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 SystemZ) 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 "$LLVMGCC"; then
612 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
615 dnl Override the option to use for optimized builds.
616 AC_ARG_WITH(optimize-option,
617 AS_HELP_STRING([--with-optimize-option],
618 [Select the compiler options to use for optimized builds]),,
620 AC_MSG_CHECKING([optimization flags])
623 case "$llvm_cv_os_type" in
624 MingW) optimize_option=-O3 ;;
625 *) optimize_option=-O2 ;;
627 *) optimize_option="$withval" ;;
629 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
630 AC_MSG_RESULT([$optimize_option])
632 dnl Specify extra build options
633 AC_ARG_WITH(extra-options,
634 AS_HELP_STRING([--with-extra-options],
635 [Specify additional options to compile LLVM with]),,
638 default) EXTRA_OPTIONS= ;;
639 *) EXTRA_OPTIONS=$withval ;;
641 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
643 dnl Allow specific bindings to be specified for building (or not)
644 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
645 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
649 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
650 all ) BINDINGS_TO_BUILD="ocaml" ;;
651 none | no) BINDINGS_TO_BUILD="" ;;
652 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
654 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
655 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
661 dnl Allow the ocaml libdir to be overridden. This could go in a configure
662 dnl script for bindings/ocaml/configure, except that its auto value depends on
663 dnl OCAMLC, which is found here to support tests.
664 AC_ARG_WITH([ocaml-libdir],
665 [AS_HELP_STRING([--with-ocaml-libdir],
666 [Specify install location for ocaml bindings (default is stdlib)])],
670 auto) with_ocaml_libdir="$withval" ;;
671 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
672 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
675 AC_ARG_WITH(c-include-dirs,
676 AS_HELP_STRING([--with-c-include-dirs],
677 [Colon separated list of directories clang will search for headers]),,
679 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
680 [Directories clang will search for headers])
682 AC_ARG_WITH(cxx-include-root,
683 AS_HELP_STRING([--with-cxx-include-root],
684 [Directory with the libstdc++ headers.]),,
686 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
687 [Directory with the libstdc++ headers.])
689 AC_ARG_WITH(cxx-include-arch,
690 AS_HELP_STRING([--with-cxx-include-arch],
691 [Architecture of the libstdc++ headers.]),,
693 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
694 [Arch the libstdc++ headers.])
696 AC_ARG_WITH(cxx-include-32bit-dir,
697 AS_HELP_STRING([--with-cxx-include-32bit-dir],
698 [32 bit multilib dir.]),,
700 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
701 [32 bit multilib directory.])
703 AC_ARG_WITH(cxx-include-64bit-dir,
704 AS_HELP_STRING([--with-cxx-include-64bit-dir],
705 [64 bit multilib directory.]),,
707 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
708 [64 bit multilib directory.])
710 dnl Allow linking of LLVM with GPLv3 binutils code.
