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],$ENABLE_TIMESTAMPS,
590 [Define if timestamp information (e.g., __DATE___) is allowed])
592 dnl Allow specific targets to be specified for building (or not)
594 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
595 [Build specific host targets: all or target1,target2,... Valid targets are:
596 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
597 xcore, msp430, nvptx, systemz, and cpp (default=all)]),,
599 if test "$enableval" = host-only ; then
603 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM AArch64 Mips XCore MSP430 Hexagon CppBackend MBlaze NVPTX" ;;
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 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
611 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
612 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
613 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
614 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
615 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
616 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
617 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
618 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
619 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
620 host) case "$llvm_cv_target_arch" in
621 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
622 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
623 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
624 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
625 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
626 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
627 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
628 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
629 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
630 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
631 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
632 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
633 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
634 *) AC_MSG_ERROR([Can not set target to build]) ;;
636 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
641 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
643 # Determine whether we are building LLVM support for the native architecture.
644 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
645 for a_target in $TARGETS_TO_BUILD; do
646 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
647 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
648 [LLVM architecture name for the native architecture, if available])
649 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
650 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
651 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
652 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
653 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
654 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
656 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
657 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
659 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
660 [LLVM name for the native Target init function, if available])
661 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
662 [LLVM name for the native TargetInfo init function, if available])
663 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
664 [LLVM name for the native target MC init function, if available])
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
666 [LLVM name for the native AsmPrinter init function, if available])
667 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
668 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
669 [LLVM name for the native AsmParser init function, if available])
671 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
672 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
673 [LLVM name for the native Disassembler init function, if available])
678 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
679 # target feature def files.
681 LLVM_ENUM_ASM_PRINTERS=""
682 LLVM_ENUM_ASM_PARSERS=""
683 LLVM_ENUM_DISASSEMBLERS=""
684 for target_to_build in $TARGETS_TO_BUILD; do
685 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
686 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
687 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
689 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
690 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
692 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
693 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
696 AC_SUBST(LLVM_ENUM_TARGETS)
697 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
698 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
699 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
701 dnl Override the option to use for optimized builds.
702 AC_ARG_WITH(optimize-option,
703 AS_HELP_STRING([--with-optimize-option],
704 [Select the compiler options to use for optimized builds]),,
706 AC_MSG_CHECKING([optimization flags])
709 case "$llvm_cv_os_type" in
710 FreeBSD) optimize_option=-O2 ;;
711 MingW) optimize_option=-O2 ;;
712 *) optimize_option=-O3 ;;
714 *) optimize_option="$withval" ;;
716 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
717 AC_MSG_RESULT([$optimize_option])
719 dnl Specify extra build options
720 AC_ARG_WITH(extra-options,
721 AS_HELP_STRING([--with-extra-options],
722 [Specify additional options to compile LLVM with]),,
725 default) EXTRA_OPTIONS= ;;
726 *) EXTRA_OPTIONS=$withval ;;
728 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
730 dnl Specify extra linker build options
731 AC_ARG_WITH(extra-ld-options,
732 AS_HELP_STRING([--with-extra-ld-options],
733 [Specify additional options to link LLVM with]),,
736 default) EXTRA_LD_OPTIONS= ;;
737 *) EXTRA_LD_OPTIONS=$withval ;;
739 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
741 dnl Allow specific bindings to be specified for building (or not)
742 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
743 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
747 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
748 all ) BINDINGS_TO_BUILD="ocaml" ;;
749 none | no) BINDINGS_TO_BUILD="" ;;
750 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
752 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
753 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
759 dnl Allow the ocaml libdir to be overridden. This could go in a configure
760 dnl script for bindings/ocaml/configure, except that its auto value depends on
761 dnl OCAMLC, which is found here to support tests.
