1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file was developed by the LLVM research group and is distributed under
5 dnl the University of Illinois Open Source 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]],[[2.2svn]],[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) 2003-2007 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2007 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) AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
74 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
75 llvm-gcc) AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
76 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
77 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
78 llvm-poolalloc) AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
79 poolalloc) AC_CONFIG_SUBDIRS([projects/poolalloc]) ;;
80 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
82 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
88 dnl===-----------------------------------------------------------------------===
90 dnl=== SECTION 2: Architecture, target, and host checks
92 dnl===-----------------------------------------------------------------------===
94 dnl Check the target for which we're compiling and the host that will do the
95 dnl compilations. This will tell us which LLVM compiler will be used for
96 dnl compiling SSA into object code. This needs to be done early because
97 dnl following tests depend on it.
100 dnl Determine the platform type and cache its value. This helps us configure
101 dnl the System library to the correct build platform.
102 AC_CACHE_CHECK([type of operating system we're going to host on],
106 llvm_cv_link_all_option="-Wl,--whole-archive"
107 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
108 llvm_cv_os_type="AIX"
109 llvm_cv_platform_type="Unix" ;;
111 llvm_cv_link_all_option="-Wl,--whole-archive"
112 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
113 llvm_cv_os_type="IRIX"
114 llvm_cv_platform_type="Unix" ;;
116 llvm_cv_link_all_option="-Wl,--whole-archive"
117 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
118 llvm_cv_os_type="Cygwin"
119 llvm_cv_platform_type="Unix" ;;
121 llvm_cv_link_all_option="-Wl,-all_load"
122 llvm_cv_link_all_option="-Wl,-noall_load"
123 llvm_cv_os_type="Darwin"
124 llvm_cv_platform_type="Unix" ;;
126 llvm_cv_link_all_option="-Wl,--whole-archive"
127 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
128 llvm_cv_os_type="FreeBSD"
129 llvm_cv_platform_type="Unix" ;;
131 llvm_cv_link_all_option="-Wl,--whole-archive"
132 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
133 llvm_cv_os_type="OpenBSD"
134 llvm_cv_platform_type="Unix" ;;
136 llvm_cv_link_all_option="-Wl,--whole-archive"
137 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
138 llvm_cv_os_type="NetBSD"
139 llvm_cv_platform_type="Unix" ;;
141 llvm_cv_link_all_option="-Wl,--whole-archive"
142 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
143 llvm_cv_os_type="HP-UX"
144 llvm_cv_platform_type="Unix" ;;
146 llvm_cv_link_all_option="-Wl,--whole-archive"
147 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
148 llvm_cv_os_type="Interix"
149 llvm_cv_platform_type="Unix" ;;
151 llvm_cv_link_all_option="-Wl,--whole-archive"
152 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
153 llvm_cv_os_type="Linux"
154 llvm_cv_platform_type="Unix" ;;
156 llvm_cv_link_all_option="-Wl,-z,allextract"
157 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
158 llvm_cv_os_type="SunOS"
159 llvm_cv_platform_type="Unix" ;;
161 llvm_cv_link_all_option="-Wl,--whole-archive"
162 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
163 llvm_cv_os_type="Win32"
164 llvm_cv_platform_type="Win32" ;;
166 llvm_cv_link_all_option="-Wl,--whole-archive"
167 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
168 llvm_cv_os_type="MingW"
169 llvm_cv_platform_type="Win32" ;;
171 llvm_cv_link_all_option=""
172 llvm_cv_no_link_all_option=""
173 llvm_cv_os_type="Unknown"
174 llvm_cv_platform_type="Unknown" ;;
177 dnl Make sure we aren't attempting to configure for an unknown system
178 if test "$llvm_cv_os_type" = "Unknown" ; then
179 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
182 dnl Set the "OS" Makefile variable based on the platform type so the
183 dnl makefile can configure itself to specific build hosts
184 AC_SUBST(OS,$llvm_cv_os_type)
186 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
187 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
188 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
190 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
191 dnl This is used by lib/System to determine the basic kind of implementation
193 case $llvm_cv_platform_type in
195 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
196 AC_SUBST(LLVM_ON_UNIX,[1])
197 AC_SUBST(LLVM_ON_WIN32,[0])
200 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
201 AC_SUBST(LLVM_ON_UNIX,[0])
202 AC_SUBST(LLVM_ON_WIN32,[1])
206 dnl Determine what our target architecture is and configure accordingly.
