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 $llvm_cv_platform_type in
286 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
287 AC_SUBST(LLVM_ON_UNIX,[1])
288 AC_SUBST(LLVM_ON_WIN32,[0])
291 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
292 AC_SUBST(LLVM_ON_UNIX,[0])
293 AC_SUBST(LLVM_ON_WIN32,[1])
297 dnl Determine what our target architecture is and configure accordingly.
298 dnl This will allow Makefiles to make a distinction between the hardware and
300 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
302 i?86-*) llvm_cv_target_arch="x86" ;;
303 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
304 sparc*-*) llvm_cv_target_arch="Sparc" ;;
305 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
306 arm*-*) llvm_cv_target_arch="ARM" ;;
307 aarch64*-*) llvm_cv_target_arch="AArch64" ;;
308 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
309 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
310 xcore-*) llvm_cv_target_arch="XCore" ;;
311 msp430-*) llvm_cv_target_arch="MSP430" ;;
312 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
313 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
314 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
315 s390x-*) llvm_cv_target_arch="SystemZ" ;;
316 *) llvm_cv_target_arch="Unknown" ;;
319 if test "$llvm_cv_target_arch" = "Unknown" ; then
320 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
323 # Determine the LLVM native architecture for the target
324 case "$llvm_cv_target_arch" in
325 x86) LLVM_NATIVE_ARCH="X86" ;;
326 x86_64) LLVM_NATIVE_ARCH="X86" ;;
327 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
330 dnl Define a substitution, ARCH, for the target architecture
331 AC_SUBST(ARCH,$llvm_cv_target_arch)
333 dnl Check for the endianness of the target
334 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
336 dnl Check for build platform executable suffix if we're crosscompiling
337 if test "$cross_compiling" = yes; then
338 AC_SUBST(LLVM_CROSS_COMPILING, [1])
340 ac_build_prefix=${build_alias}-
341 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
342 if test -z "$BUILD_CXX"; then
343 AC_CHECK_PROG(BUILD_CXX, g++, g++)
344 if test -z "$BUILD_CXX"; then
345 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
349 AC_SUBST(LLVM_CROSS_COMPILING, [0])
352 dnl Check to see if there's a .svn or .git directory indicating that this
353 dnl build is being done from a checkout. This sets up several defaults for
354 dnl the command line switches. When we build with a checkout directory,
355 dnl we get a debug with assertions turned on. Without, we assume a source
356 dnl release and we get an optimized build without assertions.
357 dnl See --enable-optimized and --enable-assertions below
358 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
361 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
367 dnl===-----------------------------------------------------------------------===
369 dnl=== SECTION 3: Command line arguments for the configure script.
371 dnl===-----------------------------------------------------------------------===
373 dnl --enable-libcpp : check whether or not to use libc++ on the command line
374 AC_ARG_ENABLE(libcpp,
375 AS_HELP_STRING([--enable-libcpp],
376 [Use libc++ if available (default is NO)]),,
379 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
380 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
381 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
382 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
385 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
387 AS_HELP_STRING([--enable-cxx11],
388 [Use c++11 if available (default is NO)]),,
391 yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
392 no) AC_SUBST(ENABLE_CXX11,[0]) ;;
393 default) AC_SUBST(ENABLE_CXX11,[0]);;
394 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
397 dnl --enable-optimized : check whether they want to do an optimized build:
398 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
399 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
400 if test ${enableval} = "no" ; then
401 AC_SUBST(ENABLE_OPTIMIZED,[[]])
403 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
406 dnl --enable-profiling : check whether they want to do a profile build:
407 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
408 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
409 if test ${enableval} = "no" ; then
410 AC_SUBST(ENABLE_PROFILING,[[]])
412 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
415 dnl --enable-assertions : check whether they want to turn on assertions or not:
416 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
417 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
418 if test ${enableval} = "yes" ; then
419 AC_SUBST(DISABLE_ASSERTIONS,[[]])
421 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
424 dnl --enable-werror : check whether we want Werror on by default
425 AC_ARG_ENABLE(werror,AS_HELP_STRING(
426 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no")
428 yes) AC_SUBST(ENABLE_WERROR,[1]) ;;
429 no) AC_SUBST(ENABLE_WERROR,[0]) ;;
430 default) AC_SUBST(ENABLE_WERROR,[0]);;
431 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;;
434 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
435 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
436 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
437 if test ${enableval} = "yes" ; then
438 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
439 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
441 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
442 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
445 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
446 AC_ARG_ENABLE(debug-runtime,
447 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
448 if test ${enableval} = "no" ; then
449 AC_SUBST(DEBUG_RUNTIME,[[]])
451 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
454 dnl --enable-debug-symbols : should even optimized compiler libraries
455 dnl have debug symbols?
