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_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
663 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
664 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
666 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
667 [LLVM name for the native Target init function, if available])
668 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
669 [LLVM name for the native TargetInfo init function, if available])
670 AC_DEFINE_UNQUOTED(LLVM_NATIVE_MCASMINFO, $LLVM_NATIVE_MCASMINFO,
671 [LLVM name for the native MCAsmInfo init function, if available])
672 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
673 [LLVM name for the native AsmPrinter init function, if available])
674 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
675 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
676 [LLVM name for the native AsmParser init function, if available])
681 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
682 # target feature def files.
684 LLVM_ENUM_ASM_PRINTERS=""
685 LLVM_ENUM_ASM_PARSERS=""
686 LLVM_ENUM_DISASSEMBLERS=""
687 for target_to_build in $TARGETS_TO_BUILD; do
688 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
689 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
690 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
692 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
693 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
695 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
696 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
699 AC_SUBST(LLVM_ENUM_TARGETS)
700 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
701 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
702 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
704 dnl Prevent the CBackend from using printf("%a") for floating point so older
705 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
706 dnl can still compile the CBE's output
707 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
708 [Enable C Backend output with hex floating point via %a (default is YES)]),,
711 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
712 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
713 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
714 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
716 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
717 [Define if CBE is enabled for printf %a output])
719 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
720 AC_ARG_WITH(llvmgccdir,
721 AS_HELP_STRING([--with-llvmgccdir],
722 [Specify location of llvm-gcc install dir (default searches PATH)]),,
725 default) WITH_LLVMGCCDIR=default ;;
726 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
727 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
730 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
732 AS_HELP_STRING([--with-llvmgcc],
733 [Specify location of llvm-gcc driver (default searches PATH)]),
734 LLVMGCC=$with_llvmgcc
737 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
739 AS_HELP_STRING([--with-llvmgxx],
740 [Specify location of llvm-g++ driver (default searches PATH)]),
741 LLVMGXX=$with_llvmgxx
744 if test -n "$LLVMGCC"; then
745 LLVMGCCCOMMAND="$LLVMGCC"
748 if test -n "$LLVMGXX"; then
749 LLVMGXXCOMMAND="$LLVMGXX"
752 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
753 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
756 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
757 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
760 dnl Allow a specific Clang compiler to be used with this LLVM config.
762 AS_HELP_STRING([--with-clang],
763 [Specify location of clang compiler (default is --with-built-clang)]),
764 [],[with_clang=default])
766 dnl Enable use of the built Clang.
767 AC_ARG_WITH(built-clang,
768 AS_HELP_STRING([--with-built-clang],
769 [Use the compiled Clang as the LLVM compiler (default=check)]),
770 [],[with_built_clang=check])
772 dnl Select the Clang compiler option.
774 dnl If --with-clang is given, always honor that; otherwise honor
775 dnl --with-built-clang, or check if we have the clang sources.
776 AC_MSG_CHECKING([clang compiler])
779 if test "$with_clang" != "default"; then
780 WITH_CLANGPATH="$with_clang"
781 if ! test -x "$WITH_CLANGPATH"; then
782 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
784 elif test "$with_built_clang" = "yes"; then
786 elif test "$with_built_clang" = "no"; then
789 if test "$with_built_clang" != "check"; then
790 AC_MSG_ERROR([invalid value for --with-built-clang.])
793 if test -f ${srcdir}/tools/clang/README.txt; then
798 if ! test -z "$WITH_CLANGPATH"; then
799 AC_MSG_RESULT([$WITH_CLANGPATH])
800 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
801 elif test "$WITH_BUILT_CLANG" = "1"; then
802 AC_MSG_RESULT([built])
804 AC_MSG_RESULT([none])
806 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
807 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
808 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
810 dnl Override the option to use for optimized builds.
