1 dnl === configure.ac --------------------------------------------------------=== 2 dnl The LLVM Compiler Infrastructure 3 dnl 4 dnl This file is distributed under the University of Illinois Open Source 5 dnl License. See LICENSE.TXT for details. 6 dnl 7 dnl===-----------------------------------------------------------------------=== 8 dnl This is the LLVM configuration script. It is processed by the autoconf 9 dnl program to produce a script named configure. This script contains the 10 dnl configuration checks that LLVM needs in order to support multiple platforms. 11 dnl This file is composed of 10 sections per the recommended organization of 12 dnl autoconf input defined in the autoconf documentation. As this file evolves, 13 dnl please keep the various types of checks within their sections. The sections 14 dnl are as follows: 15 dnl 16 dnl SECTION 1: Initialization & Setup 17 dnl SECTION 2: Architecture, target, and host checks 18 dnl SECTION 3: Command line arguments for the configure script. 19 dnl SECTION 4: Check for programs we need and that they are the right version 20 dnl SECTION 5: Check for libraries 21 dnl SECTION 6: Check for header files 22 dnl SECTION 7: Check for types and structures 23 dnl SECTION 8: Check for specific functions needed 24 dnl SECTION 9: Additional checks, variables, etc. 25 dnl SECTION 10: Specify the output files and generate it 26 dnl 27 dnl===-----------------------------------------------------------------------=== 28 dnl=== 29 dnl=== SECTION 1: Initialization & Setup 30 dnl=== 31 dnl===-----------------------------------------------------------------------=== 32 dnl Initialize autoconf and define the package name, version number and 33 dnl address for reporting bugs. 34 35 AC_INIT([LLVM],[3.5.0svn],[http://llvm.org/bugs/]) 36 37 LLVM_VERSION_MAJOR=3 38 LLVM_VERSION_MINOR=5 39 LLVM_VERSION_PATCH=0 40 LLVM_VERSION_SUFFIX=svn 41 42 AC_DEFINE_UNQUOTED([LLVM_VERSION_MAJOR], $LLVM_VERSION_MAJOR, [Major version of the LLVM API]) 43 AC_DEFINE_UNQUOTED([LLVM_VERSION_MINOR], $LLVM_VERSION_MINOR, [Minor version of the LLVM API]) 44 AC_DEFINE_UNQUOTED([LLVM_VERSION_PATCH], $LLVM_VERSION_PATCH, [Patch version of the LLVM API]) 45 46 AC_SUBST([LLVM_VERSION_MAJOR]) 47 AC_SUBST([LLVM_VERSION_MINOR]) 48 AC_SUBST([LLVM_VERSION_PATCH]) 49 AC_SUBST([LLVM_VERSION_SUFFIX]) 50 51 dnl Provide a copyright substitution and ensure the copyright notice is included 52 dnl in the output of --version option of the generated configure script. 53 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign."]) 54 AC_COPYRIGHT([Copyright (c) 2003-2014 University of Illinois at Urbana-Champaign.]) 55 56 dnl Indicate that we require autoconf 2.60 or later. 57 AC_PREREQ(2.60) 58 59 dnl Verify that the source directory is valid. This makes sure that we are 60 dnl configuring LLVM and not some other package (it validates --srcdir argument) 61 AC_CONFIG_SRCDIR([lib/IR/Module.cpp]) 62 63 dnl Place all of the extra autoconf files into the config subdirectory. Tell 64 dnl various tools where the m4 autoconf macros are. 65 AC_CONFIG_AUX_DIR([autoconf]) 66 67 dnl Quit if the source directory has already been configured. 68 dnl NOTE: This relies upon undocumented autoconf behavior. 69 if test ${srcdir} != "." ; then 70 if test -f ${srcdir}/include/llvm/Config/config.h ; then 71 AC_MSG_ERROR([Already configured in ${srcdir}]) 72 fi 73 fi 74 75 dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS, 76 dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc). 77 : ${CFLAGS=} 78 : ${CXXFLAGS=} 79 80 dnl We need to check for the compiler up here to avoid anything else 81 dnl starting with a different one. 82 AC_PROG_CC(clang gcc) 83 AC_PROG_CXX(clang++ g++) 84 AC_PROG_CPP 85 86 dnl If CXX is Clang, check that it can find and parse C++ standard library 87 dnl headers. 88 if test "$CXX" = "clang++" ; then 89 AC_MSG_CHECKING([whether clang works]) 90 AC_LANG_PUSH([C++]) 91 dnl Note that space between 'include' and '(' is required. There's a broken 92 dnl regex in aclocal that otherwise will think that we call m4's include 93 dnl builtin. 94 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits> 95 #if __has_include (<cxxabi.h>) 96 #include <cxxabi.h> 97 #endif 98 #if __has_include (<unwind.h>) 99 #include <unwind.h> 100 #endif 101 ]])], 102 [ 103 AC_MSG_RESULT([yes]) 104 ], 105 [ 106 AC_MSG_RESULT([no]) 107 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...]) 108 ]) 109 AC_LANG_POP([C++]) 110 fi 111 112 dnl Set up variables that track whether the host compiler is GCC or Clang where 113 dnl we can effectively sanity check them. We don't try to sanity check all the 114 dnl other possible compilers. 115 AC_MSG_CHECKING([whether GCC or Clang is our host compiler]) 116 AC_LANG_PUSH([C++]) 117 llvm_cv_cxx_compiler=unknown 118 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__ 119 #error 120 #endif 121 ]])], 122 llvm_cv_cxx_compiler=clang, 123 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__ 124 #error 125 #endif 126 ]])], 127 llvm_cv_cxx_compiler=gcc, [])]) 128 AC_LANG_POP([C++]) 129 AC_MSG_RESULT([${llvm_cv_cxx_compiler}]) 130 131 dnl Configure all of the projects present in our source tree. While we could 132 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 133 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 134 dnl Instead we match on the known projects. 135 136 dnl 137 dnl One tricky part of doing this is that some projects depend upon other 138 dnl projects. For example, several projects rely upon the LLVM test suite. 139 dnl We want to configure those projects first so that their object trees are 140 dnl created before running the configure scripts of projects that depend upon 141 dnl them. 142 dnl 143 144 dnl Several projects use the LLVM test suite, so configure it next. 145 if test -d ${srcdir}/projects/test-suite ; then 146 AC_CONFIG_SUBDIRS([projects/test-suite]) 147 fi 148 149 dnl llvm-test is the old name of the test-suite, kept here for backwards 150 dnl compatibility 151 if test -d ${srcdir}/projects/llvm-test ; then 152 AC_CONFIG_SUBDIRS([projects/llvm-test]) 153 fi 154 155 dnl Some projects use poolalloc; configure that next 156 if test -d ${srcdir}/projects/poolalloc ; then 157 AC_CONFIG_SUBDIRS([projects/poolalloc]) 158 fi 159 160 if test -d ${srcdir}/projects/llvm-poolalloc ; then 161 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 162 fi 163 164 dnl Check for all other projects 165 for i in `ls ${srcdir}/projects` 166 do 167 if test -d ${srcdir}/projects/${i} ; then 168 case ${i} in 169 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 170 compiler-rt) ;; 171 test-suite) ;; 172 llvm-test) ;; 173 poolalloc) ;; 174 llvm-poolalloc) ;; 175 *) 176 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 177 ;; 178 esac 179 fi 180 done 181 182 dnl Disable the build of polly, even if it is checked out into tools/polly. 183 AC_ARG_ENABLE(polly, 184 AS_HELP_STRING([--enable-polly], 185 [Use polly if available (default is YES)]),, 186 enableval=default) 187 case "$enableval" in 188 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 189 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 190 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 191 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 192 esac 193 194 195 dnl Check if polly is checked out into tools/polly and configure it if 196 dnl available. 197 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 198 AC_SUBST(LLVM_HAS_POLLY,1) 199 AC_CONFIG_SUBDIRS([tools/polly]) 200 fi 201 202 dnl===-----------------------------------------------------------------------=== 203 dnl=== 204 dnl=== SECTION 2: Architecture, target, and host checks 205 dnl=== 206 dnl===-----------------------------------------------------------------------=== 207 208 dnl Check the target for which we're compiling and the host that will do the 209 dnl compilations. This will tell us which LLVM compiler will be used for 210 dnl compiling SSA into object code. This needs to be done early because 211 dnl following tests depend on it. 212 AC_CANONICAL_TARGET 213 214 dnl Determine the platform type and cache its value. This helps us configure 215 dnl the System library to the correct build platform. 216 AC_CACHE_CHECK([type of operating system we're going to host on], 217 [llvm_cv_os_type], 218 [case $host in 219 *-*-aix*) 220 llvm_cv_link_all_option="-Wl,--whole-archive" 221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 222 llvm_cv_os_type="AIX" 223 llvm_cv_platform_type="Unix" ;; 224 *-*-irix*) 225 llvm_cv_link_all_option="-Wl,--whole-archive" 226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 227 llvm_cv_os_type="IRIX" 228 llvm_cv_platform_type="Unix" ;; 229 *-*-cygwin*) 230 llvm_cv_link_all_option="-Wl,--whole-archive" 231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 232 llvm_cv_os_type="Cygwin" 233 llvm_cv_platform_type="Unix" ;; 234 *-*-darwin*) 235 llvm_cv_link_all_option="-Wl,-all_load" 236 llvm_cv_no_link_all_option="-Wl,-noall_load" 237 llvm_cv_os_type="Darwin" 238 llvm_cv_platform_type="Unix" ;; 239 *-*-minix*) 240 llvm_cv_link_all_option="-Wl,-all_load" 241 llvm_cv_no_link_all_option="-Wl,-noall_load" 242 llvm_cv_os_type="Minix" 243 llvm_cv_platform_type="Unix" ;; 244 *-*-freebsd*) 245 llvm_cv_link_all_option="-Wl,--whole-archive" 246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 247 llvm_cv_os_type="FreeBSD" 248 llvm_cv_platform_type="Unix" ;; 249 *-*-kfreebsd-gnu) 250 llvm_cv_link_all_option="-Wl,--whole-archive" 251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 252 llvm_cv_os_type="GNU/kFreeBSD" 253 llvm_cv_platform_type="Unix" ;; 254 *-*-openbsd*) 255 llvm_cv_link_all_option="-Wl,--whole-archive" 