1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
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
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
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
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@cs.uiuc.edu])
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.])
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.
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])
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])
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}])
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.
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
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])
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])
84 dnl llvm-test is the old name of the test-suite, kept here for backwards
86 if test -d ${srcdir}/projects/llvm-test ; then
87 AC_CONFIG_SUBDIRS([projects/llvm-test])
90 dnl Some projects use poolalloc; configure that next
91 if test -d ${srcdir}/projects/poolalloc ; then
92 AC_CONFIG_SUBDIRS([projects/poolalloc])
95 if test -d ${srcdir}/projects/llvm-poolalloc ; then
96 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
99 dnl Check for all other projects
100 for i in `ls ${srcdir}/projects`
102 if test -d ${srcdir}/projects/${i} ; then
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]) ;;
118 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
124 dnl Disable the build of polly, even if it is checked out into tools/polly.
126 AS_HELP_STRING([--enable-polly],
127 [Use polly if available (default is YES)]),,
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"]) ;;
137 dnl Check if polly is checked out into tools/polly and configure it if
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])
144 dnl===-----------------------------------------------------------------------===
146 dnl=== SECTION 2: Architecture, target, and host checks
148 dnl===-----------------------------------------------------------------------===
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.
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],
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
263 AC_CACHE_CHECK([type of operating system we're going to target],
264 [llvm_cv_target_os_type],
267 llvm_cv_target_os_type="AIX" ;;
269 llvm_cv_target_os_type="IRIX" ;;
271 llvm_cv_target_os_type="Cygwin" ;;
273 llvm_cv_target_os_type="Darwin" ;;
275 llvm_cv_target_os_type="Minix" ;;
277 llvm_cv_target_os_type="FreeBSD" ;;
279 llvm_cv_target_os_type="OpenBSD" ;;
281 llvm_cv_target_os_type="NetBSD" ;;
283 llvm_cv_target_os_type="DragonFly" ;;
285 llvm_cv_target_os_type="HP-UX" ;;
287 llvm_cv_target_os_type="Interix" ;;
289 llvm_cv_target_os_type="Linux" ;;
291 llvm_cv_target_os_type="SunOS" ;;
293 llvm_cv_target_os_type="AuroraUX" ;;
295 llvm_cv_target_os_type="Win32" ;;
297 llvm_cv_target_os_type="MingW" ;;
299 llvm_cv_target_os_type="Haiku" ;;
301 llvm_cv_target_os_type="RTEMS" ;;
303 llvm_cv_target_os_type="Freestanding" ;;
305 llvm_cv_target_os_type="Unknown" ;;
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])
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,$llvm_cv_target_os_type)
319 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
320 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
321 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
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
326 case $llvm_cv_platform_type in
328 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
329 AC_SUBST(LLVM_ON_UNIX,[1])
330 AC_SUBST(LLVM_ON_WIN32,[0])
333 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
334 AC_SUBST(LLVM_ON_UNIX,[0])
335 AC_SUBST(LLVM_ON_WIN32,[1])
339 dnl Determine what our target architecture is and configure accordingly.
340 dnl This will allow Makefiles to make a distinction between the hardware and
342 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
344 i?86-*) llvm_cv_target_arch="x86" ;;
345 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
346 sparc*-*) llvm_cv_target_arch="Sparc" ;;
347 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
348 alpha*-*) llvm_cv_target_arch="Alpha" ;;
349 arm*-*) llvm_cv_target_arch="ARM" ;;
350 mips-*) llvm_cv_target_arch="Mips" ;;
351 xcore-*) llvm_cv_target_arch="XCore" ;;
352 msp430-*) llvm_cv_target_arch="MSP430" ;;
353 s390x-*) llvm_cv_target_arch="SystemZ" ;;
354 bfin-*) llvm_cv_target_arch="Blackfin" ;;
355 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
356 ptx-*) llvm_cv_target_arch="PTX" ;;
357 *) llvm_cv_target_arch="Unknown" ;;
360 if test "$llvm_cv_target_arch" = "Unknown" ; then
361 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
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" ;;
371 dnl Define a substitution, ARCH, for the target architecture
372 AC_SUBST(ARCH,$llvm_cv_target_arch)
374 dnl Check for the endianness of the target
375 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
377 dnl Check for build platform executable suffix if we're crosscompiling
378 if test "$cross_compiling" = yes; then
379 AC_SUBST(LLVM_CROSS_COMPILING, [1])
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 "$BUILD_CXX"; then
386 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
390 AC_SUBST(LLVM_CROSS_COMPILING, [0])
393 dnl Check to see if there's a .svn or .git directory indicating that this
394 dnl build is being done from a checkout. This sets up several defaults for
395 dnl the command line switches. When we build with a checkout directory,
396 dnl we get a debug with assertions turned on. Without, we assume a source
397 dnl release and we get an optimized build without assertions.
