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 $llvm_cv_platform_type in
266 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
267 AC_SUBST(LLVM_ON_UNIX,[1])
268 AC_SUBST(LLVM_ON_WIN32,[0])
271 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
272 AC_SUBST(LLVM_ON_UNIX,[0])
273 AC_SUBST(LLVM_ON_WIN32,[1])
277 dnl Determine what our target architecture is and configure accordingly.
278 dnl This will allow Makefiles to make a distinction between the hardware and
280 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
282 i?86-*) llvm_cv_target_arch="x86" ;;
283 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
284 sparc*-*) llvm_cv_target_arch="Sparc" ;;
285 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
286 alpha*-*) llvm_cv_target_arch="Alpha" ;;
287 arm*-*) llvm_cv_target_arch="ARM" ;;
288 mips-*) llvm_cv_target_arch="Mips" ;;
289 pic16-*) llvm_cv_target_arch="PIC16" ;;
290 xcore-*) llvm_cv_target_arch="XCore" ;;
291 msp430-*) llvm_cv_target_arch="MSP430" ;;
292 s390x-*) llvm_cv_target_arch="SystemZ" ;;
293 bfin-*) llvm_cv_target_arch="Blackfin" ;;
294 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
295 *) llvm_cv_target_arch="Unknown" ;;
298 if test "$llvm_cv_target_arch" = "Unknown" ; then
299 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
302 # Determine the LLVM native architecture for the target
303 case "$llvm_cv_target_arch" in
304 x86) LLVM_NATIVE_ARCH="X86" ;;
305 x86_64) LLVM_NATIVE_ARCH="X86" ;;
306 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
309 dnl Define a substitution, ARCH, for the target architecture
310 AC_SUBST(ARCH,$llvm_cv_target_arch)
312 dnl Check for the endianness of the target
313 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
315 dnl Check for build platform executable suffix if we're crosscompiling
316 if test "$cross_compiling" = yes; then
317 AC_SUBST(LLVM_CROSS_COMPILING, [1])
319 ac_build_prefix=${build_alias}-
320 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
321 if test -z "$BUILD_CXX"; then
322 AC_CHECK_PROG(BUILD_CXX, g++, g++)
323 if test -z "$BUILD_CXX"; then
324 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
328 AC_SUBST(LLVM_CROSS_COMPILING, [0])
331 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
332 dnl that this build is being done from a checkout. This sets up several
333 dnl defaults for the command line switches. When we build with a CVS directory,
334 dnl we get a debug with assertions turned on. Without, we assume a source
335 dnl release and we get an optimized build without assertions.
336 dnl See --enable-optimized and --enable-assertions below
337 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
340 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
346 dnl===-----------------------------------------------------------------------===
348 dnl=== SECTION 3: Command line arguments for the configure script.
350 dnl===-----------------------------------------------------------------------===
352 dnl --enable-optimized : check whether they want to do an optimized build:
353 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
354 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
355 if test ${enableval} = "no" ; then
356 AC_SUBST(ENABLE_OPTIMIZED,[[]])
358 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
361 dnl --enable-profiling : check whether they want to do a profile build:
362 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
363 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
364 if test ${enableval} = "no" ; then
365 AC_SUBST(ENABLE_PROFILING,[[]])
367 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
370 dnl --enable-assertions : check whether they want to turn on assertions or not:
371 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
372 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
373 if test ${enableval} = "yes" ; then
374 AC_SUBST(DISABLE_ASSERTIONS,[[]])
376 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
379 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
380 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
381 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
382 if test ${enableval} = "yes" ; then
383 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
384 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
386 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
387 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
390 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
391 AC_ARG_ENABLE(debug-runtime,
392 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
393 if test ${enableval} = "no" ; then
394 AC_SUBST(DEBUG_RUNTIME,[[]])
396 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
399 dnl --enable-debug-symbols : should even optimized compiler libraries
400 dnl have debug symbols?
