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_ASM_PRINTER macro uses for
537 # Targets.def, AsmPrinters.def, and AsmParsers.def.
539 LLVM_ENUM_ASM_PRINTERS=""
540 LLVM_ENUM_ASM_PARSERS=""
541 for target_to_build in $TARGETS_TO_BUILD; do
542 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
543 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
544 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
546 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
547 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
550 AC_SUBST(LLVM_ENUM_TARGETS)
551 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
552 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
554 dnl Prevent the CBackend from using printf("%a") for floating point so older
555 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
556 dnl can still compile the CBE's output
557 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
558 [Enable C Backend output with hex floating point via %a (default is YES)]),,
561 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
562 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
563 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
564 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
566 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
567 [Define if CBE is enabled for printf %a output])
569 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
570 AC_ARG_WITH(llvmgccdir,
571 AS_HELP_STRING([--with-llvmgccdir],
572 [Specify location of llvm-gcc install dir (default searches PATH)]),,
575 default) WITH_LLVMGCCDIR=default ;;
576 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
577 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
580 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
582 AS_HELP_STRING([--with-llvmgcc],
583 [Specify location of llvm-gcc driver (default searches PATH)]),
584 LLVMGCC=$with_llvmgcc
587 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
589 AS_HELP_STRING([--with-llvmgxx],
590 [Specify location of llvm-g++ driver (default searches PATH)]),
591 LLVMGXX=$with_llvmgxx
594 if test -n "$LLVMGCC"; then
595 LLVMGCCCOMMAND="$LLVMGCC"
598 if test -n "$LLVMGXX"; then
599 LLVMGXXCOMMAND="$LLVMGXX"
602 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
603 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
606 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
607 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
610 dnl Specify extra build options
611 AC_ARG_WITH(extra-options,
612 AS_HELP_STRING([--with-extra-options],
613 [Specify additional options to compile LLVM with]),,
616 default) EXTRA_OPTIONS= ;;
617 *) EXTRA_OPTIONS=$withval ;;
619 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
621 dnl Allow specific bindings to be specified for building (or not)
622 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
623 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
627 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
628 all ) BINDINGS_TO_BUILD="ocaml" ;;
629 none | no) BINDINGS_TO_BUILD="" ;;
630 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
632 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
633 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
639 dnl Allow the ocaml libdir to be overridden. This could go in a configure
640 dnl script for bindings/ocaml/configure, except that its auto value depends on
641 dnl OCAMLC, which is found here to support tests.
642 AC_ARG_WITH([ocaml-libdir],
643 [AS_HELP_STRING([--with-ocaml-libdir],
644 [Specify install location for ocaml bindings (default is stdlib)])],
648 auto) with_ocaml_libdir="$withval" ;;
649 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
650 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
653 dnl Allow linking of LLVM with GPLv3 binutils code.
654 AC_ARG_WITH(binutils-include,
655 AS_HELP_STRING([--with-binutils-include],
656 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
659 default) WITH_BINUTILS_INCDIR=default ;;
660 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
661 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
663 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
664 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
665 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
666 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
667 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
671 dnl --enable-libffi : check whether the user wants to turn off libffi:
672 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
673 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
676 yes) llvm_cv_enable_libffi="yes" ;;
677 no) llvm_cv_enable_libffi="no" ;;
678 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
681 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
682 if test "$llvm_cv_os_type" = "Win32" ; then
688 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
689 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
690 --enable-llvmc-dynamic,
691 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
692 enableval=$llvmc_dynamic)
693 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
694 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
696 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
699 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
700 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
701 --enable-llvmc-dynamic-plugins,
702 [Enable dynamic LLVMC plugins (default is YES)]),,
704 if test ${enableval} = "yes" ; then
705 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
707 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
710 dnl===-----------------------------------------------------------------------===
