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,--whole-archive"
170 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
171 llvm_cv_os_type="Win32"
172 llvm_cv_platform_type="Win32" ;;
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="MingW"
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="Freestanding"
182 llvm_cv_platform_type="Unix" ;;
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="Freestanding"
187 llvm_cv_platform_type="Unix" ;;
189 llvm_cv_link_all_option=""
190 llvm_cv_no_link_all_option=""
191 llvm_cv_os_type="Unknown"
192 llvm_cv_platform_type="Unknown" ;;
195 AC_CACHE_CHECK([type of operating system we're going to target],
196 [llvm_cv_target_os_type],
199 llvm_cv_target_os_type="AIX" ;;
201 llvm_cv_target_os_type="IRIX" ;;
203 llvm_cv_target_os_type="Cygwin" ;;
205 llvm_cv_target_os_type="Darwin" ;;
207 llvm_cv_target_os_type="FreeBSD" ;;
209 llvm_cv_target_os_type="OpenBSD" ;;
211 llvm_cv_target_os_type="NetBSD" ;;
213 llvm_cv_target_os_type="DragonFly" ;;
215 llvm_cv_target_os_type="HP-UX" ;;
217 llvm_cv_target_os_type="Interix" ;;
219 llvm_cv_target_os_type="Linux" ;;
221 llvm_cv_target_os_type="SunOS" ;;
223 llvm_cv_target_os_type="Win32" ;;
225 llvm_cv_target_os_type="MingW" ;;
227 llvm_cv_target_os_type="Freestanding" ;;
229 llvm_cv_target_os_type="Unknown" ;;
232 dnl Make sure we aren't attempting to configure for an unknown system
233 if test "$llvm_cv_os_type" = "Unknown" ; then
234 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
237 dnl Set the "OS" Makefile variable based on the platform type so the
238 dnl makefile can configure itself to specific build hosts
239 AC_SUBST(OS,$llvm_cv_os_type)
240 AC_SUBST(HOST_OS,$llvm_cv_os_type)
241 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
243 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
244 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
245 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
247 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
248 dnl This is used by lib/System to determine the basic kind of implementation
250 case $llvm_cv_platform_type in
252 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
253 AC_SUBST(LLVM_ON_UNIX,[1])
254 AC_SUBST(LLVM_ON_WIN32,[0])
257 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
258 AC_SUBST(LLVM_ON_UNIX,[0])
259 AC_SUBST(LLVM_ON_WIN32,[1])
263 dnl Determine what our target architecture is and configure accordingly.
264 dnl This will allow Makefiles to make a distinction between the hardware and
266 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
268 i?86-*) llvm_cv_target_arch="x86" ;;
269 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
270 sparc*-*) llvm_cv_target_arch="Sparc" ;;
271 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
272 alpha*-*) llvm_cv_target_arch="Alpha" ;;
273 arm*-*) llvm_cv_target_arch="ARM" ;;
274 mips-*) llvm_cv_target_arch="Mips" ;;
275 pic16-*) llvm_cv_target_arch="PIC16" ;;
276 xcore-*) llvm_cv_target_arch="XCore" ;;
277 msp430-*) llvm_cv_target_arch="MSP430" ;;
278 s390x-*) llvm_cv_target_arch="SystemZ" ;;
279 bfin-*) llvm_cv_target_arch="Blackfin" ;;
280 *) llvm_cv_target_arch="Unknown" ;;
283 if test "$llvm_cv_target_arch" = "Unknown" ; then
284 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
287 # Determine the LLVM native architecture for the target
288 case "$llvm_cv_target_arch" in
289 x86) LLVM_NATIVE_ARCH="X86" ;;
290 x86_64) LLVM_NATIVE_ARCH="X86" ;;
291 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
294 dnl Define a substitution, ARCH, for the target architecture
295 AC_SUBST(ARCH,$llvm_cv_target_arch)
297 dnl Check for the endianness of the target
298 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
300 dnl Check for build platform executable suffix if we're crosscompiling
301 if test "$cross_compiling" = yes; then
302 AC_SUBST(LLVM_CROSS_COMPILING, [1])
304 ac_build_prefix=${build_alias}-
305 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
306 if test -z "$BUILD_CXX"; then
307 AC_CHECK_PROG(BUILD_CXX, g++, g++)
308 if test -z "$BUILD_CXX"; then
309 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
313 AC_SUBST(LLVM_CROSS_COMPILING, [0])
316 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
317 dnl that this build is being done from a checkout. This sets up several
318 dnl defaults for the command line switches. When we build with a CVS directory,
319 dnl we get a debug with assertions turned on. Without, we assume a source
320 dnl release and we get an optimized build without assertions.