456 AC_ARG_ENABLE(debug-symbols,
457 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)
458 if test ${enableval} = "no" ; then
459 AC_SUBST(DEBUG_SYMBOLS,[[]])
461 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
464 dnl --enable-jit: check whether they want to enable the jit
466 AS_HELP_STRING(--enable-jit,
467 [Enable Just In Time Compiling (default is YES)]),,
469 if test ${enableval} = "no"
473 case "$llvm_cv_target_arch" in
474 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
475 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
476 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
477 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
478 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
479 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
480 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
481 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
482 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
483 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
484 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
485 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
486 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
487 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 dnl Allow enablement of building and installing docs
493 AS_HELP_STRING([--enable-docs],
494 [Build documents (default is YES)]),,
497 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
498 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
499 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
500 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
503 dnl Allow enablement of doxygen generated documentation
504 AC_ARG_ENABLE(doxygen,
505 AS_HELP_STRING([--enable-doxygen],
506 [Build doxygen documentation (default is NO)]),,
509 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
510 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
511 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
512 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
515 dnl Allow disablement of threads
516 AC_ARG_ENABLE(threads,
517 AS_HELP_STRING([--enable-threads],
518 [Use threads if available (default is YES)]),,
521 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
522 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
523 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
524 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
526 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
528 dnl Allow disablement of pthread.h
529 AC_ARG_ENABLE(pthreads,
530 AS_HELP_STRING([--enable-pthreads],
531 [Use pthreads if available (default is YES)]),,
534 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
535 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
536 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
537 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
540 dnl Allow building without position independent code
542 AS_HELP_STRING([--enable-pic],
543 [Build LLVM with Position Independent Code (default is YES)]),,
546 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
547 no) AC_SUBST(ENABLE_PIC,[0]) ;;
548 default) AC_SUBST(ENABLE_PIC,[1]) ;;
549 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
551 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
552 [Define if position independent code is enabled])
554 dnl Allow building a shared library and linking tools against it.
555 AC_ARG_ENABLE(shared,
556 AS_HELP_STRING([--enable-shared],
557 [Build a shared library and link tools against it (default is NO)]),,
560 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
561 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
562 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
563 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
566 dnl Allow libstdc++ is embedded in LLVM.dll.
567 AC_ARG_ENABLE(embed-stdcxx,
568 AS_HELP_STRING([--enable-embed-stdcxx],
569 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
572 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
573 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
574 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
575 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
578 dnl Enable embedding timestamp information into build.
579 AC_ARG_ENABLE(timestamps,
580 AS_HELP_STRING([--enable-timestamps],
581 [Enable embedding timestamp information in build (default is YES)]),,
584 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
585 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
586 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
587 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
589 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
590 [Define if timestamp information (e.g., __DATE___) is allowed])
592 dnl Allow specific targets to be specified for building (or not)
594 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
595 [Build specific host targets: all or target1,target2,... Valid targets are:
596 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
597 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),,
599 if test "$enableval" = host-only ; then
603 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon SystemZ R600" ;;
604 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
606 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
607 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
608 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
609 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
610 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
611 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
612 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
613 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
614 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
615 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
616 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
617 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
618 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
619 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
620 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
621 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
622 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
623 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;;
624 host) case "$llvm_cv_target_arch" in
625 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
626 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
627 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
628 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
629 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
630 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
631 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
632 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
633 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
634 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
635 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
636 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
637 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
638 *) AC_MSG_ERROR([Can not set target to build]) ;;
640 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
645 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
647 # Determine whether we are building LLVM support for the native architecture.