811 AC_ARG_WITH(optimize-option,
812 AS_HELP_STRING([--with-optimize-option],
813 [Select the compiler options to use for optimized builds]),,
815 AC_MSG_CHECKING([optimization flags])
818 case "$llvm_cv_os_type" in
819 FreeBSD) optimize_option=-O2 ;;
820 MingW) optimize_option=-O2 ;;
821 *) optimize_option=-O3 ;;
823 *) optimize_option="$withval" ;;
825 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
826 AC_MSG_RESULT([$optimize_option])
828 dnl Specify extra build options
829 AC_ARG_WITH(extra-options,
830 AS_HELP_STRING([--with-extra-options],
831 [Specify additional options to compile LLVM with]),,
834 default) EXTRA_OPTIONS= ;;
835 *) EXTRA_OPTIONS=$withval ;;
837 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
839 dnl Specify extra linker build options
840 AC_ARG_WITH(extra-ld-options,
841 AS_HELP_STRING([--with-extra-ld-options],
842 [Specify additional options to link LLVM with]),,
845 default) EXTRA_LD_OPTIONS= ;;
846 *) EXTRA_LD_OPTIONS=$withval ;;
848 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
850 dnl Allow specific bindings to be specified for building (or not)
851 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
852 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
856 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
857 all ) BINDINGS_TO_BUILD="ocaml" ;;
858 none | no) BINDINGS_TO_BUILD="" ;;
859 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
861 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
862 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
868 dnl Allow the ocaml libdir to be overridden. This could go in a configure
869 dnl script for bindings/ocaml/configure, except that its auto value depends on
870 dnl OCAMLC, which is found here to support tests.
871 AC_ARG_WITH([ocaml-libdir],
872 [AS_HELP_STRING([--with-ocaml-libdir],
873 [Specify install location for ocaml bindings (default is stdlib)])],
877 auto) with_ocaml_libdir="$withval" ;;
878 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
879 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
882 AC_ARG_WITH(clang-resource-dir,
883 AS_HELP_STRING([--with-clang-resource-dir],
884 [Relative directory from the Clang binary for resource files]),,
886 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
887 [Relative directory for resource files])
889 AC_ARG_WITH(c-include-dirs,
890 AS_HELP_STRING([--with-c-include-dirs],
891 [Colon separated list of directories clang will search for headers]),,
893 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
894 [Directories clang will search for headers])
896 AC_ARG_WITH(cxx-include-root,
897 AS_HELP_STRING([--with-cxx-include-root],
898 [Directory with the libstdc++ headers.]),,
900 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
901 [Directory with the libstdc++ headers.])
903 AC_ARG_WITH(cxx-include-arch,
904 AS_HELP_STRING([--with-cxx-include-arch],
905 [Architecture of the libstdc++ headers.]),,
907 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
908 [Arch the libstdc++ headers.])
910 AC_ARG_WITH(cxx-include-32bit-dir,
911 AS_HELP_STRING([--with-cxx-include-32bit-dir],
912 [32 bit multilib dir.]),,
914 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
915 [32 bit multilib directory.])
917 AC_ARG_WITH(cxx-include-64bit-dir,
918 AS_HELP_STRING([--with-cxx-include-64bit-dir],
919 [64 bit multilib directory.]),,
921 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
922 [64 bit multilib directory.])
924 dnl Allow linking of LLVM with GPLv3 binutils code.
925 AC_ARG_WITH(binutils-include,
926 AS_HELP_STRING([--with-binutils-include],
927 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
930 default) WITH_BINUTILS_INCDIR=default ;;
931 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
932 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
934 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
935 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
936 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
937 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
938 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
942 dnl --enable-libffi : check whether the user wants to turn off libffi:
943 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
944 --enable-libffi,[Check for the presence of libffi (default is NO)]),
945 [case "$enableval" in
946 yes) llvm_cv_enable_libffi="yes" ;;
947 no) llvm_cv_enable_libffi="no" ;;
948 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
950 llvm_cv_enable_libffi=no)
952 dnl===-----------------------------------------------------------------------===
954 dnl=== SECTION 4: Check for programs we need and that they are the right version
956 dnl===-----------------------------------------------------------------------===
958 dnl Check for compilation tools
966 dnl Check for the tools that the makefiles require
969 AC_PATH_PROG(CMP, [cmp], [cmp])
970 AC_PATH_PROG(CP, [cp], [cp])
971 AC_PATH_PROG(DATE, [date], [date])
972 AC_PATH_PROG(FIND, [find], [find])
973 AC_PATH_PROG(GREP, [grep], [grep])
974 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
975 AC_PATH_PROG(MV, [mv], [mv])
977 AC_CHECK_TOOL(AR, ar, false)
978 AC_PATH_PROG(RM, [rm], [rm])
979 AC_PATH_PROG(SED, [sed], [sed])
980 AC_PATH_PROG(TAR, [tar], [gtar])
981 AC_PATH_PROG(BINPWD,[pwd], [pwd])
983 dnl Looking for misc. graph plotting software
984 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
985 if test "$GRAPHVIZ" != "echo Graphviz" ; then
986 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
