1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl email address for reporting bugs.
34 AC_INIT([[llvm]],[[2.7svn]],[llvmbugs@cs.uiuc.edu])
36 dnl Provide a copyright substitution and ensure the copyright notice is included
37 dnl in the output of --version option of the generated configure script.
38 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2009 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2009 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
42 dnl use some autoconf macros only available in 2.59.
45 dnl Verify that the source directory is valid. This makes sure that we are
46 dnl configuring LLVM and not some other package (it validates --srcdir argument)
47 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
49 dnl Place all of the extra autoconf files into the config subdirectory. Tell
50 dnl various tools where the m4 autoconf macros are.
51 AC_CONFIG_AUX_DIR([autoconf])
53 dnl Quit if the source directory has already been configured.
54 dnl NOTE: This relies upon undocumented autoconf behavior.
55 if test ${srcdir} != "." ; then
56 if test -f ${srcdir}/include/llvm/Config/config.h ; then
57 AC_MSG_ERROR([Already configured in ${srcdir}])
61 dnl Configure all of the projects present in our source tree. While we could
62 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
63 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
64 dnl Instead we match on the known projects.
65 for i in `ls ${srcdir}/projects`
67 if test -d ${srcdir}/projects/${i} ; then
70 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
71 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
72 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
73 # llvm-test is the old name of the test-suite, kept here for backwards
75 llvm-test) AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
76 test-suite) AC_CONFIG_SUBDIRS([projects/test-suite]) ;;
77 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
78 llvm-gcc) AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
79 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
80 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
81 llvm-poolalloc) AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
82 poolalloc) AC_CONFIG_SUBDIRS([projects/poolalloc]) ;;
83 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
85 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
91 dnl===-----------------------------------------------------------------------===
93 dnl=== SECTION 2: Architecture, target, and host checks
95 dnl===-----------------------------------------------------------------------===
97 dnl Check the target for which we're compiling and the host that will do the
98 dnl compilations. This will tell us which LLVM compiler will be used for
99 dnl compiling SSA into object code. This needs to be done early because
100 dnl following tests depend on it.
103 dnl Determine the platform type and cache its value. This helps us configure
104 dnl the System library to the correct build platform.
105 AC_CACHE_CHECK([type of operating system we're going to host on],
109 llvm_cv_link_all_option="-Wl,--whole-archive"
110 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
111 llvm_cv_os_type="AIX"
112 llvm_cv_platform_type="Unix" ;;
114 llvm_cv_link_all_option="-Wl,--whole-archive"
115 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
116 llvm_cv_os_type="IRIX"
117 llvm_cv_platform_type="Unix" ;;
119 llvm_cv_link_all_option="-Wl,--whole-archive"
120 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
121 llvm_cv_os_type="Cygwin"
122 llvm_cv_platform_type="Unix" ;;
124 llvm_cv_link_all_option="-Wl,-all_load"
125 llvm_cv_no_link_all_option="-Wl,-noall_load"
126 llvm_cv_os_type="Darwin"
127 llvm_cv_platform_type="Unix" ;;
129 llvm_cv_link_all_option="-Wl,--whole-archive"
130 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
131 llvm_cv_os_type="FreeBSD"
132 llvm_cv_platform_type="Unix" ;;
134 llvm_cv_link_all_option="-Wl,--whole-archive"
135 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
136 llvm_cv_os_type="OpenBSD"
137 llvm_cv_platform_type="Unix" ;;
139 llvm_cv_link_all_option="-Wl,--whole-archive"
140 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
141 llvm_cv_os_type="NetBSD"
142 llvm_cv_platform_type="Unix" ;;
144 llvm_cv_link_all_option="-Wl,--whole-archive"
145 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
146 llvm_cv_os_type="DragonFly"
147 llvm_cv_platform_type="Unix" ;;
149 llvm_cv_link_all_option="-Wl,--whole-archive"
150 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
151 llvm_cv_os_type="HP-UX"
152 llvm_cv_platform_type="Unix" ;;
154 llvm_cv_link_all_option="-Wl,--whole-archive"
155 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
156 llvm_cv_os_type="Interix"
157 llvm_cv_platform_type="Unix" ;;
159 llvm_cv_link_all_option="-Wl,--whole-archive"
160 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
161 llvm_cv_os_type="Linux"
162 llvm_cv_platform_type="Unix" ;;
164 llvm_cv_link_all_option="-Wl,-z,allextract"
165 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
166 llvm_cv_os_type="SunOS"
167 llvm_cv_platform_type="Unix" ;;
169 llvm_cv_link_all_option="-Wl,-z,allextract"