321 dnl See --enable-optimized and --enable-assertions below
322 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
325 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
331 dnl===-----------------------------------------------------------------------===
333 dnl=== SECTION 3: Command line arguments for the configure script.
335 dnl===-----------------------------------------------------------------------===
337 dnl --enable-optimized : check whether they want to do an optimized build:
338 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
339 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
340 if test ${enableval} = "no" ; then
341 AC_SUBST(ENABLE_OPTIMIZED,[[]])
343 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
346 dnl --enable-profiling : check whether they want to do a profile build:
347 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
348 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
349 if test ${enableval} = "no" ; then
350 AC_SUBST(ENABLE_PROFILING,[[]])
352 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
355 dnl --enable-assertions : check whether they want to turn on assertions or not:
356 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
357 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
358 if test ${enableval} = "yes" ; then
359 AC_SUBST(DISABLE_ASSERTIONS,[[]])
361 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
364 dnl LLVM_COMPACT_SENTINELS : can be used to shrink ilist's end iterators and disable certain checks on them:
365 if test ${ENABLE_OPTIMIZED},${DISABLE_ASSERTIONS} = "ENABLE_OPTIMIZED=1,DISABLE_ASSERTIONS=1" ; then
366 AC_SUBST(LLVM_COMPACT_SENTINELS,[1])
368 AC_SUBST(LLVM_COMPACT_SENTINELS,[0])
371 AC_DEFINE_UNQUOTED([LLVM_COMPACT_SENTINELS],$LLVM_COMPACT_SENTINELS,
372 [Define to 1 for ilist sentinel compaction])
375 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
376 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
377 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
378 if test ${enableval} = "yes" ; then
379 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
380 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
382 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
383 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
386 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
387 AC_ARG_ENABLE(debug-runtime,
388 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
389 if test ${enableval} = "no" ; then
390 AC_SUBST(DEBUG_RUNTIME,[[]])
392 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
395 dnl --enable-jit: check whether they want to enable the jit
397 AS_HELP_STRING(--enable-jit,
398 [Enable Just In Time Compiling (default is YES)]),,
400 if test ${enableval} = "no"
404 case "$llvm_cv_target_arch" in
405 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
406 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
407 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
408 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
409 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
410 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
411 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
412 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
413 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
414 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
415 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
416 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
417 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
421 dnl Allow enablement of doxygen generated documentation
422 AC_ARG_ENABLE(doxygen,
423 AS_HELP_STRING([--enable-doxygen],
424 [Build doxygen documentation (default is NO)]),,
427 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
428 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
429 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
430 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
433 dnl Allow disablement of threads
434 AC_ARG_ENABLE(threads,
435 AS_HELP_STRING([--enable-threads],
436 [Use threads if available (default is YES)]),,
439 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
440 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
441 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
442 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
444 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
446 dnl Allow building without position independent code
448 AS_HELP_STRING([--enable-pic],
449 [Build LLVM with Position Independent Code (default is YES)]),,
452 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
453 no) AC_SUBST(ENABLE_PIC,[0]) ;;
454 default) AC_SUBST(ENABLE_PIC,[1]) ;;
455 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
457 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
458 [Define if position independent code is enabled])
460 dnl Allow specific targets to be specified for building (or not)
462 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
463 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
466 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
468 case "$llvm_cv_target_arch" in
469 x86) TARGETS_TO_BUILD="X86" ;;
470 x86_64) TARGETS_TO_BUILD="X86" ;;
471 Sparc) TARGETS_TO_BUILD="Sparc" ;;
472 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
473 Alpha) TARGETS_TO_BUILD="Alpha" ;;
474 ARM) TARGETS_TO_BUILD="ARM" ;;
475 Mips) TARGETS_TO_BUILD="Mips" ;;
476 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
477 PIC16) TARGETS_TO_BUILD="PIC16" ;;
478 XCore) TARGETS_TO_BUILD="XCore" ;;
479 MSP430) TARGETS_TO_BUILD="MSP430" ;;
480 SystemZ) TARGETS_TO_BUILD="SystemZ" ;;
481 Blackfin) TARGETS_TO_BUILD="Blackfin" ;;
482 *) AC_MSG_ERROR([Can not set target to build]) ;;
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 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
508 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
510 # Determine whether we are building LLVM support for the native architecture.