207 dnl This will allow Makefiles to make a distinction between the hardware and
209 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
211 i?86-*) llvm_cv_target_arch="x86" ;;
212 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
213 sparc*-*) llvm_cv_target_arch="Sparc" ;;
214 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
215 alpha*-*) llvm_cv_target_arch="Alpha" ;;
216 ia64-*) llvm_cv_target_arch="IA64" ;;
217 arm-*) llvm_cv_target_arch="ARM" ;;
218 mips-*) llvm_cv_target_arch="Mips" ;;
219 *) llvm_cv_target_arch="Unknown" ;;
222 if test "$llvm_cv_target_arch" = "Unknown" ; then
223 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
226 dnl Define a substitution, ARCH, for the target architecture
227 AC_SUBST(ARCH,$llvm_cv_target_arch)
229 dnl Check for the endianness of the target
230 AC_C_BIGENDIAN([AC_SUBST([ENDIAN],[big]),
231 AC_DEFINE([MSB_FIRST], [1], [Define if this target is big endian])],
232 [AC_SUBST([ENDIAN],[little]),
233 AC_DEFINE([LSB_FIRST], [1], [Define if this target is little endian])])
235 dnl Check for build platform executable suffix if we're crosscompiling
236 if test "$cross_compiling" = yes; then
237 AC_SUBST(LLVM_CROSS_COMPILING, [1])
240 AC_SUBST(LLVM_CROSS_COMPILING, [0])
243 dnl Check to see if there's a "CVS" (or .svn) directory indicating that this
244 dnl build is being done from a checkout. This sets up several defaults for the
245 dnl command line switches. When we build with a CVS directory, we get a
246 dnl debug with assertions turned on. Without, we assume a source release and we
247 dnl get an optimized build without assertions. See --enable-optimized and
248 dnl --enable-assertions below
249 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn"; then
252 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
258 dnl===-----------------------------------------------------------------------===
260 dnl=== SECTION 3: Command line arguments for the configure script.
262 dnl===-----------------------------------------------------------------------===
264 dnl --enable-optimized : check whether they want to do an optimized build:
265 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
266 [--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
267 if test ${enableval} = "no" ; then
268 AC_SUBST(ENABLE_OPTIMIZED,[[]])
270 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
273 dnl --enable-assertions : check whether they want to turn on assertions or not:
274 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
275 [--enable-assertions,Compile with assertion checks enabled (default is YES)]),, enableval="yes")
276 if test ${enableval} = "yes" ; then
277 AC_SUBST(DISABLE_ASSERTIONS,[[]])
279 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
282 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
283 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
284 [--enable-expensive-checks,Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
285 if test ${enableval} = "yes" ; then
286 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
287 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
289 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
290 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
293 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
294 AC_ARG_ENABLE(debug-runtime,
295 AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
296 if test ${enableval} = "no" ; then
297 AC_SUBST(DEBUG_RUNTIME,[[]])
299 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
302 dnl --enable-jit: check whether they want to enable the jit
304 AS_HELP_STRING(--enable-jit,
305 [Enable Just In Time Compiling (default is YES)]),,
307 if test ${enableval} = "no"
311 case "$llvm_cv_target_arch" in
312 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
313 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
314 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
315 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
316 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
317 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
318 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
319 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
320 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
324 dnl Allow enablement of doxygen generated documentation
325 AC_ARG_ENABLE(doxygen,
326 AS_HELP_STRING([--enable-doxygen],
327 [Build doxygen documentation (default is NO)]),,
330 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
331 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
332 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
333 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
336 dnl Allow disablement of threads
337 AC_ARG_ENABLE(threads,
338 AS_HELP_STRING([--enable-threads],
339 [Use threads if available (default is YES)]),,
