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 email address for reporting bugs. 34 AC_INIT([[llvm]],[[3.1svn]],[llvmbugs (a] cs.uiuc.edu]) 35 36 dnl Provide a copyright substitution and ensure the copyright notice is included 37 dnl in the output of --version option of the generated configure script. 38 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign."]) 39 AC_COPYRIGHT([Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign.]) 40 41 dnl Indicate that we require autoconf 2.60 or later. 42 AC_PREREQ(2.60) 43 44 dnl Verify that the source directory is valid. This makes sure that we are 45 dnl configuring LLVM and not some other package (it validates --srcdir argument) 46 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp]) 47 48 dnl Place all of the extra autoconf files into the config subdirectory. Tell 49 dnl various tools where the m4 autoconf macros are. 50 AC_CONFIG_AUX_DIR([autoconf]) 51 52 dnl Quit if the source directory has already been configured. 53 dnl NOTE: This relies upon undocumented autoconf behavior. 54 if test ${srcdir} != "." ; then 55 if test -f ${srcdir}/include/llvm/Config/config.h ; then 56 AC_MSG_ERROR([Already configured in ${srcdir}]) 57 fi 58 fi 59 60 dnl We need to check for the compiler up here to avoid anything else 61 dnl starting with a different one. 62 AC_PROG_CC(clang llvm-gcc gcc) 63 AC_PROG_CXX(clang++ llvm-g++ g++) 64 AC_PROG_CPP 65 66 dnl Configure all of the projects present in our source tree. While we could 67 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 68 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 69 dnl Instead we match on the known projects. 70 71 dnl 72 dnl One tricky part of doing this is that some projects depend upon other 73 dnl projects. For example, several projects rely upon the LLVM test suite. 74 dnl We want to configure those projects first so that their object trees are 75 dnl created before running the configure scripts of projects that depend upon 76 dnl them. 77 dnl 78 79 dnl Several projects use llvm-gcc, so configure that first 80 if test -d ${srcdir}/projects/llvm-gcc ; then 81 AC_CONFIG_SUBDIRS([projects/llvm-gcc]) 82 fi 83 84 dnl Several projects use the LLVM test suite, so configure it next. 85 if test -d ${srcdir}/projects/test-suite ; then 86 AC_CONFIG_SUBDIRS([projects/test-suite]) 87 fi 88 89 dnl llvm-test is the old name of the test-suite, kept here for backwards 90 dnl compatibility 91 if test -d ${srcdir}/projects/llvm-test ; then 92 AC_CONFIG_SUBDIRS([projects/llvm-test]) 93 fi 94 95 dnl Some projects use poolalloc; configure that next 96 if test -d ${srcdir}/projects/poolalloc ; then 97 AC_CONFIG_SUBDIRS([projects/poolalloc]) 98 fi 99 100 if test -d ${srcdir}/projects/llvm-poolalloc ; then 101 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 102 fi 103 104 dnl Check for all other projects 105 for i in `ls ${srcdir}/projects` 106 do 107 if test -d ${srcdir}/projects/${i} ; then 108 case ${i} in 109 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; 110 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 111 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; 112 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 113 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 114 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 115 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 116 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 117 llvm-gcc) ;; 118 test-suite) ;; 119 llvm-test) ;; 120 poolalloc) ;; 121 llvm-poolalloc) ;; 122 *) 123 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 124 ;; 125 esac 126 fi 127 done 128 129 dnl Disable the build of polly, even if it is checked out into tools/polly. 130 AC_ARG_ENABLE(polly, 131 AS_HELP_STRING([--enable-polly], 132 [Use polly if available (default is YES)]),, 133 enableval=default) 134 case "$enableval" in 135 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 136 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 137 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 138 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 139 esac 140 141 142 dnl Check if polly is checked out into tools/polly and configure it if 143 dnl available. 144 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 145 AC_SUBST(LLVM_HAS_POLLY,1) 146 AC_CONFIG_SUBDIRS([tools/polly]) 147 fi 148 149 dnl===-----------------------------------------------------------------------=== 150 dnl=== 151 dnl=== SECTION 2: Architecture, target, and host checks 152 dnl=== 153 dnl===-----------------------------------------------------------------------=== 154 155 dnl Check the target for which we're compiling and the host that will do the 156 dnl compilations. This will tell us which LLVM compiler will be used for 157 dnl compiling SSA into object code. This needs to be done early because 158 dnl following tests depend on it. 159 AC_CANONICAL_TARGET 160 161 dnl Determine the platform type and cache its value. This helps us configure 162 dnl the System library to the correct build platform. 163 AC_CACHE_CHECK([type of operating system we're going to host on], 164 [llvm_cv_os_type], 165 [case $host in 166 *-*-aix*) 167 llvm_cv_link_all_option="-Wl,--whole-archive" 168 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 169 llvm_cv_os_type="AIX" 170 llvm_cv_platform_type="Unix" ;; 171 *-*-irix*) 172 llvm_cv_link_all_option="-Wl,--whole-archive" 173 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 174 llvm_cv_os_type="IRIX" 175 llvm_cv_platform_type="Unix" ;; 176 *-*-cygwin*) 177 llvm_cv_link_all_option="-Wl,--whole-archive" 178 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 179 llvm_cv_os_type="Cygwin" 180 llvm_cv_platform_type="Unix" ;; 181 *-*-darwin*) 182 llvm_cv_link_all_option="-Wl,-all_load" 183 llvm_cv_no_link_all_option="-Wl,-noall_load" 184 llvm_cv_os_type="Darwin" 185 llvm_cv_platform_type="Unix" ;; 186 *-*-minix*) 187 llvm_cv_link_all_option="-Wl,-all_load" 188 llvm_cv_no_link_all_option="-Wl,-noall_load" 189 llvm_cv_os_type="Minix" 190 llvm_cv_platform_type="Unix" ;; 191 *-*-freebsd*) 192 llvm_cv_link_all_option="-Wl,--whole-archive" 193 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 194 llvm_cv_os_type="FreeBSD" 195 llvm_cv_platform_type="Unix" ;; 196 *-*-openbsd*) 197 llvm_cv_link_all_option="-Wl,--whole-archive" 198 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 199 llvm_cv_os_type="OpenBSD" 200 llvm_cv_platform_type="Unix" ;; 201 *-*-netbsd*) 202 llvm_cv_link_all_option="-Wl,--whole-archive" 203 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 204 llvm_cv_os_type="NetBSD" 205 llvm_cv_platform_type="Unix" ;; 206 *-*-dragonfly*) 207 llvm_cv_link_all_option="-Wl,--whole-archive" 208 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 209 llvm_cv_os_type="DragonFly" 210 llvm_cv_platform_type="Unix" ;; 211 *-*-hpux*) 212 llvm_cv_link_all_option="-Wl,--whole-archive" 213 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 214 llvm_cv_os_type="HP-UX" 215 llvm_cv_platform_type="Unix" ;; 216 *-*-interix*) 217 llvm_cv_link_all_option="-Wl,--whole-archive" 218 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 219 llvm_cv_os_type="Interix" 220 llvm_cv_platform_type="Unix" ;; 221 *-*-linux*) 222 llvm_cv_link_all_option="-Wl,--whole-archive" 223 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 224 llvm_cv_os_type="Linux" 225 llvm_cv_platform_type="Unix" ;; 226 *-*-solaris*) 227 llvm_cv_link_all_option="-Wl,-z,allextract" 228 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 229 