511 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
512 for a_target in $TARGETS_TO_BUILD; do
513 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
514 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
515 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
516 [LLVM architecture name for the native architecture, if available])
520 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
521 # Targets.def, AsmPrinters.def, and AsmParsers.def.
523 LLVM_ENUM_ASM_PRINTERS=""
524 LLVM_ENUM_ASM_PARSERS=""
525 for target_to_build in $TARGETS_TO_BUILD; do
526 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
527 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
528 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
530 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
531 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
534 AC_SUBST(LLVM_ENUM_TARGETS)
535 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
536 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
538 dnl Prevent the CBackend from using printf("%a") for floating point so older
539 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
540 dnl can still compile the CBE's output
541 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
542 [Enable C Backend output with hex floating point via %a (default is YES)]),,
545 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
546 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
547 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
548 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
550 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
551 [Define if CBE is enabled for printf %a output])
553 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
554 AC_ARG_WITH(llvmgccdir,
555 AS_HELP_STRING([--with-llvmgccdir],
556 [Specify location of llvm-gcc install dir (default searches PATH)]),,
559 default) WITH_LLVMGCCDIR=default ;;
560 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
561 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
564 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
566 AS_HELP_STRING([--with-llvmgcc],
567 [Specify location of llvm-gcc driver (default searches PATH)]),
568 LLVMGCC=$with_llvmgcc
571 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
573 AS_HELP_STRING([--with-llvmgxx],
574 [Specify location of llvm-g++ driver (default searches PATH)]),
575 LLVMGXX=$with_llvmgxx
578 if test -n "$LLVMGCC"; then
579 LLVMGCCCOMMAND="$LLVMGCC"
582 if test -n "$LLVMGXX"; then
583 LLVMGXXCOMMAND="$LLVMGXX"
586 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
587 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
590 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
591 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
594 dnl Specify extra build options
595 AC_ARG_WITH(extra-options,
596 AS_HELP_STRING([--with-extra-options],
597 [Specify additional options to compile LLVM with]),,
600 default) EXTRA_OPTIONS= ;;
601 *) EXTRA_OPTIONS=$withval ;;
603 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
605 dnl Allow specific bindings to be specified for building (or not)
606 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
607 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
611 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
612 all ) BINDINGS_TO_BUILD="ocaml" ;;
613 none | no) BINDINGS_TO_BUILD="" ;;
614 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
616 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
617 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
623 dnl Allow the ocaml libdir to be overridden. This could go in a configure
624 dnl script for bindings/ocaml/configure, except that its auto value depends on
625 dnl OCAMLC, which is found here to support tests.
626 AC_ARG_WITH([ocaml-libdir],
627 [AS_HELP_STRING([--with-ocaml-libdir],
628 [Specify install location for ocaml bindings (default is stdlib)])],
632 auto) with_ocaml_libdir="$withval" ;;
633 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
634 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
637 dnl Allow linking of LLVM with GPLv3 binutils code.