648 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
649 for a_target in $TARGETS_TO_BUILD; do
650 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
651 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
652 [LLVM architecture name for the native architecture, if available])
653 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
654 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
655 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
656 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
657 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
658 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
660 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
661 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
663 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
664 [LLVM name for the native Target init function, if available])
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
666 [LLVM name for the native TargetInfo init function, if available])
667 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
668 [LLVM name for the native target MC init function, if available])
669 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
670 [LLVM name for the native AsmPrinter init function, if available])
671 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
672 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
673 [LLVM name for the native AsmParser init function, if available])
675 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
676 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
677 [LLVM name for the native Disassembler init function, if available])
682 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
683 # target feature def files.
685 LLVM_ENUM_ASM_PRINTERS=""
686 LLVM_ENUM_ASM_PARSERS=""
687 LLVM_ENUM_DISASSEMBLERS=""
688 for target_to_build in $TARGETS_TO_BUILD; do
689 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
690 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
691 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
693 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
694 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
696 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
697 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
700 AC_SUBST(LLVM_ENUM_TARGETS)
701 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
702 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
703 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
705 dnl Override the option to use for optimized builds.
706 AC_ARG_WITH(optimize-option,
707 AS_HELP_STRING([--with-optimize-option],
708 [Select the compiler options to use for optimized builds]),,
710 AC_MSG_CHECKING([optimization flags])
713 case "$llvm_cv_os_type" in
714 FreeBSD) optimize_option=-O2 ;;
715 MingW) optimize_option=-O2 ;;
716 *) optimize_option=-O3 ;;
718 *) optimize_option="$withval" ;;
720 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
721 AC_MSG_RESULT([$optimize_option])
723 dnl Specify extra build options
724 AC_ARG_WITH(extra-options,
725 AS_HELP_STRING([--with-extra-options],
726 [Specify additional options to compile LLVM with]),,
729 default) EXTRA_OPTIONS= ;;
730 *) EXTRA_OPTIONS=$withval ;;
732 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
734 dnl Specify extra linker build options
735 AC_ARG_WITH(extra-ld-options,
736 AS_HELP_STRING([--with-extra-ld-options],
737 [Specify additional options to link LLVM with]),,
740 default) EXTRA_LD_OPTIONS= ;;
741 *) EXTRA_LD_OPTIONS=$withval ;;
743 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
745 dnl Allow specific bindings to be specified for building (or not)
746 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
747 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
751 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
752 all ) BINDINGS_TO_BUILD="ocaml" ;;
753 none | no) BINDINGS_TO_BUILD="" ;;
754 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
756 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
757 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
763 dnl Allow the ocaml libdir to be overridden. This could go in a configure
764 dnl script for bindings/ocaml/configure, except that its auto value depends on
765 dnl OCAMLC, which is found here to support tests.
766 AC_ARG_WITH([ocaml-libdir],
767 [AS_HELP_STRING([--with-ocaml-libdir],
768 [Specify install location for ocaml bindings (default is stdlib)])],
772 auto) with_ocaml_libdir="$withval" ;;
773 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
774 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
777 AC_ARG_WITH(clang-resource-dir,
778 AS_HELP_STRING([--with-clang-resource-dir],
779 [Relative directory from the Clang binary for resource files]),,
781 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
782 [Relative directory for resource files])
784 AC_ARG_WITH(c-include-dirs,
785 AS_HELP_STRING([--with-c-include-dirs],
786 [Colon separated list of directories clang will search for headers]),,
788 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
789 [Directories clang will search for headers])
791 # Clang normally uses the system c++ headers and libraries. With this option,
792 # clang will use the ones provided by a gcc installation instead. This option should
793 # be passed the same value that was used with --prefix when configuring gcc.