256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 257 llvm_cv_os_type="OpenBSD" 258 llvm_cv_platform_type="Unix" ;; 259 *-*-netbsd*) 260 llvm_cv_link_all_option="-Wl,--whole-archive" 261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 262 llvm_cv_os_type="NetBSD" 263 llvm_cv_platform_type="Unix" ;; 264 *-*-dragonfly*) 265 llvm_cv_link_all_option="-Wl,--whole-archive" 266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 267 llvm_cv_os_type="DragonFly" 268 llvm_cv_platform_type="Unix" ;; 269 *-*-hpux*) 270 llvm_cv_link_all_option="-Wl,--whole-archive" 271 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 272 llvm_cv_os_type="HP-UX" 273 llvm_cv_platform_type="Unix" ;; 274 *-*-interix*) 275 llvm_cv_link_all_option="-Wl,--whole-archive" 276 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 277 llvm_cv_os_type="Interix" 278 llvm_cv_platform_type="Unix" ;; 279 *-*-linux*) 280 llvm_cv_link_all_option="-Wl,--whole-archive" 281 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 282 llvm_cv_os_type="Linux" 283 llvm_cv_platform_type="Unix" ;; 284 *-*-gnu*) 285 llvm_cv_link_all_option="-Wl,--whole-archive" 286 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 287 llvm_cv_os_type="GNU" 288 llvm_cv_platform_type="Unix" ;; 289 *-*-solaris*) 290 llvm_cv_link_all_option="-Wl,-z,allextract" 291 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 292 llvm_cv_os_type="SunOS" 293 llvm_cv_platform_type="Unix" ;; 294 *-*-auroraux*) 295 llvm_cv_link_all_option="-Wl,-z,allextract" 296 llvm_cv_link_all_option="-Wl,-z,defaultextract" 297 llvm_cv_os_type="AuroraUX" 298 llvm_cv_platform_type="Unix" ;; 299 *-*-win32*) 300 llvm_cv_link_all_option="-Wl,--whole-archive" 301 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 302 llvm_cv_os_type="Win32" 303 llvm_cv_platform_type="Win32" ;; 304 *-*-mingw*) 305 llvm_cv_link_all_option="-Wl,--whole-archive" 306 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 307 llvm_cv_os_type="MingW" 308 llvm_cv_platform_type="Win32" ;; 309 *-*-haiku*) 310 llvm_cv_link_all_option="-Wl,--whole-archive" 311 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 312 llvm_cv_os_type="Haiku" 313 llvm_cv_platform_type="Unix" ;; 314 *-unknown-eabi*) 315 llvm_cv_link_all_option="-Wl,--whole-archive" 316 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 317 llvm_cv_os_type="Freestanding" 318 llvm_cv_platform_type="Unix" ;; 319 *-unknown-elf*) 320 llvm_cv_link_all_option="-Wl,--whole-archive" 321 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 322 llvm_cv_os_type="Freestanding" 323 llvm_cv_platform_type="Unix" ;; 324 *) 325 llvm_cv_link_all_option="" 326 llvm_cv_no_link_all_option="" 327 llvm_cv_os_type="Unknown" 328 llvm_cv_platform_type="Unknown" ;; 329 esac]) 330 331 AC_CACHE_CHECK([type of operating system we're going to target], 332 [llvm_cv_target_os_type], 333 [case $target in 334 *-*-aix*) 335 llvm_cv_target_os_type="AIX" ;; 336 *-*-irix*) 337 llvm_cv_target_os_type="IRIX" ;; 338 *-*-cygwin*) 339 llvm_cv_target_os_type="Cygwin" ;; 340 *-*-darwin*) 341 llvm_cv_target_os_type="Darwin" ;; 342 *-*-minix*) 343 llvm_cv_target_os_type="Minix" ;; 344 *-*-freebsd*) 345 llvm_cv_target_os_type="FreeBSD" ;; 346 *-*-kfreebsd-gnu) 347 llvm_cv_target_os_type="GNU/kFreeBSD" ;; 348 *-*-openbsd*) 349 llvm_cv_target_os_type="OpenBSD" ;; 350 *-*-netbsd*) 351 llvm_cv_target_os_type="NetBSD" ;; 352 *-*-dragonfly*) 353 llvm_cv_target_os_type="DragonFly" ;; 354 *-*-hpux*) 355 llvm_cv_target_os_type="HP-UX" ;; 356 *-*-interix*) 357 llvm_cv_target_os_type="Interix" ;; 358 *-*-linux*) 359 llvm_cv_target_os_type="Linux" ;; 360 *-*-gnu*) 361 llvm_cv_target_os_type="GNU" ;; 362 *-*-solaris*) 363 llvm_cv_target_os_type="SunOS" ;; 364 *-*-auroraux*) 365 llvm_cv_target_os_type="AuroraUX" ;; 366 *-*-win32*) 367 llvm_cv_target_os_type="Win32" ;; 368 *-*-mingw*) 369 llvm_cv_target_os_type="MingW" ;; 370 *-*-haiku*) 371 llvm_cv_target_os_type="Haiku" ;; 372 *-*-rtems*) 373 llvm_cv_target_os_type="RTEMS" ;; 374 *-*-nacl*) 375 llvm_cv_target_os_type="NativeClient" ;; 376 *-unknown-eabi*) 377 llvm_cv_target_os_type="Freestanding" ;; 378 *) 379 llvm_cv_target_os_type="Unknown" ;; 380 esac]) 381 382 dnl Make sure we aren't attempting to configure for an unknown system 383 if test "$llvm_cv_os_type" = "Unknown" ; then 384 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 385 fi 386 387 dnl Set the "OS" Makefile variable based on the platform type so the 388 dnl makefile can configure itself to specific build hosts 389 AC_SUBST(OS,$llvm_cv_os_type) 390 AC_SUBST(HOST_OS,$llvm_cv_os_type) 391 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 392 393 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 394 AC_SUBST(LINKALL,$llvm_cv_link_all_option) 395 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 396 397 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 398 dnl This is used by lib/Support to determine the basic kind of implementation 399 dnl to use. 400 case $llvm_cv_platform_type in 401 Unix) 402 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 403 AC_SUBST(LLVM_ON_UNIX,[1]) 404 AC_SUBST(LLVM_ON_WIN32,[0]) 405 ;; 406 Win32) 407 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 408 AC_SUBST(LLVM_ON_UNIX,[0]) 409 AC_SUBST(LLVM_ON_WIN32,[1]) 410 ;; 411 esac 412 413 dnl Determine what our target architecture is and configure accordingly. 414 dnl This will allow Makefiles to make a distinction between the hardware and 415 dnl the OS. 416 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 417 [case $target in 418 i?86-*) llvm_cv_target_arch="x86" ;; 419 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 420 sparc*-*) llvm_cv_target_arch="Sparc" ;; 421 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 422 arm64*-*) llvm_cv_target_arch="AArch64" ;; 423 arm*-*) llvm_cv_target_arch="ARM" ;; 424 aarch64*-*) llvm_cv_target_arch="AArch64" ;; 425 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;; 426 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;; 427 xcore-*) llvm_cv_target_arch="XCore" ;; 428 msp430-*) llvm_cv_target_arch="MSP430" ;; 429 hexagon-*) llvm_cv_target_arch="Hexagon" ;; 430 nvptx-*) llvm_cv_target_arch="NVPTX" ;; 431 s390x-*) llvm_cv_target_arch="SystemZ" ;; 432 *) llvm_cv_target_arch="Unknown" ;; 433 esac]) 434 435 if test "$llvm_cv_target_arch" = "Unknown" ; then 436 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 437 fi 438 439 dnl Determine the LLVM native architecture for the target 440 case "$llvm_cv_target_arch" in 441 x86) LLVM_NATIVE_ARCH="X86" ;; 442 x86_64) LLVM_NATIVE_ARCH="X86" ;; 443 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 444 esac 445 446 dnl Define a substitution, ARCH, for the target architecture 447 AC_SUBST(ARCH,$llvm_cv_target_arch) 448 AC_SUBST(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH) 449 450 dnl Determine what our host architecture. 451 dnl This will allow MCJIT regress tests runs only for supported 452 dnl platforms. 453 case $host in 454 i?86-*) host_arch="x86" ;; 455 amd64-* | x86_64-*) host_arch="x86_64" ;; 456 sparc*-*) host_arch="Sparc" ;; 457 powerpc*-*) host_arch="PowerPC" ;; 458 arm64*-*) host_arch="AArch64" ;; 459 arm*-*) host_arch="ARM" ;; 460 aarch64*-*) host_arch="AArch64" ;; 461 mips-* | mips64-*) host_arch="Mips" ;; 462 mipsel-* | mips64el-*) host_arch="Mips" ;; 463 xcore-*) host_arch="XCore" ;; 464 msp430-*) host_arch="MSP430" ;; 465 hexagon-*) host_arch="Hexagon" ;; 466 s390x-*) host_arch="SystemZ" ;; 467 *) host_arch="Unknown" ;; 468 esac 469 470 if test "$host_arch" = "Unknown" ; then 471 AC_MSG_WARN([Configuring LLVM for an unknown host archicture]) 472 fi 473 474 AC_SUBST(HOST_ARCH,$host_arch) 475 476 dnl Check for build platform executable suffix if we're cross-compiling 477 if test "$cross_compiling" = yes; then 478 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 479 AC_BUILD_EXEEXT 480 ac_build_prefix=${build_alias}- 481 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 482 if test -z "$BUILD_CXX"; then 483 AC_CHECK_PROG(BUILD_CXX, g++, g++) 484 if test -z "$BUILD_CXX"; then 485 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 486 fi 487 fi 488 else 489 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 490 fi 491 492 dnl Check to see if there's a .svn or .git directory indicating that this 493 dnl build is being done from a checkout. This sets up several defaults for 494 dnl the command line switches. When we build with a checkout directory, 495 dnl we get a debug with assertions turned on. Without, we assume a source 496 dnl release and we get an optimized build without assertions. 497 dnl See --enable-optimized and --enable-assertions below 498 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 499 cvsbuild="yes" 500 optimize="no" 501 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 502 else 503 cvsbuild="no" 504 optimize="yes" 505 fi 506 507 dnl===-----------------------------------------------------------------------=== 508 dnl=== 509 dnl=== SECTION 3: Command line arguments for the configure script. 510 dnl=== 511 dnl===-----------------------------------------------------------------------=== 512 513 dnl --enable-libcpp : check whether or not to use libc++ on the command line 514 AC_ARG_ENABLE(libcpp, 515 AS_HELP_STRING([--enable-libcpp], 516 [Use libc++ if available (default is NO)]),, 517 enableval=default) 518 case "$enableval" in 519 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; 520 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; 521 default) AC_SUBST(ENABLE_LIBCPP,[0]);; 522 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; 523 esac 524 525 dnl Check both GCC and Clang for sufficiently modern versions. These checks can 526 dnl be bypassed by passing a flag if necessary on a platform. We have to do 527 dnl these checks here so that we have the configuration of the standard C++ 528 dnl library finished. 