711 AC_ARG_WITH(binutils-include,
712 AS_HELP_STRING([--with-binutils-include],
713 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
716 default) WITH_BINUTILS_INCDIR=default ;;
717 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
718 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
720 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
721 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
722 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
723 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
724 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
728 dnl --enable-libffi : check whether the user wants to turn off libffi:
729 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
730 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
733 yes) llvm_cv_enable_libffi="yes" ;;
734 no) llvm_cv_enable_libffi="no" ;;
735 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
738 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
739 if test "$llvm_cv_os_type" = "Win32" ; then
745 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
746 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
747 --enable-llvmc-dynamic,
748 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
749 enableval=$llvmc_dynamic)
750 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
751 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
753 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
756 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
757 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
758 --enable-llvmc-dynamic-plugins,
759 [Enable dynamic LLVMC plugins (default is YES)]),,
761 if test ${enableval} = "yes" ; then
762 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
764 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
767 dnl===-----------------------------------------------------------------------===
769 dnl=== SECTION 4: Check for programs we need and that they are the right version
771 dnl===-----------------------------------------------------------------------===
773 dnl Check for compilation tools
781 dnl Check for the tools that the makefiles require
784 AC_PATH_PROG(CMP, [cmp], [cmp])
785 AC_PATH_PROG(CP, [cp], [cp])
786 AC_PATH_PROG(DATE, [date], [date])
787 AC_PATH_PROG(FIND, [find], [find])
788 AC_PATH_PROG(GREP, [grep], [grep])
789 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
790 AC_PATH_PROG(MV, [mv], [mv])
792 AC_PATH_PROG(RM, [rm], [rm])
793 AC_PATH_PROG(SED, [sed], [sed])
794 AC_PATH_PROG(TAR, [tar], [gtar])
795 AC_PATH_PROG(BINPWD,[pwd], [pwd])
797 dnl Looking for misc. graph plotting software
798 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
799 if test "$GRAPHVIZ" != "echo Graphviz" ; then
800 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
801 dnl If we're targeting for mingw we should emit windows paths, not msys
802 if test "$llvm_cv_os_type" = "MingW" ; then
803 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
805 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
806 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
808 AC_PATH_PROG(DOT, [dot], [echo dot])
809 if test "$DOT" != "echo dot" ; then
810 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
811 dnl If we're targeting for mingw we should emit windows paths, not msys
812 if test "$llvm_cv_os_type" = "MingW" ; then
813 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
815 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
816 [Define to path to dot program if found or 'echo dot' otherwise])
818 AC_PATH_PROG(FDP, [fdp], [echo fdp])
819 if test "$FDP" != "echo fdp" ; then
820 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
821 dnl If we're targeting for mingw we should emit windows paths, not msys
822 if test "$llvm_cv_os_type" = "MingW" ; then
823 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
825 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
826 [Define to path to fdp program if found or 'echo fdp' otherwise])
828 AC_PATH_PROG(NEATO, [neato], [echo neato])
829 if test "$NEATO" != "echo neato" ; then
830 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
831 dnl If we're targeting for mingw we should emit windows paths, not msys
832 if test "$llvm_cv_os_type" = "MingW" ; then
833 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
835 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
836 [Define to path to neato program if found or 'echo neato' otherwise])
838 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
839 if test "$TWOPI" != "echo twopi" ; then
840 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
841 dnl If we're targeting for mingw we should emit windows paths, not msys
842 if test "$llvm_cv_os_type" = "MingW" ; then
843 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
845 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
846 [Define to path to twopi program if found or 'echo twopi' otherwise])
848 AC_PATH_PROG(CIRCO, [circo], [echo circo])
849 if test "$CIRCO" != "echo circo" ; then
850 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
851 dnl If we're targeting for mingw we should emit windows paths, not msys
852 if test "$llvm_cv_os_type" = "MingW" ; then
853 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
855 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
856 [Define to path to circo program if found or 'echo circo' otherwise])
858 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
859 if test "$GV" != "echo gv" ; then
860 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
861 dnl If we're targeting for mingw we should emit windows paths, not msys
862 if test "$llvm_cv_os_type" = "MingW" ; then
863 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
865 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
866 [Define to path to gv program if found or 'echo gv' otherwise])
868 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
869 if test "$DOTTY" != "echo dotty" ; then
870 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
871 dnl If we're targeting for mingw we should emit windows paths, not msys
872 if test "$llvm_cv_os_type" = "MingW" ; then
873 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
875 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
876 [Define to path to dotty program if found or 'echo dotty' otherwise])
879 dnl Look for a sufficiently recent version of Perl.
880 LLVM_PROG_PERL([5.006])
882 if test x"$PERL" = xnone; then
883 AC_SUBST(HAVE_PERL,0)
884 AC_MSG_ERROR([perl is required but was not found, please install it])
886 AC_SUBST(HAVE_PERL,1)
889 dnl Find the install program
892 dnl Checks for documentation and testing tools that we can do without. If these
893 dnl are not found then they are set to "true" which always succeeds but does
894 dnl nothing. This just lets the build output show that we could have done
895 dnl something if the tool was available.
