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="NativeClient" ;;
305 llvm_cv_target_os_type="Freestanding" ;;
307 llvm_cv_target_os_type="Unknown" ;;
310 dnl Make sure we aren't attempting to configure for an unknown system
311 if test "$llvm_cv_os_type" = "Unknown" ; then
312 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
315 dnl Set the "OS" Makefile variable based on the platform type so the
316 dnl makefile can configure itself to specific build hosts
317 AC_SUBST(OS,$llvm_cv_os_type)
318 AC_SUBST(HOST_OS,$llvm_cv_os_type)
319 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
321 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
322 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
323 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
325 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
326 dnl This is used by lib/Support to determine the basic kind of implementation
328 case $llvm_cv_platform_type in
330 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
331 AC_SUBST(LLVM_ON_UNIX,[1])
332 AC_SUBST(LLVM_ON_WIN32,[0])
335 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
336 AC_SUBST(LLVM_ON_UNIX,[0])
337 AC_SUBST(LLVM_ON_WIN32,[1])
341 dnl Determine what our target architecture is and configure accordingly.
342 dnl This will allow Makefiles to make a distinction between the hardware and
344 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
346 i?86-*) llvm_cv_target_arch="x86" ;;
347 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
348 sparc*-*) llvm_cv_target_arch="Sparc" ;;
349 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
350 alpha*-*) llvm_cv_target_arch="Alpha" ;;
351 arm*-*) llvm_cv_target_arch="ARM" ;;
352 mips-*) llvm_cv_target_arch="Mips" ;;
353 xcore-*) llvm_cv_target_arch="XCore" ;;
354 msp430-*) llvm_cv_target_arch="MSP430" ;;
355 s390x-*) llvm_cv_target_arch="SystemZ" ;;
356 bfin-*) llvm_cv_target_arch="Blackfin" ;;
357 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
358 ptx-*) llvm_cv_target_arch="PTX" ;;
359 *) llvm_cv_target_arch="Unknown" ;;
362 if test "$llvm_cv_target_arch" = "Unknown" ; then
363 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
366 # Determine the LLVM native architecture for the target
367 case "$llvm_cv_target_arch" in
368 x86) LLVM_NATIVE_ARCH="X86" ;;
369 x86_64) LLVM_NATIVE_ARCH="X86" ;;
370 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
373 dnl Define a substitution, ARCH, for the target architecture
374 AC_SUBST(ARCH,$llvm_cv_target_arch)
376 dnl Check for the endianness of the target
377 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
379 dnl Check for build platform executable suffix if we're crosscompiling
380 if test "$cross_compiling" = yes; then
381 AC_SUBST(LLVM_CROSS_COMPILING, [1])
383 ac_build_prefix=${build_alias}-
384 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
385 if test -z "$BUILD_CXX"; then
386 AC_CHECK_PROG(BUILD_CXX, g++, g++)
387 if test -z "$BUILD_CXX"; then
388 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
392 AC_SUBST(LLVM_CROSS_COMPILING, [0])
395 dnl Check to see if there's a .svn or .git directory indicating that this
396 dnl build is being done from a checkout. This sets up several defaults for
397 dnl the command line switches. When we build with a checkout directory,
398 dnl we get a debug with assertions turned on. Without, we assume a source
399 dnl release and we get an optimized build without assertions.
400 dnl See --enable-optimized and --enable-assertions below
401 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
404 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
410 dnl===-----------------------------------------------------------------------===
412 dnl=== SECTION 3: Command line arguments for the configure script.
414 dnl===-----------------------------------------------------------------------===
416 dnl --enable-optimized : check whether they want to do an optimized build:
417 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
418 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
419 if test ${enableval} = "no" ; then
420 AC_SUBST(ENABLE_OPTIMIZED,[[]])
422 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
425 dnl --enable-profiling : check whether they want to do a profile build:
426 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
427 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
428 if test ${enableval} = "no" ; then
429 AC_SUBST(ENABLE_PROFILING,[[]])
431 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
434 dnl --enable-assertions : check whether they want to turn on assertions or not:
435 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
436 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
437 if test ${enableval} = "yes" ; then
438 AC_SUBST(DISABLE_ASSERTIONS,[[]])
440 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
443 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
444 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
445 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
446 if test ${enableval} = "yes" ; then
447 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
448 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
450 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
451 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
454 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
455 AC_ARG_ENABLE(debug-runtime,
456 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
457 if test ${enableval} = "no" ; then
458 AC_SUBST(DEBUG_RUNTIME,[[]])
460 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
463 dnl --enable-debug-symbols : should even optimized compiler libraries
464 dnl have debug symbols?