762 AC_ARG_WITH([ocaml-libdir],
763 [AS_HELP_STRING([--with-ocaml-libdir],
764 [Specify install location for ocaml bindings (default is stdlib)])],
768 auto) with_ocaml_libdir="$withval" ;;
769 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
770 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
773 AC_ARG_WITH(clang-resource-dir,
774 AS_HELP_STRING([--with-clang-resource-dir],
775 [Relative directory from the Clang binary for resource files]),,
777 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
778 [Relative directory for resource files])
780 AC_ARG_WITH(c-include-dirs,
781 AS_HELP_STRING([--with-c-include-dirs],
782 [Colon separated list of directories clang will search for headers]),,
784 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
785 [Directories clang will search for headers])
787 # Clang normally uses the system c++ headers and libraries. With this option,
788 # clang will use the ones provided by a gcc installation instead. This option should
789 # be passed the same value that was used with --prefix when configuring gcc.
790 AC_ARG_WITH(gcc-toolchain,
791 AS_HELP_STRING([--with-gcc-toolchain],
792 [Directory where gcc is installed.]),,
794 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
795 [Directory where gcc is installed.])
797 dnl Allow linking of LLVM with GPLv3 binutils code.
798 AC_ARG_WITH(binutils-include,
799 AS_HELP_STRING([--with-binutils-include],
800 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
803 default) WITH_BINUTILS_INCDIR=default ;;
804 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
805 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
807 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
808 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
809 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
810 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
811 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
815 dnl Specify the URL where bug reports should be submitted.
816 AC_ARG_WITH(bug-report-url,
817 AS_HELP_STRING([--with-bug-report-url],
818 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
819 withval="http://llvm.org/bugs/")
820 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
823 dnl --enable-libffi : check whether the user wants to turn off libffi:
824 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
825 --enable-libffi,[Check for the presence of libffi (default is NO)]),
826 [case "$enableval" in
827 yes) llvm_cv_enable_libffi="yes" ;;
828 no) llvm_cv_enable_libffi="no" ;;
829 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
831 llvm_cv_enable_libffi=no)
833 dnl===-----------------------------------------------------------------------===
835 dnl=== SECTION 4: Check for programs we need and that they are the right version
837 dnl===-----------------------------------------------------------------------===
842 dnl Check for the tools that the makefiles require
845 AC_PATH_PROG(CMP, [cmp], [cmp])
846 AC_PATH_PROG(CP, [cp], [cp])
847 AC_PATH_PROG(DATE, [date], [date])
848 AC_PATH_PROG(FIND, [find], [find])
849 AC_PATH_PROG(GREP, [grep], [grep])
850 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
851 AC_PATH_PROG(MV, [mv], [mv])
853 AC_CHECK_TOOL(AR, ar, false)
854 AC_PATH_PROG(RM, [rm], [rm])
855 AC_PATH_PROG(SED, [sed], [sed])
856 AC_PATH_PROG(TAR, [tar], [gtar])
857 AC_PATH_PROG(BINPWD,[pwd], [pwd])
859 dnl Looking for misc. graph plotting software
860 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
861 if test "$GRAPHVIZ" != "echo Graphviz" ; then
862 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
863 dnl If we're targeting for mingw we should emit windows paths, not msys
864 if test "$llvm_cv_os_type" = "MingW" ; then
865 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
867 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
868 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
870 AC_PATH_PROG(DOT, [dot], [echo dot])
871 if test "$DOT" != "echo dot" ; then
872 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
873 dnl If we're targeting for mingw we should emit windows paths, not msys
874 if test "$llvm_cv_os_type" = "MingW" ; then
875 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
877 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
878 [Define to path to dot program if found or 'echo dot' otherwise])
880 AC_PATH_PROG(FDP, [fdp], [echo fdp])
881 if test "$FDP" != "echo fdp" ; then
882 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
883 dnl If we're targeting for mingw we should emit windows paths, not msys
884 if test "$llvm_cv_os_type" = "MingW" ; then
885 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
887 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
888 [Define to path to fdp program if found or 'echo fdp' otherwise])
890 AC_PATH_PROG(NEATO, [neato], [echo neato])
891 if test "$NEATO" != "echo neato" ; then
892 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
893 dnl If we're targeting for mingw we should emit windows paths, not msys
894 if test "$llvm_cv_os_type" = "MingW" ; then
895 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
