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]],[[2.6svn]],[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) 2003-2008 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2008 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
42 dnl use some autoconf macros only available in 2.59.
45 dnl Verify that the source directory is valid. This makes sure that we are
46 dnl configuring LLVM and not some other package (it validates --srcdir argument)
47 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
49 dnl Place all of the extra autoconf files into the config subdirectory. Tell
50 dnl various tools where the m4 autoconf macros are.
51 AC_CONFIG_AUX_DIR([autoconf])
53 dnl Quit if the source directory has already been configured.
54 dnl NOTE: This relies upon undocumented autoconf behavior.
55 if test ${srcdir} != "." ; then
56 if test -f ${srcdir}/include/llvm/Config/config.h ; then
57 AC_MSG_ERROR([Already configured in ${srcdir}])
61 dnl Configure all of the projects present in our source tree. While we could
62 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
63 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
64 dnl Instead we match on the known projects.
65 for i in `ls ${srcdir}/projects`
67 if test -d ${srcdir}/projects/${i} ; then
70 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
71 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
72 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
73 # llvm-test is the old name of the test-suite, kept here for backwards
75 llvm-test) AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
76 test-suite) AC_CONFIG_SUBDIRS([projects/test-suite]) ;;
77 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
78 llvm-gcc) AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
79 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
80 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
81 llvm-poolalloc) AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
82 poolalloc) AC_CONFIG_SUBDIRS([projects/poolalloc]) ;;
83 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
85 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
91 dnl===-----------------------------------------------------------------------===
93 dnl=== SECTION 2: Architecture, target, and host checks
95 dnl===-----------------------------------------------------------------------===
97 dnl Check the target for which we're compiling and the host that will do the
98 dnl compilations. This will tell us which LLVM compiler will be used for
99 dnl compiling SSA into object code. This needs to be done early because
100 dnl following tests depend on it.
103 dnl Determine the platform type and cache its value. This helps us configure
104 dnl the System library to the correct build platform.
105 AC_CACHE_CHECK([type of operating system we're going to host on],
109 llvm_cv_link_all_option="-Wl,--whole-archive"
110 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
111 llvm_cv_os_type="AIX"
112 llvm_cv_platform_type="Unix" ;;
114 llvm_cv_link_all_option="-Wl,--whole-archive"
115 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
116 llvm_cv_os_type="IRIX"
117 llvm_cv_platform_type="Unix" ;;
119 llvm_cv_link_all_option="-Wl,--whole-archive"
120 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
121 llvm_cv_os_type="Cygwin"
122 llvm_cv_platform_type="Unix" ;;
124 llvm_cv_link_all_option="-Wl,-all_load"
125 llvm_cv_no_link_all_option="-Wl,-noall_load"
126 llvm_cv_os_type="Darwin"
127 llvm_cv_platform_type="Unix" ;;
129 llvm_cv_link_all_option="-Wl,--whole-archive"
130 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
131 llvm_cv_os_type="FreeBSD"
132 llvm_cv_platform_type="Unix" ;;
134 llvm_cv_link_all_option="-Wl,--whole-archive"
135 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
136 llvm_cv_os_type="OpenBSD"
137 llvm_cv_platform_type="Unix" ;;
139 llvm_cv_link_all_option="-Wl,--whole-archive"
140 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
141 llvm_cv_os_type="NetBSD"
142 llvm_cv_platform_type="Unix" ;;
144 llvm_cv_link_all_option="-Wl,--whole-archive"
145 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
146 llvm_cv_os_type="DragonFly"
147 llvm_cv_platform_type="Unix" ;;
149 llvm_cv_link_all_option="-Wl,--whole-archive"
150 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
151 llvm_cv_os_type="HP-UX"
152 llvm_cv_platform_type="Unix" ;;
154 llvm_cv_link_all_option="-Wl,--whole-archive"
