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]],[[3.0svn]],[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 2.59 or later. Ths is needed because we 42 dnl use some autoconf macros only available in 2.59. 43 AC_PREREQ(2.59) 44 45 dnl Verify that the source directory is valid. This makes sure that we are 46 dnl configuring LLVM and not some other package (it validates --srcdir argument) 47 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp]) 48 49 dnl Place all of the extra autoconf files into the config subdirectory. Tell 50 dnl various tools where the m4 autoconf macros are. 51 AC_CONFIG_AUX_DIR([autoconf]) 52 53 dnl Quit if the source directory has already been configured. 54 dnl NOTE: This relies upon undocumented autoconf behavior. 55 if test ${srcdir} != "." ; then 56 if test -f ${srcdir}/include/llvm/Config/config.h ; then 57 AC_MSG_ERROR([Already configured in ${srcdir}]) 58 fi 59 fi 60 61 dnl Configure all of the projects present in our source tree. While we could 62 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 63 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 64 dnl Instead we match on the known projects. 65 66 dnl 67 dnl One tricky part of doing this is that some projects depend upon other 68 dnl projects. For example, several projects rely upon the LLVM test suite. 69 dnl We want to configure those projects first so that their object trees are 70 dnl created before running the configure scripts of projects that depend upon 71 dnl them. 72 dnl 73 74 dnl Several projects use llvm-gcc, so configure that first 75 if test -d ${srcdir}/projects/llvm-gcc ; then 76 AC_CONFIG_SUBDIRS([projects/llvm-gcc]) 77 fi 78 79 dnl Several projects use the LLVM test suite, so configure it next. 80 if test -d ${srcdir}/projects/test-suite ; then 81 AC_CONFIG_SUBDIRS([projects/test-suite]) 82 fi 83 84 dnl llvm-test is the old name of the test-suite, kept here for backwards 85 dnl compatibility 86 if test -d ${srcdir}/projects/llvm-test ; then 87 AC_CONFIG_SUBDIRS([projects/llvm-test]) 88 fi 89 90 dnl Some projects use poolalloc; configure that next 91 if test -d ${srcdir}/projects/poolalloc ; then 92 AC_CONFIG_SUBDIRS([projects/poolalloc]) 93 fi 94 95 if test -d ${srcdir}/projects/llvm-poolalloc ; then 96 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 97 fi 98 99 dnl Check for all other projects 100 for i in `ls ${srcdir}/projects` 101 do 102 if test -d ${srcdir}/projects/${i} ; then 103 case ${i} in 104 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; 105 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 106 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; 107 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 108 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 109 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 110 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 111 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 112 llvm-gcc) ;; 113 test-suite) ;; 114 llvm-test) ;; 115 poolalloc) ;; 116 llvm-poolalloc) ;; 117 *) 118 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 119 ;; 120 esac 121 fi 122 done 123 124 dnl Disable the build of polly, even if it is checked out into tools/polly. 125 AC_ARG_ENABLE(polly, 126 AS_HELP_STRING([--enable-polly], 127 [Use polly if available (default is YES)]),, 128 enableval=default) 129 case "$enableval" in 130 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 131 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 132 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 133 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 134 esac 135 136 137 dnl Check if polly is checked out into tools/polly and configure it if 138 dnl available. 139 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 140 AC_SUBST(LLVM_HAS_POLLY,1) 141 AC_CONFIG_SUBDIRS([tools/polly]) 142 fi 143 144 dnl===-----------------------------------------------------------------------=== 145 dnl=== 146 dnl=== SECTION 2: Architecture, target, and host checks 147 dnl=== 148 dnl===-----------------------------------------------------------------------=== 149 150 dnl Check the target for which we're compiling and the host that will do the 151 dnl compilations. This will tell us which LLVM compiler will be used for 152 dnl compiling SSA into object code. This needs to be done early because 153 dnl following tests depend on it. 154 AC_CANONICAL_TARGET 155 156 dnl Determine the platform type and cache its value. This helps us configure 157 dnl the System library to the correct build platform. 158 AC_CACHE_CHECK([type of operating system we're going to host on], 159 [llvm_cv_os_type], 160 [case $host in 161 *-*-aix*) 162 llvm_cv_link_all_option="-Wl,--whole-archive" 163 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 164 llvm_cv_os_type="AIX" 165 llvm_cv_platform_type="Unix" ;; 166 *-*-irix*) 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="IRIX" 170 llvm_cv_platform_type="Unix" ;; 171 *-*-cygwin*) 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="Cygwin" 175 llvm_cv_platform_type="Unix" ;; 176 *-*-darwin*) 177 llvm_cv_link_all_option="-Wl,-all_load" 178 llvm_cv_no_link_all_option="-Wl,-noall_load" 179 llvm_cv_os_type="Darwin" 180 llvm_cv_platform_type="Unix" ;; 181 *-*-minix*) 182 llvm_cv_link_all_option="-Wl,-all_load" 183 llvm_cv_no_link_all_option="-Wl,-noall_load" 184 llvm_cv_os_type="Minix" 185 llvm_cv_platform_type="Unix" ;; 186 *-*-freebsd*) 187 llvm_cv_link_all_option="-Wl,--whole-archive" 188 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 189 llvm_cv_os_type="FreeBSD" 190 llvm_cv_platform_type="Unix" ;; 191 *-*-openbsd*) 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="OpenBSD" 195 llvm_cv_platform_type="Unix" ;; 196 *-*-netbsd*) 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="NetBSD" 200 llvm_cv_platform_type="Unix" ;; 201 *-*-dragonfly*) 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="DragonFly" 205 llvm_cv_platform_type="Unix" ;; 206 *-*-hpux*) 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="HP-UX" 210 llvm_cv_platform_type="Unix" ;; 211 *-*-interix*) 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="Interix" 215 llvm_cv_platform_type="Unix" ;; 216 *-*-linux*) 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="Linux" 220 llvm_cv_platform_type="Unix" ;; 221 *-*-solaris*) 222 llvm_cv_link_all_option="-Wl,-z,allextract" 223 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 224 llvm_cv_os_type="SunOS" 225 llvm_cv_platform_type="Unix" ;; 226 *-*-auroraux*) 227 llvm_cv_link_all_option="-Wl,-z,allextract" 228 llvm_cv_link_all_option="-Wl,-z,defaultextract" 229 llvm_cv_os_type="AuroraUX" 230 llvm_cv_platform_type="Unix" ;; 231 *-*-win32*) 232 llvm_cv_link_all_option="-Wl,--whole-archive" 233 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 234 llvm_cv_os_type="Win32" 235 llvm_cv_platform_type="Win32" ;; 236 *-*-mingw*) 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="MingW" 240 llvm_cv_platform_type="Win32" ;; 241 *-*-haiku*) 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="Haiku" 245 llvm_cv_platform_type="Unix" ;; 246 *-unknown-eabi*) 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="Freestanding" 250 llvm_cv_platform_type="Unix" ;; 251 *-unknown-elf*) 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 *) 257 llvm_cv_link_all_option="" 258 llvm_cv_no_link_all_option="" 259 llvm_cv_os_type="Unknown" 260 llvm_cv_platform_type="Unknown" ;; 261 esac]) 262 263 AC_CACHE_CHECK([type of operating system we're going to target], 264 [llvm_cv_target_os_type], 265 [case $target in 266 *-*-aix*) 267 llvm_cv_target_os_type="AIX" ;; 268 *-*-irix*) 269 llvm_cv_target_os_type="IRIX" ;; 270 *-*-cygwin*) 271 llvm_cv_target_os_type="Cygwin" ;; 272 *-*-darwin*) 273 llvm_cv_target_os_type="Darwin" ;; 274 *-*-minix*) 275 llvm_cv_target_os_type="Minix" ;; 276 *-*-freebsd*) 277 llvm_cv_target_os_type="FreeBSD" ;; 278 *-*-openbsd*) 279 llvm_cv_target_os_type="OpenBSD" ;; 280 *-*-netbsd*) 281 llvm_cv_target_os_type="NetBSD" ;; 282 *-*-dragonfly*) 283 llvm_cv_target_os_type="DragonFly" ;; 284 *-*-hpux*) 285 llvm_cv_target_os_type="HP-UX" ;; 286 *-*-interix*) 287 llvm_cv_target_os_type="Interix" ;; 288 *-*-linux*) 289 