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 address for reporting bugs.
34 AC_INIT([LLVM],[3.1svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [1], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl We need to check for the compiler up here to avoid anything else
63 dnl starting with a different one.
64 AC_PROG_CC(clang llvm-gcc gcc)
65 AC_PROG_CXX(clang++ llvm-g++ g++)
68 dnl Configure all of the projects present in our source tree. While we could
69 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
70 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
71 dnl Instead we match on the known projects.
74 dnl One tricky part of doing this is that some projects depend upon other
75 dnl projects. For example, several projects rely upon the LLVM test suite.
76 dnl We want to configure those projects first so that their object trees are
77 dnl created before running the configure scripts of projects that depend upon
81 dnl Several projects use llvm-gcc, so configure that first
82 if test -d ${srcdir}/projects/llvm-gcc ; then
83 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
86 dnl Several projects use the LLVM test suite, so configure it next.
87 if test -d ${srcdir}/projects/test-suite ; then
88 AC_CONFIG_SUBDIRS([projects/test-suite])
91 dnl llvm-test is the old name of the test-suite, kept here for backwards
93 if test -d ${srcdir}/projects/llvm-test ; then
94 AC_CONFIG_SUBDIRS([projects/llvm-test])
97 dnl Some projects use poolalloc; configure that next
98 if test -d ${srcdir}/projects/poolalloc ; then
99 AC_CONFIG_SUBDIRS([projects/poolalloc])
102 if test -d ${srcdir}/projects/llvm-poolalloc ; then
103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
106 dnl Check for all other projects
107 for i in `ls ${srcdir}/projects`
109 if test -d ${srcdir}/projects/${i} ; then
111 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
112 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
113 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
114 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
115 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
116 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
117 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
118 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
132 dnl Disable the build of polly, even if it is checked out into tools/polly.
134 AS_HELP_STRING([--enable-polly],
135 [Use polly if available (default is YES)]),,
138 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
139 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
140 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
141 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
145 dnl Check if polly is checked out into tools/polly and configure it if
147 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
148 AC_SUBST(LLVM_HAS_POLLY,1)
149 AC_CONFIG_SUBDIRS([tools/polly])
152 dnl===-----------------------------------------------------------------------===
154 dnl=== SECTION 2: Architecture, target, and host checks
156 dnl===-----------------------------------------------------------------------===
158 dnl Check the target for which we're compiling and the host that will do the
159 dnl compilations. This will tell us which LLVM compiler will be used for
160 dnl compiling SSA into object code. This needs to be done early because
161 dnl following tests depend on it.
164 dnl Determine the platform type and cache its value. This helps us configure
165 dnl the System library to the correct build platform.
166 AC_CACHE_CHECK([type of operating system we're going to host on],
170 llvm_cv_link_all_option="-Wl,--whole-archive"
171 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
172 llvm_cv_os_type="AIX"
173 llvm_cv_platform_type="Unix" ;;
175 llvm_cv_link_all_option="-Wl,--whole-archive"
176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
177 llvm_cv_os_type="IRIX"
178 llvm_cv_platform_type="Unix" ;;
180 llvm_cv_link_all_option="-Wl,--whole-archive"
181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
182 llvm_cv_os_type="Cygwin"
183 llvm_cv_platform_type="Unix" ;;
185 llvm_cv_link_all_option="-Wl,-all_load"
186 llvm_cv_no_link_all_option="-Wl,-noall_load"
187 llvm_cv_os_type="Darwin"
188 llvm_cv_platform_type="Unix" ;;
190 llvm_cv_link_all_option="-Wl,-all_load"
191 llvm_cv_no_link_all_option="-Wl,-noall_load"
192 llvm_cv_os_type="Minix"
193 llvm_cv_platform_type="Unix" ;;
194 *-*-freebsd* | *-*-kfreebsd-gnu)
195 llvm_cv_link_all_option="-Wl,--whole-archive"
196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
197 llvm_cv_os_type="FreeBSD"
198 llvm_cv_platform_type="Unix" ;;
200 llvm_cv_link_all_option="-Wl,--whole-archive"
201 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
202 llvm_cv_os_type="OpenBSD"
203 llvm_cv_platform_type="Unix" ;;
205 llvm_cv_link_all_option="-Wl,--whole-archive"
206 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
207 llvm_cv_os_type="NetBSD"
208 llvm_cv_platform_type="Unix" ;;
210 llvm_cv_link_all_option="-Wl,--whole-archive"
211 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
212 llvm_cv_os_type="DragonFly"
213 llvm_cv_platform_type="Unix" ;;
215 llvm_cv_link_all_option="-Wl,--whole-archive"
216 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
217 llvm_cv_os_type="HP-UX"
218 llvm_cv_platform_type="Unix" ;;
220 llvm_cv_link_all_option="-Wl,--whole-archive"
