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]],[[2.8svn]],[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) 2003-2010 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2010 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.
67 dnl One tricky part of doing this is that some projects depend upon other
68 dnl projects. For example, several projects rely upon the LLVM test suite.
69 dnl We want to configure those projects first so that their object trees are
70 dnl created before running the configure scripts of projects that depend upon
74 dnl Several projects use llvm-gcc, so configure that first
75 if test -d ${srcdir}/projects/llvm-gcc ; then
76 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
79 dnl Several projects use the LLVM test suite, so configure it next.
80 if test -d ${srcdir}/projects/test-suite ; then
81 AC_CONFIG_SUBDIRS([projects/test-suite])
84 dnl llvm-test is the old name of the test-suite, kept here for backwards
86 if test -d ${srcdir}/projects/llvm-test ; then
87 AC_CONFIG_SUBDIRS([projects/llvm-test])
90 dnl Some projects use poolalloc; configure that next
91 if test -d ${srcdir}/projects/poolalloc ; then
92 AC_CONFIG_SUBDIRS([projects/poolalloc])
95 if test -d ${srcdir}/projects/llvm-poolalloc ; then
96 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
99 dnl Check for all other projects
100 for i in `ls ${srcdir}/projects`
102 if test -d ${srcdir}/projects/${i} ; then
105 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
106 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
107 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
108 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
109 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
110 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
111 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
112 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
114 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
120 dnl===-----------------------------------------------------------------------===
122 dnl=== SECTION 2: Architecture, target, and host checks
124 dnl===-----------------------------------------------------------------------===
126 dnl Check the target for which we're compiling and the host that will do the
127 dnl compilations. This will tell us which LLVM compiler will be used for
128 dnl compiling SSA into object code. This needs to be done early because
129 dnl following tests depend on it.
132 dnl Determine the platform type and cache its value. This helps us configure
133 dnl the System library to the correct build platform.
134 AC_CACHE_CHECK([type of operating system we're going to host on],
138 llvm_cv_link_all_option="-Wl,--whole-archive"
139 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
140 llvm_cv_os_type="AIX"
141 llvm_cv_platform_type="Unix" ;;
143 llvm_cv_link_all_option="-Wl,--whole-archive"
144 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
145 llvm_cv_os_type="IRIX"
146 llvm_cv_platform_type="Unix" ;;
148 llvm_cv_link_all_option="-Wl,--whole-archive"
149 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
150 llvm_cv_os_type="Cygwin"
151 llvm_cv_platform_type="Unix" ;;
153 llvm_cv_link_all_option="-Wl,-all_load"
154 llvm_cv_no_link_all_option="-Wl,-noall_load"
155 llvm_cv_os_type="Darwin"
156 llvm_cv_platform_type="Unix" ;;
158 llvm_cv_link_all_option="-Wl,--whole-archive"
159 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
160 llvm_cv_os_type="FreeBSD"
161 llvm_cv_platform_type="Unix" ;;
163 llvm_cv_link_all_option="-Wl,--whole-archive"
164 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
165 llvm_cv_os_type="OpenBSD"
166 llvm_cv_platform_type="Unix" ;;
168 llvm_cv_link_all_option="-Wl,--whole-archive"
169 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
170 llvm_cv_os_type="NetBSD"
171 llvm_cv_platform_type="Unix" ;;
173 llvm_cv_link_all_option="-Wl,--whole-archive"
174 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
175 llvm_cv_os_type="DragonFly"
176 llvm_cv_platform_type="Unix" ;;
178 llvm_cv_link_all_option="-Wl,--whole-archive"
179 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
180 llvm_cv_os_type="HP-UX"
181 llvm_cv_platform_type="Unix" ;;
183 llvm_cv_link_all_option="-Wl,--whole-archive"
184 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
185 llvm_cv_os_type="Interix"
186 llvm_cv_platform_type="Unix" ;;
188 llvm_cv_link_all_option="-Wl,--whole-archive"
189 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
190 llvm_cv_os_type="Linux"
191 llvm_cv_platform_type="Unix" ;;
193 llvm_cv_link_all_option="-Wl,-z,allextract"
194 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
195 llvm_cv_os_type="SunOS"
196 llvm_cv_platform_type="Unix" ;;
198 llvm_cv_link_all_option="-Wl,-z,allextract"
199 llvm_cv_link_all_option="-Wl,-z,defaultextract"
200 llvm_cv_os_type="AuroraUX"
201 llvm_cv_platform_type="Unix" ;;
203 llvm_cv_link_all_option="-Wl,--whole-archive"
204 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
205 llvm_cv_os_type="Win32"
206 llvm_cv_platform_type="Win32" ;;
208 llvm_cv_link_all_option="-Wl,--whole-archive"
209 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