342 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
343 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
344 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
345 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
347 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
349 dnl Allow building with position independent code
351 AS_HELP_STRING([--enable-pic],
352 [Build LLVM with Position Independent Code (default is NO)]),,
355 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
356 no) AC_SUBST(ENABLE_PIC,[0]) ;;
357 default) AC_SUBST(ENABLE_PIC,[0]) ;;
358 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
360 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
361 [Define if position independent code is enabled])
363 dnl Allow specific targets to be specified for building (or not)
365 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
366 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
369 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU" ;;
371 case "$llvm_cv_target_arch" in
372 x86) TARGETS_TO_BUILD="X86" ;;
373 x86_64) TARGETS_TO_BUILD="X86" ;;
374 Sparc) TARGETS_TO_BUILD="Sparc" ;;
375 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
376 Alpha) TARGETS_TO_BUILD="Alpha" ;;
377 IA64) TARGETS_TO_BUILD="IA64" ;;
378 ARM) TARGETS_TO_BUILD="ARM" ;;
379 Mips) TARGETS_TO_BUILD="Mips" ;;
380 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
381 *) AC_MSG_ERROR([Can not set target to build]) ;;
384 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
386 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
387 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
388 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
389 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
390 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
391 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
392 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
393 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
394 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
395 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
400 TARGETS_TO_BUILD="CBackend MSIL $TARGETS_TO_BUILD"
401 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
403 dnl Prevent the CBackend from using printf("%a") for floating point so older
404 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
405 dnl can still compile the CBE's output
406 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
407 [Enable C Backend output with hex floating point via %a (default is YES)]),,
410 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
411 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
412 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
413 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
415 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
416 [Define if CBE is enabled for printf %a output])
418 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
419 AC_ARG_WITH(llvmgccdir,
420 AS_HELP_STRING([--with-llvmgccdir],
421 [Specify location of llvm-gcc install dir (default searches PATH)]),,
424 default) WITH_LLVMGCCDIR=default ;;
425 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
426 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
429 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
431 AS_HELP_STRING([--with-llvmgcc],
432 [Specify location of llvm-gcc driver (default searches PATH)]),
433 LLVMGCC=$with_llvmgcc
436 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
438 AS_HELP_STRING([--with-llvmgxx],
439 [Specify location of llvm-g++ driver (default searches PATH)]),
440 LLVMGXX=$with_llvmgxx
443 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
444 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
447 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
448 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
451 dnl Specify extra build options
452 AC_ARG_WITH(extra-options,
453 AS_HELP_STRING([--with-extra-options],
454 [Specify addtional options to compile LLVM with]),,
457 default) EXTRA_OPTIONS= ;;
458 *) EXTRA_OPTIONS=$withval ;;
460 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
462 dnl Allow specific bindings to be specified for building (or not)
463 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
464 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
468 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
469 all ) BINDINGS_TO_BUILD="ocaml" ;;
470 none | no) BINDINGS_TO_BUILD="" ;;
471 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
473 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
474 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
480 dnl Allow the ocaml libdir to be overridden. This could go in a configure
481 dnl script for bindings/ocaml/configure, except that its auto value depends on
482 dnl OCAMLC, which is found here to support tests.