712 dnl=== SECTION 4: Check for programs we need and that they are the right version
714 dnl===-----------------------------------------------------------------------===
716 dnl Check for compilation tools
724 dnl Check for the tools that the makefiles require
727 AC_PATH_PROG(CMP, [cmp], [cmp])
728 AC_PATH_PROG(CP, [cp], [cp])
729 AC_PATH_PROG(DATE, [date], [date])
730 AC_PATH_PROG(FIND, [find], [find])
731 AC_PATH_PROG(GREP, [grep], [grep])
732 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
733 AC_PATH_PROG(MV, [mv], [mv])
735 AC_PATH_PROG(RM, [rm], [rm])
736 AC_PATH_PROG(SED, [sed], [sed])
737 AC_PATH_PROG(TAR, [tar], [gtar])
738 AC_PATH_PROG(BINPWD,[pwd], [pwd])
740 dnl Looking for misc. graph plotting software
741 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
742 if test "$GRAPHVIZ" != "echo Graphviz" ; then
743 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
744 dnl If we're targeting for mingw we should emit windows paths, not msys
745 if test "$llvm_cv_os_type" = "MingW" ; then
746 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
748 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
749 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
751 AC_PATH_PROG(DOT, [dot], [echo dot])
752 if test "$DOT" != "echo dot" ; then
753 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
754 dnl If we're targeting for mingw we should emit windows paths, not msys
755 if test "$llvm_cv_os_type" = "MingW" ; then
756 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
758 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
759 [Define to path to dot program if found or 'echo dot' otherwise])
761 AC_PATH_PROG(FDP, [fdp], [echo fdp])
762 if test "$FDP" != "echo fdp" ; then
763 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
764 dnl If we're targeting for mingw we should emit windows paths, not msys
765 if test "$llvm_cv_os_type" = "MingW" ; then
766 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
768 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
769 [Define to path to fdp program if found or 'echo fdp' otherwise])
771 AC_PATH_PROG(NEATO, [neato], [echo neato])
772 if test "$NEATO" != "echo neato" ; then
773 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
774 dnl If we're targeting for mingw we should emit windows paths, not msys
775 if test "$llvm_cv_os_type" = "MingW" ; then
776 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
778 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
779 [Define to path to neato program if found or 'echo neato' otherwise])
781 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
782 if test "$TWOPI" != "echo twopi" ; then
783 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
784 dnl If we're targeting for mingw we should emit windows paths, not msys
785 if test "$llvm_cv_os_type" = "MingW" ; then
786 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
788 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
789 [Define to path to twopi program if found or 'echo twopi' otherwise])
791 AC_PATH_PROG(CIRCO, [circo], [echo circo])
792 if test "$CIRCO" != "echo circo" ; then
793 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
794 dnl If we're targeting for mingw we should emit windows paths, not msys
795 if test "$llvm_cv_os_type" = "MingW" ; then
796 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
798 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
799 [Define to path to circo program if found or 'echo circo' otherwise])
801 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
802 if test "$GV" != "echo gv" ; then
803 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
804 dnl If we're targeting for mingw we should emit windows paths, not msys
805 if test "$llvm_cv_os_type" = "MingW" ; then
806 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
808 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
809 [Define to path to gv program if found or 'echo gv' otherwise])
811 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
812 if test "$DOTTY" != "echo dotty" ; then
813 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
814 dnl If we're targeting for mingw we should emit windows paths, not msys
815 if test "$llvm_cv_os_type" = "MingW" ; then
816 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
818 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
819 [Define to path to dotty program if found or 'echo dotty' otherwise])
822 dnl Look for a sufficiently recent version of Perl.
823 LLVM_PROG_PERL([5.006])
825 if test x"$PERL" = xnone; then
826 AC_SUBST(HAVE_PERL,0)
827 AC_MSG_ERROR([perl is required but was not found, please install it])
829 AC_SUBST(HAVE_PERL,1)
832 dnl Find the install program
835 dnl Checks for documentation and testing tools that we can do without. If these
836 dnl are not found then they are set to "true" which always succeeds but does
837 dnl nothing. This just lets the build output show that we could have done
838 dnl something if the tool was available.
839 AC_PATH_PROG(BZIP2, [bzip2])
840 AC_PATH_PROG(DOXYGEN, [doxygen])
841 AC_PATH_PROG(GROFF, [groff])
842 AC_PATH_PROG(GZIP, [gzip])
843 AC_PATH_PROG(POD2HTML, [pod2html])
844 AC_PATH_PROG(POD2MAN, [pod2man])
845 AC_PATH_PROG(RUNTEST, [runtest])
847 AC_PATH_PROG(ZIP, [zip])
848 AC_PATH_PROGS(OCAMLC, [ocamlc])
849 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
850 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
851 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
852 AC_PATH_PROGS(GAS, [gas as])
854 dnl Determine whether the linker supports the -R option.
857 dnl Determine whether the linker supports the -export-dynamic option.