llvm_cv_os_type="SunOS" 230 llvm_cv_platform_type="Unix" ;; 231 *-*-auroraux*) 232 llvm_cv_link_all_option="-Wl,-z,allextract" 233 llvm_cv_link_all_option="-Wl,-z,defaultextract" 234 llvm_cv_os_type="AuroraUX" 235 llvm_cv_platform_type="Unix" ;; 236 *-*-win32*) 237 llvm_cv_link_all_option="-Wl,--whole-archive" 238 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 239 llvm_cv_os_type="Win32" 240 llvm_cv_platform_type="Win32" ;; 241 *-*-mingw*) 242 llvm_cv_link_all_option="-Wl,--whole-archive" 243 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 244 llvm_cv_os_type="MingW" 245 llvm_cv_platform_type="Win32" ;; 246 *-*-haiku*) 247 llvm_cv_link_all_option="-Wl,--whole-archive" 248 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 249 llvm_cv_os_type="Haiku" 250 llvm_cv_platform_type="Unix" ;; 251 *-unknown-eabi*) 252 llvm_cv_link_all_option="-Wl,--whole-archive" 253 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 254 llvm_cv_os_type="Freestanding" 255 llvm_cv_platform_type="Unix" ;; 256 *-unknown-elf*) 257 llvm_cv_link_all_option="-Wl,--whole-archive" 258 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 259 llvm_cv_os_type="Freestanding" 260 llvm_cv_platform_type="Unix" ;; 261 *) 262 llvm_cv_link_all_option="" 263 llvm_cv_no_link_all_option="" 264 llvm_cv_os_type="Unknown" 265 llvm_cv_platform_type="Unknown" ;; 266 esac]) 267 268 AC_CACHE_CHECK([type of operating system we're going to target], 269 [llvm_cv_target_os_type], 270 [case $target in 271 *-*-aix*) 272 llvm_cv_target_os_type="AIX" ;; 273 *-*-irix*) 274 llvm_cv_target_os_type="IRIX" ;; 275 *-*-cygwin*) 276 llvm_cv_target_os_type="Cygwin" ;; 277 *-*-darwin*) 278 llvm_cv_target_os_type="Darwin" ;; 279 *-*-minix*) 280 llvm_cv_target_os_type="Minix" ;; 281 *-*-freebsd*) 282 llvm_cv_target_os_type="FreeBSD" ;; 283 *-*-openbsd*) 284 llvm_cv_target_os_type="OpenBSD" ;; 285 *-*-netbsd*) 286 llvm_cv_target_os_type="NetBSD" ;; 287 *-*-dragonfly*) 288 llvm_cv_target_os_type="DragonFly" ;; 289 *-*-hpux*) 290 llvm_cv_target_os_type="HP-UX" ;; 291 *-*-interix*) 292 llvm_cv_target_os_type="Interix" ;; 293 *-*-linux*) 294 llvm_cv_target_os_type="Linux" ;; 295 *-*-solaris*) 296 llvm_cv_target_os_type="SunOS" ;; 297 *-*-auroraux*) 298 llvm_cv_target_os_type="AuroraUX" ;; 299 *-*-win32*) 300 llvm_cv_target_os_type="Win32" ;; 301 *-*-mingw*) 302 llvm_cv_target_os_type="MingW" ;; 303 *-*-haiku*) 304 llvm_cv_target_os_type="Haiku" ;; 305 *-*-rtems*) 306 llvm_cv_target_os_type="RTEMS" ;; 307 *-*-nacl*) 308 llvm_cv_target_os_type="NativeClient" ;; 309 *-unknown-eabi*) 310 llvm_cv_target_os_type="Freestanding" ;; 311 *) 312 llvm_cv_target_os_type="Unknown" ;; 313 esac]) 314 315 dnl Make sure we aren't attempting to configure for an unknown system 316 if test "$llvm_cv_os_type" = "Unknown" ; then 317 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 318 fi 319 320 dnl Set the "OS" Makefile variable based on the platform type so the 321 dnl makefile can configure itself to specific build hosts 322 AC_SUBST(OS,$llvm_cv_os_type) 323 AC_SUBST(HOST_OS,$llvm_cv_os_type) 324 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 325 326 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 327 AC_SUBST(LINKALL,$llvm_cv_link_all_option) 328 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 329 330 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 331 dnl This is used by lib/Support to determine the basic kind of implementation 332 dnl to use. 333 case $llvm_cv_platform_type in 334 Unix) 335 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 336 AC_SUBST(LLVM_ON_UNIX,[1]) 337 AC_SUBST(LLVM_ON_WIN32,[0]) 338 ;; 339 Win32) 340 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 341 AC_SUBST(LLVM_ON_UNIX,[0]) 342 AC_SUBST(LLVM_ON_WIN32,[1]) 343 ;; 344 esac 345 346 dnl Determine what our target architecture is and configure accordingly. 347 dnl This will allow Makefiles to make a distinction between the hardware and 348 dnl the OS. 349 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 350 [case $target in 351 i?86-*) llvm_cv_target_arch="x86" ;; 352 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 353 sparc*-*) llvm_cv_target_arch="Sparc" ;; 354 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 355 alpha*-*) llvm_cv_target_arch="Alpha" ;; 356 arm*-*) llvm_cv_target_arch="ARM" ;; 357 mips-*) llvm_cv_target_arch="Mips" ;; 358 xcore-*) llvm_cv_target_arch="XCore" ;; 359 msp430-*) llvm_cv_target_arch="MSP430" ;; 360 s390x-*) llvm_cv_target_arch="SystemZ" ;; 361 bfin-*) llvm_cv_target_arch="Blackfin" ;; 362 mblaze-*) llvm_cv_target_arch="MBlaze" ;; 363 ptx-*) llvm_cv_target_arch="PTX" ;; 364 *) llvm_cv_target_arch="Unknown" ;; 365 esac]) 366 367 if test "$llvm_cv_target_arch" = "Unknown" ; then 368 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 369 fi 370 371 # Determine the LLVM native architecture for the target 372 case "$llvm_cv_target_arch" in 373 x86) LLVM_NATIVE_ARCH="X86" ;; 374 x86_64) LLVM_NATIVE_ARCH="X86" ;; 375 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 376 esac 377 378 dnl Define a substitution, ARCH, for the target architecture 379 AC_SUBST(ARCH,$llvm_cv_target_arch) 380 381 dnl Check for the endianness of the target 382 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 383 384 dnl Check for build platform executable suffix if we're crosscompiling 385 if test "$cross_compiling" = yes; then 386 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 387 AC_BUILD_EXEEXT 388 ac_build_prefix=${build_alias}- 389 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 390 if test -z "$BUILD_CXX"; then 391 AC_CHECK_PROG(BUILD_CXX, g++, g++) 392 if test -z "$BUILD_CXX"; then 393 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 394 fi 395 fi 396 else 397 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 398 fi 399 400 dnl Check to see if there's a .svn or .git directory indicating that this 401 dnl build is being done from a checkout. This sets up several defaults for 402 dnl the command line switches. When we build with a checkout directory, 403 dnl we get a debug with assertions turned on. Without, we assume a source 404 dnl release and we get an optimized build without assertions. 405 dnl See --enable-optimized and --enable-assertions below 406 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 407 cvsbuild="yes" 408 optimize="no" 409 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 410 else 411 cvsbuild="no" 412 optimize="yes" 413 fi 414 415 dnl===-----------------------------------------------------------------------=== 416 dnl=== 417 dnl=== SECTION 3: Command line arguments for the configure script. 418 dnl=== 419 dnl===-----------------------------------------------------------------------=== 420 421 dnl --enable-optimized : check whether they want to do an optimized build: 422 AC_ARG_ENABLE(optimized, AS_HELP_STRING( 423 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 424 if test ${enableval} = "no" ; then 425 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 426 else 427 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 428 fi 429 430 dnl --enable-profiling : check whether they want to do a profile build: 431 AC_ARG_ENABLE(profiling, AS_HELP_STRING( 432 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 433 if test ${enableval} = "no" ; then 434 AC_SUBST(ENABLE_PROFILING,[[]]) 435 else 436 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 437 fi 438 439 dnl --enable-assertions : check whether they want to turn on assertions or not: 440 AC_ARG_ENABLE(assertions,AS_HELP_STRING( 441 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 442 if test ${enableval} = "yes" ; then 443 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 444 else 445 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 446 fi 447 448 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 449 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 450 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 451 if test ${enableval} = "yes" ; then 452 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 453 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 454 else 455 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 456 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 457 fi 458 459 dnl --enable-debug-runtime : should runtime libraries have debug symbols? 