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 dnl Define a substitution, ARCH, for the target architecture
238 AC_SUBST(ARCH,$llvm_cv_target_arch)
240 dnl Check for the endianness of the target
241 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
243 dnl Check for build platform executable suffix if we're crosscompiling
244 if test "$cross_compiling" = yes; then
245 AC_SUBST(LLVM_CROSS_COMPILING, [1])
247 ac_build_prefix=${build_alias}-
248 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
249 if test -z "$BUILD_CXX"; then
250 AC_CHECK_PROG(BUILD_CXX, g++, g++)
251 if test -z "$BUILD_CXX"; then
252 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
256 AC_SUBST(LLVM_CROSS_COMPILING, [0])
259 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
260 dnl that this build is being done from a checkout. This sets up several
261 dnl defaults for the command line switches. When we build with a CVS directory,
262 dnl we get a debug with assertions turned on. Without, we assume a source
263 dnl release and we get an optimized build without assertions.
264 dnl See --enable-optimized and --enable-assertions below
265 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
268 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
274 dnl===-----------------------------------------------------------------------===
276 dnl=== SECTION 3: Command line arguments for the configure script.
278 dnl===-----------------------------------------------------------------------===
280 dnl --enable-optimized : check whether they want to do an optimized build:
281 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
282 [--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
283 if test ${enableval} = "no" ; then
284 AC_SUBST(ENABLE_OPTIMIZED,[[]])
286 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
289 dnl --enable-profiling : check whether they want to do a profile build:
290 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
291 [--enable-profiling,Compile with profiling enabled (default is NO)]),,enableval="no")
292 if test ${enableval} = "no" ; then
293 AC_SUBST(ENABLE_PROFILING,[[]])
295 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
298 dnl --enable-assertions : check whether they want to turn on assertions or not:
299 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
300 [--enable-assertions,Compile with assertion checks enabled (default is YES)]),, enableval="yes")
301 if test ${enableval} = "yes" ; then
302 AC_SUBST(DISABLE_ASSERTIONS,[[]])
304 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
307 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
308 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
309 [--enable-expensive-checks,Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
310 if test ${enableval} = "yes" ; then
311 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
312 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
314 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
315 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
318 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
319 AC_ARG_ENABLE(debug-runtime,
320 AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
321 if test ${enableval} = "no" ; then
322 AC_SUBST(DEBUG_RUNTIME,[[]])
324 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
327 dnl --enable-jit: check whether they want to enable the jit
329 AS_HELP_STRING(--enable-jit,
330 [Enable Just In Time Compiling (default is YES)]),,
332 if test ${enableval} = "no"
336 case "$llvm_cv_target_arch" in
337 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
338 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
339 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
340 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
341 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
342 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
343 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
344 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
345 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
346 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
347 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
348 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
352 dnl Allow enablement of doxygen generated documentation
353 AC_ARG_ENABLE(doxygen,
354 AS_HELP_STRING([--enable-doxygen],
355 [Build doxygen documentation (default is NO)]),,
358 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
359 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
360 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
361 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
364 dnl Allow disablement of threads
365 AC_ARG_ENABLE(threads,
366 AS_HELP_STRING([--enable-threads],
367 [Use threads if available (default is YES)]),,
370 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
371 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
372 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
373 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
375 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
377 dnl Allow building without position independent code
379 AS_HELP_STRING([--enable-pic],
380 [Build LLVM with Position Independent Code (default is YES)]),,
383 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