465 AC_ARG_ENABLE(debug-symbols,
466 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)
467 if test ${enableval} = "no" ; then
468 AC_SUBST(DEBUG_SYMBOLS,[[]])
470 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
473 dnl --enable-jit: check whether they want to enable the jit
475 AS_HELP_STRING(--enable-jit,
476 [Enable Just In Time Compiling (default is YES)]),,
478 if test ${enableval} = "no"
482 case "$llvm_cv_target_arch" in
483 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
484 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
485 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
486 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
487 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
488 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
489 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
490 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
492 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
493 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
494 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
495 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
496 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
500 dnl Allow enablement of building and installing docs
502 AS_HELP_STRING([--enable-docs],
503 [Build documents (default is YES)]),,
506 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
507 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
508 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
509 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
512 dnl Allow enablement of doxygen generated documentation
513 AC_ARG_ENABLE(doxygen,
514 AS_HELP_STRING([--enable-doxygen],
515 [Build doxygen documentation (default is NO)]),,
518 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
519 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
520 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
521 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
524 dnl Allow disablement of threads
525 AC_ARG_ENABLE(threads,
526 AS_HELP_STRING([--enable-threads],
527 [Use threads if available (default is YES)]),,
530 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
531 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
532 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
533 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
535 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
537 dnl Allow disablement of pthread.h
538 AC_ARG_ENABLE(pthreads,
539 AS_HELP_STRING([--enable-pthreads],
540 [Use pthreads if available (default is YES)]),,
543 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
544 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
545 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
546 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
549 dnl Allow building without position independent code
551 AS_HELP_STRING([--enable-pic],
552 [Build LLVM with Position Independent Code (default is YES)]),,
555 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
556 no) AC_SUBST(ENABLE_PIC,[0]) ;;
557 default) AC_SUBST(ENABLE_PIC,[1]) ;;
558 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
560 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
561 [Define if position independent code is enabled])
563 dnl Allow building a shared library and linking tools against it.
564 AC_ARG_ENABLE(shared,
565 AS_HELP_STRING([--enable-shared],
566 [Build a shared library and link tools against it (default is NO)]),,
569 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
570 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
571 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
572 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
575 dnl Allow libstdc++ is embedded in LLVM.dll.
576 AC_ARG_ENABLE(embed-stdcxx,
577 AS_HELP_STRING([--enable-embed-stdcxx],
578 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
581 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
582 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
583 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
584 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
587 dnl Enable embedding timestamp information into build.
588 AC_ARG_ENABLE(timestamps,
589 AS_HELP_STRING([--enable-timestamps],
590 [Enable embedding timestamp information in build (default is YES)]),,
593 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
594 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
595 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
596 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
598 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
599 [Define if timestamp information (e.g., __DATE___) is allowed])
601 dnl Allow specific targets to be specified for building (or not)
603 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
604 [Build specific host targets: all or target1,target2,... Valid targets are:
605 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
606 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
608 if test "$enableval" = host-only ; then
612 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
613 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
615 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
616 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
617 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
618 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
619 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
620 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
621 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
622 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
623 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
624 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
625 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
626 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
627 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
628 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
629 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
630 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
631 host) case "$llvm_cv_target_arch" in
632 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
633 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
634 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
635 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
636 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
637 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
638 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
639 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
640 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
641 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
642 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
643 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
644 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
645 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
646 *) AC_MSG_ERROR([Can not set target to build]) ;;
648 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
653 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
655 # Determine whether we are building LLVM support for the native architecture.
656 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
657 for a_target in $TARGETS_TO_BUILD; do
658 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
659 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
660 [LLVM architecture name for the native architecture, if available])
661 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
662 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
663 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
664 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
665 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
666 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
668 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
669 [LLVM name for the native Target init function, if available])
670 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
671 [LLVM name for the native TargetInfo init function, if available])
672 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
673 [LLVM name for the native target MC init function, if available])
674 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
675 [LLVM name for the native AsmPrinter init function, if available])
676 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
677 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
678 [LLVM name for the native AsmParser init function, if available])
683 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
684 # target feature def files.
686 LLVM_ENUM_ASM_PRINTERS=""
687 LLVM_ENUM_ASM_PARSERS=""
688 LLVM_ENUM_DISASSEMBLERS=""
689 for target_to_build in $TARGETS_TO_BUILD; do
690 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
691 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
692 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
694 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
695 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
697 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
698 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
701 AC_SUBST(LLVM_ENUM_TARGETS)
702 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
703 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
704 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
706 dnl Prevent the CBackend from using printf("%a") for floating point so older
707 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
708 dnl can still compile the CBE's output
709 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
710 [Enable C Backend output with hex floating point via %a (default is YES)]),,
713 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
714 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
715 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
716 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
718 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
719 [Define if CBE is enabled for printf %a output])
721 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
722 AC_ARG_WITH(llvmgccdir,
723 AS_HELP_STRING([--with-llvmgccdir],
724 [Specify location of llvm-gcc install dir (default searches PATH)]),,
727 default) WITH_LLVMGCCDIR=default ;;
728 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
729 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
732 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
734 AS_HELP_STRING([--with-llvmgcc],
735 [Specify location of llvm-gcc driver (default searches PATH)]),
736 LLVMGCC=$with_llvmgcc
739 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
741 AS_HELP_STRING([--with-llvmgxx],
742 [Specify location of llvm-g++ driver (default searches PATH)]),
743 LLVMGXX=$with_llvmgxx
746 if test -n "$LLVMGCC"; then
747 LLVMGCCCOMMAND="$LLVMGCC"
750 if test -n "$LLVMGXX"; then
751 LLVMGXXCOMMAND="$LLVMGXX"
754 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
755 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
758 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
759 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
762 dnl Allow a specific Clang compiler to be used with this LLVM config.