794 AC_ARG_WITH(gcc-toolchain,
795 AS_HELP_STRING([--with-gcc-toolchain],
796 [Directory where gcc is installed.]),,
798 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
799 [Directory where gcc is installed.])
801 dnl Allow linking of LLVM with GPLv3 binutils code.
802 AC_ARG_WITH(binutils-include,
803 AS_HELP_STRING([--with-binutils-include],
804 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
807 default) WITH_BINUTILS_INCDIR=default ;;
808 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
809 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
811 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
812 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
813 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
814 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
815 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
819 dnl Specify the URL where bug reports should be submitted.
820 AC_ARG_WITH(bug-report-url,
821 AS_HELP_STRING([--with-bug-report-url],
822 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
823 withval="http://llvm.org/bugs/")
824 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
827 dnl --enable-libffi : check whether the user wants to turn off libffi:
828 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
829 --enable-libffi,[Check for the presence of libffi (default is NO)]),
830 [case "$enableval" in
831 yes) llvm_cv_enable_libffi="yes" ;;
832 no) llvm_cv_enable_libffi="no" ;;
833 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
835 llvm_cv_enable_libffi=no)
837 dnl===-----------------------------------------------------------------------===
839 dnl=== SECTION 4: Check for programs we need and that they are the right version
841 dnl===-----------------------------------------------------------------------===
846 dnl Check for the tools that the makefiles require
849 AC_PATH_PROG(CMP, [cmp], [cmp])
850 AC_PATH_PROG(CP, [cp], [cp])
851 AC_PATH_PROG(DATE, [date], [date])
852 AC_PATH_PROG(FIND, [find], [find])
853 AC_PATH_PROG(GREP, [grep], [grep])
854 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
855 AC_PATH_PROG(MV, [mv], [mv])
857 AC_CHECK_TOOL(AR, ar, false)
858 AC_PATH_PROG(RM, [rm], [rm])
859 AC_PATH_PROG(SED, [sed], [sed])
860 AC_PATH_PROG(TAR, [tar], [gtar])
861 AC_PATH_PROG(BINPWD,[pwd], [pwd])
863 dnl Looking for misc. graph plotting software
864 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
865 if test "$GRAPHVIZ" != "echo Graphviz" ; then
866 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
867 dnl If we're targeting for mingw we should emit windows paths, not msys
868 if test "$llvm_cv_os_type" = "MingW" ; then
869 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
871 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
872 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
874 AC_PATH_PROG(DOT, [dot], [echo dot])
875 if test "$DOT" != "echo dot" ; then
876 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
877 dnl If we're targeting for mingw we should emit windows paths, not msys
878 if test "$llvm_cv_os_type" = "MingW" ; then
879 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
881 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
882 [Define to path to dot program if found or 'echo dot' otherwise])
884 AC_PATH_PROG(FDP, [fdp], [echo fdp])
885 if test "$FDP" != "echo fdp" ; then
886 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
887 dnl If we're targeting for mingw we should emit windows paths, not msys
888 if test "$llvm_cv_os_type" = "MingW" ; then
889 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
891 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
892 [Define to path to fdp program if found or 'echo fdp' otherwise])
894 AC_PATH_PROG(NEATO, [neato], [echo neato])
895 if test "$NEATO" != "echo neato" ; then
896 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
897 dnl If we're targeting for mingw we should emit windows paths, not msys
898 if test "$llvm_cv_os_type" = "MingW" ; then
899 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
901 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
902 [Define to path to neato program if found or 'echo neato' otherwise])
904 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
905 if test "$TWOPI" != "echo twopi" ; then
906 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
907 dnl If we're targeting for mingw we should emit windows paths, not msys
908 if test "$llvm_cv_os_type" = "MingW" ; then
909 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
911 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