384 no) AC_SUBST(ENABLE_PIC,[0]) ;;
385 default) AC_SUBST(ENABLE_PIC,[1]) ;;
386 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
388 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
389 [Define if position independent code is enabled])
391 dnl Allow specific targets to be specified for building (or not)
393 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
394 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
397 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 CBackend MSIL CppBackend" ;;
399 case "$llvm_cv_target_arch" in
400 x86) TARGETS_TO_BUILD="X86" ;;
401 x86_64) TARGETS_TO_BUILD="X86" ;;
402 Sparc) TARGETS_TO_BUILD="Sparc" ;;
403 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
404 Alpha) TARGETS_TO_BUILD="Alpha" ;;
405 IA64) TARGETS_TO_BUILD="IA64" ;;
406 ARM) TARGETS_TO_BUILD="ARM" ;;
407 Mips) TARGETS_TO_BUILD="Mips" ;;
408 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
409 PIC16) TARGETS_TO_BUILD="PIC16" ;;
410 XCore) TARGETS_TO_BUILD="XCore" ;;
411 MSP430) TARGETS_TO_BUILD="MSP430" ;;
412 *) AC_MSG_ERROR([Can not set target to build]) ;;
415 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
417 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
418 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
419 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
420 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
421 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
422 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
423 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
424 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
425 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
426 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
427 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
428 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
429 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
430 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
431 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
432 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
437 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
439 dnl Prevent the CBackend from using printf("%a") for floating point so older
440 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
441 dnl can still compile the CBE's output
442 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
443 [Enable C Backend output with hex floating point via %a (default is YES)]),,
446 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
447 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
448 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
449 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
451 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
452 [Define if CBE is enabled for printf %a output])
454 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
455 AC_ARG_WITH(llvmgccdir,
456 AS_HELP_STRING([--with-llvmgccdir],
457 [Specify location of llvm-gcc install dir (default searches PATH)]),,
460 default) WITH_LLVMGCCDIR=default ;;
461 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
462 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
465 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
467 AS_HELP_STRING([--with-llvmgcc],
468 [Specify location of llvm-gcc driver (default searches PATH)]),
469 LLVMGCC=$with_llvmgcc
472 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
474 AS_HELP_STRING([--with-llvmgxx],
475 [Specify location of llvm-g++ driver (default searches PATH)]),
476 LLVMGXX=$with_llvmgxx
479 if test -n "$LLVMGCC"; then
480 LLVMGCCCOMMAND="$LLVMGCC"
483 if test -n "$LLVMGXX"; then
484 LLVMGXXCOMMAND="$LLVMGXX"
487 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
488 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
491 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
492 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
495 dnl Specify extra build options
496 AC_ARG_WITH(extra-options,
497 AS_HELP_STRING([--with-extra-options],
498 [Specify additional options to compile LLVM with]),,
501 default) EXTRA_OPTIONS= ;;
502 *) EXTRA_OPTIONS=$withval ;;
504 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
506 dnl Allow specific bindings to be specified for building (or not)
507 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
508 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
512 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
513 all ) BINDINGS_TO_BUILD="ocaml" ;;
514 none | no) BINDINGS_TO_BUILD="" ;;
515 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
517 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
518 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
524 dnl Allow the ocaml libdir to be overridden. This could go in a configure
525 dnl script for bindings/ocaml/configure, except that its auto value depends on
526 dnl OCAMLC, which is found here to support tests.
527 AC_ARG_WITH([ocaml-libdir],
528 [AS_HELP_STRING([--with-ocaml-libdir],
529 [Specify install location for ocaml bindings (default is stdlib)])],
533 auto) with_ocaml_libdir="$withval" ;;
534 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
535 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
538 dnl Allow linking of LLVM with GPLv3 binutils code.