858 AC_LINK_EXPORT_DYNAMIC
860 dnl Check for libtool and the library that has dlopen function (which must come
861 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
867 if test "$lt_cv_dlopen_self" = "yes" ; then
868 AC_DEFINE([CAN_DLOPEN_SELF],[1],
869 [Define if dlopen(0) will open the symbols of the program])
873 if test "$WITH_LLVMGCCDIR" = "default" ; then
874 LLVMGCC="llvm-gcc${EXEEXT}"
875 LLVMGXX="llvm-g++${EXEEXT}"
876 LLVMGCCCOMMAND="$LLVMGCC"
877 LLVMGXXCOMMAND="$LLVMGXX"
878 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
879 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
880 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
881 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
883 if test -z "$LLVMGCC"; then
884 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
885 LLVMGCCCOMMAND="$LLVMGCC"
887 if test -z "$LLVMGXX"; then
888 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
889 LLVMGXXCOMMAND="$LLVMGXX"
892 AC_SUBST(LLVMGCC,$LLVMGCC)
893 AC_SUBST(LLVMGXX,$LLVMGXX)
894 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
895 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
899 AC_MSG_CHECKING([tool compatibility])
901 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
902 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
903 dnl to support those options.
904 dnl "icc" emits gcc signatures
905 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
917 if test "$GCC" != "yes" && test "$ICC" != "yes"
919 AC_MSG_ERROR([gcc|icc required but not found])
922 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
923 if test "$GXX" != "yes" && test "$IXX" != "yes"
925 AC_MSG_ERROR([g++|icc required but not found])
928 dnl Verify that GCC is version 3.0 or higher
929 if test "$GCC" = "yes"
931 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
932 #error Unsupported GCC version
934 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
937 dnl Check for GNU Make. We use its extensions, so don't build without it
938 if test -z "$llvm_cv_gnu_make_command"
940 AC_MSG_ERROR([GNU Make required but not found])
943 dnl Tool compatibility is okay if we make it here.
946 dnl===-----------------------------------------------------------------------===
948 dnl=== SECTION 5: Check for libraries
950 dnl===-----------------------------------------------------------------------===
953 if test "$llvm_cv_os_type" = "MingW" ; then
954 AC_CHECK_LIB(imagehlp, main)
955 AC_CHECK_LIB(psapi, main)
958 dnl dlopen() is required for plugin support.
959 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
960 [Define if dlopen() is available on this platform.]),
961 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
963 dnl libffi is optional; used to call external functions from the interpreter
964 if test "$llvm_cv_enable_libffi" = "yes" ; then
965 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
966 [Define if libffi is available on this platform.]),
967 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
970 dnl mallinfo is optional; the code can compile (minus features) without it
971 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
972 [Define if mallinfo() is available on this platform.]))
974 dnl pthread locking functions are optional - but llvm will not be thread-safe
976 if test "$ENABLE_THREADS" -eq 1 ; then
977 AC_CHECK_LIB(pthread, pthread_mutex_init)
978 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
979 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
980 [Have pthread_mutex_lock]))
981 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
982 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
983 [Have pthread_rwlock_init]))
984 AC_SEARCH_LIBS(pthread_getspecific,pthread,
985 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
986 [Have pthread_getspecific]))
989 dnl Allow extra x86-disassembler library
991 AS_HELP_STRING([--with-udis86=<path>],
992 [Use udis86 external x86 disassembler library]),
994 AC_SUBST(USE_UDIS86, [1])
997 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
999 AC_CHECK_LIB(udis86, ud_init, [], [
1000 echo "Error! You need to have libudis86 around."
1004 AC_SUBST(USE_UDIS86, [0]))
1005 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1006 [Define if use udis86 library])
1008 dnl Allow OProfile support for JIT output.
1009 AC_ARG_WITH(oprofile,
1010 AS_HELP_STRING([--with-oprofile=<prefix>],
1011 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1013 AC_SUBST(USE_OPROFILE, [1])
1015 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1017 AC_SUBST(USE_OPROFILE, [0]) ;;
1018 *) llvm_cv_oppath="${withval}/lib/oprofile"
1019 CPPFLAGS="-I${withval}/include";;
1021 if test -n "$llvm_cv_oppath" ; then
1022 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1023 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1024 dnl libbfd is not included properly in libopagent in some Debian
1025 dnl versions. If libbfd isn't found at all, we assume opagent works
1027 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1028 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1029 echo "Error! You need to have libopagent around."
1032 AC_CHECK_HEADER([opagent.h], [], [
1033 echo "Error! You need to have opagent.h around."
1039 AC_SUBST(USE_OPROFILE, [0])
1041 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1042 [Define if we have the oprofile JIT-support library])
1044 dnl===-----------------------------------------------------------------------===
1046 dnl=== SECTION 6: Check for header files
1048 dnl===-----------------------------------------------------------------------===
1050 dnl First, use autoconf provided macros for specific headers that we need
1051 dnl We don't check for ancient stuff or things that are guaranteed to be there
1052 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1053 dnl Generally we're looking for POSIX headers.