170 llvm_cv_link_all_option="-Wl,-z,defaultextract"
171 llvm_cv_os_type="AuroraUX"
172 llvm_cv_platform_type="Unix" ;;
174 llvm_cv_link_all_option="-Wl,--whole-archive"
175 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
176 llvm_cv_os_type="Win32"
177 llvm_cv_platform_type="Win32" ;;
179 llvm_cv_link_all_option="-Wl,--whole-archive"
180 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
181 llvm_cv_os_type="MingW"
182 llvm_cv_platform_type="Win32" ;;
184 llvm_cv_link_all_option="-Wl,--whole-archive"
185 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
186 llvm_cv_os_type="Haiku"
187 llvm_cv_platform_type="Unix" ;;
189 llvm_cv_link_all_option="-Wl,--whole-archive"
190 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
191 llvm_cv_os_type="Freestanding"
192 llvm_cv_platform_type="Unix" ;;
194 llvm_cv_link_all_option="-Wl,--whole-archive"
195 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
196 llvm_cv_os_type="Freestanding"
197 llvm_cv_platform_type="Unix" ;;
199 llvm_cv_link_all_option=""
200 llvm_cv_no_link_all_option=""
201 llvm_cv_os_type="Unknown"
202 llvm_cv_platform_type="Unknown" ;;
205 AC_CACHE_CHECK([type of operating system we're going to target],
206 [llvm_cv_target_os_type],
209 llvm_cv_target_os_type="AIX" ;;
211 llvm_cv_target_os_type="IRIX" ;;
213 llvm_cv_target_os_type="Cygwin" ;;
215 llvm_cv_target_os_type="Darwin" ;;
217 llvm_cv_target_os_type="FreeBSD" ;;
219 llvm_cv_target_os_type="OpenBSD" ;;
221 llvm_cv_target_os_type="NetBSD" ;;
223 llvm_cv_target_os_type="DragonFly" ;;
225 llvm_cv_target_os_type="HP-UX" ;;
227 llvm_cv_target_os_type="Interix" ;;
229 llvm_cv_target_os_type="Linux" ;;
231 llvm_cv_target_os_type="SunOS" ;;
233 llvm_cv_target_os_type="AuroraUX" ;;
235 llvm_cv_target_os_type="Win32" ;;
237 llvm_cv_target_os_type="MingW" ;;
239 llvm_cv_target_os_type="Haiku" ;;
241 llvm_cv_target_os_type="Freestanding" ;;
243 llvm_cv_target_os_type="Unknown" ;;
246 dnl Make sure we aren't attempting to configure for an unknown system
247 if test "$llvm_cv_os_type" = "Unknown" ; then
248 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
251 dnl Set the "OS" Makefile variable based on the platform type so the
252 dnl makefile can configure itself to specific build hosts
253 AC_SUBST(OS,$llvm_cv_os_type)
254 AC_SUBST(HOST_OS,$llvm_cv_os_type)
255 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
257 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
258 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
259 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
261 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
262 dnl This is used by lib/System to determine the basic kind of implementation
264 case $llvm_cv_platform_type in
266 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
267 AC_SUBST(LLVM_ON_UNIX,[1])
268 AC_SUBST(LLVM_ON_WIN32,[0])
271 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
272 AC_SUBST(LLVM_ON_UNIX,[0])
273 AC_SUBST(LLVM_ON_WIN32,[1])
277 dnl Determine what our target architecture is and configure accordingly.
278 dnl This will allow Makefiles to make a distinction between the hardware and
280 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
282 i?86-*) llvm_cv_target_arch="x86" ;;
283 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
284 sparc*-*) llvm_cv_target_arch="Sparc" ;;
285 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
286 alpha*-*) llvm_cv_target_arch="Alpha" ;;
287 arm*-*) llvm_cv_target_arch="ARM" ;;
288 mips-*) llvm_cv_target_arch="Mips" ;;
289 pic16-*) llvm_cv_target_arch="PIC16" ;;
290 xcore-*) llvm_cv_target_arch="XCore" ;;
291 msp430-*) llvm_cv_target_arch="MSP430" ;;
292 s390x-*) llvm_cv_target_arch="SystemZ" ;;
293 bfin-*) llvm_cv_target_arch="Blackfin" ;;
294 *) llvm_cv_target_arch="Unknown" ;;
297 if test "$llvm_cv_target_arch" = "Unknown" ; then
298 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
301 # Determine the LLVM native architecture for the target
302 case "$llvm_cv_target_arch" in
303 x86) LLVM_NATIVE_ARCH="X86" ;;
304 x86_64) LLVM_NATIVE_ARCH="X86" ;;
305 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
308 dnl Define a substitution, ARCH, for the target architecture
309 AC_SUBST(ARCH,$llvm_cv_target_arch)
311 dnl Check for the endianness of the target
312 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
314 dnl Check for build platform executable suffix if we're crosscompiling
315 if test "$cross_compiling" = yes; then
316 AC_SUBST(LLVM_CROSS_COMPILING, [1])
318 ac_build_prefix=${build_alias}-
319 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
320 if test -z "$BUILD_CXX"; then
321 AC_CHECK_PROG(BUILD_CXX, g++, g++)
322 if test -z "$BUILD_CXX"; then
323 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
327 AC_SUBST(LLVM_CROSS_COMPILING, [0])
330 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
331 dnl that this build is being done from a checkout. This sets up several
332 dnl defaults for the command line switches. When we build with a CVS directory,
333 dnl we get a debug with assertions turned on. Without, we assume a source
334 dnl release and we get an optimized build without assertions.