638 AC_ARG_WITH(binutils-include,
639 AS_HELP_STRING([--with-binutils-include],
640 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
643 default) WITH_BINUTILS_INCDIR=default ;;
644 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
645 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
647 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
648 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
649 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
650 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
651 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
655 dnl --enable-libffi : check whether the user wants to turn off libffi:
656 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
657 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
660 yes) llvm_cv_enable_libffi="yes" ;;
661 no) llvm_cv_enable_libffi="no" ;;
662 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
665 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
666 if test "$llvm_cv_os_type" = "Win32" ; then
672 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
673 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
674 --enable-llvmc-dynamic,
675 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
676 enableval=$llvmc_dynamic)
677 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
678 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
680 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
683 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
684 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
685 --enable-llvmc-dynamic-plugins,
686 [Enable dynamic LLVMC plugins (default is YES)]),,
688 if test ${enableval} = "yes" ; then
689 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
691 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
694 dnl===-----------------------------------------------------------------------===
696 dnl=== SECTION 4: Check for programs we need and that they are the right version
698 dnl===-----------------------------------------------------------------------===
700 dnl Check for compilation tools
708 dnl Check for the tools that the makefiles require
711 AC_PATH_PROG(CMP, [cmp], [cmp])
712 AC_PATH_PROG(CP, [cp], [cp])
713 AC_PATH_PROG(DATE, [date], [date])
714 AC_PATH_PROG(FIND, [find], [find])
715 AC_PATH_PROG(GREP, [grep], [grep])
716 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
717 AC_PATH_PROG(MV, [mv], [mv])
719 AC_PATH_PROG(RM, [rm], [rm])
720 AC_PATH_PROG(SED, [sed], [sed])
721 AC_PATH_PROG(TAR, [tar], [gtar])
722 AC_PATH_PROG(BINPWD,[pwd], [pwd])
724 dnl Looking for misc. graph plotting software
725 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
726 if test "$GRAPHVIZ" != "echo Graphviz" ; then
727 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
728 dnl If we're targeting for mingw we should emit windows paths, not msys
729 if test "$llvm_cv_os_type" = "MingW" ; then
730 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
732 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
733 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
735 AC_PATH_PROG(DOT, [dot], [echo dot])
736 if test "$DOT" != "echo dot" ; then
737 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
738 dnl If we're targeting for mingw we should emit windows paths, not msys
739 if test "$llvm_cv_os_type" = "MingW" ; then
740 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
742 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
743 [Define to path to dot program if found or 'echo dot' otherwise])
745 AC_PATH_PROG(FDP, [fdp], [echo fdp])
746 if test "$FDP" != "echo fdp" ; then
747 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
748 dnl If we're targeting for mingw we should emit windows paths, not msys
749 if test "$llvm_cv_os_type" = "MingW" ; then
750 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
752 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
753 [Define to path to fdp program if found or 'echo fdp' otherwise])
755 AC_PATH_PROG(NEATO, [neato], [echo neato])
756 if test "$NEATO" != "echo neato" ; then
757 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
758 dnl If we're targeting for mingw we should emit windows paths, not msys
759 if test "$llvm_cv_os_type" = "MingW" ; then
760 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
762 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
763 [Define to path to neato program if found or 'echo neato' otherwise])
765 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
766 if test "$TWOPI" != "echo twopi" ; then
767 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
768 dnl If we're targeting for mingw we should emit windows paths, not msys
769 if test "$llvm_cv_os_type" = "MingW" ; then
770 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
772 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
773 [Define to path to twopi program if found or 'echo twopi' otherwise])
775 AC_PATH_PROG(CIRCO, [circo], [echo circo])
776 if test "$CIRCO" != "echo circo" ; then
777 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
778 dnl If we're targeting for mingw we should emit windows paths, not msys
779 if test "$llvm_cv_os_type" = "MingW" ; then
780 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
782 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
783 [Define to path to circo program if found or 'echo circo' otherwise])
785 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
786 if test "$GV" != "echo gv" ; then
787 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
788 dnl If we're targeting for mingw we should emit windows paths, not msys
789 if test "$llvm_cv_os_type" = "MingW" ; then
790 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
792 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
793 [Define to path to gv program if found or 'echo gv' otherwise])
795 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
796 if test "$DOTTY" != "echo dotty" ; then
797 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
798 dnl If we're targeting for mingw we should emit windows paths, not msys
799 if test "$llvm_cv_os_type" = "MingW" ; then
800 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
802 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
803 [Define to path to dotty program if found or 'echo dotty' otherwise])
806 dnl Look for a sufficiently recent version of Perl.