460 AC_ARG_ENABLE(debug-runtime, 461 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 462 if test ${enableval} = "no" ; then 463 AC_SUBST(DEBUG_RUNTIME,[[]]) 464 else 465 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 466 fi 467 468 dnl --enable-debug-symbols : should even optimized compiler libraries 469 dnl have debug symbols? 470 AC_ARG_ENABLE(debug-symbols, 471 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) 472 if test ${enableval} = "no" ; then 473 AC_SUBST(DEBUG_SYMBOLS,[[]]) 474 else 475 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 476 fi 477 478 dnl --enable-jit: check whether they want to enable the jit 479 AC_ARG_ENABLE(jit, 480 AS_HELP_STRING(--enable-jit, 481 [Enable Just In Time Compiling (default is YES)]),, 482 enableval=default) 483 if test ${enableval} = "no" 484 then 485 AC_SUBST(JIT,[[]]) 486 else 487 case "$llvm_cv_target_arch" in 488 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 489 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 490 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 491 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 492 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;; 493 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 494 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 495 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 496 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 497 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;; 498 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;; 499 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;; 500 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 501 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 502 esac 503 fi 504 505 dnl Allow enablement of building and installing docs 506 AC_ARG_ENABLE(docs, 507 AS_HELP_STRING([--enable-docs], 508 [Build documents (default is YES)]),, 509 enableval=default) 510 case "$enableval" in 511 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 512 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 513 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 514 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 515 esac 516 517 dnl Allow enablement of doxygen generated documentation 518 AC_ARG_ENABLE(doxygen, 519 AS_HELP_STRING([--enable-doxygen], 520 [Build doxygen documentation (default is NO)]),, 521 enableval=default) 522 case "$enableval" in 523 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 524 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 525 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 526 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 527 esac 528 529 dnl Allow disablement of threads 530 AC_ARG_ENABLE(threads, 531 AS_HELP_STRING([--enable-threads], 532 [Use threads if available (default is YES)]),, 533 enableval=default) 534 case "$enableval" in 535 yes) AC_SUBST(ENABLE_THREADS,[1]) ;; 536 no) AC_SUBST(ENABLE_THREADS,[0]) ;; 537 default) AC_SUBST(ENABLE_THREADS,[1]) ;; 538 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 539 esac 540 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled]) 541 542 dnl Allow disablement of pthread.h 543 AC_ARG_ENABLE(pthreads, 544 AS_HELP_STRING([--enable-pthreads], 545 [Use pthreads if available (default is YES)]),, 546 enableval=default) 547 case "$enableval" in 548 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 549 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 550 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 551 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 552 esac 553 554 dnl Allow building without position independent code 555 AC_ARG_ENABLE(pic, 556 AS_HELP_STRING([--enable-pic], 557 [Build LLVM with Position Independent Code (default is YES)]),, 558 enableval=default) 559 case "$enableval" in 560 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 561 no) AC_SUBST(ENABLE_PIC,[0]) ;; 562 default) AC_SUBST(ENABLE_PIC,[1]) ;; 563 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 564 esac 565 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 566 [Define if position independent code is enabled]) 567 568 dnl Allow building a shared library and linking tools against it. 569 AC_ARG_ENABLE(shared, 570 AS_HELP_STRING([--enable-shared], 571 [Build a shared library and link tools against it (default is NO)]),, 572 enableval=default) 573 case "$enableval" in 574 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 575 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 576 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 577 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 578 esac 579 580 dnl Allow libstdc++ is embedded in LLVM.dll. 581 AC_ARG_ENABLE(embed-stdcxx, 582 AS_HELP_STRING([--enable-embed-stdcxx], 583 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 584 enableval=default) 585 case "$enableval" in 586 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 587 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 588 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 589 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 590 esac 591 592 dnl Enable embedding timestamp information into build. 593 AC_ARG_ENABLE(timestamps, 594 AS_HELP_STRING([--enable-timestamps], 595 [Enable embedding timestamp information in build (default is YES)]),, 596 enableval=default) 597 case "$enableval" in 598 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 599 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 600 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 601 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 602 esac 603 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 604 [Define if timestamp information (e.g., __DATE___) is allowed]) 605 606 dnl Allow specific targets to be specified for building (or not) 607 TARGETS_TO_BUILD="" 608 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 609 [Build specific host targets: all or target1,target2,... Valid targets are: 610 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, 611 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),, 612 enableval=all) 613 if test "$enableval" = host-only ; then 614 enableval=host 615 fi 616 case "$enableval" in 617 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;; 618 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 619 case "$a_target" in 620 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 621 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 622 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 623 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 624 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; 625 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 626 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 627 