912 [Define to path to twopi program if found or 'echo twopi' otherwise])
914 AC_PATH_PROG(CIRCO, [circo], [echo circo])
915 if test "$CIRCO" != "echo circo" ; then
916 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
917 dnl If we're targeting for mingw we should emit windows paths, not msys
918 if test "$llvm_cv_os_type" = "MingW" ; then
919 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
921 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
922 [Define to path to circo program if found or 'echo circo' otherwise])
924 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
925 if test "$GV" != "echo gv" ; then
926 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
927 dnl If we're targeting for mingw we should emit windows paths, not msys
928 if test "$llvm_cv_os_type" = "MingW" ; then
929 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
931 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
932 [Define to path to gv program if found or 'echo gv' otherwise])
934 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
935 if test "$DOTTY" != "echo dotty" ; then
936 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
937 dnl If we're targeting for mingw we should emit windows paths, not msys
938 if test "$llvm_cv_os_type" = "MingW" ; then
939 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
941 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
942 [Define to path to dotty program if found or 'echo dotty' otherwise])
944 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
945 if test "$XDOT_PY" != "echo xdot.py" ; then
946 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
947 dnl If we're targeting for mingw we should emit windows paths, not msys
948 if test "$llvm_cv_os_type" = "MingW" ; then
949 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
951 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
952 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
955 dnl Find the install program
957 dnl Prepend src dir to install path dir if it's a relative path
958 dnl This is a hack for installs that take place in something other
959 dnl than the top level.
961 [[\\/$]]* | ?:[[\\/]]* ) ;;
962 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
965 dnl Checks for documentation and testing tools that we can do without. If these
966 dnl are not found then they are set to "true" which always succeeds but does
967 dnl nothing. This just lets the build output show that we could have done
968 dnl something if the tool was available.
969 AC_PATH_PROG(BZIP2, [bzip2])
970 AC_PATH_PROG(CAT, [cat])
971 AC_PATH_PROG(DOXYGEN, [doxygen])
972 AC_PATH_PROG(GROFF, [groff])
973 AC_PATH_PROG(GZIPBIN, [gzip])
974 AC_PATH_PROG(POD2HTML, [pod2html])
975 AC_PATH_PROG(POD2MAN, [pod2man])
976 AC_PATH_PROG(PDFROFF, [pdfroff])
977 AC_PATH_PROG(RUNTEST, [runtest])
979 AC_PATH_PROG(ZIP, [zip])
980 AC_PATH_PROGS(OCAMLC, [ocamlc])
981 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
982 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
983 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
984 AC_PATH_PROGS(GAS, [gas as])
986 dnl Get the version of the linker in use.
989 dnl Determine whether the linker supports the -R option.
992 dnl Determine whether the linker supports the -export-dynamic option.
993 AC_LINK_EXPORT_DYNAMIC
995 dnl Determine whether the linker supports the --version-script option.
996 AC_LINK_VERSION_SCRIPT
998 dnl Check for libtool and the library that has dlopen function (which must come
999 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1004 AC_MSG_CHECKING([tool compatibility])
1006 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1007 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1008 dnl to support those options.
1009 dnl "icc" emits gcc signatures
1010 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1022 if test "$GCC" != "yes" && test "$ICC" != "yes"
1024 AC_MSG_ERROR([gcc|icc required but not found])
1027 dnl Ensure that compilation tools are compatible with GCC extensions
1028 if test "$GXX" != "yes" && test "$IXX" != "yes"
1030 AC_MSG_ERROR([g++|clang++|icc required but not found])
1033 dnl Verify that GCC is version 3.0 or higher
1034 if test "$GCC" = "yes"
1036 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1037 #error Unsupported GCC version
1039 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1042 dnl Check for GNU Make. We use its extensions, so don't build without it
1043 if test -z "$llvm_cv_gnu_make_command"
1045 AC_MSG_ERROR([GNU Make required but not found])
1048 dnl Tool compatibility is okay if we make it here.
1051 dnl Check optional compiler flags.