221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
222 llvm_cv_os_type="Interix"
223 llvm_cv_platform_type="Unix" ;;
225 llvm_cv_link_all_option="-Wl,--whole-archive"
226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
227 llvm_cv_os_type="Linux"
228 llvm_cv_platform_type="Unix" ;;
230 llvm_cv_link_all_option="-Wl,--whole-archive"
231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
232 llvm_cv_os_type="GNU"
233 llvm_cv_platform_type="Unix" ;;
235 llvm_cv_link_all_option="-Wl,-z,allextract"
236 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
237 llvm_cv_os_type="SunOS"
238 llvm_cv_platform_type="Unix" ;;
240 llvm_cv_link_all_option="-Wl,-z,allextract"
241 llvm_cv_link_all_option="-Wl,-z,defaultextract"
242 llvm_cv_os_type="AuroraUX"
243 llvm_cv_platform_type="Unix" ;;
245 llvm_cv_link_all_option="-Wl,--whole-archive"
246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
247 llvm_cv_os_type="Win32"
248 llvm_cv_platform_type="Win32" ;;
250 llvm_cv_link_all_option="-Wl,--whole-archive"
251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
252 llvm_cv_os_type="MingW"
253 llvm_cv_platform_type="Win32" ;;
255 llvm_cv_link_all_option="-Wl,--whole-archive"
256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
257 llvm_cv_os_type="Haiku"
258 llvm_cv_platform_type="Unix" ;;
260 llvm_cv_link_all_option="-Wl,--whole-archive"
261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
262 llvm_cv_os_type="Freestanding"
263 llvm_cv_platform_type="Unix" ;;
265 llvm_cv_link_all_option="-Wl,--whole-archive"
266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
267 llvm_cv_os_type="Freestanding"
268 llvm_cv_platform_type="Unix" ;;
270 llvm_cv_link_all_option=""
271 llvm_cv_no_link_all_option=""
272 llvm_cv_os_type="Unknown"
273 llvm_cv_platform_type="Unknown" ;;
276 AC_CACHE_CHECK([type of operating system we're going to target],
277 [llvm_cv_target_os_type],
280 llvm_cv_target_os_type="AIX" ;;
282 llvm_cv_target_os_type="IRIX" ;;
284 llvm_cv_target_os_type="Cygwin" ;;
286 llvm_cv_target_os_type="Darwin" ;;
288 llvm_cv_target_os_type="Minix" ;;
289 *-*-freebsd* | *-*-kfreebsd-gnu)
290 llvm_cv_target_os_type="FreeBSD" ;;
292 llvm_cv_target_os_type="OpenBSD" ;;
294 llvm_cv_target_os_type="NetBSD" ;;
296 llvm_cv_target_os_type="DragonFly" ;;
298 llvm_cv_target_os_type="HP-UX" ;;
300 llvm_cv_target_os_type="Interix" ;;
302 llvm_cv_target_os_type="Linux" ;;
304 llvm_cv_target_os_type="GNU" ;;
306 llvm_cv_target_os_type="SunOS" ;;
308 llvm_cv_target_os_type="AuroraUX" ;;
310 llvm_cv_target_os_type="Win32" ;;
312 llvm_cv_target_os_type="MingW" ;;
314 llvm_cv_target_os_type="Haiku" ;;
316 llvm_cv_target_os_type="RTEMS" ;;
318 llvm_cv_target_os_type="NativeClient" ;;
320 llvm_cv_target_os_type="Freestanding" ;;
322 llvm_cv_target_os_type="Unknown" ;;
325 dnl Make sure we aren't attempting to configure for an unknown system
326 if test "$llvm_cv_os_type" = "Unknown" ; then
327 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
330 dnl Set the "OS" Makefile variable based on the platform type so the
331 dnl makefile can configure itself to specific build hosts
332 AC_SUBST(OS,$llvm_cv_os_type)
333 AC_SUBST(HOST_OS,$llvm_cv_os_type)
334 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
336 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
337 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
338 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
340 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
341 dnl This is used by lib/Support to determine the basic kind of implementation
343 case $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 ptx-*) llvm_cv_target_arch="PTX" ;;
373 *) llvm_cv_target_arch="Unknown" ;;
376 if test "$llvm_cv_target_arch" = "Unknown" ; then
377 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
380 dnl Determine the LLVM native architecture for the target
381 case "$llvm_cv_target_arch" in
382 x86) LLVM_NATIVE_ARCH="X86" ;;
383 x86_64) LLVM_NATIVE_ARCH="X86" ;;
384 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
387 dnl Define a substitution, ARCH, for the target architecture
388 AC_SUBST(ARCH,$llvm_cv_target_arch)
390 dnl Check for the endianness of the target
391 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
393 dnl Check for build platform executable suffix if we're cross-compiling
394 if test "$cross_compiling" = yes; then
395 AC_SUBST(LLVM_CROSS_COMPILING, [1])
397 ac_build_prefix=${build_alias}-
398 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
399 if test -z "$BUILD_CXX"; then
400 AC_CHECK_PROG(BUILD_CXX, g++, g++)
401 if test -z "$BUILD_CXX"; then
402 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
406 AC_SUBST(LLVM_CROSS_COMPILING, [0])
409 dnl Check to see if there's a .svn or .git directory indicating that this
410 dnl build is being done from a checkout. This sets up several defaults for
411 dnl the command line switches. When we build with a checkout directory,
412 dnl we get a debug with assertions turned on. Without, we assume a source
413 dnl release and we get an optimized build without assertions.
414 dnl See --enable-optimized and --enable-assertions below
415 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
418 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
424 dnl===-----------------------------------------------------------------------===
426 dnl=== SECTION 3: Command line arguments for the configure script.