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 628 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 629 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 630 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 631 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;; 632 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;; 633 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 634 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 635 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; 636 host) case "$llvm_cv_target_arch" in 637 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 638 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 639 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 640 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 641 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; 642 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 643 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 644 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 645 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 646 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 647 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 648 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 649 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;; 650 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; 651 *) AC_MSG_ERROR([Can not set target to build]) ;; 652 esac ;; 653 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 654 esac 655 done 656 ;; 657 esac 658 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 659 660 # Determine whether we are building LLVM support for the native architecture. 661 # If so, define LLVM_NATIVE_ARCH to that LLVM target. 662 for a_target in $TARGETS_TO_BUILD; do 663 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 664 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 665 [LLVM architecture name for the native architecture, if available]) 666 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 667 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 668 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 669 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 670 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 671 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 672 fi 673 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 674 [LLVM name for the native Target init function, if available]) 675 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 676 [LLVM name for the native TargetInfo init function, if available]) 677 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 678 [LLVM name for the native target MC init function, if available]) 679 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 680 [LLVM name for the native AsmPrinter init function, if available]) 681 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 682 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 683 [LLVM name for the native AsmParser init function, if available]) 684 fi 685 fi 686 done 687 688 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 689 # target feature def files. 690 LLVM_ENUM_TARGETS="" 691 LLVM_ENUM_ASM_PRINTERS="" 692 LLVM_ENUM_ASM_PARSERS="" 693 LLVM_ENUM_DISASSEMBLERS="" 694 for target_to_build in $TARGETS_TO_BUILD; do 695 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 696 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 697 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 698 fi 699 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 700 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 701 fi 702 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 703 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 704 fi 705 done 706 AC_SUBST(LLVM_ENUM_TARGETS) 707 AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 708 AC_SUBST(LLVM_ENUM_ASM_PARSERS) 709 AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 710 711 dnl Prevent the CBackend from using printf("%a") for floating point so older 712 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format 713 dnl can still compile the CBE's output 714 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a], 715 [Enable C Backend output with hex floating point via %a (default is YES)]),, 716 enableval=default) 717 case "$enableval" in 718 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; 719 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;; 720 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; 721 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;; 722 esac 723 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A, 724 [Define if CBE is enabled for printf %a output]) 725 726 dnl Override the option to use for optimized builds. 727 AC_ARG_WITH(optimize-option, 728 AS_HELP_STRING([--with-optimize-option], 729 [Select the compiler options to use for optimized builds]),, 730 withval=default) 731 AC_MSG_CHECKING([optimization flags]) 732 case "$withval" in 733 default) 734 case "$llvm_cv_os_type" in 735 FreeBSD) optimize_option=-O2 ;; 736 MingW) optimize_option=-O2 ;; 737 *) optimize_option=-O3 ;; 738 esac ;; 739 *) optimize_option="$withval" ;; 740 esac 741 AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 742 AC_MSG_RESULT([$optimize_option]) 743 744 dnl Specify extra build options 745 AC_ARG_WITH(extra-options, 746 AS_HELP_STRING([--with-extra-options], 747 [Specify additional options to compile LLVM with]),, 748 withval=default) 749 case "$withval" in 750 default) EXTRA_OPTIONS= ;; 751 *) EXTRA_OPTIONS=$withval ;; 752 esac 753 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 754 755 dnl Specify extra linker build options 756 AC_ARG_WITH(extra-ld-options, 757 AS_HELP_STRING([--with-extra-ld-options], 758 [Specify additional options to link LLVM with]),, 759 withval=default) 760 case "$withval" in 761 default) EXTRA_LD_OPTIONS= ;; 762 *) EXTRA_LD_OPTIONS=$withval ;; 763 esac 764 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 765 766 dnl Allow specific bindings to be specified for building (or not) 767 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 768 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 769 enableval=default) 770 BINDINGS_TO_BUILD="" 771 case "$enableval" in 772 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 773 all ) BINDINGS_TO_BUILD="ocaml" ;; 774 none | no) BINDINGS_TO_BUILD="" ;; 775 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 776 case "$a_binding" in 777 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 778 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 779 esac 780 done 781 ;; 782 esac 783 784 dnl Allow the ocaml libdir to be overridden. This could go in a configure 785 dnl script for bindings/ocaml/configure, except that its auto value depends on 786 dnl OCAMLC, which is found here to support tests. 