155 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
156 llvm_cv_os_type="Interix"
157 llvm_cv_platform_type="Unix" ;;
159 llvm_cv_link_all_option="-Wl,--whole-archive"
160 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
161 llvm_cv_os_type="Linux"
162 llvm_cv_platform_type="Unix" ;;
164 llvm_cv_link_all_option="-Wl,-z,allextract"
165 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
166 llvm_cv_os_type="SunOS"
167 llvm_cv_platform_type="Unix" ;;
169 llvm_cv_link_all_option="-Wl,--whole-archive"
170 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
171 llvm_cv_os_type="Win32"
172 llvm_cv_platform_type="Win32" ;;
174 llvm_cv_link_all_option="-Wl,--whole-archive"
175 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
176 llvm_cv_os_type="MingW"
177 llvm_cv_platform_type="Win32" ;;
179 llvm_cv_link_all_option=""
180 llvm_cv_no_link_all_option=""
181 llvm_cv_os_type="Unknown"
182 llvm_cv_platform_type="Unknown" ;;
185 dnl Make sure we aren't attempting to configure for an unknown system
186 if test "$llvm_cv_os_type" = "Unknown" ; then
187 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
190 dnl Set the "OS" Makefile variable based on the platform type so the
191 dnl makefile can configure itself to specific build hosts
192 AC_SUBST(OS,$llvm_cv_os_type)
194 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
195 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
196 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
198 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
199 dnl This is used by lib/System to determine the basic kind of implementation
201 case $llvm_cv_platform_type in
203 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
204 AC_SUBST(LLVM_ON_UNIX,[1])
205 AC_SUBST(LLVM_ON_WIN32,[0])
208 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
209 AC_SUBST(LLVM_ON_UNIX,[0])
210 AC_SUBST(LLVM_ON_WIN32,[1])
214 dnl Determine what our target architecture is and configure accordingly.
215 dnl This will allow Makefiles to make a distinction between the hardware and
217 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
219 i?86-*) llvm_cv_target_arch="x86" ;;
220 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
221 sparc*-*) llvm_cv_target_arch="Sparc" ;;
222 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
223 alpha*-*) llvm_cv_target_arch="Alpha" ;;
224 ia64-*) llvm_cv_target_arch="IA64" ;;
225 arm*-*) llvm_cv_target_arch="ARM" ;;
226 mips-*) llvm_cv_target_arch="Mips" ;;
227 pic16-*) llvm_cv_target_arch="PIC16" ;;
228 xcore-*) llvm_cv_target_arch="XCore" ;;
229 msp430-*) llvm_cv_target_arch="MSP430" ;;
230 s390x-*) llvm_cv_target_arch="SystemZ" ;;
231 *) llvm_cv_target_arch="Unknown" ;;
234 if test "$llvm_cv_target_arch" = "Unknown" ; then
235 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
238 # Determine the LLVM native architecture for the target
239 case "$llvm_cv_target_arch" in
240 x86) LLVM_NATIVE_ARCH="X86" ;;
241 x86_64) LLVM_NATIVE_ARCH="X86" ;;
242 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
245 dnl Define a substitution, ARCH, for the target architecture
246 AC_SUBST(ARCH,$llvm_cv_target_arch)
248 dnl Check for the endianness of the target
249 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
251 dnl Check for build platform executable suffix if we're crosscompiling
252 if test "$cross_compiling" = yes; then
253 AC_SUBST(LLVM_CROSS_COMPILING, [1])
255 ac_build_prefix=${build_alias}-
256 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
257 if test -z "$BUILD_CXX"; then
258 AC_CHECK_PROG(BUILD_CXX, g++, g++)
259 if test -z "$BUILD_CXX"; then
260 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
264 AC_SUBST(LLVM_CROSS_COMPILING, [0])
267 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
268 dnl that this build is being done from a checkout. This sets up several
269 dnl defaults for the command line switches. When we build with a CVS directory,
270 dnl we get a debug with assertions turned on. Without, we assume a source
271 dnl release and we get an optimized build without assertions.
272 dnl See --enable-optimized and --enable-assertions below
273 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
276 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
282 dnl===-----------------------------------------------------------------------===
284 dnl=== SECTION 3: Command line arguments for the configure script.