529 AC_ARG_ENABLE(compiler-version-checks, 530 AS_HELP_STRING([--enable-compiler-version-checks], 531 [Check the version of the host compiler (default is YES)]),, 532 enableval=default) 533 case "$enableval" in 534 no) 535 ;; 536 yes|default) 537 AC_LANG_PUSH([C++]) 538 case "$llvm_cv_cxx_compiler" in 539 clang) 540 AC_MSG_CHECKING([whether Clang is new enough]) 541 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ 542 #if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1) 543 #error This version of Clang is too old to build LLVM 544 #endif 545 ]])], 546 [AC_MSG_RESULT([yes])], 547 [AC_MSG_RESULT([no]) 548 AC_MSG_ERROR([ 549 The selected Clang compiler is not new enough to build LLVM. Please upgrade to 550 Clang 3.1. You may pass --disable-compiler-version-checks to configure to 551 bypass these sanity checks.])]) 552 553 dnl Note that libstdc++4.6 is known broken for C++11 builds. The errors 554 dnl are sometimes deeply confusing though. Here we test for an obvious 555 dnl incomplete feature in 4.6's standard library that was completed in 556 dnl 4.7's. We also have to disable this test if 'ENABLE_LIBCPP' is set 557 dnl because the enable flags don't actually fix CXXFLAGS, they rely on 558 dnl that happening in the Makefile. 559 if test "$ENABLE_LIBCPP" -eq 0 ; then 560 AC_MSG_CHECKING([whether Clang will select a modern C++ standard library]) 561 llvm_cv_old_cxxflags="$CXXFLAGS" 562 CXXFLAGS="$CXXFLAGS -std=c++0x" 563 AC_LINK_IFELSE([AC_LANG_SOURCE([[ 564 #include <atomic> 565 std::atomic<float> x(0.0f); 566 int main() { return (float)x; } 567 ]])], 568 [AC_MSG_RESULT([yes])], 569 [AC_MSG_RESULT([no]) 570 AC_MSG_ERROR([ 571 We detected a missing feature in the standard C++ library that was known to be 572 missing in libstdc++4.6 and implemented in libstdc++4.7. There are numerous 573 C++11 problems with 4.6's library, and we don't support GCCs or libstdc++ older 574 than 4.7. You will need to update your system and ensure Clang uses the newer 575 standard library. 576 577 If this error is incorrect or you need to force things to work, you may pass 578 '--disable-compiler-version-checks' to configure to bypass this test.])]) 579 CXXFLAGS="$llvm_cv_old_cxxflags" 580 fi 581 ;; 582 gcc) 583 AC_MSG_CHECKING([whether GCC is new enough]) 584 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ 585 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) 586 #error This version of GCC is too old to build LLVM 587 #endif 588 ]])], 589 [AC_MSG_RESULT([yes])], 590 [AC_MSG_RESULT([no]) 591 AC_MSG_ERROR([ 592 The selected GCC C++ compiler is not new enough to build LLVM. Please upgrade 593 to GCC 4.7. You may pass --disable-compiler-version-checks to configure to 594 bypass these sanity checks.])]) 595 ;; 596 unknown) 597 ;; 598 esac 599 AC_LANG_POP([C++]) 600 ;; 601 *) 602 AC_MSG_ERROR([Invalid setting for --enable-compiler-version-checks. Use "yes" or "no"]) 603 ;; 604 esac 605 606 dnl --enable-cxx1y : check whether or not to use -std=c++1y on the command line 607 AC_ARG_ENABLE(cxx1y, 608 AS_HELP_STRING([--enable-cxx1y], 609 [Use c++1y if available (default is NO)]),, 610 enableval=default) 611 case "$enableval" in 612 yes) AC_SUBST(ENABLE_CXX1Y,[1]) ;; 613 no) AC_SUBST(ENABLE_CXX1Y,[0]) ;; 614 default) AC_SUBST(ENABLE_CXX1Y,[0]);; 615 *) AC_MSG_ERROR([Invalid setting for --enable-cxx1y. Use "yes" or "no"]) ;; 616 esac 617 618 dnl --enable-split-dwarf : check whether or not to use -gsplit-dwarf on the command 619 dnl line 620 AC_ARG_ENABLE(split-dwarf, 621 AS_HELP_STRING([--enable-split-dwarf], 622 [Use split-dwarf if available (default is NO)]),, 623 enableval=default) 624 case "$enableval" in 625 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;; 626 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;; 627 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);; 628 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;; 629 esac 630 631 dnl --enable-clang-arcmt: check whether to enable clang arcmt 632 clang_arcmt="yes" 633 AC_ARG_ENABLE(clang-arcmt, 634 AS_HELP_STRING([--enable-clang-arcmt], 635 [Enable building of clang ARCMT (default is YES)]), 636 clang_arcmt="$enableval", 637 enableval="yes") 638 case "$enableval" in 639 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;; 640 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;; 641 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);; 642 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;; 643 esac 644 645 dnl --enable-clang-plugin-support: check whether to enable plugins in clang 646 clang_plugin_support="yes" 647 AC_ARG_ENABLE(clang-plugin-support, 648 AS_HELP_STRING([--enable-clang-plugin-support], 649 [Enable plugin support in clang (default is YES)]), 650 clang_plugin_support="$enableval", 651 enableval="yes") 652 case "$enableval" in 653 yes) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]) ;; 654 no) AC_SUBST(CLANG_PLUGIN_SUPPORT,[0]) ;; 655 default) AC_SUBST(CLANG_PLUGIN_SUPPORT,[1]);; 656 *) AC_MSG_ERROR([Invalid setting for --enable-clang-plugin-support. Use "yes" or "no"]) ;; 657 esac 658 659 dnl --enable-clang-static-analyzer: check whether to enable static-analyzer 660 clang_static_analyzer="yes" 661 AC_ARG_ENABLE(clang-static-analyzer, 662 AS_HELP_STRING([--enable-clang-static-analyzer], 663 [Enable building of clang Static Analyzer (default is YES)]), 664 clang_static_analyzer="$enableval", 665 enableval="yes") 666 case "$enableval" in 667 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;; 668 no) 669 if test ${clang_arcmt} != "no" ; then 670 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling static analyzer.]) 671 fi 672 AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) 673 ;; 674 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);; 675 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;; 676 esac 677 678 dnl --enable-clang-rewriter: check whether to enable clang rewriter 679 AC_ARG_ENABLE(clang-rewriter, 680 AS_HELP_STRING([--enable-clang-rewriter], 681 [Enable building of clang rewriter (default is YES)]),, 682 enableval="yes") 683 case "$enableval" in 684 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;; 685 no) 686 if test ${clang_arcmt} != "no" ; then 687 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.]) 688 fi 689 if test ${clang_static_analyzer} != "no" ; then 690 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.]) 691 fi 692 AC_SUBST(ENABLE_CLANG_REWRITER,[0]) 693 ;; 694 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);; 695 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;; 696 esac 697 698 dnl --enable-optimized : check whether they want to do an optimized build: 699 AC_ARG_ENABLE(optimized, AS_HELP_STRING( 700 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 701 if test ${enableval} = "no" ; then 702 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 703 else 704 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 705 fi 706 707 dnl --enable-profiling : check whether they want to do a profile build: 708 AC_ARG_ENABLE(profiling, AS_HELP_STRING( 709 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 710 if test ${enableval} = "no" ; then 711 AC_SUBST(ENABLE_PROFILING,[[]]) 712 else 713 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 714 fi 715 716 dnl --enable-assertions : check whether they want to turn on assertions or not: 717 AC_ARG_ENABLE(assertions,AS_HELP_STRING( 718 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 719 if test ${enableval} = "yes" ; then 720 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 721 else 722 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 723 fi 724 725 dnl --enable-werror : check whether we want Werror on by default 726 AC_ARG_ENABLE(werror,AS_HELP_STRING( 727 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no") 728 case "$enableval" in 729 yes) AC_SUBST(ENABLE_WERROR,[1]) ;; 730 no) AC_SUBST(ENABLE_WERROR,[0]) ;; 731 default) AC_SUBST(ENABLE_WERROR,[0]);; 732 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;; 733 esac 734 735 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 736 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 737 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 738 if test ${enableval} = "yes" ; then 739 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 740 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 741 else 742 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 743 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 744 fi 745 746 dnl --enable-debug-runtime : should runtime libraries have debug symbols? 747 AC_ARG_ENABLE(debug-runtime, 748 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 749 if test ${enableval} = "no" ; then 750 AC_SUBST(DEBUG_RUNTIME,[[]]) 751 else 752 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 753 fi 754 755 dnl --enable-debug-symbols : should even optimized compiler libraries 756 dnl have debug symbols? 