428 dnl===-----------------------------------------------------------------------===
430 dnl --enable-libcpp : check whether or not to use libc++ on the command line
431 AC_ARG_ENABLE(libcpp,
432 AS_HELP_STRING([--enable-libcpp],
433 [Use libc++ if available (default is NO)]),,
436 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
437 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
438 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
439 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
442 dnl --enable-optimized : check whether they want to do an optimized build:
443 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
444 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
445 if test ${enableval} = "no" ; then
446 AC_SUBST(ENABLE_OPTIMIZED,[[]])
448 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
451 dnl --enable-profiling : check whether they want to do a profile build:
452 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
453 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
454 if test ${enableval} = "no" ; then
455 AC_SUBST(ENABLE_PROFILING,[[]])
457 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
460 dnl --enable-assertions : check whether they want to turn on assertions or not:
461 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
462 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
463 if test ${enableval} = "yes" ; then
464 AC_SUBST(DISABLE_ASSERTIONS,[[]])
466 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
469 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
470 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
471 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
472 if test ${enableval} = "yes" ; then
473 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
474 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
476 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
477 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
480 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
481 AC_ARG_ENABLE(debug-runtime,
482 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
483 if test ${enableval} = "no" ; then
484 AC_SUBST(DEBUG_RUNTIME,[[]])
486 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
489 dnl --enable-debug-symbols : should even optimized compiler libraries
490 dnl have debug symbols?
491 AC_ARG_ENABLE(debug-symbols,
492 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)
493 if test ${enableval} = "no" ; then
494 AC_SUBST(DEBUG_SYMBOLS,[[]])
496 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
499 dnl --enable-jit: check whether they want to enable the jit
501 AS_HELP_STRING(--enable-jit,
502 [Enable Just In Time Compiling (default is YES)]),,
504 if test ${enableval} = "no"
508 case "$llvm_cv_target_arch" in
509 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
510 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
511 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
512 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
513 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
514 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
515 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
516 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
517 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
518 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
519 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
520 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
524 dnl Allow enablement of building and installing docs
526 AS_HELP_STRING([--enable-docs],
527 [Build documents (default is YES)]),,
530 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
531 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
532 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
533 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
536 dnl Allow enablement of doxygen generated documentation
537 AC_ARG_ENABLE(doxygen,
538 AS_HELP_STRING([--enable-doxygen],
539 [Build doxygen documentation (default is NO)]),,
542 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
543 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
544 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
545 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
548 dnl Allow disablement of threads
549 AC_ARG_ENABLE(threads,
550 AS_HELP_STRING([--enable-threads],
551 [Use threads if available (default is YES)]),,
554 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
555 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
556 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
557 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
559 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
560 [Define if threads enabled])
562 dnl Allow disablement of pthread.h
563 AC_ARG_ENABLE(pthreads,
564 AS_HELP_STRING([--enable-pthreads],
565 [Use pthreads if available (default is YES)]),,
568 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
569 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
570 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
571 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
574 dnl Allow building without position independent code
576 AS_HELP_STRING([--enable-pic],
577 [Build LLVM with Position Independent Code (default is YES)]),,
580 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
581 no) AC_SUBST(ENABLE_PIC,[0]) ;;
582 default) AC_SUBST(ENABLE_PIC,[1]) ;;
583 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
585 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
586 [Define if position independent code is enabled])
588 dnl Allow building a shared library and linking tools against it.
589 AC_ARG_ENABLE(shared,
590 AS_HELP_STRING([--enable-shared],
591 [Build a shared library and link tools against it (default is NO)]),,
594 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
595 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
596 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
597 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
600 dnl Allow libstdc++ is embedded in LLVM.dll.
601 AC_ARG_ENABLE(embed-stdcxx,
602 AS_HELP_STRING([--enable-embed-stdcxx],
603 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
606 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
607 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
608 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
609 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
612 dnl Enable embedding timestamp information into build.
613 AC_ARG_ENABLE(timestamps,
614 AS_HELP_STRING([--enable-timestamps],
615 [Enable embedding timestamp information in build (default is YES)]),,
618 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
619 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
620 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
621 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
623 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
624 [Define if timestamp information (e.g., __DATE___) is allowed])
626 dnl Allow specific targets to be specified for building (or not)
628 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
629 [Build specific host targets: all or target1,target2,... Valid targets are:
630 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
631 xcore, msp430, ptx, cbe, and cpp (default=all)]),,
633 if test "$enableval" = host-only ; then
637 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze PTX Hexagon" ;;
638 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
640 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
641 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
642 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
643 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
644 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
645 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
646 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
647 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
648 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
649 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
650 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
651 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
652 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
653 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
654 host) case "$llvm_cv_target_arch" in
655 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
656 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
657 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
658 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
659 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
660 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
661 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
662 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
663 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
664 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
665 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
666 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
667 *) AC_MSG_ERROR([Can not set target to build]) ;;
669 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
674 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
676 dnl Determine whether we are building LLVM support for the native architecture.