286 dnl===-----------------------------------------------------------------------===
288 dnl --enable-optimized : check whether they want to do an optimized build:
289 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
290 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
291 if test ${enableval} = "no" ; then
292 AC_SUBST(ENABLE_OPTIMIZED,[[]])
294 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
297 dnl --enable-profiling : check whether they want to do a profile build:
298 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
299 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
300 if test ${enableval} = "no" ; then
301 AC_SUBST(ENABLE_PROFILING,[[]])
303 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
306 dnl --enable-assertions : check whether they want to turn on assertions or not:
307 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
308 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
309 if test ${enableval} = "yes" ; then
310 AC_SUBST(DISABLE_ASSERTIONS,[[]])
312 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
315 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
316 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
317 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
318 if test ${enableval} = "yes" ; then
319 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
320 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
322 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
323 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
326 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
327 AC_ARG_ENABLE(debug-runtime,
328 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
329 if test ${enableval} = "no" ; then
330 AC_SUBST(DEBUG_RUNTIME,[[]])
332 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
335 dnl --enable-jit: check whether they want to enable the jit
337 AS_HELP_STRING(--enable-jit,
338 [Enable Just In Time Compiling (default is YES)]),,
340 if test ${enableval} = "no"
344 case "$llvm_cv_target_arch" in
345 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
346 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
347 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
348 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
349 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
350 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
351 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
352 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
353 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
354 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
355 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
356 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
357 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
361 dnl Allow enablement of doxygen generated documentation
362 AC_ARG_ENABLE(doxygen,
363 AS_HELP_STRING([--enable-doxygen],
364 [Build doxygen documentation (default is NO)]),,
367 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
368 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
369 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
370 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
373 dnl Allow disablement of threads
374 AC_ARG_ENABLE(threads,
375 AS_HELP_STRING([--enable-threads],
376 [Use threads if available (default is YES)]),,
379 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
380 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
381 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
382 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
384 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
386 dnl Allow building without position independent code
388 AS_HELP_STRING([--enable-pic],
389 [Build LLVM with Position Independent Code (default is YES)]),,
392 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
393 no) AC_SUBST(ENABLE_PIC,[0]) ;;
394 default) AC_SUBST(ENABLE_PIC,[1]) ;;
395 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
397 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
398 [Define if position independent code is enabled])
400 dnl Allow specific targets to be specified for building (or not)
402 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
403 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
406 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 SystemZ CBackend MSIL CppBackend" ;;
408 case "$llvm_cv_target_arch" in
409 x86) TARGETS_TO_BUILD="X86" ;;
410 x86_64) TARGETS_TO_BUILD="X86" ;;
411 Sparc) TARGETS_TO_BUILD="Sparc" ;;
412 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
413 Alpha) TARGETS_TO_BUILD="Alpha" ;;
414 IA64) TARGETS_TO_BUILD="IA64" ;;
415 ARM) TARGETS_TO_BUILD="ARM" ;;
416 Mips) TARGETS_TO_BUILD="Mips" ;;
417 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
418 PIC16) TARGETS_TO_BUILD="PIC16" ;;
419 XCore) TARGETS_TO_BUILD="XCore" ;;
420 MSP430) TARGETS_TO_BUILD="MSP430" ;;
421 SystemZ) TARGETS_TO_BUILD="SystemZ" ;;
422 *) AC_MSG_ERROR([Can not set target to build]) ;;
425 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
427 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
428 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
429 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
430 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
431 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
432 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
433 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
434 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
435 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
436 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
437 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
438 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
439 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
440 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
441 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
442 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
443 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
448 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
450 # Determine whether we are building LLVM support for the native architecture.
451 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
452 for a_target in $TARGETS_TO_BUILD; do
453 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
454 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
455 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
456 [LLVM architecture name for the native architecture, if available])
460 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
461 # Targets.def, AsmPrinters.def, and AsmParsers.def.