896 AC_PATH_PROG(BZIP2, [bzip2])
897 AC_PATH_PROG(DOXYGEN, [doxygen])
898 AC_PATH_PROG(GROFF, [groff])
899 AC_PATH_PROG(GZIP, [gzip])
900 AC_PATH_PROG(POD2HTML, [pod2html])
901 AC_PATH_PROG(POD2MAN, [pod2man])
902 AC_PATH_PROG(RUNTEST, [runtest])
904 AC_PATH_PROG(ZIP, [zip])
905 AC_PATH_PROGS(OCAMLC, [ocamlc])
906 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
907 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
908 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
909 AC_PATH_PROGS(GAS, [gas as])
911 dnl Determine whether the linker supports the -R option.
914 dnl Determine whether the linker supports the -export-dynamic option.
915 AC_LINK_EXPORT_DYNAMIC
917 dnl Check for libtool and the library that has dlopen function (which must come
918 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
924 if test "$lt_cv_dlopen_self" = "yes" ; then
925 AC_DEFINE([CAN_DLOPEN_SELF],[1],
926 [Define if dlopen(0) will open the symbols of the program])
930 if test "$WITH_LLVMGCCDIR" = "default" ; then
931 LLVMGCC="llvm-gcc${EXEEXT}"
932 LLVMGXX="llvm-g++${EXEEXT}"
933 LLVMGCCCOMMAND="$LLVMGCC"
934 LLVMGXXCOMMAND="$LLVMGXX"
935 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
936 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
937 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
938 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
940 if test -z "$LLVMGCC"; then
941 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
942 LLVMGCCCOMMAND="$LLVMGCC"
944 if test -z "$LLVMGXX"; then
945 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
946 LLVMGXXCOMMAND="$LLVMGXX"
949 AC_SUBST(LLVMGCC,$LLVMGCC)
950 AC_SUBST(LLVMGXX,$LLVMGXX)
951 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
952 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
956 AC_MSG_CHECKING([tool compatibility])
958 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
959 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
960 dnl to support those options.
961 dnl "icc" emits gcc signatures
962 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
974 if test "$GCC" != "yes" && test "$ICC" != "yes"
976 AC_MSG_ERROR([gcc|icc required but not found])
979 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
980 if test "$GXX" != "yes" && test "$IXX" != "yes"
982 AC_MSG_ERROR([g++|icc required but not found])
985 dnl Verify that GCC is version 3.0 or higher
986 if test "$GCC" = "yes"
988 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
989 #error Unsupported GCC version
991 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
994 dnl Check for GNU Make. We use its extensions, so don't build without it
995 if test -z "$llvm_cv_gnu_make_command"
997 AC_MSG_ERROR([GNU Make required but not found])
1000 dnl Tool compatibility is okay if we make it here.
1003 dnl Check optional compiler flags.
1004 AC_MSG_CHECKING([optional compiler flags])
1005 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1006 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1007 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1009 dnl===-----------------------------------------------------------------------===
1011 dnl=== SECTION 5: Check for libraries
1013 dnl===-----------------------------------------------------------------------===
1016 if test "$llvm_cv_os_type" = "MingW" ; then
1017 AC_CHECK_LIB(imagehlp, main)
1018 AC_CHECK_LIB(psapi, main)
1021 dnl dlopen() is required for plugin support.
1022 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1023 [Define if dlopen() is available on this platform.]),
1024 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1026 dnl libffi is optional; used to call external functions from the interpreter
1027 if test "$llvm_cv_enable_libffi" = "yes" ; then
1028 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1029 [Define if libffi is available on this platform.]),
1030 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
1033 dnl mallinfo is optional; the code can compile (minus features) without it
1034 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1035 [Define if mallinfo() is available on this platform.]))