764 AS_HELP_STRING([--with-clang],
765 [Specify location of clang compiler (default is --with-built-clang)]),
766 [],[with_clang=default])
768 dnl Enable use of the built Clang.
769 AC_ARG_WITH(built-clang,
770 AS_HELP_STRING([--with-built-clang],
771 [Use the compiled Clang as the LLVM compiler (default=check)]),
772 [],[with_built_clang=check])
774 dnl Select the Clang compiler option.
776 dnl If --with-clang is given, always honor that; otherwise honor
777 dnl --with-built-clang, or check if we have the clang sources.
778 AC_MSG_CHECKING([clang compiler])
781 if test "$with_clang" != "default"; then
782 WITH_CLANGPATH="$with_clang"
783 if ! test -x "$WITH_CLANGPATH"; then
784 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
786 elif test "$with_built_clang" = "yes"; then
788 elif test "$with_built_clang" = "no"; then
791 if test "$with_built_clang" != "check"; then
792 AC_MSG_ERROR([invalid value for --with-built-clang.])
795 if test -f ${srcdir}/tools/clang/README.txt; then
800 if ! test -z "$WITH_CLANGPATH"; then
801 AC_MSG_RESULT([$WITH_CLANGPATH])
802 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
803 elif test "$WITH_BUILT_CLANG" = "1"; then
804 AC_MSG_RESULT([built])
806 AC_MSG_RESULT([none])
808 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
809 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
810 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
812 dnl Override the option to use for optimized builds.
813 AC_ARG_WITH(optimize-option,
814 AS_HELP_STRING([--with-optimize-option],
815 [Select the compiler options to use for optimized builds]),,
817 AC_MSG_CHECKING([optimization flags])
820 case "$llvm_cv_os_type" in
821 FreeBSD) optimize_option=-O2 ;;
822 MingW) optimize_option=-O2 ;;
823 *) optimize_option=-O3 ;;
825 *) optimize_option="$withval" ;;
827 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
828 AC_MSG_RESULT([$optimize_option])
830 dnl Specify extra build options
831 AC_ARG_WITH(extra-options,
832 AS_HELP_STRING([--with-extra-options],
833 [Specify additional options to compile LLVM with]),,
836 default) EXTRA_OPTIONS= ;;
837 *) EXTRA_OPTIONS=$withval ;;
839 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
841 dnl Specify extra linker build options
842 AC_ARG_WITH(extra-ld-options,
843 AS_HELP_STRING([--with-extra-ld-options],
844 [Specify additional options to link LLVM with]),,
847 default) EXTRA_LD_OPTIONS= ;;
848 *) EXTRA_LD_OPTIONS=$withval ;;
850 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
852 dnl Allow specific bindings to be specified for building (or not)
853 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
854 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
858 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
859 all ) BINDINGS_TO_BUILD="ocaml" ;;
860 none | no) BINDINGS_TO_BUILD="" ;;
861 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
863 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
864 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
870 dnl Allow the ocaml libdir to be overridden. This could go in a configure
871 dnl script for bindings/ocaml/configure, except that its auto value depends on
872 dnl OCAMLC, which is found here to support tests.
873 AC_ARG_WITH([ocaml-libdir],
874 [AS_HELP_STRING([--with-ocaml-libdir],
875 [Specify install location for ocaml bindings (default is stdlib)])],
879 auto) with_ocaml_libdir="$withval" ;;
880 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
881 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
884 AC_ARG_WITH(clang-resource-dir,
885 AS_HELP_STRING([--with-clang-resource-dir],
886 [Relative directory from the Clang binary for resource files]),,
888 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
889 [Relative directory for resource files])
891 AC_ARG_WITH(c-include-dirs,
892 AS_HELP_STRING([--with-c-include-dirs],
893 [Colon separated list of directories clang will search for headers]),,
895 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
896 [Directories clang will search for headers])
898 AC_ARG_WITH(cxx-include-root,
899 AS_HELP_STRING([--with-cxx-include-root],
900 [Directory with the libstdc++ headers.]),,
902 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
903 [Directory with the libstdc++ headers.])
905 AC_ARG_WITH(cxx-include-arch,
906 AS_HELP_STRING([--with-cxx-include-arch],
907 [Architecture of the libstdc++ headers.]),,
909 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
910 [Arch the libstdc++ headers.])