398 dnl See --enable-optimized and --enable-assertions below
399 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
402 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
408 dnl===-----------------------------------------------------------------------===
410 dnl=== SECTION 3: Command line arguments for the configure script.
412 dnl===-----------------------------------------------------------------------===
414 dnl --enable-optimized : check whether they want to do an optimized build:
415 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
416 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
417 if test ${enableval} = "no" ; then
418 AC_SUBST(ENABLE_OPTIMIZED,[[]])
420 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
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,[[]])
429 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
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,[[]])
438 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
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]])
448 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
449 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
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,[[]])
458 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
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,[[]])
468 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
471 dnl --enable-jit: check whether they want to enable the jit
473 AS_HELP_STRING(--enable-jit,
474 [Enable Just In Time Compiling (default is YES)]),,
476 if test ${enableval} = "no"
480 case "$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) ;;
498 dnl Allow enablement of building and installing docs
500 AS_HELP_STRING([--enable-docs],
501 [Build documents (default is YES)]),,
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"]) ;;
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)]),,
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"]) ;;
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)]),,
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"]) ;;
533 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
535 dnl Allow disablement of pthread.h
536 AC_ARG_ENABLE(pthreads,
537 AS_HELP_STRING([--enable-pthreads],
538 [Use pthreads if available (default is YES)]),,
541 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
542 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
543 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
544 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
547 dnl Allow building without position independent code
549 AS_HELP_STRING([--enable-pic],
550 [Build LLVM with Position Independent Code (default is YES)]),,
553 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
554 no) AC_SUBST(ENABLE_PIC,[0]) ;;
555 default) AC_SUBST(ENABLE_PIC,[1]) ;;
556 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
558 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
559 [Define if position independent code is enabled])
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)]),,
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"]) ;;
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)]),,
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"]) ;;
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)]),,
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"]) ;;
596 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
597 [Define if timestamp information (e.g., __DATE___) is allowed])
599 dnl Allow specific targets to be specified for building (or not)
601 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
602 [Build specific host targets: all or target1,target2,... Valid targets are:
603 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
604 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
606 if test "$enableval" = host-only ; then
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
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]) ;;
646 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
651 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
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"
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])
684 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
685 # target feature def files.
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";
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";
698 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
699 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
702 AC_SUBST(LLVM_ENUM_TARGETS)
703 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
704 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
705 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
707 dnl Prevent the CBackend from using printf("%a") for floating point so older
708 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
709 dnl can still compile the CBE's output
710 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
711 [Enable C Backend output with hex floating point via %a (default is YES)]),,
714 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
715 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
716 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
717 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
719 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
720 [Define if CBE is enabled for printf %a output])
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)]),,
728 default) WITH_LLVMGCCDIR=default ;;
729 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
730 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
733 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
735 AS_HELP_STRING([--with-llvmgcc],
736 [Specify location of llvm-gcc driver (default searches PATH)]),
737 LLVMGCC=$with_llvmgcc
740 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
742 AS_HELP_STRING([--with-llvmgxx],
743 [Specify location of llvm-g++ driver (default searches PATH)]),
744 LLVMGXX=$with_llvmgxx
747 if test -n "$LLVMGCC"; then
748 LLVMGCCCOMMAND="$LLVMGCC"
751 if test -n "$LLVMGXX"; then
752 LLVMGXXCOMMAND="$LLVMGXX"
755 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
756 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
759 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
760 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
763 dnl Allow a specific Clang compiler to be used with this LLVM config.
765 AS_HELP_STRING([--with-clang],
766 [Specify location of clang compiler (default is --with-built-clang)]),
767 [],[with_clang=default])
769 dnl Enable use of the built Clang.
770 AC_ARG_WITH(built-clang,
771 AS_HELP_STRING([--with-built-clang],
772 [Use the compiled Clang as the LLVM compiler (default=check)]),
773 [],[with_built_clang=check])
775 dnl Select the Clang compiler option.
777 dnl If --with-clang is given, always honor that; otherwise honor
778 dnl --with-built-clang, or check if we have the clang sources.