1052 AC_MSG_CHECKING([optional compiler flags])
1053 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1054 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1055 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1056 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1058 dnl===-----------------------------------------------------------------------===
1060 dnl=== SECTION 5: Check for libraries
1062 dnl===-----------------------------------------------------------------------===
1065 if test "$llvm_cv_os_type" = "MingW" ; then
1066 AC_CHECK_LIB(imagehlp, main)
1067 AC_CHECK_LIB(psapi, main)
1070 dnl dlopen() is required for plugin support.
1071 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1072 [Define if dlopen() is available on this platform.]),
1073 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1075 dnl libffi is optional; used to call external functions from the interpreter
1076 if test "$llvm_cv_enable_libffi" = "yes" ; then
1077 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1078 [Define if libffi is available on this platform.]),
1079 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1082 dnl mallinfo is optional; the code can compile (minus features) without it
1083 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1084 [Define if mallinfo() is available on this platform.]))
1086 dnl pthread locking functions are optional - but llvm will not be thread-safe
1088 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1089 AC_CHECK_LIB(pthread, pthread_mutex_init)
1090 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1091 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1092 [Have pthread_mutex_lock]))
1093 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1094 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1095 [Have pthread_rwlock_init]))
1096 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1097 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1098 [Have pthread_getspecific]))
1101 dnl Allow extra x86-disassembler library
1103 AS_HELP_STRING([--with-udis86=<path>],
1104 [Use udis86 external x86 disassembler library]),
1106 AC_SUBST(USE_UDIS86, [1])
1109 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1111 AC_CHECK_LIB(udis86, ud_init, [], [
1112 echo "Error! You need to have libudis86 around."
1116 AC_SUBST(USE_UDIS86, [0]))
1117 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1118 [Define if use udis86 library])
1120 dnl Allow OProfile support for JIT output.
1121 AC_ARG_WITH(oprofile,
1122 AS_HELP_STRING([--with-oprofile=<prefix>],
1123 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1125 AC_SUBST(USE_OPROFILE, [1])
1127 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1129 AC_SUBST(USE_OPROFILE, [0]) ;;
1130 *) llvm_cv_oppath="${withval}/lib/oprofile"
1131 CPPFLAGS="-I${withval}/include";;
1133 if test -n "$llvm_cv_oppath" ; then
1134 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1135 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1136 dnl libbfd is not included properly in libopagent in some Debian
1137 dnl versions. If libbfd isn't found at all, we assume opagent works
1139 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1140 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1141 echo "Error! You need to have libopagent around."
1144 AC_CHECK_HEADER([opagent.h], [], [
1145 echo "Error! You need to have opagent.h around."
1151 AC_SUBST(USE_OPROFILE, [0])
1153 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1154 [Define if we have the oprofile JIT-support library])
1156 dnl===-----------------------------------------------------------------------===
1158 dnl=== SECTION 6: Check for header files
1160 dnl===-----------------------------------------------------------------------===
1162 dnl First, use autoconf provided macros for specific headers that we need
1163 dnl We don't check for ancient stuff or things that are guaranteed to be there
1164 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1165 dnl Generally we're looking for POSIX headers.
1167 AC_HEADER_MMAP_ANONYMOUS
1172 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1173 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1174 AC_CHECK_HEADERS([utime.h windows.h])
1175 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1176 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1177 AC_CHECK_HEADERS([valgrind/valgrind.h])
1178 AC_CHECK_HEADERS([fenv.h])
1179 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1180 AC_CHECK_HEADERS(pthread.h,
1181 AC_SUBST(HAVE_PTHREAD, 1),
1182 AC_SUBST(HAVE_PTHREAD, 0))
1184 AC_SUBST(HAVE_PTHREAD, 0)
1187 dnl Try to find ffi.h.
1188 if test "$llvm_cv_enable_libffi" = "yes" ; then
1189 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1192 dnl Try to find Darwin specific crash reporting libraries.
1193 AC_CHECK_HEADERS([CrashReporterClient.h])
1195 dnl Try to find Darwin specific crash reporting global.