757 AC_ARG_ENABLE(debug-symbols, 758 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no) 759 if test ${enableval} = "no" ; then 760 AC_SUBST(DEBUG_SYMBOLS,[[]]) 761 else 762 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 763 fi 764 765 dnl --enable-keep-symbols : do not strip installed executables 766 AC_ARG_ENABLE(keep-symbols, 767 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no) 768 if test ${enableval} = "no" ; then 769 AC_SUBST(KEEP_SYMBOLS,[[]]) 770 else 771 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]]) 772 fi 773 774 dnl --enable-jit: check whether they want to enable the jit 775 AC_ARG_ENABLE(jit, 776 AS_HELP_STRING(--enable-jit, 777 [Enable Just In Time Compiling (default is YES)]),, 778 enableval=default) 779 if test ${enableval} = "no" 780 then 781 AC_SUBST(JIT,[[]]) 782 else 783 case "$llvm_cv_target_arch" in 784 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 785 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 786 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 787 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 788 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 789 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 790 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 791 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 792 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; 793 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 794 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;; 795 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 796 esac 797 fi 798 799 TARGETS_WITH_JIT="ARM AArch64 Mips PowerPC SystemZ X86" 800 AC_SUBST(TARGETS_WITH_JIT,$TARGETS_WITH_JIT) 801 802 dnl Allow enablement of building and installing docs 803 AC_ARG_ENABLE(docs, 804 AS_HELP_STRING([--enable-docs], 805 [Build documents (default is YES)]),, 806 enableval=default) 807 case "$enableval" in 808 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 809 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 810 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 811 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 812 esac 813 814 dnl Allow enablement of doxygen generated documentation 815 AC_ARG_ENABLE(doxygen, 816 AS_HELP_STRING([--enable-doxygen], 817 [Build doxygen documentation (default is NO)]),, 818 enableval=default) 819 case "$enableval" in 820 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 821 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 822 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 823 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 824 esac 825 826 dnl Allow disablement of threads 827 AC_ARG_ENABLE(threads, 828 AS_HELP_STRING([--enable-threads], 829 [Use threads if available (default is YES)]),, 830 enableval=default) 831 case "$enableval" in 832 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 833 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; 834 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 835 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 836 esac 837 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS, 838 [Define if threads enabled]) 839 840 dnl Allow disablement of pthread.h 841 AC_ARG_ENABLE(pthreads, 842 AS_HELP_STRING([--enable-pthreads], 843 [Use pthreads if available (default is YES)]),, 844 enableval=default) 845 case "$enableval" in 846 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 847 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 848 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 849 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 850 esac 851 852 dnl Allow disablement of zlib 853 AC_ARG_ENABLE(zlib, 854 AS_HELP_STRING([--enable-zlib], 855 [Use zlib for compression/decompression if 856 available (default is YES)]),, 857 enableval=default) 858 case "$enableval" in 859 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; 860 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;; 861 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; 862 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;; 863 esac 864 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB, 865 [Define if zlib is enabled]) 866 867 dnl Allow building without position independent code 868 AC_ARG_ENABLE(pic, 869 AS_HELP_STRING([--enable-pic], 870 [Build LLVM with Position Independent Code (default is YES)]),, 871 enableval=default) 872 case "$enableval" in 873 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 874 no) AC_SUBST(ENABLE_PIC,[0]) ;; 875 default) AC_SUBST(ENABLE_PIC,[1]) ;; 876 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 877 esac 878 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 879 [Define if position independent code is enabled]) 880 881 dnl Allow building a shared library and linking tools against it. 882 AC_ARG_ENABLE(shared, 883 AS_HELP_STRING([--enable-shared], 884 [Build a shared library and link tools against it (default is NO)]),, 885 enableval=default) 886 case "$enableval" in 887 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 888 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 889 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 890 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 891 esac 892 893 dnl Allow libstdc++ is embedded in LLVM.dll. 894 AC_ARG_ENABLE(embed-stdcxx, 895 AS_HELP_STRING([--enable-embed-stdcxx], 896 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 897 enableval=default) 898 case "$enableval" in 899 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 900 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 901 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 902 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 903 esac 904 905 dnl Enable embedding timestamp information into build. 906 AC_ARG_ENABLE(timestamps, 907 AS_HELP_STRING([--enable-timestamps], 908 [Enable embedding timestamp information in build (default is YES)]),, 909 enableval=default) 910 case "$enableval" in 911 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 912 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 913 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 914 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 915 esac 916 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 917 [Define if timestamp information (e.g., __DATE__) is allowed]) 918 919 dnl Enable support for showing backtraces. 920 AC_ARG_ENABLE(backtraces, AS_HELP_STRING( 921 [--enable-backtraces], 922 [Enable embedding backtraces on crash (default is YES)]), 923 [case "$enableval" in 924 yes) llvm_cv_enable_backtraces="yes" ;; 925 no) llvm_cv_enable_backtraces="no" ;; 926 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;; 927 esac], 928 llvm_cv_enable_backtraces="yes") 929 if test "$llvm_cv_enable_backtraces" = "yes" ; then 930 AC_DEFINE([ENABLE_BACKTRACES],[1], 931 [Define if you want backtraces on crash]) 932 fi 933 934 dnl Enable installing platform specific signal handling overrides, for improved 935 dnl CrashRecovery support or interaction with crash reporting software. This 936 dnl support may be inappropriate for some clients embedding LLVM as a library. 937 AC_ARG_ENABLE(crash-overrides, AS_HELP_STRING( 938 [--enable-crash-overrides], 939 [Enable crash handling overrides (default is YES)]), 940 [case "$enableval" in 941 yes) llvm_cv_enable_crash_overrides="yes" ;; 942 no) llvm_cv_enable_crash_overrides="no" ;; 943 *) AC_MSG_ERROR([Invalid setting for --enable-crash-overrides. Use "yes" or "no"]) ;; 944 esac], 945 llvm_cv_enable_crash_overrides="yes") 946 if test "$llvm_cv_enable_crash_overrides" = "yes" ; then 947 AC_DEFINE([ENABLE_CRASH_OVERRIDES],[1], 948 [Define to enable crash handling overrides]) 949 fi 950 951 dnl List all possible targets 952 ALL_TARGETS="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" 953 AC_SUBST(ALL_TARGETS,$ALL_TARGETS) 954 955 dnl Allow specific targets to be specified for building (or not) 956 TARGETS_TO_BUILD="" 957 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 958 [Build specific host targets: all or target1,target2,... Valid targets are: 959 host, x86, x86_64, sparc, powerpc, arm64, arm, aarch64, mips, hexagon, 960 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),, 961 enableval=all) 962 if test "$enableval" = host-only ; then 963 enableval=host 964 fi 965 case "$enableval" in 966 all) TARGETS_TO_BUILD="$ALL_TARGETS" ;; 967 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 968 case "$a_target" in 969 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 970 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 971 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 972 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 973 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; 974 arm64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; 975 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 976 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 977 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 978 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 979 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 980 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 981 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 982 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 983 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 984 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 985 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 986 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;; 987 host) case "$llvm_cv_target_arch" in 988 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 989 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 990 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 991 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 992 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; 993 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 994 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 995 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 996 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 997 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 998 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 999 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 1000 *) AC_MSG_ERROR([Can not set target to build]) ;; 1001 esac ;; 1002 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 1003 esac 1004 done 1005 ;; 1006 esac 1007 1008 AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets], 1009 [Build experimental host targets: disable or target1,target2,... 