807 LLVM_PROG_PERL([5.006])
809 if test x"$PERL" = xnone; then
810 AC_SUBST(HAVE_PERL,0)
811 AC_MSG_ERROR([perl is required but was not found, please install it])
813 AC_SUBST(HAVE_PERL,1)
816 dnl Find the install program
819 dnl Checks for documentation and testing tools that we can do without. If these
820 dnl are not found then they are set to "true" which always succeeds but does
821 dnl nothing. This just lets the build output show that we could have done
822 dnl something if the tool was available.
823 AC_PATH_PROG(BZIP2, [bzip2])
824 AC_PATH_PROG(DOXYGEN, [doxygen])
825 AC_PATH_PROG(GROFF, [groff])
826 AC_PATH_PROG(GZIP, [gzip])
827 AC_PATH_PROG(POD2HTML, [pod2html])
828 AC_PATH_PROG(POD2MAN, [pod2man])
829 AC_PATH_PROG(RUNTEST, [runtest])
831 AC_PATH_PROG(ZIP, [zip])
832 AC_PATH_PROGS(OCAMLC, [ocamlc])
833 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
834 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
835 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
836 AC_PATH_PROGS(GAS, [gas as])
838 dnl Determine whether the linker supports the -R option.
841 dnl Determine whether the linker supports the -export-dynamic option.
842 AC_LINK_EXPORT_DYNAMIC
844 dnl Check for libtool and the library that has dlopen function (which must come
845 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
851 if test "$lt_cv_dlopen_self" = "yes" ; then
852 AC_DEFINE([CAN_DLOPEN_SELF],[1],
853 [Define if dlopen(0) will open the symbols of the program])
857 if test "$WITH_LLVMGCCDIR" = "default" ; then
858 LLVMGCC="llvm-gcc${EXEEXT}"
859 LLVMGXX="llvm-g++${EXEEXT}"
860 LLVMGCCCOMMAND="$LLVMGCC"
861 LLVMGXXCOMMAND="$LLVMGXX"
862 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
863 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
864 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
865 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
867 if test -z "$LLVMGCC"; then
868 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
869 LLVMGCCCOMMAND="$LLVMGCC"
871 if test -z "$LLVMGXX"; then
872 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
873 LLVMGXXCOMMAND="$LLVMGXX"
876 AC_SUBST(LLVMGCC,$LLVMGCC)
877 AC_SUBST(LLVMGXX,$LLVMGXX)
878 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
879 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
883 AC_MSG_CHECKING([tool compatibility])
885 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
886 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
887 dnl to support those options.
888 dnl "icc" emits gcc signatures
889 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
901 if test "$GCC" != "yes" && test "$ICC" != "yes"
903 AC_MSG_ERROR([gcc|icc required but not found])
906 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
907 if test "$GXX" != "yes" && test "$IXX" != "yes"
909 AC_MSG_ERROR([g++|icc required but not found])
912 dnl Verify that GCC is version 3.0 or higher
913 if test "$GCC" = "yes"
915 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
916 #error Unsupported GCC version
918 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
921 dnl Check for GNU Make. We use its extensions, so don't build without it
922 if test -z "$llvm_cv_gnu_make_command"
924 AC_MSG_ERROR([GNU Make required but not found])
927 dnl Tool compatibility is okay if we make it here.
930 dnl===-----------------------------------------------------------------------===
932 dnl=== SECTION 5: Check for libraries
934 dnl===-----------------------------------------------------------------------===
937 if test "$llvm_cv_os_type" = "MingW" ; then
938 AC_CHECK_LIB(imagehlp, main)
939 AC_CHECK_LIB(psapi, main)
942 dnl dlopen() is required for plugin support.