897 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
898 [Define to path to neato program if found or 'echo neato' otherwise])
900 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
901 if test "$TWOPI" != "echo twopi" ; then
902 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
903 dnl If we're targeting for mingw we should emit windows paths, not msys
904 if test "$llvm_cv_os_type" = "MingW" ; then
905 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
907 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
908 [Define to path to twopi program if found or 'echo twopi' otherwise])
910 AC_PATH_PROG(CIRCO, [circo], [echo circo])
911 if test "$CIRCO" != "echo circo" ; then
912 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
913 dnl If we're targeting for mingw we should emit windows paths, not msys
914 if test "$llvm_cv_os_type" = "MingW" ; then
915 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
917 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
918 [Define to path to circo program if found or 'echo circo' otherwise])
920 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
921 if test "$GV" != "echo gv" ; then
922 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
923 dnl If we're targeting for mingw we should emit windows paths, not msys
924 if test "$llvm_cv_os_type" = "MingW" ; then
925 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
927 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
928 [Define to path to gv program if found or 'echo gv' otherwise])
930 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
931 if test "$DOTTY" != "echo dotty" ; then
932 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
933 dnl If we're targeting for mingw we should emit windows paths, not msys
934 if test "$llvm_cv_os_type" = "MingW" ; then
935 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
937 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
938 [Define to path to dotty program if found or 'echo dotty' otherwise])
940 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
941 if test "$XDOT_PY" != "echo xdot.py" ; then
942 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
943 dnl If we're targeting for mingw we should emit windows paths, not msys
944 if test "$llvm_cv_os_type" = "MingW" ; then
945 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
947 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
948 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
951 dnl Find the install program
953 dnl Prepend src dir to install path dir if it's a relative path
954 dnl This is a hack for installs that take place in something other
955 dnl than the top level.
957 [[\\/$]]* | ?:[[\\/]]* ) ;;
958 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
961 dnl Checks for documentation and testing tools that we can do without. If these
962 dnl are not found then they are set to "true" which always succeeds but does
963 dnl nothing. This just lets the build output show that we could have done
964 dnl something if the tool was available.
965 AC_PATH_PROG(BZIP2, [bzip2])
966 AC_PATH_PROG(CAT, [cat])
967 AC_PATH_PROG(DOXYGEN, [doxygen])
968 AC_PATH_PROG(GROFF, [groff])
969 AC_PATH_PROG(GZIPBIN, [gzip])
970 AC_PATH_PROG(POD2HTML, [pod2html])
971 AC_PATH_PROG(POD2MAN, [pod2man])
972 AC_PATH_PROG(PDFROFF, [pdfroff])
973 AC_PATH_PROG(RUNTEST, [runtest])
975 AC_PATH_PROG(ZIP, [zip])
976 AC_PATH_PROGS(OCAMLC, [ocamlc])
977 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
978 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
979 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
980 AC_PATH_PROGS(GAS, [gas as])
982 dnl Get the version of the linker in use.
985 dnl Determine whether the linker supports the -R option.
988 dnl Determine whether the linker supports the -export-dynamic option.
989 AC_LINK_EXPORT_DYNAMIC
991 dnl Determine whether the linker supports the --version-script option.
992 AC_LINK_VERSION_SCRIPT
994 dnl Check for libtool and the library that has dlopen function (which must come
995 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1000 AC_MSG_CHECKING([tool compatibility])
1002 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1003 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1004 dnl to support those options.
1005 dnl "icc" emits gcc signatures
1006 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1018 if test "$GCC" != "yes" && test "$ICC" != "yes"
1020 AC_MSG_ERROR([gcc|icc required but not found])
1023 dnl Ensure that compilation tools are compatible with GCC extensions
1024 if test "$GXX" != "yes" && test "$IXX" != "yes"
1026 AC_MSG_ERROR([g++|clang++|icc required but not found])
1029 dnl Verify that GCC is version 3.0 or higher
1030 if test "$GCC" = "yes"
1032 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1033 #error Unsupported GCC version
1035 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1038 dnl Check for GNU Make. We use its extensions, so don't build without it
1039 if test -z "$llvm_cv_gnu_make_command"
1041 AC_MSG_ERROR([GNU Make required but not found])
1044 dnl Tool compatibility is okay if we make it here.