539 AC_ARG_WITH(binutils-include,
540 AS_HELP_STRING([--with-binutils-include],
541 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
544 default) WITH_BINUTILS_INCDIR=default ;;
545 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
546 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
548 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
549 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
550 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
551 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
552 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
556 dnl===-----------------------------------------------------------------------===
558 dnl=== SECTION 4: Check for programs we need and that they are the right version
560 dnl===-----------------------------------------------------------------------===
562 dnl Check for compilation tools
570 dnl Check for the tools that the makefiles require
573 AC_PATH_PROG(CMP, [cmp], [cmp])
574 AC_PATH_PROG(CP, [cp], [cp])
575 AC_PATH_PROG(DATE, [date], [date])
576 AC_PATH_PROG(FIND, [find], [find])
577 AC_PATH_PROG(GREP, [grep], [grep])
578 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
579 AC_PATH_PROG(MV, [mv], [mv])
581 AC_PATH_PROG(RM, [rm], [rm])
582 AC_PATH_PROG(SED, [sed], [sed])
583 AC_PATH_PROG(TAR, [tar], [gtar])
584 AC_PATH_PROG(BINPWD,[pwd], [pwd])
586 dnl Looking for misc. graph plotting software
587 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
588 if test "$GRAPHVIZ" != "echo Graphviz" ; then
589 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
590 dnl If we're targeting for mingw we should emit windows paths, not msys
591 if test "$llvm_cv_os_type" = "MingW" ; then
592 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
594 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
595 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
597 AC_PATH_PROG(DOT, [dot], [echo dot])
598 if test "$DOT" != "echo dot" ; then
599 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
600 dnl If we're targeting for mingw we should emit windows paths, not msys
601 if test "$llvm_cv_os_type" = "MingW" ; then
602 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
604 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
605 [Define to path to dot program if found or 'echo dot' otherwise])
607 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
608 if test "$GV" != "echo gv" ; then
609 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
610 dnl If we're targeting for mingw we should emit windows paths, not msys
611 if test "$llvm_cv_os_type" = "MingW" ; then
612 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
614 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
615 [Define to path to gv program if found or 'echo gv' otherwise])
617 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
618 if test "$DOTTY" != "echo dotty" ; then
619 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
620 dnl If we're targeting for mingw we should emit windows paths, not msys
621 if test "$llvm_cv_os_type" = "MingW" ; then
622 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
624 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
625 [Define to path to dotty program if found or 'echo dotty' otherwise])
628 dnl Look for a sufficiently recent version of Perl.
629 LLVM_PROG_PERL([5.006])
631 if test x"$PERL" = xnone; then
632 AC_SUBST(HAVE_PERL,0)
633 AC_MSG_ERROR([perl is required but was not found, please install it])
635 AC_SUBST(HAVE_PERL,1)
638 dnl Find the install program
641 dnl Checks for documentation and testing tools that we can do without. If these
642 dnl are not found then they are set to "true" which always succeeds but does
643 dnl nothing. This just lets the build output show that we could have done
644 dnl something if the tool was available.
645 AC_PATH_PROG(BZIP2, [bzip2])
646 AC_PATH_PROG(DOXYGEN, [doxygen])
647 AC_PATH_PROG(GROFF, [groff])
648 AC_PATH_PROG(GZIP, [gzip])
649 AC_PATH_PROG(POD2HTML, [pod2html])
650 AC_PATH_PROG(POD2MAN, [pod2man])
651 AC_PATH_PROG(RUNTEST, [runtest])
653 AC_PATH_PROG(ZIP, [zip])
654 AC_PATH_PROGS(OCAMLC, [ocamlc])
655 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
656 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
657 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
658 AC_PATH_PROGS(GAS, [gas as])
660 dnl Determine whether the linker supports the -R option.
663 dnl Determine whether the linker supports the -export-dynamic option.
664 AC_LINK_EXPORT_DYNAMIC
666 dnl Check for libtool and the library that has dlopen function (which must come
667 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
673 if test "$lt_cv_dlopen_self" = "yes" ; then
674 AC_DEFINE([CAN_DLOPEN_SELF],[1],
675 [Define if dlopen(0) will open the symbols of the program])
679 if test "$WITH_LLVMGCCDIR" = "default" ; then
680 LLVMGCC="llvm-gcc${EXEEXT}"
681 LLVMGXX="llvm-g++${EXEEXT}"
682 LLVMGCCCOMMAND="$LLVMGCC"
683 LLVMGXXCOMMAND="$LLVMGXX"
684 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
685 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
686 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
687 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
689 if test -z "$LLVMGCC"; then
690 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
691 LLVMGCCCOMMAND="$LLVMGCC"
693 if test -z "$LLVMGXX"; then
694 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
695 LLVMGXXCOMMAND="$LLVMGXX"
698 AC_SUBST(LLVMGCC,$LLVMGCC)
699 AC_SUBST(LLVMGXX,$LLVMGXX)
700 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
701 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
705 AC_MSG_CHECKING([tool compatibility])
707 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
708 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
709 dnl to support those options.