943 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
944 [Define if dlopen() is available on this platform.]),
945 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
947 dnl libffi is optional; used to call external functions from the interpreter
948 if test "$llvm_cv_enable_libffi" = "yes" ; then
949 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
950 [Define if libffi is available on this platform.]),
951 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
954 dnl mallinfo is optional; the code can compile (minus features) without it
955 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
956 [Define if mallinfo() is available on this platform.]))
958 dnl pthread locking functions are optional - but llvm will not be thread-safe
960 if test "$ENABLE_THREADS" -eq 1 ; then
961 AC_CHECK_LIB(pthread,pthread_mutex_init)
962 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
963 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
964 [Have pthread_mutex_lock]))
965 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
966 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
967 [Have pthread_rwlock_init]))
968 AC_SEARCH_LIBS(pthread_getspecific,pthread,
969 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
970 [Have pthread_getspecific]))
973 dnl Allow extra x86-disassembler library
975 AS_HELP_STRING([--with-udis86=<path>],
976 [Use udis86 external x86 disassembler library]),
978 AC_SUBST(USE_UDIS86, [1])
981 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
983 AC_CHECK_LIB(udis86, ud_init, [], [
984 echo "Error! You need to have libudis86 around."
988 AC_SUBST(USE_UDIS86, [0]))
989 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
990 [Define if use udis86 library])
992 dnl Allow OProfile support for JIT output.
993 AC_ARG_WITH(oprofile,
994 AS_HELP_STRING([--with-oprofile=<prefix>],
995 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
997 AC_SUBST(USE_OPROFILE, [1])
999 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1000 *) llvm_cv_oppath="${withval}/lib/oprofile"
1001 CPPFLAGS="-I${withval}/include";;
1003 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1004 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1005 echo "Error! You need to have libopagent around."
1008 AC_CHECK_HEADER([opagent.h], [], [
1009 echo "Error! You need to have opagent.h around."
1014 llvm_cv_old_LIBS="$LIBS"
1015 LIBS="$LIBS -L/usr/lib/oprofile -Wl,-rpath,/usr/lib/oprofile"
1016 dnl If either the library or header aren't present, omit oprofile support.
1017 AC_SEARCH_LIBS(op_open_agent, opagent,
1018 [AC_SUBST(USE_OPROFILE, [1])],
1019 [LIBS="$llvm_cv_old_LIBS"
1020 AC_SUBST(USE_OPROFILE, [0])])
1021 AC_CHECK_HEADER([opagent.h], [], [
1022 LIBS="$llvm_cv_old_LIBS"
1023 AC_SUBST(USE_OPROFILE, [0])
1026 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1027 [Define if we have the oprofile JIT-support library])
1029 dnl===-----------------------------------------------------------------------===
1031 dnl=== SECTION 6: Check for header files
1033 dnl===-----------------------------------------------------------------------===
1035 dnl First, use autoconf provided macros for specific headers that we need
1036 dnl We don't check for ancient stuff or things that are guaranteed to be there
1037 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1038 dnl Generally we're looking for POSIX headers.
1040 AC_HEADER_MMAP_ANONYMOUS
1046 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1047 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1048 AC_CHECK_HEADERS([utime.h windows.h])
1049 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1050 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1051 if test "$ENABLE_THREADS" -eq 1 ; then
1052 AC_CHECK_HEADERS(pthread.h,
1053 AC_SUBST(HAVE_PTHREAD, 1),
1054 AC_SUBST(HAVE_PTHREAD, 0))
1056 AC_SUBST(HAVE_PTHREAD, 0)
1059 dnl Try to find ffi.h.
1060 if test "$llvm_cv_enable_libffi" = "yes" ; then
1061 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1064 dnl===-----------------------------------------------------------------------===
1066 dnl=== SECTION 7: Check for types and structures
1068 dnl===-----------------------------------------------------------------------===
1075 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1076 AC_CHECK_TYPES([uint64_t],,
1077 AC_CHECK_TYPES([u_int64_t],,
1078 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1080 dnl===-----------------------------------------------------------------------===
1082 dnl=== SECTION 8: Check for specific functions needed
1084 dnl===-----------------------------------------------------------------------===
1086 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1087 AC_CHECK_FUNCS([powf fmodf strtof round ])
1088 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1089 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1090 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1091 AC_CHECK_FUNCS([strerror strerror_r strerror_s ])
1092 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1093 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1095 dnl FIXME: This is no longer used, please remove (but test)!!!