1047 dnl Check optional compiler flags.
1048 AC_MSG_CHECKING([optional compiler flags])
1049 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1050 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1051 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1052 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1054 dnl===-----------------------------------------------------------------------===
1056 dnl=== SECTION 5: Check for libraries
1058 dnl===-----------------------------------------------------------------------===
1061 if test "$llvm_cv_os_type" = "MingW" ; then
1062 AC_CHECK_LIB(imagehlp, main)
1063 AC_CHECK_LIB(psapi, main)
1066 dnl dlopen() is required for plugin support.
1067 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1068 [Define if dlopen() is available on this platform.]),
1069 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1071 dnl libffi is optional; used to call external functions from the interpreter
1072 if test "$llvm_cv_enable_libffi" = "yes" ; then
1073 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1074 [Define if libffi is available on this platform.]),
1075 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1078 dnl mallinfo is optional; the code can compile (minus features) without it
1079 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1080 [Define if mallinfo() is available on this platform.]))
1082 dnl pthread locking functions are optional - but llvm will not be thread-safe
1084 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1085 AC_CHECK_LIB(pthread, pthread_mutex_init)
1086 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1087 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1088 [Have pthread_mutex_lock]))
1089 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1090 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1091 [Have pthread_rwlock_init]))
1092 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1093 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1094 [Have pthread_getspecific]))
1097 dnl Allow extra x86-disassembler library
1099 AS_HELP_STRING([--with-udis86=<path>],
1100 [Use udis86 external x86 disassembler library]),
1102 AC_SUBST(USE_UDIS86, [1])
1105 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1107 AC_CHECK_LIB(udis86, ud_init, [], [
1108 echo "Error! You need to have libudis86 around."
1112 AC_SUBST(USE_UDIS86, [0]))
1113 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1114 [Define if use udis86 library])
1116 dnl Allow OProfile support for JIT output.
1117 AC_ARG_WITH(oprofile,
1118 AS_HELP_STRING([--with-oprofile=<prefix>],
1119 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1121 AC_SUBST(USE_OPROFILE, [1])
1123 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1125 AC_SUBST(USE_OPROFILE, [0]) ;;
1126 *) llvm_cv_oppath="${withval}/lib/oprofile"
1127 CPPFLAGS="-I${withval}/include";;
1129 if test -n "$llvm_cv_oppath" ; then
1130 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1131 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1132 dnl libbfd is not included properly in libopagent in some Debian
1133 dnl versions. If libbfd isn't found at all, we assume opagent works
1135 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1136 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1137 echo "Error! You need to have libopagent around."
1140 AC_CHECK_HEADER([opagent.h], [], [
1141 echo "Error! You need to have opagent.h around."
1147 AC_SUBST(USE_OPROFILE, [0])
1149 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1150 [Define if we have the oprofile JIT-support library])
1152 dnl===-----------------------------------------------------------------------===
1154 dnl=== SECTION 6: Check for header files
1156 dnl===-----------------------------------------------------------------------===
1158 dnl First, use autoconf provided macros for specific headers that we need
1159 dnl We don't check for ancient stuff or things that are guaranteed to be there
1160 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1161 dnl Generally we're looking for POSIX headers.
1163 AC_HEADER_MMAP_ANONYMOUS
1168 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1169 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1170 AC_CHECK_HEADERS([utime.h windows.h])
1171 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1172 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1173 AC_CHECK_HEADERS([valgrind/valgrind.h])
1174 AC_CHECK_HEADERS([fenv.h])
1175 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1176 AC_CHECK_HEADERS(pthread.h,
1177 AC_SUBST(HAVE_PTHREAD, 1),
1178 AC_SUBST(HAVE_PTHREAD, 0))
1180 AC_SUBST(HAVE_PTHREAD, 0)
1183 dnl Try to find ffi.h.
1184 if test "$llvm_cv_enable_libffi" = "yes" ; then
1185 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1188 dnl Try to find Darwin specific crash reporting libraries.
1189 AC_CHECK_HEADERS([CrashReporterClient.h])
1191 dnl Try to find Darwin specific crash reporting global.