1037 dnl pthread locking functions are optional - but llvm will not be thread-safe
1039 if test "$ENABLE_THREADS" -eq 1 ; then
1040 AC_CHECK_LIB(pthread, pthread_mutex_init)
1041 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1042 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1043 [Have pthread_mutex_lock]))
1044 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1045 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1046 [Have pthread_rwlock_init]))
1047 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1048 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1049 [Have pthread_getspecific]))
1052 dnl Allow extra x86-disassembler library
1054 AS_HELP_STRING([--with-udis86=<path>],
1055 [Use udis86 external x86 disassembler library]),
1057 AC_SUBST(USE_UDIS86, [1])
1060 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1062 AC_CHECK_LIB(udis86, ud_init, [], [
1063 echo "Error! You need to have libudis86 around."
1067 AC_SUBST(USE_UDIS86, [0]))
1068 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1069 [Define if use udis86 library])
1071 dnl Allow OProfile support for JIT output.
1072 AC_ARG_WITH(oprofile,
1073 AS_HELP_STRING([--with-oprofile=<prefix>],
1074 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1076 AC_SUBST(USE_OPROFILE, [1])
1078 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1080 AC_SUBST(USE_OPROFILE, [0]) ;;
1081 *) llvm_cv_oppath="${withval}/lib/oprofile"
1082 CPPFLAGS="-I${withval}/include";;
1084 if test -n "$llvm_cv_oppath" ; then
1085 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1086 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1087 dnl libbfd is not included properly in libopagent in some Debian
1088 dnl versions. If libbfd isn't found at all, we assume opagent works
1090 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1091 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1092 echo "Error! You need to have libopagent around."
1095 AC_CHECK_HEADER([opagent.h], [], [
1096 echo "Error! You need to have opagent.h around."
1102 AC_SUBST(USE_OPROFILE, [0])
1104 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1105 [Define if we have the oprofile JIT-support library])
1107 dnl===-----------------------------------------------------------------------===
1109 dnl=== SECTION 6: Check for header files
1111 dnl===-----------------------------------------------------------------------===
1113 dnl First, use autoconf provided macros for specific headers that we need
1114 dnl We don't check for ancient stuff or things that are guaranteed to be there
1115 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1116 dnl Generally we're looking for POSIX headers.
1118 AC_HEADER_MMAP_ANONYMOUS
1124 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1125 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1126 AC_CHECK_HEADERS([utime.h windows.h])
1127 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1128 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1129 if test "$ENABLE_THREADS" -eq 1 ; then
1130 AC_CHECK_HEADERS(pthread.h,
1131 AC_SUBST(HAVE_PTHREAD, 1),
1132 AC_SUBST(HAVE_PTHREAD, 0))
1134 AC_SUBST(HAVE_PTHREAD, 0)
1137 dnl Try to find ffi.h.
1138 if test "$llvm_cv_enable_libffi" = "yes" ; then
1139 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1142 dnl===-----------------------------------------------------------------------===
1144 dnl=== SECTION 7: Check for types and structures
1146 dnl===-----------------------------------------------------------------------===
1153 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1154 AC_CHECK_TYPES([uint64_t],,
1155 AC_CHECK_TYPES([u_int64_t],,
1156 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1158 dnl===-----------------------------------------------------------------------===
1160 dnl=== SECTION 8: Check for specific functions needed
1162 dnl===-----------------------------------------------------------------------===
1164 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1165 AC_CHECK_FUNCS([powf fmodf strtof round ])
1166 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1167 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1168 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1169 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1170 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1171 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1173 dnl FIXME: This is no longer used, please remove (but test)!!!
1177 dnl Check for variations in the Standard C++ library and STL. These macros are
1178 dnl provided by LLVM in the autoconf/m4 directory.