779 AC_MSG_CHECKING([clang compiler])
782 if test "$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])
787 elif test "$with_built_clang" = "yes"; then
789 elif test "$with_built_clang" = "no"; then
792 if test "$with_built_clang" != "check"; then
793 AC_MSG_ERROR([invalid value for --with-built-clang.])
796 if test -f ${srcdir}/tools/clang/README.txt; then
801 if ! test -z "$WITH_CLANGPATH"; then
802 AC_MSG_RESULT([$WITH_CLANGPATH])
803 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
804 elif test "$WITH_BUILT_CLANG" = "1"; then
805 AC_MSG_RESULT([built])
807 AC_MSG_RESULT([none])
809 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
810 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
811 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
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]),,
818 AC_MSG_CHECKING([optimization flags])
821 case "$llvm_cv_os_type" in
822 FreeBSD) optimize_option=-O2 ;;
823 MingW) optimize_option=-O2 ;;
824 *) optimize_option=-O3 ;;
826 *) optimize_option="$withval" ;;
828 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
829 AC_MSG_RESULT([$optimize_option])
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]),,
837 default) EXTRA_OPTIONS= ;;
838 *) EXTRA_OPTIONS=$withval ;;
840 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
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]),,
848 default) EXTRA_LD_OPTIONS= ;;
849 *) EXTRA_LD_OPTIONS=$withval ;;
851 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
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)]),,
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
864 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
865 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
871 dnl Allow the ocaml libdir to be overridden. This could go in a configure
872 dnl script for bindings/ocaml/configure, except that its auto value depends on
873 dnl OCAMLC, which is found here to support tests.
874 AC_ARG_WITH([ocaml-libdir],
875 [AS_HELP_STRING([--with-ocaml-libdir],
876 [Specify install location for ocaml bindings (default is stdlib)])],
880 auto) with_ocaml_libdir="$withval" ;;
881 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
882 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
885 AC_ARG_WITH(clang-resource-dir,
886 AS_HELP_STRING([--with-clang-resource-dir],
887 [Relative directory from the Clang binary for resource files]),,
889 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
890 [Relative directory for resource files])
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]),,
896 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
897 [Directories clang will search for headers])
899 AC_ARG_WITH(cxx-include-root,
900 AS_HELP_STRING([--with-cxx-include-root],
901 [Directory with the libstdc++ headers.]),,
903 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
904 [Directory with the libstdc++ headers.])
906 AC_ARG_WITH(cxx-include-arch,
907 AS_HELP_STRING([--with-cxx-include-arch],
908 [Architecture of the libstdc++ headers.]),,
910 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
911 [Arch the libstdc++ headers.])
913 AC_ARG_WITH(cxx-include-32bit-dir,
914 AS_HELP_STRING([--with-cxx-include-32bit-dir],
915 [32 bit multilib dir.]),,
917 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
918 [32 bit multilib directory.])
920 AC_ARG_WITH(cxx-include-64bit-dir,
921 AS_HELP_STRING([--with-cxx-include-64bit-dir],
922 [64 bit multilib directory.]),,
924 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
925 [64 bit multilib directory.])
927 dnl Allow linking of LLVM with GPLv3 binutils code.
928 AC_ARG_WITH(binutils-include,
929 AS_HELP_STRING([--with-binutils-include],
930 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
933 default) WITH_BINUTILS_INCDIR=default ;;
934 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
935 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
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.]);
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,"$withval",
953 dnl --enable-libffi : check whether the user wants to turn off libffi:
954 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
955 --enable-libffi,[Check for the presence of libffi (default is NO)]),
956 [case "$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"]) ;;
961 llvm_cv_enable_libffi=no)
963 dnl===-----------------------------------------------------------------------===
965 dnl=== SECTION 4: Check for programs we need and that they are the right version
967 dnl===-----------------------------------------------------------------------===
969 dnl Check for compilation tools
977 dnl Check for the tools that the makefiles require
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])
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])
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:\//' `
1002 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1003 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
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:\//' `
1012 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1013 [Define to path to dot program if found or 'echo dot' otherwise])
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:\//' `
1022 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1023 [Define to path to fdp program if found or 'echo fdp' otherwise])
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:\//' `
1032 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1033 [Define to path to neato program if found or 'echo neato' otherwise])
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:\//' `
1042 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1043 [Define to path to twopi program if found or 'echo twopi' otherwise])
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:\//' `
1052 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1053 [Define to path to circo program if found or 'echo circo' otherwise])
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:\//' `
1062 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1063 [Define to path to gv program if found or 'echo gv' otherwise])
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:\//' `
1072 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1073 [Define to path to dotty program if found or 'echo dotty' otherwise])
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:\//' `
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])
1086 dnl Look for a sufficiently recent version of Perl.