912 AC_ARG_WITH(cxx-include-32bit-dir,
913 AS_HELP_STRING([--with-cxx-include-32bit-dir],
914 [32 bit multilib dir.]),,
916 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
917 [32 bit multilib directory.])
919 AC_ARG_WITH(cxx-include-64bit-dir,
920 AS_HELP_STRING([--with-cxx-include-64bit-dir],
921 [64 bit multilib directory.]),,
923 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
924 [64 bit multilib directory.])
926 dnl Allow linking of LLVM with GPLv3 binutils code.
927 AC_ARG_WITH(binutils-include,
928 AS_HELP_STRING([--with-binutils-include],
929 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
932 default) WITH_BINUTILS_INCDIR=default ;;
933 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
934 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
936 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
937 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
938 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
939 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
940 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
944 dnl Specify the URL where bug reports should be submitted.
945 AC_ARG_WITH(bug-report-url,
946 AS_HELP_STRING([--with-bug-report-url],
947 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
948 withval="http://llvm.org/bugs/")
949 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
952 dnl --enable-libffi : check whether the user wants to turn off libffi:
953 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
954 --enable-libffi,[Check for the presence of libffi (default is NO)]),
955 [case "$enableval" in
956 yes) llvm_cv_enable_libffi="yes" ;;
957 no) llvm_cv_enable_libffi="no" ;;
958 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
960 llvm_cv_enable_libffi=no)
962 dnl===-----------------------------------------------------------------------===
964 dnl=== SECTION 4: Check for programs we need and that they are the right version
966 dnl===-----------------------------------------------------------------------===
968 dnl Check for compilation tools
970 AC_PROG_CC(clang llvm-gcc gcc)
971 AC_PROG_CXX(clang++ llvm-g++ g++)
976 dnl Check for the tools that the makefiles require
979 AC_PATH_PROG(CMP, [cmp], [cmp])
980 AC_PATH_PROG(CP, [cp], [cp])
981 AC_PATH_PROG(DATE, [date], [date])
982 AC_PATH_PROG(FIND, [find], [find])
983 AC_PATH_PROG(GREP, [grep], [grep])
984 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
985 AC_PATH_PROG(MV, [mv], [mv])
987 AC_CHECK_TOOL(AR, ar, false)
988 AC_PATH_PROG(RM, [rm], [rm])
989 AC_PATH_PROG(SED, [sed], [sed])
990 AC_PATH_PROG(TAR, [tar], [gtar])
991 AC_PATH_PROG(BINPWD,[pwd], [pwd])
993 dnl Looking for misc. graph plotting software
994 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
995 if test "$GRAPHVIZ" != "echo Graphviz" ; then
996 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
997 dnl If we're targeting for mingw we should emit windows paths, not msys
998 if test "$llvm_cv_os_type" = "MingW" ; then
999 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1001 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1002 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1004 AC_PATH_PROG(DOT, [dot], [echo dot])
1005 if test "$DOT" != "echo dot" ; then
1006 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1007 dnl If we're targeting for mingw we should emit windows paths, not msys
1008 if test "$llvm_cv_os_type" = "MingW" ; then
1009 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1011 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1012 [Define to path to dot program if found or 'echo dot' otherwise])
1014 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1015 if test "$FDP" != "echo fdp" ; then
1016 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1017 dnl If we're targeting for mingw we should emit windows paths, not msys
1018 if test "$llvm_cv_os_type" = "MingW" ; then
1019 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1021 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1022 [Define to path to fdp program if found or 'echo fdp' otherwise])
1024 AC_PATH_PROG(NEATO, [neato], [echo neato])
1025 if test "$NEATO" != "echo neato" ; then
1026 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1027 dnl If we're targeting for mingw we should emit windows paths, not msys
1028 if test "$llvm_cv_os_type" = "MingW" ; then
1029 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1031 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1032 [Define to path to neato program if found or 'echo neato' otherwise])
1034 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1035 if test "$TWOPI" != "echo twopi" ; then
1036 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1037 dnl If we're targeting for mingw we should emit windows paths, not msys
1038 if test "$llvm_cv_os_type" = "MingW" ; then
1039 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1041 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1042 [Define to path to twopi program if found or 'echo twopi' otherwise])
1044 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1045 if test "$CIRCO" != "echo circo" ; then
1046 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1047 dnl If we're targeting for mingw we should emit windows paths, not msys
1048 if test "$llvm_cv_os_type" = "MingW" ; then
1049 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1051 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1052 [Define to path to circo program if found or 'echo circo' otherwise])
1054 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1055 if test "$GV" != "echo gv" ; then
1056 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1057 dnl If we're targeting for mingw we should emit windows paths, not msys
1058 if test "$llvm_cv_os_type" = "MingW" ; then
1059 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1061 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1062 [Define to path to gv program if found or 'echo gv' otherwise])
1064 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1065 if test "$DOTTY" != "echo dotty" ; then
1066 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1067 dnl If we're targeting for mingw we should emit windows paths, not msys
1068 if test "$llvm_cv_os_type" = "MingW" ; then
1069 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1071 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1072 [Define to path to dotty program if found or 'echo dotty' otherwise])
1074 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1075 if test "$XDOT_PY" != "echo xdot.py" ; then
1076 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1077 dnl If we're targeting for mingw we should emit windows paths, not msys
1078 if test "$llvm_cv_os_type" = "MingW" ; then
1079 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1081 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1082 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1085 dnl Look for a sufficiently recent version of Perl.