787 AC_ARG_WITH([ocaml-libdir], 788 [AS_HELP_STRING([--with-ocaml-libdir], 789 [Specify install location for ocaml bindings (default is stdlib)])], 790 [], 791 [withval=auto]) 792 case "$withval" in 793 auto) with_ocaml_libdir="$withval" ;; 794 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 795 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 796 esac 797 798 AC_ARG_WITH(clang-srcdir, 799 AS_HELP_STRING([--with-clang-srcdir], 800 [Directory to the out-of-tree Clang source]),, 801 withval="-") 802 case "$withval" in 803 -) clang_src_root="" ;; 804 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 805 *) clang_src_root="$ac_pwd/$withval" ;; 806 esac 807 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 808 809 AC_ARG_WITH(clang-resource-dir, 810 AS_HELP_STRING([--with-clang-resource-dir], 811 [Relative directory from the Clang binary for resource files]),, 812 withval="") 813 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 814 [Relative directory for resource files]) 815 816 AC_ARG_WITH(c-include-dirs, 817 AS_HELP_STRING([--with-c-include-dirs], 818 [Colon separated list of directories clang will search for headers]),, 819 withval="") 820 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 821 [Directories clang will search for headers]) 822 823 AC_ARG_WITH(cxx-include-root, 824 AS_HELP_STRING([--with-cxx-include-root], 825 [Directory with the libstdc++ headers.]),, 826 withval="") 827 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval", 828 [Directory with the libstdc++ headers.]) 829 830 AC_ARG_WITH(cxx-include-arch, 831 AS_HELP_STRING([--with-cxx-include-arch], 832 [Architecture of the libstdc++ headers.]),, 833 withval="") 834 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval", 835 [Arch the libstdc++ headers.]) 836 837 AC_ARG_WITH(cxx-include-32bit-dir, 838 AS_HELP_STRING([--with-cxx-include-32bit-dir], 839 [32 bit multilib dir.]),, 840 withval="") 841 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval", 842 [32 bit multilib directory.]) 843 844 AC_ARG_WITH(cxx-include-64bit-dir, 845 AS_HELP_STRING([--with-cxx-include-64bit-dir], 846 [64 bit multilib directory.]),, 847 withval="") 848 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval", 849 [64 bit multilib directory.]) 850 851 dnl Allow linking of LLVM with GPLv3 binutils code. 852 AC_ARG_WITH(binutils-include, 853 AS_HELP_STRING([--with-binutils-include], 854 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 855 withval=default) 856 case "$withval" in 857 default) WITH_BINUTILS_INCDIR=default ;; 858 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 859 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 860 esac 861 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 862 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 863 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 864 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 865 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 866 fi 867 fi 868 869 dnl Specify the URL where bug reports should be submitted. 870 AC_ARG_WITH(bug-report-url, 871 AS_HELP_STRING([--with-bug-report-url], 872 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 873 withval="http://llvm.org/bugs/") 874 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 875 [Bug report URL.]) 876 877 dnl --enable-libffi : check whether the user wants to turn off libffi: 878 AC_ARG_ENABLE(libffi,AS_HELP_STRING( 879 --enable-libffi,[Check for the presence of libffi (default is NO)]), 880 [case "$enableval" in 881 yes) llvm_cv_enable_libffi="yes" ;; 882 no) llvm_cv_enable_libffi="no" ;; 883 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 884 esac], 885 llvm_cv_enable_libffi=no) 886 887 dnl===-----------------------------------------------------------------------=== 888 dnl=== 889 dnl=== SECTION 4: Check for programs we need and that they are the right version 890 dnl=== 891 dnl===-----------------------------------------------------------------------=== 892 893 AC_PROG_NM 894 AC_SUBST(NM) 895 896 dnl Check for the tools that the makefiles require 897 AC_CHECK_GNU_MAKE 898 AC_PROG_LN_S 899 AC_PATH_PROG(CMP, [cmp], [cmp]) 900 AC_PATH_PROG(CP, [cp], [cp]) 901 AC_PATH_PROG(DATE, [date], [date]) 902 AC_PATH_PROG(FIND, [find], [find]) 903 AC_PATH_PROG(GREP, [grep], [grep]) 904 AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 905 AC_PATH_PROG(MV, [mv], [mv]) 906 AC_PROG_RANLIB 907 AC_CHECK_TOOL(AR, ar, false) 908 AC_PATH_PROG(RM, [rm], [rm]) 909 AC_PATH_PROG(SED, [sed], [sed]) 910 AC_PATH_PROG(TAR, [tar], [gtar]) 911 AC_PATH_PROG(BINPWD,[pwd], [pwd]) 912 913 dnl Looking for misc. graph plotting software 914 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 915 if test "$GRAPHVIZ" != "echo Graphviz" ; then 916 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 917 dnl If we're targeting for mingw we should emit windows paths, not msys 918 if test "$llvm_cv_os_type" = "MingW" ; then 919 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 920 fi 921 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 922 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 923 fi 924 AC_PATH_PROG(DOT, [dot], [echo dot]) 925 if test "$DOT" != "echo dot" ; then 926 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 927 dnl If we're targeting for mingw we should emit windows paths, not msys 928 if test "$llvm_cv_os_type" = "MingW" ; then 929 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 930 fi 931 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 932 [Define to path to dot program if found or 'echo dot' otherwise]) 933 fi 934 AC_PATH_PROG(FDP, [fdp], [echo fdp]) 935 if test "$FDP" != "echo fdp" ; then 936 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 937 dnl If we're targeting for mingw we should emit windows paths, not msys 938 if test "$llvm_cv_os_type" = "MingW" ; then 939 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 940 fi 941 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 942 [Define to path to fdp program if found or 'echo fdp' otherwise]) 943 fi 944 AC_PATH_PROG(NEATO, [neato], [echo neato]) 945 if test "$NEATO" != "echo neato" ; then 946 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 947 dnl If we're targeting for mingw we should emit windows paths, not msys 948 if test "$llvm_cv_os_type" = "MingW" ; then 949 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 950 fi 951 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 952 [Define to path to neato program if found or 'echo neato' otherwise]) 953 fi 954 AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 955 if test "$TWOPI" != "echo twopi" ; then 956 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 957 dnl If we're targeting for mingw we should emit windows paths, not msys 958 if test "$llvm_cv_os_type" = "MingW" ; then 959 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 960 fi 961 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 962 [Define to path to twopi program if found or 'echo twopi' otherwise]) 963 fi 964 AC_PATH_PROG(CIRCO, [circo], [echo circo]) 965 if test "$CIRCO" != "echo circo" ; then 966 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 967 dnl If we're targeting for mingw we should emit windows paths, not msys 968 if test "$llvm_cv_os_type" = "MingW" ; then 969 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 970 fi 971 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 972 [Define to path to circo program if found or 'echo circo' otherwise]) 973 fi 974 AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 975 if test "$GV" != "echo gv" ; then 976 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 977 dnl If we're targeting for mingw we should emit windows paths, not msys 978 if test "$llvm_cv_os_type" = "MingW" ; then 979 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 980 fi 981 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 982 [Define to path to gv program if found or 'echo gv' otherwise]) 983 fi 984 AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 985 if test "$DOTTY" != "echo dotty" ; then 986 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 987 dnl If we're targeting for mingw we should emit windows paths, not msys 988 if test "$llvm_cv_os_type" = "MingW" ; then 989 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 