1 dnl **************************************************************************
3 dnl **************************************************************************
4 AC_INIT([[[SAMPLE]]],[[[x.xx]]],[bugs@yourdomain])
6 dnl Identify where LLVM source tree is
10 dnl Find absolute paths to LLVM source and object trees
11 LLVM_ABS_SRC_ROOT="`cd $srcdir ; cd $LLVM_SRC_ROOT ; pwd`"
12 LLVM_ABS_OBJ_ROOT="`cd $LLVM_OBJ_ROOT ; pwd`"
14 dnl Tell autoconf that this is an LLVM project being configured
15 dnl This provides the --with-llvmsrc and --with-llvmobj options
16 LLVM_CONFIG_PROJECT($LLVM_ABS_SRC_ROOT,$LLVM_ABS_OBJ_ROOT)
18 dnl Try and find an llvm-config in the build directory. We are only using this
19 dnl to detect the package level LLVM information (currently just the version),
20 dnl so we just whatever one we find regardless of build mode.
21 AC_MSG_CHECKING([llvm-config])
22 llvm_config_path="`ls -1 $llvm_obj/*/bin/llvm-config 2> /dev/null | head -1`"
23 if ! test -f "$llvm_config_path" ; then
26 AC_MSG_RESULT([$llvm_config_path])
28 dnl Determine the LLVM version, which may be required by the current Makefile
30 AC_MSG_CHECKING([LLVM package version])
31 if test "$llvm_config_path" != no ; then
32 llvm_package_version=`$llvm_config_path --version`
34 llvm_package_version="unknown";
36 AC_MSG_RESULT([$llvm_package_version])
37 AC_SUBST(LLVM_VERSION, [$llvm_package_version])
39 dnl Verify that the source directory is valid
40 AC_CONFIG_SRCDIR(["Makefile.common.in"])
42 dnl Place all of the extra autoconf files into the config subdirectory. Tell
43 dnl various tools where the m4 autoconf macros are.
44 AC_CONFIG_AUX_DIR([autoconf])
46 dnl **************************************************************************
47 dnl Begin LLVM configure.ac Import
48 dnl **************************************************************************
50 dnl Derived from LLVM's configure.ac. This was imported directly here so that we
51 dnl could reuse LLVM's build infrastructure without introducing a direct source
52 dnl dependency on the LLVM files.
54 dnl We need to check for the compiler up here to avoid anything else
55 dnl starting with a different one.
56 AC_PROG_CC(clang llvm-gcc gcc)
57 AC_PROG_CXX(clang++ llvm-g++ g++)
60 dnl Configure all of the projects present in our source tree. While we could
61 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
62 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
63 dnl Instead we match on the known projects.
66 dnl One tricky part of doing this is that some projects depend upon other
67 dnl projects. For example, several projects rely upon the LLVM test suite.
68 dnl We want to configure those projects first so that their object trees are
69 dnl created before running the configure scripts of projects that depend upon
73 dnl Disable the build of polly, even if it is checked out into tools/polly.
75 AS_HELP_STRING([--enable-polly],
76 [Use polly if available (default is YES)]),,
79 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
80 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
81 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
82 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
86 dnl Check if polly is checked out into tools/polly and configure it if
88 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
89 AC_SUBST(LLVM_HAS_POLLY,1)
90 AC_CONFIG_SUBDIRS([tools/polly])
93 dnl===-----------------------------------------------------------------------===
95 dnl=== SECTION 2: Architecture, target, and host checks
97 dnl===-----------------------------------------------------------------------===
99 dnl Check the target for which we're compiling and the host that will do the
100 dnl compilations. This will tell us which LLVM compiler will be used for
101 dnl compiling SSA into object code. This needs to be done early because
102 dnl following tests depend on it.
105 dnl Determine the platform type and cache its value. This helps us configure
106 dnl the System library to the correct build platform.
