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 $llvm_cv_platform_type in
203 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
204 AC_SUBST(LLVM_ON_UNIX,[1])
205 AC_SUBST(LLVM_ON_WIN32,[0])
208 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
209 AC_SUBST(LLVM_ON_UNIX,[0])
210 AC_SUBST(LLVM_ON_WIN32,[1])
214 dnl Determine what our target architecture is and configure accordingly.
215 dnl This will allow Makefiles to make a distinction between the hardware and
217 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
219 i?86-*) llvm_cv_target_arch="x86" ;;
220 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
221 sparc*-*) llvm_cv_target_arch="Sparc" ;;
222 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
223 alpha*-*) llvm_cv_target_arch="Alpha" ;;
224 ia64-*) llvm_cv_target_arch="IA64" ;;
225 arm*-*) llvm_cv_target_arch="ARM" ;;
226 mips-*) llvm_cv_target_arch="Mips" ;;
227 pic16-*) llvm_cv_target_arch="PIC16" ;;
228 xcore-*) llvm_cv_target_arch="XCore" ;;
229 msp430-*) llvm_cv_target_arch="MSP430" ;;
230 *) llvm_cv_target_arch="Unknown" ;;
233 if test "$llvm_cv_target_arch" = "Unknown" ; then
234 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
237 # Determine the LLVM native architecture for the target
238 case "$llvm_cv_target_arch" in
239 x86) LLVM_NATIVE_ARCH="X86" ;;
240 x86_64) LLVM_NATIVE_ARCH="X86" ;;
241 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
244 dnl Define a substitution, ARCH, for the target architecture
245 AC_SUBST(ARCH,$llvm_cv_target_arch)
247 dnl Check for the endianness of the target
248 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
250 dnl Check for build platform executable suffix if we're crosscompiling
251 if test "$cross_compiling" = yes; then
252 AC_SUBST(LLVM_CROSS_COMPILING, [1])
254 ac_build_prefix=${build_alias}-
255 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
256 if test -z "$BUILD_CXX"; then
257 AC_CHECK_PROG(BUILD_CXX, g++, g++)
258 if test -z "$BUILD_CXX"; then
259 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
263 AC_SUBST(LLVM_CROSS_COMPILING, [0])
266 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
267 dnl that this build is being done from a checkout. This sets up several
268 dnl defaults for the command line switches. When we build with a CVS directory,
269 dnl we get a debug with assertions turned on. Without, we assume a source
270 dnl release and we get an optimized build without assertions.
271 dnl See --enable-optimized and --enable-assertions below
272 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
275 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
281 dnl===-----------------------------------------------------------------------===
283 dnl=== SECTION 3: Command line arguments for the configure script.
285 dnl===-----------------------------------------------------------------------===
287 dnl --enable-optimized : check whether they want to do an optimized build:
288 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
289 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
290 if test ${enableval} = "no" ; then
291 AC_SUBST(ENABLE_OPTIMIZED,[[]])
293 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
296 dnl --enable-profiling : check whether they want to do a profile build:
297 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
298 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
299 if test ${enableval} = "no" ; then
300 AC_SUBST(ENABLE_PROFILING,[[]])
302 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
305 dnl --enable-assertions : check whether they want to turn on assertions or not:
306 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
307 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
308 if test ${enableval} = "yes" ; then
309 AC_SUBST(DISABLE_ASSERTIONS,[[]])
311 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
314 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
315 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
316 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
317 if test ${enableval} = "yes" ; then
318 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
319 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
321 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
322 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
325 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
326 AC_ARG_ENABLE(debug-runtime,
327 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
328 if test ${enableval} = "no" ; then
329 AC_SUBST(DEBUG_RUNTIME,[[]])
331 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
334 dnl --enable-jit: check whether they want to enable the jit
336 AS_HELP_STRING(--enable-jit,
337 [Enable Just In Time Compiling (default is YES)]),,
339 if test ${enableval} = "no"
343 case "$llvm_cv_target_arch" in
344 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
345 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
346 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
347 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
348 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
349 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
350 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
351 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
352 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
353 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
354 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
355 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
359 dnl Allow enablement of doxygen generated documentation
360 AC_ARG_ENABLE(doxygen,
361 AS_HELP_STRING([--enable-doxygen],
362 [Build doxygen documentation (default is NO)]),,
365 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
366 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
367 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
368 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
371 dnl Allow disablement of threads
372 AC_ARG_ENABLE(threads,
373 AS_HELP_STRING([--enable-threads],
374 [Use threads if available (default is YES)]),,
377 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
378 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
