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 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
84 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
86 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
92 dnl===-----------------------------------------------------------------------===
94 dnl=== SECTION 2: Architecture, target, and host checks
96 dnl===-----------------------------------------------------------------------===
98 dnl Check the target for which we're compiling and the host that will do the
99 dnl compilations. This will tell us which LLVM compiler will be used for
100 dnl compiling SSA into object code. This needs to be done early because
101 dnl following tests depend on it.
104 dnl Determine the platform type and cache its value. This helps us configure
105 dnl the System library to the correct build platform.
106 AC_CACHE_CHECK([type of operating system we're going to host on],
110 llvm_cv_link_all_option="-Wl,--whole-archive"
111 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
112 llvm_cv_os_type="AIX"
113 llvm_cv_platform_type="Unix" ;;
115 llvm_cv_link_all_option="-Wl,--whole-archive"
116 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
117 llvm_cv_os_type="IRIX"
118 llvm_cv_platform_type="Unix" ;;
120 llvm_cv_link_all_option="-Wl,--whole-archive"
121 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
122 llvm_cv_os_type="Cygwin"
123 llvm_cv_platform_type="Unix" ;;
125 llvm_cv_link_all_option="-Wl,-all_load"
126 llvm_cv_no_link_all_option="-Wl,-noall_load"
127 llvm_cv_os_type="Darwin"
128 llvm_cv_platform_type="Unix" ;;
130 llvm_cv_link_all_option="-Wl,--whole-archive"
131 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
132 llvm_cv_os_type="FreeBSD"
133 llvm_cv_platform_type="Unix" ;;
135 llvm_cv_link_all_option="-Wl,--whole-archive"
136 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
137 llvm_cv_os_type="OpenBSD"
138 llvm_cv_platform_type="Unix" ;;
140 llvm_cv_link_all_option="-Wl,--whole-archive"
141 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
142 llvm_cv_os_type="NetBSD"
143 llvm_cv_platform_type="Unix" ;;
145 llvm_cv_link_all_option="-Wl,--whole-archive"
146 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
147 llvm_cv_os_type="DragonFly"
148 llvm_cv_platform_type="Unix" ;;
150 llvm_cv_link_all_option="-Wl,--whole-archive"
151 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
152 llvm_cv_os_type="HP-UX"
153 llvm_cv_platform_type="Unix" ;;
155 llvm_cv_link_all_option="-Wl,--whole-archive"
156 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
157 llvm_cv_os_type="Interix"
158 llvm_cv_platform_type="Unix" ;;
160 llvm_cv_link_all_option="-Wl,--whole-archive"
161 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
162 llvm_cv_os_type="Linux"
163 llvm_cv_platform_type="Unix" ;;
165 llvm_cv_link_all_option="-Wl,-z,allextract"
166 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
167 llvm_cv_os_type="SunOS"
168 llvm_cv_platform_type="Unix" ;;
170 llvm_cv_link_all_option="-Wl,-z,allextract"
171 llvm_cv_link_all_option="-Wl,-z,defaultextract"
172 llvm_cv_os_type="AuroraUX"
173 llvm_cv_platform_type="Unix" ;;
175 llvm_cv_link_all_option="-Wl,--whole-archive"
176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
177 llvm_cv_os_type="Win32"
178 llvm_cv_platform_type="Win32" ;;
180 llvm_cv_link_all_option="-Wl,--whole-archive"
181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
182 llvm_cv_os_type="MingW"
183 llvm_cv_platform_type="Win32" ;;
185 llvm_cv_link_all_option="-Wl,--whole-archive"
186 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
187 llvm_cv_os_type="Haiku"
188 llvm_cv_platform_type="Unix" ;;
190 llvm_cv_link_all_option="-Wl,--whole-archive"
191 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
192 llvm_cv_os_type="Freestanding"
193 llvm_cv_platform_type="Unix" ;;
195 llvm_cv_link_all_option="-Wl,--whole-archive"
196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
197 llvm_cv_os_type="Freestanding"
198 llvm_cv_platform_type="Unix" ;;
200 llvm_cv_link_all_option=""
201 llvm_cv_no_link_all_option=""
202 llvm_cv_os_type="Unknown"
203 llvm_cv_platform_type="Unknown" ;;
206 AC_CACHE_CHECK([type of operating system we're going to target],
207 [llvm_cv_target_os_type],
210 llvm_cv_target_os_type="AIX" ;;
212 llvm_cv_target_os_type="IRIX" ;;
214 llvm_cv_target_os_type="Cygwin" ;;
216 llvm_cv_target_os_type="Darwin" ;;
218 llvm_cv_target_os_type="FreeBSD" ;;
220 llvm_cv_target_os_type="OpenBSD" ;;
222 llvm_cv_target_os_type="NetBSD" ;;
224 llvm_cv_target_os_type="DragonFly" ;;
226 llvm_cv_target_os_type="HP-UX" ;;
228 llvm_cv_target_os_type="Interix" ;;
230 llvm_cv_target_os_type="Linux" ;;
232 llvm_cv_target_os_type="SunOS" ;;
234 llvm_cv_target_os_type="AuroraUX" ;;
236 llvm_cv_target_os_type="Win32" ;;
238 llvm_cv_target_os_type="MingW" ;;
240 llvm_cv_target_os_type="Haiku" ;;
242 llvm_cv_target_os_type="Freestanding" ;;
244 llvm_cv_target_os_type="Unknown" ;;
247 dnl Make sure we aren't attempting to configure for an unknown system
248 if test "$llvm_cv_os_type" = "Unknown" ; then
249 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
252 dnl Set the "OS" Makefile variable based on the platform type so the
253 dnl makefile can configure itself to specific build hosts
254 AC_SUBST(OS,$llvm_cv_os_type)
255 AC_SUBST(HOST_OS,$llvm_cv_os_type)
256 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
258 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
259 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
260 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
262 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
263 dnl This is used by lib/System to determine the basic kind of implementation
265 case $llvm_cv_platform_type in
267 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
268 AC_SUBST(LLVM_ON_UNIX,[1])
269 AC_SUBST(LLVM_ON_WIN32,[0])
272 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
273 AC_SUBST(LLVM_ON_UNIX,[0])
274 AC_SUBST(LLVM_ON_WIN32,[1])
278 dnl Determine what our target architecture is and configure accordingly.