401 AC_ARG_ENABLE(debug-symbols,
402 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)
403 if test ${enableval} = "no" ; then
404 AC_SUBST(DEBUG_SYMBOLS,[[]])
406 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
409 dnl --enable-jit: check whether they want to enable the jit
411 AS_HELP_STRING(--enable-jit,
412 [Enable Just In Time Compiling (default is YES)]),,
414 if test ${enableval} = "no"
418 case "$llvm_cv_target_arch" in
419 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
420 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
421 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
422 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
423 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
424 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
425 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
426 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
427 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
428 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
429 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
430 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
431 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
432 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
436 dnl Allow enablement of doxygen generated documentation
437 AC_ARG_ENABLE(doxygen,
438 AS_HELP_STRING([--enable-doxygen],
439 [Build doxygen documentation (default is NO)]),,
442 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
443 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
444 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
445 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
448 dnl Allow disablement of threads
449 AC_ARG_ENABLE(threads,
450 AS_HELP_STRING([--enable-threads],
451 [Use threads if available (default is YES)]),,
454 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
455 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
456 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
457 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
459 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
461 dnl Allow building without position independent code
463 AS_HELP_STRING([--enable-pic],
464 [Build LLVM with Position Independent Code (default is YES)]),,
467 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
468 no) AC_SUBST(ENABLE_PIC,[0]) ;;
469 default) AC_SUBST(ENABLE_PIC,[1]) ;;
470 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
472 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
473 [Define if position independent code is enabled])
475 dnl Allow building a shared library and linking tools against it.
476 AC_ARG_ENABLE(shared,
477 AS_HELP_STRING([--enable-shared],
478 [Build a shared library and link tools against it (default is NO)]),,
481 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
482 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
483 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
484 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
487 dnl Allow specific targets to be specified for building (or not)
489 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
490 [Build specific host targets: all or target1,target2,... Valid targets are:
491 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
492 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
494 if test "$enableval" = host-only ; then
498 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend MBlaze" ;;
499 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
501 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
502 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
503 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
504 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
505 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
506 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
507 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
508 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
509 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
510 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
511 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
512 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
513 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
514 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
515 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
516 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
517 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
518 host) case "$llvm_cv_target_arch" in
519 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
520 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
521 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
522 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
523 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
524 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
525 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
526 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
527 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
528 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
529 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
530 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
531 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
532 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
533 *) AC_MSG_ERROR([Can not set target to build]) ;;
535 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
540 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
542 # Determine whether we are building LLVM support for the native architecture.
543 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
544 for a_target in $TARGETS_TO_BUILD; do
545 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
546 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
547 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
548 [LLVM architecture name for the native architecture, if available])
552 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
553 # target feature def files.
555 LLVM_ENUM_ASM_PRINTERS=""
556 LLVM_ENUM_ASM_PARSERS=""
557 LLVM_ENUM_DISASSEMBLERS=""
558 for target_to_build in $TARGETS_TO_BUILD; do
559 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
560 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
561 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
563 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
564 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
566 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
567 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
570 AC_SUBST(LLVM_ENUM_TARGETS)
571 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
572 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
573 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
575 dnl Prevent the CBackend from using printf("%a") for floating point so older
576 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
577 dnl can still compile the CBE's output
578 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
579 [Enable C Backend output with hex floating point via %a (default is YES)]),,
582 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
583 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
584 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
585 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
587 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
588 [Define if CBE is enabled for printf %a output])
590 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
591 AC_ARG_WITH(llvmgccdir,
592 AS_HELP_STRING([--with-llvmgccdir],
593 [Specify location of llvm-gcc install dir (default searches PATH)]),,
596 default) WITH_LLVMGCCDIR=default ;;
597 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
598 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
601 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
603 AS_HELP_STRING([--with-llvmgcc],
604 [Specify location of llvm-gcc driver (default searches PATH)]),
605 LLVMGCC=$with_llvmgcc
608 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
610 AS_HELP_STRING([--with-llvmgxx],
611 [Specify location of llvm-g++ driver (default searches PATH)]),
612 LLVMGXX=$with_llvmgxx
615 if test -n "$LLVMGCC"; then
616 LLVMGCCCOMMAND="$LLVMGCC"
619 if test -n "$LLVMGXX"; then
620 LLVMGXXCOMMAND="$LLVMGXX"
623 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
624 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
627 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
628 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
631 dnl Allow a specific Clang compiler to be used with this LLVM config.