1010 (default=disable)]),, 1011 enableval=disable) 1012 1013 if test ${enableval} != "disable" 1014 then 1015 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD" 1016 fi 1017 1018 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 1019 1020 dnl Determine whether we are building LLVM support for the native architecture. 1021 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target. 1022 for a_target in $TARGETS_TO_BUILD; do 1023 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 1024 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 1025 [LLVM architecture name for the native architecture, if available]) 1026 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 1027 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 1028 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 1029 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 1030 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 1031 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 1032 fi 1033 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 1034 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 1035 fi 1036 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 1037 [LLVM name for the native Target init function, if available]) 1038 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 1039 [LLVM name for the native TargetInfo init function, if available]) 1040 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 1041 [LLVM name for the native target MC init function, if available]) 1042 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 1043 [LLVM name for the native AsmPrinter init function, if available]) 1044 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 1045 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 1046 [LLVM name for the native AsmParser init function, if available]) 1047 fi 1048 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 1049 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, 1050 [LLVM name for the native Disassembler init function, if available]) 1051 fi 1052 fi 1053 done 1054 1055 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 1056 dnl target feature def files. 1057 LLVM_ENUM_TARGETS="" 1058 LLVM_ENUM_ASM_PRINTERS="" 1059 LLVM_ENUM_ASM_PARSERS="" 1060 LLVM_ENUM_DISASSEMBLERS="" 1061 for target_to_build in $TARGETS_TO_BUILD; do 1062 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 1063 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 1064 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 1065 fi 1066 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 1067 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 1068 fi 1069 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 1070 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 1071 fi 1072 done 1073 AC_SUBST(LLVM_ENUM_TARGETS) 1074 AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 1075 AC_SUBST(LLVM_ENUM_ASM_PARSERS) 1076 AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 1077 1078 dnl Override the option to use for optimized builds. 1079 AC_ARG_WITH(optimize-option, 1080 AS_HELP_STRING([--with-optimize-option], 1081 [Select the compiler options to use for optimized builds]),, 1082 withval=default) 1083 AC_MSG_CHECKING([optimization flags]) 1084 case "$withval" in 1085 default) 1086 case "$llvm_cv_os_type" in 1087 FreeBSD) optimize_option=-O2 ;; 1088 MingW) optimize_option=-O2 ;; 1089 *) optimize_option=-O3 ;; 1090 esac ;; 1091 *) optimize_option="$withval" ;; 1092 esac 1093 AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 1094 AC_MSG_RESULT([$optimize_option]) 1095 1096 dnl Specify extra build options 1097 AC_ARG_WITH(extra-options, 1098 AS_HELP_STRING([--with-extra-options], 1099 [Specify additional options to compile LLVM with]),, 1100 withval=default) 1101 case "$withval" in 1102 default) EXTRA_OPTIONS= ;; 1103 *) EXTRA_OPTIONS=$withval ;; 1104 esac 1105 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 1106 1107 dnl Specify extra linker build options 1108 AC_ARG_WITH(extra-ld-options, 1109 AS_HELP_STRING([--with-extra-ld-options], 1110 [Specify additional options to link LLVM with]),, 1111 withval=default) 1112 case "$withval" in 1113 default) EXTRA_LD_OPTIONS= ;; 1114 *) EXTRA_LD_OPTIONS=$withval ;; 1115 esac 1116 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 1117 1118 dnl Allow specific bindings to be specified for building (or not) 1119 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 1120 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 1121 enableval=default) 1122 BINDINGS_TO_BUILD="" 1123 case "$enableval" in 1124 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 1125 all ) BINDINGS_TO_BUILD="ocaml" ;; 1126 none | no) BINDINGS_TO_BUILD="" ;; 1127 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 1128 case "$a_binding" in 1129 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 1130 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 1131 esac 1132 done 1133 ;; 1134 esac 1135 1136 dnl Allow the ocaml libdir to be overridden. This could go in a configure 1137 dnl script for bindings/ocaml/configure, except that its auto value depends on 1138 dnl OCAMLC, which is found here to support tests. 1139 AC_ARG_WITH([ocaml-libdir], 1140 [AS_HELP_STRING([--with-ocaml-libdir], 1141 [Specify install location for ocaml bindings (default is stdlib)])], 1142 [], 1143 [withval=auto]) 1144 case "$withval" in 1145 auto) with_ocaml_libdir="$withval" ;; 1146 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 1147 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 1148 esac 1149 1150 AC_ARG_WITH(clang-srcdir, 1151 AS_HELP_STRING([--with-clang-srcdir], 1152 [Directory to the out-of-tree Clang source]),, 1153 withval="-") 1154 case "$withval" in 1155 -) clang_src_root="" ;; 1156 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 1157 *) clang_src_root="$ac_pwd/$withval" ;; 1158 esac 1159 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 1160 1161 AC_ARG_WITH(clang-resource-dir, 1162 AS_HELP_STRING([--with-clang-resource-dir], 1163 [Relative directory from the Clang binary for resource files]),, 1164 withval="") 1165 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 1166 [Relative directory for resource files]) 1167 1168 AC_ARG_WITH(c-include-dirs, 1169 AS_HELP_STRING([--with-c-include-dirs], 1170 [Colon separated list of directories clang will search for headers]),, 1171 withval="") 1172 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 1173 [Directories clang will search for headers]) 1174 1175 # Clang normally uses the system c++ headers and libraries. With this option, 1176 # clang will use the ones provided by a gcc installation instead. This option should 1177 # be passed the same value that was used with --prefix when configuring gcc. 1178 AC_ARG_WITH(gcc-toolchain, 1179 AS_HELP_STRING([--with-gcc-toolchain], 1180 [Directory where gcc is installed.]),, 1181 withval="") 1182 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", 1183 [Directory where gcc is installed.]) 1184 1185 AC_ARG_WITH(default-sysroot, 1186 AS_HELP_STRING([--with-default-sysroot], 1187 [Add --sysroot=<path> to all compiler invocations.]),, 1188 withval="") 1189 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", 1190 [Default <path> to all compiler invocations for --sysroot=<path>.]) 1191 1192 dnl Allow linking of LLVM with GPLv3 binutils code. 1193 AC_ARG_WITH(binutils-include, 1194 AS_HELP_STRING([--with-binutils-include], 1195 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 1196 withval=default) 1197 case "$withval" in 1198 default) WITH_BINUTILS_INCDIR=default ;; 1199 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 1200 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 1201 esac 1202 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 1203 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 1204 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 1205 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 1206 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 1207 fi 1208 fi 1209 1210 dnl Specify the URL where bug reports should be submitted. 1211 AC_ARG_WITH(bug-report-url, 1212 AS_HELP_STRING([--with-bug-report-url], 1213 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 1214 withval="http://llvm.org/bugs/") 1215 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 1216 [Bug report URL.]) 1217 1218 dnl --enable-terminfo: check whether the user wants to control use of terminfo: 1219 AC_ARG_ENABLE(terminfo,AS_HELP_STRING( 1220 [--enable-terminfo], 1221 [Query the terminfo database if available (default is YES)]), 1222 [case "$enableval" in 1223 yes) llvm_cv_enable_terminfo="yes" ;; 1224 no) llvm_cv_enable_terminfo="no" ;; 1225 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;; 1226 esac], 1227 llvm_cv_enable_terminfo="yes") 1228 case "$llvm_cv_enable_terminfo" in 1229 yes) AC_SUBST(ENABLE_TERMINFO,[1]) ;; 1230 no) AC_SUBST(ENABLE_TERMINFO,[0]) ;; 1231 esac 1232 1233 dnl --enable-libedit: check whether the user wants to turn off libedit. 