335 dnl See --enable-optimized and --enable-assertions below
336 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
339 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
345 dnl===-----------------------------------------------------------------------===
347 dnl=== SECTION 3: Command line arguments for the configure script.
349 dnl===-----------------------------------------------------------------------===
351 dnl --enable-optimized : check whether they want to do an optimized build:
352 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
353 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
354 if test ${enableval} = "no" ; then
355 AC_SUBST(ENABLE_OPTIMIZED,[[]])
357 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
360 dnl --enable-profiling : check whether they want to do a profile build:
361 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
362 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
363 if test ${enableval} = "no" ; then
364 AC_SUBST(ENABLE_PROFILING,[[]])
366 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
369 dnl --enable-assertions : check whether they want to turn on assertions or not:
370 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
371 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
372 if test ${enableval} = "yes" ; then
373 AC_SUBST(DISABLE_ASSERTIONS,[[]])
375 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
378 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
379 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
380 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
381 if test ${enableval} = "yes" ; then
382 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
383 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
385 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
386 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
389 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
390 AC_ARG_ENABLE(debug-runtime,
391 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
392 if test ${enableval} = "no" ; then
393 AC_SUBST(DEBUG_RUNTIME,[[]])
395 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
398 dnl --enable-debug-symbols : should even optimized compiler libraries
399 dnl have debug symbols?
400 AC_ARG_ENABLE(debug-symbols,
401 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)
402 if test ${enableval} = "no" ; then
403 AC_SUBST(DEBUG_SYMBOLS,[[]])
405 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
408 dnl --enable-jit: check whether they want to enable the jit
410 AS_HELP_STRING(--enable-jit,
411 [Enable Just In Time Compiling (default is YES)]),,
413 if test ${enableval} = "no"
417 case "$llvm_cv_target_arch" in
418 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
419 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
420 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
421 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
422 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
423 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
424 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
425 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
426 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
427 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
428 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
429 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
430 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
434 dnl Allow enablement of doxygen generated documentation
435 AC_ARG_ENABLE(doxygen,
436 AS_HELP_STRING([--enable-doxygen],
437 [Build doxygen documentation (default is NO)]),,
440 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
441 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
442 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
443 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
446 dnl Allow disablement of threads
447 AC_ARG_ENABLE(threads,
448 AS_HELP_STRING([--enable-threads],
449 [Use threads if available (default is YES)]),,
452 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
453 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
454 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
455 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
457 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
459 dnl Allow building without position independent code
461 AS_HELP_STRING([--enable-pic],
462 [Build LLVM with Position Independent Code (default is YES)]),,
465 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
466 no) AC_SUBST(ENABLE_PIC,[0]) ;;
467 default) AC_SUBST(ENABLE_PIC,[1]) ;;
468 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
470 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
471 [Define if position independent code is enabled])
473 dnl Allow specific targets to be specified for building (or not)
475 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
476 [Build specific host targets: all or target1,target2,... Valid targets are:
477 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
478 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
480 if test "$enableval" = host-only ; then
484 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
485 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
487 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
488 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
489 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
490 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
491 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
492 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
493 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
494 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
495 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
496 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
497 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
498 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
499 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
500 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
501 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
502 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
503 host) case "$llvm_cv_target_arch" in
504 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
505 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
506 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
507 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
508 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
509 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
510 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
511 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
512 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
513 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
514 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
515 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
516 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
517 *) AC_MSG_ERROR([Can not set target to build]) ;;
519 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
524 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
526 # Determine whether we are building LLVM support for the native architecture.
527 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
528 for a_target in $TARGETS_TO_BUILD; do
529 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
530 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
531 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
532 [LLVM architecture name for the native architecture, if available])
536 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
537 # target feature def files.
539 LLVM_ENUM_ASM_PRINTERS=""
540 LLVM_ENUM_ASM_PARSERS=""
541 LLVM_ENUM_DISASSEMBLERS=""
542 for target_to_build in $TARGETS_TO_BUILD; do
543 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
544 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
545 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
547 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
548 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
550 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
551 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
554 AC_SUBST(LLVM_ENUM_TARGETS)
555 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
556 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
557 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
559 dnl Prevent the CBackend from using printf("%a") for floating point so older
560 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
561 dnl can still compile the CBE's output
562 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
563 [Enable C Backend output with hex floating point via %a (default is YES)]),,
566 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
567 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
568 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
569 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
571 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
572 [Define if CBE is enabled for printf %a output])
574 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
575 AC_ARG_WITH(llvmgccdir,
576 AS_HELP_STRING([--with-llvmgccdir],
577 [Specify location of llvm-gcc install dir (default searches PATH)]),,
580 default) WITH_LLVMGCCDIR=default ;;
581 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
582 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
585 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
587 AS_HELP_STRING([--with-llvmgcc],
588 [Specify location of llvm-gcc driver (default searches PATH)]),
589 LLVMGCC=$with_llvmgcc
592 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
594 AS_HELP_STRING([--with-llvmgxx],
595 [Specify location of llvm-g++ driver (default searches PATH)]),
596 LLVMGXX=$with_llvmgxx
599 if test -n "$LLVMGCC"; then
600 LLVMGCCCOMMAND="$LLVMGCC"
603 if test -n "$LLVMGXX"; then
604 LLVMGXXCOMMAND="$LLVMGXX"
607 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
608 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
611 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
612 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
615 dnl Allow a specific Clang compiler to be used with this LLVM config.