990 fi 991 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 992 [Define to path to dotty program if found or 'echo dotty' otherwise]) 993 fi 994 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py]) 995 if test "$XDOT_PY" != "echo xdot.py" ; then 996 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) 997 dnl If we're targeting for mingw we should emit windows paths, not msys 998 if test "$llvm_cv_os_type" = "MingW" ; then 999 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1000 fi 1001 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}", 1002 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise]) 1003 fi 1004 1005 dnl Look for a sufficiently recent version of Perl. 1006 LLVM_PROG_PERL([5.006]) 1007 AC_SUBST(PERL) 1008 if test x"$PERL" = xnone; then 1009 AC_SUBST(HAVE_PERL,0) 1010 AC_MSG_ERROR([perl is required but was not found, please install it]) 1011 else 1012 AC_SUBST(HAVE_PERL,1) 1013 fi 1014 1015 dnl Find the install program 1016 AC_PROG_INSTALL 1017 dnl Prepend src dir to install path dir if it's a relative path 1018 dnl This is a hack for installs that take place in something other 1019 dnl than the top level. 1020 case "$INSTALL" in 1021 [[\\/$]]* | ?:[[\\/]]* ) ;; 1022 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1023 esac 1024 1025 dnl Checks for documentation and testing tools that we can do without. If these 1026 dnl are not found then they are set to "true" which always succeeds but does 1027 dnl nothing. This just lets the build output show that we could have done 1028 dnl something if the tool was available. 1029 AC_PATH_PROG(BZIP2, [bzip2]) 1030 AC_PATH_PROG(CAT, [cat]) 1031 AC_PATH_PROG(DOXYGEN, [doxygen]) 1032 AC_PATH_PROG(GROFF, [groff]) 1033 AC_PATH_PROG(GZIPBIN, [gzip]) 1034 AC_PATH_PROG(POD2HTML, [pod2html]) 1035 AC_PATH_PROG(POD2MAN, [pod2man]) 1036 AC_PATH_PROG(PDFROFF, [pdfroff]) 1037 AC_PATH_PROG(RUNTEST, [runtest]) 1038 DJ_AC_PATH_TCLSH 1039 AC_PATH_PROG(ZIP, [zip]) 1040 AC_PATH_PROGS(OCAMLC, [ocamlc]) 1041 AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1042 AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1043 AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1044 AC_PATH_PROGS(GAS, [gas as]) 1045 1046 dnl Get the version of the linker in use. 1047 AC_LINK_GET_VERSION 1048 1049 dnl Determine whether the linker supports the -R option. 1050 AC_LINK_USE_R 1051 1052 dnl Determine whether the linker supports the -export-dynamic option. 1053 AC_LINK_EXPORT_DYNAMIC 1054 1055 dnl Determine whether the linker supports the --version-script option. 1056 AC_LINK_VERSION_SCRIPT 1057 1058 dnl Check for libtool and the library that has dlopen function (which must come 1059 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1060 dnl libtool). 1061 AC_LIBTOOL_DLOPEN 1062 AC_LIB_LTDL 1063 1064 AC_MSG_CHECKING([tool compatibility]) 1065 1066 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1067 dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1068 dnl to support those options. 1069 dnl "icc" emits gcc signatures 1070 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1071 ICC=no 1072 IXX=no 1073 case $CC in 1074 icc*|icpc*) 1075 ICC=yes 1076 IXX=yes 1077 ;; 1078 *) 1079 ;; 1080 esac 1081 1082 if test "$GCC" != "yes" && test "$ICC" != "yes" 1083 then 1084 AC_MSG_ERROR([gcc|icc required but not found]) 1085 fi 1086 1087 dnl Ensure that compilation tools are compatible with GCC extensions 1088 if test "$GXX" != "yes" && test "$IXX" != "yes" 1089 then 1090 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1091 fi 1092 1093 dnl Verify that GCC is version 3.0 or higher 1094 if test "$GCC" = "yes" 1095 then 1096 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 1097 #error Unsupported GCC version 1098 #endif 1099 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1100 fi 1101 1102 dnl Check for GNU Make. We use its extensions, so don't build without it 1103 if test -z "$llvm_cv_gnu_make_command" 1104 then 1105 AC_MSG_ERROR([GNU Make required but not found]) 1106 fi 1107 1108 dnl Tool compatibility is okay if we make it here. 1109 AC_MSG_RESULT([ok]) 1110 1111 dnl Check optional compiler flags. 1112 AC_MSG_CHECKING([optional compiler flags]) 1113 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1114 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1115 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS]) 1116 1117 dnl===-----------------------------------------------------------------------=== 1118 dnl=== 1119 dnl=== SECTION 5: Check for libraries 1120 dnl=== 1121 dnl===-----------------------------------------------------------------------=== 1122 1123 AC_CHECK_LIB(m,sin) 1124 if test "$llvm_cv_os_type" = "MingW" ; then 1125 AC_CHECK_LIB(imagehlp, main) 1126 AC_CHECK_LIB(psapi, main) 1127 fi 1128 1129 dnl dlopen() is required for plugin support. 1130 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1131 [Define if dlopen() is available on this platform.]), 1132 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1133 1134 dnl libffi is optional; used to call external functions from the interpreter 1135 if test "$llvm_cv_enable_libffi" = "yes" ; then 1136 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1137 [Define if libffi is available on this platform.]), 1138 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1139 fi 1140 1141 dnl mallinfo is optional; the code can compile (minus features) without it 1142 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1143 [Define if mallinfo() is available on this platform.])) 1144 1145 dnl pthread locking functions are optional - but llvm will not be thread-safe 1146 dnl without locks. 1147 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1148 AC_CHECK_LIB(pthread, pthread_mutex_init) 1149 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1150 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1151 [Have pthread_mutex_lock])) 1152 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1153 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1154 [Have pthread_rwlock_init])) 1155 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1156 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1157 [Have pthread_getspecific])) 1158 fi 1159 1160 dnl Allow extra x86-disassembler library 1161 AC_ARG_WITH(udis86, 1162 AS_HELP_STRING([--with-udis86=<path>], 1163 [Use udis86 external x86 disassembler library]), 1164 [ 1165 AC_SUBST(USE_UDIS86, [1]) 1166 case "$withval" in 1167 /usr/lib|yes) ;; 1168 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1169 esac 1170 AC_CHECK_LIB(udis86, ud_init, [], [ 1171 echo "Error! You need to have libudis86 around." 1172 exit -1 1173 ]) 1174 ], 1175 AC_SUBST(USE_UDIS86, [0])) 1176 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1177 [Define if use udis86 library]) 1178 1179 dnl Allow OProfile support for JIT output. 1180 AC_ARG_WITH(oprofile, 1181 AS_HELP_STRING([--with-oprofile=<prefix>], 1182 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1183 [ 1184 AC_SUBST(USE_OPROFILE, [1]) 1185 case "$withval" in 1186 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1187 no) llvm_cv_oppath= 1188 AC_SUBST(USE_OPROFILE, [0]) ;; 1189 *) llvm_cv_oppath="${withval}/lib/oprofile" 1190 CPPFLAGS="-I${withval}/include";; 1191 esac 1192 if test -n "$llvm_cv_oppath" ; then 1193 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1194 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1195 dnl libbfd is not included properly in libopagent in some Debian 1196 dnl versions. If libbfd isn't found at all, we assume opagent works 1197 dnl anyway. 