987 dnl If we're targeting for mingw we should emit windows paths, not msys
988 if test "$llvm_cv_os_type" = "MingW" ; then
989 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
991 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
992 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
994 AC_PATH_PROG(DOT, [dot], [echo dot])
995 if test "$DOT" != "echo dot" ; then
996 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
997 dnl If we're targeting for mingw we should emit windows paths, not msys
998 if test "$llvm_cv_os_type" = "MingW" ; then
999 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1001 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1002 [Define to path to dot program if found or 'echo dot' otherwise])
1004 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1005 if test "$FDP" != "echo fdp" ; then
1006 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1007 dnl If we're targeting for mingw we should emit windows paths, not msys
1008 if test "$llvm_cv_os_type" = "MingW" ; then
1009 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1011 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1012 [Define to path to fdp program if found or 'echo fdp' otherwise])
1014 AC_PATH_PROG(NEATO, [neato], [echo neato])
1015 if test "$NEATO" != "echo neato" ; then
1016 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1017 dnl If we're targeting for mingw we should emit windows paths, not msys
1018 if test "$llvm_cv_os_type" = "MingW" ; then
1019 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1021 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1022 [Define to path to neato program if found or 'echo neato' otherwise])
1024 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1025 if test "$TWOPI" != "echo twopi" ; then
1026 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1027 dnl If we're targeting for mingw we should emit windows paths, not msys
1028 if test "$llvm_cv_os_type" = "MingW" ; then
1029 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1031 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1032 [Define to path to twopi program if found or 'echo twopi' otherwise])
1034 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1035 if test "$CIRCO" != "echo circo" ; then
1036 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1037 dnl If we're targeting for mingw we should emit windows paths, not msys
1038 if test "$llvm_cv_os_type" = "MingW" ; then
1039 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1041 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1042 [Define to path to circo program if found or 'echo circo' otherwise])
1044 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1045 if test "$GV" != "echo gv" ; then
1046 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1047 dnl If we're targeting for mingw we should emit windows paths, not msys
1048 if test "$llvm_cv_os_type" = "MingW" ; then
1049 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1051 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1052 [Define to path to gv program if found or 'echo gv' otherwise])
1054 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1055 if test "$DOTTY" != "echo dotty" ; then
1056 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1057 dnl If we're targeting for mingw we should emit windows paths, not msys
1058 if test "$llvm_cv_os_type" = "MingW" ; then
1059 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1061 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1062 [Define to path to dotty program if found or 'echo dotty' otherwise])
1064 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1065 if test "$XDOT_PY" != "echo xdot.py" ; then
1066 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1067 dnl If we're targeting for mingw we should emit windows paths, not msys
1068 if test "$llvm_cv_os_type" = "MingW" ; then
1069 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1071 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1072 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1075 dnl Look for a sufficiently recent version of Perl.
1076 LLVM_PROG_PERL([5.006])
1078 if test x"$PERL" = xnone; then
1079 AC_SUBST(HAVE_PERL,0)
1080 AC_MSG_ERROR([perl is required but was not found, please install it])
1082 AC_SUBST(HAVE_PERL,1)
1085 dnl Find the install program
1087 dnl Prepend src dir to install path dir if it's a relative path
1088 dnl This is a hack for installs that take place in something other
1089 dnl than the top level.
1091 [[\\/$]]* | ?:[[\\/]]* ) ;;
1092 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1095 dnl Checks for documentation and testing tools that we can do without. If these
1096 dnl are not found then they are set to "true" which always succeeds but does
1097 dnl nothing. This just lets the build output show that we could have done
1098 dnl something if the tool was available.
1099 AC_PATH_PROG(BZIP2, [bzip2])
1100 AC_PATH_PROG(CAT, [cat])
1101 AC_PATH_PROG(DOXYGEN, [doxygen])
1102 AC_PATH_PROG(GROFF, [groff])
1103 AC_PATH_PROG(GZIPBIN, [gzip])
1104 AC_PATH_PROG(POD2HTML, [pod2html])
1105 AC_PATH_PROG(POD2MAN, [pod2man])
1106 AC_PATH_PROG(PDFROFF, [pdfroff])
1107 AC_PATH_PROG(RUNTEST, [runtest])
1109 AC_PATH_PROG(ZIP, [zip])
1110 AC_PATH_PROGS(OCAMLC, [ocamlc])
1111 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1112 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1113 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1114 AC_PATH_PROGS(GAS, [gas as])
1116 dnl Get the version of the linker in use.