617 AS_HELP_STRING([--with-clang],
618 [Specify location of clang compiler (default is --with-built-clang)]),
619 [],[with_clang=default])
621 dnl Enable use of the built Clang.
622 AC_ARG_WITH(built-clang,
623 AS_HELP_STRING([--with-built-clang],
624 [Use the compiled Clang as the LLVM compiler (default=check)]),
625 [],[with_built_clang=check])
627 dnl Select the Clang compiler option.
629 dnl If --with-clang is given, always honor that; otherwise honor
630 dnl --with-built-clang, or check if we have the clang sources.
631 AC_MSG_CHECKING([clang compiler])
634 if test "$with_clang" != "default"; then
635 WITH_CLANGPATH="$with_clang"
636 if ! test -x "$WITH_CLANGPATH"; then
637 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
639 elif test "$with_built_clang" = "yes"; then
641 elif test "$with_built_clang" = "no"; then
644 if test "$with_built_clang" != "check"; then
645 AC_MSG_ERROR([invalid value for --with-built-clang.])
648 if test -f ${srcdir}/tools/clang/README.txt; then
653 if ! test -z "$WITH_CLANGPATH"; then
654 AC_MSG_RESULT([$WITH_CLANGPATH])
655 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
656 elif test "$WITH_BUILT_CLANG" = "1"; then
657 AC_MSG_RESULT([built])
659 AC_MSG_RESULT([none])
661 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
662 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
663 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
665 dnl Override the option to use for optimized builds.
666 AC_ARG_WITH(optimize-option,
667 AS_HELP_STRING([--with-optimize-option],
668 [Select the compiler options to use for optimized builds]),,
670 AC_MSG_CHECKING([optimization flags])
673 case "$llvm_cv_os_type" in
674 MingW) optimize_option=-O3 ;;
675 *) optimize_option=-O2 ;;
677 *) optimize_option="$withval" ;;
679 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
680 AC_MSG_RESULT([$optimize_option])
682 dnl Specify extra build options
683 AC_ARG_WITH(extra-options,
684 AS_HELP_STRING([--with-extra-options],
685 [Specify additional options to compile LLVM with]),,
688 default) EXTRA_OPTIONS= ;;
689 *) EXTRA_OPTIONS=$withval ;;
691 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
693 dnl Allow specific bindings to be specified for building (or not)
694 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
695 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
699 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
700 all ) BINDINGS_TO_BUILD="ocaml" ;;
701 none | no) BINDINGS_TO_BUILD="" ;;
702 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
704 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
705 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
711 dnl Allow the ocaml libdir to be overridden. This could go in a configure
712 dnl script for bindings/ocaml/configure, except that its auto value depends on
713 dnl OCAMLC, which is found here to support tests.
714 AC_ARG_WITH([ocaml-libdir],
715 [AS_HELP_STRING([--with-ocaml-libdir],
716 [Specify install location for ocaml bindings (default is stdlib)])],
720 auto) with_ocaml_libdir="$withval" ;;
721 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
722 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
725 AC_ARG_WITH(c-include-dirs,
726 AS_HELP_STRING([--with-c-include-dirs],
727 [Colon separated list of directories clang will search for headers]),,
729 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
730 [Directories clang will search for headers])
732 AC_ARG_WITH(cxx-include-root,
733 AS_HELP_STRING([--with-cxx-include-root],
734 [Directory with the libstdc++ headers.]),,
736 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
737 [Directory with the libstdc++ headers.])
739 AC_ARG_WITH(cxx-include-arch,
740 AS_HELP_STRING([--with-cxx-include-arch],
741 [Architecture of the libstdc++ headers.]),,
743 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
744 [Arch the libstdc++ headers.])
746 AC_ARG_WITH(cxx-include-32bit-dir,
747 AS_HELP_STRING([--with-cxx-include-32bit-dir],
748 [32 bit multilib dir.]),,
750 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
751 [32 bit multilib directory.])
753 AC_ARG_WITH(cxx-include-64bit-dir,
754 AS_HELP_STRING([--with-cxx-include-64bit-dir],
755 [64 bit multilib directory.]),,
757 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
758 [64 bit multilib directory.])
760 dnl Allow linking of LLVM with GPLv3 binutils code.