1087 LLVM_PROG_PERL([5.006])
1089 if test x"$PERL" = xnone; then
1090 AC_SUBST(HAVE_PERL,0)
1091 AC_MSG_ERROR([perl is required but was not found, please install it])
1093 AC_SUBST(HAVE_PERL,1)
1096 dnl Find the install program
1098 dnl Prepend src dir to install path dir if it's a relative path
1099 dnl This is a hack for installs that take place in something other
1100 dnl than the top level.
1102 [[\\/$]]* | ?:[[\\/]]* ) ;;
1103 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1106 dnl Checks for documentation and testing tools that we can do without. If these
1107 dnl are not found then they are set to "true" which always succeeds but does
1108 dnl nothing. This just lets the build output show that we could have done
1109 dnl something if the tool was available.
1110 AC_PATH_PROG(BZIP2, [bzip2])
1111 AC_PATH_PROG(CAT, [cat])
1112 AC_PATH_PROG(DOXYGEN, [doxygen])
1113 AC_PATH_PROG(GROFF, [groff])
1114 AC_PATH_PROG(GZIPBIN, [gzip])
1115 AC_PATH_PROG(POD2HTML, [pod2html])
1116 AC_PATH_PROG(POD2MAN, [pod2man])
1117 AC_PATH_PROG(PDFROFF, [pdfroff])
1118 AC_PATH_PROG(RUNTEST, [runtest])
1120 AC_PATH_PROG(ZIP, [zip])
1121 AC_PATH_PROGS(OCAMLC, [ocamlc])
1122 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1123 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1124 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1125 AC_PATH_PROGS(GAS, [gas as])
1127 dnl Get the version of the linker in use.
1130 dnl Determine whether the linker supports the -R option.
1133 dnl Determine whether the linker supports the -export-dynamic option.
1134 AC_LINK_EXPORT_DYNAMIC
1136 dnl Determine whether the linker supports the --version-script option.
1137 AC_LINK_VERSION_SCRIPT
1139 dnl Check for libtool and the library that has dlopen function (which must come
1140 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1145 if test "$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, $LLVMGXX, [])
1155 if test -z "$LLVMGCC"; then
1156 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1157 LLVMGCCCOMMAND="$LLVMGCC"
1159 if test -z "$LLVMGXX"; then
1160 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1161 LLVMGXXCOMMAND="$LLVMGXX"
1164 AC_SUBST(LLVMGCC,$LLVMGCC)
1165 AC_SUBST(LLVMGXX,$LLVMGXX)
1166 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1167 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1170 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1171 dnl found, otherwise clang if available.
1173 AS_HELP_STRING([--with-llvmcc=<name>],
1174 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1175 [],[with_llvmcc=check])
1176 AC_MSG_CHECKING([LLVM capable compiler])
1177 if test "$with_llvmcc" != "check"; then
1178 if (test "$with_llvmcc" != "llvm-gcc" &&
1179 test "$with_llvmcc" != "clang" &&
1180 test "$with_llvmcc" != "none"); then
1181 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1183 WITH_LLVMCC="$with_llvmcc"
1184 elif test -n "$LLVMGCC"; then
1185 WITH_LLVMCC=llvm-gcc
1186 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1191 AC_MSG_RESULT([$WITH_LLVMCC])
1192 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1194 AC_MSG_CHECKING([tool compatibility])
1196 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1197 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1198 dnl to support those options.
1199 dnl "icc" emits gcc signatures
1200 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1212 if test "$GCC" != "yes" && test "$ICC" != "yes"
1214 AC_MSG_ERROR([gcc|icc required but not found])
1217 dnl Ensure that compilation tools are compatible with GCC extensions
1218 if test "$GXX" != "yes" && test "$IXX" != "yes"
1220 AC_MSG_ERROR([g++|clang++|icc required but not found])
1223 dnl Verify that GCC is version 3.0 or higher
1224 if test "$GCC" = "yes"
1226 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1227 #error Unsupported GCC version
1229 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1232 dnl Check for GNU Make. We use its extensions, so don't build without it
1233 if test -z "$llvm_cv_gnu_make_command"
1235 AC_MSG_ERROR([GNU Make required but not found])
1238 dnl Tool compatibility is okay if we make it here.
1241 dnl Check optional compiler flags.