279 dnl This will allow Makefiles to make a distinction between the hardware and
281 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
283 i?86-*) llvm_cv_target_arch="x86" ;;
284 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
285 sparc*-*) llvm_cv_target_arch="Sparc" ;;
286 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
287 alpha*-*) llvm_cv_target_arch="Alpha" ;;
288 arm*-*) llvm_cv_target_arch="ARM" ;;
289 mips-*) llvm_cv_target_arch="Mips" ;;
290 pic16-*) llvm_cv_target_arch="PIC16" ;;
291 xcore-*) llvm_cv_target_arch="XCore" ;;
292 msp430-*) llvm_cv_target_arch="MSP430" ;;
293 s390x-*) llvm_cv_target_arch="SystemZ" ;;
294 bfin-*) llvm_cv_target_arch="Blackfin" ;;
295 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
296 *) llvm_cv_target_arch="Unknown" ;;
299 if test "$llvm_cv_target_arch" = "Unknown" ; then
300 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
303 # Determine the LLVM native architecture for the target
304 case "$llvm_cv_target_arch" in
305 x86) LLVM_NATIVE_ARCH="X86" ;;
306 x86_64) LLVM_NATIVE_ARCH="X86" ;;
307 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
310 dnl Define a substitution, ARCH, for the target architecture
311 AC_SUBST(ARCH,$llvm_cv_target_arch)
313 dnl Check for the endianness of the target
314 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
316 dnl Check for build platform executable suffix if we're crosscompiling
317 if test "$cross_compiling" = yes; then
318 AC_SUBST(LLVM_CROSS_COMPILING, [1])
320 ac_build_prefix=${build_alias}-
321 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
322 if test -z "$BUILD_CXX"; then
323 AC_CHECK_PROG(BUILD_CXX, g++, g++)
324 if test -z "$BUILD_CXX"; then
325 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
329 AC_SUBST(LLVM_CROSS_COMPILING, [0])
332 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
333 dnl that this build is being done from a checkout. This sets up several
334 dnl defaults for the command line switches. When we build with a CVS directory,
335 dnl we get a debug with assertions turned on. Without, we assume a source
336 dnl release and we get an optimized build without assertions.
337 dnl See --enable-optimized and --enable-assertions below
338 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
341 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
347 dnl===-----------------------------------------------------------------------===
349 dnl=== SECTION 3: Command line arguments for the configure script.
351 dnl===-----------------------------------------------------------------------===
353 dnl --enable-optimized : check whether they want to do an optimized build:
354 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
355 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
356 if test ${enableval} = "no" ; then
357 AC_SUBST(ENABLE_OPTIMIZED,[[]])
359 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
362 dnl --enable-profiling : check whether they want to do a profile build:
363 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
364 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
365 if test ${enableval} = "no" ; then
366 AC_SUBST(ENABLE_PROFILING,[[]])
368 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
371 dnl --enable-assertions : check whether they want to turn on assertions or not:
372 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
373 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
374 if test ${enableval} = "yes" ; then
375 AC_SUBST(DISABLE_ASSERTIONS,[[]])
377 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
380 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
381 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
382 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
383 if test ${enableval} = "yes" ; then
384 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
385 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
387 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
388 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
391 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
392 AC_ARG_ENABLE(debug-runtime,
393 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
394 if test ${enableval} = "no" ; then
395 AC_SUBST(DEBUG_RUNTIME,[[]])
397 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
400 dnl --enable-debug-symbols : should even optimized compiler libraries
401 dnl have debug symbols?