210 llvm_cv_os_type="MingW"
211 llvm_cv_platform_type="Win32" ;;
213 llvm_cv_link_all_option="-Wl,--whole-archive"
214 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
215 llvm_cv_os_type="Haiku"
216 llvm_cv_platform_type="Unix" ;;
218 llvm_cv_link_all_option="-Wl,--whole-archive"
219 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
220 llvm_cv_os_type="Freestanding"
221 llvm_cv_platform_type="Unix" ;;
223 llvm_cv_link_all_option="-Wl,--whole-archive"
224 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
225 llvm_cv_os_type="Freestanding"
226 llvm_cv_platform_type="Unix" ;;
228 llvm_cv_link_all_option=""
229 llvm_cv_no_link_all_option=""
230 llvm_cv_os_type="Unknown"
231 llvm_cv_platform_type="Unknown" ;;
234 AC_CACHE_CHECK([type of operating system we're going to target],
235 [llvm_cv_target_os_type],
238 llvm_cv_target_os_type="AIX" ;;
240 llvm_cv_target_os_type="IRIX" ;;
242 llvm_cv_target_os_type="Cygwin" ;;
244 llvm_cv_target_os_type="Darwin" ;;
246 llvm_cv_target_os_type="FreeBSD" ;;
248 llvm_cv_target_os_type="OpenBSD" ;;
250 llvm_cv_target_os_type="NetBSD" ;;
252 llvm_cv_target_os_type="DragonFly" ;;
254 llvm_cv_target_os_type="HP-UX" ;;
256 llvm_cv_target_os_type="Interix" ;;
258 llvm_cv_target_os_type="Linux" ;;
260 llvm_cv_target_os_type="SunOS" ;;
262 llvm_cv_target_os_type="AuroraUX" ;;
264 llvm_cv_target_os_type="Win32" ;;
266 llvm_cv_target_os_type="MingW" ;;
268 llvm_cv_target_os_type="Haiku" ;;
270 llvm_cv_target_os_type="Freestanding" ;;
272 llvm_cv_target_os_type="Unknown" ;;
275 dnl Make sure we aren't attempting to configure for an unknown system
276 if test "$llvm_cv_os_type" = "Unknown" ; then
277 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
280 dnl Set the "OS" Makefile variable based on the platform type so the
281 dnl makefile can configure itself to specific build hosts
282 AC_SUBST(OS,$llvm_cv_os_type)
283 AC_SUBST(HOST_OS,$llvm_cv_os_type)
284 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
286 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
287 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
288 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
290 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
291 dnl This is used by lib/System to determine the basic kind of implementation
293 case $llvm_cv_platform_type in
295 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
296 AC_SUBST(LLVM_ON_UNIX,[1])
297 AC_SUBST(LLVM_ON_WIN32,[0])
300 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
301 AC_SUBST(LLVM_ON_UNIX,[0])
302 AC_SUBST(LLVM_ON_WIN32,[1])
306 dnl Determine what our target architecture is and configure accordingly.
307 dnl This will allow Makefiles to make a distinction between the hardware and
309 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
311 i?86-*) llvm_cv_target_arch="x86" ;;
312 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
313 sparc*-*) llvm_cv_target_arch="Sparc" ;;
314 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
315 alpha*-*) llvm_cv_target_arch="Alpha" ;;
316 arm*-*) llvm_cv_target_arch="ARM" ;;
317 mips-*) llvm_cv_target_arch="Mips" ;;
318 pic16-*) llvm_cv_target_arch="PIC16" ;;
319 xcore-*) llvm_cv_target_arch="XCore" ;;
320 msp430-*) llvm_cv_target_arch="MSP430" ;;
321 s390x-*) llvm_cv_target_arch="SystemZ" ;;
322 bfin-*) llvm_cv_target_arch="Blackfin" ;;
323 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
324 *) llvm_cv_target_arch="Unknown" ;;
327 if test "$llvm_cv_target_arch" = "Unknown" ; then
328 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
331 # Determine the LLVM native architecture for the target
332 case "$llvm_cv_target_arch" in
333 x86) LLVM_NATIVE_ARCH="X86" ;;
334 x86_64) LLVM_NATIVE_ARCH="X86" ;;
335 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
338 dnl Define a substitution, ARCH, for the target architecture
339 AC_SUBST(ARCH,$llvm_cv_target_arch)
341 dnl Check for the endianness of the target
342 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
344 dnl Check for build platform executable suffix if we're crosscompiling
345 if test "$cross_compiling" = yes; then
346 AC_SUBST(LLVM_CROSS_COMPILING, [1])
348 ac_build_prefix=${build_alias}-
349 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
350 if test -z "$BUILD_CXX"; then
351 AC_CHECK_PROG(BUILD_CXX, g++, g++)
352 if test -z "$BUILD_CXX"; then
353 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
357 AC_SUBST(LLVM_CROSS_COMPILING, [0])
360 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
361 dnl that this build is being done from a checkout. This sets up several
362 dnl defaults for the command line switches. When we build with a CVS directory,
363 dnl we get a debug with assertions turned on. Without, we assume a source
364 dnl release and we get an optimized build without assertions.
365 dnl See --enable-optimized and --enable-assertions below
366 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
369 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
375 dnl===-----------------------------------------------------------------------===
377 dnl=== SECTION 3: Command line arguments for the configure script.