1198 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1199 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1200 echo "Error! You need to have libopagent around." 1201 exit -1 1202 ]) 1203 AC_CHECK_HEADER([opagent.h], [], [ 1204 echo "Error! You need to have opagent.h around." 1205 exit -1 1206 ]) 1207 fi 1208 ], 1209 [ 1210 AC_SUBST(USE_OPROFILE, [0]) 1211 ]) 1212 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE, 1213 [Define if we have the oprofile JIT-support library]) 1214 1215 dnl===-----------------------------------------------------------------------=== 1216 dnl=== 1217 dnl=== SECTION 6: Check for header files 1218 dnl=== 1219 dnl===-----------------------------------------------------------------------=== 1220 1221 dnl First, use autoconf provided macros for specific headers that we need 1222 dnl We don't check for ancient stuff or things that are guaranteed to be there 1223 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1224 dnl Generally we're looking for POSIX headers. 1225 AC_HEADER_DIRENT 1226 AC_HEADER_MMAP_ANONYMOUS 1227 AC_HEADER_STAT 1228 AC_HEADER_SYS_WAIT 1229 AC_HEADER_TIME 1230 1231 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) 1232 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1233 AC_CHECK_HEADERS([utime.h windows.h]) 1234 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1235 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) 1236 AC_CHECK_HEADERS([valgrind/valgrind.h]) 1237 AC_CHECK_HEADERS([fenv.h]) 1238 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1239 AC_CHECK_HEADERS(pthread.h, 1240 AC_SUBST(HAVE_PTHREAD, 1), 1241 AC_SUBST(HAVE_PTHREAD, 0)) 1242 else 1243 AC_SUBST(HAVE_PTHREAD, 0) 1244 fi 1245 1246 dnl Try to find ffi.h. 1247 if test "$llvm_cv_enable_libffi" = "yes" ; then 1248 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1249 fi 1250 1251 dnl Try to find Darwin specific crash reporting libraries. 1252 AC_CHECK_HEADERS([CrashReporterClient.h]) 1253 1254 dnl Try to find Darwin specific crash reporting global. 1255 AC_MSG_CHECKING([__crashreporter_info__]) 1256 AC_LINK_IFELSE( 1257 AC_LANG_SOURCE( 1258 [[extern const char *__crashreporter_info__; 1259 int main() { 1260 __crashreporter_info__ = "test"; 1261 return 0; 1262 } 1263 ]]), 1264 AC_MSG_RESULT(yes) 1265 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__), 1266 AC_MSG_RESULT(no) 1267 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0, 1268 Define if __crashreporter_info__ exists.)) 1269 1270 dnl===-----------------------------------------------------------------------=== 1271 dnl=== 1272 dnl=== SECTION 7: Check for types and structures 1273 dnl=== 1274 dnl===-----------------------------------------------------------------------=== 1275 1276 AC_HUGE_VAL_CHECK 1277 AC_TYPE_PID_T 1278 AC_TYPE_SIZE_T 1279 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1280 AC_STRUCT_TM 1281 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1282 AC_CHECK_TYPES([uint64_t],, 1283 AC_CHECK_TYPES([u_int64_t],, 1284 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1285 1286 dnl===-----------------------------------------------------------------------=== 1287 dnl=== 1288 dnl=== SECTION 8: Check for specific functions needed 1289 dnl=== 1290 dnl===-----------------------------------------------------------------------=== 1291 1292 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1293 AC_CHECK_FUNCS([powf fmodf strtof round ]) 1294 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1295 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1296 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ]) 1297 AC_CHECK_FUNCS([strerror strerror_r setenv ]) 1298 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1299 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1300 AC_C_PRINTF_A 1301 AC_FUNC_RAND48 1302 1303 dnl Check the declaration "Secure API" on Windows environments. 1304 AC_CHECK_DECLS([strerror_s]) 1305 1306 dnl Check symbols in libgcc.a for JIT on Mingw. 1307 if test "$llvm_cv_os_type" = "MingW" ; then 1308 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1309 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1310 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1311 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1312 1313 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1314 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1315 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1316 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1317 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1318 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1319 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1320 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1321 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1322 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1323 1324 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1325 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1326 fi 1327 1328 dnl Check Win32 API EnumerateLoadedModules. 1329 if test "$llvm_cv_os_type" = "MingW" ; then 1330 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1331 AC_COMPILE_IFELSE([[#include <windows.h> 1332 #include <imagehlp.h> 1333 extern void foo(PENUMLOADED_MODULES_CALLBACK); 1334 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], 1335 [ 1336 AC_MSG_RESULT([yes]) 1337 llvm_cv_win32_elmcb_pcstr="PCSTR" 1338 ], 1339 [ 1340 AC_MSG_RESULT([no]) 1341 llvm_cv_win32_elmcb_pcstr="PSTR" 1342 ]) 1343 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1344 fi 1345 1346 dnl Check for variations in the Standard C++ library and STL. These macros are 1347 dnl provided by LLVM in the autoconf/m4 directory. 1348 AC_FUNC_ISNAN 1349 AC_FUNC_ISINF 1350 1351 dnl Check for mmap support.We also need to know if /dev/zero is required to 1352 dnl be opened for allocating RWX memory. 1353 dnl Make sure we aren't attempting to configure for an unknown system 1354 if test "$llvm_cv_platform_type" = "Unix" ; then 1355 AC_FUNC_MMAP 1356 AC_FUNC_MMAP_FILE 1357 AC_NEED_DEV_ZERO_FOR_MMAP 1358 1359 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1360 then 1361 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1362 fi 1363 if test "$ac_cv_func_mmap_file" = "no" 1364 then 1365 AC_MSG_WARN([mmap() of files required but not found]) 1366 fi 1367 fi 1368 1369 dnl atomic builtins are required for threading support. 1370 AC_MSG_CHECKING(for GCC atomic builtins) 1371 dnl Since we'll be using these atomic builtins in C++ files we should test 1372 dnl the C++ compiler. 1373 AC_LANG_PUSH([C++]) 1374 AC_LINK_IFELSE( 1375 AC_LANG_SOURCE( 1376 [[int main() { 1377 volatile unsigned long val = 1; 1378 __sync_synchronize(); 1379 __sync_val_compare_and_swap(&val, 1, 0); 1380 __sync_add_and_fetch(&val, 1); 1381 __sync_sub_and_fetch(&val, 1); 1382 return 0; 1383 } 1384 ]]), 1385 AC_LANG_POP([C++]) 1386 AC_MSG_RESULT(yes) 1387 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics), 1388 AC_MSG_RESULT(no) 1389 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics) 1390 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) 1391 1392 dnl===-----------------------------------------------------------------------=== 1393 dnl=== 1394 dnl=== SECTION 9: Additional checks, variables, etc. 1395 dnl=== 1396 dnl===-----------------------------------------------------------------------=== 1397 1398 dnl Handle 32-bit linux systems running a 64-bit kernel. 1399 dnl This has to come after section 4 because it invokes the compiler. 