463 LLVM_ENUM_ASM_PRINTERS=""
464 LLVM_ENUM_ASM_PARSERS=""
465 for target_to_build in $TARGETS_TO_BUILD; do
466 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
467 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
468 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
470 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
471 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
474 AC_SUBST(LLVM_ENUM_TARGETS)
475 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
476 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
478 dnl Prevent the CBackend from using printf("%a") for floating point so older
479 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
480 dnl can still compile the CBE's output
481 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
482 [Enable C Backend output with hex floating point via %a (default is YES)]),,
485 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
486 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
487 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
488 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
490 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
491 [Define if CBE is enabled for printf %a output])
493 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
494 AC_ARG_WITH(llvmgccdir,
495 AS_HELP_STRING([--with-llvmgccdir],
496 [Specify location of llvm-gcc install dir (default searches PATH)]),,
499 default) WITH_LLVMGCCDIR=default ;;
500 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
501 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
504 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
506 AS_HELP_STRING([--with-llvmgcc],
507 [Specify location of llvm-gcc driver (default searches PATH)]),
508 LLVMGCC=$with_llvmgcc
511 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
513 AS_HELP_STRING([--with-llvmgxx],
514 [Specify location of llvm-g++ driver (default searches PATH)]),
515 LLVMGXX=$with_llvmgxx
518 if test -n "$LLVMGCC"; then
519 LLVMGCCCOMMAND="$LLVMGCC"
522 if test -n "$LLVMGXX"; then
523 LLVMGXXCOMMAND="$LLVMGXX"
526 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
527 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
530 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
531 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
534 dnl Specify extra build options
535 AC_ARG_WITH(extra-options,
536 AS_HELP_STRING([--with-extra-options],
537 [Specify additional options to compile LLVM with]),,
540 default) EXTRA_OPTIONS= ;;
541 *) EXTRA_OPTIONS=$withval ;;
543 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
545 dnl Allow specific bindings to be specified for building (or not)
546 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
547 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
551 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
552 all ) BINDINGS_TO_BUILD="ocaml" ;;
553 none | no) BINDINGS_TO_BUILD="" ;;
554 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
556 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
557 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
563 dnl Allow the ocaml libdir to be overridden. This could go in a configure
564 dnl script for bindings/ocaml/configure, except that its auto value depends on
565 dnl OCAMLC, which is found here to support tests.
566 AC_ARG_WITH([ocaml-libdir],
567 [AS_HELP_STRING([--with-ocaml-libdir],
568 [Specify install location for ocaml bindings (default is stdlib)])],
572 auto) with_ocaml_libdir="$withval" ;;
573 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
574 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
577 dnl Allow linking of LLVM with GPLv3 binutils code.
578 AC_ARG_WITH(binutils-include,
579 AS_HELP_STRING([--with-binutils-include],
580 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
583 default) WITH_BINUTILS_INCDIR=default ;;
584 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
585 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
587 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
588 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
589 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
590 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
591 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
595 dnl --enable-libffi : check whether the user wants to turn off libffi:
596 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
597 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
600 yes) llvm_cv_enable_libffi="yes" ;;
601 no) llvm_cv_enable_libffi="no" ;;
602 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
605 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
606 if test "$llvm_cv_os_type" = "Win32" ; then
612 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
613 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
614 --enable-llvmc-dynamic,
615 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
616 enableval=$llvmc_dynamic)
617 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
618 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
620 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
623 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
624 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
625 --enable-llvmc-dynamic-plugins,
626 [Enable dynamic LLVMC plugins (default is YES)]),,
628 if test ${enableval} = "yes" ; then
629 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
631 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
634 dnl===-----------------------------------------------------------------------===
636 dnl=== SECTION 4: Check for programs we need and that they are the right version
638 dnl===-----------------------------------------------------------------------===
640 dnl Check for compilation tools
648 dnl Check for the tools that the makefiles require
651 AC_PATH_PROG(CMP, [cmp], [cmp])
652 AC_PATH_PROG(CP, [cp], [cp])
653 AC_PATH_PROG(DATE, [date], [date])
654 AC_PATH_PROG(FIND, [find], [find])
655 AC_PATH_PROG(GREP, [grep], [grep])
656 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
657 AC_PATH_PROG(MV, [mv], [mv])
659 AC_PATH_PROG(RM, [rm], [rm])
660 AC_PATH_PROG(SED, [sed], [sed])
661 AC_PATH_PROG(TAR, [tar], [gtar])
662 AC_PATH_PROG(BINPWD,[pwd], [pwd])
664 dnl Looking for misc. graph plotting software