1196 AC_MSG_CHECKING([__crashreporter_info__])
1199 [[extern const char *__crashreporter_info__;
1201 __crashreporter_info__ = "test";
1206 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1208 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1209 Define if __crashreporter_info__ exists.))
1211 dnl===-----------------------------------------------------------------------===
1213 dnl=== SECTION 7: Check for types and structures
1215 dnl===-----------------------------------------------------------------------===
1220 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1222 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1223 AC_CHECK_TYPES([uint64_t],,
1224 AC_CHECK_TYPES([u_int64_t],,
1225 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1227 dnl===-----------------------------------------------------------------------===
1229 dnl=== SECTION 8: Check for specific functions needed
1231 dnl===-----------------------------------------------------------------------===
1233 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1234 AC_CHECK_FUNCS([powf fmodf strtof round ])
1235 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1236 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1237 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1238 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1239 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1240 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1244 dnl Check the declaration "Secure API" on Windows environments.
1245 AC_CHECK_DECLS([strerror_s])
1247 dnl Check symbols in libgcc.a for JIT on Mingw.
1248 if test "$llvm_cv_os_type" = "MingW" ; then
1249 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1250 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1251 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1252 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1254 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1255 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1256 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1257 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1258 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1259 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1260 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1261 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1262 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1263 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1265 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1266 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1269 dnl Check Win32 API EnumerateLoadedModules.
1270 if test "$llvm_cv_os_type" = "MingW" ; then
1271 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1272 AC_COMPILE_IFELSE([[#include <windows.h>
1273 #include <imagehlp.h>
1274 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1275 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1277 AC_MSG_RESULT([yes])
1278 llvm_cv_win32_elmcb_pcstr="PCSTR"
1282 llvm_cv_win32_elmcb_pcstr="PSTR"
1284 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1287 dnl Check for variations in the Standard C++ library and STL. These macros are
1288 dnl provided by LLVM in the autoconf/m4 directory.
1292 dnl Check for mmap support.We also need to know if /dev/zero is required to
1293 dnl be opened for allocating RWX memory.
1294 dnl Make sure we aren't attempting to configure for an unknown system
1295 if test "$llvm_cv_platform_type" = "Unix" ; then
1298 AC_NEED_DEV_ZERO_FOR_MMAP
1300 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1302 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1304 if test "$ac_cv_func_mmap_file" = "no"
1306 AC_MSG_WARN([mmap() of files required but not found])
1310 dnl atomic builtins are required for threading support.
1311 AC_MSG_CHECKING(for GCC atomic builtins)
1312 dnl Since we'll be using these atomic builtins in C++ files we should test
1313 dnl the C++ compiler.
1318 volatile unsigned long val = 1;
1319 __sync_synchronize();
1320 __sync_val_compare_and_swap(&val, 1, 0);
1321 __sync_add_and_fetch(&val, 1);
1322 __sync_sub_and_fetch(&val, 1);
1328 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1330 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1331 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1333 dnl===-----------------------------------------------------------------------===
1335 dnl=== SECTION 9: Additional checks, variables, etc.
1337 dnl===-----------------------------------------------------------------------===
1339 dnl Handle 32-bit linux systems running a 64-bit kernel.
1340 dnl This has to come after section 4 because it invokes the compiler.