677 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
678 for a_target in $TARGETS_TO_BUILD; do
679 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
680 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
681 [LLVM architecture name for the native architecture, if available])
682 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
683 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
684 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
685 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
686 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
687 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
689 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
690 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
692 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
693 [LLVM name for the native Target init function, if available])
694 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
695 [LLVM name for the native TargetInfo init function, if available])
696 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
697 [LLVM name for the native target MC init function, if available])
698 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
699 [LLVM name for the native AsmPrinter init function, if available])
700 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
701 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
702 [LLVM name for the native AsmParser init function, if available])
704 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
705 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
706 [LLVM name for the native Disassembler init function, if available])
711 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
712 dnl target feature def files.
714 LLVM_ENUM_ASM_PRINTERS=""
715 LLVM_ENUM_ASM_PARSERS=""
716 LLVM_ENUM_DISASSEMBLERS=""
717 for target_to_build in $TARGETS_TO_BUILD; do
718 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
719 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
720 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
722 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
723 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
725 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
726 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
729 AC_SUBST(LLVM_ENUM_TARGETS)
730 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
731 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
732 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
734 dnl Override the option to use for optimized builds.
735 AC_ARG_WITH(optimize-option,
736 AS_HELP_STRING([--with-optimize-option],
737 [Select the compiler options to use for optimized builds]),,
739 AC_MSG_CHECKING([optimization flags])
742 case "$llvm_cv_os_type" in
743 FreeBSD) optimize_option=-O2 ;;
744 MingW) optimize_option=-O2 ;;
745 *) optimize_option=-O3 ;;
747 *) optimize_option="$withval" ;;
749 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
750 AC_MSG_RESULT([$optimize_option])
752 dnl Specify extra build options
753 AC_ARG_WITH(extra-options,
754 AS_HELP_STRING([--with-extra-options],
755 [Specify additional options to compile LLVM with]),,
758 default) EXTRA_OPTIONS= ;;
759 *) EXTRA_OPTIONS=$withval ;;
761 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
763 dnl Specify extra linker build options
764 AC_ARG_WITH(extra-ld-options,
765 AS_HELP_STRING([--with-extra-ld-options],
766 [Specify additional options to link LLVM with]),,
769 default) EXTRA_LD_OPTIONS= ;;
770 *) EXTRA_LD_OPTIONS=$withval ;;
772 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
774 dnl Allow specific bindings to be specified for building (or not)
775 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
776 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
780 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
781 all ) BINDINGS_TO_BUILD="ocaml" ;;
782 none | no) BINDINGS_TO_BUILD="" ;;
783 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
785 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
786 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
792 dnl Allow the ocaml libdir to be overridden. This could go in a configure
793 dnl script for bindings/ocaml/configure, except that its auto value depends on
794 dnl OCAMLC, which is found here to support tests.
795 AC_ARG_WITH([ocaml-libdir],
796 [AS_HELP_STRING([--with-ocaml-libdir],
797 [Specify install location for ocaml bindings (default is stdlib)])],
801 auto) with_ocaml_libdir="$withval" ;;
802 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
803 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
806 AC_ARG_WITH(clang-srcdir,
807 AS_HELP_STRING([--with-clang-srcdir],
808 [Directory to the out-of-tree Clang source]),,
811 -) clang_src_root="" ;;
812 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
813 *) clang_src_root="$ac_pwd/$withval" ;;
815 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
817 AC_ARG_WITH(clang-resource-dir,
818 AS_HELP_STRING([--with-clang-resource-dir],
819 [Relative directory from the Clang binary for resource files]),,
821 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
822 [Relative directory for resource files])
824 AC_ARG_WITH(c-include-dirs,
825 AS_HELP_STRING([--with-c-include-dirs],
826 [Colon separated list of directories clang will search for headers]),,
828 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
829 [Directories clang will search for headers])
831 # Clang normally uses the system c++ headers and libraries. With this option,
832 # clang will use the ones provided by a gcc installation instead. This option should
833 # be passed the same value that was used with --prefix when configuring gcc.
834 AC_ARG_WITH(gcc-toolchain,
835 AS_HELP_STRING([--with-gcc-toolchain],
836 [Directory where gcc is installed.]),,
838 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
839 [Directory where gcc is installed.])
841 dnl Allow linking of LLVM with GPLv3 binutils code.
842 AC_ARG_WITH(binutils-include,
843 AS_HELP_STRING([--with-binutils-include],
844 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
847 default) WITH_BINUTILS_INCDIR=default ;;
848 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
849 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
851 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
852 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
853 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
854 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
855 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
859 dnl Specify the URL where bug reports should be submitted.