379 dnl===-----------------------------------------------------------------------===
381 dnl --enable-optimized : check whether they want to do an optimized build:
382 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
383 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
384 if test ${enableval} = "no" ; then
385 AC_SUBST(ENABLE_OPTIMIZED,[[]])
387 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
390 dnl --enable-profiling : check whether they want to do a profile build:
391 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
392 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
393 if test ${enableval} = "no" ; then
394 AC_SUBST(ENABLE_PROFILING,[[]])
396 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
399 dnl --enable-assertions : check whether they want to turn on assertions or not:
400 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
401 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
402 if test ${enableval} = "yes" ; then
403 AC_SUBST(DISABLE_ASSERTIONS,[[]])
405 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
408 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
409 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
410 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
411 if test ${enableval} = "yes" ; then
412 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
413 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
415 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
416 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
419 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
420 AC_ARG_ENABLE(debug-runtime,
421 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
422 if test ${enableval} = "no" ; then
423 AC_SUBST(DEBUG_RUNTIME,[[]])
425 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
428 dnl --enable-debug-symbols : should even optimized compiler libraries
429 dnl have debug symbols?
430 AC_ARG_ENABLE(debug-symbols,
431 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)
432 if test ${enableval} = "no" ; then
433 AC_SUBST(DEBUG_SYMBOLS,[[]])
435 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
438 dnl --enable-jit: check whether they want to enable the jit
440 AS_HELP_STRING(--enable-jit,
441 [Enable Just In Time Compiling (default is YES)]),,
443 if test ${enableval} = "no"
447 case "$llvm_cv_target_arch" in
448 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
449 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
450 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
451 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
452 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
453 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
454 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
455 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
456 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
457 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
458 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
459 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
460 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
461 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
465 dnl Allow enablement of doxygen generated documentation
466 AC_ARG_ENABLE(doxygen,
467 AS_HELP_STRING([--enable-doxygen],
468 [Build doxygen documentation (default is NO)]),,
471 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
472 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
473 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
474 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
477 dnl Allow disablement of threads
478 AC_ARG_ENABLE(threads,
479 AS_HELP_STRING([--enable-threads],
480 [Use threads if available (default is YES)]),,
483 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
484 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
485 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
486 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
488 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
490 dnl Allow building without position independent code
492 AS_HELP_STRING([--enable-pic],
493 [Build LLVM with Position Independent Code (default is YES)]),,
496 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
497 no) AC_SUBST(ENABLE_PIC,[0]) ;;
498 default) AC_SUBST(ENABLE_PIC,[1]) ;;
499 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
501 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
502 [Define if position independent code is enabled])
504 dnl Allow building a shared library and linking tools against it.
505 AC_ARG_ENABLE(shared,
506 AS_HELP_STRING([--enable-shared],
507 [Build a shared library and link tools against it (default is NO)]),,
510 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
511 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
512 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
513 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
516 dnl Allow specific targets to be specified for building (or not)
518 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
519 [Build specific host targets: all or target1,target2,... Valid targets are:
520 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
521 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
523 if test "$enableval" = host-only ; then
527 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend MBlaze" ;;
528 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
530 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
531 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
532 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
533 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
534 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
535 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
536 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
537 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
538 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
539 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
540 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
541 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
542 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
543 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
544 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
545 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
546 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
547 host) case "$llvm_cv_target_arch" in
548 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
549 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
550 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
551 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
552 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
553 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
554 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
555 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
556 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
557 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
558 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
559 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
560 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
561 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
562 *) AC_MSG_ERROR([Can not set target to build]) ;;
564 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
569 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
571 # Determine whether we are building LLVM support for the native architecture.
572 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
573 for a_target in $TARGETS_TO_BUILD; do
574 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
575 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
576 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
577 [LLVM architecture name for the native architecture, if available])
581 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
582 # target feature def files.
584 LLVM_ENUM_ASM_PRINTERS=""
585 LLVM_ENUM_ASM_PARSERS=""
586 LLVM_ENUM_DISASSEMBLERS=""
587 for target_to_build in $TARGETS_TO_BUILD; do
588 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
589 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
590 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
592 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
593 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
595 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
596 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
599 AC_SUBST(LLVM_ENUM_TARGETS)
600 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
601 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
602 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
604 dnl Prevent the CBackend from using printf("%a") for floating point so older
605 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
606 dnl can still compile the CBE's output
607 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
608 [Enable C Backend output with hex floating point via %a (default is YES)]),,
611 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
612 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
613 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
614 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
616 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
617 [Define if CBE is enabled for printf %a output])
619 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
620 AC_ARG_WITH(llvmgccdir,
621 AS_HELP_STRING([--with-llvmgccdir],
622 [Specify location of llvm-gcc install dir (default searches PATH)]),,
625 default) WITH_LLVMGCCDIR=default ;;
626 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
627 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
630 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
632 AS_HELP_STRING([--with-llvmgcc],
633 [Specify location of llvm-gcc driver (default searches PATH)]),
634 LLVMGCC=$with_llvmgcc
637 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
639 AS_HELP_STRING([--with-llvmgxx],
640 [Specify location of llvm-g++ driver (default searches PATH)]),
641 LLVMGXX=$with_llvmgxx
644 if test -n "$LLVMGCC"; then
645 LLVMGCCCOMMAND="$LLVMGCC"
648 if test -n "$LLVMGXX"; then
649 LLVMGXXCOMMAND="$LLVMGXX"
652 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
653 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
656 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
657 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
660 dnl Allow a specific Clang compiler to be used with this LLVM config.