402 AC_ARG_ENABLE(debug-symbols,
403 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)
404 if test ${enableval} = "no" ; then
405 AC_SUBST(DEBUG_SYMBOLS,[[]])
407 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
410 dnl --enable-jit: check whether they want to enable the jit
412 AS_HELP_STRING(--enable-jit,
413 [Enable Just In Time Compiling (default is YES)]),,
415 if test ${enableval} = "no"
419 case "$llvm_cv_target_arch" in
420 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
421 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
422 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
423 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
424 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
425 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
426 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
427 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
428 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
429 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
430 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
431 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
432 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
433 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
437 dnl Allow enablement of doxygen generated documentation
438 AC_ARG_ENABLE(doxygen,
439 AS_HELP_STRING([--enable-doxygen],
440 [Build doxygen documentation (default is NO)]),,
443 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
444 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
445 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
446 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
449 dnl Allow disablement of threads
450 AC_ARG_ENABLE(threads,
451 AS_HELP_STRING([--enable-threads],
452 [Use threads if available (default is YES)]),,
455 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
456 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
457 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
458 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
460 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
462 dnl Allow building without position independent code
464 AS_HELP_STRING([--enable-pic],
465 [Build LLVM with Position Independent Code (default is YES)]),,
468 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
469 no) AC_SUBST(ENABLE_PIC,[0]) ;;
470 default) AC_SUBST(ENABLE_PIC,[1]) ;;
471 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
473 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
474 [Define if position independent code is enabled])
476 dnl Allow building a shared library and linking tools against it.
477 AC_ARG_ENABLE(shared,
478 AS_HELP_STRING([--enable-shared],
479 [Build a shared library and link tools against it (default is NO)]),,
482 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
483 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
484 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
485 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
488 dnl Allow specific targets to be specified for building (or not)
490 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
491 [Build specific host targets: all or target1,target2,... Valid targets are:
492 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
493 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
495 if test "$enableval" = host-only ; then
499 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend MBlaze" ;;
500 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
502 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
503 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
504 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
505 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
506 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
507 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
508 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
509 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
510 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
511 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
512 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
513 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
514 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
515 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
516 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
517 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
518 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
519 host) case "$llvm_cv_target_arch" in
520 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
521 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
522 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
523 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
524 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
525 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
526 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
527 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
528 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
529 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
530 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
531 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
532 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
533 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
534 *) AC_MSG_ERROR([Can not set target to build]) ;;
536 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
541 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
543 # Determine whether we are building LLVM support for the native architecture.
544 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
545 for a_target in $TARGETS_TO_BUILD; do
546 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
547 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
548 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
549 [LLVM architecture name for the native architecture, if available])
553 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
554 # target feature def files.
556 LLVM_ENUM_ASM_PRINTERS=""
557 LLVM_ENUM_ASM_PARSERS=""
558 LLVM_ENUM_DISASSEMBLERS=""
559 for target_to_build in $TARGETS_TO_BUILD; do
560 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
561 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
562 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
564 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
565 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
567 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
568 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
571 AC_SUBST(LLVM_ENUM_TARGETS)
572 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
573 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
574 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
576 dnl Prevent the CBackend from using printf("%a") for floating point so older
577 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
578 dnl can still compile the CBE's output
579 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
580 [Enable C Backend output with hex floating point via %a (default is YES)]),,
583 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
584 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
585 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
586 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
588 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
589 [Define if CBE is enabled for printf %a output])
591 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
592 AC_ARG_WITH(llvmgccdir,
593 AS_HELP_STRING([--with-llvmgccdir],
594 [Specify location of llvm-gcc install dir (default searches PATH)]),,
597 default) WITH_LLVMGCCDIR=default ;;
598 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
599 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
602 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
604 AS_HELP_STRING([--with-llvmgcc],
605 [Specify location of llvm-gcc driver (default searches PATH)]),
606 LLVMGCC=$with_llvmgcc
609 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
611 AS_HELP_STRING([--with-llvmgxx],
612 [Specify location of llvm-g++ driver (default searches PATH)]),
613 LLVMGXX=$with_llvmgxx
616 if test -n "$LLVMGCC"; then
617 LLVMGCCCOMMAND="$LLVMGCC"
620 if test -n "$LLVMGXX"; then
621 LLVMGXXCOMMAND="$LLVMGXX"
624 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
625 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
628 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
629 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
632 dnl Allow a specific Clang compiler to be used with this LLVM config.
634 AS_HELP_STRING([--with-clang],
635 [Specify location of clang compiler (default is --with-built-clang)]),
636 [],[with_clang=default])
638 dnl Enable use of the built Clang.
639 AC_ARG_WITH(built-clang,
640 AS_HELP_STRING([--with-built-clang],
641 [Use the compiled Clang as the LLVM compiler (default=check)]),
642 [],[with_built_clang=check])
644 dnl Select the Clang compiler option.
646 dnl If --with-clang is given, always honor that; otherwise honor
647 dnl --with-built-clang, or check if we have the clang sources.