1242 AC_MSG_CHECKING([optional compiler flags])
1243 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1244 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1245 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1247 dnl===-----------------------------------------------------------------------===
1249 dnl=== SECTION 5: Check for libraries
1251 dnl===-----------------------------------------------------------------------===
1254 if test "$llvm_cv_os_type" = "MingW" ; then
1255 AC_CHECK_LIB(imagehlp, main)
1256 AC_CHECK_LIB(psapi, main)
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]))
1264 dnl libffi is optional; used to call external functions from the interpreter
1265 if test "$llvm_cv_enable_libffi" = "yes" ; then
1266 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1267 [Define if libffi is available on this platform.]),
1268 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1271 dnl mallinfo is optional; the code can compile (minus features) without it
1272 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1273 [Define if mallinfo() is available on this platform.]))
1275 dnl pthread locking functions are optional - but llvm will not be thread-safe
1277 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1278 AC_CHECK_LIB(pthread, pthread_mutex_init)
1279 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1280 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1281 [Have pthread_mutex_lock]))
1282 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1283 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1284 [Have pthread_rwlock_init]))
1285 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1286 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1287 [Have pthread_getspecific]))
1290 dnl Allow extra x86-disassembler library
1292 AS_HELP_STRING([--with-udis86=<path>],
1293 [Use udis86 external x86 disassembler library]),
1295 AC_SUBST(USE_UDIS86, [1])
1298 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1300 AC_CHECK_LIB(udis86, ud_init, [], [
1301 echo "Error! You need to have libudis86 around."
1305 AC_SUBST(USE_UDIS86, [0]))
1306 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1307 [Define if use udis86 library])
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]),
1314 AC_SUBST(USE_OPROFILE, [1])
1316 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1318 AC_SUBST(USE_OPROFILE, [0]) ;;
1319 *) llvm_cv_oppath="${withval}/lib/oprofile"
1320 CPPFLAGS="-I${withval}/include";;
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
1328 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1329 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1330 echo "Error! You need to have libopagent around."
1333 AC_CHECK_HEADER([opagent.h], [], [
1334 echo "Error! You need to have opagent.h around."
1340 AC_SUBST(USE_OPROFILE, [0])
1342 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1343 [Define if we have the oprofile JIT-support library])
1345 dnl===-----------------------------------------------------------------------===
1347 dnl=== SECTION 6: Check for header files
1349 dnl===-----------------------------------------------------------------------===
1351 dnl First, use autoconf provided macros for specific headers that we need
1352 dnl We don't check for ancient stuff or things that are guaranteed to be there
1353 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1354 dnl Generally we're looking for POSIX headers.
1356 AC_HEADER_MMAP_ANONYMOUS
1362 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1363 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1364 AC_CHECK_HEADERS([utime.h windows.h])
1365 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1366 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1367 AC_CHECK_HEADERS([valgrind/valgrind.h])
1368 AC_CHECK_HEADERS([fenv.h])
1369 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1370 AC_CHECK_HEADERS(pthread.h,
1371 AC_SUBST(HAVE_PTHREAD, 1),
1372 AC_SUBST(HAVE_PTHREAD, 0))
1374 AC_SUBST(HAVE_PTHREAD, 0)
1377 dnl Try to find ffi.h.
1378 if test "$llvm_cv_enable_libffi" = "yes" ; then
1379 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1382 dnl Try to find Darwin specific crash reporting libraries.
1383 AC_CHECK_HEADERS([CrashReporterClient.h])
1385 dnl Try to find Darwin specific crash reporting global.
1386 AC_MSG_CHECKING([__crashreporter_info__])
1389 [[extern const char *__crashreporter_info__;
1391 __crashreporter_info__ = "test";
1396 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1398 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1399 Define if __crashreporter_info__ exists.))
1401 dnl===-----------------------------------------------------------------------===
1403 dnl=== SECTION 7: Check for types and structures
1405 dnl===-----------------------------------------------------------------------===
1410 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
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])))
1417 dnl===-----------------------------------------------------------------------===
1419 dnl=== SECTION 8: Check for specific functions needed
1421 dnl===-----------------------------------------------------------------------===
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])
1434 dnl Check the declaration "Secure API" on Windows environments.
1435 AC_CHECK_DECLS([strerror_s])
1437 dnl Check symbols in libgcc.a for JIT on Mingw.
1438 if test "$llvm_cv_os_type" = "MingW" ; then
1439 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1440 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1441 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1442 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1444 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1445 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1446 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1447 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1448 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1449 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1450 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1451 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1452 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1453 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1455 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1456 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1459 dnl Check Win32 API EnumerateLoadedModules.