662 AS_HELP_STRING([--with-clang],
663 [Specify location of clang compiler (default is --with-built-clang)]),
664 [],[with_clang=default])
666 dnl Enable use of the built Clang.
667 AC_ARG_WITH(built-clang,
668 AS_HELP_STRING([--with-built-clang],
669 [Use the compiled Clang as the LLVM compiler (default=check)]),
670 [],[with_built_clang=check])
672 dnl Select the Clang compiler option.
674 dnl If --with-clang is given, always honor that; otherwise honor
675 dnl --with-built-clang, or check if we have the clang sources.
676 AC_MSG_CHECKING([clang compiler])
679 if test "$with_clang" != "default"; then
680 WITH_CLANGPATH="$with_clang"
681 if ! test -x "$WITH_CLANGPATH"; then
682 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
684 elif test "$with_built_clang" = "yes"; then
686 elif test "$with_built_clang" = "no"; then
689 if test "$with_built_clang" != "check"; then
690 AC_MSG_ERROR([invalid value for --with-built-clang.])
693 if test -f ${srcdir}/tools/clang/README.txt; then
698 if ! test -z "$WITH_CLANGPATH"; then
699 AC_MSG_RESULT([$WITH_CLANGPATH])
700 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
701 elif test "$WITH_BUILT_CLANG" = "1"; then
702 AC_MSG_RESULT([built])
704 AC_MSG_RESULT([none])
706 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
707 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
708 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
710 dnl Override the option to use for optimized builds.
711 AC_ARG_WITH(optimize-option,
712 AS_HELP_STRING([--with-optimize-option],
713 [Select the compiler options to use for optimized builds]),,
715 AC_MSG_CHECKING([optimization flags])
718 case "$llvm_cv_os_type" in
719 MingW) optimize_option=-O3 ;;
720 *) optimize_option=-O2 ;;
722 *) optimize_option="$withval" ;;
724 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
725 AC_MSG_RESULT([$optimize_option])
727 dnl Specify extra build options
728 AC_ARG_WITH(extra-options,
729 AS_HELP_STRING([--with-extra-options],
730 [Specify additional options to compile LLVM with]),,
733 default) EXTRA_OPTIONS= ;;
734 *) EXTRA_OPTIONS=$withval ;;
736 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
738 dnl Allow specific bindings to be specified for building (or not)
739 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
740 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
744 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
745 all ) BINDINGS_TO_BUILD="ocaml" ;;
746 none | no) BINDINGS_TO_BUILD="" ;;
747 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
749 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
750 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
756 dnl Allow the ocaml libdir to be overridden. This could go in a configure
757 dnl script for bindings/ocaml/configure, except that its auto value depends on
758 dnl OCAMLC, which is found here to support tests.
759 AC_ARG_WITH([ocaml-libdir],
760 [AS_HELP_STRING([--with-ocaml-libdir],
761 [Specify install location for ocaml bindings (default is stdlib)])],
765 auto) with_ocaml_libdir="$withval" ;;
766 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
767 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
770 AC_ARG_WITH(c-include-dirs,
771 AS_HELP_STRING([--with-c-include-dirs],
772 [Colon separated list of directories clang will search for headers]),,
774 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
775 [Directories clang will search for headers])
777 AC_ARG_WITH(cxx-include-root,
778 AS_HELP_STRING([--with-cxx-include-root],
779 [Directory with the libstdc++ headers.]),,
781 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
782 [Directory with the libstdc++ headers.])
784 AC_ARG_WITH(cxx-include-arch,
785 AS_HELP_STRING([--with-cxx-include-arch],
786 [Architecture of the libstdc++ headers.]),,
788 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
789 [Arch the libstdc++ headers.])
791 AC_ARG_WITH(cxx-include-32bit-dir,
792 AS_HELP_STRING([--with-cxx-include-32bit-dir],
793 [32 bit multilib dir.]),,
795 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
796 [32 bit multilib directory.])
798 AC_ARG_WITH(cxx-include-64bit-dir,
799 AS_HELP_STRING([--with-cxx-include-64bit-dir],
800 [64 bit multilib directory.]),,
802 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
803 [64 bit multilib directory.])
805 dnl Allow linking of LLVM with GPLv3 binutils code.