665 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
666 if test "$GRAPHVIZ" != "echo Graphviz" ; then
667 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
668 dnl If we're targeting for mingw we should emit windows paths, not msys
669 if test "$llvm_cv_os_type" = "MingW" ; then
670 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
672 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
673 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
675 AC_PATH_PROG(DOT, [dot], [echo dot])
676 if test "$DOT" != "echo dot" ; then
677 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
678 dnl If we're targeting for mingw we should emit windows paths, not msys
679 if test "$llvm_cv_os_type" = "MingW" ; then
680 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
682 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
683 [Define to path to dot program if found or 'echo dot' otherwise])
685 AC_PATH_PROG(FDP, [fdp], [echo fdp])
686 if test "$FDP" != "echo fdp" ; then
687 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
688 dnl If we're targeting for mingw we should emit windows paths, not msys
689 if test "$llvm_cv_os_type" = "MingW" ; then
690 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
692 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
693 [Define to path to fdp program if found or 'echo fdp' otherwise])
695 AC_PATH_PROG(NEATO, [neato], [echo neato])
696 if test "$NEATO" != "echo neato" ; then
697 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
698 dnl If we're targeting for mingw we should emit windows paths, not msys
699 if test "$llvm_cv_os_type" = "MingW" ; then
700 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
702 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
703 [Define to path to neato program if found or 'echo neato' otherwise])
705 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
706 if test "$TWOPI" != "echo twopi" ; then
707 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
708 dnl If we're targeting for mingw we should emit windows paths, not msys
709 if test "$llvm_cv_os_type" = "MingW" ; then
710 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
712 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
713 [Define to path to twopi program if found or 'echo twopi' otherwise])
715 AC_PATH_PROG(CIRCO, [circo], [echo circo])
716 if test "$CIRCO" != "echo circo" ; then
717 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
718 dnl If we're targeting for mingw we should emit windows paths, not msys
719 if test "$llvm_cv_os_type" = "MingW" ; then
720 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
722 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
723 [Define to path to circo program if found or 'echo circo' otherwise])
725 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
726 if test "$GV" != "echo gv" ; then
727 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
728 dnl If we're targeting for mingw we should emit windows paths, not msys
729 if test "$llvm_cv_os_type" = "MingW" ; then
730 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
732 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
733 [Define to path to gv program if found or 'echo gv' otherwise])
735 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
736 if test "$DOTTY" != "echo dotty" ; then
737 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
738 dnl If we're targeting for mingw we should emit windows paths, not msys
739 if test "$llvm_cv_os_type" = "MingW" ; then
740 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
742 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
743 [Define to path to dotty program if found or 'echo dotty' otherwise])
746 dnl Look for a sufficiently recent version of Perl.
747 LLVM_PROG_PERL([5.006])
749 if test x"$PERL" = xnone; then
750 AC_SUBST(HAVE_PERL,0)
751 AC_MSG_ERROR([perl is required but was not found, please install it])
753 AC_SUBST(HAVE_PERL,1)
756 dnl Find the install program
759 dnl Checks for documentation and testing tools that we can do without. If these
760 dnl are not found then they are set to "true" which always succeeds but does
761 dnl nothing. This just lets the build output show that we could have done
762 dnl something if the tool was available.
763 AC_PATH_PROG(BZIP2, [bzip2])
764 AC_PATH_PROG(DOXYGEN, [doxygen])
765 AC_PATH_PROG(GROFF, [groff])
766 AC_PATH_PROG(GZIP, [gzip])
767 AC_PATH_PROG(POD2HTML, [pod2html])
768 AC_PATH_PROG(POD2MAN, [pod2man])
769 AC_PATH_PROG(RUNTEST, [runtest])
771 AC_PATH_PROG(ZIP, [zip])
772 AC_PATH_PROGS(OCAMLC, [ocamlc])
773 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
774 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
775 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
776 AC_PATH_PROGS(GAS, [gas as])
778 dnl Determine whether the linker supports the -R option.
781 dnl Determine whether the linker supports the -export-dynamic option.
782 AC_LINK_EXPORT_DYNAMIC
784 dnl Check for libtool and the library that has dlopen function (which must come
785 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
791 if test "$lt_cv_dlopen_self" = "yes" ; then
792 AC_DEFINE([CAN_DLOPEN_SELF],[1],
793 [Define if dlopen(0) will open the symbols of the program])
797 if test "$WITH_LLVMGCCDIR" = "default" ; then
798 LLVMGCC="llvm-gcc${EXEEXT}"
799 LLVMGXX="llvm-g++${EXEEXT}"
800 LLVMGCCCOMMAND="$LLVMGCC"
801 LLVMGXXCOMMAND="$LLVMGXX"
802 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
803 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
804 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
805 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
807 if test -z "$LLVMGCC"; then
808 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
809 LLVMGCCCOMMAND="$LLVMGCC"
811 if test -z "$LLVMGXX"; then
812 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
813 LLVMGXXCOMMAND="$LLVMGXX"
816 AC_SUBST(LLVMGCC,$LLVMGCC)
817 AC_SUBST(LLVMGXX,$LLVMGXX)
818 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
819 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
823 AC_MSG_CHECKING([tool compatibility])
825 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
826 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
827 dnl to support those options.