648 AC_MSG_CHECKING([clang compiler])
651 if test "$with_clang" != "default"; then
652 WITH_CLANGPATH="$with_clang"
653 if ! test -x "$WITH_CLANGPATH"; then
654 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
656 elif test "$with_built_clang" = "yes"; then
658 elif test "$with_built_clang" = "no"; then
661 if test "$with_built_clang" != "check"; then
662 AC_MSG_ERROR([invalid value for --with-built-clang.])
665 if test -f ${srcdir}/tools/clang/README.txt; then
670 if ! test -z "$WITH_CLANGPATH"; then
671 AC_MSG_RESULT([$WITH_CLANGPATH])
672 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
673 elif test "$WITH_BUILT_CLANG" = "1"; then
674 AC_MSG_RESULT([built])
676 AC_MSG_RESULT([none])
678 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
679 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
680 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
682 dnl Override the option to use for optimized builds.
683 AC_ARG_WITH(optimize-option,
684 AS_HELP_STRING([--with-optimize-option],
685 [Select the compiler options to use for optimized builds]),,
687 AC_MSG_CHECKING([optimization flags])
690 case "$llvm_cv_os_type" in
691 MingW) optimize_option=-O3 ;;
692 *) optimize_option=-O2 ;;
694 *) optimize_option="$withval" ;;
696 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
697 AC_MSG_RESULT([$optimize_option])
699 dnl Specify extra build options
700 AC_ARG_WITH(extra-options,
701 AS_HELP_STRING([--with-extra-options],
702 [Specify additional options to compile LLVM with]),,
705 default) EXTRA_OPTIONS= ;;
706 *) EXTRA_OPTIONS=$withval ;;
708 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
710 dnl Allow specific bindings to be specified for building (or not)
711 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
712 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
716 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
717 all ) BINDINGS_TO_BUILD="ocaml" ;;
718 none | no) BINDINGS_TO_BUILD="" ;;
719 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
721 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
722 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
728 dnl Allow the ocaml libdir to be overridden. This could go in a configure
729 dnl script for bindings/ocaml/configure, except that its auto value depends on
730 dnl OCAMLC, which is found here to support tests.
731 AC_ARG_WITH([ocaml-libdir],
732 [AS_HELP_STRING([--with-ocaml-libdir],
733 [Specify install location for ocaml bindings (default is stdlib)])],
737 auto) with_ocaml_libdir="$withval" ;;
738 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
739 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
742 AC_ARG_WITH(c-include-dirs,
743 AS_HELP_STRING([--with-c-include-dirs],
744 [Colon separated list of directories clang will search for headers]),,
746 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
747 [Directories clang will search for headers])
749 AC_ARG_WITH(cxx-include-root,
750 AS_HELP_STRING([--with-cxx-include-root],
751 [Directory with the libstdc++ headers.]),,
753 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
754 [Directory with the libstdc++ headers.])
756 AC_ARG_WITH(cxx-include-arch,
757 AS_HELP_STRING([--with-cxx-include-arch],
758 [Architecture of the libstdc++ headers.]),,
760 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
761 [Arch the libstdc++ headers.])
763 AC_ARG_WITH(cxx-include-32bit-dir,
764 AS_HELP_STRING([--with-cxx-include-32bit-dir],
765 [32 bit multilib dir.]),,
767 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
768 [32 bit multilib directory.])
770 AC_ARG_WITH(cxx-include-64bit-dir,
771 AS_HELP_STRING([--with-cxx-include-64bit-dir],
772 [64 bit multilib directory.]),,
774 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
775 [64 bit multilib directory.])
777 dnl Allow linking of LLVM with GPLv3 binutils code.