806 AC_ARG_WITH(binutils-include,
807 AS_HELP_STRING([--with-binutils-include],
808 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
811 default) WITH_BINUTILS_INCDIR=default ;;
812 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
813 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
815 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
816 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
817 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
818 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
819 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
823 dnl --enable-libffi : check whether the user wants to turn off libffi:
824 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
825 --enable-libffi,[Check for the presence of libffi (default is NO)]),
826 [case "$enableval" in
827 yes) llvm_cv_enable_libffi="yes" ;;
828 no) llvm_cv_enable_libffi="no" ;;
829 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
831 llvm_cv_enable_libffi=no)
833 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
834 if test "$llvm_cv_os_type" = "Win32" ; then
840 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
841 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
842 --enable-llvmc-dynamic,
843 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
844 enableval=$llvmc_dynamic)
845 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
846 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
848 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
851 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
852 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
853 --enable-llvmc-dynamic-plugins,
854 [Enable dynamic LLVMC plugins (default is YES)]),,
856 if test ${enableval} = "yes" ; then
857 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
859 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
862 dnl===-----------------------------------------------------------------------===
864 dnl=== SECTION 4: Check for programs we need and that they are the right version
866 dnl===-----------------------------------------------------------------------===
868 dnl Check for compilation tools
876 dnl Check for the tools that the makefiles require
879 AC_PATH_PROG(CMP, [cmp], [cmp])
880 AC_PATH_PROG(CP, [cp], [cp])
881 AC_PATH_PROG(DATE, [date], [date])
882 AC_PATH_PROG(FIND, [find], [find])
883 AC_PATH_PROG(GREP, [grep], [grep])
884 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
885 AC_PATH_PROG(MV, [mv], [mv])
887 AC_CHECK_TOOL(AR, ar, false)
888 AC_PATH_PROG(RM, [rm], [rm])
889 AC_PATH_PROG(SED, [sed], [sed])
890 AC_PATH_PROG(TAR, [tar], [gtar])
891 AC_PATH_PROG(BINPWD,[pwd], [pwd])
893 dnl Looking for misc. graph plotting software
894 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
895 if test "$GRAPHVIZ" != "echo Graphviz" ; then
896 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
897 dnl If we're targeting for mingw we should emit windows paths, not msys
898 if test "$llvm_cv_os_type" = "MingW" ; then
899 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
901 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
902 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
904 AC_PATH_PROG(DOT, [dot], [echo dot])
905 if test "$DOT" != "echo dot" ; then
906 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
907 dnl If we're targeting for mingw we should emit windows paths, not msys
908 if test "$llvm_cv_os_type" = "MingW" ; then
909 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
911 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
912 [Define to path to dot program if found or 'echo dot' otherwise])
914 AC_PATH_PROG(FDP, [fdp], [echo fdp])
915 if test "$FDP" != "echo fdp" ; then
916 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
917 dnl If we're targeting for mingw we should emit windows paths, not msys
918 if test "$llvm_cv_os_type" = "MingW" ; then
919 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
921 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
922 [Define to path to fdp program if found or 'echo fdp' otherwise])
924 AC_PATH_PROG(NEATO, [neato], [echo neato])
925 if test "$NEATO" != "echo neato" ; then
926 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
927 dnl If we're targeting for mingw we should emit windows paths, not msys
928 if test "$llvm_cv_os_type" = "MingW" ; then
929 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
931 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
932 [Define to path to neato program if found or 'echo neato' otherwise])
934 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
935 if test "$TWOPI" != "echo twopi" ; then
936 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
937 dnl If we're targeting for mingw we should emit windows paths, not msys
938 if test "$llvm_cv_os_type" = "MingW" ; then
939 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
941 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
942 [Define to path to twopi program if found or 'echo twopi' otherwise])
944 AC_PATH_PROG(CIRCO, [circo], [echo circo])
945 if test "$CIRCO" != "echo circo" ; then
946 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
947 dnl If we're targeting for mingw we should emit windows paths, not msys
948 if test "$llvm_cv_os_type" = "MingW" ; then
949 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
951 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
952 [Define to path to circo program if found or 'echo circo' otherwise])
954 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
955 if test "$GV" != "echo gv" ; then
956 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
957 dnl If we're targeting for mingw we should emit windows paths, not msys
958 if test "$llvm_cv_os_type" = "MingW" ; then
959 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
961 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
962 [Define to path to gv program if found or 'echo gv' otherwise])
964 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
965 if test "$DOTTY" != "echo dotty" ; then
966 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
967 dnl If we're targeting for mingw we should emit windows paths, not msys
968 if test "$llvm_cv_os_type" = "MingW" ; then
969 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
971 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
972 [Define to path to dotty program if found or 'echo dotty' otherwise])
975 dnl Look for a sufficiently recent version of Perl.
976 LLVM_PROG_PERL([5.006])
978 if test x"$PERL" = xnone; then
979 AC_SUBST(HAVE_PERL,0)
980 AC_MSG_ERROR([perl is required but was not found, please install it])
982 AC_SUBST(HAVE_PERL,1)
985 dnl Find the install program
988 dnl Checks for documentation and testing tools that we can do without. If these
989 dnl are not found then they are set to "true" which always succeeds but does
990 dnl nothing. This just lets the build output show that we could have done
991 dnl something if the tool was available.
992 AC_PATH_PROG(BZIP2, [bzip2])
993 AC_PATH_PROG(DOXYGEN, [doxygen])
994 AC_PATH_PROG(GROFF, [groff])
995 AC_PATH_PROG(GZIP, [gzip])
996 AC_PATH_PROG(POD2HTML, [pod2html])
997 AC_PATH_PROG(POD2MAN, [pod2man])
998 AC_PATH_PROG(RUNTEST, [runtest])
1000 AC_PATH_PROG(ZIP, [zip])
1001 AC_PATH_PROGS(OCAMLC, [ocamlc])
1002 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1003 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1004 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1005 AC_PATH_PROGS(GAS, [gas as])
1007 dnl Determine whether the linker supports the -R option.