1119 dnl Determine whether the linker supports the -R option.
1122 dnl Determine whether the linker supports the -export-dynamic option.
1123 AC_LINK_EXPORT_DYNAMIC
1125 dnl Determine whether the linker supports the --version-script option.
1126 AC_LINK_VERSION_SCRIPT
1128 dnl Check for libtool and the library that has dlopen function (which must come
1129 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1134 if test "$WITH_LLVMGCCDIR" = "default" ; then
1135 LLVMGCC="llvm-gcc${EXEEXT}"
1136 LLVMGXX="llvm-g++${EXEEXT}"
1137 LLVMGCCCOMMAND="$LLVMGCC"
1138 LLVMGXXCOMMAND="$LLVMGXX"
1139 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1140 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1141 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1142 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1144 if test -z "$LLVMGCC"; then
1145 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1146 LLVMGCCCOMMAND="$LLVMGCC"
1148 if test -z "$LLVMGXX"; then
1149 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1150 LLVMGXXCOMMAND="$LLVMGXX"
1153 AC_SUBST(LLVMGCC,$LLVMGCC)
1154 AC_SUBST(LLVMGXX,$LLVMGXX)
1155 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1156 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1159 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1160 dnl found, otherwise clang if available.
1162 AS_HELP_STRING([--with-llvmcc=<name>],
1163 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1164 [],[with_llvmcc=check])
1165 AC_MSG_CHECKING([LLVM capable compiler])
1166 if test "$with_llvmcc" != "check"; then
1167 if (test "$with_llvmcc" != "llvm-gcc" &&
1168 test "$with_llvmcc" != "clang" &&
1169 test "$with_llvmcc" != "none"); then
1170 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1172 WITH_LLVMCC="$with_llvmcc"
1173 elif test -n "$LLVMGCC"; then
1174 WITH_LLVMCC=llvm-gcc
1175 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1180 AC_MSG_RESULT([$WITH_LLVMCC])
1181 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1183 AC_MSG_CHECKING([tool compatibility])
1185 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1186 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1187 dnl to support those options.
1188 dnl "icc" emits gcc signatures
1189 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1201 if test "$GCC" != "yes" && test "$ICC" != "yes"
1203 AC_MSG_ERROR([gcc|icc required but not found])
1206 dnl Ensure that compilation tools are compatible with GCC extensions
1207 if test "$GXX" != "yes" && test "$IXX" != "yes"
1209 AC_MSG_ERROR([g++|clang++|icc required but not found])
1212 dnl Verify that GCC is version 3.0 or higher
1213 if test "$GCC" = "yes"
1215 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1216 #error Unsupported GCC version
1218 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1221 dnl Check for GNU Make. We use its extensions, so don't build without it
1222 if test -z "$llvm_cv_gnu_make_command"
1224 AC_MSG_ERROR([GNU Make required but not found])
1227 dnl Tool compatibility is okay if we make it here.
1230 dnl Check optional compiler flags.
1231 AC_MSG_CHECKING([optional compiler flags])
1232 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1233 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1234 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1236 dnl===-----------------------------------------------------------------------===
1238 dnl=== SECTION 5: Check for libraries
1240 dnl===-----------------------------------------------------------------------===
1243 if test "$llvm_cv_os_type" = "MingW" ; then
1244 AC_CHECK_LIB(imagehlp, main)
1245 AC_CHECK_LIB(psapi, main)
1248 dnl dlopen() is required for plugin support.
1249 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1250 [Define if dlopen() is available on this platform.]),
1251 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1253 dnl libffi is optional; used to call external functions from the interpreter
1254 if test "$llvm_cv_enable_libffi" = "yes" ; then
1255 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1256 [Define if libffi is available on this platform.]),
1257 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1260 dnl mallinfo is optional; the code can compile (minus features) without it
1261 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1262 [Define if mallinfo() is available on this platform.]))
1264 dnl pthread locking functions are optional - but llvm will not be thread-safe
1266 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1267 AC_CHECK_LIB(pthread, pthread_mutex_init)
1268 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1269 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1270 [Have pthread_mutex_lock]))
1271 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1272 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1273 [Have pthread_rwlock_init]))
1274 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1275 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1276 [Have pthread_getspecific]))
1279 dnl Allow extra x86-disassembler library
1281 AS_HELP_STRING([--with-udis86=<path>],
1282 [Use udis86 external x86 disassembler library]),
1284 AC_SUBST(USE_UDIS86, [1])
1287 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1289 AC_CHECK_LIB(udis86, ud_init, [], [
1290 echo "Error! You need to have libudis86 around."