1055 AC_HEADER_MMAP_ANONYMOUS
1061 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1062 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1063 AC_CHECK_HEADERS([utime.h windows.h])
1064 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1065 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1066 if test "$ENABLE_THREADS" -eq 1 ; then
1067 AC_CHECK_HEADERS(pthread.h,
1068 AC_SUBST(HAVE_PTHREAD, 1),
1069 AC_SUBST(HAVE_PTHREAD, 0))
1071 AC_SUBST(HAVE_PTHREAD, 0)
1074 dnl Try to find ffi.h.
1075 if test "$llvm_cv_enable_libffi" = "yes" ; then
1076 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1079 dnl===-----------------------------------------------------------------------===
1081 dnl=== SECTION 7: Check for types and structures
1083 dnl===-----------------------------------------------------------------------===
1090 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1091 AC_CHECK_TYPES([uint64_t],,
1092 AC_CHECK_TYPES([u_int64_t],,
1093 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1095 dnl===-----------------------------------------------------------------------===
1097 dnl=== SECTION 8: Check for specific functions needed
1099 dnl===-----------------------------------------------------------------------===
1101 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1102 AC_CHECK_FUNCS([powf fmodf strtof round ])
1103 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1104 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1105 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1106 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1107 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1108 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1110 dnl FIXME: This is no longer used, please remove (but test)!!!
1114 dnl Check for variations in the Standard C++ library and STL. These macros are
1115 dnl provided by LLVM in the autoconf/m4 directory.
1116 AC_CXX_HAVE_STD_ITERATOR
1117 AC_CXX_HAVE_BI_ITERATOR
1118 AC_CXX_HAVE_FWD_ITERATOR
1122 dnl Check for mmap support.We also need to know if /dev/zero is required to
1123 dnl be opened for allocating RWX memory.
1124 dnl Make sure we aren't attempting to configure for an unknown system
1125 if test "$llvm_cv_platform_type" = "Unix" ; then
1128 AC_NEED_DEV_ZERO_FOR_MMAP
1130 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1132 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1134 if test "$ac_cv_func_mmap_file" = "no"
1136 AC_MSG_WARN([mmap() of files required but not found])
1140 dnl atomic builtins are required for threading support.
1141 AC_MSG_CHECKING(for GCC atomic builtins)
1145 volatile unsigned long val = 1;
1146 __sync_synchronize();
1147 __sync_val_compare_and_swap(&val, 1, 0);
1148 __sync_add_and_fetch(&val, 1);
1149 __sync_sub_and_fetch(&val, 1);
1154 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1156 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1157 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1160 dnl===-----------------------------------------------------------------------===
1162 dnl=== SECTION 9: Additional checks, variables, etc.
1164 dnl===-----------------------------------------------------------------------===
1166 dnl Handle 32-bit linux systems running a 64-bit kernel.
1167 dnl This has to come after section 4 because it invokes the compiler.
1168 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1170 if test "$llvm_cv_linux_mixed" = "yes"; then
1171 llvm_cv_target_arch="x86"
1176 dnl Check, whether __dso_handle is present
1177 AC_CHECK_FUNCS([__dso_handle])
1179 dnl See if the llvm-gcc executable can compile to LLVM assembly
1180 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1181 [llvm_cv_llvmgcc_sanity="no"
1182 if test -x "$LLVMGCC" ; then
1183 cp /dev/null conftest.c
1184 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1185 grep 'target datalayout =' > /dev/null 2>&1
1186 if test $? -eq 0 ; then
1187 llvm_cv_llvmgcc_sanity="yes"
1192 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1193 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1194 AC_MSG_CHECKING([llvm-gcc component support])
1195 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1196 AC_SUBST(LLVMCC1,$llvmcc1path)
1197 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1198 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1199 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1200 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1201 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1202 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1203 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1204 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1205 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1206 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1207 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1208 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1212 dnl Propagate the shared library extension that the libltdl checks did to
1213 dnl the Makefiles so we can use it there too
1214 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1216 # Translate the various configuration directories and other basic
1217 # information into substitutions that will end up in Makefile.config.in
1218 # that these configured values can be used by the makefiles
1219 if test "${prefix}" = "NONE" ; then
1222 eval LLVM_PREFIX="${prefix}";
1223 eval LLVM_BINDIR="${prefix}/bin";
1224 eval LLVM_LIBDIR="${prefix}/lib";
1225 eval LLVM_DATADIR="${prefix}/share/llvm";
1226 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1227 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1228 eval LLVM_INCLUDEDIR="${prefix}/include";
1229 eval LLVM_INFODIR="${prefix}/info";
1230 eval LLVM_MANDIR="${prefix}/man";
1231 LLVM_CONFIGTIME=`date`
1232 AC_SUBST(LLVM_PREFIX)
1233 AC_SUBST(LLVM_BINDIR)
1234 AC_SUBST(LLVM_LIBDIR)
1235 AC_SUBST(LLVM_DATADIR)
1236 AC_SUBST(LLVM_DOCSDIR)
1237 AC_SUBST(LLVM_ETCDIR)
1238 AC_SUBST(LLVM_INCLUDEDIR)
1239 AC_SUBST(LLVM_INFODIR)
1240 AC_SUBST(LLVM_MANDIR)
1241 AC_SUBST(LLVM_CONFIGTIME)
1243 # Place the various directores into the config.h file as #defines so that we
1244 # can know about the installation paths within LLVM.