1086 LLVM_PROG_PERL([5.006])
1088 if test x"$PERL" = xnone; then
1089 AC_SUBST(HAVE_PERL,0)
1090 AC_MSG_ERROR([perl is required but was not found, please install it])
1092 AC_SUBST(HAVE_PERL,1)
1095 dnl Find the install program
1097 dnl Prepend src dir to install path dir if it's a relative path
1098 dnl This is a hack for installs that take place in something other
1099 dnl than the top level.
1101 [[\\/$]]* | ?:[[\\/]]* ) ;;
1102 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1105 dnl Checks for documentation and testing tools that we can do without. If these
1106 dnl are not found then they are set to "true" which always succeeds but does
1107 dnl nothing. This just lets the build output show that we could have done
1108 dnl something if the tool was available.
1109 AC_PATH_PROG(BZIP2, [bzip2])
1110 AC_PATH_PROG(CAT, [cat])
1111 AC_PATH_PROG(DOXYGEN, [doxygen])
1112 AC_PATH_PROG(GROFF, [groff])
1113 AC_PATH_PROG(GZIPBIN, [gzip])
1114 AC_PATH_PROG(POD2HTML, [pod2html])
1115 AC_PATH_PROG(POD2MAN, [pod2man])
1116 AC_PATH_PROG(PDFROFF, [pdfroff])
1117 AC_PATH_PROG(RUNTEST, [runtest])
1119 AC_PATH_PROG(ZIP, [zip])
1120 AC_PATH_PROGS(OCAMLC, [ocamlc])
1121 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1122 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1123 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1124 AC_PATH_PROGS(GAS, [gas as])
1126 dnl Get the version of the linker in use.
1129 dnl Determine whether the linker supports the -R option.
1132 dnl Determine whether the linker supports the -export-dynamic option.
1133 AC_LINK_EXPORT_DYNAMIC
1135 dnl Determine whether the linker supports the --version-script option.
1136 AC_LINK_VERSION_SCRIPT
1138 dnl Check for libtool and the library that has dlopen function (which must come
1139 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1144 if test "$WITH_LLVMGCCDIR" = "default" ; then
1145 LLVMGCC="llvm-gcc${EXEEXT}"
1146 LLVMGXX="llvm-g++${EXEEXT}"
1147 LLVMGCCCOMMAND="$LLVMGCC"
1148 LLVMGXXCOMMAND="$LLVMGXX"
1149 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1150 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1151 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1152 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1154 if test -z "$LLVMGCC"; then
1155 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1156 LLVMGCCCOMMAND="$LLVMGCC"
1158 if test -z "$LLVMGXX"; then
1159 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1160 LLVMGXXCOMMAND="$LLVMGXX"
1163 AC_SUBST(LLVMGCC,$LLVMGCC)
1164 AC_SUBST(LLVMGXX,$LLVMGXX)
1165 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1166 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1169 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1170 dnl found, otherwise clang if available.
1172 AS_HELP_STRING([--with-llvmcc=<name>],
1173 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1174 [],[with_llvmcc=check])
1175 AC_MSG_CHECKING([LLVM capable compiler])
1176 if test "$with_llvmcc" != "check"; then
1177 if (test "$with_llvmcc" != "llvm-gcc" &&
1178 test "$with_llvmcc" != "clang" &&
1179 test "$with_llvmcc" != "none"); then
1180 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1182 WITH_LLVMCC="$with_llvmcc"
1183 elif test -n "$LLVMGCC"; then
1184 WITH_LLVMCC=llvm-gcc
1185 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1190 AC_MSG_RESULT([$WITH_LLVMCC])
1191 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1193 AC_MSG_CHECKING([tool compatibility])
1195 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1196 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1197 dnl to support those options.
1198 dnl "icc" emits gcc signatures
1199 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1211 if test "$GCC" != "yes" && test "$ICC" != "yes"
1213 AC_MSG_ERROR([gcc|icc required but not found])
1216 dnl Ensure that compilation tools are compatible with GCC extensions
1217 if test "$GXX" != "yes" && test "$IXX" != "yes"
1219 AC_MSG_ERROR([g++|clang++|icc required but not found])
1222 dnl Verify that GCC is version 3.0 or higher
1223 if test "$GCC" = "yes"
1225 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1226 #error Unsupported GCC version
1228 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1231 dnl Check for GNU Make. We use its extensions, so don't build without it
1232 if test -z "$llvm_cv_gnu_make_command"
1234 AC_MSG_ERROR([GNU Make required but not found])
1237 dnl Tool compatibility is okay if we make it here.