710 dnl "icc" emits gcc signatures
711 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
723 if test "$GCC" != "yes" && test "$ICC" != "yes"
725 AC_MSG_ERROR([gcc|icc required but not found])
728 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
729 if test "$GXX" != "yes" && test "$IXX" != "yes"
731 AC_MSG_ERROR([g++|icc required but not found])
734 dnl Verify that GCC is version 3.0 or higher
735 if test "$GCC" = "yes"
737 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
738 #error Unsupported GCC version
740 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
743 dnl Check for GNU Make. We use its extensions, so don't build without it
744 if test -z "$llvm_cv_gnu_make_command"
746 AC_MSG_ERROR([GNU Make required but not found])
749 dnl Tool compatibility is okay if we make it here.
752 dnl===-----------------------------------------------------------------------===
754 dnl=== SECTION 5: Check for libraries
756 dnl===-----------------------------------------------------------------------===
758 dnl libelf is for sparc only; we can ignore it if we don't have it
759 AC_CHECK_LIB(elf, elf_begin)
761 if test "$llvm_cv_os_type" = "MingW" ; then
762 AC_CHECK_LIB(imagehlp, main)
763 AC_CHECK_LIB(psapi, main)
766 dnl dlopen() is required for plugin support.
767 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
768 [Define if dlopen() is available on this platform.]),
769 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
771 dnl libffi is optional; used to call external functions from the interpreter
772 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
773 [Define if libffi is available on this platform.]),
774 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
776 dnl mallinfo is optional; the code can compile (minus features) without it
777 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
778 [Define if mallinfo() is available on this platform.]))
780 dnl pthread locking functions are optional - but llvm will not be thread-safe
782 if test "$ENABLE_THREADS" -eq 1 ; then
783 AC_CHECK_LIB(pthread,pthread_mutex_init)
784 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
785 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
786 [Have pthread_mutex_lock]))
789 dnl Allow extra x86-disassembler library
791 AS_HELP_STRING([--with-udis86=<path>],
792 [Use udis86 external x86 disassembler library]),
794 AC_SUBST(USE_UDIS86, [1])
797 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
799 AC_CHECK_LIB(udis86, ud_init, [], [
800 echo "Error! You need to have libudis86 around."
804 AC_SUBST(USE_UDIS86, [0]))
805 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
806 [Define if use udis86 library])
808 dnl===-----------------------------------------------------------------------===
810 dnl=== SECTION 6: Check for header files
812 dnl===-----------------------------------------------------------------------===
814 dnl First, use autoconf provided macros for specific headers that we need
815 dnl We don't check for ancient stuff or things that are guaranteed to be there
816 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
817 dnl Generally we're looking for POSIX headers.
819 AC_HEADER_MMAP_ANONYMOUS
825 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
826 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
827 AC_CHECK_HEADERS([utime.h windows.h])
828 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
829 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
830 if test "$ENABLE_THREADS" -eq 1 ; then
831 AC_CHECK_HEADERS(pthread.h,
832 AC_SUBST(HAVE_PTHREAD, 1),
833 AC_SUBST(HAVE_PTHREAD, 0))
835 AC_SUBST(HAVE_PTHREAD, 0)
838 dnl Try to find ffi.h.