1245 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1246 [Installation prefix directory])
1247 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1248 [Installation directory for binary executables])
1249 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1250 [Installation directory for libraries])
1251 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1252 [Installation directory for data files])
1253 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1254 [Installation directory for documentation])
1255 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1256 [Installation directory for config files])
1257 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1258 [Installation directory for include files])
1259 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1260 [Installation directory for .info files])
1261 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1262 [Installation directory for man pages])
1263 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1264 [Time at which LLVM was configured])
1265 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1266 [Host triple we were built on])
1268 # Determine which bindings to build.
1269 if test "$BINDINGS_TO_BUILD" = auto ; then
1270 BINDINGS_TO_BUILD=""
1271 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1272 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1275 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1277 # This isn't really configurey, but it avoids having to repeat the list in
1279 AC_SUBST(ALL_BINDINGS,ocaml)
1281 # Do any work necessary to ensure that bindings have what they need.
1282 binding_prereqs_failed=0
1283 for a_binding in $BINDINGS_TO_BUILD ; do
1284 case "$a_binding" in
1286 if test "x$OCAMLC" = x ; then
1287 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1288 binding_prereqs_failed=1
1290 if test "x$OCAMLDEP" = x ; then
1291 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1292 binding_prereqs_failed=1
1294 if test "x$OCAMLOPT" = x ; then
1295 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1296 dnl ocamlopt is optional!
1298 if test "x$with_ocaml_libdir" != xauto ; then
1299 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1301 ocaml_stdlib="`"$OCAMLC" -where`"
1302 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1304 # ocaml stdlib is beneath our prefix; use stdlib
1305 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1307 # ocaml stdlib is outside our prefix; use libdir/ocaml
1308 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1314 if test "$binding_prereqs_failed" = 1 ; then
1315 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1318 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1319 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1321 dnl Determine linker rpath flag
1322 if test "$llvm_cv_link_use_r" = "yes" ; then
1329 dnl Determine linker rdynamic flag
1330 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1331 RDYNAMIC="-Wl,-export-dynamic"
1337 dnl===-----------------------------------------------------------------------===
1339 dnl=== SECTION 10: Specify the output files and generate it
1341 dnl===-----------------------------------------------------------------------===
1343 dnl Configure header files
1344 dnl WARNING: dnl If you add or remove any of the following config headers, then
1345 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1346 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1347 dnl files can be updated automatically when their *.in sources change.
1348 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1349 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1350 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1351 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1352 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1354 dnl Configure the makefile's configuration data
1355 AC_CONFIG_FILES([Makefile.config])
1357 dnl Configure the RPM spec file for LLVM
1358 AC_CONFIG_FILES([llvm.spec])
1360 dnl Configure doxygen's configuration file
1361 AC_CONFIG_FILES([docs/doxygen.cfg])
1363 dnl Configure llvmc's Base plugin
1364 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1366 dnl Do the first stage of configuration for llvm-config.in.
1367 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1369 dnl Do special configuration of Makefiles
1370 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1371 AC_CONFIG_MAKEFILE(Makefile)
1372 AC_CONFIG_MAKEFILE(Makefile.common)
1373 AC_CONFIG_MAKEFILE(examples/Makefile)
1374 AC_CONFIG_MAKEFILE(lib/Makefile)
1375 AC_CONFIG_MAKEFILE(runtime/Makefile)
1376 AC_CONFIG_MAKEFILE(test/Makefile)
1377 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1378 AC_CONFIG_MAKEFILE(unittests/Makefile)
1379 AC_CONFIG_MAKEFILE(tools/Makefile)
1380 AC_CONFIG_MAKEFILE(utils/Makefile)
1381 AC_CONFIG_MAKEFILE(projects/Makefile)
1382 AC_CONFIG_MAKEFILE(bindings/Makefile)
1383 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1385 dnl Finally, crank out the output