1010 dnl Determine whether the linker supports the -export-dynamic option.
1011 AC_LINK_EXPORT_DYNAMIC
1013 dnl Check for libtool and the library that has dlopen function (which must come
1014 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1019 if test "$WITH_LLVMGCCDIR" = "default" ; then
1020 LLVMGCC="llvm-gcc${EXEEXT}"
1021 LLVMGXX="llvm-g++${EXEEXT}"
1022 LLVMGCCCOMMAND="$LLVMGCC"
1023 LLVMGXXCOMMAND="$LLVMGXX"
1024 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1025 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1026 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1027 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1029 if test -z "$LLVMGCC"; then
1030 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1031 LLVMGCCCOMMAND="$LLVMGCC"
1033 if test -z "$LLVMGXX"; then
1034 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1035 LLVMGXXCOMMAND="$LLVMGXX"
1038 AC_SUBST(LLVMGCC,$LLVMGCC)
1039 AC_SUBST(LLVMGXX,$LLVMGXX)
1040 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1041 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1044 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1045 dnl found, otherwise clang if available.
1047 AS_HELP_STRING([--with-llvmcc=<name>],
1048 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1049 [],[with_llvmcc=check])
1050 AC_MSG_CHECKING([LLVM capable compiler])
1051 if test "$with_llvmcc" != "check"; then
1052 if (test "$with_llvmcc" != "llvm-gcc" &&
1053 test "$with_llvmcc" != "clang" &&
1054 test "$with_llvmcc" != "none"); then
1055 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1057 WITH_LLVMCC="$with_llvmcc"
1058 elif test -n "$LLVMGCC"; then
1059 WITH_LLVMCC=llvm-gcc
1060 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1065 AC_MSG_RESULT([$WITH_LLVMCC])
1066 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1068 AC_MSG_CHECKING([tool compatibility])
1070 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1071 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1072 dnl to support those options.
1073 dnl "icc" emits gcc signatures
1074 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1086 if test "$GCC" != "yes" && test "$ICC" != "yes"
1088 AC_MSG_ERROR([gcc|icc required but not found])
1091 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
1092 if test "$GXX" != "yes" && test "$IXX" != "yes"
1094 AC_MSG_ERROR([g++|icc required but not found])
1097 dnl Verify that GCC is version 3.0 or higher
1098 if test "$GCC" = "yes"
1100 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1101 #error Unsupported GCC version
1103 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1106 dnl Check for GNU Make. We use its extensions, so don't build without it
1107 if test -z "$llvm_cv_gnu_make_command"
1109 AC_MSG_ERROR([GNU Make required but not found])
1112 dnl Tool compatibility is okay if we make it here.
1115 dnl Check optional compiler flags.
1116 AC_MSG_CHECKING([optional compiler flags])
1117 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1118 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1119 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1121 dnl===-----------------------------------------------------------------------===
1123 dnl=== SECTION 5: Check for libraries
1125 dnl===-----------------------------------------------------------------------===
1128 if test "$llvm_cv_os_type" = "MingW" ; then
1129 AC_CHECK_LIB(imagehlp, main)
1130 AC_CHECK_LIB(psapi, main)
1133 dnl dlopen() is required for plugin support.
1134 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1135 [Define if dlopen() is available on this platform.]),
1136 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1138 dnl libffi is optional; used to call external functions from the interpreter
1139 if test "$llvm_cv_enable_libffi" = "yes" ; then
1140 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1141 [Define if libffi is available on this platform.]),
1142 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1145 dnl mallinfo is optional; the code can compile (minus features) without it
1146 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1147 [Define if mallinfo() is available on this platform.]))
1149 dnl pthread locking functions are optional - but llvm will not be thread-safe
1151 if test "$ENABLE_THREADS" -eq 1 ; then
1152 AC_CHECK_LIB(pthread, pthread_mutex_init)
1153 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1154 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1155 [Have pthread_mutex_lock]))
1156 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1157 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1158 [Have pthread_rwlock_init]))
1159 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1160 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1161 [Have pthread_getspecific]))
1164 dnl Allow extra x86-disassembler library
1166 AS_HELP_STRING([--with-udis86=<path>],
1167 [Use udis86 external x86 disassembler library]),
1169 AC_SUBST(USE_UDIS86, [1])
1172 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1174 AC_CHECK_LIB(udis86, ud_init, [], [
1175 echo "Error! You need to have libudis86 around."
1179 AC_SUBST(USE_UDIS86, [0]))
1180 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1181 [Define if use udis86 library])
1183 dnl Allow OProfile support for JIT output.