633 AS_HELP_STRING([--with-clang],
634 [Specify location of clang compiler (default is --with-built-clang)]),
635 [],[with_clang=default])
637 dnl Enable use of the built Clang.
638 AC_ARG_WITH(built-clang,
639 AS_HELP_STRING([--with-built-clang],
640 [Use the compiled Clang as the LLVM compiler (default=check)]),
641 [],[with_built_clang=check])
643 dnl Select the Clang compiler option.
645 dnl If --with-clang is given, always honor that; otherwise honor
646 dnl --with-built-clang, or check if we have the clang sources.
647 AC_MSG_CHECKING([clang compiler])
650 if test "$with_clang" != "default"; then
651 WITH_CLANGPATH="$with_clang"
652 if ! test -x "$WITH_CLANGPATH"; then
653 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
655 elif test "$with_built_clang" = "yes"; then
657 elif test "$with_built_clang" = "no"; then
660 if test "$with_built_clang" != "check"; then
661 AC_MSG_ERROR([invalid value for --with-built-clang.])
664 if test -f ${srcdir}/tools/clang/README.txt; then
669 if ! test -z "$WITH_CLANGPATH"; then
670 AC_MSG_RESULT([$WITH_CLANGPATH])
671 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
672 elif test "$WITH_BUILT_CLANG" = "1"; then
673 AC_MSG_RESULT([built])
675 AC_MSG_RESULT([none])
677 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
678 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
679 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
681 dnl Override the option to use for optimized builds.
682 AC_ARG_WITH(optimize-option,
683 AS_HELP_STRING([--with-optimize-option],
684 [Select the compiler options to use for optimized builds]),,
686 AC_MSG_CHECKING([optimization flags])
689 case "$llvm_cv_os_type" in
690 MingW) optimize_option=-O3 ;;
691 *) optimize_option=-O2 ;;
693 *) optimize_option="$withval" ;;
695 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
696 AC_MSG_RESULT([$optimize_option])
698 dnl Specify extra build options
699 AC_ARG_WITH(extra-options,
700 AS_HELP_STRING([--with-extra-options],
701 [Specify additional options to compile LLVM with]),,
704 default) EXTRA_OPTIONS= ;;
705 *) EXTRA_OPTIONS=$withval ;;
707 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
709 dnl Allow specific bindings to be specified for building (or not)
710 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
711 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
715 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
716 all ) BINDINGS_TO_BUILD="ocaml" ;;
717 none | no) BINDINGS_TO_BUILD="" ;;
718 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
720 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
721 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
727 dnl Allow the ocaml libdir to be overridden. This could go in a configure
728 dnl script for bindings/ocaml/configure, except that its auto value depends on
729 dnl OCAMLC, which is found here to support tests.
730 AC_ARG_WITH([ocaml-libdir],
731 [AS_HELP_STRING([--with-ocaml-libdir],
732 [Specify install location for ocaml bindings (default is stdlib)])],
736 auto) with_ocaml_libdir="$withval" ;;
737 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
738 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
741 AC_ARG_WITH(c-include-dirs,
742 AS_HELP_STRING([--with-c-include-dirs],
743 [Colon separated list of directories clang will search for headers]),,
745 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
746 [Directories clang will search for headers])
748 AC_ARG_WITH(cxx-include-root,
749 AS_HELP_STRING([--with-cxx-include-root],
750 [Directory with the libstdc++ headers.]),,
752 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
753 [Directory with the libstdc++ headers.])
755 AC_ARG_WITH(cxx-include-arch,
756 AS_HELP_STRING([--with-cxx-include-arch],
757 [Architecture of the libstdc++ headers.]),,
759 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
760 [Arch the libstdc++ headers.])
762 AC_ARG_WITH(cxx-include-32bit-dir,
763 AS_HELP_STRING([--with-cxx-include-32bit-dir],
764 [32 bit multilib dir.]),,
766 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
767 [32 bit multilib directory.])
769 AC_ARG_WITH(cxx-include-64bit-dir,
770 AS_HELP_STRING([--with-cxx-include-64bit-dir],
771 [64 bit multilib directory.]),,
773 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
774 [64 bit multilib directory.])
776 dnl Allow linking of LLVM with GPLv3 binutils code.