107 AC_CACHE_CHECK([type of operating system we're going to host on],
111 llvm_cv_link_all_option="-Wl,--whole-archive"
112 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
113 llvm_cv_os_type="AIX"
114 llvm_cv_platform_type="Unix" ;;
116 llvm_cv_link_all_option="-Wl,--whole-archive"
117 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
118 llvm_cv_os_type="IRIX"
119 llvm_cv_platform_type="Unix" ;;
121 llvm_cv_link_all_option="-Wl,--whole-archive"
122 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
123 llvm_cv_os_type="Cygwin"
124 llvm_cv_platform_type="Unix" ;;
126 llvm_cv_link_all_option="-Wl,-all_load"
127 llvm_cv_no_link_all_option="-Wl,-noall_load"
128 llvm_cv_os_type="Darwin"
129 llvm_cv_platform_type="Unix" ;;
131 llvm_cv_link_all_option="-Wl,-all_load"
132 llvm_cv_no_link_all_option="-Wl,-noall_load"
133 llvm_cv_os_type="Minix"
134 llvm_cv_platform_type="Unix" ;;
135 *-*-freebsd* | *-*-kfreebsd-gnu)
136 llvm_cv_link_all_option="-Wl,--whole-archive"
137 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
138 llvm_cv_os_type="FreeBSD"
139 llvm_cv_platform_type="Unix" ;;
141 llvm_cv_link_all_option="-Wl,--whole-archive"
142 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
143 llvm_cv_os_type="OpenBSD"
144 llvm_cv_platform_type="Unix" ;;
146 llvm_cv_link_all_option="-Wl,--whole-archive"
147 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
148 llvm_cv_os_type="NetBSD"
149 llvm_cv_platform_type="Unix" ;;
151 llvm_cv_link_all_option="-Wl,--whole-archive"
152 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
153 llvm_cv_os_type="DragonFly"
154 llvm_cv_platform_type="Unix" ;;
156 llvm_cv_link_all_option="-Wl,--whole-archive"
157 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
158 llvm_cv_os_type="HP-UX"
159 llvm_cv_platform_type="Unix" ;;
161 llvm_cv_link_all_option="-Wl,--whole-archive"
162 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
163 llvm_cv_os_type="Interix"
164 llvm_cv_platform_type="Unix" ;;
166 llvm_cv_link_all_option="-Wl,--whole-archive"
167 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
168 llvm_cv_os_type="Linux"
169 llvm_cv_platform_type="Unix" ;;
171 llvm_cv_link_all_option="-Wl,--whole-archive"
172 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
173 llvm_cv_os_type="GNU"
174 llvm_cv_platform_type="Unix" ;;
176 llvm_cv_link_all_option="-Wl,-z,allextract"
177 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
178 llvm_cv_os_type="SunOS"
179 llvm_cv_platform_type="Unix" ;;
181 llvm_cv_link_all_option="-Wl,-z,allextract"
182 llvm_cv_link_all_option="-Wl,-z,defaultextract"
183 llvm_cv_os_type="AuroraUX"
184 llvm_cv_platform_type="Unix" ;;
186 llvm_cv_link_all_option="-Wl,--whole-archive"
187 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
188 llvm_cv_os_type="Win32"
189 llvm_cv_platform_type="Win32" ;;
191 llvm_cv_link_all_option="-Wl,--whole-archive"
192 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
193 llvm_cv_os_type="MingW"
194 llvm_cv_platform_type="Win32" ;;
196 llvm_cv_link_all_option="-Wl,--whole-archive"
197 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
198 llvm_cv_os_type="Haiku"
199 llvm_cv_platform_type="Unix" ;;
201 llvm_cv_link_all_option="-Wl,--whole-archive"
202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
203 llvm_cv_os_type="Freestanding"
204 llvm_cv_platform_type="Unix" ;;
206 llvm_cv_link_all_option="-Wl,--whole-archive"
207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
208 llvm_cv_os_type="Freestanding"
209 llvm_cv_platform_type="Unix" ;;
211 llvm_cv_link_all_option=""
212 llvm_cv_no_link_all_option=""
213 llvm_cv_os_type="Unknown"
214 llvm_cv_platform_type="Unknown" ;;
217 AC_CACHE_CHECK([type of operating system we're going to target],
218 [llvm_cv_target_os_type],
221 llvm_cv_target_os_type="AIX" ;;
223 llvm_cv_target_os_type="IRIX" ;;
225 llvm_cv_target_os_type="Cygwin" ;;
227 llvm_cv_target_os_type="Darwin" ;;
229 llvm_cv_target_os_type="Minix" ;;
230 *-*-freebsd* | *-*-kfreebsd-gnu)
231 llvm_cv_target_os_type="FreeBSD" ;;
233 llvm_cv_target_os_type="OpenBSD" ;;
235 llvm_cv_target_os_type="NetBSD" ;;
237 llvm_cv_target_os_type="DragonFly" ;;
239 llvm_cv_target_os_type="HP-UX" ;;
241 llvm_cv_target_os_type="Interix" ;;
243 llvm_cv_target_os_type="Linux" ;;
245 llvm_cv_target_os_type="GNU" ;;
247 llvm_cv_target_os_type="SunOS" ;;
249 llvm_cv_target_os_type="AuroraUX" ;;
251 llvm_cv_target_os_type="Win32" ;;
253 llvm_cv_target_os_type="MingW" ;;
255 llvm_cv_target_os_type="Haiku" ;;
257 llvm_cv_target_os_type="RTEMS" ;;
259 llvm_cv_target_os_type="NativeClient" ;;
261 llvm_cv_target_os_type="Freestanding" ;;
263 llvm_cv_target_os_type="Unknown" ;;
266 dnl Make sure we aren't attempting to configure for an unknown system
267 if test "$llvm_cv_os_type" = "Unknown" ; then
268 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
271 dnl Set the "OS" Makefile variable based on the platform type so the
272 dnl makefile can configure itself to specific build hosts
273 AC_SUBST(OS,$llvm_cv_os_type)
274 AC_SUBST(HOST_OS,$llvm_cv_os_type)
275 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
277 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
278 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
279 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
281 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
282 dnl This is used by lib/Support to determine the basic kind of implementation
284 case $llvm_cv_platform_type in
286 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
287 AC_SUBST(LLVM_ON_UNIX,[1])
288 AC_SUBST(LLVM_ON_WIN32,[0])
291 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
292 AC_SUBST(LLVM_ON_UNIX,[0])
293 AC_SUBST(LLVM_ON_WIN32,[1])
297 dnl Determine what our target architecture is and configure accordingly.