828 dnl "icc" emits gcc signatures
829 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
841 if test "$GCC" != "yes" && test "$ICC" != "yes"
843 AC_MSG_ERROR([gcc|icc required but not found])
846 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
847 if test "$GXX" != "yes" && test "$IXX" != "yes"
849 AC_MSG_ERROR([g++|icc required but not found])
852 dnl Verify that GCC is version 3.0 or higher
853 if test "$GCC" = "yes"
855 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
856 #error Unsupported GCC version
858 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
861 dnl Check for GNU Make. We use its extensions, so don't build without it
862 if test -z "$llvm_cv_gnu_make_command"
864 AC_MSG_ERROR([GNU Make required but not found])
867 dnl Tool compatibility is okay if we make it here.
870 dnl===-----------------------------------------------------------------------===
872 dnl=== SECTION 5: Check for libraries
874 dnl===-----------------------------------------------------------------------===
877 if test "$llvm_cv_os_type" = "MingW" ; then
878 AC_CHECK_LIB(imagehlp, main)
879 AC_CHECK_LIB(psapi, main)
882 dnl dlopen() is required for plugin support.
883 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
884 [Define if dlopen() is available on this platform.]),
885 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
887 dnl libffi is optional; used to call external functions from the interpreter
888 if test "$llvm_cv_enable_libffi" = "yes" ; then
889 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
890 [Define if libffi is available on this platform.]),
891 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
894 dnl mallinfo is optional; the code can compile (minus features) without it
895 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
896 [Define if mallinfo() is available on this platform.]))
898 dnl pthread locking functions are optional - but llvm will not be thread-safe
900 if test "$ENABLE_THREADS" -eq 1 ; then
901 AC_CHECK_LIB(pthread,pthread_mutex_init)
902 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
903 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
904 [Have pthread_mutex_lock]))
905 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
906 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
907 [Have pthread_rwlock_init]))
908 AC_SEARCH_LIBS(pthread_getspecific,pthread,
909 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
910 [Have pthread_getspecific]))
913 dnl Allow extra x86-disassembler library
915 AS_HELP_STRING([--with-udis86=<path>],
916 [Use udis86 external x86 disassembler library]),
918 AC_SUBST(USE_UDIS86, [1])
921 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
923 AC_CHECK_LIB(udis86, ud_init, [], [
924 echo "Error! You need to have libudis86 around."
928 AC_SUBST(USE_UDIS86, [0]))
929 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
930 [Define if use udis86 library])
932 dnl Allow OProfile support for JIT output.
933 AC_ARG_WITH(oprofile,
934 AS_HELP_STRING([--with-oprofile=<prefix>],
935 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
937 AC_SUBST(USE_OPROFILE, [1])
939 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
940 *) llvm_cv_oppath="${withval}/lib/oprofile"
941 CPPFLAGS="-I${withval}/include";;
943 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
944 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
945 echo "Error! You need to have libopagent around."
948 AC_CHECK_HEADER([opagent.h], [], [
949 echo "Error! You need to have opagent.h around."
954 llvm_cv_old_LIBS="$LIBS"
955 LIBS="$LIBS -L/usr/lib/oprofile -Wl,-rpath,/usr/lib/oprofile"
956 dnl If either the library or header aren't present, omit oprofile support.
957 AC_SEARCH_LIBS(op_open_agent, opagent,
958 [AC_SUBST(USE_OPROFILE, [1])],
959 [LIBS="$llvm_cv_old_LIBS"
960 AC_SUBST(USE_OPROFILE, [0])])
961 AC_CHECK_HEADER([opagent.h], [], [
962 LIBS="$llvm_cv_old_LIBS"
963 AC_SUBST(USE_OPROFILE, [0])
966 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
967 [Define if we have the oprofile JIT-support library])
969 dnl===-----------------------------------------------------------------------===
971 dnl=== SECTION 6: Check for header files
973 dnl===-----------------------------------------------------------------------===
975 dnl First, use autoconf provided macros for specific headers that we need
976 dnl We don't check for ancient stuff or things that are guaranteed to be there
977 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
978 dnl Generally we're looking for POSIX headers.
980 AC_HEADER_MMAP_ANONYMOUS
986 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
987 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
988 AC_CHECK_HEADERS([utime.h windows.h])
989 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
990 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
991 if test "$ENABLE_THREADS" -eq 1 ; then
992 AC_CHECK_HEADERS(pthread.h,
993 AC_SUBST(HAVE_PTHREAD, 1),
994 AC_SUBST(HAVE_PTHREAD, 0))
996 AC_SUBST(HAVE_PTHREAD, 0)
999 dnl Try to find ffi.h.