778 AC_ARG_WITH(binutils-include,
779 AS_HELP_STRING([--with-binutils-include],
780 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
783 default) WITH_BINUTILS_INCDIR=default ;;
784 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
785 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
787 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
788 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
789 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
790 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
791 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
795 dnl --enable-libffi : check whether the user wants to turn off libffi:
796 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
797 --enable-libffi,[Check for the presence of libffi (default is NO)]),
798 [case "$enableval" in
799 yes) llvm_cv_enable_libffi="yes" ;;
800 no) llvm_cv_enable_libffi="no" ;;
801 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
803 llvm_cv_enable_libffi=no)
805 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
806 if test "$llvm_cv_os_type" = "Win32" ; then
812 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
813 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
814 --enable-llvmc-dynamic,
815 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
816 enableval=$llvmc_dynamic)
817 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
818 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
820 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
823 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
824 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
825 --enable-llvmc-dynamic-plugins,
826 [Enable dynamic LLVMC plugins (default is YES)]),,
828 if test ${enableval} = "yes" ; then
829 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
831 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
834 dnl===-----------------------------------------------------------------------===
836 dnl=== SECTION 4: Check for programs we need and that they are the right version
838 dnl===-----------------------------------------------------------------------===
840 dnl Check for compilation tools
848 dnl Check for the tools that the makefiles require
851 AC_PATH_PROG(CMP, [cmp], [cmp])
852 AC_PATH_PROG(CP, [cp], [cp])
853 AC_PATH_PROG(DATE, [date], [date])
854 AC_PATH_PROG(FIND, [find], [find])
855 AC_PATH_PROG(GREP, [grep], [grep])
856 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
857 AC_PATH_PROG(MV, [mv], [mv])
859 AC_CHECK_TOOL(AR, ar, false)
860 AC_PATH_PROG(RM, [rm], [rm])
861 AC_PATH_PROG(SED, [sed], [sed])
862 AC_PATH_PROG(TAR, [tar], [gtar])
863 AC_PATH_PROG(BINPWD,[pwd], [pwd])
865 dnl Looking for misc. graph plotting software
866 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
867 if test "$GRAPHVIZ" != "echo Graphviz" ; then
868 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
869 dnl If we're targeting for mingw we should emit windows paths, not msys
870 if test "$llvm_cv_os_type" = "MingW" ; then
871 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
873 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
874 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
876 AC_PATH_PROG(DOT, [dot], [echo dot])
877 if test "$DOT" != "echo dot" ; then
878 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
879 dnl If we're targeting for mingw we should emit windows paths, not msys
880 if test "$llvm_cv_os_type" = "MingW" ; then
881 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
883 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
884 [Define to path to dot program if found or 'echo dot' otherwise])
886 AC_PATH_PROG(FDP, [fdp], [echo fdp])
887 if test "$FDP" != "echo fdp" ; then
888 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
889 dnl If we're targeting for mingw we should emit windows paths, not msys
890 if test "$llvm_cv_os_type" = "MingW" ; then
891 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
893 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
894 [Define to path to fdp program if found or 'echo fdp' otherwise])
896 AC_PATH_PROG(NEATO, [neato], [echo neato])
897 if test "$NEATO" != "echo neato" ; then
898 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
899 dnl If we're targeting for mingw we should emit windows paths, not msys
900 if test "$llvm_cv_os_type" = "MingW" ; then
901 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
903 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
904 [Define to path to neato program if found or 'echo neato' otherwise])
906 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
907 if test "$TWOPI" != "echo twopi" ; then
908 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
909 dnl If we're targeting for mingw we should emit windows paths, not msys
910 if test "$llvm_cv_os_type" = "MingW" ; then
911 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
913 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
914 [Define to path to twopi program if found or 'echo twopi' otherwise])
916 AC_PATH_PROG(CIRCO, [circo], [echo circo])
917 if test "$CIRCO" != "echo circo" ; then
918 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
919 dnl If we're targeting for mingw we should emit windows paths, not msys
920 if test "$llvm_cv_os_type" = "MingW" ; then
921 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
923 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
924 [Define to path to circo program if found or 'echo circo' otherwise])
926 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
927 if test "$GV" != "echo gv" ; then
928 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
929 dnl If we're targeting for mingw we should emit windows paths, not msys
930 if test "$llvm_cv_os_type" = "MingW" ; then
931 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
933 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
934 [Define to path to gv program if found or 'echo gv' otherwise])
936 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
937 if test "$DOTTY" != "echo dotty" ; then
938 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
939 dnl If we're targeting for mingw we should emit windows paths, not msys
940 if test "$llvm_cv_os_type" = "MingW" ; then
941 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
943 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
944 [Define to path to dotty program if found or 'echo dotty' otherwise])
947 dnl Look for a sufficiently recent version of Perl.
948 LLVM_PROG_PERL([5.006])
950 if test x"$PERL" = xnone; then
951 AC_SUBST(HAVE_PERL,0)
952 AC_MSG_ERROR([perl is required but was not found, please install it])
954 AC_SUBST(HAVE_PERL,1)
957 dnl Find the install program
960 dnl Checks for documentation and testing tools that we can do without. If these
961 dnl are not found then they are set to "true" which always succeeds but does
962 dnl nothing. This just lets the build output show that we could have done
963 dnl something if the tool was available.
964 AC_PATH_PROG(BZIP2, [bzip2])
965 AC_PATH_PROG(DOXYGEN, [doxygen])
966 AC_PATH_PROG(GROFF, [groff])
967 AC_PATH_PROG(GZIP, [gzip])
968 AC_PATH_PROG(POD2HTML, [pod2html])
969 AC_PATH_PROG(POD2MAN, [pod2man])
970 AC_PATH_PROG(RUNTEST, [runtest])
972 AC_PATH_PROG(ZIP, [zip])
973 AC_PATH_PROGS(OCAMLC, [ocamlc])
974 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
975 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
976 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
977 AC_PATH_PROGS(GAS, [gas as])
979 dnl Determine whether the linker supports the -R option.
982 dnl Determine whether the linker supports the -export-dynamic option.