1460 if test "$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));]],
1467 AC_MSG_RESULT([yes])
1468 llvm_cv_win32_elmcb_pcstr="PCSTR"
1472 llvm_cv_win32_elmcb_pcstr="PSTR"
1474 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1477 dnl Check for variations in the Standard C++ library and STL. These macros are
1478 dnl provided by LLVM in the autoconf/m4 directory.
1482 dnl Check for mmap support.We also need to know if /dev/zero is required to
1483 dnl be opened for allocating RWX memory.
1484 dnl Make sure we aren't attempting to configure for an unknown system
1485 if test "$llvm_cv_platform_type" = "Unix" ; then
1488 AC_NEED_DEV_ZERO_FOR_MMAP
1490 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1492 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1494 if test "$ac_cv_func_mmap_file" = "no"
1496 AC_MSG_WARN([mmap() of files required but not found])
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.
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);
1518 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
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]))
1523 dnl===-----------------------------------------------------------------------===
1525 dnl=== SECTION 9: Additional checks, variables, etc.
1527 dnl===-----------------------------------------------------------------------===
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
1533 if test "$llvm_cv_linux_mixed" = "yes"; then
1534 llvm_cv_target_arch="x86"
1539 dnl Check, whether __dso_handle is present
1540 AC_CHECK_FUNCS([__dso_handle])
1542 dnl Check wether llvm-gcc is based on dragonegg
1543 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1544 [llvm_cv_llvmgcc_dragonegg="no"
1545 if test -n "$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 $? -eq 0 ; then
1549 llvm_cv_llvmgcc_dragonegg="yes"
1554 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1556 if test "$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"
1560 LLVMCC_EMITIR_FLAG="-emit-llvm"
1561 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1564 AC_SUBST(LLVMCC_EMITIR_FLAG)
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 $? -eq 0 ; then
1574 llvm_cv_llvmgcc_sanity="yes"
1579 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1580 dnl Furthermore, add some information about the tools
1581 if test "$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)
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,$libltdl_cv_shlibext)
1600 dnl Propagate the run-time library path variable that the libltdl
1601 dnl checks found to the Makefiles so we can use it there too
1602 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
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 "${prefix}" = "NONE" ; then
1610 eval LLVM_PREFIX="${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)
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, "$host",
1654 [Host triple we were built on])
1656 # Determine which bindings to build.
1657 if test "$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 $BINDINGS_TO_BUILD"
1663 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1665 # This isn't really configurey, but it avoids having to repeat the list in
1667 AC_SUBST(ALL_BINDINGS,ocaml)
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
1674 if test "x$OCAMLC" = x ; then
1675 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1676 binding_prereqs_failed=1
1678 if test "x$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
1682 if test "x$OCAMLOPT" = x ; then
1683 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1684 dnl ocamlopt is optional!
1686 if test "x$with_ocaml_libdir" != xauto ; then
1687 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1689 ocaml_stdlib="`"$OCAMLC" -where`"
1690 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1692 # ocaml stdlib is beneath our prefix; use stdlib
1693 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1695 # ocaml stdlib is outside our prefix; use libdir/ocaml
1696 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1702 if test "$binding_prereqs_failed" = 1 ; then
1703 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1706 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1707 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1709 dnl Determine linker rpath flag
1710 if test "$llvm_cv_link_use_r" = "yes" ; then
1717 dnl Determine linker rdynamic flag
1718 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1719 RDYNAMIC="-Wl,-export-dynamic"
1725 dnl===-----------------------------------------------------------------------===
1727 dnl=== SECTION 10: Specify the output files and generate it
1729 dnl===-----------------------------------------------------------------------===
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
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])
1747 dnl Configure the makefile's configuration data
1748 AC_CONFIG_FILES([Makefile.config])
1750 dnl Configure the RPM spec file for LLVM
1751 AC_CONFIG_FILES([llvm.spec])
1753 dnl Configure doxygen's configuration file
1754 AC_CONFIG_FILES([docs/doxygen.cfg])
1755 if test -f ${srcdir}/tools/clang/README.txt; then
1756 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1759 dnl Configure llvmc's Base plugin
1760 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1762 dnl Do the first stage of configuration for llvm-config.in.
1763 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1765 dnl Do special configuration of Makefiles
1766 AC_CONFIG_COMMANDS([setup],,[llvm_src="${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)
1781 dnl Finally, crank out the output