1192 AC_MSG_CHECKING([__crashreporter_info__])
1195 [[extern const char *__crashreporter_info__;
1197 __crashreporter_info__ = "test";
1202 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1204 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1205 Define if __crashreporter_info__ exists.))
1207 dnl===-----------------------------------------------------------------------===
1209 dnl=== SECTION 7: Check for types and structures
1211 dnl===-----------------------------------------------------------------------===
1216 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1218 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1219 AC_CHECK_TYPES([uint64_t],,
1220 AC_CHECK_TYPES([u_int64_t],,
1221 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1223 dnl===-----------------------------------------------------------------------===
1225 dnl=== SECTION 8: Check for specific functions needed
1227 dnl===-----------------------------------------------------------------------===
1229 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1230 AC_CHECK_FUNCS([powf fmodf strtof round ])
1231 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1232 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1233 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1234 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1235 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1236 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1240 dnl Check the declaration "Secure API" on Windows environments.
1241 AC_CHECK_DECLS([strerror_s])
1243 dnl Check symbols in libgcc.a for JIT on Mingw.
1244 if test "$llvm_cv_os_type" = "MingW" ; then
1245 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1246 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1247 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1248 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1250 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1251 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1252 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1253 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1254 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1255 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1256 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1257 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1258 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1259 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1261 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1262 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1265 dnl Check Win32 API EnumerateLoadedModules.
1266 if test "$llvm_cv_os_type" = "MingW" ; then
1267 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1268 AC_COMPILE_IFELSE([[#include <windows.h>
1269 #include <imagehlp.h>
1270 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1271 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1273 AC_MSG_RESULT([yes])
1274 llvm_cv_win32_elmcb_pcstr="PCSTR"
1278 llvm_cv_win32_elmcb_pcstr="PSTR"
1280 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1283 dnl Check for variations in the Standard C++ library and STL. These macros are
1284 dnl provided by LLVM in the autoconf/m4 directory.
1288 dnl Check for mmap support.We also need to know if /dev/zero is required to
1289 dnl be opened for allocating RWX memory.
1290 dnl Make sure we aren't attempting to configure for an unknown system
1291 if test "$llvm_cv_platform_type" = "Unix" ; then
1294 AC_NEED_DEV_ZERO_FOR_MMAP
1296 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1298 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1300 if test "$ac_cv_func_mmap_file" = "no"
1302 AC_MSG_WARN([mmap() of files required but not found])
1306 dnl atomic builtins are required for threading support.
1307 AC_MSG_CHECKING(for GCC atomic builtins)
1308 dnl Since we'll be using these atomic builtins in C++ files we should test
1309 dnl the C++ compiler.
1314 volatile unsigned long val = 1;
1315 __sync_synchronize();
1316 __sync_val_compare_and_swap(&val, 1, 0);
1317 __sync_add_and_fetch(&val, 1);
1318 __sync_sub_and_fetch(&val, 1);
1324 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1326 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1327 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1329 dnl===-----------------------------------------------------------------------===
1331 dnl=== SECTION 9: Additional checks, variables, etc.
1333 dnl===-----------------------------------------------------------------------===
1335 dnl Handle 32-bit linux systems running a 64-bit kernel.
1336 dnl This has to come after section 4 because it invokes the compiler.