860 AC_ARG_WITH(bug-report-url,
861 AS_HELP_STRING([--with-bug-report-url],
862 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
863 withval="http://llvm.org/bugs/")
864 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
867 dnl --enable-libffi : check whether the user wants to turn off libffi:
868 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
869 --enable-libffi,[Check for the presence of libffi (default is NO)]),
870 [case "$enableval" in
871 yes) llvm_cv_enable_libffi="yes" ;;
872 no) llvm_cv_enable_libffi="no" ;;
873 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
875 llvm_cv_enable_libffi=no)
877 AC_ARG_WITH(internal-prefix,
878 AS_HELP_STRING([--with-internal-prefix],
879 [Installation directory for internal files]),,
881 AC_SUBST(INTERNAL_PREFIX,[$withval])
883 dnl===-----------------------------------------------------------------------===
885 dnl=== SECTION 4: Check for programs we need and that they are the right version
887 dnl===-----------------------------------------------------------------------===
892 dnl Check for the tools that the makefiles require
895 AC_PATH_PROG(CMP, [cmp], [cmp])
896 AC_PATH_PROG(CP, [cp], [cp])
897 AC_PATH_PROG(DATE, [date], [date])
898 AC_PATH_PROG(FIND, [find], [find])
899 AC_PATH_PROG(GREP, [grep], [grep])
900 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
901 AC_PATH_PROG(MV, [mv], [mv])
903 AC_CHECK_TOOL(AR, ar, false)
904 AC_PATH_PROG(RM, [rm], [rm])
905 AC_PATH_PROG(SED, [sed], [sed])
906 AC_PATH_PROG(TAR, [tar], [gtar])
907 AC_PATH_PROG(BINPWD,[pwd], [pwd])
909 dnl Looking for misc. graph plotting software
910 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
911 if test "$GRAPHVIZ" != "echo Graphviz" ; then
912 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
913 dnl If we're targeting for mingw we should emit windows paths, not msys
914 if test "$llvm_cv_os_type" = "MingW" ; then
915 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
917 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
918 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
920 AC_PATH_PROG(DOT, [dot], [echo dot])
921 if test "$DOT" != "echo dot" ; then
922 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
923 dnl If we're targeting for mingw we should emit windows paths, not msys
924 if test "$llvm_cv_os_type" = "MingW" ; then
925 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
927 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
928 [Define to path to dot program if found or 'echo dot' otherwise])
930 AC_PATH_PROG(FDP, [fdp], [echo fdp])
931 if test "$FDP" != "echo fdp" ; then
932 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
933 dnl If we're targeting for mingw we should emit windows paths, not msys
934 if test "$llvm_cv_os_type" = "MingW" ; then
935 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
937 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
938 [Define to path to fdp program if found or 'echo fdp' otherwise])
940 AC_PATH_PROG(NEATO, [neato], [echo neato])
941 if test "$NEATO" != "echo neato" ; then
942 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
943 dnl If we're targeting for mingw we should emit windows paths, not msys
944 if test "$llvm_cv_os_type" = "MingW" ; then
945 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
947 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
948 [Define to path to neato program if found or 'echo neato' otherwise])
950 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
951 if test "$TWOPI" != "echo twopi" ; then
952 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
953 dnl If we're targeting for mingw we should emit windows paths, not msys
954 if test "$llvm_cv_os_type" = "MingW" ; then
955 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
957 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
958 [Define to path to twopi program if found or 'echo twopi' otherwise])
960 AC_PATH_PROG(CIRCO, [circo], [echo circo])
961 if test "$CIRCO" != "echo circo" ; then
962 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
963 dnl If we're targeting for mingw we should emit windows paths, not msys
964 if test "$llvm_cv_os_type" = "MingW" ; then
965 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
967 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
968 [Define to path to circo program if found or 'echo circo' otherwise])
970 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
971 if test "$GV" != "echo gv" ; then
972 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
973 dnl If we're targeting for mingw we should emit windows paths, not msys
974 if test "$llvm_cv_os_type" = "MingW" ; then
975 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
977 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
978 [Define to path to gv program if found or 'echo gv' otherwise])
980 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
981 if test "$DOTTY" != "echo dotty" ; then
982 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
983 dnl If we're targeting for mingw we should emit windows paths, not msys
984 if test "$llvm_cv_os_type" = "MingW" ; then
985 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
987 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
988 [Define to path to dotty program if found or 'echo dotty' otherwise])
990 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
991 if test "$XDOT_PY" != "echo xdot.py" ; then
992 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
993 dnl If we're targeting for mingw we should emit windows paths, not msys
994 if test "$llvm_cv_os_type" = "MingW" ; then
995 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
997 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
998 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1001 dnl Find the install program
1003 dnl Prepend src dir to install path dir if it's a relative path
1004 dnl This is a hack for installs that take place in something other
1005 dnl than the top level.
1007 [[\\/$]]* | ?:[[\\/]]* ) ;;
1008 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1011 dnl Checks for documentation and testing tools that we can do without. If these
1012 dnl are not found then they are set to "true" which always succeeds but does
1013 dnl nothing. This just lets the build output show that we could have done
1014 dnl something if the tool was available.
1015 AC_PATH_PROG(BZIP2, [bzip2])
1016 AC_PATH_PROG(CAT, [cat])
1017 AC_PATH_PROG(DOXYGEN, [doxygen])
1018 AC_PATH_PROG(GROFF, [groff])
1019 AC_PATH_PROG(GZIPBIN, [gzip])
1020 AC_PATH_PROG(POD2HTML, [pod2html])
1021 AC_PATH_PROG(POD2MAN, [pod2man])
1022 AC_PATH_PROG(PDFROFF, [pdfroff])
1023 AC_PATH_PROG(RUNTEST, [runtest])
1025 AC_PATH_PROG(ZIP, [zip])
1026 AC_PATH_PROGS(OCAMLC, [ocamlc])
1027 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1028 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1029 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1030 AC_PATH_PROGS(GAS, [gas as])
1032 dnl Get the version of the linker in use.
1035 dnl Determine whether the linker supports the -R option.
1038 dnl Determine whether the linker supports the -export-dynamic option.