483 AC_ARG_WITH([ocaml-libdir],
484 [AS_HELP_STRING([--with-ocaml-libdir],
485 [Specify install location for ocaml bindings (default is stdlib)])],
489 auto) with_ocaml_libdir="$withval" ;;
490 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
491 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
494 dnl===-----------------------------------------------------------------------===
496 dnl=== SECTION 4: Check for programs we need and that they are the right version
498 dnl===-----------------------------------------------------------------------===
500 dnl Check for compilation tools
510 dnl Check for the tools that the makefiles require
513 AC_PATH_PROG(CMP, [cmp], [cmp])
514 AC_PATH_PROG(CP, [cp], [cp])
515 AC_PATH_PROG(DATE, [date], [date])
516 AC_PATH_PROG(FIND, [find], [find])
517 AC_PATH_PROG(GREP, [grep], [grep])
518 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
519 AC_PATH_PROG(MV, [mv], [mv])
521 AC_PATH_PROG(RM, [rm], [rm])
522 AC_PATH_PROG(SED, [sed], [sed])
523 AC_PATH_PROG(TAR, [tar], [gtar])
524 AC_PATH_PROG(BINPWD,[pwd], [pwd])
526 dnl Looking for misc. graph plotting software
527 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
528 if test "$GRAPHVIZ" != "echo Graphviz" ; then
529 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
530 dnl If we're targeting for mingw we should emit windows paths, not msys
531 if test "$llvm_cv_os_type" = "MingW" ; then
532 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
534 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
535 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
537 AC_PATH_PROG(DOT, [dot], [echo dot])
538 if test "$DOT" != "echo dot" ; then
539 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
540 dnl If we're targeting for mingw we should emit windows paths, not msys
541 if test "$llvm_cv_os_type" = "MingW" ; then
542 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
544 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
545 [Define to path to dot program if found or 'echo dot' otherwise])
547 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
548 if test "$GV" != "echo gv" ; then
549 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
550 dnl If we're targeting for mingw we should emit windows paths, not msys
551 if test "$llvm_cv_os_type" = "MingW" ; then
552 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
554 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
555 [Define to path to gv program if found or 'echo gv' otherwise])
557 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
558 if test "$DOTTY" != "echo dotty" ; then
559 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
560 dnl If we're targeting for mingw we should emit windows paths, not msys
561 if test "$llvm_cv_os_type" = "MingW" ; then
562 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
564 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
565 [Define to path to dotty program if found or 'echo dotty' otherwise])
568 dnl Look for a sufficiently recent version of Perl.
569 LLVM_PROG_PERL([5.006])
571 if test x"$PERL" = xnone; then
572 AC_SUBST(HAVE_PERL,0)
573 AC_MSG_ERROR([perl is required but was not found, please install it])
575 AC_SUBST(HAVE_PERL,1)
578 dnl Find the install program
581 dnl Checks for documentation and testing tools that we can do without. If these
582 dnl are not found then they are set to "true" which always succeeds but does
583 dnl nothing. This just lets the build output show that we could have done
584 dnl something if the tool was available.
585 AC_PATH_PROG(BZIP2,[bzip2],[echo "Skipped: bzip2 not found"])
586 AC_PATH_PROG(DOXYGEN,[doxygen],[echo "Skipped: doxygen not found"])
587 AC_PATH_PROG(GROFF,[groff],[echo "Skipped: groff not found"])
588 AC_PATH_PROG(GZIP,[gzip],[echo "Skipped: gzip not found"])
589 AC_PATH_PROG(POD2HTML,[pod2html],[echo "Skipped: pod2html not found"])
590 AC_PATH_PROG(POD2MAN,[pod2man],[echo "Skipped: pod2man not found"])
591 AC_PATH_PROG(RUNTEST,[runtest],[echo "Skipped: runtest not found"])
593 AC_PATH_PROG(ZIP,[zip],[echo "Skipped: zip not found"])
594 AC_PATH_PROG(OCAMLC,[ocamlc],[echo "Skipped: ocamlc not found"])
595 AC_PATH_PROG(OCAMLOPT,[ocamlopt],[echo "Skipped: ocamlopt not found"])
596 AC_PATH_PROG(OCAMLDEP,[ocamldep],[echo "Skipped: ocamldep not found"])
598 dnl Determine if the linker supports the -R option.