1184 AC_ARG_WITH(oprofile,
1185 AS_HELP_STRING([--with-oprofile=<prefix>],
1186 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1188 AC_SUBST(USE_OPROFILE, [1])
1190 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1192 AC_SUBST(USE_OPROFILE, [0]) ;;
1193 *) llvm_cv_oppath="${withval}/lib/oprofile"
1194 CPPFLAGS="-I${withval}/include";;
1196 if test -n "$llvm_cv_oppath" ; then
1197 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1198 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1199 dnl libbfd is not included properly in libopagent in some Debian
1200 dnl versions. If libbfd isn't found at all, we assume opagent works
1202 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1203 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1204 echo "Error! You need to have libopagent around."
1207 AC_CHECK_HEADER([opagent.h], [], [
1208 echo "Error! You need to have opagent.h around."
1214 AC_SUBST(USE_OPROFILE, [0])
1216 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1217 [Define if we have the oprofile JIT-support library])
1219 dnl===-----------------------------------------------------------------------===
1221 dnl=== SECTION 6: Check for header files
1223 dnl===-----------------------------------------------------------------------===
1225 dnl First, use autoconf provided macros for specific headers that we need
1226 dnl We don't check for ancient stuff or things that are guaranteed to be there
1227 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1228 dnl Generally we're looking for POSIX headers.
1230 AC_HEADER_MMAP_ANONYMOUS
1236 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1237 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1238 AC_CHECK_HEADERS([utime.h windows.h])
1239 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1240 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1241 AC_CHECK_HEADERS([valgrind/valgrind.h])
1242 if test "$ENABLE_THREADS" -eq 1 ; then
1243 AC_CHECK_HEADERS(pthread.h,
1244 AC_SUBST(HAVE_PTHREAD, 1),
1245 AC_SUBST(HAVE_PTHREAD, 0))
1247 AC_SUBST(HAVE_PTHREAD, 0)
1250 dnl Try to find ffi.h.
1251 if test "$llvm_cv_enable_libffi" = "yes" ; then
1252 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1255 dnl===-----------------------------------------------------------------------===
1257 dnl=== SECTION 7: Check for types and structures
1259 dnl===-----------------------------------------------------------------------===
1264 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1266 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1267 AC_CHECK_TYPES([uint64_t],,
1268 AC_CHECK_TYPES([u_int64_t],,
1269 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1271 dnl===-----------------------------------------------------------------------===
1273 dnl=== SECTION 8: Check for specific functions needed
1275 dnl===-----------------------------------------------------------------------===
1277 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1278 AC_CHECK_FUNCS([powf fmodf strtof round ])
1279 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1280 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1281 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1282 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1283 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1284 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1288 dnl Check for variations in the Standard C++ library and STL. These macros are
1289 dnl provided by LLVM in the autoconf/m4 directory.
1293 dnl Check for mmap support.We also need to know if /dev/zero is required to
1294 dnl be opened for allocating RWX memory.
1295 dnl Make sure we aren't attempting to configure for an unknown system
1296 if test "$llvm_cv_platform_type" = "Unix" ; then
1299 AC_NEED_DEV_ZERO_FOR_MMAP
1301 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1303 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1305 if test "$ac_cv_func_mmap_file" = "no"
1307 AC_MSG_WARN([mmap() of files required but not found])
1311 dnl atomic builtins are required for threading support.
1312 AC_MSG_CHECKING(for GCC atomic builtins)
1316 volatile unsigned long val = 1;
1317 __sync_synchronize();
1318 __sync_val_compare_and_swap(&val, 1, 0);
1319 __sync_add_and_fetch(&val, 1);
1320 __sync_sub_and_fetch(&val, 1);
1325 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1327 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1328 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1331 dnl===-----------------------------------------------------------------------===
1333 dnl=== SECTION 9: Additional checks, variables, etc.
1335 dnl===-----------------------------------------------------------------------===
1337 dnl Handle 32-bit linux systems running a 64-bit kernel.
1338 dnl This has to come after section 4 because it invokes the compiler.
1339 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1341 if test "$llvm_cv_linux_mixed" = "yes"; then
1342 llvm_cv_target_arch="x86"
1347 dnl Check, whether __dso_handle is present
1348 AC_CHECK_FUNCS([__dso_handle])
1350 dnl See if the llvm-gcc executable can compile to LLVM assembly
1351 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1352 [llvm_cv_llvmgcc_sanity="no"
1353 if test -x "$LLVMGCC" ; then
1354 cp /dev/null conftest.c
1355 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1356 grep 'target datalayout =' > /dev/null 2>&1
1357 if test $? -eq 0 ; then
1358 llvm_cv_llvmgcc_sanity="yes"
1363 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1364 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1365 AC_MSG_CHECKING([llvm-gcc component support])
1366 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1367 AC_SUBST(LLVMCC1,$llvmcc1path)
1368 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1369 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1370 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1371 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1372 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1373 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1377 dnl Propagate the shared library extension that the libltdl checks did to
1378 dnl the Makefiles so we can use it there too
1379 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1381 dnl Propagate the run-time library path variable that the libltdl
1382 dnl checks found to the Makefiles so we can use it there too
1383 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1385 # Translate the various configuration directories and other basic
1386 # information into substitutions that will end up in Makefile.config.in
1387 # that these configured values can be used by the makefiles
1388 if test "${prefix}" = "NONE" ; then
1391 eval LLVM_PREFIX="${prefix}";
1392 eval LLVM_BINDIR="${prefix}/bin";
1393 eval LLVM_LIBDIR="${prefix}/lib";
1394 eval LLVM_DATADIR="${prefix}/share/llvm";
1395 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1396 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1397 eval LLVM_INCLUDEDIR="${prefix}/include";
1398 eval LLVM_INFODIR="${prefix}/info";
1399 eval LLVM_MANDIR="${prefix}/man";
1400 LLVM_CONFIGTIME=`date`
1401 AC_SUBST(LLVM_PREFIX)
1402 AC_SUBST(LLVM_BINDIR)
1403 AC_SUBST(LLVM_LIBDIR)
1404 AC_SUBST(LLVM_DATADIR)
1405 AC_SUBST(LLVM_DOCSDIR)
1406 AC_SUBST(LLVM_ETCDIR)
1407 AC_SUBST(LLVM_INCLUDEDIR)
1408 AC_SUBST(LLVM_INFODIR)
1409 AC_SUBST(LLVM_MANDIR)
1410 AC_SUBST(LLVM_CONFIGTIME)
1412 # Place the various directores into the config.h file as #defines so that we
1413 # can know about the installation paths within LLVM.