1179 AC_CXX_HAVE_STD_ITERATOR
1180 AC_CXX_HAVE_BI_ITERATOR
1181 AC_CXX_HAVE_FWD_ITERATOR
1185 dnl Check for mmap support.We also need to know if /dev/zero is required to
1186 dnl be opened for allocating RWX memory.
1187 dnl Make sure we aren't attempting to configure for an unknown system
1188 if test "$llvm_cv_platform_type" = "Unix" ; then
1191 AC_NEED_DEV_ZERO_FOR_MMAP
1193 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1195 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1197 if test "$ac_cv_func_mmap_file" = "no"
1199 AC_MSG_WARN([mmap() of files required but not found])
1203 dnl atomic builtins are required for threading support.
1204 AC_MSG_CHECKING(for GCC atomic builtins)
1208 volatile unsigned long val = 1;
1209 __sync_synchronize();
1210 __sync_val_compare_and_swap(&val, 1, 0);
1211 __sync_add_and_fetch(&val, 1);
1212 __sync_sub_and_fetch(&val, 1);
1217 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1219 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1220 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1223 dnl===-----------------------------------------------------------------------===
1225 dnl=== SECTION 9: Additional checks, variables, etc.
1227 dnl===-----------------------------------------------------------------------===
1229 dnl Handle 32-bit linux systems running a 64-bit kernel.
1230 dnl This has to come after section 4 because it invokes the compiler.
1231 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1233 if test "$llvm_cv_linux_mixed" = "yes"; then
1234 llvm_cv_target_arch="x86"
1239 dnl Check, whether __dso_handle is present
1240 AC_CHECK_FUNCS([__dso_handle])
1242 dnl See if the llvm-gcc executable can compile to LLVM assembly
1243 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1244 [llvm_cv_llvmgcc_sanity="no"
1245 if test -x "$LLVMGCC" ; then
1246 cp /dev/null conftest.c
1247 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1248 grep 'target datalayout =' > /dev/null 2>&1
1249 if test $? -eq 0 ; then
1250 llvm_cv_llvmgcc_sanity="yes"
1255 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1256 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1257 AC_MSG_CHECKING([llvm-gcc component support])
1258 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1259 AC_SUBST(LLVMCC1,$llvmcc1path)
1260 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1261 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1262 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1263 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1264 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1265 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1266 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1267 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1268 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1269 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1270 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1271 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1275 dnl Propagate the shared library extension that the libltdl checks did to
1276 dnl the Makefiles so we can use it there too
1277 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1279 # Translate the various configuration directories and other basic
1280 # information into substitutions that will end up in Makefile.config.in
1281 # that these configured values can be used by the makefiles
1282 if test "${prefix}" = "NONE" ; then
1285 eval LLVM_PREFIX="${prefix}";
1286 eval LLVM_BINDIR="${prefix}/bin";
1287 eval LLVM_LIBDIR="${prefix}/lib";
1288 eval LLVM_DATADIR="${prefix}/share/llvm";
1289 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1290 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1291 eval LLVM_INCLUDEDIR="${prefix}/include";
1292 eval LLVM_INFODIR="${prefix}/info";
1293 eval LLVM_MANDIR="${prefix}/man";
1294 LLVM_CONFIGTIME=`date`
1295 AC_SUBST(LLVM_PREFIX)
1296 AC_SUBST(LLVM_BINDIR)
1297 AC_SUBST(LLVM_LIBDIR)
1298 AC_SUBST(LLVM_DATADIR)
1299 AC_SUBST(LLVM_DOCSDIR)
1300 AC_SUBST(LLVM_ETCDIR)
1301 AC_SUBST(LLVM_INCLUDEDIR)
1302 AC_SUBST(LLVM_INFODIR)
1303 AC_SUBST(LLVM_MANDIR)
1304 AC_SUBST(LLVM_CONFIGTIME)
1306 # Place the various directores into the config.h file as #defines so that we
1307 # can know about the installation paths within LLVM.