llvm_cv_target_os_type="Linux" ;; 290 *-*-solaris*) 291 llvm_cv_target_os_type="SunOS" ;; 292 *-*-auroraux*) 293 llvm_cv_target_os_type="AuroraUX" ;; 294 *-*-win32*) 295 llvm_cv_target_os_type="Win32" ;; 296 *-*-mingw*) 297 llvm_cv_target_os_type="MingW" ;; 298 *-*-haiku*) 299 llvm_cv_target_os_type="Haiku" ;; 300 *-*-rtems*) 301 llvm_cv_target_os_type="RTEMS" ;; 302 *-unknown-eabi*) 303 llvm_cv_target_os_type="Freestanding" ;; 304 *) 305 llvm_cv_target_os_type="Unknown" ;; 306 esac]) 307 308 dnl Make sure we aren't attempting to configure for an unknown system 309 if test "$llvm_cv_os_type" = "Unknown" ; then 310 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 311 fi 312 313 dnl Set the "OS" Makefile variable based on the platform type so the 314 dnl makefile can configure itself to specific build hosts 315 AC_SUBST(OS,$llvm_cv_os_type) 316 AC_SUBST(HOST_OS,$llvm_cv_os_type) 317 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 318 319 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 320 AC_SUBST(LINKALL,$llvm_cv_link_all_option) 321 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 322 323 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 324 dnl This is used by lib/Support to determine the basic kind of implementation 325 dnl to use. 326 case $llvm_cv_platform_type in 327 Unix) 328 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 329 AC_SUBST(LLVM_ON_UNIX,[1]) 330 AC_SUBST(LLVM_ON_WIN32,[0]) 331 ;; 332 Win32) 333 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 334 AC_SUBST(LLVM_ON_UNIX,[0]) 335 AC_SUBST(LLVM_ON_WIN32,[1]) 336 ;; 337 esac 338 339 dnl Determine what our target architecture is and configure accordingly. 340 dnl This will allow Makefiles to make a distinction between the hardware and 341 dnl the OS. 342 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 343 [case $target in 344 i?86-*) llvm_cv_target_arch="x86" ;; 345 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 346 sparc*-*) llvm_cv_target_arch="Sparc" ;; 347 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 348 alpha*-*) llvm_cv_target_arch="Alpha" ;; 349 arm*-*) llvm_cv_target_arch="ARM" ;; 350 mips-*) llvm_cv_target_arch="Mips" ;; 351 xcore-*) llvm_cv_target_arch="XCore" ;; 352 msp430-*) llvm_cv_target_arch="MSP430" ;; 353 s390x-*) llvm_cv_target_arch="SystemZ" ;; 354 bfin-*) llvm_cv_target_arch="Blackfin" ;; 355 mblaze-*) llvm_cv_target_arch="MBlaze" ;; 356 ptx-*) llvm_cv_target_arch="PTX" ;; 357 *) llvm_cv_target_arch="Unknown" ;; 358 esac]) 359 360 if test "$llvm_cv_target_arch" = "Unknown" ; then 361 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 362 fi 363 364 # Determine the LLVM native architecture for the target 365 case "$llvm_cv_target_arch" in 366 x86) LLVM_NATIVE_ARCH="X86" ;; 367 x86_64) LLVM_NATIVE_ARCH="X86" ;; 368 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 369 esac 370 371 dnl Define a substitution, ARCH, for the target architecture 372 AC_SUBST(ARCH,$llvm_cv_target_arch) 373 374 dnl Check for the endianness of the target 375 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 376 377 dnl Check for build platform executable suffix if we're crosscompiling 378 if test "$cross_compiling" = yes; then 379 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 380 AC_BUILD_EXEEXT 381 ac_build_prefix=${build_alias}- 382 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 383 if test -z "$BUILD_CXX"; then 384 AC_CHECK_PROG(BUILD_CXX, g++, g++) 385 if test -z "$BUILD_CXX"; then 386 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 387 fi 388 fi 389 else 390 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 391 fi 392 393 dnl Check to see if there's a .svn or .git directory indicating that this 394 dnl build is being done from a checkout. This sets up several defaults for 395 dnl the command line switches. When we build with a checkout directory, 396 dnl we get a debug with assertions turned on. Without, we assume a source 397 dnl release and we get an optimized build without assertions. 398 dnl See --enable-optimized and --enable-assertions below 399 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 400 cvsbuild="yes" 401 optimize="no" 402 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 403 else 404 cvsbuild="no" 405 optimize="yes" 406 fi 407 408 dnl===-----------------------------------------------------------------------=== 409 dnl=== 410 dnl=== SECTION 3: Command line arguments for the configure script. 411 dnl=== 412 dnl===-----------------------------------------------------------------------=== 413 414 dnl --enable-optimized : check whether they want to do an optimized build: 415 AC_ARG_ENABLE(optimized, AS_HELP_STRING( 416 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 417 if test ${enableval} = "no" ; then 418 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 419 else 420 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 421 fi 422 423 dnl --enable-profiling : check whether they want to do a profile build: 424 AC_ARG_ENABLE(profiling, AS_HELP_STRING( 425 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 426 if test ${enableval} = "no" ; then 427 AC_SUBST(ENABLE_PROFILING,[[]]) 428 else 429 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 430 fi 431 432 dnl --enable-assertions : check whether they want to turn on assertions or not: 433 AC_ARG_ENABLE(assertions,AS_HELP_STRING( 434 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 435 if test ${enableval} = "yes" ; then 436 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 437 else 438 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 439 fi 440 441 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 442 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 443 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 444 if test ${enableval} = "yes" ; then 445 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 446 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 447 else 448 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 449 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 450 fi 451 452 dnl --enable-debug-runtime : should runtime libraries have debug symbols? 453 AC_ARG_ENABLE(debug-runtime, 454 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 455 if test ${enableval} = "no" ; then 456 AC_SUBST(DEBUG_RUNTIME,[[]]) 457 else 458 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 459 fi 460 461 dnl --enable-debug-symbols : should even optimized compiler libraries 462 dnl have debug symbols? 463 AC_ARG_ENABLE(debug-symbols, 464 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) 465 if test ${enableval} = "no" ; then 466 AC_SUBST(DEBUG_SYMBOLS,[[]]) 467 else 468 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 469 fi 470 471 dnl --enable-jit: check whether they want to enable the jit 472 AC_ARG_ENABLE(jit, 473 AS_HELP_STRING(--enable-jit, 474 [Enable Just In Time Compiling (default is YES)]),, 475 enableval=default) 476 if test ${enableval} = "no" 477 then 478 AC_SUBST(JIT,[[]]) 479 else 480 case "$llvm_cv_target_arch" in 481 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 482 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 483 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 484 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 485 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;; 486 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 487 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;; 488 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 489 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 490 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;; 491 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;; 492 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;; 493 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 494 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 495 esac 496 fi 497 498 dnl Allow enablement of building and installing docs 499 AC_ARG_ENABLE(docs, 500 AS_HELP_STRING([--enable-docs], 501 [Build documents (default is YES)]),, 502 enableval=default) 503 case "$enableval" in 504 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 505 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 506 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 