1039 AC_LINK_EXPORT_DYNAMIC
1041 dnl Determine whether the linker supports the --version-script option.
1042 AC_LINK_VERSION_SCRIPT
1044 dnl Check for libtool and the library that has dlopen function (which must come
1045 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1050 AC_MSG_CHECKING([tool compatibility])
1052 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1053 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1054 dnl to support those options.
1055 dnl "icc" emits gcc signatures
1056 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1068 if test "$GCC" != "yes" && test "$ICC" != "yes"
1070 AC_MSG_ERROR([gcc|icc required but not found])
1073 dnl Ensure that compilation tools are compatible with GCC extensions
1074 if test "$GXX" != "yes" && test "$IXX" != "yes"
1076 AC_MSG_ERROR([g++|clang++|icc required but not found])
1079 dnl Verify that GCC is version 3.0 or higher
1080 if test "$GCC" = "yes"
1082 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1083 #error Unsupported GCC version
1085 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1088 dnl Check for GNU Make. We use its extensions, so don't build without it
1089 if test -z "$llvm_cv_gnu_make_command"
1091 AC_MSG_ERROR([GNU Make required but not found])
1094 dnl Tool compatibility is okay if we make it here.
1097 dnl Check optional compiler flags.
1098 AC_MSG_CHECKING([optional compiler flags])
1099 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1100 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1101 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1102 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1104 dnl===-----------------------------------------------------------------------===
1106 dnl=== SECTION 5: Check for libraries
1108 dnl===-----------------------------------------------------------------------===
1111 if test "$llvm_cv_os_type" = "MingW" ; then
1112 AC_CHECK_LIB(imagehlp, main)
1113 AC_CHECK_LIB(psapi, main)
1116 dnl dlopen() is required for plugin support.
1117 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1118 [Define if dlopen() is available on this platform.]),
1119 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1121 dnl libffi is optional; used to call external functions from the interpreter
1122 if test "$llvm_cv_enable_libffi" = "yes" ; then
1123 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1124 [Define if libffi is available on this platform.]),
1125 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1128 dnl mallinfo is optional; the code can compile (minus features) without it
1129 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1130 [Define if mallinfo() is available on this platform.]))
1132 dnl pthread locking functions are optional - but llvm will not be thread-safe
1134 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1135 AC_CHECK_LIB(pthread, pthread_mutex_init)
1136 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1137 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1138 [Have pthread_mutex_lock]))
1139 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1140 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1141 [Have pthread_rwlock_init]))
1142 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1143 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1144 [Have pthread_getspecific]))
1147 dnl Allow extra x86-disassembler library
1149 AS_HELP_STRING([--with-udis86=<path>],
1150 [Use udis86 external x86 disassembler library]),
1152 AC_SUBST(USE_UDIS86, [1])
1155 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1157 AC_CHECK_LIB(udis86, ud_init, [], [
1158 echo "Error! You need to have libudis86 around."
1162 AC_SUBST(USE_UDIS86, [0]))
1163 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1164 [Define if use udis86 library])
1166 dnl Allow OProfile support for JIT output.
1167 AC_ARG_WITH(oprofile,
1168 AS_HELP_STRING([--with-oprofile=<prefix>],
1169 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1171 AC_SUBST(USE_OPROFILE, [1])
1173 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1175 AC_SUBST(USE_OPROFILE, [0]) ;;
1176 *) llvm_cv_oppath="${withval}/lib/oprofile"
1177 CPPFLAGS="-I${withval}/include";;
1179 case $llvm_cv_os_type in
1181 if test -n "$llvm_cv_oppath" ; then
1182 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1183 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1184 dnl libbfd is not included properly in libopagent in some Debian
1185 dnl versions. If libbfd isn't found at all, we assume opagent works
1187 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1188 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1189 echo "Error! You need to have libopagent around."
1192 AC_CHECK_HEADER([opagent.h], [], [
1193 echo "Error! You need to have opagent.h around."
1198 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1202 AC_SUBST(USE_OPROFILE, [0])
1204 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1205 [Define if we have the oprofile JIT-support library])
1207 dnl Enable support for Intel JIT Events API.
1208 AC_ARG_WITH(intel-jitevents,
1209 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1210 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1212 case $llvm_cv_os_type in
1213 Linux|Win32|Cygwin|MingW) ;;
1216 Intel JIT API support is available on Linux and Windows only."]) ;;
1219 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1220 case "$llvm_cv_target_arch" in
1221 x86) llvm_intel_jitevents_archdir="lib32";;
1222 x86_64) llvm_intel_jitevents_archdir="lib64";;
1223 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1226 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1227 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1229 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1230 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1234 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1235 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1237 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1238 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1240 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1241 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1244 AC_CHECK_HEADER([jitprofiling.h], [], [
1245 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1251 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1253 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1254 [Define if we have the Intel JIT API runtime support library])
1256 dnl===-----------------------------------------------------------------------===
1258 dnl=== SECTION 6: Check for header files
1260 dnl===-----------------------------------------------------------------------===
1262 dnl First, use autoconf provided macros for specific headers that we need
1263 dnl We don't check for ancient stuff or things that are guaranteed to be there
1264 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1265 dnl Generally we're looking for POSIX headers.