761 AC_ARG_WITH(binutils-include,
762 AS_HELP_STRING([--with-binutils-include],
763 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
766 default) WITH_BINUTILS_INCDIR=default ;;
767 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
768 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
770 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
771 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
772 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
773 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
774 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
778 dnl --enable-libffi : check whether the user wants to turn off libffi:
779 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
780 --enable-libffi,[Check for the presence of libffi (default is NO)]),
781 [case "$enableval" in
782 yes) llvm_cv_enable_libffi="yes" ;;
783 no) llvm_cv_enable_libffi="no" ;;
784 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
786 llvm_cv_enable_libffi=no)
788 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
789 if test "$llvm_cv_os_type" = "Win32" ; then
795 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
796 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
797 --enable-llvmc-dynamic,
798 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
799 enableval=$llvmc_dynamic)
800 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
801 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
803 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
806 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
807 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
808 --enable-llvmc-dynamic-plugins,
809 [Enable dynamic LLVMC plugins (default is YES)]),,
811 if test ${enableval} = "yes" ; then
812 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
814 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
817 dnl===-----------------------------------------------------------------------===
819 dnl=== SECTION 4: Check for programs we need and that they are the right version
821 dnl===-----------------------------------------------------------------------===
823 dnl Check for compilation tools
831 dnl Check for the tools that the makefiles require
834 AC_PATH_PROG(CMP, [cmp], [cmp])
835 AC_PATH_PROG(CP, [cp], [cp])
836 AC_PATH_PROG(DATE, [date], [date])
837 AC_PATH_PROG(FIND, [find], [find])
838 AC_PATH_PROG(GREP, [grep], [grep])
839 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
840 AC_PATH_PROG(MV, [mv], [mv])
842 AC_CHECK_TOOL(AR, ar, false)
843 AC_PATH_PROG(RM, [rm], [rm])
844 AC_PATH_PROG(SED, [sed], [sed])
845 AC_PATH_PROG(TAR, [tar], [gtar])
846 AC_PATH_PROG(BINPWD,[pwd], [pwd])
848 dnl Looking for misc. graph plotting software
849 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
850 if test "$GRAPHVIZ" != "echo Graphviz" ; then
851 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
852 dnl If we're targeting for mingw we should emit windows paths, not msys
853 if test "$llvm_cv_os_type" = "MingW" ; then
854 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
856 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
857 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
859 AC_PATH_PROG(DOT, [dot], [echo dot])
860 if test "$DOT" != "echo dot" ; then
861 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
862 dnl If we're targeting for mingw we should emit windows paths, not msys
863 if test "$llvm_cv_os_type" = "MingW" ; then
864 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
866 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
867 [Define to path to dot program if found or 'echo dot' otherwise])
869 AC_PATH_PROG(FDP, [fdp], [echo fdp])
870 if test "$FDP" != "echo fdp" ; then
871 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
872 dnl If we're targeting for mingw we should emit windows paths, not msys
873 if test "$llvm_cv_os_type" = "MingW" ; then
874 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
876 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
877 [Define to path to fdp program if found or 'echo fdp' otherwise])
879 AC_PATH_PROG(NEATO, [neato], [echo neato])
880 if test "$NEATO" != "echo neato" ; then
881 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
882 dnl If we're targeting for mingw we should emit windows paths, not msys
883 if test "$llvm_cv_os_type" = "MingW" ; then
884 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
886 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
887 [Define to path to neato program if found or 'echo neato' otherwise])
889 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
890 if test "$TWOPI" != "echo twopi" ; then
891 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
892 dnl If we're targeting for mingw we should emit windows paths, not msys
893 if test "$llvm_cv_os_type" = "MingW" ; then
894 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
896 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
897 [Define to path to twopi program if found or 'echo twopi' otherwise])
899 AC_PATH_PROG(CIRCO, [circo], [echo circo])
900 if test "$CIRCO" != "echo circo" ; then
901 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
902 dnl If we're targeting for mingw we should emit windows paths, not msys
903 if test "$llvm_cv_os_type" = "MingW" ; then
904 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
906 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
907 [Define to path to circo program if found or 'echo circo' otherwise])
909 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
910 if test "$GV" != "echo gv" ; then
911 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
912 dnl If we're targeting for mingw we should emit windows paths, not msys
913 if test "$llvm_cv_os_type" = "MingW" ; then
914 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
916 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
917 [Define to path to gv program if found or 'echo gv' otherwise])
919 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
920 if test "$DOTTY" != "echo dotty" ; then
921 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
922 dnl If we're targeting for mingw we should emit windows paths, not msys
923 if test "$llvm_cv_os_type" = "MingW" ; then
924 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
926 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
927 [Define to path to dotty program if found or 'echo dotty' otherwise])
930 dnl Look for a sufficiently recent version of Perl.
931 LLVM_PROG_PERL([5.006])
933 if test x"$PERL" = xnone; then
934 AC_SUBST(HAVE_PERL,0)
935 AC_MSG_ERROR([perl is required but was not found, please install it])
937 AC_SUBST(HAVE_PERL,1)
940 dnl Find the install program
943 dnl Checks for documentation and testing tools that we can do without. If these
944 dnl are not found then they are set to "true" which always succeeds but does
945 dnl nothing. This just lets the build output show that we could have done
946 dnl something if the tool was available.