379 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
380 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
382 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
384 dnl Allow building without position independent code
386 AS_HELP_STRING([--enable-pic],
387 [Build LLVM with Position Independent Code (default is YES)]),,
390 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
391 no) AC_SUBST(ENABLE_PIC,[0]) ;;
392 default) AC_SUBST(ENABLE_PIC,[1]) ;;
393 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
395 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
396 [Define if position independent code is enabled])
398 dnl Allow specific targets to be specified for building (or not)
400 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
401 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
404 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 CBackend MSIL CppBackend" ;;
406 case "$llvm_cv_target_arch" in
407 x86) TARGETS_TO_BUILD="X86" ;;
408 x86_64) TARGETS_TO_BUILD="X86" ;;
409 Sparc) TARGETS_TO_BUILD="Sparc" ;;
410 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
411 Alpha) TARGETS_TO_BUILD="Alpha" ;;
412 IA64) TARGETS_TO_BUILD="IA64" ;;
413 ARM) TARGETS_TO_BUILD="ARM" ;;
414 Mips) TARGETS_TO_BUILD="Mips" ;;
415 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
416 PIC16) TARGETS_TO_BUILD="PIC16" ;;
417 XCore) TARGETS_TO_BUILD="XCore" ;;
418 MSP430) TARGETS_TO_BUILD="MSP430" ;;
419 *) AC_MSG_ERROR([Can not set target to build]) ;;
422 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
424 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
425 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
426 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
427 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
428 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
429 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
430 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
431 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
432 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
433 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
434 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
435 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
436 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
437 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
438 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
439 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
444 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
446 # Determine whether we are building LLVM support for the native architecture.
447 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
448 for a_target in $TARGETS_TO_BUILD; do
449 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
450 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
451 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
452 [LLVM architecture name for the native architecture, if available])
456 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
457 # Targets.def and AsmPrinters.def.
459 LLVM_ENUM_ASM_PRINTERS=""
460 for target_to_build in $TARGETS_TO_BUILD; do
461 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
462 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
463 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
466 AC_SUBST(LLVM_ENUM_TARGETS)
467 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
469 dnl Prevent the CBackend from using printf("%a") for floating point so older
470 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
471 dnl can still compile the CBE's output
472 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
473 [Enable C Backend output with hex floating point via %a (default is YES)]),,
476 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
477 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
478 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
479 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
481 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
482 [Define if CBE is enabled for printf %a output])
484 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
485 AC_ARG_WITH(llvmgccdir,
486 AS_HELP_STRING([--with-llvmgccdir],
487 [Specify location of llvm-gcc install dir (default searches PATH)]),,
490 default) WITH_LLVMGCCDIR=default ;;
491 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
492 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
495 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
497 AS_HELP_STRING([--with-llvmgcc],
498 [Specify location of llvm-gcc driver (default searches PATH)]),
499 LLVMGCC=$with_llvmgcc
502 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
504 AS_HELP_STRING([--with-llvmgxx],
505 [Specify location of llvm-g++ driver (default searches PATH)]),
506 LLVMGXX=$with_llvmgxx
509 if test -n "$LLVMGCC"; then
510 LLVMGCCCOMMAND="$LLVMGCC"
513 if test -n "$LLVMGXX"; then
514 LLVMGXXCOMMAND="$LLVMGXX"
517 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
518 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
521 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
522 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
525 dnl Specify extra build options
526 AC_ARG_WITH(extra-options,
527 AS_HELP_STRING([--with-extra-options],
528 [Specify additional options to compile LLVM with]),,
531 default) EXTRA_OPTIONS= ;;
532 *) EXTRA_OPTIONS=$withval ;;
534 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
536 dnl Allow specific bindings to be specified for building (or not)
537 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
538 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
542 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
543 all ) BINDINGS_TO_BUILD="ocaml" ;;
544 none | no) BINDINGS_TO_BUILD="" ;;
545 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
547 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
548 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
554 dnl Allow the ocaml libdir to be overridden. This could go in a configure
555 dnl script for bindings/ocaml/configure, except that its auto value depends on
556 dnl OCAMLC, which is found here to support tests.