777 AC_ARG_WITH(binutils-include,
778 AS_HELP_STRING([--with-binutils-include],
779 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
782 default) WITH_BINUTILS_INCDIR=default ;;
783 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
784 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
786 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
787 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
788 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
789 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
790 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
794 dnl --enable-libffi : check whether the user wants to turn off libffi:
795 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
796 --enable-libffi,[Check for the presence of libffi (default is NO)]),
797 [case "$enableval" in
798 yes) llvm_cv_enable_libffi="yes" ;;
799 no) llvm_cv_enable_libffi="no" ;;
800 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
802 llvm_cv_enable_libffi=no)
804 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
805 if test "$llvm_cv_os_type" = "Win32" ; then
811 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
812 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
813 --enable-llvmc-dynamic,
814 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
815 enableval=$llvmc_dynamic)
816 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
817 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
819 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
822 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
823 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
824 --enable-llvmc-dynamic-plugins,
825 [Enable dynamic LLVMC plugins (default is YES)]),,
827 if test ${enableval} = "yes" ; then
828 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
830 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
833 dnl===-----------------------------------------------------------------------===
835 dnl=== SECTION 4: Check for programs we need and that they are the right version
837 dnl===-----------------------------------------------------------------------===
839 dnl Check for compilation tools
847 dnl Check for the tools that the makefiles require
850 AC_PATH_PROG(CMP, [cmp], [cmp])
851 AC_PATH_PROG(CP, [cp], [cp])
852 AC_PATH_PROG(DATE, [date], [date])
853 AC_PATH_PROG(FIND, [find], [find])
854 AC_PATH_PROG(GREP, [grep], [grep])
855 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
856 AC_PATH_PROG(MV, [mv], [mv])
858 AC_CHECK_TOOL(AR, ar, false)
859 AC_PATH_PROG(RM, [rm], [rm])
860 AC_PATH_PROG(SED, [sed], [sed])
861 AC_PATH_PROG(TAR, [tar], [gtar])
862 AC_PATH_PROG(BINPWD,[pwd], [pwd])
864 dnl Looking for misc. graph plotting software
865 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
866 if test "$GRAPHVIZ" != "echo Graphviz" ; then
867 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
868 dnl If we're targeting for mingw we should emit windows paths, not msys
869 if test "$llvm_cv_os_type" = "MingW" ; then
870 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
872 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
873 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
875 AC_PATH_PROG(DOT, [dot], [echo dot])
876 if test "$DOT" != "echo dot" ; then
877 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
878 dnl If we're targeting for mingw we should emit windows paths, not msys
879 if test "$llvm_cv_os_type" = "MingW" ; then
880 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
882 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
883 [Define to path to dot program if found or 'echo dot' otherwise])
885 AC_PATH_PROG(FDP, [fdp], [echo fdp])
886 if test "$FDP" != "echo fdp" ; then
887 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
888 dnl If we're targeting for mingw we should emit windows paths, not msys
889 if test "$llvm_cv_os_type" = "MingW" ; then
890 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
892 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
893 [Define to path to fdp program if found or 'echo fdp' otherwise])
895 AC_PATH_PROG(NEATO, [neato], [echo neato])
896 if test "$NEATO" != "echo neato" ; then
897 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
898 dnl If we're targeting for mingw we should emit windows paths, not msys
899 if test "$llvm_cv_os_type" = "MingW" ; then
900 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
902 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
903 [Define to path to neato program if found or 'echo neato' otherwise])
905 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
906 if test "$TWOPI" != "echo twopi" ; then
907 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
908 dnl If we're targeting for mingw we should emit windows paths, not msys
909 if test "$llvm_cv_os_type" = "MingW" ; then
910 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
912 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
913 [Define to path to twopi program if found or 'echo twopi' otherwise])
915 AC_PATH_PROG(CIRCO, [circo], [echo circo])
916 if test "$CIRCO" != "echo circo" ; then
917 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
918 dnl If we're targeting for mingw we should emit windows paths, not msys
919 if test "$llvm_cv_os_type" = "MingW" ; then
920 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
922 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
923 [Define to path to circo program if found or 'echo circo' otherwise])
925 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
926 if test "$GV" != "echo gv" ; then
927 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
928 dnl If we're targeting for mingw we should emit windows paths, not msys
929 if test "$llvm_cv_os_type" = "MingW" ; then
930 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
932 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
933 [Define to path to gv program if found or 'echo gv' otherwise])
935 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
936 if test "$DOTTY" != "echo dotty" ; then
937 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
938 dnl If we're targeting for mingw we should emit windows paths, not msys
939 if test "$llvm_cv_os_type" = "MingW" ; then
940 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
942 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
943 [Define to path to dotty program if found or 'echo dotty' otherwise])
946 dnl Look for a sufficiently recent version of Perl.