507 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 508 esac 509 510 dnl Allow enablement of doxygen generated documentation 511 AC_ARG_ENABLE(doxygen, 512 AS_HELP_STRING([--enable-doxygen], 513 [Build doxygen documentation (default is NO)]),, 514 enableval=default) 515 case "$enableval" in 516 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 517 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 518 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 519 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 520 esac 521 522 dnl Allow disablement of threads 523 AC_ARG_ENABLE(threads, 524 AS_HELP_STRING([--enable-threads], 525 [Use threads if available (default is YES)]),, 526 enableval=default) 527 case "$enableval" in 528 yes) AC_SUBST(ENABLE_THREADS,[1]) ;; 529 no) AC_SUBST(ENABLE_THREADS,[0]) ;; 530 default) AC_SUBST(ENABLE_THREADS,[1]) ;; 531 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 532 esac 533 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled]) 534 535 dnl Allow disablement of pthread.h 536 AC_ARG_ENABLE(pthreads, 537 AS_HELP_STRING([--enable-pthreads], 538 [Use pthreads if available (default is YES)]),, 539 enableval=default) 540 case "$enableval" in 541 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 542 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 543 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 544 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 545 esac 546 547 dnl Allow building without position independent code 548 AC_ARG_ENABLE(pic, 549 AS_HELP_STRING([--enable-pic], 550 [Build LLVM with Position Independent Code (default is YES)]),, 551 enableval=default) 552 case "$enableval" in 553 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 554 no) AC_SUBST(ENABLE_PIC,[0]) ;; 555 default) AC_SUBST(ENABLE_PIC,[1]) ;; 556 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 557 esac 558 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 559 [Define if position independent code is enabled]) 560 561 dnl Allow building a shared library and linking tools against it. 562 AC_ARG_ENABLE(shared, 563 AS_HELP_STRING([--enable-shared], 564 [Build a shared library and link tools against it (default is NO)]),, 565 enableval=default) 566 case "$enableval" in 567 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 568 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 569 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 570 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 571 esac 572 573 dnl Allow libstdc++ is embedded in LLVM.dll. 574 AC_ARG_ENABLE(embed-stdcxx, 575 AS_HELP_STRING([--enable-embed-stdcxx], 576 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),, 577 enableval=default) 578 case "$enableval" in 579 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 580 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 581 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 582 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 583 esac 584 585 dnl Enable embedding timestamp information into build. 586 AC_ARG_ENABLE(timestamps, 587 AS_HELP_STRING([--enable-timestamps], 588 [Enable embedding timestamp information in build (default is YES)]),, 589 enableval=default) 590 case "$enableval" in 591 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 592 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 593 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 594 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 595 esac 596 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 597 [Define if timestamp information (e.g., __DATE___) is allowed]) 598 599 dnl Allow specific targets to be specified for building (or not) 600 TARGETS_TO_BUILD="" 601 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 602 [Build specific host targets: all or target1,target2,... Valid targets are: 603 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, 604 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),, 605 enableval=all) 606 if test "$enableval" = host-only ; then 607 enableval=host 608 fi 609 case "$enableval" in 610 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;; 611 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 612 case "$a_target" in 613 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 614 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 615 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 616 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 617 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; 618 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 619 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 620 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 621 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 622 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 623 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 624 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;; 625 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;; 626 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 627 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 628 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; 629 host) case "$llvm_cv_target_arch" in 630 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 631 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 632 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 633 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 634 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;; 635 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 636 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 637 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 638 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 639 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 640 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 641 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 642 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;; 643 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; 644 *) AC_MSG_ERROR([Can not set target to build]) ;; 645 esac ;; 646 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 647 esac 648 done 649 ;; 650 esac 651 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 652 653 # Determine whether we are building LLVM support for the native architecture. 654 # If so, define LLVM_NATIVE_ARCH to that LLVM target. 655 for a_target in $TARGETS_TO_BUILD; do 656 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 657 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 658 [LLVM architecture name for the native architecture, if available]) 659 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 660 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 661 LLVM_NATIVE_MCASMINFO="LLVMInitialize${LLVM_NATIVE_ARCH}MCAsmInfo" 662 LLVM_NATIVE_MCCODEGENINFO="LLVMInitialize${LLVM_NATIVE_ARCH}MCCodeGenInfo" 663 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 664 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 665 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 666 fi 667 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 668 [LLVM name for the native Target init function, if available]) 669 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 670 [LLVM name for the native TargetInfo init function, if available]) 671 AC_DEFINE_UNQUOTED(LLVM_NATIVE_MCASMINFO, $LLVM_NATIVE_MCASMINFO, 672 [LLVM name for the native MCAsmInfo init function, if available]) 673 AC_DEFINE_UNQUOTED(LLVM_NATIVE_MCCODEGENINFO, $LLVM_NATIVE_MCCODEGENINFO, 674 [LLVM name for the native MCCodeGenInfo init function, if available]) 675 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 676 [LLVM name for the native AsmPrinter init function, if available]) 677 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 678 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 679 [LLVM name for the native AsmParser init function, if available]) 680 fi 681 fi 682 done 683 684 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 685 # target feature def files. 