557 AC_ARG_WITH([ocaml-libdir],
558 [AS_HELP_STRING([--with-ocaml-libdir],
559 [Specify install location for ocaml bindings (default is stdlib)])],
563 auto) with_ocaml_libdir="$withval" ;;
564 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
565 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
568 dnl Allow linking of LLVM with GPLv3 binutils code.
569 AC_ARG_WITH(binutils-include,
570 AS_HELP_STRING([--with-binutils-include],
571 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
574 default) WITH_BINUTILS_INCDIR=default ;;
575 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
576 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
578 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
579 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
580 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
581 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
582 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
586 dnl --enable-libffi : check whether the user wants to turn off libffi:
587 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
588 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
591 yes) llvm_cv_enable_libffi="yes" ;;
592 no) llvm_cv_enable_libffi="no" ;;
593 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
596 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
597 if test "$llvm_cv_os_type" = "Win32" ; then
603 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
604 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
605 --enable-llvmc-dynamic,
606 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
607 enableval=$llvmc_dynamic)
608 if test ${enableval} = "no"; then
609 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
611 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
614 dnl===-----------------------------------------------------------------------===
616 dnl=== SECTION 4: Check for programs we need and that they are the right version
618 dnl===-----------------------------------------------------------------------===
620 dnl Check for compilation tools
628 dnl Check for the tools that the makefiles require
631 AC_PATH_PROG(CMP, [cmp], [cmp])
632 AC_PATH_PROG(CP, [cp], [cp])
633 AC_PATH_PROG(DATE, [date], [date])
634 AC_PATH_PROG(FIND, [find], [find])
635 AC_PATH_PROG(GREP, [grep], [grep])
636 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
637 AC_PATH_PROG(MV, [mv], [mv])
639 AC_PATH_PROG(RM, [rm], [rm])
640 AC_PATH_PROG(SED, [sed], [sed])
641 AC_PATH_PROG(TAR, [tar], [gtar])
642 AC_PATH_PROG(BINPWD,[pwd], [pwd])
644 dnl Looking for misc. graph plotting software
645 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
646 if test "$GRAPHVIZ" != "echo Graphviz" ; then
647 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
648 dnl If we're targeting for mingw we should emit windows paths, not msys
649 if test "$llvm_cv_os_type" = "MingW" ; then
650 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
652 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
653 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
655 AC_PATH_PROG(DOT, [dot], [echo dot])
656 if test "$DOT" != "echo dot" ; then
657 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
658 dnl If we're targeting for mingw we should emit windows paths, not msys
659 if test "$llvm_cv_os_type" = "MingW" ; then
660 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
662 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
663 [Define to path to dot program if found or 'echo dot' otherwise])
665 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
666 if test "$GV" != "echo gv" ; then
667 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
668 dnl If we're targeting for mingw we should emit windows paths, not msys
669 if test "$llvm_cv_os_type" = "MingW" ; then
670 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
672 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
673 [Define to path to gv program if found or 'echo gv' otherwise])
675 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
676 if test "$DOTTY" != "echo dotty" ; then
677 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
678 dnl If we're targeting for mingw we should emit windows paths, not msys
679 if test "$llvm_cv_os_type" = "MingW" ; then
680 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
682 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
683 [Define to path to dotty program if found or 'echo dotty' otherwise])
686 dnl Look for a sufficiently recent version of Perl.
687 LLVM_PROG_PERL([5.006])
689 if test x"$PERL" = xnone; then
690 AC_SUBST(HAVE_PERL,0)
691 AC_MSG_ERROR([perl is required but was not found, please install it])
693 AC_SUBST(HAVE_PERL,1)
696 dnl Find the install program
699 dnl Checks for documentation and testing tools that we can do without. If these
700 dnl are not found then they are set to "true" which always succeeds but does
701 dnl nothing. This just lets the build output show that we could have done
702 dnl something if the tool was available.
703 AC_PATH_PROG(BZIP2, [bzip2])
704 AC_PATH_PROG(DOXYGEN, [doxygen])
705 AC_PATH_PROG(GROFF, [groff])
706 AC_PATH_PROG(GZIP, [gzip])
707 AC_PATH_PROG(POD2HTML, [pod2html])
708 AC_PATH_PROG(POD2MAN, [pod2man])
709 AC_PATH_PROG(RUNTEST, [runtest])
711 AC_PATH_PROG(ZIP, [zip])
712 AC_PATH_PROGS(OCAMLC, [ocamlc])
713 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
714 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
715 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
716 AC_PATH_PROGS(GAS, [gas as])
718 dnl Determine whether the linker supports the -R option.