947 LLVM_PROG_PERL([5.006])
949 if test x"$PERL" = xnone; then
950 AC_SUBST(HAVE_PERL,0)
951 AC_MSG_ERROR([perl is required but was not found, please install it])
953 AC_SUBST(HAVE_PERL,1)
956 dnl Find the install program
959 dnl Checks for documentation and testing tools that we can do without. If these
960 dnl are not found then they are set to "true" which always succeeds but does
961 dnl nothing. This just lets the build output show that we could have done
962 dnl something if the tool was available.
963 AC_PATH_PROG(BZIP2, [bzip2])
964 AC_PATH_PROG(DOXYGEN, [doxygen])
965 AC_PATH_PROG(GROFF, [groff])
966 AC_PATH_PROG(GZIP, [gzip])
967 AC_PATH_PROG(POD2HTML, [pod2html])
968 AC_PATH_PROG(POD2MAN, [pod2man])
969 AC_PATH_PROG(RUNTEST, [runtest])
971 AC_PATH_PROG(ZIP, [zip])
972 AC_PATH_PROGS(OCAMLC, [ocamlc])
973 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
974 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
975 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
976 AC_PATH_PROGS(GAS, [gas as])
978 dnl Determine whether the linker supports the -R option.
981 dnl Determine whether the linker supports the -export-dynamic option.
982 AC_LINK_EXPORT_DYNAMIC
984 dnl Check for libtool and the library that has dlopen function (which must come
985 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
990 if test "$WITH_LLVMGCCDIR" = "default" ; then
991 LLVMGCC="llvm-gcc${EXEEXT}"
992 LLVMGXX="llvm-g++${EXEEXT}"
993 LLVMGCCCOMMAND="$LLVMGCC"
994 LLVMGXXCOMMAND="$LLVMGXX"
995 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
996 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
997 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
998 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1000 if test -z "$LLVMGCC"; then
1001 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1002 LLVMGCCCOMMAND="$LLVMGCC"
1004 if test -z "$LLVMGXX"; then
1005 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1006 LLVMGXXCOMMAND="$LLVMGXX"
1009 AC_SUBST(LLVMGCC,$LLVMGCC)
1010 AC_SUBST(LLVMGXX,$LLVMGXX)
1011 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1012 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1015 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1016 dnl found, otherwise clang if available.
1018 AS_HELP_STRING([--with-llvmcc=<name>],
1019 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1020 [],[with_llvmcc=check])
1021 AC_MSG_CHECKING([LLVM capable compiler])
1022 if test "$with_llvmcc" != "check"; then
1023 if (test "$with_llvmcc" != "llvm-gcc" &&
1024 test "$with_llvmcc" != "clang" &&
1025 test "$with_llvmcc" != "none"); then
1026 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1028 WITH_LLVMCC="$with_llvmcc"
1029 elif test -n "$LLVMGCC"; then
1030 WITH_LLVMCC=llvm-gcc
1031 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1036 AC_MSG_RESULT([$WITH_LLVMCC])
1037 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1039 AC_MSG_CHECKING([tool compatibility])
1041 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1042 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1043 dnl to support those options.
1044 dnl "icc" emits gcc signatures
1045 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1057 if test "$GCC" != "yes" && test "$ICC" != "yes"
1059 AC_MSG_ERROR([gcc|icc required but not found])
1062 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
1063 if test "$GXX" != "yes" && test "$IXX" != "yes"
1065 AC_MSG_ERROR([g++|icc required but not found])
1068 dnl Verify that GCC is version 3.0 or higher
1069 if test "$GCC" = "yes"
1071 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1072 #error Unsupported GCC version
1074 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1077 dnl Check for GNU Make. We use its extensions, so don't build without it
1078 if test -z "$llvm_cv_gnu_make_command"
1080 AC_MSG_ERROR([GNU Make required but not found])
1083 dnl Tool compatibility is okay if we make it here.