298 dnl This will allow Makefiles to make a distinction between the hardware and
300 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
302 i?86-*) llvm_cv_target_arch="x86" ;;
303 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
304 sparc*-*) llvm_cv_target_arch="Sparc" ;;
305 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
306 arm*-*) llvm_cv_target_arch="ARM" ;;
307 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
308 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
309 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
310 xcore-*) llvm_cv_target_arch="XCore" ;;
311 msp430-*) llvm_cv_target_arch="MSP430" ;;
312 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
313 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
314 s390x-*) llvm_cv_target_arch="SystemZ" ;;
315 *) llvm_cv_target_arch="Unknown" ;;
318 if test "$llvm_cv_target_arch" = "Unknown" ; then
319 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
322 # Determine the LLVM native architecture for the target
323 case "$llvm_cv_target_arch" in
324 x86) LLVM_NATIVE_ARCH="X86" ;;
325 x86_64) LLVM_NATIVE_ARCH="X86" ;;
326 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
329 dnl Define a substitution, ARCH, for the target architecture
330 AC_SUBST(ARCH,$llvm_cv_target_arch)
332 dnl Check for the endianness of the target
333 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
335 dnl Check for build platform executable suffix if we're crosscompiling
336 if test "$cross_compiling" = yes; then
337 AC_SUBST(LLVM_CROSS_COMPILING, [1])
339 ac_build_prefix=${build_alias}-
340 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
341 if test -z "$BUILD_CXX"; then
342 AC_CHECK_PROG(BUILD_CXX, g++, g++)
343 if test -z "$BUILD_CXX"; then
344 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
348 AC_SUBST(LLVM_CROSS_COMPILING, [0])
351 dnl Check to see if there's a .svn or .git directory indicating that this
352 dnl build is being done from a checkout. This sets up several defaults for
353 dnl the command line switches. When we build with a checkout directory,
354 dnl we get a debug with assertions turned on. Without, we assume a source
355 dnl release and we get an optimized build without assertions.
356 dnl See --enable-optimized and --enable-assertions below
357 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
360 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
366 dnl===-----------------------------------------------------------------------===
368 dnl=== SECTION 3: Command line arguments for the configure script.
370 dnl===-----------------------------------------------------------------------===
372 dnl --enable-libcpp : check whether or not to use libc++ on the command line
373 AC_ARG_ENABLE(libcpp,
374 AS_HELP_STRING([--enable-libcpp],
375 [Use libc++ if available (default is NO)]),,
378 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
379 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
380 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
381 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
384 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
386 AS_HELP_STRING([--enable-cxx11],
387 [Use c++11 if available (default is NO)]),,
390 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
391 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
392 default) AC_SUBST(ENABLE_CXX11,[0]);;
393 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
396 dnl --enable-optimized : check whether they want to do an optimized build:
397 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
398 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
399 if test ${enableval} = "no" ; then
400 AC_SUBST(ENABLE_OPTIMIZED,[[]])
402 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
405 dnl --enable-profiling : check whether they want to do a profile build:
406 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
407 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
408 if test ${enableval} = "no" ; then
409 AC_SUBST(ENABLE_PROFILING,[[]])
411 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
414 dnl --enable-assertions : check whether they want to turn on assertions or not:
415 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
416 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
417 if test ${enableval} = "yes" ; then
418 AC_SUBST(DISABLE_ASSERTIONS,[[]])
420 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
423 dnl --enable-werror : check whether we want Werror on by default
424 AC_ARG_ENABLE(werror,AS_HELP_STRING(
425 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
427 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
428 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
429 default) AC_SUBST(ENABLE_WERROR,[0]);;
430 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
433 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
434 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
435 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
436 if test ${enableval} = "yes" ; then
437 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
438 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
440 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
441 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
444 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
445 AC_ARG_ENABLE(debug-runtime,
446 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
447 if test ${enableval} = "no" ; then
448 AC_SUBST(DEBUG_RUNTIME,[[]])
450 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
453 dnl --enable-debug-symbols : should even optimized compiler libraries
454 dnl have debug symbols?
455 AC_ARG_ENABLE(debug-symbols,
456 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)
457 if test ${enableval} = "no" ; then
458 AC_SUBST(DEBUG_SYMBOLS,[[]])
460 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
463 dnl --enable-jit: check whether they want to enable the jit
465 AS_HELP_STRING(--enable-jit,
466 [Enable Just In Time Compiling (default is YES)]),,
468 if test ${enableval} = "no"
472 case "$llvm_cv_target_arch" in
473 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
474 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
475 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
476 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
477 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
478 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
479 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
480 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
481 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
482 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
483 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
484 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
485 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
489 dnl Allow enablement of building and installing docs
491 AS_HELP_STRING([--enable-docs],
492 [Build documents (default is YES)]),,
495 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
496 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
497 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
498 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
501 dnl Allow enablement of doxygen generated documentation
502 AC_ARG_ENABLE(doxygen,
503 AS_HELP_STRING([--enable-doxygen],
504 [Build doxygen documentation (default is NO)]),,
507 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
508 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
509 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
510 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
513 dnl Allow disablement of threads
514 AC_ARG_ENABLE(threads,
515 AS_HELP_STRING([--enable-threads],
516 [Use threads if available (default is YES)]),,
519 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
520 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
521 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
522 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
524 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
526 dnl Allow disablement of pthread.h
527 AC_ARG_ENABLE(pthreads,
528 AS_HELP_STRING([--enable-pthreads],
529 [Use pthreads if available (default is YES)]),,
532 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
533 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
534 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
535 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
538 dnl Allow disablement of zlib
540 AS_HELP_STRING([--enable-zlib],
541 [Use zlib for compression/decompression if
542 available (default is YES)]),,
545 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
546 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
547 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
548 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
550 AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
551 [Define if zlib is enabled])
553 dnl Allow building without position independent code
555 AS_HELP_STRING([--enable-pic],
556 [Build LLVM with Position Independent Code (default is YES)]),,
559 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
560 no) AC_SUBST(ENABLE_PIC,[0]) ;;
561 default) AC_SUBST(ENABLE_PIC,[1]) ;;
562 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
564 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
565 [Define if position independent code is enabled])
567 dnl Allow building a shared library and linking tools against it.