686 LLVM_ENUM_TARGETS="" 687 LLVM_ENUM_ASM_PRINTERS="" 688 LLVM_ENUM_ASM_PARSERS="" 689 LLVM_ENUM_DISASSEMBLERS="" 690 for target_to_build in $TARGETS_TO_BUILD; do 691 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 692 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 693 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 694 fi 695 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 696 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 697 fi 698 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 699 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 700 fi 701 done 702 AC_SUBST(LLVM_ENUM_TARGETS) 703 AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 704 AC_SUBST(LLVM_ENUM_ASM_PARSERS) 705 AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 706 707 dnl Prevent the CBackend from using printf("%a") for floating point so older 708 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format 709 dnl can still compile the CBE's output 710 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a], 711 [Enable C Backend output with hex floating point via %a (default is YES)]),, 712 enableval=default) 713 case "$enableval" in 714 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; 715 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;; 716 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;; 717 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;; 718 esac 719 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A, 720 [Define if CBE is enabled for printf %a output]) 721 722 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config. 723 AC_ARG_WITH(llvmgccdir, 724 AS_HELP_STRING([--with-llvmgccdir], 725 [Specify location of llvm-gcc install dir (default searches PATH)]),, 726 withval=default) 727 case "$withval" in 728 default) WITH_LLVMGCCDIR=default ;; 729 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;; 730 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;; 731 esac 732 733 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config. 734 AC_ARG_WITH(llvmgcc, 735 AS_HELP_STRING([--with-llvmgcc], 736 [Specify location of llvm-gcc driver (default searches PATH)]), 737 LLVMGCC=$with_llvmgcc 738 WITH_LLVMGCCDIR="",) 739 740 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config. 741 AC_ARG_WITH(llvmgxx, 742 AS_HELP_STRING([--with-llvmgxx], 743 [Specify location of llvm-g++ driver (default searches PATH)]), 744 LLVMGXX=$with_llvmgxx 745 WITH_LLVMGCCDIR="",) 746 747 if test -n "$LLVMGCC"; then 748 LLVMGCCCOMMAND="$LLVMGCC" 749 fi 750 751 if test -n "$LLVMGXX"; then 752 LLVMGXXCOMMAND="$LLVMGXX" 753 fi 754 755 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then 756 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]); 757 fi 758 759 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then 760 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]); 761 fi 762 763 dnl Allow a specific Clang compiler to be used with this LLVM config. 764 AC_ARG_WITH(clang, 765 AS_HELP_STRING([--with-clang], 766 [Specify location of clang compiler (default is --with-built-clang)]), 767 [],[with_clang=default]) 768 769 dnl Enable use of the built Clang. 770 AC_ARG_WITH(built-clang, 771 AS_HELP_STRING([--with-built-clang], 772 [Use the compiled Clang as the LLVM compiler (default=check)]), 773 [],[with_built_clang=check]) 774 775 dnl Select the Clang compiler option. 776 dnl 777 dnl If --with-clang is given, always honor that; otherwise honor 778 dnl --with-built-clang, or check if we have the clang sources. 779 AC_MSG_CHECKING([clang compiler]) 780 WITH_CLANGPATH="" 781 WITH_BUILT_CLANG=0 782 if test "$with_clang" != "default"; then 783 WITH_CLANGPATH="$with_clang" 784 if ! test -x "$WITH_CLANGPATH"; then 785 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable]) 786 fi 787 elif test "$with_built_clang" = "yes"; then 788 WITH_BUILT_CLANG=1 789 elif test "$with_built_clang" = "no"; then 790 WITH_BUILT_CLANG=0 791 else 792 if test "$with_built_clang" != "check"; then 793 AC_MSG_ERROR([invalid value for --with-built-clang.]) 794 fi 795 796 if test -f ${srcdir}/tools/clang/README.txt; then 797 WITH_BUILT_CLANG=1 798 fi 799 fi 800 801 if ! test -z "$WITH_CLANGPATH"; then 802 AC_MSG_RESULT([$WITH_CLANGPATH]) 803 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++` 804 elif test "$WITH_BUILT_CLANG" = "1"; then 805 AC_MSG_RESULT([built]) 806 else 807 AC_MSG_RESULT([none]) 808 fi 809 AC_SUBST(CLANGPATH,$WITH_CLANGPATH) 810 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH) 811 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG) 812 813 dnl Override the option to use for optimized builds. 814 AC_ARG_WITH(optimize-option, 815 AS_HELP_STRING([--with-optimize-option], 816 [Select the compiler options to use for optimized builds]),, 817 withval=default) 818 AC_MSG_CHECKING([optimization flags]) 819 case "$withval" in 820 default) 821 case "$llvm_cv_os_type" in 822 FreeBSD) optimize_option=-O2 ;; 823 MingW) optimize_option=-O2 ;; 824 *) optimize_option=-O3 ;; 825 esac ;; 826 *) optimize_option="$withval" ;; 827 esac 828 AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 829 AC_MSG_RESULT([$optimize_option]) 830 831 dnl Specify extra build options 832 AC_ARG_WITH(extra-options, 833 AS_HELP_STRING([--with-extra-options], 834 [Specify additional options to compile LLVM with]),, 835 withval=default) 836 case "$withval" in 837 default) EXTRA_OPTIONS= ;; 838 *) EXTRA_OPTIONS=$withval ;; 839 esac 840 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 841 842 dnl Specify extra linker build options 843 AC_ARG_WITH(extra-ld-options, 844 AS_HELP_STRING([--with-extra-ld-options], 845 [Specify additional options to link LLVM with]),, 846 withval=default) 847 case "$withval" in 848 default) EXTRA_LD_OPTIONS= ;; 849 *) EXTRA_LD_OPTIONS=$withval ;; 850 esac 851 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 852 853 dnl Allow specific bindings to be specified for building (or not) 854 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 855 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 856 enableval=default) 857 BINDINGS_TO_BUILD="" 858 case "$enableval" in 859 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 860 all ) BINDINGS_TO_BUILD="ocaml" ;; 861 none | no) BINDINGS_TO_BUILD="" ;; 862 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 863 case "$a_binding" in 864 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 865 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 866 esac 867 done 868 ;; 869 esac 870 871 dnl Allow the ocaml libdir to be overridden. This could go in a configure 872 dnl script for bindings/ocaml/configure, except that its auto value depends on 873 dnl OCAMLC, which is found here to support tests. 874 AC_ARG_WITH([ocaml-libdir], 875 [AS_HELP_STRING([--with-ocaml-libdir], 876 [Specify install location for ocaml bindings (default is stdlib)])], 877 [], 878 [withval=auto]) 879 case "$withval" in 880 auto) with_ocaml_libdir="$withval" ;; 881 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 882 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 883 esac 884 885 AC_ARG_WITH(clang-resource-dir, 886 AS_HELP_STRING([--with-clang-resource-dir], 887 [Relative directory from the Clang binary for resource files]),, 888 withval="") 889 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 890 [Relative directory for resource files]) 891 892 AC_ARG_WITH(c-include-dirs, 893 AS_HELP_STRING([--with-c-include-dirs], 894 [Colon separated list of directories clang will search for headers]),, 895 withval="") 896 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 897 [Directories clang will search for headers]) 898 899 AC_ARG_WITH(cxx-include-root, 900 AS_HELP_STRING([--with-cxx-include-root], 901 [Directory with the libstdc++ headers.]),, 902 withval="") 903 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval", 904 [Directory with the libstdc++ headers.]) 905 906 AC_ARG_WITH(cxx-include-arch, 907 AS_HELP_STRING([--with-cxx-include-arch], 908 [Architecture of the libstdc++ headers.]),, 909 withval="") 910 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval", 911 [Arch the libstdc++ headers.]) 912 913 AC_ARG_WITH(cxx-include-32bit-dir, 914 AS_HELP_STRING([--with-cxx-include-32bit-dir], 915 [32 bit multilib dir.]),, 916 withval="") 917 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval", 918 [32 bit multilib directory.]) 