1086 dnl Check optional compiler flags.
1087 AC_MSG_CHECKING([optional compiler flags])
1088 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1089 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1090 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1092 dnl===-----------------------------------------------------------------------===
1094 dnl=== SECTION 5: Check for libraries
1096 dnl===-----------------------------------------------------------------------===
1099 if test "$llvm_cv_os_type" = "MingW" ; then
1100 AC_CHECK_LIB(imagehlp, main)
1101 AC_CHECK_LIB(psapi, main)
1104 dnl dlopen() is required for plugin support.
1105 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1106 [Define if dlopen() is available on this platform.]),
1107 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1109 dnl libffi is optional; used to call external functions from the interpreter
1110 if test "$llvm_cv_enable_libffi" = "yes" ; then
1111 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1112 [Define if libffi is available on this platform.]),
1113 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1116 dnl mallinfo is optional; the code can compile (minus features) without it
1117 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1118 [Define if mallinfo() is available on this platform.]))
1120 dnl pthread locking functions are optional - but llvm will not be thread-safe
1122 if test "$ENABLE_THREADS" -eq 1 ; then
1123 AC_CHECK_LIB(pthread, pthread_mutex_init)
1124 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1125 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1126 [Have pthread_mutex_lock]))
1127 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1128 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1129 [Have pthread_rwlock_init]))
1130 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1131 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1132 [Have pthread_getspecific]))
1135 dnl Allow extra x86-disassembler library
1137 AS_HELP_STRING([--with-udis86=<path>],
1138 [Use udis86 external x86 disassembler library]),
1140 AC_SUBST(USE_UDIS86, [1])
1143 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1145 AC_CHECK_LIB(udis86, ud_init, [], [
1146 echo "Error! You need to have libudis86 around."
1150 AC_SUBST(USE_UDIS86, [0]))
1151 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1152 [Define if use udis86 library])
1154 dnl Allow OProfile support for JIT output.
1155 AC_ARG_WITH(oprofile,
1156 AS_HELP_STRING([--with-oprofile=<prefix>],
1157 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1159 AC_SUBST(USE_OPROFILE, [1])
1161 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1163 AC_SUBST(USE_OPROFILE, [0]) ;;
1164 *) llvm_cv_oppath="${withval}/lib/oprofile"
1165 CPPFLAGS="-I${withval}/include";;
1167 if test -n "$llvm_cv_oppath" ; then
1168 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1169 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1170 dnl libbfd is not included properly in libopagent in some Debian
1171 dnl versions. If libbfd isn't found at all, we assume opagent works
1173 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1174 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1175 echo "Error! You need to have libopagent around."
1178 AC_CHECK_HEADER([opagent.h], [], [
1179 echo "Error! You need to have opagent.h around."
1185 AC_SUBST(USE_OPROFILE, [0])
1187 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1188 [Define if we have the oprofile JIT-support library])
1190 dnl===-----------------------------------------------------------------------===
1192 dnl=== SECTION 6: Check for header files
1194 dnl===-----------------------------------------------------------------------===
1196 dnl First, use autoconf provided macros for specific headers that we need
1197 dnl We don't check for ancient stuff or things that are guaranteed to be there
1198 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1199 dnl Generally we're looking for POSIX headers.
1201 AC_HEADER_MMAP_ANONYMOUS
1207 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1208 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1209 AC_CHECK_HEADERS([utime.h windows.h])
1210 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1211 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1212 if test "$ENABLE_THREADS" -eq 1 ; then
1213 AC_CHECK_HEADERS(pthread.h,
1214 AC_SUBST(HAVE_PTHREAD, 1),
1215 AC_SUBST(HAVE_PTHREAD, 0))
1217 AC_SUBST(HAVE_PTHREAD, 0)
1220 dnl Try to find ffi.h.