568 AC_ARG_ENABLE(shared,
569 AS_HELP_STRING([--enable-shared],
570 [Build a shared library and link tools against it (default is NO)]),,
573 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
574 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
575 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
576 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
579 dnl Allow libstdc++ is embedded in LLVM.dll.
580 AC_ARG_ENABLE(embed-stdcxx,
581 AS_HELP_STRING([--enable-embed-stdcxx],
582 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
585 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
586 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
587 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
588 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
591 dnl Enable embedding timestamp information into build.
592 AC_ARG_ENABLE(timestamps,
593 AS_HELP_STRING([--enable-timestamps],
594 [Enable embedding timestamp information in build (default is YES)]),,
597 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
598 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
599 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
600 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
602 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
603 [Define if timestamp information (e.g., __DATE___) is allowed])
605 dnl Allow specific targets to be specified for building (or not)
607 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
608 [Build specific host targets: all or target1,target2,... Valid targets are:
609 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
610 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
612 if test "$enableval" = host-only ; then
616 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;;
617 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
619 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
620 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
621 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
622 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
623 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
624 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
625 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
626 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
627 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
628 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
629 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
630 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
631 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
632 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
633 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
634 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
635 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
636 host) case "$llvm_cv_target_arch" in
637 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
638 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
639 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
640 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
641 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
642 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
643 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
644 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
645 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
646 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
647 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
648 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
649 *) AC_MSG_ERROR([Can not set target to build]) ;;
651 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
656 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
658 # Determine whether we are building LLVM support for the native architecture.
659 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
660 for a_target in $TARGETS_TO_BUILD; do
661 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
662 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
663 [LLVM architecture name for the native architecture, if available])
664 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
665 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
666 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
667 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
668 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
669 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
671 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
672 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
674 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
675 [LLVM name for the native Target init function, if available])
676 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
677 [LLVM name for the native TargetInfo init function, if available])
678 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
679 [LLVM name for the native target MC init function, if available])
680 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
681 [LLVM name for the native AsmPrinter init function, if available])
682 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
683 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
684 [LLVM name for the native AsmParser init function, if available])
686 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
687 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
688 [LLVM name for the native Disassembler init function, if available])
693 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
694 # target feature def files.
696 LLVM_ENUM_ASM_PRINTERS=""
697 LLVM_ENUM_ASM_PARSERS=""
698 LLVM_ENUM_DISASSEMBLERS=""
699 for target_to_build in $TARGETS_TO_BUILD; do
700 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
701 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
702 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
704 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
705 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
707 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
708 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
711 AC_SUBST(LLVM_ENUM_TARGETS)
712 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
713 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
714 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
716 dnl Override the option to use for optimized builds.
717 AC_ARG_WITH(optimize-option,
718 AS_HELP_STRING([--with-optimize-option],
719 [Select the compiler options to use for optimized builds]),,
721 AC_MSG_CHECKING([optimization flags])
724 case "$llvm_cv_os_type" in
725 FreeBSD) optimize_option=-O2 ;;
726 MingW) optimize_option=-O2 ;;
727 *) optimize_option=-O3 ;;
729 *) optimize_option="$withval" ;;
731 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
732 AC_MSG_RESULT([$optimize_option])
734 dnl Specify extra build options
735 AC_ARG_WITH(extra-options,
736 AS_HELP_STRING([--with-extra-options],
737 [Specify additional options to compile LLVM with]),,
740 default) EXTRA_OPTIONS= ;;
741 *) EXTRA_OPTIONS=$withval ;;
743 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
745 dnl Specify extra linker build options
746 AC_ARG_WITH(extra-ld-options,
747 AS_HELP_STRING([--with-extra-ld-options],
748 [Specify additional options to link LLVM with]),,
751 default) EXTRA_LD_OPTIONS= ;;
752 *) EXTRA_LD_OPTIONS=$withval ;;
754 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
756 dnl Allow specific bindings to be specified for building (or not)
757 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
758 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
762 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
763 all ) BINDINGS_TO_BUILD="ocaml" ;;
764 none | no) BINDINGS_TO_BUILD="" ;;
765 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
767 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
768 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
774 dnl Allow the ocaml libdir to be overridden. This could go in a configure
775 dnl script for bindings/ocaml/configure, except that its auto value depends on
776 dnl OCAMLC, which is found here to support tests.
777 AC_ARG_WITH([ocaml-libdir],
778 [AS_HELP_STRING([--with-ocaml-libdir],
779 [Specify install location for ocaml bindings (default is stdlib)])],
783 auto) with_ocaml_libdir="$withval" ;;
784 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
785 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
788 AC_ARG_WITH(clang-resource-dir,
789 AS_HELP_STRING([--with-clang-resource-dir],
790 [Relative directory from the Clang binary for resource files]),,
792 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
793 [Relative directory for resource files])
795 AC_ARG_WITH(c-include-dirs,
796 AS_HELP_STRING([--with-c-include-dirs],
797 [Colon separated list of directories clang will search for headers]),,
799 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
800 [Directories clang will search for headers])
802 # Clang normally uses the system c++ headers and libraries. With this option,
803 # clang will use the ones provided by a gcc installation instead. This option should
804 # be passed the same value that was used with --prefix when configuring gcc.