919 920 AC_ARG_WITH(cxx-include-64bit-dir, 921 AS_HELP_STRING([--with-cxx-include-64bit-dir], 922 [64 bit multilib directory.]),, 923 withval="") 924 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval", 925 [64 bit multilib directory.]) 926 927 dnl Allow linking of LLVM with GPLv3 binutils code. 928 AC_ARG_WITH(binutils-include, 929 AS_HELP_STRING([--with-binutils-include], 930 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 931 withval=default) 932 case "$withval" in 933 default) WITH_BINUTILS_INCDIR=default ;; 934 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 935 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 936 esac 937 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 938 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 939 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 940 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 941 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 942 fi 943 fi 944 945 dnl Specify the URL where bug reports should be submitted. 946 AC_ARG_WITH(bug-report-url, 947 AS_HELP_STRING([--with-bug-report-url], 948 [Specify the URL where bug reports should be submitted (default=http://llvm.org)]),, 949 withval="http://llvm.org") 950 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 951 [Bug report URL.]) 952 953 dnl --enable-libffi : check whether the user wants to turn off libffi: 954 AC_ARG_ENABLE(libffi,AS_HELP_STRING( 955 --enable-libffi,[Check for the presence of libffi (default is NO)]), 956 [case "$enableval" in 957 yes) llvm_cv_enable_libffi="yes" ;; 958 no) llvm_cv_enable_libffi="no" ;; 959 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 960 esac], 961 llvm_cv_enable_libffi=no) 962 963 dnl===-----------------------------------------------------------------------=== 964 dnl=== 965 dnl=== SECTION 4: Check for programs we need and that they are the right version 966 dnl=== 967 dnl===-----------------------------------------------------------------------=== 968 969 dnl Check for compilation tools 970 AC_PROG_CPP 971 AC_PROG_CC(gcc) 972 AC_PROG_CXX(g++) 973 974 AC_PROG_NM 975 AC_SUBST(NM) 976 977 dnl Check for the tools that the makefiles require 978 AC_CHECK_GNU_MAKE 979 AC_PROG_LN_S 980 AC_PATH_PROG(CMP, [cmp], [cmp]) 981 AC_PATH_PROG(CP, [cp], [cp]) 982 AC_PATH_PROG(DATE, [date], [date]) 983 AC_PATH_PROG(FIND, [find], [find]) 984 AC_PATH_PROG(GREP, [grep], [grep]) 985 AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 986 AC_PATH_PROG(MV, [mv], [mv]) 987 AC_PROG_RANLIB 988 AC_CHECK_TOOL(AR, ar, false) 989 AC_PATH_PROG(RM, [rm], [rm]) 990 AC_PATH_PROG(SED, [sed], [sed]) 991 AC_PATH_PROG(TAR, [tar], [gtar]) 992 AC_PATH_PROG(BINPWD,[pwd], [pwd]) 993 994 dnl Looking for misc. graph plotting software 995 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 996 if test "$GRAPHVIZ" != "echo Graphviz" ; then 997 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 998 dnl If we're targeting for mingw we should emit windows paths, not msys 999 if test "$llvm_cv_os_type" = "MingW" ; then 1000 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1001 fi 1002 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 1003 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 1004 fi 1005 AC_PATH_PROG(DOT, [dot], [echo dot]) 1006 if test "$DOT" != "echo dot" ; then 1007 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 1008 dnl If we're targeting for mingw we should emit windows paths, not msys 1009 if test "$llvm_cv_os_type" = "MingW" ; then 1010 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1011 fi 1012 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 1013 [Define to path to dot program if found or 'echo dot' otherwise]) 1014 fi 1015 AC_PATH_PROG(FDP, [fdp], [echo fdp]) 1016 if test "$FDP" != "echo fdp" ; then 1017 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 1018 dnl If we're targeting for mingw we should emit windows paths, not msys 1019 if test "$llvm_cv_os_type" = "MingW" ; then 1020 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1021 fi 1022 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 1023 [Define to path to fdp program if found or 'echo fdp' otherwise]) 1024 fi 1025 AC_PATH_PROG(NEATO, [neato], [echo neato]) 1026 if test "$NEATO" != "echo neato" ; then 1027 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 1028 dnl If we're targeting for mingw we should emit windows paths, not msys 1029 if test "$llvm_cv_os_type" = "MingW" ; then 1030 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1031 fi 1032 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 1033 [Define to path to neato program if found or 'echo neato' otherwise]) 1034 fi 1035 AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 1036 if test "$TWOPI" != "echo twopi" ; then 1037 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 1038 dnl If we're targeting for mingw we should emit windows paths, not msys 1039 if test "$llvm_cv_os_type" = "MingW" ; then 1040 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1041 fi 1042 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 1043 [Define to path to twopi program if found or 'echo twopi' otherwise]) 1044 fi 1045 AC_PATH_PROG(CIRCO, [circo], [echo circo]) 1046 if test "$CIRCO" != "echo circo" ; then 1047 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 1048 dnl If we're targeting for mingw we should emit windows paths, not msys 1049 if test "$llvm_cv_os_type" = "MingW" ; then 1050 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1051 fi 1052 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 1053 [Define to path to circo program if found or 'echo circo' otherwise]) 1054 fi 1055 AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 1056 if test "$GV" != "echo gv" ; then 1057 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 1058 dnl If we're targeting for mingw we should emit windows paths, not msys 1059 if test "$llvm_cv_os_type" = "MingW" ; then 1060 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1061 fi 1062 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 1063 [Define to path to gv program if found or 'echo gv' otherwise]) 1064 fi 1065 AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 1066 if test "$DOTTY" != "echo dotty" ; then 1067 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 1068 dnl If we're targeting for mingw we should emit windows paths, not msys 1069 if test "$llvm_cv_os_type" = "MingW" ; then 1070 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1071 fi 1072 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 1073 [Define to path to dotty program if found or 'echo dotty' otherwise]) 1074 fi 1075 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py]) 1076 if test "$XDOT_PY" != "echo xdot.py" ; then 1077 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) 1078 dnl If we're targeting for mingw we should emit windows paths, not msys 1079 if test "$llvm_cv_os_type" = "MingW" ; then 1080 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1081 fi 1082 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}", 1083 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise]) 1084 fi 1085 1086 dnl Look for a sufficiently recent version of Perl. 1087 LLVM_PROG_PERL([5.006]) 1088 AC_SUBST(PERL) 1089 if test x"$PERL" = xnone; then 1090 AC_SUBST(HAVE_PERL,0) 1091 AC_MSG_ERROR([perl is required but was not found, please install it]) 1092 else 1093 AC_SUBST(HAVE_PERL,1) 1094 fi 1095 1096 dnl Find the install program 1097 AC_PROG_INSTALL 1098 dnl Prepend src dir to install path dir if it's a relative path 1099 dnl This is a hack for installs that take place in something other 1100 dnl than the top level. 1101 case "$INSTALL" in 1102 [[\\/$]]* | ?:[[\\/]]* ) ;; 1103 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1104 esac 1105 1106 dnl Checks for documentation and testing tools that we can do without. If these 1107 dnl are not found then they are set to "true" which always succeeds but does 1108 dnl nothing. This just lets the build output show that we could have done 1109 dnl something if the tool was available. 