721 dnl Determine whether the linker supports the -export-dynamic option.
722 AC_LINK_EXPORT_DYNAMIC
724 dnl Check for libtool and the library that has dlopen function (which must come
725 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
731 if test "$lt_cv_dlopen_self" = "yes" ; then
732 AC_DEFINE([CAN_DLOPEN_SELF],[1],
733 [Define if dlopen(0) will open the symbols of the program])
737 if test "$WITH_LLVMGCCDIR" = "default" ; then
738 LLVMGCC="llvm-gcc${EXEEXT}"
739 LLVMGXX="llvm-g++${EXEEXT}"
740 LLVMGCCCOMMAND="$LLVMGCC"
741 LLVMGXXCOMMAND="$LLVMGXX"
742 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
743 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
744 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
745 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
747 if test -z "$LLVMGCC"; then
748 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
749 LLVMGCCCOMMAND="$LLVMGCC"
751 if test -z "$LLVMGXX"; then
752 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
753 LLVMGXXCOMMAND="$LLVMGXX"
756 AC_SUBST(LLVMGCC,$LLVMGCC)
757 AC_SUBST(LLVMGXX,$LLVMGXX)
758 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
759 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
763 AC_MSG_CHECKING([tool compatibility])
765 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
766 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
767 dnl to support those options.
768 dnl "icc" emits gcc signatures
769 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
781 if test "$GCC" != "yes" && test "$ICC" != "yes"
783 AC_MSG_ERROR([gcc|icc required but not found])
786 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
787 if test "$GXX" != "yes" && test "$IXX" != "yes"
789 AC_MSG_ERROR([g++|icc required but not found])
792 dnl Verify that GCC is version 3.0 or higher
793 if test "$GCC" = "yes"
795 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
796 #error Unsupported GCC version
798 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
801 dnl Check for GNU Make. We use its extensions, so don't build without it
802 if test -z "$llvm_cv_gnu_make_command"
804 AC_MSG_ERROR([GNU Make required but not found])
807 dnl Tool compatibility is okay if we make it here.
810 dnl===-----------------------------------------------------------------------===
812 dnl=== SECTION 5: Check for libraries
814 dnl===-----------------------------------------------------------------------===
816 dnl libelf is for sparc only; we can ignore it if we don't have it
817 AC_CHECK_LIB(elf, elf_begin)
819 if test "$llvm_cv_os_type" = "MingW" ; then
820 AC_CHECK_LIB(imagehlp, main)
821 AC_CHECK_LIB(psapi, main)
824 dnl dlopen() is required for plugin support.
825 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
826 [Define if dlopen() is available on this platform.]),
827 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
829 dnl libffi is optional; used to call external functions from the interpreter
830 if test "$llvm_cv_enable_libffi" = "yes" ; then
831 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
832 [Define if libffi is available on this platform.]),
833 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
836 dnl mallinfo is optional; the code can compile (minus features) without it
837 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
838 [Define if mallinfo() is available on this platform.]))
840 dnl pthread locking functions are optional - but llvm will not be thread-safe
842 if test "$ENABLE_THREADS" -eq 1 ; then
843 AC_CHECK_LIB(pthread,pthread_mutex_init)
844 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
845 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
846 [Have pthread_mutex_lock]))
847 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
848 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
849 [Have pthread_rwlock_init]))
850 AC_SEARCH_LIBS(pthread_getspecific,pthread,
851 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
852 [Have pthread_getspecific]))
855 dnl Allow extra x86-disassembler library
857 AS_HELP_STRING([--with-udis86=<path>],
858 [Use udis86 external x86 disassembler library]),
860 AC_SUBST(USE_UDIS86, [1])
863 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
865 AC_CHECK_LIB(udis86, ud_init, [], [
866 echo "Error! You need to have libudis86 around."
870 AC_SUBST(USE_UDIS86, [0]))
871 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
872 [Define if use udis86 library])
874 dnl===-----------------------------------------------------------------------===
876 dnl=== SECTION 6: Check for header files
878 dnl===-----------------------------------------------------------------------===
880 dnl First, use autoconf provided macros for specific headers that we need
881 dnl We don't check for ancient stuff or things that are guaranteed to be there
882 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
883 dnl Generally we're looking for POSIX headers.