839 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
841 dnl===-----------------------------------------------------------------------===
843 dnl=== SECTION 7: Check for types and structures
845 dnl===-----------------------------------------------------------------------===
852 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
853 AC_CHECK_TYPES([uint64_t],,
854 AC_CHECK_TYPES([u_int64_t],,
855 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
857 dnl===-----------------------------------------------------------------------===
859 dnl=== SECTION 8: Check for specific functions needed
861 dnl===-----------------------------------------------------------------------===
863 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
864 AC_CHECK_FUNCS([powf fmodf strtof round ])
865 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
866 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
867 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
868 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
869 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
874 dnl Check for variations in the Standard C++ library and STL. These macros are
875 dnl provided by LLVM in the autoconf/m4 directory.
876 AC_CXX_HAVE_STD_ITERATOR
877 AC_CXX_HAVE_BI_ITERATOR
878 AC_CXX_HAVE_FWD_ITERATOR
882 dnl Check for mmap support.We also need to know if /dev/zero is required to
883 dnl be opened for allocating RWX memory.
884 dnl Make sure we aren't attempting to configure for an unknown system
885 if test "$llvm_cv_platform_type" = "Unix" ; then
888 AC_NEED_DEV_ZERO_FOR_MMAP
890 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
892 AC_MSG_WARN([mmap() of a fixed address required but not supported])
894 if test "$ac_cv_func_mmap_file" = "no"
896 AC_MSG_WARN([mmap() of files required but not found])
900 dnl atomic builtins are required for threading support.
901 AC_MSG_CHECKING(for GCC atomic builtins)
905 volatile unsigned long val = 1;
906 __sync_synchronize();
907 __sync_val_compare_and_swap(&val, 1, 0);
912 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
914 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
915 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
918 dnl===-----------------------------------------------------------------------===
920 dnl=== SECTION 9: Additional checks, variables, etc.
922 dnl===-----------------------------------------------------------------------===
924 dnl Check, whether __dso_handle is present
925 AC_CHECK_FUNCS([__dso_handle])
927 dnl See if the llvm-gcc executable can compile to LLVM assembly
928 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
929 [llvm_cv_llvmgcc_sanity="no"
930 if test -x "$LLVMGCC" ; then
931 cp /dev/null conftest.c
932 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
933 grep 'target datalayout =' > /dev/null 2>&1
934 if test $? -eq 0 ; then
935 llvm_cv_llvmgcc_sanity="yes"
940 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
941 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
942 AC_MSG_CHECKING([llvm-gcc component support])
943 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
944 AC_SUBST(LLVMCC1,$llvmcc1path)
945 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
946 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
947 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
948 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
949 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
950 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
951 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
952 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
953 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
954 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
955 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
956 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
960 dnl Propagate the shared library extension that the libltdl checks did to
961 dnl the Makefiles so we can use it there too
962 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
964 # Translate the various configuration directories and other basic
965 # information into substitutions that will end up in Makefile.config.in
966 # that these configured values can be used by the makefiles
967 if test "${prefix}" = "NONE" ; then
970 eval LLVM_PREFIX="${prefix}";
971 eval LLVM_BINDIR="${prefix}/bin";
972 eval LLVM_LIBDIR="${prefix}/lib";
973 eval LLVM_DATADIR="${prefix}/share/llvm";
974 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
975 eval LLVM_ETCDIR="${prefix}/etc/llvm";
976 eval LLVM_INCLUDEDIR="${prefix}/include";
977 eval LLVM_INFODIR="${prefix}/info";
978 eval LLVM_MANDIR="${prefix}/man";
979 LLVM_CONFIGTIME=`date`
980 AC_SUBST(LLVM_PREFIX)
981 AC_SUBST(LLVM_BINDIR)
982 AC_SUBST(LLVM_LIBDIR)
983 AC_SUBST(LLVM_DATADIR)
984 AC_SUBST(LLVM_DOCSDIR)
985 AC_SUBST(LLVM_ETCDIR)
986 AC_SUBST(LLVM_INCLUDEDIR)
987 AC_SUBST(LLVM_INFODIR)
988 AC_SUBST(LLVM_MANDIR)
989 AC_SUBST(LLVM_CONFIGTIME)
991 # Place the various directores into the config.h file as #defines so that we
992 # can know about the installation paths within LLVM.