947 AC_PATH_PROG(BZIP2, [bzip2])
948 AC_PATH_PROG(DOXYGEN, [doxygen])
949 AC_PATH_PROG(GROFF, [groff])
950 AC_PATH_PROG(GZIP, [gzip])
951 AC_PATH_PROG(POD2HTML, [pod2html])
952 AC_PATH_PROG(POD2MAN, [pod2man])
953 AC_PATH_PROG(RUNTEST, [runtest])
955 AC_PATH_PROG(ZIP, [zip])
956 AC_PATH_PROGS(OCAMLC, [ocamlc])
957 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
958 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
959 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
960 AC_PATH_PROGS(GAS, [gas as])
962 dnl Determine whether the linker supports the -R option.
965 dnl Determine whether the linker supports the -export-dynamic option.
966 AC_LINK_EXPORT_DYNAMIC
968 dnl Check for libtool and the library that has dlopen function (which must come
969 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
974 if test "$WITH_LLVMGCCDIR" = "default" ; then
975 LLVMGCC="llvm-gcc${EXEEXT}"
976 LLVMGXX="llvm-g++${EXEEXT}"
977 LLVMGCCCOMMAND="$LLVMGCC"
978 LLVMGXXCOMMAND="$LLVMGXX"
979 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
980 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
981 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
982 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
984 if test -z "$LLVMGCC"; then
985 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
986 LLVMGCCCOMMAND="$LLVMGCC"
988 if test -z "$LLVMGXX"; then
989 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
990 LLVMGXXCOMMAND="$LLVMGXX"
993 AC_SUBST(LLVMGCC,$LLVMGCC)
994 AC_SUBST(LLVMGXX,$LLVMGXX)
995 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
996 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
999 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1000 dnl found, otherwise clang if available.
1002 AS_HELP_STRING([--with-llvmcc=<name>],
1003 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1004 [],[with_llvmcc=check])
1005 AC_MSG_CHECKING([LLVM capable compiler])
1006 if test "$with_llvmcc" != "check"; then
1007 if (test "$with_llvmcc" != "llvm-gcc" &&
1008 test "$with_llvmcc" != "clang" &&
1009 test "$with_llvmcc" != "none"); then
1010 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1012 WITH_LLVMCC="$with_llvmcc"
1013 elif test -n "$LLVMGCC"; then
1014 WITH_LLVMCC=llvm-gcc
1015 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1020 AC_MSG_RESULT([$WITH_LLVMCC])
1021 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1023 AC_MSG_CHECKING([tool compatibility])
1025 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1026 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1027 dnl to support those options.
1028 dnl "icc" emits gcc signatures
1029 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1041 if test "$GCC" != "yes" && test "$ICC" != "yes"
1043 AC_MSG_ERROR([gcc|icc required but not found])
1046 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
1047 if test "$GXX" != "yes" && test "$IXX" != "yes"
1049 AC_MSG_ERROR([g++|icc required but not found])
1052 dnl Verify that GCC is version 3.0 or higher
1053 if test "$GCC" = "yes"
1055 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1056 #error Unsupported GCC version
1058 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1061 dnl Check for GNU Make. We use its extensions, so don't build without it
1062 if test -z "$llvm_cv_gnu_make_command"
1064 AC_MSG_ERROR([GNU Make required but not found])
1067 dnl Tool compatibility is okay if we make it here.
1070 dnl Check optional compiler flags.
1071 AC_MSG_CHECKING([optional compiler flags])
1072 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1073 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1074 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1076 dnl===-----------------------------------------------------------------------===
1078 dnl=== SECTION 5: Check for libraries
1080 dnl===-----------------------------------------------------------------------===
1083 if test "$llvm_cv_os_type" = "MingW" ; then
1084 AC_CHECK_LIB(imagehlp, main)
1085 AC_CHECK_LIB(psapi, main)
1088 dnl dlopen() is required for plugin support.
1089 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1090 [Define if dlopen() is available on this platform.]),
1091 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1093 dnl libffi is optional; used to call external functions from the interpreter
1094 if test "$llvm_cv_enable_libffi" = "yes" ; then
1095 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1096 [Define if libffi is available on this platform.]),
1097 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1100 dnl mallinfo is optional; the code can compile (minus features) without it
1101 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1102 [Define if mallinfo() is available on this platform.]))
1104 dnl pthread locking functions are optional - but llvm will not be thread-safe
1106 if test "$ENABLE_THREADS" -eq 1 ; then
1107 AC_CHECK_LIB(pthread, pthread_mutex_init)
1108 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1109 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1110 [Have pthread_mutex_lock]))
1111 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1112 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1113 [Have pthread_rwlock_init]))
1114 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1115 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1116 [Have pthread_getspecific]))
1119 dnl Allow extra x86-disassembler library
1121 AS_HELP_STRING([--with-udis86=<path>],
1122 [Use udis86 external x86 disassembler library]),
1124 AC_SUBST(USE_UDIS86, [1])
1127 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1129 AC_CHECK_LIB(udis86, ud_init, [], [
1130 echo "Error! You need to have libudis86 around."
1134 AC_SUBST(USE_UDIS86, [0]))
1135 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1136 [Define if use udis86 library])
1138 dnl Allow OProfile support for JIT output.