601 dnl Check for libtool and the library that has dlopen function (which must come
602 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
608 if test "$lt_cv_dlopen_self" = "yes" ; then
609 AC_DEFINE([CAN_DLOPEN_SELF],[1],
610 [Define if dlopen(0) will open the symbols of the program])
613 if test "$WITH_LLVMGCCDIR" = "default" ; then
614 LLVMGCC="llvm-gcc${EXEEXT}"
615 LLVMGXX="llvm-g++${EXEEXT}"
616 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
617 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
619 if test -z "$LLVMGCC"; then
620 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
622 if test -z "$LLVMGXX"; then
623 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
625 AC_SUBST(LLVMGCC,$LLVMGCC)
626 AC_SUBST(LLVMGXX,$LLVMGXX)
629 AC_MSG_CHECKING([tool compatibility])
631 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
632 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
633 dnl to support those options.
634 dnl "icc" emits gcc signatures
635 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
647 if test "$GCC" != "yes" && test "$ICC" != "yes"
649 AC_MSG_ERROR([gcc|icc required but not found])
652 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
653 if test "$GXX" != "yes" && test "$IXX" != "yes"
655 AC_MSG_ERROR([g++|icc required but not found])
658 dnl Verify that GCC is version 3.0 or higher
659 if test "$GCC" = "yes"
661 gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'`
662 if test "$gccmajor" -lt "3"
664 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
668 dnl Check for GNU Make. We use its extensions, so don't build without it
669 if test -z "$llvm_cv_gnu_make_command"
671 AC_MSG_ERROR([GNU Make required but not found])
674 dnl Tool compatibility is okay if we make it here.
677 dnl===-----------------------------------------------------------------------===
679 dnl=== SECTION 5: Check for libraries
681 dnl===-----------------------------------------------------------------------===
683 dnl libelf is for sparc only; we can ignore it if we don't have it
684 AC_CHECK_LIB(elf, elf_begin)
686 if test "$llvm_cv_os_type" = "MingW" ; then
687 AC_CHECK_LIB(imagehlp, main)
688 AC_CHECK_LIB(psapi, main)
691 dnl lt_dlopen may be required for plugin support.
692 AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1],
693 [Define if lt_dlopen() is available on this platform]),
694 AC_MSG_WARN([lt_dlopen() not found - plugin support might
697 dnl dlopen() is required for plugin support.
698 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
699 [Define if dlopen() is available on this platform.]),
700 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
702 dnl mallinfo is optional; the code can compile (minus features) without it
703 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
704 [Define if mallinfo() is available on this platform.]))
706 dnl pthread locking functions are optional - but llvm will not be thread-safe
708 if test "$ENABLE_THREADS" -eq 1 ; then
709 AC_CHECK_LIB(pthread,pthread_mutex_init)
710 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
711 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
712 [Have pthread_mutex_lock]))
715 dnl Allow extra x86-disassembler library
717 AS_HELP_STRING([--with-udis86=<path>],
718 [Use udis86 external x86 disassembler library]),
720 AC_SUBST(USE_UDIS86, [1])
723 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
725 AC_CHECK_LIB(udis86, ud_init, [], [
726 echo "Error! You need to have libudis86 around."
730 AC_SUBST(USE_UDIS86, [0]))
731 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
732 [Define if use udis86 library])
734 dnl===-----------------------------------------------------------------------===
736 dnl=== SECTION 6: Check for header files
738 dnl===-----------------------------------------------------------------------===
740 dnl First, use autoconf provided macros for specific headers that we need
741 dnl We don't check for ancient stuff or things that are guaranteed to be there
742 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
743 dnl Generally we're looking for POSIX headers.