885 AC_HEADER_MMAP_ANONYMOUS
891 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
892 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
893 AC_CHECK_HEADERS([utime.h windows.h])
894 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
895 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
896 if test "$ENABLE_THREADS" -eq 1 ; then
897 AC_CHECK_HEADERS(pthread.h,
898 AC_SUBST(HAVE_PTHREAD, 1),
899 AC_SUBST(HAVE_PTHREAD, 0))
901 AC_SUBST(HAVE_PTHREAD, 0)
904 dnl Try to find ffi.h.
905 if test "$llvm_cv_enable_libffi" = "yes" ; then
906 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
909 dnl===-----------------------------------------------------------------------===
911 dnl=== SECTION 7: Check for types and structures
913 dnl===-----------------------------------------------------------------------===
920 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
921 AC_CHECK_TYPES([uint64_t],,
922 AC_CHECK_TYPES([u_int64_t],,
923 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
925 dnl===-----------------------------------------------------------------------===
927 dnl=== SECTION 8: Check for specific functions needed
929 dnl===-----------------------------------------------------------------------===
931 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
932 AC_CHECK_FUNCS([powf fmodf strtof round ])
933 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
934 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
935 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
936 AC_CHECK_FUNCS([strerror strerror_r strerror_s ])
937 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
938 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
943 dnl Check for variations in the Standard C++ library and STL. These macros are
944 dnl provided by LLVM in the autoconf/m4 directory.
945 AC_CXX_HAVE_STD_ITERATOR
946 AC_CXX_HAVE_BI_ITERATOR
947 AC_CXX_HAVE_FWD_ITERATOR
951 dnl Check for mmap support.We also need to know if /dev/zero is required to
952 dnl be opened for allocating RWX memory.
953 dnl Make sure we aren't attempting to configure for an unknown system
954 if test "$llvm_cv_platform_type" = "Unix" ; then
957 AC_NEED_DEV_ZERO_FOR_MMAP
959 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
961 AC_MSG_WARN([mmap() of a fixed address required but not supported])
963 if test "$ac_cv_func_mmap_file" = "no"
965 AC_MSG_WARN([mmap() of files required but not found])
969 dnl atomic builtins are required for threading support.
970 AC_MSG_CHECKING(for GCC atomic builtins)
974 volatile unsigned long val = 1;
975 __sync_synchronize();
976 __sync_val_compare_and_swap(&val, 1, 0);
977 __sync_add_and_fetch(&val, 1);
978 __sync_sub_and_fetch(&val, 1);
983 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
985 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
986 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
989 dnl===-----------------------------------------------------------------------===
991 dnl=== SECTION 9: Additional checks, variables, etc.
993 dnl===-----------------------------------------------------------------------===
995 dnl Check, whether __dso_handle is present
996 AC_CHECK_FUNCS([__dso_handle])
998 dnl See if the llvm-gcc executable can compile to LLVM assembly
999 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1000 [llvm_cv_llvmgcc_sanity="no"
1001 if test -x "$LLVMGCC" ; then
1002 cp /dev/null conftest.c
1003 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1004 grep 'target datalayout =' > /dev/null 2>&1
1005 if test $? -eq 0 ; then
1006 llvm_cv_llvmgcc_sanity="yes"
1011 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1012 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1013 AC_MSG_CHECKING([llvm-gcc component support])
1014 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1015 AC_SUBST(LLVMCC1,$llvmcc1path)
1016 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1017 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1018 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1019 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1020 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1021 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1022 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1023 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1024 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1025 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1026 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1027 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1031 dnl Propagate the shared library extension that the libltdl checks did to
1032 dnl the Makefiles so we can use it there too
1033 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1035 # Translate the various configuration directories and other basic
1036 # information into substitutions that will end up in Makefile.config.in
1037 # that these configured values can be used by the makefiles
1038 if test "${prefix}" = "NONE" ; then
1041 eval LLVM_PREFIX="${prefix}";
1042 eval LLVM_BINDIR="${prefix}/bin";
1043 eval LLVM_LIBDIR="${prefix}/lib";
1044 eval LLVM_DATADIR="${prefix}/share/llvm";
1045 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1046 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1047 eval LLVM_INCLUDEDIR="${prefix}/include";
1048 eval LLVM_INFODIR="${prefix}/info";
1049 eval LLVM_MANDIR="${prefix}/man";
1050 LLVM_CONFIGTIME=`date`
1051 AC_SUBST(LLVM_PREFIX)
1052 AC_SUBST(LLVM_BINDIR)
1053 AC_SUBST(LLVM_LIBDIR)
1054 AC_SUBST(LLVM_DATADIR)
1055 AC_SUBST(LLVM_DOCSDIR)
1056 AC_SUBST(LLVM_ETCDIR)
1057 AC_SUBST(LLVM_INCLUDEDIR)
1058 AC_SUBST(LLVM_INFODIR)
1059 AC_SUBST(LLVM_MANDIR)
1060 AC_SUBST(LLVM_CONFIGTIME)
1062 # Place the various directores into the config.h file as #defines so that we
1063 # can know about the installation paths within LLVM.