1294 AC_SUBST(USE_UDIS86, [0]))
1295 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1296 [Define if use udis86 library])
1298 dnl Allow OProfile support for JIT output.
1299 AC_ARG_WITH(oprofile,
1300 AS_HELP_STRING([--with-oprofile=<prefix>],
1301 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1303 AC_SUBST(USE_OPROFILE, [1])
1305 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1307 AC_SUBST(USE_OPROFILE, [0]) ;;
1308 *) llvm_cv_oppath="${withval}/lib/oprofile"
1309 CPPFLAGS="-I${withval}/include";;
1311 if test -n "$llvm_cv_oppath" ; then
1312 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1313 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1314 dnl libbfd is not included properly in libopagent in some Debian
1315 dnl versions. If libbfd isn't found at all, we assume opagent works
1317 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1318 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1319 echo "Error! You need to have libopagent around."
1322 AC_CHECK_HEADER([opagent.h], [], [
1323 echo "Error! You need to have opagent.h around."
1329 AC_SUBST(USE_OPROFILE, [0])
1331 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1332 [Define if we have the oprofile JIT-support library])
1334 dnl===-----------------------------------------------------------------------===
1336 dnl=== SECTION 6: Check for header files
1338 dnl===-----------------------------------------------------------------------===
1340 dnl First, use autoconf provided macros for specific headers that we need
1341 dnl We don't check for ancient stuff or things that are guaranteed to be there
1342 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1343 dnl Generally we're looking for POSIX headers.
1345 AC_HEADER_MMAP_ANONYMOUS
1351 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1352 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1353 AC_CHECK_HEADERS([utime.h windows.h])
1354 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1355 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1356 AC_CHECK_HEADERS([valgrind/valgrind.h])
1357 AC_CHECK_HEADERS([fenv.h])
1358 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1359 AC_CHECK_HEADERS(pthread.h,
1360 AC_SUBST(HAVE_PTHREAD, 1),
1361 AC_SUBST(HAVE_PTHREAD, 0))
1363 AC_SUBST(HAVE_PTHREAD, 0)
1366 dnl Try to find ffi.h.
1367 if test "$llvm_cv_enable_libffi" = "yes" ; then
1368 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1371 dnl Try to find Darwin specific crash reporting libraries.
1372 AC_CHECK_HEADERS([CrashReporterClient.h])
1374 dnl Try to find Darwin specific crash reporting global.
1375 AC_MSG_CHECKING([__crashreporter_info__])
1378 [[extern const char *__crashreporter_info__;
1380 __crashreporter_info__ = "test";
1385 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1387 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1388 Define if __crashreporter_info__ exists.))
1390 dnl===-----------------------------------------------------------------------===
1392 dnl=== SECTION 7: Check for types and structures
1394 dnl===-----------------------------------------------------------------------===
1399 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1401 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1402 AC_CHECK_TYPES([uint64_t],,
1403 AC_CHECK_TYPES([u_int64_t],,
1404 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1406 dnl===-----------------------------------------------------------------------===
1408 dnl=== SECTION 8: Check for specific functions needed
1410 dnl===-----------------------------------------------------------------------===
1412 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1413 AC_CHECK_FUNCS([powf fmodf strtof round ])
1414 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1415 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1416 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1417 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1418 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1419 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1423 dnl Check the declaration "Secure API" on Windows environments.
1424 AC_CHECK_DECLS([strerror_s])
1426 dnl Check symbols in libgcc.a for JIT on Mingw.
1427 if test "$llvm_cv_os_type" = "MingW" ; then
1428 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1429 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1430 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1431 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1433 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1434 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1435 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1436 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1437 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1438 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1439 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1440 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1441 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1442 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1444 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1445 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1448 dnl Check Win32 API EnumerateLoadedModules.
1449 if test "$llvm_cv_os_type" = "MingW" ; then
1450 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1451 AC_COMPILE_IFELSE([[#include <windows.h>
1452 #include <imagehlp.h>
1453 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1454 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1456 AC_MSG_RESULT([yes])
1457 llvm_cv_win32_elmcb_pcstr="PCSTR"
1461 llvm_cv_win32_elmcb_pcstr="PSTR"
1463 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1466 dnl Check for variations in the Standard C++ library and STL. These macros are
1467 dnl provided by LLVM in the autoconf/m4 directory.