1337 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1339 if test "$llvm_cv_linux_mixed" = "yes"; then
1340 llvm_cv_target_arch="x86"
1345 dnl Check whether __dso_handle is present
1346 AC_CHECK_FUNCS([__dso_handle])
1348 dnl Propagate the shared library extension that the libltdl checks did to
1349 dnl the Makefiles so we can use it there too
1350 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1352 dnl Propagate the run-time library path variable that the libltdl
1353 dnl checks found to the Makefiles so we can use it there too
1354 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1356 # Translate the various configuration directories and other basic
1357 # information into substitutions that will end up in Makefile.config.in
1358 # that these configured values can be used by the makefiles
1359 if test "${prefix}" = "NONE" ; then
1362 eval LLVM_PREFIX="${prefix}";
1363 eval LLVM_BINDIR="${prefix}/bin";
1364 eval LLVM_LIBDIR="${prefix}/lib";
1365 eval LLVM_DATADIR="${prefix}/share/llvm";
1366 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1367 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1368 eval LLVM_INCLUDEDIR="${prefix}/include";
1369 eval LLVM_INFODIR="${prefix}/info";
1370 eval LLVM_MANDIR="${prefix}/man";
1371 LLVM_CONFIGTIME=`date`
1372 AC_SUBST(LLVM_PREFIX)
1373 AC_SUBST(LLVM_BINDIR)
1374 AC_SUBST(LLVM_LIBDIR)
1375 AC_SUBST(LLVM_DATADIR)
1376 AC_SUBST(LLVM_DOCSDIR)
1377 AC_SUBST(LLVM_ETCDIR)
1378 AC_SUBST(LLVM_INCLUDEDIR)
1379 AC_SUBST(LLVM_INFODIR)
1380 AC_SUBST(LLVM_MANDIR)
1381 AC_SUBST(LLVM_CONFIGTIME)
1383 # Place the various directores into the config.h file as #defines so that we
1384 # can know about the installation paths within LLVM.
1385 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1386 [Installation prefix directory])
1387 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1388 [Installation directory for binary executables])
1389 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1390 [Installation directory for libraries])
1391 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1392 [Installation directory for data files])
1393 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1394 [Installation directory for documentation])
1395 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1396 [Installation directory for config files])
1397 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1398 [Installation directory for include files])
1399 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1400 [Installation directory for .info files])
1401 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1402 [Installation directory for man pages])
1403 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1404 [Time at which LLVM was configured])
1405 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1406 [Target triple LLVM will generate code for by default])
1408 # Determine which bindings to build.
1409 if test "$BINDINGS_TO_BUILD" = auto ; then
1410 BINDINGS_TO_BUILD=""
1411 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1412 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1415 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1417 # This isn't really configurey, but it avoids having to repeat the list in
1419 AC_SUBST(ALL_BINDINGS,ocaml)
1421 # Do any work necessary to ensure that bindings have what they need.
1422 binding_prereqs_failed=0
1423 for a_binding in $BINDINGS_TO_BUILD ; do
1424 case "$a_binding" in
1426 if test "x$OCAMLC" = x ; then
1427 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1428 binding_prereqs_failed=1
1430 if test "x$OCAMLDEP" = x ; then
1431 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1432 binding_prereqs_failed=1
1434 if test "x$OCAMLOPT" = x ; then
1435 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1436 dnl ocamlopt is optional!
1438 if test "x$with_ocaml_libdir" != xauto ; then
1439 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1441 ocaml_stdlib="`"$OCAMLC" -where`"
1442 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1444 # ocaml stdlib is beneath our prefix; use stdlib
1445 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1447 # ocaml stdlib is outside our prefix; use libdir/ocaml
1448 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1454 if test "$binding_prereqs_failed" = 1 ; then
1455 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1458 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1459 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1461 dnl Determine linker rpath flag
1462 if test "$llvm_cv_link_use_r" = "yes" ; then
1469 dnl Determine linker rdynamic flag
1470 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1471 RDYNAMIC="-Wl,-export-dynamic"
1477 dnl===-----------------------------------------------------------------------===
1479 dnl=== SECTION 10: Specify the output files and generate it
1481 dnl===-----------------------------------------------------------------------===
1483 dnl **************************************************************************
1484 dnl End LLVM configure.ac Import
1485 dnl **************************************************************************
1487 dnl Configure a common Makefile
1488 AC_CONFIG_FILES(Makefile.common)
1489 AC_CONFIG_FILES(Makefile.llvm.config)
1491 dnl Configure project makefiles
1492 dnl List every Makefile that exists within your source tree
1493 AC_CONFIG_MAKEFILE(Makefile)
1494 AC_CONFIG_MAKEFILE(lib/Makefile)
1495 AC_CONFIG_MAKEFILE(lib/sample/Makefile)
1496 AC_CONFIG_MAKEFILE(tools/Makefile)
1497 AC_CONFIG_MAKEFILE(tools/sample/Makefile)
1499 dnl This must be last