805 AC_ARG_WITH(gcc-toolchain,
806 AS_HELP_STRING([--with-gcc-toolchain],
807 [Directory where gcc is installed.]),,
809 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
810 [Directory where gcc is installed.])
812 dnl Allow linking of LLVM with GPLv3 binutils code.
813 AC_ARG_WITH(binutils-include,
814 AS_HELP_STRING([--with-binutils-include],
815 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
818 default) WITH_BINUTILS_INCDIR=default ;;
819 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
820 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
822 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
823 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
824 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
825 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
826 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
830 dnl Specify the URL where bug reports should be submitted.
831 AC_ARG_WITH(bug-report-url,
832 AS_HELP_STRING([--with-bug-report-url],
833 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
834 withval="http://llvm.org/bugs/")
835 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
838 dnl --enable-terminfo: check whether the user wants to control use of terminfo:
839 AC_ARG_ENABLE(terminfo,AS_HELP_STRING(
841 [Query the terminfo database if available (default is YES)]),
842 [case "$enableval" in
843 yes) llvm_cv_enable_terminfo="yes" ;;
844 no) llvm_cv_enable_terminfo="no" ;;
845 *) AC_MSG_ERROR([Invalid setting for --enable-terminfo. Use "yes" or "no"]) ;;
847 llvm_cv_enable_terminfo="yes")
849 dnl --enable-libffi : check whether the user wants to turn off libffi:
850 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
851 --enable-libffi,[Check for the presence of libffi (default is NO)]),
852 [case "$enableval" in
853 yes) llvm_cv_enable_libffi="yes" ;;
854 no) llvm_cv_enable_libffi="no" ;;
855 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
857 llvm_cv_enable_libffi=no)
859 dnl===-----------------------------------------------------------------------===
861 dnl=== SECTION 4: Check for programs we need and that they are the right version
863 dnl===-----------------------------------------------------------------------===
868 dnl Check for the tools that the makefiles require
871 AC_PATH_PROG(CMP, [cmp], [cmp])
872 AC_PATH_PROG(CP, [cp], [cp])
873 AC_PATH_PROG(DATE, [date], [date])
874 AC_PATH_PROG(FIND, [find], [find])
875 AC_PATH_PROG(GREP, [grep], [grep])
876 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
877 AC_PATH_PROG(MV, [mv], [mv])
879 AC_CHECK_TOOL(AR, ar, false)
880 AC_PATH_PROG(RM, [rm], [rm])
881 AC_PATH_PROG(SED, [sed], [sed])
882 AC_PATH_PROG(TAR, [tar], [gtar])
883 AC_PATH_PROG(BINPWD,[pwd], [pwd])
885 dnl Looking for misc. graph plotting software
886 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
887 if test "$GRAPHVIZ" != "echo Graphviz" ; then
888 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
889 dnl If we're targeting for mingw we should emit windows paths, not msys
890 if test "$llvm_cv_os_type" = "MingW" ; then
891 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
893 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
894 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
896 AC_PATH_PROG(DOT, [dot], [echo dot])
897 if test "$DOT" != "echo dot" ; then
898 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
899 dnl If we're targeting for mingw we should emit windows paths, not msys
900 if test "$llvm_cv_os_type" = "MingW" ; then
901 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
903 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
904 [Define to path to dot program if found or 'echo dot' otherwise])
906 AC_PATH_PROG(FDP, [fdp], [echo fdp])
907 if test "$FDP" != "echo fdp" ; then
908 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
909 dnl If we're targeting for mingw we should emit windows paths, not msys
910 if test "$llvm_cv_os_type" = "MingW" ; then
911 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
913 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
914 [Define to path to fdp program if found or 'echo fdp' otherwise])
916 AC_PATH_PROG(NEATO, [neato], [echo neato])
917 if test "$NEATO" != "echo neato" ; then
918 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
919 dnl If we're targeting for mingw we should emit windows paths, not msys
920 if test "$llvm_cv_os_type" = "MingW" ; then
921 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
923 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
924 [Define to path to neato program if found or 'echo neato' otherwise])
926 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
927 if test "$TWOPI" != "echo twopi" ; then
928 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
929 dnl If we're targeting for mingw we should emit windows paths, not msys
930 if test "$llvm_cv_os_type" = "MingW" ; then
931 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
933 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
934 [Define to path to twopi program if found or 'echo twopi' otherwise])
936 AC_PATH_PROG(CIRCO, [circo], [echo circo])
937 if test "$CIRCO" != "echo circo" ; then
938 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
939 dnl If we're targeting for mingw we should emit windows paths, not msys
940 if test "$llvm_cv_os_type" = "MingW" ; then
941 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
943 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
944 [Define to path to circo program if found or 'echo circo' otherwise])
946 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
947 if test "$GV" != "echo gv" ; then
948 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
949 dnl If we're targeting for mingw we should emit windows paths, not msys
950 if test "$llvm_cv_os_type" = "MingW" ; then
951 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
953 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
954 [Define to path to gv program if found or 'echo gv' otherwise])
956 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
957 if test "$DOTTY" != "echo dotty" ; then
958 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
959 dnl If we're targeting for mingw we should emit windows paths, not msys
960 if test "$llvm_cv_os_type" = "MingW" ; then
961 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
963 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
964 [Define to path to dotty program if found or 'echo dotty' otherwise])
966 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
967 if test "$XDOT_PY" != "echo xdot.py" ; then
968 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
969 dnl If we're targeting for mingw we should emit windows paths, not msys
970 if test "$llvm_cv_os_type" = "MingW" ; then
971 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
973 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
974 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
977 dnl Find the install program
979 dnl Prepend src dir to install path dir if it's a relative path
980 dnl This is a hack for installs that take place in something other
981 dnl than the top level.