1099 dnl Check for variations in the Standard C++ library and STL. These macros are
1100 dnl provided by LLVM in the autoconf/m4 directory.
1101 AC_CXX_HAVE_STD_ITERATOR
1102 AC_CXX_HAVE_BI_ITERATOR
1103 AC_CXX_HAVE_FWD_ITERATOR
1107 dnl Check for mmap support.We also need to know if /dev/zero is required to
1108 dnl be opened for allocating RWX memory.
1109 dnl Make sure we aren't attempting to configure for an unknown system
1110 if test "$llvm_cv_platform_type" = "Unix" ; then
1113 AC_NEED_DEV_ZERO_FOR_MMAP
1115 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1117 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1119 if test "$ac_cv_func_mmap_file" = "no"
1121 AC_MSG_WARN([mmap() of files required but not found])
1125 dnl atomic builtins are required for threading support.
1126 AC_MSG_CHECKING(for GCC atomic builtins)
1130 volatile unsigned long val = 1;
1131 __sync_synchronize();
1132 __sync_val_compare_and_swap(&val, 1, 0);
1133 __sync_add_and_fetch(&val, 1);
1134 __sync_sub_and_fetch(&val, 1);
1139 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1141 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1142 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1145 dnl===-----------------------------------------------------------------------===
1147 dnl=== SECTION 9: Additional checks, variables, etc.
1149 dnl===-----------------------------------------------------------------------===
1151 dnl Check, whether __dso_handle is present
1152 AC_CHECK_FUNCS([__dso_handle])
1154 dnl See if the llvm-gcc executable can compile to LLVM assembly
1155 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1156 [llvm_cv_llvmgcc_sanity="no"
1157 if test -x "$LLVMGCC" ; then
1158 cp /dev/null conftest.c
1159 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1160 grep 'target datalayout =' > /dev/null 2>&1
1161 if test $? -eq 0 ; then
1162 llvm_cv_llvmgcc_sanity="yes"
1167 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1168 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1169 AC_MSG_CHECKING([llvm-gcc component support])
1170 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1171 AC_SUBST(LLVMCC1,$llvmcc1path)
1172 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1173 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1174 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1175 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1176 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1177 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1178 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1179 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1180 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1181 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1182 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1183 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1187 dnl Propagate the shared library extension that the libltdl checks did to
1188 dnl the Makefiles so we can use it there too
1189 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1191 # Translate the various configuration directories and other basic
1192 # information into substitutions that will end up in Makefile.config.in
1193 # that these configured values can be used by the makefiles
1194 if test "${prefix}" = "NONE" ; then
1197 eval LLVM_PREFIX="${prefix}";
1198 eval LLVM_BINDIR="${prefix}/bin";
1199 eval LLVM_LIBDIR="${prefix}/lib";
1200 eval LLVM_DATADIR="${prefix}/share/llvm";
1201 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1202 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1203 eval LLVM_INCLUDEDIR="${prefix}/include";
1204 eval LLVM_INFODIR="${prefix}/info";
1205 eval LLVM_MANDIR="${prefix}/man";
1206 LLVM_CONFIGTIME=`date`
1207 AC_SUBST(LLVM_PREFIX)
1208 AC_SUBST(LLVM_BINDIR)
1209 AC_SUBST(LLVM_LIBDIR)
1210 AC_SUBST(LLVM_DATADIR)
1211 AC_SUBST(LLVM_DOCSDIR)
1212 AC_SUBST(LLVM_ETCDIR)
1213 AC_SUBST(LLVM_INCLUDEDIR)
1214 AC_SUBST(LLVM_INFODIR)
1215 AC_SUBST(LLVM_MANDIR)
1216 AC_SUBST(LLVM_CONFIGTIME)
1218 # Place the various directores into the config.h file as #defines so that we
1219 # can know about the installation paths within LLVM.