1221 if test "$llvm_cv_enable_libffi" = "yes" ; then
1222 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1225 dnl===-----------------------------------------------------------------------===
1227 dnl=== SECTION 7: Check for types and structures
1229 dnl===-----------------------------------------------------------------------===
1234 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1236 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1237 AC_CHECK_TYPES([uint64_t],,
1238 AC_CHECK_TYPES([u_int64_t],,
1239 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1241 dnl===-----------------------------------------------------------------------===
1243 dnl=== SECTION 8: Check for specific functions needed
1245 dnl===-----------------------------------------------------------------------===
1247 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1248 AC_CHECK_FUNCS([powf fmodf strtof round ])
1249 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1250 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1251 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1252 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1253 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1254 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1258 dnl Check for variations in the Standard C++ library and STL. These macros are
1259 dnl provided by LLVM in the autoconf/m4 directory.
1263 dnl Check for mmap support.We also need to know if /dev/zero is required to
1264 dnl be opened for allocating RWX memory.
1265 dnl Make sure we aren't attempting to configure for an unknown system
1266 if test "$llvm_cv_platform_type" = "Unix" ; then
1269 AC_NEED_DEV_ZERO_FOR_MMAP
1271 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1273 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1275 if test "$ac_cv_func_mmap_file" = "no"
1277 AC_MSG_WARN([mmap() of files required but not found])
1281 dnl atomic builtins are required for threading support.
1282 AC_MSG_CHECKING(for GCC atomic builtins)
1286 volatile unsigned long val = 1;
1287 __sync_synchronize();
1288 __sync_val_compare_and_swap(&val, 1, 0);
1289 __sync_add_and_fetch(&val, 1);
1290 __sync_sub_and_fetch(&val, 1);
1295 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1297 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1298 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1301 dnl===-----------------------------------------------------------------------===
1303 dnl=== SECTION 9: Additional checks, variables, etc.
1305 dnl===-----------------------------------------------------------------------===
1307 dnl Handle 32-bit linux systems running a 64-bit kernel.
1308 dnl This has to come after section 4 because it invokes the compiler.
1309 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1311 if test "$llvm_cv_linux_mixed" = "yes"; then
1312 llvm_cv_target_arch="x86"
1317 dnl Check, whether __dso_handle is present
1318 AC_CHECK_FUNCS([__dso_handle])
1320 dnl See if the llvm-gcc executable can compile to LLVM assembly
1321 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1322 [llvm_cv_llvmgcc_sanity="no"
1323 if test -x "$LLVMGCC" ; then
1324 cp /dev/null conftest.c
1325 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1326 grep 'target datalayout =' > /dev/null 2>&1
1327 if test $? -eq 0 ; then
1328 llvm_cv_llvmgcc_sanity="yes"
1333 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1334 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1335 AC_MSG_CHECKING([llvm-gcc component support])
1336 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1337 AC_SUBST(LLVMCC1,$llvmcc1path)
1338 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1339 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1340 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1341 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1342 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1343 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1347 dnl Propagate the shared library extension that the libltdl checks did to
1348 dnl the Makefiles so we can use it there too
1349 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1351 dnl Propagate the run-time library path variable that the libltdl
1352 dnl checks found to the Makefiles so we can use it there too
1353 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1355 # Translate the various configuration directories and other basic
1356 # information into substitutions that will end up in Makefile.config.in
1357 # that these configured values can be used by the makefiles
1358 if test "${prefix}" = "NONE" ; then
1361 eval LLVM_PREFIX="${prefix}";
1362 eval LLVM_BINDIR="${prefix}/bin";
1363 eval LLVM_LIBDIR="${prefix}/lib";
1364 eval LLVM_DATADIR="${prefix}/share/llvm";
1365 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1366 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1367 eval LLVM_INCLUDEDIR="${prefix}/include";
1368 eval LLVM_INFODIR="${prefix}/info";
1369 eval LLVM_MANDIR="${prefix}/man";
1370 LLVM_CONFIGTIME=`date`
1371 AC_SUBST(LLVM_PREFIX)
1372 AC_SUBST(LLVM_BINDIR)
1373 AC_SUBST(LLVM_LIBDIR)
1374 AC_SUBST(LLVM_DATADIR)
1375 AC_SUBST(LLVM_DOCSDIR)
1376 AC_SUBST(LLVM_ETCDIR)
1377 AC_SUBST(LLVM_INCLUDEDIR)
1378 AC_SUBST(LLVM_INFODIR)
1379 AC_SUBST(LLVM_MANDIR)
1380 AC_SUBST(LLVM_CONFIGTIME)
1382 # Place the various directores into the config.h file as #defines so that we
1383 # can know about the installation paths within LLVM.