1400 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1401 AC_IS_LINUX_MIXED 1402 if test "$llvm_cv_linux_mixed" = "yes"; then 1403 llvm_cv_target_arch="x86" 1404 ARCH="x86" 1405 fi 1406 fi 1407 1408 dnl Check whether __dso_handle is present 1409 AC_CHECK_FUNCS([__dso_handle]) 1410 1411 dnl Propagate the shared library extension that the libltdl checks did to 1412 dnl the Makefiles so we can use it there too 1413 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1414 1415 dnl Propagate the run-time library path variable that the libltdl 1416 dnl checks found to the Makefiles so we can use it there too 1417 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1418 1419 # Translate the various configuration directories and other basic 1420 # information into substitutions that will end up in Makefile.config.in 1421 # that these configured values can be used by the makefiles 1422 if test "${prefix}" = "NONE" ; then 1423 prefix="/usr/local" 1424 fi 1425 eval LLVM_PREFIX="${prefix}"; 1426 eval LLVM_BINDIR="${prefix}/bin"; 1427 eval LLVM_LIBDIR="${prefix}/lib"; 1428 eval LLVM_DATADIR="${prefix}/share/llvm"; 1429 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1430 eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1431 eval LLVM_INCLUDEDIR="${prefix}/include"; 1432 eval LLVM_INFODIR="${prefix}/info"; 1433 eval LLVM_MANDIR="${prefix}/man"; 1434 LLVM_CONFIGTIME=`date` 1435 AC_SUBST(LLVM_PREFIX) 1436 AC_SUBST(LLVM_BINDIR) 1437 AC_SUBST(LLVM_LIBDIR) 1438 AC_SUBST(LLVM_DATADIR) 1439 AC_SUBST(LLVM_DOCSDIR) 1440 AC_SUBST(LLVM_ETCDIR) 1441 AC_SUBST(LLVM_INCLUDEDIR) 1442 AC_SUBST(LLVM_INFODIR) 1443 AC_SUBST(LLVM_MANDIR) 1444 AC_SUBST(LLVM_CONFIGTIME) 1445 1446 # Place the various directores into the config.h file as #defines so that we 1447 # can know about the installation paths within LLVM. 1448 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1449 [Installation prefix directory]) 1450 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1451 [Installation directory for binary executables]) 1452 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", 1453 [Installation directory for libraries]) 1454 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1455 [Installation directory for data files]) 1456 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1457 [Installation directory for documentation]) 1458 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1459 [Installation directory for config files]) 1460 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1461 [Installation directory for include files]) 1462 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1463 [Installation directory for .info files]) 1464 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1465 [Installation directory for man pages]) 1466 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1467 [Time at which LLVM was configured]) 1468 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host", 1469 [Host triple we were built on]) 1470 1471 # Determine which bindings to build. 1472 if test "$BINDINGS_TO_BUILD" = auto ; then 1473 BINDINGS_TO_BUILD="" 1474 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1475 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1476 fi 1477 fi 1478 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1479 1480 # This isn't really configurey, but it avoids having to repeat the list in 1481 # other files. 1482 AC_SUBST(ALL_BINDINGS,ocaml) 1483 1484 # Do any work necessary to ensure that bindings have what they need. 1485 binding_prereqs_failed=0 1486 for a_binding in $BINDINGS_TO_BUILD ; do 1487 case "$a_binding" in 1488 ocaml) 1489 if test "x$OCAMLC" = x ; then 1490 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1491 binding_prereqs_failed=1 1492 fi 1493 if test "x$OCAMLDEP" = x ; then 1494 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1495 binding_prereqs_failed=1 1496 fi 1497 if test "x$OCAMLOPT" = x ; then 1498 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1499 dnl ocamlopt is optional! 1500 fi 1501 if test "x$with_ocaml_libdir" != xauto ; then 1502 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1503 else 1504 ocaml_stdlib="`"$OCAMLC" -where`" 1505 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1506 then 1507 # ocaml stdlib is beneath our prefix; use stdlib 1508 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1509 else 1510 # ocaml stdlib is outside our prefix; use libdir/ocaml 1511 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) 1512 fi 1513 fi 1514 ;; 1515 esac 1516 done 1517 if test "$binding_prereqs_failed" = 1 ; then 1518 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1519 fi 1520 1521 dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1522 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1523 1524 dnl Determine linker rpath flag 1525 if test "$llvm_cv_link_use_r" = "yes" ; then 1526 RPATH="-Wl,-R" 1527 else 1528 RPATH="-Wl,-rpath" 1529 fi 1530 AC_SUBST(RPATH) 1531 1532 dnl Determine linker rdynamic flag 1533 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1534 RDYNAMIC="-Wl,-export-dynamic" 1535 else 1536 RDYNAMIC="" 1537 fi 1538 AC_SUBST(RDYNAMIC) 1539 1540 dnl===-----------------------------------------------------------------------=== 1541 dnl=== 1542 dnl=== SECTION 10: Specify the output files and generate it 1543 dnl=== 1544 dnl===-----------------------------------------------------------------------=== 1545 1546 dnl Configure header files 1547 dnl WARNING: dnl If you add or remove any of the following config headers, then 1548 dnl you MUST also update Makefile.rules so that the variable FilesToConfig 1549 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1550 dnl files can be updated automatically when their *.in sources change. 1551 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1552 AH_TOP([#ifndef CONFIG_H 1553 #define CONFIG_H]) 1554 AH_BOTTOM([#endif]) 1555 1556 AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1557 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1558 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1559 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1560 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1561 1562 dnl Configure the makefile's configuration data 1563 AC_CONFIG_FILES([Makefile.config]) 1564 1565 dnl Configure the RPM spec file for LLVM 1566 AC_CONFIG_FILES([llvm.spec]) 1567 1568 dnl Configure doxygen's configuration file 1569 AC_CONFIG_FILES([docs/doxygen.cfg]) 1570 if test -f ${srcdir}/tools/clang/README.txt; then 1571 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg]) 1572 fi 1573 1574 dnl Do the first stage of configuration for llvm-config.in. 1575 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in]) 1576 1577 dnl OCaml findlib META file 1578 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 1579 1580 dnl Do special configuration of Makefiles 1581 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1582 AC_CONFIG_MAKEFILE(Makefile) 1583 AC_CONFIG_MAKEFILE(Makefile.common) 1584 AC_CONFIG_MAKEFILE(examples/Makefile) 1585 AC_CONFIG_MAKEFILE(lib/Makefile) 1586 AC_CONFIG_MAKEFILE(runtime/Makefile) 1587 AC_CONFIG_MAKEFILE(test/Makefile) 1588 AC_CONFIG_MAKEFILE(test/Makefile.tests) 1589 AC_CONFIG_MAKEFILE(unittests/Makefile) 1590 AC_CONFIG_MAKEFILE(tools/Makefile) 1591 AC_CONFIG_MAKEFILE(utils/Makefile) 1592 AC_CONFIG_MAKEFILE(projects/Makefile) 1593 AC_CONFIG_MAKEFILE(bindings/Makefile) 1594 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1595 1596 dnl Finally, crank out the output 1597 AC_OUTPUT 1598