1234 AC_ARG_ENABLE(libedit,AS_HELP_STRING( 1235 [--enable-libedit], 1236 [Use libedit if available (default is YES)]), 1237 [case "$enableval" in 1238 yes) llvm_cv_enable_libedit="yes" ;; 1239 no) llvm_cv_enable_libedit="no" ;; 1240 *) AC_MSG_ERROR([Invalid setting for --enable-libedit. Use "yes" or "no"]) ;; 1241 esac], 1242 llvm_cv_enable_libedit="yes") 1243 1244 dnl --enable-libffi : check whether the user wants to turn off libffi: 1245 AC_ARG_ENABLE(libffi,AS_HELP_STRING( 1246 --enable-libffi,[Check for the presence of libffi (default is NO)]), 1247 [case "$enableval" in 1248 yes) llvm_cv_enable_libffi="yes" ;; 1249 no) llvm_cv_enable_libffi="no" ;; 1250 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 1251 esac], 1252 llvm_cv_enable_libffi=no) 1253 1254 AC_ARG_WITH(internal-prefix, 1255 AS_HELP_STRING([--with-internal-prefix], 1256 [Installation directory for internal files]),, 1257 withval="") 1258 AC_SUBST(INTERNAL_PREFIX,[$withval]) 1259 1260 dnl===-----------------------------------------------------------------------=== 1261 dnl=== 1262 dnl=== SECTION 4: Check for programs we need and that they are the right version 1263 dnl=== 1264 dnl===-----------------------------------------------------------------------=== 1265 1266 dnl Check for the tools that the makefiles require 1267 AC_CHECK_GNU_MAKE 1268 AC_PROG_LN_S 1269 AC_PATH_PROG(NM, [nm], [nm]) 1270 AC_PATH_PROG(CMP, [cmp], [cmp]) 1271 AC_PATH_PROG(CP, [cp], [cp]) 1272 AC_PATH_PROG(DATE, [date], [date]) 1273 AC_PATH_PROG(FIND, [find], [find]) 1274 AC_PATH_PROG(GREP, [grep], [grep]) 1275 AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 1276 AC_PATH_PROG(MV, [mv], [mv]) 1277 AC_PROG_RANLIB 1278 AC_CHECK_TOOL(AR, ar, false) 1279 AC_PATH_PROG(RM, [rm], [rm]) 1280 AC_PATH_PROG(SED, [sed], [sed]) 1281 AC_PATH_PROG(TAR, [tar], [gtar]) 1282 AC_PATH_PROG(BINPWD,[pwd], [pwd]) 1283 1284 dnl Looking for misc. graph plotting software 1285 AC_PATH_PROG(DOT, [dot], [echo dot]) 1286 if test "$DOT" != "echo dot" ; then 1287 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 1288 dnl If we're targeting for mingw we should emit windows paths, not msys 1289 if test "$llvm_cv_os_type" = "MingW" ; then 1290 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1291 fi 1292 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 1293 [Define to path to dot program if found or 'echo dot' otherwise]) 1294 fi 1295 1296 dnl Find the install program 1297 AC_PROG_INSTALL 1298 dnl Prepend src dir to install path dir if it's a relative path 1299 dnl This is a hack for installs that take place in something other 1300 dnl than the top level. 1301 case "$INSTALL" in 1302 [[\\/$]]* | ?:[[\\/]]* ) ;; 1303 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1304 esac 1305 1306 dnl Checks for documentation and testing tools that we can do without. If these 1307 dnl are not found then they are set to "true" which always succeeds but does 1308 dnl nothing. This just lets the build output show that we could have done 1309 dnl something if the tool was available. 1310 AC_PATH_PROG(BZIP2, [bzip2]) 1311 AC_PATH_PROG(CAT, [cat]) 1312 AC_PATH_PROG(DOXYGEN, [doxygen]) 1313 AC_PATH_PROG(GROFF, [groff]) 1314 AC_PATH_PROG(GZIPBIN, [gzip]) 1315 AC_PATH_PROG(PDFROFF, [pdfroff]) 1316 AC_PATH_PROG(ZIP, [zip]) 1317 AC_PATH_PROGS(OCAMLC, [ocamlc]) 1318 AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1319 AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1320 AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1321 AC_PATH_PROGS(GAS, [gas as]) 1322 1323 dnl Get the version of the linker in use. 1324 AC_LINK_GET_VERSION 1325 1326 dnl Determine whether the linker supports the -R option. 1327 AC_LINK_USE_R 1328 1329 dnl Determine whether the compiler supports the -rdynamic option. 1330 AC_LINK_EXPORT_DYNAMIC 1331 1332 dnl Determine whether the linker supports the --version-script option. 1333 AC_LINK_VERSION_SCRIPT 1334 1335 AC_CHECK_HEADERS([errno.h]) 1336 1337 case "$llvm_cv_os_type" in 1338 Cygwin|MingW|Win32) llvm_shlib_ext=.dll ;; 1339 Darwin) llvm_shlib_ext=.dylib ;; 1340 *) llvm_shlib_ext=.so ;; 1341 esac 1342 1343 AC_DEFINE_UNQUOTED([LTDL_SHLIB_EXT], ["$llvm_shlib_ext"], [The shared library extension]) 1344 1345 AC_MSG_CHECKING([tool compatibility]) 1346 1347 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1348 dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1349 dnl to support those options. 1350 dnl "icc" emits gcc signatures 1351 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1352 ICC=no 1353 IXX=no 1354 case $CC in 1355 icc*|icpc*) 1356 ICC=yes 1357 IXX=yes 1358 ;; 1359 *) 1360 ;; 1361 esac 1362 1363 if test "$GCC" != "yes" && test "$ICC" != "yes" 1364 then 1365 AC_MSG_ERROR([gcc|icc required but not found]) 1366 fi 1367 1368 dnl Ensure that compilation tools are compatible with GCC extensions 1369 if test "$GXX" != "yes" && test "$IXX" != "yes" 1370 then 1371 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1372 fi 1373 1374 dnl Verify that GCC is version 3.0 or higher 1375 if test "$GCC" = "yes" 1376 then 1377 AC_COMPILE_IFELSE( 1378 [ 1379 AC_LANG_SOURCE([[ 1380 #if !defined(__GNUC__) || __GNUC__ < 3 1381 #error Unsupported GCC version 1382 #endif 1383 ]]) 1384 ], 1385 [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1386 fi 1387 1388 dnl Check for GNU Make. We use its extensions, so don't build without it 1389 if test -z "$llvm_cv_gnu_make_command" 1390 then 1391 AC_MSG_ERROR([GNU Make required but not found]) 1392 fi 1393 1394 dnl Tool compatibility is okay if we make it here. 1395 AC_MSG_RESULT([ok]) 1396 1397 dnl Check optional compiler flags. 1398 AC_MSG_CHECKING([optional compiler flags]) 1399 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1400 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1401 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) 1402 1403 dnl GCC's potential uninitialized use analysis is weak and presents lots of 1404 dnl false positives, so disable it. 1405 NO_UNINITIALIZED= 1406 NO_MAYBE_UNINITIALIZED= 1407 if test "$GXX" = "yes" 1408 then 1409 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized]) 1410 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are 1411 dnl known to be uninitialized from cases which might be uninitialized. We 1412 dnl still want to catch the first kind of errors. 1413 if test -z "$NO_MAYBE_UNINITIALIZED" 1414 then 1415 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized]) 1416 fi 1417 fi 1418 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED]) 1419 1420 AC_ARG_WITH([python], 1421 [AS_HELP_STRING([--with-python], [path to python])], 1422 [PYTHON="$withval"]) 1423 1424 if test -n "$PYTHON" && test -x "$PYTHON" ; then 1425 AC_MSG_CHECKING([for python]) 1426 AC_MSG_RESULT([user defined: $with_python]) 1427 else 1428 if test -n "$PYTHON" ; then 1429 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path]) 1430 fi 1431 1432 AC_PATH_PROG([PYTHON], [python python2 python26], 1433 [AC_MSG_RESULT([not found]) 1434 AC_MSG_ERROR([could not find python 2.5 or higher])]) 1435 fi 1436 1437 AC_MSG_CHECKING([for python >= 2.5]) 1438 ac_python_version=`$PYTHON -V 2>&1 | cut -d' ' -f2` 1439 ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1` 1440 ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2` 1441 ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3` 1442 if test "$ac_python_version_major" -gt "2" || \ 1443 (test "$ac_python_version_major" -eq "2" && \ 1444 test "$ac_python_version_minor" -ge "5") ; then 1445 AC_MSG_RESULT([$PYTHON ($ac_python_version)]) 1446 else 1447 AC_MSG_RESULT([not found]) 1448 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5]) 1449 fi 1450 1451 dnl===-----------------------------------------------------------------------=== 1452 dnl=== 1453 dnl=== SECTION 5: Check for libraries 1454 dnl=== 1455 dnl===-----------------------------------------------------------------------=== 1456 1457 AC_CHECK_LIB(m,sin) 1458 if test "$llvm_cv_os_type" = "MingW" ; then 1459 AC_CHECK_LIB(imagehlp, main) 1460 AC_CHECK_LIB(psapi, main) 1461 AC_CHECK_LIB(shell32, main) 1462 fi 1463 1464 dnl dlopen() is required for plugin support. 1465 AC_SEARCH_LIBS(dlopen,dl,LLVM_DEFINE_SUBST([HAVE_DLOPEN],[1], 1466 [Define if dlopen() is available on this platform.]), 1467 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1468 1469 dnl Search for the clock_gettime() function. Note that we rely on the POSIX 1470 dnl macros to detect whether clock_gettime is available, this just finds the 1471 dnl right libraries to link with. 1472 AC_SEARCH_LIBS(clock_gettime,rt) 1473 1474 dnl The curses library is optional; used for querying terminal info 1475 if test "$llvm_cv_enable_terminfo" = "yes" ; then 1476 dnl We need the has_color functionality in curses for it to be useful. 1477 AC_SEARCH_LIBS(setupterm,tinfo terminfo curses ncurses ncursesw, 1478 LLVM_DEFINE_SUBST([HAVE_TERMINFO],[1], 1479 [Define if the setupterm() function is supported this platform.])) 1480 fi 1481 1482 dnl The libedit library is optional; used by lib/LineEditor 1483 if test "$llvm_cv_enable_libedit" = "yes" ; then 1484 AC_SEARCH_LIBS(el_init,edit, 1485 AC_DEFINE([HAVE_LIBEDIT],[1], 1486 [Define if libedit is available on this platform.])) 1487 fi 1488 1489 dnl libffi is optional; used to call external functions from the interpreter 1490 if test "$llvm_cv_enable_libffi" = "yes" ; then 1491 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1492 [Define if libffi is available on this platform.]), 1493 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1494 fi 1495 1496 dnl mallinfo is optional; the code can compile (minus features) without it 1497 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1498 [Define if mallinfo() is available on this platform.])) 1499 1500 dnl pthread locking functions are optional - but llvm will not be thread-safe 1501 dnl without locks. 