745 AC_HEADER_MMAP_ANONYMOUS
751 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
752 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h unistd.h utime.h])
753 AC_CHECK_HEADERS([windows.h])
754 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
755 AC_CHECK_HEADERS([sys/types.h malloc/malloc.h mach/mach.h])
756 if test "$ENABLE_THREADS" -eq 1 ; then
757 AC_CHECK_HEADERS(pthread.h,
758 AC_SUBST(HAVE_PTHREAD, 1),
759 AC_SUBST(HAVE_PTHREAD, 0))
761 AC_SUBST(HAVE_PTHREAD, 0)
764 dnl===-----------------------------------------------------------------------===
766 dnl=== SECTION 7: Check for types and structures
768 dnl===-----------------------------------------------------------------------===
775 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
776 AC_CHECK_TYPES([uint64_t],,
777 AC_CHECK_TYPES([u_int64_t],,
778 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
780 dnl===-----------------------------------------------------------------------===
782 dnl=== SECTION 8: Check for specific functions needed
784 dnl===-----------------------------------------------------------------------===
786 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
787 AC_CHECK_FUNCS([powf fmodf strtof round ])
788 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
789 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
790 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
791 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
792 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
797 dnl Check for variations in the Standard C++ library and STL. These macros are
798 dnl provided by LLVM in the autoconf/m4 directory.
801 AC_CXX_HAVE_STD_ITERATOR
802 AC_CXX_HAVE_BI_ITERATOR
803 AC_CXX_HAVE_FWD_ITERATOR
807 dnl Check for mmap support.We also need to know if /dev/zero is required to
808 dnl be opened for allocating RWX memory.
809 dnl Make sure we aren't attempting to configure for an unknown system
810 if test "$llvm_cv_platform_type" = "Unix" ; then
813 AC_NEED_DEV_ZERO_FOR_MMAP
815 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
817 AC_MSG_WARN([mmap() of a fixed address required but not supported])
819 if test "$ac_cv_func_mmap_file" = "no"
821 AC_MSG_WARN([mmap() of files required but not found])
825 dnl===-----------------------------------------------------------------------===
827 dnl=== SECTION 9: Additional checks, variables, etc.
829 dnl===-----------------------------------------------------------------------===
831 dnl Check, whether __dso_handle is present
832 AC_CHECK_FUNCS([__dso_handle])
834 dnl See if the llvm-gcc executable can compile to LLVM assembly
835 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
836 [llvm_cv_llvmgcc_sanity="no"
837 if test -x "$LLVMGCC" ; then
838 cp /dev/null conftest.c
839 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
840 grep 'target datalayout =' > /dev/null 2>&1
841 if test $? -eq 0 ; then
842 llvm_cv_llvmgcc_sanity="yes"
847 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
848 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
849 AC_MSG_CHECKING([llvm-gcc component support])
850 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
851 AC_SUBST(LLVMCC1,$llvmcc1path)
852 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
853 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
854 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
855 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
856 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
857 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
858 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
859 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
860 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
861 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
862 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ -]*\).*/\1/'`]
863 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
867 dnl Propagate the shared library extension that the libltdl checks did to
868 dnl the Makefiles so we can use it there too
869 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
871 # Translate the various configuration directories and other basic
872 # information into substitutions that will end up in Makefile.config.in
873 # that these configured values can be used by the makefiles
874 if test "${prefix}" = "NONE" ; then
877 eval LLVM_PREFIX="${prefix}";
878 eval LLVM_BINDIR="${prefix}/bin";
879 eval LLVM_LIBDIR="${prefix}/lib";
880 eval LLVM_DATADIR="${prefix}/share/llvm";
881 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
882 eval LLVM_ETCDIR="${prefix}/etc/llvm";
883 eval LLVM_INCLUDEDIR="${prefix}/include";
884 eval LLVM_INFODIR="${prefix}/info";
885 eval LLVM_MANDIR="${prefix}/man";
886 LLVM_CONFIGTIME=`date`
887 AC_SUBST(LLVM_PREFIX)
888 AC_SUBST(LLVM_BINDIR)
889 AC_SUBST(LLVM_LIBDIR)
890 AC_SUBST(LLVM_DATADIR)
891 AC_SUBST(LLVM_DOCSDIR)
892 AC_SUBST(LLVM_ETCDIR)
893 AC_SUBST(LLVM_INCLUDEDIR)
894 AC_SUBST(LLVM_INFODIR)
895 AC_SUBST(LLVM_MANDIR)
896 AC_SUBST(LLVM_CONFIGTIME)
898 # Place the various directores into the config.h file as #defines so that we
899 # can know about the installation paths within LLVM.