1139 AC_ARG_WITH(oprofile,
1140 AS_HELP_STRING([--with-oprofile=<prefix>],
1141 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1143 AC_SUBST(USE_OPROFILE, [1])
1145 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1147 AC_SUBST(USE_OPROFILE, [0]) ;;
1148 *) llvm_cv_oppath="${withval}/lib/oprofile"
1149 CPPFLAGS="-I${withval}/include";;
1151 if test -n "$llvm_cv_oppath" ; then
1152 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1153 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1154 dnl libbfd is not included properly in libopagent in some Debian
1155 dnl versions. If libbfd isn't found at all, we assume opagent works
1157 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1158 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1159 echo "Error! You need to have libopagent around."
1162 AC_CHECK_HEADER([opagent.h], [], [
1163 echo "Error! You need to have opagent.h around."
1169 AC_SUBST(USE_OPROFILE, [0])
1171 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1172 [Define if we have the oprofile JIT-support library])
1174 dnl===-----------------------------------------------------------------------===
1176 dnl=== SECTION 6: Check for header files
1178 dnl===-----------------------------------------------------------------------===
1180 dnl First, use autoconf provided macros for specific headers that we need
1181 dnl We don't check for ancient stuff or things that are guaranteed to be there
1182 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1183 dnl Generally we're looking for POSIX headers.
1185 AC_HEADER_MMAP_ANONYMOUS
1191 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1192 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1193 AC_CHECK_HEADERS([utime.h windows.h])
1194 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1195 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1196 if test "$ENABLE_THREADS" -eq 1 ; then
1197 AC_CHECK_HEADERS(pthread.h,
1198 AC_SUBST(HAVE_PTHREAD, 1),
1199 AC_SUBST(HAVE_PTHREAD, 0))
1201 AC_SUBST(HAVE_PTHREAD, 0)
1204 dnl Try to find ffi.h.
1205 if test "$llvm_cv_enable_libffi" = "yes" ; then
1206 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1209 dnl===-----------------------------------------------------------------------===
1211 dnl=== SECTION 7: Check for types and structures
1213 dnl===-----------------------------------------------------------------------===
1218 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1220 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1221 AC_CHECK_TYPES([uint64_t],,
1222 AC_CHECK_TYPES([u_int64_t],,
1223 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1225 dnl===-----------------------------------------------------------------------===
1227 dnl=== SECTION 8: Check for specific functions needed
1229 dnl===-----------------------------------------------------------------------===
1231 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1232 AC_CHECK_FUNCS([powf fmodf strtof round ])
1233 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1234 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1235 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1236 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1237 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1238 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1242 dnl Check for variations in the Standard C++ library and STL. These macros are
1243 dnl provided by LLVM in the autoconf/m4 directory.
1247 dnl Check for mmap support.We also need to know if /dev/zero is required to
1248 dnl be opened for allocating RWX memory.
1249 dnl Make sure we aren't attempting to configure for an unknown system
1250 if test "$llvm_cv_platform_type" = "Unix" ; then
1253 AC_NEED_DEV_ZERO_FOR_MMAP
1255 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1257 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1259 if test "$ac_cv_func_mmap_file" = "no"
1261 AC_MSG_WARN([mmap() of files required but not found])
1265 dnl atomic builtins are required for threading support.
1266 AC_MSG_CHECKING(for GCC atomic builtins)
1270 volatile unsigned long val = 1;
1271 __sync_synchronize();
1272 __sync_val_compare_and_swap(&val, 1, 0);
1273 __sync_add_and_fetch(&val, 1);
1274 __sync_sub_and_fetch(&val, 1);
1279 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1281 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1282 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1285 dnl===-----------------------------------------------------------------------===
1287 dnl=== SECTION 9: Additional checks, variables, etc.
1289 dnl===-----------------------------------------------------------------------===
1291 dnl Handle 32-bit linux systems running a 64-bit kernel.
1292 dnl This has to come after section 4 because it invokes the compiler.
1293 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1295 if test "$llvm_cv_linux_mixed" = "yes"; then
1296 llvm_cv_target_arch="x86"
1301 dnl Check, whether __dso_handle is present
1302 AC_CHECK_FUNCS([__dso_handle])
1304 dnl See if the llvm-gcc executable can compile to LLVM assembly
1305 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1306 [llvm_cv_llvmgcc_sanity="no"
1307 if test -x "$LLVMGCC" ; then
1308 cp /dev/null conftest.c
1309 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1310 grep 'target datalayout =' > /dev/null 2>&1
1311 if test $? -eq 0 ; then
1312 llvm_cv_llvmgcc_sanity="yes"
1317 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1318 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1319 AC_MSG_CHECKING([llvm-gcc component support])
1320 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1321 AC_SUBST(LLVMCC1,$llvmcc1path)
1322 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1323 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1324 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1325 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1326 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1327 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1331 dnl Propagate the shared library extension that the libltdl checks did to
1332 dnl the Makefiles so we can use it there too
1333 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1335 # Translate the various configuration directories and other basic
1336 # information into substitutions that will end up in Makefile.config.in
1337 # that these configured values can be used by the makefiles
1338 if test "${prefix}" = "NONE" ; then
1341 eval LLVM_PREFIX="${prefix}";
1342 eval LLVM_BINDIR="${prefix}/bin";
1343 eval LLVM_LIBDIR="${prefix}/lib";
1344 eval LLVM_DATADIR="${prefix}/share/llvm";
1345 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1346 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1347 eval LLVM_INCLUDEDIR="${prefix}/include";
1348 eval LLVM_INFODIR="${prefix}/info";
1349 eval LLVM_MANDIR="${prefix}/man";
1350 LLVM_CONFIGTIME=`date`
1351 AC_SUBST(LLVM_PREFIX)
1352 AC_SUBST(LLVM_BINDIR)
1353 AC_SUBST(LLVM_LIBDIR)
1354 AC_SUBST(LLVM_DATADIR)
1355 AC_SUBST(LLVM_DOCSDIR)
1356 AC_SUBST(LLVM_ETCDIR)
1357 AC_SUBST(LLVM_INCLUDEDIR)
1358 AC_SUBST(LLVM_INFODIR)
1359 AC_SUBST(LLVM_MANDIR)
1360 AC_SUBST(LLVM_CONFIGTIME)
1362 # Place the various directores into the config.h file as #defines so that we
1363 # can know about the installation paths within LLVM.