983 [[\\/$]]* | ?:[[\\/]]* ) ;;
984 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
987 dnl Checks for documentation and testing tools that we can do without. If these
988 dnl are not found then they are set to "true" which always succeeds but does
989 dnl nothing. This just lets the build output show that we could have done
990 dnl something if the tool was available.
991 AC_PATH_PROG(BZIP2, [bzip2])
992 AC_PATH_PROG(CAT, [cat])
993 AC_PATH_PROG(DOXYGEN, [doxygen])
994 AC_PATH_PROG(GROFF, [groff])
995 AC_PATH_PROG(GZIPBIN, [gzip])
996 AC_PATH_PROG(POD2HTML, [pod2html])
997 AC_PATH_PROG(POD2MAN, [pod2man])
998 AC_PATH_PROG(PDFROFF, [pdfroff])
999 AC_PATH_PROG(RUNTEST, [runtest])
1001 AC_PATH_PROG(ZIP, [zip])
1002 AC_PATH_PROGS(OCAMLC, [ocamlc])
1003 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1004 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1005 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1006 AC_PATH_PROGS(GAS, [gas as])
1008 dnl Get the version of the linker in use.
1011 dnl Determine whether the linker supports the -R option.
1014 dnl Determine whether the compiler supports the -rdynamic option.
1015 AC_LINK_EXPORT_DYNAMIC
1017 dnl Determine whether the linker supports the --version-script option.
1018 AC_LINK_VERSION_SCRIPT
1020 AC_MSG_CHECKING([tool compatibility])
1022 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1023 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1024 dnl to support those options.
1025 dnl "icc" emits gcc signatures
1026 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1038 if test "$GCC" != "yes" && test "$ICC" != "yes"
1040 AC_MSG_ERROR([gcc|icc required but not found])
1043 dnl Ensure that compilation tools are compatible with GCC extensions
1044 if test "$GXX" != "yes" && test "$IXX" != "yes"
1046 AC_MSG_ERROR([g++|clang++|icc required but not found])
1049 dnl Verify that GCC is version 3.0 or higher
1050 if test "$GCC" = "yes"
1052 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1053 #error Unsupported GCC version
1055 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1058 dnl Check for GNU Make. We use its extensions, so don't build without it
1059 if test -z "$llvm_cv_gnu_make_command"
1061 AC_MSG_ERROR([GNU Make required but not found])
1064 dnl Tool compatibility is okay if we make it here.
1067 dnl Check optional compiler flags.
1068 AC_MSG_CHECKING([optional compiler flags])
1069 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1070 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1071 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1072 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1074 dnl===-----------------------------------------------------------------------===
1076 dnl=== SECTION 5: Check for libraries
1078 dnl===-----------------------------------------------------------------------===
1081 if test "$llvm_cv_os_type" = "MingW" ; then
1082 AC_CHECK_LIB(imagehlp, main)
1083 AC_CHECK_LIB(psapi, main)
1084 AC_CHECK_LIB(shell32, main)
1087 dnl dlopen() is required for plugin support.
1088 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1089 [Define if dlopen() is available on this platform.]),
1090 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1092 dnl Search for the clock_gettime() function. Note that we rely on the POSIX
1093 dnl macros to detect whether clock_gettime is available, this just finds the
1094 dnl right libraries to link with.
1095 AC_SEARCH_LIBS(clock_gettime,rt)
1097 dnl The curses library is optional; used for querying terminal info
1098 if test "$llvm_cv_enable_terminfo" = "yes" ; then
1099 dnl We need the has_color functionality in curses for it to be useful.
1100 AC_SEARCH_LIBS(setupterm,tinfo curses ncurses ncursesw,
1101 AC_DEFINE([HAVE_TERMINFO],[1],
1102 [Define if the setupterm() function is supported this platform.]))
1105 dnl libffi is optional; used to call external functions from the interpreter
1106 if test "$llvm_cv_enable_libffi" = "yes" ; then
1107 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1108 [Define if libffi is available on this platform.]),
1109 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1112 dnl mallinfo is optional; the code can compile (minus features) without it
1113 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1114 [Define if mallinfo() is available on this platform.]))
1116 dnl pthread locking functions are optional - but llvm will not be thread-safe
1118 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1119 AC_CHECK_LIB(pthread, pthread_mutex_init)
1120 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1121 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1122 [Have pthread_mutex_lock]))
1123 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1124 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1125 [Have pthread_rwlock_init]))
1126 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1127 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1128 [Have pthread_getspecific]))
1131 dnl zlib is optional; used for compression/uncompression
1132 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1133 AC_CHECK_LIB(z, compress2)
1136 dnl Allow extra x86-disassembler library
1138 AS_HELP_STRING([--with-udis86=<path>],
1139 [Use udis86 external x86 disassembler library]),
1141 AC_SUBST(USE_UDIS86, [1])
1144 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1146 AC_CHECK_LIB(udis86, ud_init, [], [
1147 echo "Error! You need to have libudis86 around."