900 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
901 [Installation prefix directory])
902 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
903 [Installation directory for binary executables])
904 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
905 [Installation directory for libraries])
906 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
907 [Installation directory for data files])
908 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
909 [Installation directory for documentation])
910 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
911 [Installation directory for config files])
912 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
913 [Installation directory for include files])
914 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
915 [Installation directory for .info files])
916 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
917 [Installation directory for man pages])
918 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
919 [Time at which LLVM was configured])
920 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
921 [Host triple we were built on])
923 # Determine which bindings to build.
924 if test "$BINDINGS_TO_BUILD" = auto ; then
926 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
927 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
930 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
932 # This isn't really configurey, but it avoids having to repeat the list in
934 AC_SUBST(ALL_BINDINGS,ocaml)
936 # Do any work necessary to ensure that bindings have what they need.
937 binding_prereqs_failed=0
938 for a_binding in $BINDINGS_TO_BUILD ; do
941 if test "x$OCAMLC" = x ; then
942 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
943 binding_prereqs_failed=1
945 if test "x$OCAMLDEP" = x ; then
946 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
947 binding_prereqs_failed=1
949 if test "x$OCAMLOPT" = x ; then
950 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
951 dnl ocamlopt is optional!
953 if test "x$with_ocaml_libdir" != xauto ; then
954 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
956 ocaml_stdlib="`"$OCAMLC" -where`"
957 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
959 # ocaml stdlib is beneath our prefix; use stdlib
960 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
962 # ocaml stdlib is outside our prefix; use libdir/ocaml
963 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
969 if test "$binding_prereqs_failed" = 1 ; then
970 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
974 dnl===-----------------------------------------------------------------------===
976 dnl=== SECTION 10: Specify the output files and generate it
978 dnl===-----------------------------------------------------------------------===
980 dnl Configure header files
981 dnl WARNING: dnl If you add or remove any of the following config headers, then
982 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
983 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
984 dnl files can be updated automatically when their *.in sources change.
985 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
986 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
987 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
988 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
989 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
991 dnl Configure the makefile's configuration data
992 AC_CONFIG_FILES([Makefile.config])
994 dnl Configure the RPM spec file for LLVM
995 AC_CONFIG_FILES([llvm.spec])
997 dnl Configure doxygen's configuration file
998 AC_CONFIG_FILES([docs/doxygen.cfg])
1000 dnl Do the first stage of configuration for llvm-config.in.
1001 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1003 dnl Do special configuration of Makefiles
1004 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1005 AC_CONFIG_MAKEFILE(Makefile)
1006 AC_CONFIG_MAKEFILE(Makefile.common)
1007 AC_CONFIG_MAKEFILE(examples/Makefile)
1008 AC_CONFIG_MAKEFILE(lib/Makefile)
1009 AC_CONFIG_MAKEFILE(runtime/Makefile)
1010 AC_CONFIG_MAKEFILE(test/Makefile)
1011 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1012 AC_CONFIG_MAKEFILE(tools/Makefile)
1013 AC_CONFIG_MAKEFILE(utils/Makefile)
1014 AC_CONFIG_MAKEFILE(projects/Makefile)
1015 AC_CONFIG_MAKEFILE(bindings/Makefile)
1016 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1018 dnl Finally, crank out the output