1064 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1065 [Installation prefix directory])
1066 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1067 [Installation directory for binary executables])
1068 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1069 [Installation directory for libraries])
1070 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1071 [Installation directory for data files])
1072 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1073 [Installation directory for documentation])
1074 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1075 [Installation directory for config files])
1076 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1077 [Installation directory for include files])
1078 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1079 [Installation directory for .info files])
1080 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1081 [Installation directory for man pages])
1082 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1083 [Time at which LLVM was configured])
1084 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1085 [Host triple we were built on])
1087 # Determine which bindings to build.
1088 if test "$BINDINGS_TO_BUILD" = auto ; then
1089 BINDINGS_TO_BUILD=""
1090 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1091 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1094 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1096 # This isn't really configurey, but it avoids having to repeat the list in
1098 AC_SUBST(ALL_BINDINGS,ocaml)
1100 # Do any work necessary to ensure that bindings have what they need.
1101 binding_prereqs_failed=0
1102 for a_binding in $BINDINGS_TO_BUILD ; do
1103 case "$a_binding" in
1105 if test "x$OCAMLC" = x ; then
1106 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1107 binding_prereqs_failed=1
1109 if test "x$OCAMLDEP" = x ; then
1110 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1111 binding_prereqs_failed=1
1113 if test "x$OCAMLOPT" = x ; then
1114 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1115 dnl ocamlopt is optional!
1117 if test "x$with_ocaml_libdir" != xauto ; then
1118 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1120 ocaml_stdlib="`"$OCAMLC" -where`"
1121 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1123 # ocaml stdlib is beneath our prefix; use stdlib
1124 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1126 # ocaml stdlib is outside our prefix; use libdir/ocaml
1127 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1133 if test "$binding_prereqs_failed" = 1 ; then
1134 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1137 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1138 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1140 dnl Determine linker rpath flag
1141 if test "$llvm_cv_link_use_r" = "yes" ; then
1148 dnl Determine linker rdynamic flag
1149 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1150 RDYNAMIC="-Wl,-export-dynamic"
1156 dnl===-----------------------------------------------------------------------===
1158 dnl=== SECTION 10: Specify the output files and generate it
1160 dnl===-----------------------------------------------------------------------===
1162 dnl Configure header files
1163 dnl WARNING: dnl If you add or remove any of the following config headers, then
1164 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1165 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1166 dnl files can be updated automatically when their *.in sources change.
1167 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1168 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1169 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1170 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1171 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1173 dnl Configure the makefile's configuration data
1174 AC_CONFIG_FILES([Makefile.config])
1176 dnl Configure the RPM spec file for LLVM
1177 AC_CONFIG_FILES([llvm.spec])
1179 dnl Configure doxygen's configuration file
1180 AC_CONFIG_FILES([docs/doxygen.cfg])
1182 dnl Configure llvmc's Base plugin
1183 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1185 dnl Do the first stage of configuration for llvm-config.in.
1186 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1188 dnl Do special configuration of Makefiles
1189 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1190 AC_CONFIG_MAKEFILE(Makefile)
1191 AC_CONFIG_MAKEFILE(Makefile.common)
1192 AC_CONFIG_MAKEFILE(examples/Makefile)
1193 AC_CONFIG_MAKEFILE(lib/Makefile)
1194 AC_CONFIG_MAKEFILE(runtime/Makefile)
1195 AC_CONFIG_MAKEFILE(test/Makefile)
1196 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1197 AC_CONFIG_MAKEFILE(unittests/Makefile)
1198 AC_CONFIG_MAKEFILE(tools/Makefile)
1199 AC_CONFIG_MAKEFILE(utils/Makefile)
1200 AC_CONFIG_MAKEFILE(projects/Makefile)
1201 AC_CONFIG_MAKEFILE(bindings/Makefile)
1202 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1204 dnl Finally, crank out the output