1000 if test "$llvm_cv_enable_libffi" = "yes" ; then
1001 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1004 dnl===-----------------------------------------------------------------------===
1006 dnl=== SECTION 7: Check for types and structures
1008 dnl===-----------------------------------------------------------------------===
1015 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1016 AC_CHECK_TYPES([uint64_t],,
1017 AC_CHECK_TYPES([u_int64_t],,
1018 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1020 dnl===-----------------------------------------------------------------------===
1022 dnl=== SECTION 8: Check for specific functions needed
1024 dnl===-----------------------------------------------------------------------===
1026 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1027 AC_CHECK_FUNCS([powf fmodf strtof round ])
1028 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1029 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1030 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1031 AC_CHECK_FUNCS([strerror strerror_r strerror_s ])
1032 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1033 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1038 dnl Check for variations in the Standard C++ library and STL. These macros are
1039 dnl provided by LLVM in the autoconf/m4 directory.
1040 AC_CXX_HAVE_STD_ITERATOR
1041 AC_CXX_HAVE_BI_ITERATOR
1042 AC_CXX_HAVE_FWD_ITERATOR
1046 dnl Check for mmap support.We also need to know if /dev/zero is required to
1047 dnl be opened for allocating RWX memory.
1048 dnl Make sure we aren't attempting to configure for an unknown system
1049 if test "$llvm_cv_platform_type" = "Unix" ; then
1052 AC_NEED_DEV_ZERO_FOR_MMAP
1054 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1056 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1058 if test "$ac_cv_func_mmap_file" = "no"
1060 AC_MSG_WARN([mmap() of files required but not found])
1064 dnl atomic builtins are required for threading support.
1065 AC_MSG_CHECKING(for GCC atomic builtins)
1069 volatile unsigned long val = 1;
1070 __sync_synchronize();
1071 __sync_val_compare_and_swap(&val, 1, 0);
1072 __sync_add_and_fetch(&val, 1);
1073 __sync_sub_and_fetch(&val, 1);
1078 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1080 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1081 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1084 dnl===-----------------------------------------------------------------------===
1086 dnl=== SECTION 9: Additional checks, variables, etc.
1088 dnl===-----------------------------------------------------------------------===
1090 dnl Check, whether __dso_handle is present
1091 AC_CHECK_FUNCS([__dso_handle])
1093 dnl See if the llvm-gcc executable can compile to LLVM assembly
1094 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1095 [llvm_cv_llvmgcc_sanity="no"
1096 if test -x "$LLVMGCC" ; then
1097 cp /dev/null conftest.c
1098 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1099 grep 'target datalayout =' > /dev/null 2>&1
1100 if test $? -eq 0 ; then
1101 llvm_cv_llvmgcc_sanity="yes"
1106 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1107 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1108 AC_MSG_CHECKING([llvm-gcc component support])
1109 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1110 AC_SUBST(LLVMCC1,$llvmcc1path)
1111 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1112 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1113 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1114 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1115 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1116 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1117 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1118 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1119 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1120 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1121 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1122 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1126 dnl Propagate the shared library extension that the libltdl checks did to
1127 dnl the Makefiles so we can use it there too
1128 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1130 # Translate the various configuration directories and other basic
1131 # information into substitutions that will end up in Makefile.config.in
1132 # that these configured values can be used by the makefiles
1133 if test "${prefix}" = "NONE" ; then
1136 eval LLVM_PREFIX="${prefix}";
1137 eval LLVM_BINDIR="${prefix}/bin";
1138 eval LLVM_LIBDIR="${prefix}/lib";
1139 eval LLVM_DATADIR="${prefix}/share/llvm";
1140 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1141 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1142 eval LLVM_INCLUDEDIR="${prefix}/include";
1143 eval LLVM_INFODIR="${prefix}/info";
1144 eval LLVM_MANDIR="${prefix}/man";
1145 LLVM_CONFIGTIME=`date`
1146 AC_SUBST(LLVM_PREFIX)
1147 AC_SUBST(LLVM_BINDIR)
1148 AC_SUBST(LLVM_LIBDIR)
1149 AC_SUBST(LLVM_DATADIR)
1150 AC_SUBST(LLVM_DOCSDIR)
1151 AC_SUBST(LLVM_ETCDIR)
1152 AC_SUBST(LLVM_INCLUDEDIR)
1153 AC_SUBST(LLVM_INFODIR)
1154 AC_SUBST(LLVM_MANDIR)
1155 AC_SUBST(LLVM_CONFIGTIME)
1157 # Place the various directores into the config.h file as #defines so that we
1158 # can know about the installation paths within LLVM.