983 AC_LINK_EXPORT_DYNAMIC
985 dnl Check for libtool and the library that has dlopen function (which must come
986 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
991 if test "$WITH_LLVMGCCDIR" = "default" ; then
992 LLVMGCC="llvm-gcc${EXEEXT}"
993 LLVMGXX="llvm-g++${EXEEXT}"
994 LLVMGCCCOMMAND="$LLVMGCC"
995 LLVMGXXCOMMAND="$LLVMGXX"
996 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
997 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
998 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
999 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1001 if test -z "$LLVMGCC"; then
1002 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1003 LLVMGCCCOMMAND="$LLVMGCC"
1005 if test -z "$LLVMGXX"; then
1006 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1007 LLVMGXXCOMMAND="$LLVMGXX"
1010 AC_SUBST(LLVMGCC,$LLVMGCC)
1011 AC_SUBST(LLVMGXX,$LLVMGXX)
1012 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1013 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1016 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1017 dnl found, otherwise clang if available.
1019 AS_HELP_STRING([--with-llvmcc=<name>],
1020 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1021 [],[with_llvmcc=check])
1022 AC_MSG_CHECKING([LLVM capable compiler])
1023 if test "$with_llvmcc" != "check"; then
1024 if (test "$with_llvmcc" != "llvm-gcc" &&
1025 test "$with_llvmcc" != "clang" &&
1026 test "$with_llvmcc" != "none"); then
1027 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1029 WITH_LLVMCC="$with_llvmcc"
1030 elif test -n "$LLVMGCC"; then
1031 WITH_LLVMCC=llvm-gcc
1032 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1037 AC_MSG_RESULT([$WITH_LLVMCC])
1038 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1040 AC_MSG_CHECKING([tool compatibility])
1042 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1043 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1044 dnl to support those options.
1045 dnl "icc" emits gcc signatures
1046 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1058 if test "$GCC" != "yes" && test "$ICC" != "yes"
1060 AC_MSG_ERROR([gcc|icc required but not found])
1063 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
1064 if test "$GXX" != "yes" && test "$IXX" != "yes"
1066 AC_MSG_ERROR([g++|icc required but not found])
1069 dnl Verify that GCC is version 3.0 or higher
1070 if test "$GCC" = "yes"
1072 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1073 #error Unsupported GCC version
1075 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1078 dnl Check for GNU Make. We use its extensions, so don't build without it
1079 if test -z "$llvm_cv_gnu_make_command"
1081 AC_MSG_ERROR([GNU Make required but not found])
1084 dnl Tool compatibility is okay if we make it here.
1087 dnl Check optional compiler flags.
1088 AC_MSG_CHECKING([optional compiler flags])
1089 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1090 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1091 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1093 dnl===-----------------------------------------------------------------------===
1095 dnl=== SECTION 5: Check for libraries
1097 dnl===-----------------------------------------------------------------------===
1100 if test "$llvm_cv_os_type" = "MingW" ; then
1101 AC_CHECK_LIB(imagehlp, main)
1102 AC_CHECK_LIB(psapi, main)
1105 dnl dlopen() is required for plugin support.
1106 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1107 [Define if dlopen() is available on this platform.]),
1108 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1110 dnl libffi is optional; used to call external functions from the interpreter
1111 if test "$llvm_cv_enable_libffi" = "yes" ; then
1112 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1113 [Define if libffi is available on this platform.]),
1114 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1117 dnl mallinfo is optional; the code can compile (minus features) without it
1118 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1119 [Define if mallinfo() is available on this platform.]))
1121 dnl pthread locking functions are optional - but llvm will not be thread-safe
1123 if test "$ENABLE_THREADS" -eq 1 ; then
1124 AC_CHECK_LIB(pthread, pthread_mutex_init)
1125 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1126 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1127 [Have pthread_mutex_lock]))
1128 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1129 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1130 [Have pthread_rwlock_init]))
1131 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1132 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1133 [Have pthread_getspecific]))
1136 dnl Allow extra x86-disassembler library
1138 AS_HELP_STRING([--with-udis86=<path>],
1139 [Use udis86 external x86 disassembler library]),
1141 AC_SUBST(USE_UDIS86, [1])
1144 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1146 AC_CHECK_LIB(udis86, ud_init, [], [
1147 echo "Error! You need to have libudis86 around."
1151 AC_SUBST(USE_UDIS86, [0]))
1152 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1153 [Define if use udis86 library])
1155 dnl Allow OProfile support for JIT output.
1156 AC_ARG_WITH(oprofile,
1157 AS_HELP_STRING([--with-oprofile=<prefix>],
1158 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1160 AC_SUBST(USE_OPROFILE, [1])
1162 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1164 AC_SUBST(USE_OPROFILE, [0]) ;;
1165 *) llvm_cv_oppath="${withval}/lib/oprofile"
1166 CPPFLAGS="-I${withval}/include";;
1168 if test -n "$llvm_cv_oppath" ; then
1169 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1170 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1171 dnl libbfd is not included properly in libopagent in some Debian
1172 dnl versions. If libbfd isn't found at all, we assume opagent works
1174 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1175 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1176 echo "Error! You need to have libopagent around."