1341 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1343 if test "$llvm_cv_linux_mixed" = "yes"; then
1344 llvm_cv_target_arch="x86"
1349 dnl Check whether __dso_handle is present
1350 AC_CHECK_FUNCS([__dso_handle])
1352 dnl Propagate the shared library extension that the libltdl checks did to
1353 dnl the Makefiles so we can use it there too
1354 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1356 dnl Propagate the run-time library path variable that the libltdl
1357 dnl checks found to the Makefiles so we can use it there too
1358 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1360 # Translate the various configuration directories and other basic
1361 # information into substitutions that will end up in Makefile.config.in
1362 # that these configured values can be used by the makefiles
1363 if test "${prefix}" = "NONE" ; then
1366 eval LLVM_PREFIX="${prefix}";
1367 eval LLVM_BINDIR="${prefix}/bin";
1368 eval LLVM_LIBDIR="${prefix}/lib";
1369 eval LLVM_DATADIR="${prefix}/share/llvm";
1370 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1371 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1372 eval LLVM_INCLUDEDIR="${prefix}/include";
1373 eval LLVM_INFODIR="${prefix}/info";
1374 eval LLVM_MANDIR="${prefix}/man";
1375 LLVM_CONFIGTIME=`date`
1376 AC_SUBST(LLVM_PREFIX)
1377 AC_SUBST(LLVM_BINDIR)
1378 AC_SUBST(LLVM_LIBDIR)
1379 AC_SUBST(LLVM_DATADIR)
1380 AC_SUBST(LLVM_DOCSDIR)
1381 AC_SUBST(LLVM_ETCDIR)
1382 AC_SUBST(LLVM_INCLUDEDIR)
1383 AC_SUBST(LLVM_INFODIR)
1384 AC_SUBST(LLVM_MANDIR)
1385 AC_SUBST(LLVM_CONFIGTIME)
1387 # Place the various directores into the config.h file as #defines so that we
1388 # can know about the installation paths within LLVM.
1389 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1390 [Installation prefix directory])
1391 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1392 [Installation directory for binary executables])
1393 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1394 [Installation directory for libraries])
1395 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1396 [Installation directory for data files])
1397 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1398 [Installation directory for documentation])
1399 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1400 [Installation directory for config files])
1401 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1402 [Installation directory for include files])
1403 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1404 [Installation directory for .info files])
1405 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1406 [Installation directory for man pages])
1407 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1408 [Time at which LLVM was configured])
1409 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1410 [Target triple LLVM will generate code for by default])
1412 # Determine which bindings to build.
1413 if test "$BINDINGS_TO_BUILD" = auto ; then
1414 BINDINGS_TO_BUILD=""
1415 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1416 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1419 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1421 # This isn't really configurey, but it avoids having to repeat the list in
1423 AC_SUBST(ALL_BINDINGS,ocaml)
1425 # Do any work necessary to ensure that bindings have what they need.
1426 binding_prereqs_failed=0
1427 for a_binding in $BINDINGS_TO_BUILD ; do
1428 case "$a_binding" in
1430 if test "x$OCAMLC" = x ; then
1431 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1432 binding_prereqs_failed=1
1434 if test "x$OCAMLDEP" = x ; then
1435 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1436 binding_prereqs_failed=1
1438 if test "x$OCAMLOPT" = x ; then
1439 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1440 dnl ocamlopt is optional!
1442 if test "x$with_ocaml_libdir" != xauto ; then
1443 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1445 ocaml_stdlib="`"$OCAMLC" -where`"
1446 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1448 # ocaml stdlib is beneath our prefix; use stdlib
1449 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1451 # ocaml stdlib is outside our prefix; use libdir/ocaml
1452 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1458 if test "$binding_prereqs_failed" = 1 ; then
1459 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1462 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1463 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1465 dnl Determine linker rpath flag
1466 if test "$llvm_cv_link_use_r" = "yes" ; then
1473 dnl Determine linker rdynamic flag
1474 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1475 RDYNAMIC="-Wl,-export-dynamic"
1481 dnl===-----------------------------------------------------------------------===
1483 dnl=== SECTION 10: Specify the output files and generate it
1485 dnl===-----------------------------------------------------------------------===
1487 dnl **************************************************************************
1488 dnl End LLVM configure.ac Import
1489 dnl **************************************************************************
1491 dnl Configure a common Makefile
1492 AC_CONFIG_FILES(Makefile.common)
1493 AC_CONFIG_FILES(Makefile.llvm.config)
1495 dnl Configure project makefiles
1496 dnl List every Makefile that exists within your source tree
1497 AC_CONFIG_MAKEFILE(Makefile)
1498 AC_CONFIG_MAKEFILE(lib/Makefile)
1499 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1500 AC_CONFIG_MAKEFILE(tools/Makefile)
1501 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1503 dnl This must be last