1384 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1385 [Installation prefix directory])
1386 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1387 [Installation directory for binary executables])
1388 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1389 [Installation directory for libraries])
1390 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1391 [Installation directory for data files])
1392 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1393 [Installation directory for documentation])
1394 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1395 [Installation directory for config files])
1396 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1397 [Installation directory for include files])
1398 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1399 [Installation directory for .info files])
1400 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1401 [Installation directory for man pages])
1402 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1403 [Time at which LLVM was configured])
1404 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1405 [Host triple we were built on])
1407 # Determine which bindings to build.
1408 if test "$BINDINGS_TO_BUILD" = auto ; then
1409 BINDINGS_TO_BUILD=""
1410 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1411 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1414 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1416 # This isn't really configurey, but it avoids having to repeat the list in
1418 AC_SUBST(ALL_BINDINGS,ocaml)
1420 # Do any work necessary to ensure that bindings have what they need.
1421 binding_prereqs_failed=0
1422 for a_binding in $BINDINGS_TO_BUILD ; do
1423 case "$a_binding" in
1425 if test "x$OCAMLC" = x ; then
1426 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1427 binding_prereqs_failed=1
1429 if test "x$OCAMLDEP" = x ; then
1430 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1431 binding_prereqs_failed=1
1433 if test "x$OCAMLOPT" = x ; then
1434 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1435 dnl ocamlopt is optional!
1437 if test "x$with_ocaml_libdir" != xauto ; then
1438 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1440 ocaml_stdlib="`"$OCAMLC" -where`"
1441 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1443 # ocaml stdlib is beneath our prefix; use stdlib
1444 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1446 # ocaml stdlib is outside our prefix; use libdir/ocaml
1447 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1453 if test "$binding_prereqs_failed" = 1 ; then
1454 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1457 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1458 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1460 dnl Determine linker rpath flag
1461 if test "$llvm_cv_link_use_r" = "yes" ; then
1468 dnl Determine linker rdynamic flag
1469 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1470 RDYNAMIC="-Wl,-export-dynamic"
1476 dnl===-----------------------------------------------------------------------===
1478 dnl=== SECTION 10: Specify the output files and generate it
1480 dnl===-----------------------------------------------------------------------===
1482 dnl Configure header files
1483 dnl WARNING: dnl If you add or remove any of the following config headers, then
1484 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1485 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1486 dnl files can be updated automatically when their *.in sources change.
1487 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1488 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1489 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1490 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1491 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1492 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1494 dnl Configure the makefile's configuration data
1495 AC_CONFIG_FILES([Makefile.config])
1497 dnl Configure the RPM spec file for LLVM
1498 AC_CONFIG_FILES([llvm.spec])
1500 dnl Configure doxygen's configuration file
1501 AC_CONFIG_FILES([docs/doxygen.cfg])
1503 dnl Configure llvmc's Base plugin
1504 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1506 dnl Do the first stage of configuration for llvm-config.in.
1507 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1509 dnl Do special configuration of Makefiles
1510 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1511 AC_CONFIG_MAKEFILE(Makefile)
1512 AC_CONFIG_MAKEFILE(Makefile.common)
1513 AC_CONFIG_MAKEFILE(examples/Makefile)
1514 AC_CONFIG_MAKEFILE(lib/Makefile)
1515 AC_CONFIG_MAKEFILE(runtime/Makefile)
1516 AC_CONFIG_MAKEFILE(test/Makefile)
1517 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1518 AC_CONFIG_MAKEFILE(unittests/Makefile)
1519 AC_CONFIG_MAKEFILE(tools/Makefile)
1520 AC_CONFIG_MAKEFILE(utils/Makefile)
1521 AC_CONFIG_MAKEFILE(projects/Makefile)
1522 AC_CONFIG_MAKEFILE(bindings/Makefile)
1523 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1525 dnl Finally, crank out the output