1151 AC_SUBST(USE_UDIS86, [0]))
1152 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1153 [Define if use udis86 library])
1155 dnl Allow OProfile support for JIT output.
1156 AC_ARG_WITH(oprofile,
1157 AS_HELP_STRING([--with-oprofile=<prefix>],
1158 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1160 AC_SUBST(USE_OPROFILE, [1])
1162 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1164 AC_SUBST(USE_OPROFILE, [0]) ;;
1165 *) llvm_cv_oppath="${withval}/lib/oprofile"
1166 CPPFLAGS="-I${withval}/include";;
1168 if test -n "$llvm_cv_oppath" ; then
1169 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1170 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1171 dnl libbfd is not included properly in libopagent in some Debian
1172 dnl versions. If libbfd isn't found at all, we assume opagent works
1174 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1175 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1176 echo "Error! You need to have libopagent around."
1179 AC_CHECK_HEADER([opagent.h], [], [
1180 echo "Error! You need to have opagent.h around."
1186 AC_SUBST(USE_OPROFILE, [0])
1188 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1189 [Define if we have the oprofile JIT-support library])
1191 dnl===-----------------------------------------------------------------------===
1193 dnl=== SECTION 6: Check for header files
1195 dnl===-----------------------------------------------------------------------===
1197 dnl First, use autoconf provided macros for specific headers that we need
1198 dnl We don't check for ancient stuff or things that are guaranteed to be there
1199 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1200 dnl Generally we're looking for POSIX headers.
1202 AC_HEADER_MMAP_ANONYMOUS
1207 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1208 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1209 AC_CHECK_HEADERS([utime.h windows.h])
1210 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1211 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1212 AC_CHECK_HEADERS([valgrind/valgrind.h])
1213 AC_CHECK_HEADERS([fenv.h])
1214 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1215 AC_CHECK_HEADERS(pthread.h,
1216 AC_SUBST(HAVE_PTHREAD, 1),
1217 AC_SUBST(HAVE_PTHREAD, 0))
1219 AC_SUBST(HAVE_PTHREAD, 0)
1221 if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
1222 AC_CHECK_HEADERS(zlib.h,
1223 AC_SUBST(HAVE_LIBZ, 1),
1224 AC_SUBST(HAVE_LIBZ, 0))
1226 AC_SUBST(HAVE_LIBZ, 0)
1229 dnl Try to find ffi.h.
1230 if test "$llvm_cv_enable_libffi" = "yes" ; then
1231 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1234 dnl Try to find Darwin specific crash reporting libraries.
1235 AC_CHECK_HEADERS([CrashReporterClient.h])
1237 dnl Try to find Darwin specific crash reporting global.
1238 AC_MSG_CHECKING([__crashreporter_info__])
1241 [[extern const char *__crashreporter_info__;
1243 __crashreporter_info__ = "test";
1248 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1250 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1251 Define if __crashreporter_info__ exists.))
1253 dnl===-----------------------------------------------------------------------===
1255 dnl=== SECTION 7: Check for types and structures
1257 dnl===-----------------------------------------------------------------------===
1262 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1264 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1265 AC_CHECK_TYPES([uint64_t],,
1266 AC_CHECK_TYPES([u_int64_t],,
1267 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1269 dnl===-----------------------------------------------------------------------===
1271 dnl=== SECTION 8: Check for specific functions needed
1273 dnl===-----------------------------------------------------------------------===
1275 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1276 AC_CHECK_FUNCS([powf fmodf strtof round ])
1277 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1278 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1279 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1280 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1281 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1282 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1286 dnl Check the declaration "Secure API" on Windows environments.
1287 AC_CHECK_DECLS([strerror_s])
1289 dnl Check symbols in libgcc.a for JIT on Mingw.
1290 if test "$llvm_cv_os_type" = "MingW" ; then
1291 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1292 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1293 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1294 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1296 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1297 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1298 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1299 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1300 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1301 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1302 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1303 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1304 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1305 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1307 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1308 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1311 dnl Check Win32 API EnumerateLoadedModules.
1312 if test "$llvm_cv_os_type" = "MingW" ; then
1313 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1314 AC_COMPILE_IFELSE([[#include <windows.h>
1315 #include <imagehlp.h>
1316 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1317 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1319 AC_MSG_RESULT([yes])
1320 llvm_cv_win32_elmcb_pcstr="PCSTR"
1324 llvm_cv_win32_elmcb_pcstr="PSTR"
1326 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1329 dnl Check for variations in the Standard C++ library and STL. These macros are
1330 dnl provided by LLVM in the autoconf/m4 directory.
1334 dnl Check for mmap support.We also need to know if /dev/zero is required to
1335 dnl be opened for allocating RWX memory.
1336 dnl Make sure we aren't attempting to configure for an unknown system
1337 if test "$llvm_cv_platform_type" = "Unix" ; then
1340 AC_NEED_DEV_ZERO_FOR_MMAP
1342 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1344 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1346 if test "$ac_cv_func_mmap_file" = "no"
1348 AC_MSG_WARN([mmap() of files required but not found])
1352 dnl atomic builtins are required for threading support.