1308 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1309 [Installation prefix directory])
1310 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1311 [Installation directory for binary executables])
1312 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1313 [Installation directory for libraries])
1314 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1315 [Installation directory for data files])
1316 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1317 [Installation directory for documentation])
1318 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1319 [Installation directory for config files])
1320 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1321 [Installation directory for include files])
1322 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1323 [Installation directory for .info files])
1324 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1325 [Installation directory for man pages])
1326 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1327 [Time at which LLVM was configured])
1328 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1329 [Host triple we were built on])
1331 # Determine which bindings to build.
1332 if test "$BINDINGS_TO_BUILD" = auto ; then
1333 BINDINGS_TO_BUILD=""
1334 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1335 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1338 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1340 # This isn't really configurey, but it avoids having to repeat the list in
1342 AC_SUBST(ALL_BINDINGS,ocaml)
1344 # Do any work necessary to ensure that bindings have what they need.
1345 binding_prereqs_failed=0
1346 for a_binding in $BINDINGS_TO_BUILD ; do
1347 case "$a_binding" in
1349 if test "x$OCAMLC" = x ; then
1350 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1351 binding_prereqs_failed=1
1353 if test "x$OCAMLDEP" = x ; then
1354 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1355 binding_prereqs_failed=1
1357 if test "x$OCAMLOPT" = x ; then
1358 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1359 dnl ocamlopt is optional!
1361 if test "x$with_ocaml_libdir" != xauto ; then
1362 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1364 ocaml_stdlib="`"$OCAMLC" -where`"
1365 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1367 # ocaml stdlib is beneath our prefix; use stdlib
1368 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1370 # ocaml stdlib is outside our prefix; use libdir/ocaml
1371 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1377 if test "$binding_prereqs_failed" = 1 ; then
1378 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1381 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1382 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1384 dnl Determine linker rpath flag
1385 if test "$llvm_cv_link_use_r" = "yes" ; then
1392 dnl Determine linker rdynamic flag
1393 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1394 RDYNAMIC="-Wl,-export-dynamic"
1400 dnl===-----------------------------------------------------------------------===
1402 dnl=== SECTION 10: Specify the output files and generate it
1404 dnl===-----------------------------------------------------------------------===
1406 dnl Configure header files
1407 dnl WARNING: dnl If you add or remove any of the following config headers, then
1408 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1409 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1410 dnl files can be updated automatically when their *.in sources change.
1411 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1412 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1413 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1414 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1415 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1416 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1418 dnl Configure the makefile's configuration data
1419 AC_CONFIG_FILES([Makefile.config])
1421 dnl Configure the RPM spec file for LLVM
1422 AC_CONFIG_FILES([llvm.spec])
1424 dnl Configure doxygen's configuration file
1425 AC_CONFIG_FILES([docs/doxygen.cfg])
1427 dnl Configure llvmc's Base plugin
1428 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1430 dnl Do the first stage of configuration for llvm-config.in.
1431 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1433 dnl Do special configuration of Makefiles
1434 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1435 AC_CONFIG_MAKEFILE(Makefile)
1436 AC_CONFIG_MAKEFILE(Makefile.common)
1437 AC_CONFIG_MAKEFILE(examples/Makefile)
1438 AC_CONFIG_MAKEFILE(lib/Makefile)
1439 AC_CONFIG_MAKEFILE(runtime/Makefile)
1440 AC_CONFIG_MAKEFILE(test/Makefile)
1441 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1442 AC_CONFIG_MAKEFILE(unittests/Makefile)
1443 AC_CONFIG_MAKEFILE(tools/Makefile)
1444 AC_CONFIG_MAKEFILE(utils/Makefile)
1445 AC_CONFIG_MAKEFILE(projects/Makefile)
1446 AC_CONFIG_MAKEFILE(bindings/Makefile)
1447 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1449 dnl Finally, crank out the output