1240 dnl Check optional compiler flags.
1241 AC_MSG_CHECKING([optional compiler flags])
1242 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1243 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1244 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1246 dnl===-----------------------------------------------------------------------===
1248 dnl=== SECTION 5: Check for libraries
1250 dnl===-----------------------------------------------------------------------===
1253 if test "$llvm_cv_os_type" = "MingW" ; then
1254 AC_CHECK_LIB(imagehlp, main)
1255 AC_CHECK_LIB(psapi, main)
1258 dnl dlopen() is required for plugin support.
1259 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1260 [Define if dlopen() is available on this platform.]),
1261 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1263 dnl libffi is optional; used to call external functions from the interpreter
1264 if test "$llvm_cv_enable_libffi" = "yes" ; then
1265 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1266 [Define if libffi is available on this platform.]),
1267 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1270 dnl mallinfo is optional; the code can compile (minus features) without it
1271 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1272 [Define if mallinfo() is available on this platform.]))
1274 dnl pthread locking functions are optional - but llvm will not be thread-safe
1276 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1277 AC_CHECK_LIB(pthread, pthread_mutex_init)
1278 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1279 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1280 [Have pthread_mutex_lock]))
1281 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1282 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1283 [Have pthread_rwlock_init]))
1284 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1285 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1286 [Have pthread_getspecific]))
1289 dnl Allow extra x86-disassembler library
1291 AS_HELP_STRING([--with-udis86=<path>],
1292 [Use udis86 external x86 disassembler library]),
1294 AC_SUBST(USE_UDIS86, [1])
1297 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1299 AC_CHECK_LIB(udis86, ud_init, [], [
1300 echo "Error! You need to have libudis86 around."
1304 AC_SUBST(USE_UDIS86, [0]))
1305 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1306 [Define if use udis86 library])
1308 dnl Allow OProfile support for JIT output.
1309 AC_ARG_WITH(oprofile,
1310 AS_HELP_STRING([--with-oprofile=<prefix>],
1311 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1313 AC_SUBST(USE_OPROFILE, [1])
1315 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1317 AC_SUBST(USE_OPROFILE, [0]) ;;
1318 *) llvm_cv_oppath="${withval}/lib/oprofile"
1319 CPPFLAGS="-I${withval}/include";;
1321 if test -n "$llvm_cv_oppath" ; then
1322 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1323 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1324 dnl libbfd is not included properly in libopagent in some Debian
1325 dnl versions. If libbfd isn't found at all, we assume opagent works
1327 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1328 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1329 echo "Error! You need to have libopagent around."
1332 AC_CHECK_HEADER([opagent.h], [], [
1333 echo "Error! You need to have opagent.h around."
1339 AC_SUBST(USE_OPROFILE, [0])
1341 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1342 [Define if we have the oprofile JIT-support library])
1344 dnl===-----------------------------------------------------------------------===
1346 dnl=== SECTION 6: Check for header files
1348 dnl===-----------------------------------------------------------------------===
1350 dnl First, use autoconf provided macros for specific headers that we need
1351 dnl We don't check for ancient stuff or things that are guaranteed to be there
1352 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1353 dnl Generally we're looking for POSIX headers.
1355 AC_HEADER_MMAP_ANONYMOUS
1361 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1362 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1363 AC_CHECK_HEADERS([utime.h windows.h])
1364 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1365 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1366 AC_CHECK_HEADERS([valgrind/valgrind.h])
1367 AC_CHECK_HEADERS([fenv.h])
1368 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1369 AC_CHECK_HEADERS(pthread.h,
1370 AC_SUBST(HAVE_PTHREAD, 1),
1371 AC_SUBST(HAVE_PTHREAD, 0))
1373 AC_SUBST(HAVE_PTHREAD, 0)
1376 dnl Try to find ffi.h.
1377 if test "$llvm_cv_enable_libffi" = "yes" ; then
1378 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1381 dnl Try to find Darwin specific crash reporting libraries.
1382 AC_CHECK_HEADERS([CrashReporterClient.h])
1384 dnl Try to find Darwin specific crash reporting global.
1385 AC_MSG_CHECKING([__crashreporter_info__])
1388 [[extern const char *__crashreporter_info__;
1390 __crashreporter_info__ = "test";
1395 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1397 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1398 Define if __crashreporter_info__ exists.))
1400 dnl===-----------------------------------------------------------------------===
1402 dnl=== SECTION 7: Check for types and structures
1404 dnl===-----------------------------------------------------------------------===
1409 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1411 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1412 AC_CHECK_TYPES([uint64_t],,
1413 AC_CHECK_TYPES([u_int64_t],,
1414 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1416 dnl===-----------------------------------------------------------------------===
1418 dnl=== SECTION 8: Check for specific functions needed
1420 dnl===-----------------------------------------------------------------------===
1422 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1423 AC_CHECK_FUNCS([powf fmodf strtof round ])
1424 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1425 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1426 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1427 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1428 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1429 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1433 dnl Check the declaration "Secure API" on Windows environments.