1471 dnl Check for mmap support.We also need to know if /dev/zero is required to
1472 dnl be opened for allocating RWX memory.
1473 dnl Make sure we aren't attempting to configure for an unknown system
1474 if test "$llvm_cv_platform_type" = "Unix" ; then
1477 AC_NEED_DEV_ZERO_FOR_MMAP
1479 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1481 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1483 if test "$ac_cv_func_mmap_file" = "no"
1485 AC_MSG_WARN([mmap() of files required but not found])
1489 dnl atomic builtins are required for threading support.
1490 AC_MSG_CHECKING(for GCC atomic builtins)
1491 dnl Since we'll be using these atomic builtins in C++ files we should test
1492 dnl the C++ compiler.
1497 volatile unsigned long val = 1;
1498 __sync_synchronize();
1499 __sync_val_compare_and_swap(&val, 1, 0);
1500 __sync_add_and_fetch(&val, 1);
1501 __sync_sub_and_fetch(&val, 1);
1507 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1509 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1510 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1512 dnl===-----------------------------------------------------------------------===
1514 dnl=== SECTION 9: Additional checks, variables, etc.
1516 dnl===-----------------------------------------------------------------------===
1518 dnl Handle 32-bit linux systems running a 64-bit kernel.
1519 dnl This has to come after section 4 because it invokes the compiler.
1520 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1522 if test "$llvm_cv_linux_mixed" = "yes"; then
1523 llvm_cv_target_arch="x86"
1528 dnl Check, whether __dso_handle is present
1529 AC_CHECK_FUNCS([__dso_handle])
1531 dnl Check wether llvm-gcc is based on dragonegg
1532 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1533 [llvm_cv_llvmgcc_dragonegg="no"
1534 if test -n "$LLVMGCC" ; then
1535 cp /dev/null conftest.c
1536 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1537 if test $? -eq 0 ; then
1538 llvm_cv_llvmgcc_dragonegg="yes"
1543 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1545 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1546 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1547 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
1549 LLVMCC_EMITIR_FLAG="-emit-llvm"
1550 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1553 AC_SUBST(LLVMCC_EMITIR_FLAG)
1555 dnl See if the llvm-gcc executable can compile to LLVM assembly
1556 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1557 [llvm_cv_llvmgcc_sanity="no"
1558 if test -n "$LLVMGCC" ; then
1559 cp /dev/null conftest.c
1560 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1561 grep 'target datalayout =' > /dev/null 2>&1
1562 if test $? -eq 0 ; then
1563 llvm_cv_llvmgcc_sanity="yes"
1568 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1569 dnl Furthermore, add some information about the tools
1570 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1571 AC_MSG_CHECKING([llvm-gcc component support])
1572 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1573 AC_SUBST(LLVMCC1,$llvmcc1path)
1574 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1575 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1576 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1577 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1578 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1579 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1580 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1581 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1585 dnl Propagate the shared library extension that the libltdl checks did to
1586 dnl the Makefiles so we can use it there too
1587 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1589 dnl Propagate the run-time library path variable that the libltdl
1590 dnl checks found to the Makefiles so we can use it there too
1591 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1593 # Translate the various configuration directories and other basic
1594 # information into substitutions that will end up in Makefile.config.in
1595 # that these configured values can be used by the makefiles
1596 if test "${prefix}" = "NONE" ; then
1599 eval LLVM_PREFIX="${prefix}";
1600 eval LLVM_BINDIR="${prefix}/bin";
1601 eval LLVM_LIBDIR="${prefix}/lib";
1602 eval LLVM_DATADIR="${prefix}/share/llvm";
1603 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1604 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1605 eval LLVM_INCLUDEDIR="${prefix}/include";
1606 eval LLVM_INFODIR="${prefix}/info";
1607 eval LLVM_MANDIR="${prefix}/man";
1608 LLVM_CONFIGTIME=`date`
1609 AC_SUBST(LLVM_PREFIX)
1610 AC_SUBST(LLVM_BINDIR)
1611 AC_SUBST(LLVM_LIBDIR)
1612 AC_SUBST(LLVM_DATADIR)
1613 AC_SUBST(LLVM_DOCSDIR)
1614 AC_SUBST(LLVM_ETCDIR)
1615 AC_SUBST(LLVM_INCLUDEDIR)
1616 AC_SUBST(LLVM_INFODIR)
1617 AC_SUBST(LLVM_MANDIR)
1618 AC_SUBST(LLVM_CONFIGTIME)
1620 # Place the various directores into the config.h file as #defines so that we
1621 # can know about the installation paths within LLVM.