1267 AC_HEADER_MMAP_ANONYMOUS
1272 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1273 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1274 AC_CHECK_HEADERS([utime.h windows.h])
1275 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1276 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1277 AC_CHECK_HEADERS([valgrind/valgrind.h])
1278 AC_CHECK_HEADERS([fenv.h])
1279 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1280 AC_CHECK_HEADERS(pthread.h,
1281 AC_SUBST(HAVE_PTHREAD, 1),
1282 AC_SUBST(HAVE_PTHREAD, 0))
1284 AC_SUBST(HAVE_PTHREAD, 0)
1287 dnl Try to find ffi.h.
1288 if test "$llvm_cv_enable_libffi" = "yes" ; then
1289 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1292 dnl Try to find Darwin specific crash reporting libraries.
1293 AC_CHECK_HEADERS([CrashReporterClient.h])
1295 dnl Try to find Darwin specific crash reporting global.
1296 AC_MSG_CHECKING([__crashreporter_info__])
1299 [[extern const char *__crashreporter_info__;
1301 __crashreporter_info__ = "test";
1306 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1308 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1309 Define if __crashreporter_info__ exists.))
1311 dnl===-----------------------------------------------------------------------===
1313 dnl=== SECTION 7: Check for types and structures
1315 dnl===-----------------------------------------------------------------------===
1320 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1322 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1323 AC_CHECK_TYPES([uint64_t],,
1324 AC_CHECK_TYPES([u_int64_t],,
1325 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1327 dnl===-----------------------------------------------------------------------===
1329 dnl=== SECTION 8: Check for specific functions needed
1331 dnl===-----------------------------------------------------------------------===
1333 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1334 AC_CHECK_FUNCS([powf fmodf strtof round ])
1335 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1336 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1337 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1338 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1339 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1340 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1344 dnl Check the declaration "Secure API" on Windows environments.
1345 AC_CHECK_DECLS([strerror_s])
1347 dnl Check symbols in libgcc.a for JIT on Mingw.
1348 if test "$llvm_cv_os_type" = "MingW" ; then
1349 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1350 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1351 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1352 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1354 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1355 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1356 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1357 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1358 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1359 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1360 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1361 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1362 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1363 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1365 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1366 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1369 dnl Check Win32 API EnumerateLoadedModules.
1370 if test "$llvm_cv_os_type" = "MingW" ; then
1371 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1372 AC_COMPILE_IFELSE([[#include <windows.h>
1373 #include <imagehlp.h>
1374 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1375 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1377 AC_MSG_RESULT([yes])
1378 llvm_cv_win32_elmcb_pcstr="PCSTR"
1382 llvm_cv_win32_elmcb_pcstr="PSTR"
1384 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1387 dnl Check for variations in the Standard C++ library and STL. These macros are
1388 dnl provided by LLVM in the autoconf/m4 directory.
1392 dnl Check for mmap support.We also need to know if /dev/zero is required to
1393 dnl be opened for allocating RWX memory.
1394 dnl Make sure we aren't attempting to configure for an unknown system
1395 if test "$llvm_cv_platform_type" = "Unix" ; then
1398 AC_NEED_DEV_ZERO_FOR_MMAP
1400 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1402 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1404 if test "$ac_cv_func_mmap_file" = "no"
1406 AC_MSG_WARN([mmap() of files required but not found])
1410 dnl atomic builtins are required for threading support.
1411 AC_MSG_CHECKING(for GCC atomic builtins)
1412 dnl Since we'll be using these atomic builtins in C++ files we should test
1413 dnl the C++ compiler.
1418 volatile unsigned long val = 1;
1419 __sync_synchronize();
1420 __sync_val_compare_and_swap(&val, 1, 0);
1421 __sync_add_and_fetch(&val, 1);
1422 __sync_sub_and_fetch(&val, 1);
1428 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1430 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1431 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1433 dnl===-----------------------------------------------------------------------===
1435 dnl=== SECTION 9: Additional checks, variables, etc.
1437 dnl===-----------------------------------------------------------------------===
1439 dnl Handle 32-bit linux systems running a 64-bit kernel.
1440 dnl This has to come after section 4 because it invokes the compiler.
1441 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1443 if test "$llvm_cv_linux_mixed" = "yes"; then
1444 llvm_cv_target_arch="x86"
1449 dnl Check whether __dso_handle is present
1450 AC_CHECK_FUNCS([__dso_handle])
1452 dnl Propagate the shared library extension that the libltdl checks did to
1453 dnl the Makefiles so we can use it there too
1454 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1456 dnl Propagate the run-time library path variable that the libltdl
1457 dnl checks found to the Makefiles so we can use it there too
1458 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1460 dnl Translate the various configuration directories and other basic
1461 dnl information into substitutions that will end up in Makefile.config.in
1462 dnl that these configured values can be used by the makefiles
1463 if test "${prefix}" = "NONE" ; then
1466 eval LLVM_PREFIX="${prefix}";
1467 eval LLVM_BINDIR="${prefix}/bin";
1468 eval LLVM_LIBDIR="${prefix}/lib";
1469 eval LLVM_DATADIR="${prefix}/share/llvm";
1470 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1471 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1472 eval LLVM_INCLUDEDIR="${prefix}/include";
1473 eval LLVM_INFODIR="${prefix}/info";
1474 eval LLVM_MANDIR="${prefix}/man";
1475 LLVM_CONFIGTIME=`date`
1476 AC_SUBST(LLVM_PREFIX)
1477 AC_SUBST(LLVM_BINDIR)
1478 AC_SUBST(LLVM_LIBDIR)
1479 AC_SUBST(LLVM_DATADIR)
1480 AC_SUBST(LLVM_DOCSDIR)
1481 AC_SUBST(LLVM_ETCDIR)
1482 AC_SUBST(LLVM_INCLUDEDIR)
1483 AC_SUBST(LLVM_INFODIR)
1484 AC_SUBST(LLVM_MANDIR)
1485 AC_SUBST(LLVM_CONFIGTIME)
1487 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1488 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1489 LLVM_CONFIGTIME="(timestamp not enabled)"
1492 dnl Place the various directories into the config.h file as #defines so that we
1493 dnl can know about the installation paths within LLVM.