1364 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1365 [Installation prefix directory])
1366 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1367 [Installation directory for binary executables])
1368 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1369 [Installation directory for libraries])
1370 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1371 [Installation directory for data files])
1372 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1373 [Installation directory for documentation])
1374 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1375 [Installation directory for config files])
1376 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1377 [Installation directory for include files])
1378 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1379 [Installation directory for .info files])
1380 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1381 [Installation directory for man pages])
1382 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1383 [Time at which LLVM was configured])
1384 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1385 [Host triple we were built on])
1387 # Determine which bindings to build.
1388 if test "$BINDINGS_TO_BUILD" = auto ; then
1389 BINDINGS_TO_BUILD=""
1390 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1391 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1394 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1396 # This isn't really configurey, but it avoids having to repeat the list in
1398 AC_SUBST(ALL_BINDINGS,ocaml)
1400 # Do any work necessary to ensure that bindings have what they need.
1401 binding_prereqs_failed=0
1402 for a_binding in $BINDINGS_TO_BUILD ; do
1403 case "$a_binding" in
1405 if test "x$OCAMLC" = x ; then
1406 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1407 binding_prereqs_failed=1
1409 if test "x$OCAMLDEP" = x ; then
1410 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1411 binding_prereqs_failed=1
1413 if test "x$OCAMLOPT" = x ; then
1414 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1415 dnl ocamlopt is optional!
1417 if test "x$with_ocaml_libdir" != xauto ; then
1418 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1420 ocaml_stdlib="`"$OCAMLC" -where`"
1421 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1423 # ocaml stdlib is beneath our prefix; use stdlib
1424 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1426 # ocaml stdlib is outside our prefix; use libdir/ocaml
1427 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1433 if test "$binding_prereqs_failed" = 1 ; then
1434 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1437 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1438 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1440 dnl Determine linker rpath flag
1441 if test "$llvm_cv_link_use_r" = "yes" ; then
1448 dnl Determine linker rdynamic flag
1449 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1450 RDYNAMIC="-Wl,-export-dynamic"
1456 dnl===-----------------------------------------------------------------------===
1458 dnl=== SECTION 10: Specify the output files and generate it
1460 dnl===-----------------------------------------------------------------------===
1462 dnl Configure header files
1463 dnl WARNING: dnl If you add or remove any of the following config headers, then
1464 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1465 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1466 dnl files can be updated automatically when their *.in sources change.
1467 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1468 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1469 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1470 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1471 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1472 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1474 dnl Configure the makefile's configuration data
1475 AC_CONFIG_FILES([Makefile.config])
1477 dnl Configure the RPM spec file for LLVM
1478 AC_CONFIG_FILES([llvm.spec])
1480 dnl Configure doxygen's configuration file
1481 AC_CONFIG_FILES([docs/doxygen.cfg])
1483 dnl Configure llvmc's Base plugin
1484 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1486 dnl Do the first stage of configuration for llvm-config.in.
1487 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1489 dnl Do special configuration of Makefiles
1490 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1491 AC_CONFIG_MAKEFILE(Makefile)
1492 AC_CONFIG_MAKEFILE(Makefile.common)
1493 AC_CONFIG_MAKEFILE(examples/Makefile)
1494 AC_CONFIG_MAKEFILE(lib/Makefile)
1495 AC_CONFIG_MAKEFILE(runtime/Makefile)
1496 AC_CONFIG_MAKEFILE(test/Makefile)
1497 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1498 AC_CONFIG_MAKEFILE(unittests/Makefile)
1499 AC_CONFIG_MAKEFILE(tools/Makefile)
1500 AC_CONFIG_MAKEFILE(utils/Makefile)
1501 AC_CONFIG_MAKEFILE(projects/Makefile)
1502 AC_CONFIG_MAKEFILE(bindings/Makefile)
1503 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1505 dnl Finally, crank out the output