1502 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1503 AC_CHECK_LIB(pthread, pthread_mutex_init) 1504 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1505 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1506 [Have pthread_mutex_lock])) 1507 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1508 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1509 [Have pthread_rwlock_init])) 1510 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1511 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1512 [Have pthread_getspecific])) 1513 fi 1514 1515 dnl zlib is optional; used for compression/uncompression 1516 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then 1517 AC_CHECK_LIB(z, compress2) 1518 fi 1519 1520 dnl Allow extra x86-disassembler library 1521 AC_ARG_WITH(udis86, 1522 AS_HELP_STRING([--with-udis86=<path>], 1523 [Use udis86 external x86 disassembler library]), 1524 [ 1525 AC_SUBST(USE_UDIS86, [1]) 1526 case "$withval" in 1527 /usr/lib|yes) ;; 1528 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1529 esac 1530 AC_CHECK_LIB(udis86, ud_init, [], [ 1531 echo "Error! You need to have libudis86 around." 1532 exit -1 1533 ]) 1534 ], 1535 AC_SUBST(USE_UDIS86, [0])) 1536 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1537 [Define if use udis86 library]) 1538 1539 dnl Allow OProfile support for JIT output. 1540 AC_ARG_WITH(oprofile, 1541 AS_HELP_STRING([--with-oprofile=<prefix>], 1542 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1543 [ 1544 AC_SUBST(USE_OPROFILE, [1]) 1545 case "$withval" in 1546 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1547 no) llvm_cv_oppath= 1548 AC_SUBST(USE_OPROFILE, [0]) ;; 1549 *) llvm_cv_oppath="${withval}/lib/oprofile" 1550 CPPFLAGS="-I${withval}/include";; 1551 esac 1552 case $llvm_cv_os_type in 1553 Linux) 1554 if test -n "$llvm_cv_oppath" ; then 1555 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1556 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1557 dnl libbfd is not included properly in libopagent in some Debian 1558 dnl versions. If libbfd isn't found at all, we assume opagent works 1559 dnl anyway. 1560 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1561 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1562 echo "Error! You need to have libopagent around." 1563 exit -1 1564 ]) 1565 AC_CHECK_HEADER([opagent.h], [], [ 1566 echo "Error! You need to have opagent.h around." 1567 exit -1 1568 ]) 1569 fi ;; 1570 *) 1571 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; 1572 esac 1573 ], 1574 [ 1575 AC_SUBST(USE_OPROFILE, [0]) 1576 ]) 1577 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, 1578 [Define if we have the oprofile JIT-support library]) 1579 1580 dnl Enable support for Intel JIT Events API. 1581 AC_ARG_WITH(intel-jitevents, 1582 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]), 1583 [ 1584 case "$withval" in 1585 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);; 1586 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);; 1587 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);; 1588 esac 1589 1590 case $llvm_cv_os_type in 1591 Linux|Win32|Cygwin|MingW) ;; 1592 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);; 1593 esac 1594 1595 case "$llvm_cv_target_arch" in 1596 x86|x86_64) ;; 1597 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);; 1598 esac 1599 ], 1600 [ 1601 AC_SUBST(USE_INTEL_JITEVENTS, [0]) 1602 ]) 1603 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, 1604 [Define if we have the Intel JIT API runtime support library]) 1605 1606 dnl Check for libxml2 1607 dnl Right now we're just checking for the existence, we could also check for a 1608 dnl particular version via --version on xml2-config 1609 AC_CHECK_PROGS(XML2CONFIG, xml2-config) 1610 1611 AC_MSG_CHECKING(for libxml2 includes) 1612 if test "x$XML2CONFIG" = "x"; then 1613 AC_MSG_RESULT(xml2-config not found) 1614 else 1615 LIBXML2_INC=`$XML2CONFIG --cflags` 1616 AC_MSG_RESULT($LIBXML2_INC) 1617 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2]) 1618 LIBXML2_LIBS="-lxml2"]) 1619 fi 1620 AC_SUBST(LIBXML2_LIBS) 1621 AC_SUBST(LIBXML2_INC) 1622 1623 dnl===-----------------------------------------------------------------------=== 1624 dnl=== 1625 dnl=== SECTION 6: Check for header files 1626 dnl=== 1627 dnl===-----------------------------------------------------------------------=== 1628 1629 dnl First, use autoconf provided macros for specific headers that we need 1630 dnl We don't check for ancient stuff or things that are guaranteed to be there 1631 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1632 dnl Generally we're looking for POSIX headers. 1633 AC_HEADER_DIRENT 1634 AC_HEADER_MMAP_ANONYMOUS 1635 AC_HEADER_STAT 1636 AC_HEADER_SYS_WAIT 1637 AC_HEADER_TIME 1638 1639 AC_LANG_PUSH([C++]) 1640 AC_CHECK_HEADERS([cxxabi.h]) 1641 AC_LANG_POP([C++]) 1642 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h]) 1643 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1644 AC_CHECK_HEADERS([utime.h]) 1645 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1646 AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h]) 1647 AC_CHECK_HEADERS([valgrind/valgrind.h]) 1648 AC_CHECK_HEADERS([fenv.h]) 1649 AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]]) 1650 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1651 AC_CHECK_HEADERS(pthread.h, 1652 AC_SUBST(HAVE_PTHREAD, 1), 1653 AC_SUBST(HAVE_PTHREAD, 0)) 1654 else 1655 AC_SUBST(HAVE_PTHREAD, 0) 1656 fi 1657 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then 1658 AC_CHECK_HEADERS(zlib.h, 1659 AC_SUBST(HAVE_LIBZ, 1), 1660 AC_SUBST(HAVE_LIBZ, 0)) 1661 else 1662 AC_SUBST(HAVE_LIBZ, 0) 1663 fi 1664 1665 dnl Try to find ffi.h. 1666 if test "$llvm_cv_enable_libffi" = "yes" ; then 1667 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1668 fi 1669 1670 dnl Try to find Darwin specific crash reporting libraries. 1671 AC_CHECK_HEADERS([CrashReporterClient.h]) 1672 1673 dnl Try to find Darwin specific crash reporting global. 1674 AC_MSG_CHECKING([__crashreporter_info__]) 1675 AC_LINK_IFELSE( 1676 [ 1677 AC_LANG_SOURCE([[ 1678 extern const char *__crashreporter_info__; 1679 int main() { 1680 __crashreporter_info__ = "test"; 1681 return 0; 1682 } 1683 ]]) 1684 ], 1685 [ 1686 AC_MSG_RESULT([yes]) 1687 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__]) 1688 ], 1689 [ 1690 AC_MSG_RESULT([no]) 1691 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__]) 1692 ]) 1693 1694 dnl===-----------------------------------------------------------------------=== 1695 dnl=== 1696 dnl=== SECTION 7: Check for types and structures 1697 dnl=== 1698 dnl===-----------------------------------------------------------------------=== 1699 1700 AC_HUGE_VAL_CHECK 1701 AC_TYPE_PID_T 1702 AC_TYPE_SIZE_T 1703 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1704 AC_STRUCT_TM 1705 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1706 AC_CHECK_TYPES([uint64_t],, 1707 AC_CHECK_TYPES([u_int64_t],, 1708 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1709 1710 dnl===-----------------------------------------------------------------------=== 1711 dnl=== 1712 dnl=== SECTION 8: Check for specific functions needed 1713 dnl=== 1714 dnl===-----------------------------------------------------------------------=== 1715 1716 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1717 AC_CHECK_FUNCS([powf fmodf strtof round ]) 1718 AC_CHECK_FUNCS([log log2 log10 exp exp2]) 1719 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1720 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1721 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ]) 1722 AC_CHECK_FUNCS([strerror strerror_r setenv ]) 1723 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1724 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1725 AC_CHECK_FUNCS([futimes futimens]) 1726 AC_C_PRINTF_A 1727 AC_FUNC_RAND48 1728 1729 dnl Check for arc4random accessible via AC_INCLUDES_DEFAULT. 1730 AC_CHECK_DECLS([arc4random]) 1731 1732 dnl Check the declaration "Secure API" on Windows environments. 1733 AC_CHECK_DECLS([strerror_s]) 1734 1735 dnl Check symbols in libgcc.a for JIT on Mingw. 1736 if test "$llvm_cv_os_type" = "MingW" ; then 1737 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1738 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1739 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1740 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1741 1742 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1743 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1744 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1745 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1746 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1747 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1748 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1749 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1750 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1751 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1752 1753 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1754 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1755 fi 1756 1757 dnl Check Win32 API EnumerateLoadedModules. 1758 if test "$llvm_cv_os_type" = "MingW" ; then 1759 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1760 AC_COMPILE_IFELSE( 1761 [ 1762 AC_LANG_SOURCE([[ 1763 #include <windows.h> 1764 #include <imagehlp.h> 1765 extern void foo(PENUMLOADED_MODULES_CALLBACK); 1766 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 1767 ]]) 1768 ], 1769 [ 1770 AC_MSG_RESULT([yes]) 1771 llvm_cv_win32_elmcb_pcstr="PCSTR" 1772 ], 1773 [ 1774 AC_MSG_RESULT([no]) 1775 llvm_cv_win32_elmcb_pcstr="PSTR" 1776 ]) 1777 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1778 fi 1779 1780 dnl Check for variations in the Standard C++ library and STL. These macros are 1781 dnl provided by LLVM in the autoconf/m4 directory. 