1434 AC_CHECK_DECLS([strerror_s])
1436 dnl Check symbols in libgcc.a for JIT on Mingw.
1437 if test "$llvm_cv_os_type" = "MingW" ; then
1438 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1439 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1440 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1441 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1443 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1444 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1445 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1446 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1447 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1448 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1449 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1450 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1451 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1452 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1454 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1455 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1458 dnl Check Win32 API EnumerateLoadedModules.
1459 if test "$llvm_cv_os_type" = "MingW" ; then
1460 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1461 AC_COMPILE_IFELSE([[#include <windows.h>
1462 #include <imagehlp.h>
1463 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1464 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1466 AC_MSG_RESULT([yes])
1467 llvm_cv_win32_elmcb_pcstr="PCSTR"
1471 llvm_cv_win32_elmcb_pcstr="PSTR"
1473 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1476 dnl Check for variations in the Standard C++ library and STL. These macros are
1477 dnl provided by LLVM in the autoconf/m4 directory.
1481 dnl Check for mmap support.We also need to know if /dev/zero is required to
1482 dnl be opened for allocating RWX memory.
1483 dnl Make sure we aren't attempting to configure for an unknown system
1484 if test "$llvm_cv_platform_type" = "Unix" ; then
1487 AC_NEED_DEV_ZERO_FOR_MMAP
1489 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1491 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1493 if test "$ac_cv_func_mmap_file" = "no"
1495 AC_MSG_WARN([mmap() of files required but not found])
1499 dnl atomic builtins are required for threading support.
1500 AC_MSG_CHECKING(for GCC atomic builtins)
1501 dnl Since we'll be using these atomic builtins in C++ files we should test
1502 dnl the C++ compiler.
1507 volatile unsigned long val = 1;
1508 __sync_synchronize();
1509 __sync_val_compare_and_swap(&val, 1, 0);
1510 __sync_add_and_fetch(&val, 1);
1511 __sync_sub_and_fetch(&val, 1);
1517 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1519 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1520 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1522 dnl===-----------------------------------------------------------------------===
1524 dnl=== SECTION 9: Additional checks, variables, etc.
1526 dnl===-----------------------------------------------------------------------===
1528 dnl Handle 32-bit linux systems running a 64-bit kernel.
1529 dnl This has to come after section 4 because it invokes the compiler.
1530 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1532 if test "$llvm_cv_linux_mixed" = "yes"; then
1533 llvm_cv_target_arch="x86"
1538 dnl Check, whether __dso_handle is present
1539 AC_CHECK_FUNCS([__dso_handle])
1541 dnl Check wether llvm-gcc is based on dragonegg
1542 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1543 [llvm_cv_llvmgcc_dragonegg="no"
1544 if test -n "$LLVMGCC" ; then
1545 cp /dev/null conftest.c
1546 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1547 if test $? -eq 0 ; then
1548 llvm_cv_llvmgcc_dragonegg="yes"
1553 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1555 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1556 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1557 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
1559 LLVMCC_EMITIR_FLAG="-emit-llvm"
1560 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1563 AC_SUBST(LLVMCC_EMITIR_FLAG)
1565 dnl See if the llvm-gcc executable can compile to LLVM assembly
1566 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1567 [llvm_cv_llvmgcc_sanity="no"
1568 if test -n "$LLVMGCC" ; then
1569 cp /dev/null conftest.c
1570 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1571 grep 'target datalayout =' > /dev/null 2>&1
1572 if test $? -eq 0 ; then
1573 llvm_cv_llvmgcc_sanity="yes"
1578 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1579 dnl Furthermore, add some information about the tools
1580 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1581 AC_MSG_CHECKING([llvm-gcc component support])
1582 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1583 AC_SUBST(LLVMCC1,$llvmcc1path)
1584 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1585 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1586 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1587 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1588 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1589 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1590 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1591 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1595 dnl Propagate the shared library extension that the libltdl checks did to
1596 dnl the Makefiles so we can use it there too
1597 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1599 dnl Propagate the run-time library path variable that the libltdl
1600 dnl checks found to the Makefiles so we can use it there too
1601 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1603 # Translate the various configuration directories and other basic
1604 # information into substitutions that will end up in Makefile.config.in
1605 # that these configured values can be used by the makefiles
1606 if test "${prefix}" = "NONE" ; then
1609 eval LLVM_PREFIX="${prefix}";
1610 eval LLVM_BINDIR="${prefix}/bin";
1611 eval LLVM_LIBDIR="${prefix}/lib";
1612 eval LLVM_DATADIR="${prefix}/share/llvm";
1613 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1614 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1615 eval LLVM_INCLUDEDIR="${prefix}/include";
1616 eval LLVM_INFODIR="${prefix}/info";
1617 eval LLVM_MANDIR="${prefix}/man";
1618 LLVM_CONFIGTIME=`date`
1619 AC_SUBST(LLVM_PREFIX)
1620 AC_SUBST(LLVM_BINDIR)
1621 AC_SUBST(LLVM_LIBDIR)
1622 AC_SUBST(LLVM_DATADIR)
1623 AC_SUBST(LLVM_DOCSDIR)
1624 AC_SUBST(LLVM_ETCDIR)
1625 AC_SUBST(LLVM_INCLUDEDIR)
1626 AC_SUBST(LLVM_INFODIR)
1627 AC_SUBST(LLVM_MANDIR)
1628 AC_SUBST(LLVM_CONFIGTIME)
1630 # Place the various directores into the config.h file as #defines so that we
1631 # can know about the installation paths within LLVM.