1494 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1495 [Installation prefix directory])
1496 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1497 [Installation directory for binary executables])
1498 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1499 [Installation directory for libraries])
1500 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1501 [Installation directory for data files])
1502 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1503 [Installation directory for documentation])
1504 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1505 [Installation directory for config files])
1506 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1507 [Installation directory for include files])
1508 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1509 [Installation directory for .info files])
1510 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1511 [Installation directory for man pages])
1512 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1513 [Time at which LLVM was configured])
1514 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1515 [Target triple LLVM will generate code for by default])
1517 dnl Determine which bindings to build.
1518 if test "$BINDINGS_TO_BUILD" = auto ; then
1519 BINDINGS_TO_BUILD=""
1520 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1521 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1524 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1526 dnl This isn't really configurey, but it avoids having to repeat the list in
1528 AC_SUBST(ALL_BINDINGS,ocaml)
1530 dnl Do any work necessary to ensure that bindings have what they need.
1531 binding_prereqs_failed=0
1532 for a_binding in $BINDINGS_TO_BUILD ; do
1533 case "$a_binding" in
1535 if test "x$OCAMLC" = x ; then
1536 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1537 binding_prereqs_failed=1
1539 if test "x$OCAMLDEP" = x ; then
1540 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1541 binding_prereqs_failed=1
1543 if test "x$OCAMLOPT" = x ; then
1544 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1545 dnl ocamlopt is optional!
1547 if test "x$with_ocaml_libdir" != xauto ; then
1548 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1550 ocaml_stdlib="`"$OCAMLC" -where`"
1551 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1553 # ocaml stdlib is beneath our prefix; use stdlib
1554 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1556 # ocaml stdlib is outside our prefix; use libdir/ocaml
1557 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1563 if test "$binding_prereqs_failed" = 1 ; then
1564 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1567 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1568 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1570 dnl Determine linker rpath flag
1571 if test "$llvm_cv_link_use_r" = "yes" ; then
1578 dnl Determine linker rdynamic flag
1579 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1580 RDYNAMIC="-Wl,-export-dynamic"
1586 dnl===-----------------------------------------------------------------------===
1588 dnl=== SECTION 10: Specify the output files and generate it
1590 dnl===-----------------------------------------------------------------------===
1592 dnl Configure header files
1593 dnl WARNING: dnl If you add or remove any of the following config headers, then
1594 dnl you MUST also update Makefile so that the variable FilesToConfig
1595 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1596 dnl files can be updated automatically when their *.in sources change.
1597 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1598 AH_TOP([#ifndef CONFIG_H
1602 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1603 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1604 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1605 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1606 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1608 dnl Configure the makefile's configuration data
1609 AC_CONFIG_FILES([Makefile.config])
1611 dnl Configure the RPM spec file for LLVM
1612 AC_CONFIG_FILES([llvm.spec])
1614 dnl Configure doxygen's configuration file
1615 AC_CONFIG_FILES([docs/doxygen.cfg])
1617 dnl Configure clang, if present
1618 if test "${clang_src_root}" = ""; then
1619 clang_src_root="$srcdir/tools/clang"
1621 if test -f ${clang_src_root}/README.txt; then
1622 dnl Use variables to stay under 80 columns.
1623 configh="include/clang/Config/config.h"
1624 doxy="docs/doxygen.cfg"
1625 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1626 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1629 dnl OCaml findlib META file
1630 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1632 dnl Do special configuration of Makefiles
1633 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1634 AC_CONFIG_MAKEFILE(Makefile)
1635 AC_CONFIG_MAKEFILE(Makefile.common)
1636 AC_CONFIG_MAKEFILE(examples/Makefile)
1637 AC_CONFIG_MAKEFILE(lib/Makefile)
1638 AC_CONFIG_MAKEFILE(runtime/Makefile)
1639 AC_CONFIG_MAKEFILE(test/Makefile)
1640 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1641 AC_CONFIG_MAKEFILE(unittests/Makefile)
1642 AC_CONFIG_MAKEFILE(tools/Makefile)
1643 AC_CONFIG_MAKEFILE(utils/Makefile)
1644 AC_CONFIG_MAKEFILE(projects/Makefile)
1645 AC_CONFIG_MAKEFILE(bindings/Makefile)
1646 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1648 dnl Finally, crank out the output