1782 AC_FUNC_ISNAN 1783 AC_FUNC_ISINF 1784 1785 dnl Check for mmap support.We also need to know if /dev/zero is required to 1786 dnl be opened for allocating RWX memory. 1787 dnl Make sure we aren't attempting to configure for an unknown system 1788 if test "$llvm_cv_platform_type" = "Unix" ; then 1789 AC_FUNC_MMAP 1790 AC_FUNC_MMAP_FILE 1791 AC_NEED_DEV_ZERO_FOR_MMAP 1792 1793 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1794 then 1795 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1796 fi 1797 if test "$ac_cv_func_mmap_file" = "no" 1798 then 1799 AC_MSG_WARN([mmap() of files required but not found]) 1800 fi 1801 fi 1802 1803 dnl atomic builtins are required for threading support. 1804 AC_MSG_CHECKING(for GCC atomic builtins) 1805 dnl Since we'll be using these atomic builtins in C++ files we should test 1806 dnl the C++ compiler. 1807 AC_LANG_PUSH([C++]) 1808 AC_LINK_IFELSE( 1809 [ 1810 AC_LANG_SOURCE([[ 1811 int main() { 1812 volatile unsigned long val = 1; 1813 __sync_synchronize(); 1814 __sync_val_compare_and_swap(&val, 1, 0); 1815 __sync_add_and_fetch(&val, 1); 1816 __sync_sub_and_fetch(&val, 1); 1817 return 0; 1818 } 1819 ]]) 1820 ], 1821 [ 1822 AC_MSG_RESULT([yes]) 1823 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics]) 1824 ], 1825 [ 1826 AC_MSG_RESULT([no]) 1827 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics]) 1828 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]) 1829 ]) 1830 AC_LANG_POP([C++]) 1831 1832 dnl===-----------------------------------------------------------------------=== 1833 dnl=== 1834 dnl=== SECTION 9: Additional checks, variables, etc. 1835 dnl=== 1836 dnl===-----------------------------------------------------------------------=== 1837 1838 dnl Handle 32-bit linux systems running a 64-bit kernel. 1839 dnl This has to come after section 4 because it invokes the compiler. 1840 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1841 AC_IS_LINUX_MIXED 1842 if test "$llvm_cv_linux_mixed" = "yes"; then 1843 llvm_cv_target_arch="x86" 1844 ARCH="x86" 1845 fi 1846 fi 1847 1848 dnl Check whether __dso_handle is present 1849 AC_CHECK_FUNCS([__dso_handle]) 1850 1851 dnl Propagate the shared library extension that the libltdl checks did to 1852 dnl the Makefiles so we can use it there too 1853 AC_SUBST(SHLIBEXT,$llvm_shlib_ext) 1854 1855 dnl Translate the various configuration directories and other basic 1856 dnl information into substitutions that will end up in Makefile.config.in 1857 dnl that these configured values can be used by the makefiles 1858 if test "${prefix}" = "NONE" ; then 1859 prefix="/usr/local" 1860 fi 1861 eval LLVM_PREFIX="${prefix}"; 1862 eval LLVM_BINDIR="${prefix}/bin"; 1863 eval LLVM_DATADIR="${prefix}/share/llvm"; 1864 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1865 eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1866 eval LLVM_INCLUDEDIR="${prefix}/include"; 1867 eval LLVM_INFODIR="${prefix}/info"; 1868 eval LLVM_MANDIR="${prefix}/man"; 1869 LLVM_CONFIGTIME=`date` 1870 AC_SUBST(LLVM_PREFIX) 1871 AC_SUBST(LLVM_BINDIR) 1872 AC_SUBST(LLVM_DATADIR) 1873 AC_SUBST(LLVM_DOCSDIR) 1874 AC_SUBST(LLVM_ETCDIR) 1875 AC_SUBST(LLVM_INCLUDEDIR) 1876 AC_SUBST(LLVM_INFODIR) 1877 AC_SUBST(LLVM_MANDIR) 1878 AC_SUBST(LLVM_CONFIGTIME) 1879 1880 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. 1881 if test "${ENABLE_TIMESTAMPS}" = "0"; then 1882 LLVM_CONFIGTIME="(timestamp not enabled)" 1883 fi 1884 1885 dnl Place the various directories into the config.h file as #defines so that we 1886 dnl can know about the installation paths within LLVM. 1887 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1888 [Installation prefix directory]) 1889 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1890 [Installation directory for binary executables]) 1891 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1892 [Installation directory for data files]) 1893 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1894 [Installation directory for documentation]) 1895 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1896 [Installation directory for config files]) 1897 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1898 [Installation directory for include files]) 1899 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1900 [Installation directory for .info files]) 1901 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1902 [Installation directory for man pages]) 1903 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1904 [Time at which LLVM was configured]) 1905 AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host", 1906 [Host triple LLVM will be executed on]) 1907 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", 1908 [Target triple LLVM will generate code for by default]) 1909 1910 dnl Determine which bindings to build. 1911 if test "$BINDINGS_TO_BUILD" = auto ; then 1912 BINDINGS_TO_BUILD="" 1913 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1914 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1915 fi 1916 fi 1917 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1918 1919 dnl This isn't really configurey, but it avoids having to repeat the list in 1920 dnl other files. 1921 AC_SUBST(ALL_BINDINGS,ocaml) 1922 1923 dnl Do any work necessary to ensure that bindings have what they need. 1924 binding_prereqs_failed=0 1925 for a_binding in $BINDINGS_TO_BUILD ; do 1926 case "$a_binding" in 1927 ocaml) 1928 if test "x$OCAMLC" = x ; then 1929 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1930 binding_prereqs_failed=1 1931 fi 1932 if test "x$OCAMLDEP" = x ; then 1933 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1934 binding_prereqs_failed=1 1935 fi 1936 if test "x$OCAMLOPT" = x ; then 1937 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1938 dnl ocamlopt is optional! 1939 fi 1940 if test "x$with_ocaml_libdir" != xauto ; then 1941 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1942 else 1943 ocaml_stdlib="`"$OCAMLC" -where`" 1944 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1945 then 1946 # ocaml stdlib is beneath our prefix; use stdlib 1947 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1948 else 1949 # ocaml stdlib is outside our prefix; use libdir/ocaml 1950 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml) 1951 fi 1952 fi 1953 ;; 1954 esac 1955 done 1956 if test "$binding_prereqs_failed" = 1 ; then 1957 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1958 fi 1959 1960 dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1961 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1962 1963 dnl Determine linker rpath flag 1964 if test "$llvm_cv_link_use_r" = "yes" ; then 1965 RPATH="-Wl,-R" 1966 else 1967 RPATH="-Wl,-rpath" 1968 fi 1969 AC_SUBST(RPATH) 1970 1971 dnl Determine linker rdynamic flag 1972 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1973 RDYNAMIC="-rdynamic" 1974 else 1975 RDYNAMIC="" 1976 fi 1977 AC_SUBST(RDYNAMIC) 1978 1979 dnl===-----------------------------------------------------------------------=== 1980 dnl=== 1981 dnl=== SECTION 10: Specify the output files and generate it 1982 dnl=== 1983 dnl===-----------------------------------------------------------------------=== 1984 1985 dnl Configure header files 1986 dnl WARNING: dnl If you add or remove any of the following config headers, then 1987 dnl you MUST also update Makefile so that the variable FilesToConfig 1988 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1989 dnl files can be updated automatically when their *.in sources change. 1990 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1991 AH_TOP([#ifndef CONFIG_H 1992 #define CONFIG_H]) 1993 AH_BOTTOM([#endif]) 1994 1995 AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1996 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1997 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1998 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1999 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 2000 2001 dnl Configure the makefile's configuration data 2002 AC_CONFIG_FILES([Makefile.config]) 2003 2004 dnl Configure the RPM spec file for LLVM 2005 AC_CONFIG_FILES([llvm.spec]) 2006 2007 dnl Configure doxygen's configuration file 2008 AC_CONFIG_FILES([docs/doxygen.cfg]) 2009 2010 dnl Configure clang, if present 2011 if test "${clang_src_root}" = ""; then 2012 clang_src_root="$srcdir/tools/clang" 2013 fi 2014 if test -f ${clang_src_root}/README.txt; then 2015 dnl Use variables to stay under 80 columns. 2016 configh="include/clang/Config/config.h" 2017 doxy="docs/doxygen.cfg" 2018 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) 2019 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) 2020 fi 2021 2022 dnl OCaml findlib META file 2023 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 2024 2025 dnl Add --program-prefix value to Makefile.rules. Already an ARG variable. 2026 test "x$program_prefix" = "xNONE" && program_prefix="" 2027 AC_SUBST([program_prefix]) 2028 2029 2030 dnl Do special configuration of Makefiles 2031 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 2032 AC_CONFIG_MAKEFILE(Makefile) 2033 AC_CONFIG_MAKEFILE(Makefile.common) 2034 AC_CONFIG_MAKEFILE(examples/Makefile) 2035 AC_CONFIG_MAKEFILE(lib/Makefile) 2036 AC_CONFIG_MAKEFILE(test/Makefile) 2037 AC_CONFIG_MAKEFILE(test/Makefile.tests) 2038 AC_CONFIG_MAKEFILE(unittests/Makefile) 2039 AC_CONFIG_MAKEFILE(tools/Makefile) 2040 AC_CONFIG_MAKEFILE(utils/Makefile) 2041 AC_CONFIG_MAKEFILE(projects/Makefile) 2042 AC_CONFIG_MAKEFILE(bindings/Makefile) 2043 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 2044 2045 dnl Finally, crank out the output 2046 AC_OUTPUT 2047