1414 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1415 [Installation prefix directory])
1416 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1417 [Installation directory for binary executables])
1418 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1419 [Installation directory for libraries])
1420 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1421 [Installation directory for data files])
1422 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1423 [Installation directory for documentation])
1424 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1425 [Installation directory for config files])
1426 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1427 [Installation directory for include files])
1428 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1429 [Installation directory for .info files])
1430 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1431 [Installation directory for man pages])
1432 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1433 [Time at which LLVM was configured])
1434 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1435 [Host triple we were built on])
1437 # Determine which bindings to build.
1438 if test "$BINDINGS_TO_BUILD" = auto ; then
1439 BINDINGS_TO_BUILD=""
1440 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1441 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1444 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1446 # This isn't really configurey, but it avoids having to repeat the list in
1448 AC_SUBST(ALL_BINDINGS,ocaml)
1450 # Do any work necessary to ensure that bindings have what they need.
1451 binding_prereqs_failed=0
1452 for a_binding in $BINDINGS_TO_BUILD ; do
1453 case "$a_binding" in
1455 if test "x$OCAMLC" = x ; then
1456 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1457 binding_prereqs_failed=1
1459 if test "x$OCAMLDEP" = x ; then
1460 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1461 binding_prereqs_failed=1
1463 if test "x$OCAMLOPT" = x ; then
1464 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1465 dnl ocamlopt is optional!
1467 if test "x$with_ocaml_libdir" != xauto ; then
1468 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1470 ocaml_stdlib="`"$OCAMLC" -where`"
1471 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1473 # ocaml stdlib is beneath our prefix; use stdlib
1474 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1476 # ocaml stdlib is outside our prefix; use libdir/ocaml
1477 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1483 if test "$binding_prereqs_failed" = 1 ; then
1484 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1487 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1488 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1490 dnl Determine linker rpath flag
1491 if test "$llvm_cv_link_use_r" = "yes" ; then
1498 dnl Determine linker rdynamic flag
1499 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1500 RDYNAMIC="-Wl,-export-dynamic"
1506 dnl===-----------------------------------------------------------------------===
1508 dnl=== SECTION 10: Specify the output files and generate it
1510 dnl===-----------------------------------------------------------------------===
1512 dnl Configure header files
1513 dnl WARNING: dnl If you add or remove any of the following config headers, then
1514 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1515 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1516 dnl files can be updated automatically when their *.in sources change.
1517 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1518 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1519 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1520 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1521 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1522 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1524 dnl Configure the makefile's configuration data
1525 AC_CONFIG_FILES([Makefile.config])
1527 dnl Configure the RPM spec file for LLVM
1528 AC_CONFIG_FILES([llvm.spec])
1530 dnl Configure doxygen's configuration file
1531 AC_CONFIG_FILES([docs/doxygen.cfg])
1533 dnl Configure llvmc's Base plugin
1534 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1536 dnl Do the first stage of configuration for llvm-config.in.
1537 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1539 dnl Do special configuration of Makefiles
1540 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1541 AC_CONFIG_MAKEFILE(Makefile)
1542 AC_CONFIG_MAKEFILE(Makefile.common)
1543 AC_CONFIG_MAKEFILE(examples/Makefile)
1544 AC_CONFIG_MAKEFILE(lib/Makefile)
1545 AC_CONFIG_MAKEFILE(runtime/Makefile)
1546 AC_CONFIG_MAKEFILE(test/Makefile)
1547 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1548 AC_CONFIG_MAKEFILE(unittests/Makefile)
1549 AC_CONFIG_MAKEFILE(tools/Makefile)
1550 AC_CONFIG_MAKEFILE(utils/Makefile)
1551 AC_CONFIG_MAKEFILE(projects/Makefile)
1552 AC_CONFIG_MAKEFILE(bindings/Makefile)
1553 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1555 dnl Finally, crank out the output