1179 AC_CHECK_HEADER([opagent.h], [], [
1180 echo "Error! You need to have opagent.h around."
1186 AC_SUBST(USE_OPROFILE, [0])
1188 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1189 [Define if we have the oprofile JIT-support library])
1191 dnl===-----------------------------------------------------------------------===
1193 dnl=== SECTION 6: Check for header files
1195 dnl===-----------------------------------------------------------------------===
1197 dnl First, use autoconf provided macros for specific headers that we need
1198 dnl We don't check for ancient stuff or things that are guaranteed to be there
1199 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1200 dnl Generally we're looking for POSIX headers.
1202 AC_HEADER_MMAP_ANONYMOUS
1208 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1209 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1210 AC_CHECK_HEADERS([utime.h windows.h])
1211 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1212 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1213 if test "$ENABLE_THREADS" -eq 1 ; then
1214 AC_CHECK_HEADERS(pthread.h,
1215 AC_SUBST(HAVE_PTHREAD, 1),
1216 AC_SUBST(HAVE_PTHREAD, 0))
1218 AC_SUBST(HAVE_PTHREAD, 0)
1221 dnl Try to find ffi.h.
1222 if test "$llvm_cv_enable_libffi" = "yes" ; then
1223 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1226 dnl===-----------------------------------------------------------------------===
1228 dnl=== SECTION 7: Check for types and structures
1230 dnl===-----------------------------------------------------------------------===
1235 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1237 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1238 AC_CHECK_TYPES([uint64_t],,
1239 AC_CHECK_TYPES([u_int64_t],,
1240 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1242 dnl===-----------------------------------------------------------------------===
1244 dnl=== SECTION 8: Check for specific functions needed
1246 dnl===-----------------------------------------------------------------------===
1248 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1249 AC_CHECK_FUNCS([powf fmodf strtof round ])
1250 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1251 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1252 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1253 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1254 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1255 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1259 dnl Check for variations in the Standard C++ library and STL. These macros are
1260 dnl provided by LLVM in the autoconf/m4 directory.
1264 dnl Check for mmap support.We also need to know if /dev/zero is required to
1265 dnl be opened for allocating RWX memory.
1266 dnl Make sure we aren't attempting to configure for an unknown system
1267 if test "$llvm_cv_platform_type" = "Unix" ; then
1270 AC_NEED_DEV_ZERO_FOR_MMAP
1272 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1274 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1276 if test "$ac_cv_func_mmap_file" = "no"
1278 AC_MSG_WARN([mmap() of files required but not found])
1282 dnl atomic builtins are required for threading support.
1283 AC_MSG_CHECKING(for GCC atomic builtins)
1287 volatile unsigned long val = 1;
1288 __sync_synchronize();
1289 __sync_val_compare_and_swap(&val, 1, 0);
1290 __sync_add_and_fetch(&val, 1);
1291 __sync_sub_and_fetch(&val, 1);
1296 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1298 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1299 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1302 dnl===-----------------------------------------------------------------------===
1304 dnl=== SECTION 9: Additional checks, variables, etc.
1306 dnl===-----------------------------------------------------------------------===
1308 dnl Handle 32-bit linux systems running a 64-bit kernel.
1309 dnl This has to come after section 4 because it invokes the compiler.
1310 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1312 if test "$llvm_cv_linux_mixed" = "yes"; then
1313 llvm_cv_target_arch="x86"
1318 dnl Check, whether __dso_handle is present
1319 AC_CHECK_FUNCS([__dso_handle])
1321 dnl See if the llvm-gcc executable can compile to LLVM assembly
1322 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1323 [llvm_cv_llvmgcc_sanity="no"
1324 if test -x "$LLVMGCC" ; then
1325 cp /dev/null conftest.c
1326 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1327 grep 'target datalayout =' > /dev/null 2>&1
1328 if test $? -eq 0 ; then
1329 llvm_cv_llvmgcc_sanity="yes"
1334 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1335 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1336 AC_MSG_CHECKING([llvm-gcc component support])
1337 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1338 AC_SUBST(LLVMCC1,$llvmcc1path)
1339 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1340 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1341 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1342 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1343 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1344 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1348 dnl Propagate the shared library extension that the libltdl checks did to
1349 dnl the Makefiles so we can use it there too
1350 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1352 dnl Propagate the run-time library path variable that the libltdl
1353 dnl checks found to the Makefiles so we can use it there too
1354 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1356 # Translate the various configuration directories and other basic
1357 # information into substitutions that will end up in Makefile.config.in
1358 # that these configured values can be used by the makefiles
1359 if test "${prefix}" = "NONE" ; then
1362 eval LLVM_PREFIX="${prefix}";
1363 eval LLVM_BINDIR="${prefix}/bin";
1364 eval LLVM_LIBDIR="${prefix}/lib";
1365 eval LLVM_DATADIR="${prefix}/share/llvm";
1366 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1367 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1368 eval LLVM_INCLUDEDIR="${prefix}/include";
1369 eval LLVM_INFODIR="${prefix}/info";
1370 eval LLVM_MANDIR="${prefix}/man";
1371 LLVM_CONFIGTIME=`date`
1372 AC_SUBST(LLVM_PREFIX)
1373 AC_SUBST(LLVM_BINDIR)
1374 AC_SUBST(LLVM_LIBDIR)
1375 AC_SUBST(LLVM_DATADIR)
1376 AC_SUBST(LLVM_DOCSDIR)
1377 AC_SUBST(LLVM_ETCDIR)
1378 AC_SUBST(LLVM_INCLUDEDIR)
1379 AC_SUBST(LLVM_INFODIR)
1380 AC_SUBST(LLVM_MANDIR)
1381 AC_SUBST(LLVM_CONFIGTIME)
1383 # Place the various directores into the config.h file as #defines so that we
1384 # can know about the installation paths within LLVM.