1110 AC_PATH_PROG(BZIP2, [bzip2]) 1111 AC_PATH_PROG(CAT, [cat]) 1112 AC_PATH_PROG(DOXYGEN, [doxygen]) 1113 AC_PATH_PROG(GROFF, [groff]) 1114 AC_PATH_PROG(GZIPBIN, [gzip]) 1115 AC_PATH_PROG(POD2HTML, [pod2html]) 1116 AC_PATH_PROG(POD2MAN, [pod2man]) 1117 AC_PATH_PROG(PDFROFF, [pdfroff]) 1118 AC_PATH_PROG(RUNTEST, [runtest]) 1119 DJ_AC_PATH_TCLSH 1120 AC_PATH_PROG(ZIP, [zip]) 1121 AC_PATH_PROGS(OCAMLC, [ocamlc]) 1122 AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1123 AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1124 AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1125 AC_PATH_PROGS(GAS, [gas as]) 1126 1127 dnl Get the version of the linker in use. 1128 AC_LINK_GET_VERSION 1129 1130 dnl Determine whether the linker supports the -R option. 1131 AC_LINK_USE_R 1132 1133 dnl Determine whether the linker supports the -export-dynamic option. 1134 AC_LINK_EXPORT_DYNAMIC 1135 1136 dnl Determine whether the linker supports the --version-script option. 1137 AC_LINK_VERSION_SCRIPT 1138 1139 dnl Check for libtool and the library that has dlopen function (which must come 1140 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1141 dnl libtool). 1142 AC_LIBTOOL_DLOPEN 1143 AC_LIB_LTDL 1144 1145 if test "$WITH_LLVMGCCDIR" = "default" ; then 1146 LLVMGCC="llvm-gcc${EXEEXT}" 1147 LLVMGXX="llvm-g++${EXEEXT}" 1148 LLVMGCCCOMMAND="$LLVMGCC" 1149 LLVMGXXCOMMAND="$LLVMGXX" 1150 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND) 1151 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND) 1152 AC_PATH_PROG(LLVMGCC, $LLVMGCC, []) 1153 AC_PATH_PROG(LLVMGXX, $LLVMGXX, []) 1154 else 1155 if test -z "$LLVMGCC"; then 1156 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}" 1157 LLVMGCCCOMMAND="$LLVMGCC" 1158 fi 1159 if test -z "$LLVMGXX"; then 1160 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}" 1161 LLVMGXXCOMMAND="$LLVMGXX" 1162 fi 1163 1164 AC_SUBST(LLVMGCC,$LLVMGCC) 1165 AC_SUBST(LLVMGXX,$LLVMGXX) 1166 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND) 1167 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND) 1168 fi 1169 1170 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if 1171 dnl found, otherwise clang if available. 1172 AC_ARG_WITH(llvmcc, 1173 AS_HELP_STRING([--with-llvmcc=<name>], 1174 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]), 1175 [],[with_llvmcc=check]) 1176 AC_MSG_CHECKING([LLVM capable compiler]) 1177 if test "$with_llvmcc" != "check"; then 1178 if (test "$with_llvmcc" != "llvm-gcc" && 1179 test "$with_llvmcc" != "clang" && 1180 test "$with_llvmcc" != "none"); then 1181 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.]) 1182 fi 1183 WITH_LLVMCC="$with_llvmcc" 1184 elif test -n "$LLVMGCC"; then 1185 WITH_LLVMCC=llvm-gcc 1186 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then 1187 WITH_LLVMCC=clang 1188 else 1189 WITH_LLVMCC=none 1190 fi 1191 AC_MSG_RESULT([$WITH_LLVMCC]) 1192 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC) 1193 1194 AC_MSG_CHECKING([tool compatibility]) 1195 1196 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1197 dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1198 dnl to support those options. 1199 dnl "icc" emits gcc signatures 1200 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1201 ICC=no 1202 IXX=no 1203 case $CC in 1204 icc*|icpc*) 1205 ICC=yes 1206 IXX=yes 1207 ;; 1208 *) 1209 ;; 1210 esac 1211 1212 if test "$GCC" != "yes" && test "$ICC" != "yes" 1213 then 1214 AC_MSG_ERROR([gcc|icc required but not found]) 1215 fi 1216 1217 dnl Ensure that compilation tools are compatible with GCC extensions 1218 if test "$GXX" != "yes" && test "$IXX" != "yes" 1219 then 1220 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1221 fi 1222 1223 dnl Verify that GCC is version 3.0 or higher 1224 if test "$GCC" = "yes" 1225 then 1226 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 1227 #error Unsupported GCC version 1228 #endif 1229 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1230 fi 1231 1232 dnl Check for GNU Make. We use its extensions, so don't build without it 1233 if test -z "$llvm_cv_gnu_make_command" 1234 then 1235 AC_MSG_ERROR([GNU Make required but not found]) 1236 fi 1237 1238 dnl Tool compatibility is okay if we make it here. 1239 AC_MSG_RESULT([ok]) 1240 1241 dnl Check optional compiler flags. 1242 AC_MSG_CHECKING([optional compiler flags]) 1243 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1244 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1245 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS]) 1246 1247 dnl===-----------------------------------------------------------------------=== 1248 dnl=== 1249 dnl=== SECTION 5: Check for libraries 1250 dnl=== 1251 dnl===-----------------------------------------------------------------------=== 1252 1253 AC_CHECK_LIB(m,sin) 1254 if test "$llvm_cv_os_type" = "MingW" ; then 1255 AC_CHECK_LIB(imagehlp, main) 1256 AC_CHECK_LIB(psapi, main) 1257 fi 1258 1259 dnl dlopen() is required for plugin support. 1260 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1261 [Define if dlopen() is available on this platform.]), 1262 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1263 1264 dnl libffi is optional; used to call external functions from the interpreter 1265 if test "$llvm_cv_enable_libffi" = "yes" ; then 1266 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1267 [Define if libffi is available on this platform.]), 1268 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1269 fi 1270 1271 dnl mallinfo is optional; the code can compile (minus features) without it 1272 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1273 [Define if mallinfo() is available on this platform.])) 1274 1275 dnl pthread locking functions are optional - but llvm will not be thread-safe 1276 dnl without locks. 1277 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1278 AC_CHECK_LIB(pthread, pthread_mutex_init) 1279 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1280 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1281 [Have pthread_mutex_lock])) 1282 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1283 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1284 [Have pthread_rwlock_init])) 1285 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1286 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1287 [Have pthread_getspecific])) 1288 fi 1289 1290 dnl Allow extra x86-disassembler library 1291 AC_ARG_WITH(udis86, 1292 AS_HELP_STRING([--with-udis86=<path>], 1293 [Use udis86 external x86 disassembler library]), 1294 [ 1295 AC_SUBST(USE_UDIS86, [1]) 1296 case "$withval" in 1297 /usr/lib|yes) ;; 1298 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1299 esac 1300 AC_CHECK_LIB(udis86, ud_init, [], [ 1301 echo "Error! You need to have libudis86 around." 1302 exit -1 1303 ]) 1304 ], 1305 AC_SUBST(USE_UDIS86, [0])) 1306 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1307 [Define if use udis86 library]) 1308 1309 dnl Allow OProfile support for JIT output. 1310 AC_ARG_WITH(oprofile, 1311 AS_HELP_STRING([--with-oprofile=<prefix>], 1312 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1313 [ 1314 AC_SUBST(USE_OPROFILE, [1]) 1315 case "$withval" in 1316 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1317 no) llvm_cv_oppath= 1318 AC_SUBST(USE_OPROFILE, [0]) ;; 1319 *) llvm_cv_oppath="${withval}/lib/oprofile" 1320 CPPFLAGS="-I${withval}/include";; 1321 esac 1322 if test -n "$llvm_cv_oppath" ; then 1323 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1324 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1325 dnl libbfd is not included properly in libopagent in some Debian 1326 dnl versions. If libbfd isn't found at all, we assume opagent works 1327 dnl anyway. 1328 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1329 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1330 echo "Error! You need to have libopagent around." 1331 exit -1 1332 ]) 1333 AC_CHECK_HEADER([opagent.h], [], [ 1334 echo "Error! You need to have opagent.h around." 1335 exit -1 1336 ]) 1337 fi 1338 ], 1339 [ 1340 AC_SUBST(USE_OPROFILE, [0]) 1341 ]) 1342 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE, 1343 [Define if we have the oprofile JIT-support library]) 1344 1345 dnl===-----------------------------------------------------------------------=== 1346 dnl=== 1347 dnl=== SECTION 6: Check for header files 1348 dnl=== 1349 dnl===-----------------------------------------------------------------------=== 1350 1351 dnl First, use autoconf provided macros for specific headers that we need 1352 dnl We don't check for ancient stuff or things that are guaranteed to be there 1353 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1354 dnl Generally we're looking for POSIX headers. 