1622 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1623 [Installation prefix directory])
1624 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1625 [Installation directory for binary executables])
1626 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1627 [Installation directory for libraries])
1628 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1629 [Installation directory for data files])
1630 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1631 [Installation directory for documentation])
1632 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1633 [Installation directory for config files])
1634 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1635 [Installation directory for include files])
1636 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1637 [Installation directory for .info files])
1638 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1639 [Installation directory for man pages])
1640 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1641 [Time at which LLVM was configured])
1642 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1643 [Host triple we were built on])
1645 # Determine which bindings to build.
1646 if test "$BINDINGS_TO_BUILD" = auto ; then
1647 BINDINGS_TO_BUILD=""
1648 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1649 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1652 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1654 # This isn't really configurey, but it avoids having to repeat the list in
1656 AC_SUBST(ALL_BINDINGS,ocaml)
1658 # Do any work necessary to ensure that bindings have what they need.
1659 binding_prereqs_failed=0
1660 for a_binding in $BINDINGS_TO_BUILD ; do
1661 case "$a_binding" in
1663 if test "x$OCAMLC" = x ; then
1664 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1665 binding_prereqs_failed=1
1667 if test "x$OCAMLDEP" = x ; then
1668 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1669 binding_prereqs_failed=1
1671 if test "x$OCAMLOPT" = x ; then
1672 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1673 dnl ocamlopt is optional!
1675 if test "x$with_ocaml_libdir" != xauto ; then
1676 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1678 ocaml_stdlib="`"$OCAMLC" -where`"
1679 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1681 # ocaml stdlib is beneath our prefix; use stdlib
1682 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1684 # ocaml stdlib is outside our prefix; use libdir/ocaml
1685 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1691 if test "$binding_prereqs_failed" = 1 ; then
1692 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1695 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1696 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1698 dnl Determine linker rpath flag
1699 if test "$llvm_cv_link_use_r" = "yes" ; then
1706 dnl Determine linker rdynamic flag
1707 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1708 RDYNAMIC="-Wl,-export-dynamic"
1714 dnl===-----------------------------------------------------------------------===
1716 dnl=== SECTION 10: Specify the output files and generate it
1718 dnl===-----------------------------------------------------------------------===
1720 dnl Configure header files
1721 dnl WARNING: dnl If you add or remove any of the following config headers, then
1722 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1723 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1724 dnl files can be updated automatically when their *.in sources change.
1725 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1726 AH_TOP([#ifndef CONFIG_H
1730 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1731 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1732 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1733 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1734 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1736 dnl Configure the makefile's configuration data
1737 AC_CONFIG_FILES([Makefile.config])
1739 dnl Configure the RPM spec file for LLVM
1740 AC_CONFIG_FILES([llvm.spec])
1742 dnl Configure doxygen's configuration file
1743 AC_CONFIG_FILES([docs/doxygen.cfg])
1744 if test -f ${srcdir}/tools/clang/README.txt; then
1745 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1748 dnl Configure llvmc's Base plugin
1749 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1751 dnl Do the first stage of configuration for llvm-config.in.
1752 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1754 dnl Do special configuration of Makefiles
1755 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1756 AC_CONFIG_MAKEFILE(Makefile)
1757 AC_CONFIG_MAKEFILE(Makefile.common)
1758 AC_CONFIG_MAKEFILE(examples/Makefile)
1759 AC_CONFIG_MAKEFILE(lib/Makefile)
1760 AC_CONFIG_MAKEFILE(runtime/Makefile)
1761 AC_CONFIG_MAKEFILE(test/Makefile)
1762 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1763 AC_CONFIG_MAKEFILE(unittests/Makefile)
1764 AC_CONFIG_MAKEFILE(tools/Makefile)
1765 AC_CONFIG_MAKEFILE(utils/Makefile)
1766 AC_CONFIG_MAKEFILE(projects/Makefile)
1767 AC_CONFIG_MAKEFILE(bindings/Makefile)
1768 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1770 dnl Finally, crank out the output