1385 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1386 [Installation prefix directory])
1387 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1388 [Installation directory for binary executables])
1389 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1390 [Installation directory for libraries])
1391 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1392 [Installation directory for data files])
1393 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1394 [Installation directory for documentation])
1395 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1396 [Installation directory for config files])
1397 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1398 [Installation directory for include files])
1399 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1400 [Installation directory for .info files])
1401 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1402 [Installation directory for man pages])
1403 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1404 [Time at which LLVM was configured])
1405 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1406 [Host triple we were built on])
1408 # Determine which bindings to build.
1409 if test "$BINDINGS_TO_BUILD" = auto ; then
1410 BINDINGS_TO_BUILD=""
1411 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1412 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1415 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1417 # This isn't really configurey, but it avoids having to repeat the list in
1419 AC_SUBST(ALL_BINDINGS,ocaml)
1421 # Do any work necessary to ensure that bindings have what they need.
1422 binding_prereqs_failed=0
1423 for a_binding in $BINDINGS_TO_BUILD ; do
1424 case "$a_binding" in
1426 if test "x$OCAMLC" = x ; then
1427 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1428 binding_prereqs_failed=1
1430 if test "x$OCAMLDEP" = x ; then
1431 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1432 binding_prereqs_failed=1
1434 if test "x$OCAMLOPT" = x ; then
1435 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1436 dnl ocamlopt is optional!
1438 if test "x$with_ocaml_libdir" != xauto ; then
1439 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1441 ocaml_stdlib="`"$OCAMLC" -where`"
1442 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1444 # ocaml stdlib is beneath our prefix; use stdlib
1445 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1447 # ocaml stdlib is outside our prefix; use libdir/ocaml
1448 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1454 if test "$binding_prereqs_failed" = 1 ; then
1455 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1458 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1459 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1461 dnl Determine linker rpath flag
1462 if test "$llvm_cv_link_use_r" = "yes" ; then
1469 dnl Determine linker rdynamic flag
1470 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1471 RDYNAMIC="-Wl,-export-dynamic"
1477 dnl===-----------------------------------------------------------------------===
1479 dnl=== SECTION 10: Specify the output files and generate it
1481 dnl===-----------------------------------------------------------------------===
1483 dnl Configure header files
1484 dnl WARNING: dnl If you add or remove any of the following config headers, then
1485 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1486 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1487 dnl files can be updated automatically when their *.in sources change.
1488 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1489 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1490 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1491 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1492 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1493 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1495 dnl Configure the makefile's configuration data
1496 AC_CONFIG_FILES([Makefile.config])
1498 dnl Configure the RPM spec file for LLVM
1499 AC_CONFIG_FILES([llvm.spec])
1501 dnl Configure doxygen's configuration file
1502 AC_CONFIG_FILES([docs/doxygen.cfg])
1504 dnl Configure llvmc's Base plugin
1505 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1507 dnl Do the first stage of configuration for llvm-config.in.
1508 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1510 dnl Do special configuration of Makefiles
1511 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1512 AC_CONFIG_MAKEFILE(Makefile)
1513 AC_CONFIG_MAKEFILE(Makefile.common)
1514 AC_CONFIG_MAKEFILE(examples/Makefile)
1515 AC_CONFIG_MAKEFILE(lib/Makefile)
1516 AC_CONFIG_MAKEFILE(runtime/Makefile)
1517 AC_CONFIG_MAKEFILE(test/Makefile)
1518 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1519 AC_CONFIG_MAKEFILE(unittests/Makefile)
1520 AC_CONFIG_MAKEFILE(tools/Makefile)
1521 AC_CONFIG_MAKEFILE(utils/Makefile)
1522 AC_CONFIG_MAKEFILE(projects/Makefile)
1523 AC_CONFIG_MAKEFILE(bindings/Makefile)
1524 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1526 dnl Finally, crank out the output