1355 AC_HEADER_DIRENT 1356 AC_HEADER_MMAP_ANONYMOUS 1357 AC_HEADER_STAT 1358 AC_HEADER_STDC 1359 AC_HEADER_SYS_WAIT 1360 AC_HEADER_TIME 1361 1362 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) 1363 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1364 AC_CHECK_HEADERS([utime.h windows.h]) 1365 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1366 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) 1367 AC_CHECK_HEADERS([valgrind/valgrind.h]) 1368 AC_CHECK_HEADERS([fenv.h]) 1369 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1370 AC_CHECK_HEADERS(pthread.h, 1371 AC_SUBST(HAVE_PTHREAD, 1), 1372 AC_SUBST(HAVE_PTHREAD, 0)) 1373 else 1374 AC_SUBST(HAVE_PTHREAD, 0) 1375 fi 1376 1377 dnl Try to find ffi.h. 1378 if test "$llvm_cv_enable_libffi" = "yes" ; then 1379 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1380 fi 1381 1382 dnl Try to find Darwin specific crash reporting libraries. 1383 AC_CHECK_HEADERS([CrashReporterClient.h]) 1384 1385 dnl Try to find Darwin specific crash reporting global. 1386 AC_MSG_CHECKING([__crashreporter_info__]) 1387 AC_LINK_IFELSE( 1388 AC_LANG_SOURCE( 1389 [[extern const char *__crashreporter_info__; 1390 int main() { 1391 __crashreporter_info__ = "test"; 1392 return 0; 1393 } 1394 ]]), 1395 AC_MSG_RESULT(yes) 1396 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__), 1397 AC_MSG_RESULT(no) 1398 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0, 1399 Define if __crashreporter_info__ exists.)) 1400 1401 dnl===-----------------------------------------------------------------------=== 1402 dnl=== 1403 dnl=== SECTION 7: Check for types and structures 1404 dnl=== 1405 dnl===-----------------------------------------------------------------------=== 1406 1407 AC_HUGE_VAL_CHECK 1408 AC_TYPE_PID_T 1409 AC_TYPE_SIZE_T 1410 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1411 AC_STRUCT_TM 1412 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1413 AC_CHECK_TYPES([uint64_t],, 1414 AC_CHECK_TYPES([u_int64_t],, 1415 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1416 1417 dnl===-----------------------------------------------------------------------=== 1418 dnl=== 1419 dnl=== SECTION 8: Check for specific functions needed 1420 dnl=== 1421 dnl===-----------------------------------------------------------------------=== 1422 1423 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1424 AC_CHECK_FUNCS([powf fmodf strtof round ]) 1425 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1426 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1427 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ]) 1428 AC_CHECK_FUNCS([strerror strerror_r setenv ]) 1429 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1430 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1431 AC_C_PRINTF_A 1432 AC_FUNC_RAND48 1433 1434 dnl Check the declaration "Secure API" on Windows environments. 1435 AC_CHECK_DECLS([strerror_s]) 1436 1437 dnl Check symbols in libgcc.a for JIT on Mingw. 1438 if test "$llvm_cv_os_type" = "MingW" ; then 1439 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1440 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1441 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1442 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1443 1444 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1445 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1446 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1447 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1448 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1449 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1450 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1451 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1452 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1453 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1454 1455 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1456 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1457 fi 1458 1459 dnl Check Win32 API EnumerateLoadedModules. 1460 if test "$llvm_cv_os_type" = "MingW" ; then 1461 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1462 AC_COMPILE_IFELSE([[#include <windows.h> 1463 #include <imagehlp.h> 1464 extern void foo(PENUMLOADED_MODULES_CALLBACK); 1465 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], 1466 [ 1467 AC_MSG_RESULT([yes]) 1468 llvm_cv_win32_elmcb_pcstr="PCSTR" 1469 ], 1470 [ 1471 AC_MSG_RESULT([no]) 1472 llvm_cv_win32_elmcb_pcstr="PSTR" 1473 ]) 1474 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1475 fi 1476 1477 dnl Check for variations in the Standard C++ library and STL. These macros are 1478 dnl provided by LLVM in the autoconf/m4 directory. 1479 AC_FUNC_ISNAN 1480 AC_FUNC_ISINF 1481 1482 dnl Check for mmap support.We also need to know if /dev/zero is required to 1483 dnl be opened for allocating RWX memory. 1484 dnl Make sure we aren't attempting to configure for an unknown system 1485 if test "$llvm_cv_platform_type" = "Unix" ; then 1486 AC_FUNC_MMAP 1487 AC_FUNC_MMAP_FILE 1488 AC_NEED_DEV_ZERO_FOR_MMAP 1489 1490 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1491 then 1492 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1493 fi 1494 if test "$ac_cv_func_mmap_file" = "no" 1495 then 1496 AC_MSG_WARN([mmap() of files required but not found]) 1497 fi 1498 fi 1499 1500 dnl atomic builtins are required for threading support. 1501 AC_MSG_CHECKING(for GCC atomic builtins) 1502 dnl Since we'll be using these atomic builtins in C++ files we should test 1503 dnl the C++ compiler. 1504 AC_LANG_PUSH([C++]) 1505 AC_LINK_IFELSE( 1506 AC_LANG_SOURCE( 1507 [[int main() { 1508 volatile unsigned long val = 1; 1509 __sync_synchronize(); 1510 __sync_val_compare_and_swap(&val, 1, 0); 1511 __sync_add_and_fetch(&val, 1); 1512 __sync_sub_and_fetch(&val, 1); 1513 return 0; 1514 } 1515 ]]), 1516 AC_LANG_POP([C++]) 1517 AC_MSG_RESULT(yes) 1518 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM), 1519 AC_MSG_RESULT(no) 1520 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM) 1521 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) 1522 1523 dnl===-----------------------------------------------------------------------=== 1524 dnl=== 1525 dnl=== SECTION 9: Additional checks, variables, etc. 1526 dnl=== 1527 dnl===-----------------------------------------------------------------------=== 1528 1529 dnl Handle 32-bit linux systems running a 64-bit kernel. 1530 dnl This has to come after section 4 because it invokes the compiler. 1531 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1532 AC_IS_LINUX_MIXED 1533 if test "$llvm_cv_linux_mixed" = "yes"; then 1534 llvm_cv_target_arch="x86" 1535 ARCH="x86" 1536 fi 1537 fi 1538 1539 dnl Check, whether __dso_handle is present 1540 AC_CHECK_FUNCS([__dso_handle]) 1541 1542 dnl Check wether llvm-gcc is based on dragonegg 1543 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg], 1544 [llvm_cv_llvmgcc_dragonegg="no" 1545 if test -n "$LLVMGCC" ; then 1546 cp /dev/null conftest.c 1547 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1 1548 if test $? -eq 0 ; then 1549 llvm_cv_llvmgcc_dragonegg="yes" 1550 fi 1551 rm conftest.c 1552 fi]) 1553 1554 dnl Set the flags needed to emit LLVM IR and to disable optimizations 1555 dnl in llvmgcc 1556 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then 1557 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir" 1558 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0" 1559 else 1560 LLVMCC_EMITIR_FLAG="-emit-llvm" 1561 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns" 1562 fi 1563 1564 AC_SUBST(LLVMCC_EMITIR_FLAG) 1565 1566 dnl See if the llvm-gcc executable can compile to LLVM assembly 1567 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity], 1568 [llvm_cv_llvmgcc_sanity="no" 1569 if test -n "$LLVMGCC" ; then 1570 cp /dev/null conftest.c 1571 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \ 1572 grep 'target datalayout =' > /dev/null 2>&1 1573 if test $? -eq 0 ; then 1574 llvm_cv_llvmgcc_sanity="yes" 1575 fi 1576 rm conftest.c 1577 fi]) 1578 1579 dnl Since we have a sane llvm-gcc, identify it and its sub-tools 1580 dnl Furthermore, add some information about the tools 1581 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then 1582 AC_MSG_CHECKING([llvm-gcc component support]) 1583 llvmcc1path=`$LLVMGCC --print-prog-name=cc1` 1584 AC_SUBST(LLVMCC1,$llvmcc1path) 1585 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus` 1586 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath) 1587 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'` 1588 AC_SUBST(LLVMGCCDIR,$llvmgccdir) 1589 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`] 1590 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs) 1591 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg) 1592 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS) 1593 AC_MSG_RESULT([ok]) 1594 fi 1595 1596 dnl Propagate the shared library extension that the libltdl checks did to 1597 dnl the Makefiles so we can use it there too 1598 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1599 1600 dnl Propagate the run-time library path variable that the libltdl 1601 dnl checks found to the Makefiles so we can use it there too 1602 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1603 1604 # Translate the various configuration directories and other basic 1605 # information into substitutions that will end up in Makefile.config.in 1606 # that these configured values can be used by the makefiles 1607 if test "${prefix}" = "NONE" ; then 1608 prefix="/usr/local" 1609 fi 1610 eval LLVM_PREFIX="${prefix}"; 1611 eval LLVM_BINDIR="${prefix}/bin"; 1612 eval LLVM_LIBDIR="${prefix}/lib"; 1613 eval LLVM_DATADIR="${prefix}/share/llvm"; 1614 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1615 eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1616 eval LLVM_INCLUDEDIR="${prefix}/include"; 1617 eval LLVM_INFODIR="${prefix}/info"; 1618 eval LLVM_MANDIR="${prefix}/man"; 1619 LLVM_CONFIGTIME=`date` 1620 AC_SUBST(LLVM_PREFIX) 1621 AC_SUBST(LLVM_BINDIR) 1622 AC_SUBST(LLVM_LIBDIR) 1623 AC_SUBST(LLVM_DATADIR) 1624 AC_SUBST(LLVM_DOCSDIR) 1625 AC_SUBST(LLVM_ETCDIR) 1626 AC_SUBST(LLVM_INCLUDEDIR) 1627 AC_SUBST(LLVM_INFODIR) 1628 AC_SUBST(LLVM_MANDIR) 1629 AC_SUBST(LLVM_CONFIGTIME) 1630 1631 # Place the various directores into the config.h file as #defines so that we 1632 # can know about the installation paths within LLVM. 1633 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1634 [Installation prefix directory]) 1635 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1636 [Installation directory for binary executables]) 1637 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", 1638 [Installation directory for libraries]) 1639 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1640 [Installation directory for data files]) 1641 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1642 [Installation directory for documentation]) 1643 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1644 [Installation directory for config files]) 1645 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1646 [Installation directory for include files]) 1647 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1648 [Installation directory for .info files]) 1649 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1650 [Installation directory for man pages]) 1651 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1652 [Time at which LLVM was configured]) 1653 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host", 1654 [Host triple we were built on]) 1655 1656 # Determine which bindings to build. 1657 if test "$BINDINGS_TO_BUILD" = auto ; then 1658 BINDINGS_TO_BUILD="" 1659 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1660 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1661 fi 1662 fi 1663 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1664 1665 # This isn't really configurey, but it avoids having to repeat the list in 1666 # other files. 1667 AC_SUBST(ALL_BINDINGS,ocaml) 1668 1669 # Do any work necessary to ensure that bindings have what they need. 1670 binding_prereqs_failed=0 1671 for a_binding in $BINDINGS_TO_BUILD ; do 1672 case "$a_binding" in 1673 ocaml) 1674 if test "x$OCAMLC" = x ; then 1675 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1676 binding_prereqs_failed=1 1677 fi 1678 if test "x$OCAMLDEP" = x ; then 1679 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1680 binding_prereqs_failed=1 1681 fi 1682 if test "x$OCAMLOPT" = x ; then 1683 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1684 dnl ocamlopt is optional! 1685 fi 1686 if test "x$with_ocaml_libdir" != xauto ; then 1687 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1688 else 1689 ocaml_stdlib="`"$OCAMLC" -where`" 1690 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1691 then 1692 # ocaml stdlib is beneath our prefix; use stdlib 1693 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1694 else 1695 # ocaml stdlib is outside our prefix; use libdir/ocaml 1696 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) 1697 fi 1698 fi 1699 ;; 1700 esac 1701 done 1702 if test "$binding_prereqs_failed" = 1 ; then 1703 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1704 fi 1705 1706 dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1707 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1708 1709 dnl Determine linker rpath flag 1710 if test "$llvm_cv_link_use_r" = "yes" ; then 1711 RPATH="-Wl,-R" 1712 else 1713 RPATH="-Wl,-rpath" 1714 fi 1715 AC_SUBST(RPATH) 1716 1717 dnl Determine linker rdynamic flag 1718 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1719 RDYNAMIC="-Wl,-export-dynamic" 1720 else 1721 RDYNAMIC="" 1722 fi 1723 AC_SUBST(RDYNAMIC) 1724 1725 dnl===-----------------------------------------------------------------------=== 1726 dnl=== 1727 dnl=== SECTION 10: Specify the output files and generate it 1728 dnl=== 1729 dnl===-----------------------------------------------------------------------=== 1730 1731 dnl Configure header files 1732 dnl WARNING: dnl If you add or remove any of the following config headers, then 1733 dnl you MUST also update Makefile.rules so that the variable FilesToConfig 1734 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1735 dnl files can be updated automatically when their *.in sources change. 1736 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1737 AH_TOP([#ifndef CONFIG_H 1738 #define CONFIG_H]) 1739 AH_BOTTOM([#endif]) 1740 1741 AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1742 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1743 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1744 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1745 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1746 1747 dnl Configure the makefile's configuration data 1748 AC_CONFIG_FILES([Makefile.config]) 1749 1750 dnl Configure the RPM spec file for LLVM 1751 AC_CONFIG_FILES([llvm.spec]) 1752 1753 dnl Configure doxygen's configuration file 1754 AC_CONFIG_FILES([docs/doxygen.cfg]) 1755 if test -f ${srcdir}/tools/clang/README.txt; then 1756 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg]) 1757 fi 1758 1759 dnl Configure llvmc's Base plugin 1760 AC_CONFIG_FILES([tools/llvmc/src/Base.td]) 1761 1762 dnl Do the first stage of configuration for llvm-config.in. 1763 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in]) 1764 1765 dnl Do special configuration of Makefiles 1766 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1767 AC_CONFIG_MAKEFILE(Makefile) 1768 AC_CONFIG_MAKEFILE(Makefile.common) 1769 AC_CONFIG_MAKEFILE(examples/Makefile) 1770 AC_CONFIG_MAKEFILE(lib/Makefile) 1771 AC_CONFIG_MAKEFILE(runtime/Makefile) 1772 AC_CONFIG_MAKEFILE(test/Makefile) 1773 AC_CONFIG_MAKEFILE(test/Makefile.tests) 1774 AC_CONFIG_MAKEFILE(unittests/Makefile) 1775 AC_CONFIG_MAKEFILE(tools/Makefile) 1776 AC_CONFIG_MAKEFILE(utils/Makefile) 1777 AC_CONFIG_MAKEFILE(projects/Makefile) 1778 AC_CONFIG_MAKEFILE(bindings/Makefile) 1779 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1780 1781 dnl Finally, crank out the output 1782 AC_OUTPUT 1783