1632 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1633 [Installation prefix directory])
1634 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1635 [Installation directory for binary executables])
1636 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1637 [Installation directory for libraries])
1638 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1639 [Installation directory for data files])
1640 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1641 [Installation directory for documentation])
1642 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1643 [Installation directory for config files])
1644 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1645 [Installation directory for include files])
1646 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1647 [Installation directory for .info files])
1648 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1649 [Installation directory for man pages])
1650 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1651 [Time at which LLVM was configured])
1652 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1653 [Host triple we were built on])
1655 # Determine which bindings to build.
1656 if test "$BINDINGS_TO_BUILD" = auto ; then
1657 BINDINGS_TO_BUILD=""
1658 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1659 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1662 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1664 # This isn't really configurey, but it avoids having to repeat the list in
1666 AC_SUBST(ALL_BINDINGS,ocaml)
1668 # Do any work necessary to ensure that bindings have what they need.
1669 binding_prereqs_failed=0
1670 for a_binding in $BINDINGS_TO_BUILD ; do
1671 case "$a_binding" in
1673 if test "x$OCAMLC" = x ; then
1674 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1675 binding_prereqs_failed=1
1677 if test "x$OCAMLDEP" = x ; then
1678 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1679 binding_prereqs_failed=1
1681 if test "x$OCAMLOPT" = x ; then
1682 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1683 dnl ocamlopt is optional!
1685 if test "x$with_ocaml_libdir" != xauto ; then
1686 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1688 ocaml_stdlib="`"$OCAMLC" -where`"
1689 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1691 # ocaml stdlib is beneath our prefix; use stdlib
1692 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1694 # ocaml stdlib is outside our prefix; use libdir/ocaml
1695 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1701 if test "$binding_prereqs_failed" = 1 ; then
1702 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1705 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1706 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1708 dnl Determine linker rpath flag
1709 if test "$llvm_cv_link_use_r" = "yes" ; then
1716 dnl Determine linker rdynamic flag
1717 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1718 RDYNAMIC="-Wl,-export-dynamic"
1724 dnl===-----------------------------------------------------------------------===
1726 dnl=== SECTION 10: Specify the output files and generate it
1728 dnl===-----------------------------------------------------------------------===
1730 dnl Configure header files
1731 dnl WARNING: dnl If you add or remove any of the following config headers, then
1732 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1733 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1734 dnl files can be updated automatically when their *.in sources change.
1735 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1736 AH_TOP([#ifndef CONFIG_H
1740 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1741 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1742 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1743 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1744 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1746 dnl Configure the makefile's configuration data
1747 AC_CONFIG_FILES([Makefile.config])
1749 dnl Configure the RPM spec file for LLVM
1750 AC_CONFIG_FILES([llvm.spec])
1752 dnl Configure doxygen's configuration file
1753 AC_CONFIG_FILES([docs/doxygen.cfg])
1754 if test -f ${srcdir}/tools/clang/README.txt; then
1755 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1758 dnl Configure llvmc's Base plugin
1759 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1761 dnl Do the first stage of configuration for llvm-config.in.
1762 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1764 dnl Do special configuration of Makefiles
1765 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1766 AC_CONFIG_MAKEFILE(Makefile)
1767 AC_CONFIG_MAKEFILE(Makefile.common)
1768 AC_CONFIG_MAKEFILE(examples/Makefile)
1769 AC_CONFIG_MAKEFILE(lib/Makefile)
1770 AC_CONFIG_MAKEFILE(runtime/Makefile)
1771 AC_CONFIG_MAKEFILE(test/Makefile)
1772 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1773 AC_CONFIG_MAKEFILE(unittests/Makefile)
1774 AC_CONFIG_MAKEFILE(tools/Makefile)
1775 AC_CONFIG_MAKEFILE(utils/Makefile)
1776 AC_CONFIG_MAKEFILE(projects/Makefile)
1777 AC_CONFIG_MAKEFILE(bindings/Makefile)
1778 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1780 dnl Finally, crank out the output