993 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
994 [Installation prefix directory])
995 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
996 [Installation directory for binary executables])
997 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
998 [Installation directory for libraries])
999 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1000 [Installation directory for data files])
1001 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1002 [Installation directory for documentation])
1003 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1004 [Installation directory for config files])
1005 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1006 [Installation directory for include files])
1007 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1008 [Installation directory for .info files])
1009 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1010 [Installation directory for man pages])
1011 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1012 [Time at which LLVM was configured])
1013 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1014 [Host triple we were built on])
1016 # Determine which bindings to build.
1017 if test "$BINDINGS_TO_BUILD" = auto ; then
1018 BINDINGS_TO_BUILD=""
1019 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1020 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1023 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1025 # This isn't really configurey, but it avoids having to repeat the list in
1027 AC_SUBST(ALL_BINDINGS,ocaml)
1029 # Do any work necessary to ensure that bindings have what they need.
1030 binding_prereqs_failed=0
1031 for a_binding in $BINDINGS_TO_BUILD ; do
1032 case "$a_binding" in
1034 if test "x$OCAMLC" = x ; then
1035 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1036 binding_prereqs_failed=1
1038 if test "x$OCAMLDEP" = x ; then
1039 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1040 binding_prereqs_failed=1
1042 if test "x$OCAMLOPT" = x ; then
1043 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1044 dnl ocamlopt is optional!
1046 if test "x$with_ocaml_libdir" != xauto ; then
1047 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1049 ocaml_stdlib="`"$OCAMLC" -where`"
1050 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1052 # ocaml stdlib is beneath our prefix; use stdlib
1053 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1055 # ocaml stdlib is outside our prefix; use libdir/ocaml
1056 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1062 if test "$binding_prereqs_failed" = 1 ; then
1063 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1066 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1067 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1069 dnl Determine linker rpath flag
1070 if test "$llvm_cv_link_use_r" = "yes" ; then
1077 dnl Determine linker rdynamic flag
1078 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1079 RDYNAMIC="-Wl,-export-dynamic"
1085 dnl===-----------------------------------------------------------------------===
1087 dnl=== SECTION 10: Specify the output files and generate it
1089 dnl===-----------------------------------------------------------------------===
1091 dnl Configure header files
1092 dnl WARNING: dnl If you add or remove any of the following config headers, then
1093 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1094 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1095 dnl files can be updated automatically when their *.in sources change.
1096 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1097 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1098 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1100 dnl Configure the makefile's configuration data
1101 AC_CONFIG_FILES([Makefile.config])
1103 dnl Configure the RPM spec file for LLVM
1104 AC_CONFIG_FILES([llvm.spec])
1106 dnl Configure doxygen's configuration file
1107 AC_CONFIG_FILES([docs/doxygen.cfg])
1109 dnl Configure llvmc's Base plugin
1110 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1112 dnl Do the first stage of configuration for llvm-config.in.
1113 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1115 dnl Do special configuration of Makefiles
1116 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1117 AC_CONFIG_MAKEFILE(Makefile)
1118 AC_CONFIG_MAKEFILE(Makefile.common)
1119 AC_CONFIG_MAKEFILE(examples/Makefile)
1120 AC_CONFIG_MAKEFILE(lib/Makefile)
1121 AC_CONFIG_MAKEFILE(runtime/Makefile)
1122 AC_CONFIG_MAKEFILE(test/Makefile)
1123 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1124 AC_CONFIG_MAKEFILE(unittests/Makefile)
1125 AC_CONFIG_MAKEFILE(tools/Makefile)
1126 AC_CONFIG_MAKEFILE(utils/Makefile)
1127 AC_CONFIG_MAKEFILE(projects/Makefile)
1128 AC_CONFIG_MAKEFILE(bindings/Makefile)
1129 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1131 dnl Finally, crank out the output