1159 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1160 [Installation prefix directory])
1161 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1162 [Installation directory for binary executables])
1163 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1164 [Installation directory for libraries])
1165 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1166 [Installation directory for data files])
1167 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1168 [Installation directory for documentation])
1169 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1170 [Installation directory for config files])
1171 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1172 [Installation directory for include files])
1173 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1174 [Installation directory for .info files])
1175 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1176 [Installation directory for man pages])
1177 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1178 [Time at which LLVM was configured])
1179 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1180 [Host triple we were built on])
1182 # Determine which bindings to build.
1183 if test "$BINDINGS_TO_BUILD" = auto ; then
1184 BINDINGS_TO_BUILD=""
1185 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1186 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1189 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1191 # This isn't really configurey, but it avoids having to repeat the list in
1193 AC_SUBST(ALL_BINDINGS,ocaml)
1195 # Do any work necessary to ensure that bindings have what they need.
1196 binding_prereqs_failed=0
1197 for a_binding in $BINDINGS_TO_BUILD ; do
1198 case "$a_binding" in
1200 if test "x$OCAMLC" = x ; then
1201 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1202 binding_prereqs_failed=1
1204 if test "x$OCAMLDEP" = x ; then
1205 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1206 binding_prereqs_failed=1
1208 if test "x$OCAMLOPT" = x ; then
1209 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1210 dnl ocamlopt is optional!
1212 if test "x$with_ocaml_libdir" != xauto ; then
1213 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1215 ocaml_stdlib="`"$OCAMLC" -where`"
1216 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1218 # ocaml stdlib is beneath our prefix; use stdlib
1219 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1221 # ocaml stdlib is outside our prefix; use libdir/ocaml
1222 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1228 if test "$binding_prereqs_failed" = 1 ; then
1229 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1232 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1233 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1235 dnl Determine linker rpath flag
1236 if test "$llvm_cv_link_use_r" = "yes" ; then
1243 dnl Determine linker rdynamic flag
1244 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1245 RDYNAMIC="-Wl,-export-dynamic"
1251 dnl===-----------------------------------------------------------------------===
1253 dnl=== SECTION 10: Specify the output files and generate it
1255 dnl===-----------------------------------------------------------------------===
1257 dnl Configure header files
1258 dnl WARNING: dnl If you add or remove any of the following config headers, then
1259 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1260 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1261 dnl files can be updated automatically when their *.in sources change.
1262 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1263 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1264 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1265 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1266 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1267 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1269 dnl Configure the makefile's configuration data
1270 AC_CONFIG_FILES([Makefile.config])
1272 dnl Configure the RPM spec file for LLVM
1273 AC_CONFIG_FILES([llvm.spec])
1275 dnl Configure doxygen's configuration file
1276 AC_CONFIG_FILES([docs/doxygen.cfg])
1278 dnl Configure llvmc's Base plugin
1279 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1281 dnl Do the first stage of configuration for llvm-config.in.
1282 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1284 dnl Do special configuration of Makefiles
1285 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1286 AC_CONFIG_MAKEFILE(Makefile)
1287 AC_CONFIG_MAKEFILE(Makefile.common)
1288 AC_CONFIG_MAKEFILE(examples/Makefile)
1289 AC_CONFIG_MAKEFILE(lib/Makefile)
1290 AC_CONFIG_MAKEFILE(runtime/Makefile)
1291 AC_CONFIG_MAKEFILE(test/Makefile)
1292 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1293 AC_CONFIG_MAKEFILE(unittests/Makefile)
1294 AC_CONFIG_MAKEFILE(tools/Makefile)
1295 AC_CONFIG_MAKEFILE(utils/Makefile)
1296 AC_CONFIG_MAKEFILE(projects/Makefile)
1297 AC_CONFIG_MAKEFILE(bindings/Makefile)
1298 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1300 dnl Finally, crank out the output