1353 AC_MSG_CHECKING(for GCC atomic builtins)
1354 dnl Since we'll be using these atomic builtins in C++ files we should test
1355 dnl the C++ compiler.
1360 volatile unsigned long val = 1;
1361 __sync_synchronize();
1362 __sync_val_compare_and_swap(&val, 1, 0);
1363 __sync_add_and_fetch(&val, 1);
1364 __sync_sub_and_fetch(&val, 1);
1370 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1372 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1373 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1375 dnl===-----------------------------------------------------------------------===
1377 dnl=== SECTION 9: Additional checks, variables, etc.
1379 dnl===-----------------------------------------------------------------------===
1381 dnl Handle 32-bit linux systems running a 64-bit kernel.
1382 dnl This has to come after section 4 because it invokes the compiler.
1383 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1385 if test "$llvm_cv_linux_mixed" = "yes"; then
1386 llvm_cv_target_arch="x86"
1391 dnl Check whether __dso_handle is present
1392 AC_CHECK_FUNCS([__dso_handle])
1394 dnl Propagate the shared library extension that the libltdl checks did to
1395 dnl the Makefiles so we can use it there too
1396 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1398 # Translate the various configuration directories and other basic
1399 # information into substitutions that will end up in Makefile.config.in
1400 # that these configured values can be used by the makefiles
1401 if test "${prefix}" = "NONE" ; then
1404 eval LLVM_PREFIX="${prefix}";
1405 eval LLVM_BINDIR="${prefix}/bin";
1406 eval LLVM_DATADIR="${prefix}/share/llvm";
1407 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1408 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1409 eval LLVM_INCLUDEDIR="${prefix}/include";
1410 eval LLVM_INFODIR="${prefix}/info";
1411 eval LLVM_MANDIR="${prefix}/man";
1412 LLVM_CONFIGTIME=`date`
1413 AC_SUBST(LLVM_PREFIX)
1414 AC_SUBST(LLVM_BINDIR)
1415 AC_SUBST(LLVM_DATADIR)
1416 AC_SUBST(LLVM_DOCSDIR)
1417 AC_SUBST(LLVM_ETCDIR)
1418 AC_SUBST(LLVM_INCLUDEDIR)
1419 AC_SUBST(LLVM_INFODIR)
1420 AC_SUBST(LLVM_MANDIR)
1421 AC_SUBST(LLVM_CONFIGTIME)
1423 # Place the various directores into the config.h file as #defines so that we
1424 # can know about the installation paths within LLVM.
1425 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1426 [Installation prefix directory])
1427 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1428 [Installation directory for binary executables])
1429 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1430 [Installation directory for data files])
1431 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1432 [Installation directory for documentation])
1433 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1434 [Installation directory for config files])
1435 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1436 [Installation directory for include files])
1437 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1438 [Installation directory for .info files])
1439 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1440 [Installation directory for man pages])
1441 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1442 [Time at which LLVM was configured])
1443 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1444 [Target triple LLVM will generate code for by default])
1446 # Determine which bindings to build.
1447 if test "$BINDINGS_TO_BUILD" = auto ; then
1448 BINDINGS_TO_BUILD=""
1449 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1450 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1453 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1455 # This isn't really configurey, but it avoids having to repeat the list in
1457 AC_SUBST(ALL_BINDINGS,ocaml)
1459 # Do any work necessary to ensure that bindings have what they need.
1460 binding_prereqs_failed=0
1461 for a_binding in $BINDINGS_TO_BUILD ; do
1462 case "$a_binding" in
1464 if test "x$OCAMLC" = x ; then
1465 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1466 binding_prereqs_failed=1
1468 if test "x$OCAMLDEP" = x ; then
1469 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1470 binding_prereqs_failed=1
1472 if test "x$OCAMLOPT" = x ; then
1473 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1474 dnl ocamlopt is optional!
1476 if test "x$with_ocaml_libdir" != xauto ; then
1477 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1479 ocaml_stdlib="`"$OCAMLC" -where`"
1480 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1482 # ocaml stdlib is beneath our prefix; use stdlib
1483 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1485 # ocaml stdlib is outside our prefix; use libdir/ocaml
1486 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml)
1492 if test "$binding_prereqs_failed" = 1 ; then
1493 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1496 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1497 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1499 dnl Determine linker rpath flag
1500 if test "$llvm_cv_link_use_r" = "yes" ; then
1507 dnl Determine linker rdynamic flag
1508 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1509 RDYNAMIC="-rdynamic"
1515 dnl===-----------------------------------------------------------------------===
1517 dnl=== SECTION 10: Specify the output files and generate it
1519 dnl===-----------------------------------------------------------------------===
1521 dnl **************************************************************************
1522 dnl End LLVM configure.ac Import
1523 dnl **************************************************************************
1525 dnl Configure a common Makefile
1526 AC_CONFIG_FILES(Makefile.common)
1527 AC_CONFIG_FILES(Makefile.llvm.config)
1529 dnl Configure project makefiles
1530 dnl List every Makefile that exists within your source tree
1531 AC_CONFIG_MAKEFILE(Makefile)
1532 AC_CONFIG_MAKEFILE(lib/Makefile)
1533 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1534 AC_CONFIG_MAKEFILE(tools/Makefile)
1535 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1537 dnl This must be last