1220 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1221 [Installation prefix directory])
1222 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1223 [Installation directory for binary executables])
1224 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1225 [Installation directory for libraries])
1226 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1227 [Installation directory for data files])
1228 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1229 [Installation directory for documentation])
1230 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1231 [Installation directory for config files])
1232 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1233 [Installation directory for include files])
1234 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1235 [Installation directory for .info files])
1236 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1237 [Installation directory for man pages])
1238 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1239 [Time at which LLVM was configured])
1240 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1241 [Host triple we were built on])
1243 # Determine which bindings to build.
1244 if test "$BINDINGS_TO_BUILD" = auto ; then
1245 BINDINGS_TO_BUILD=""
1246 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1247 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1250 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1252 # This isn't really configurey, but it avoids having to repeat the list in
1254 AC_SUBST(ALL_BINDINGS,ocaml)
1256 # Do any work necessary to ensure that bindings have what they need.
1257 binding_prereqs_failed=0
1258 for a_binding in $BINDINGS_TO_BUILD ; do
1259 case "$a_binding" in
1261 if test "x$OCAMLC" = x ; then
1262 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1263 binding_prereqs_failed=1
1265 if test "x$OCAMLDEP" = x ; then
1266 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1267 binding_prereqs_failed=1
1269 if test "x$OCAMLOPT" = x ; then
1270 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1271 dnl ocamlopt is optional!
1273 if test "x$with_ocaml_libdir" != xauto ; then
1274 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1276 ocaml_stdlib="`"$OCAMLC" -where`"
1277 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1279 # ocaml stdlib is beneath our prefix; use stdlib
1280 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1282 # ocaml stdlib is outside our prefix; use libdir/ocaml
1283 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1289 if test "$binding_prereqs_failed" = 1 ; then
1290 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1293 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1294 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1296 dnl Determine linker rpath flag
1297 if test "$llvm_cv_link_use_r" = "yes" ; then
1304 dnl Determine linker rdynamic flag
1305 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1306 RDYNAMIC="-Wl,-export-dynamic"
1312 dnl===-----------------------------------------------------------------------===
1314 dnl=== SECTION 10: Specify the output files and generate it
1316 dnl===-----------------------------------------------------------------------===
1318 dnl Configure header files
1319 dnl WARNING: dnl If you add or remove any of the following config headers, then
1320 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1321 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1322 dnl files can be updated automatically when their *.in sources change.
1323 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1324 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1325 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1326 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1327 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1328 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1330 dnl Configure the makefile's configuration data
1331 AC_CONFIG_FILES([Makefile.config])
1333 dnl Configure the RPM spec file for LLVM
1334 AC_CONFIG_FILES([llvm.spec])
1336 dnl Configure doxygen's configuration file
1337 AC_CONFIG_FILES([docs/doxygen.cfg])
1339 dnl Configure llvmc's Base plugin
1340 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1342 dnl Do the first stage of configuration for llvm-config.in.
1343 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1345 dnl Do special configuration of Makefiles
1346 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1347 AC_CONFIG_MAKEFILE(Makefile)
1348 AC_CONFIG_MAKEFILE(Makefile.common)
1349 AC_CONFIG_MAKEFILE(examples/Makefile)
1350 AC_CONFIG_MAKEFILE(lib/Makefile)
1351 AC_CONFIG_MAKEFILE(runtime/Makefile)
1352 AC_CONFIG_MAKEFILE(test/Makefile)
1353 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1354 AC_CONFIG_MAKEFILE(unittests/Makefile)
1355 AC_CONFIG_MAKEFILE(tools/Makefile)
1356 AC_CONFIG_MAKEFILE(utils/Makefile)
1357 AC_CONFIG_MAKEFILE(projects/Makefile)
1358 AC_CONFIG_MAKEFILE(bindings/Makefile)
1359 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1361 dnl Finally, crank out the output