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,$llvm_cv_target_arch)
229 dnl Check for the endianness of the target
230 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
232 dnl Check for build platform executable suffix if we're crosscompiling
233 if test "$cross_compiling" = yes; then
234 AC_SUBST(LLVM_CROSS_COMPILING, [1])
237 AC_SUBST(LLVM_CROSS_COMPILING, [0])
240 dnl Check to see if there's a "CVS" (or .svn) directory indicating that this
241 dnl build is being done from a checkout. This sets up several defaults for the
242 dnl command line switches. When we build with a CVS directory, we get a
243 dnl debug with assertions turned on. Without, we assume a source release and we
244 dnl get an optimized build without assertions. See --enable-optimized and
245 dnl --enable-assertions below
246 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn"; then
249 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
255 dnl===-----------------------------------------------------------------------===
257 dnl=== SECTION 3: Command line arguments for the configure script.
259 dnl===-----------------------------------------------------------------------===
261 dnl --enable-optimized : check whether they want to do an optimized build:
262 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
263 [--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
264 if test ${enableval} = "no" ; then
265 AC_SUBST(ENABLE_OPTIMIZED,[[]])
267 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
270 dnl --enable-assertions : check whether they want to turn on assertions or not:
271 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
272 [--enable-assertions,Compile with assertion checks enabled (default is YES)]),, enableval="yes")
273 if test ${enableval} = "yes" ; then
274 AC_SUBST(DISABLE_ASSERTIONS,[[]])
276 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
279 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
280 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
281 [--enable-expensive-checks,Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
282 if test ${enableval} = "yes" ; then
283 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
284 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
286 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
287 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
290 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
291 AC_ARG_ENABLE(debug-runtime,
292 AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
293 if test ${enableval} = "no" ; then
294 AC_SUBST(DEBUG_RUNTIME,[[]])
296 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
299 dnl --enable-jit: check whether they want to enable the jit
301 AS_HELP_STRING(--enable-jit,
302 [Enable Just In Time Compiling (default is YES)]),,
304 if test ${enableval} = "no"
308 case "$llvm_cv_target_arch" in
309 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
310 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
311 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
312 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
313 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
314 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
315 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
316 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
317 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
321 dnl Allow enablement of doxygen generated documentation
322 AC_ARG_ENABLE(doxygen,
323 AS_HELP_STRING([--enable-doxygen],
324 [Build doxygen documentation (default is NO)]),,
327 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
328 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
329 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
330 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
333 dnl Allow disablement of threads
334 AC_ARG_ENABLE(threads,
335 AS_HELP_STRING([--enable-threads],
336 [Use threads if available (default is YES)]),,
339 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
340 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
341 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
342 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
344 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
346 dnl Allow building with position independent code
348 AS_HELP_STRING([--enable-pic],
349 [Build LLVM with Position Independent Code (default is NO)]),,
352 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
353 no) AC_SUBST(ENABLE_PIC,[0]) ;;
354 default) AC_SUBST(ENABLE_PIC,[0]) ;;
355 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
357 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
358 [Define if position independent code is enabled])
360 dnl Allow specific targets to be specified for building (or not)
362 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
363 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
366 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU" ;;
368 case "$llvm_cv_target_arch" in
369 x86) TARGETS_TO_BUILD="X86" ;;
370 x86_64) TARGETS_TO_BUILD="X86" ;;
371 Sparc) TARGETS_TO_BUILD="Sparc" ;;
372 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
373 Alpha) TARGETS_TO_BUILD="Alpha" ;;
374 IA64) TARGETS_TO_BUILD="IA64" ;;
375 ARM) TARGETS_TO_BUILD="ARM" ;;
376 Mips) TARGETS_TO_BUILD="Mips" ;;
377 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
378 *) AC_MSG_ERROR([Can not set target to build]) ;;
381 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
383 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
384 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
385 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
386 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
387 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
388 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
389 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
390 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
391 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
392 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
397 TARGETS_TO_BUILD="CBackend MSIL $TARGETS_TO_BUILD"
398 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
400 dnl Prevent the CBackend from using printf("%a") for floating point so older
401 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
402 dnl can still compile the CBE's output
403 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
404 [Enable C Backend output with hex floating point via %a (default is YES)]),,
407 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
408 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
409 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
410 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
412 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
413 [Define if CBE is enabled for printf %a output])
415 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
416 AC_ARG_WITH(llvmgccdir,
417 AS_HELP_STRING([--with-llvmgccdir],
418 [Specify location of llvm-gcc install dir (default searches PATH)]),,
421 default) WITH_LLVMGCCDIR=default ;;
422 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
423 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
426 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
428 AS_HELP_STRING([--with-llvmgcc],
429 [Specify location of llvm-gcc driver (default searches PATH)]),
430 LLVMGCC=$with_llvmgcc
433 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
435 AS_HELP_STRING([--with-llvmgxx],
436 [Specify location of llvm-g++ driver (default searches PATH)]),
437 LLVMGXX=$with_llvmgxx
440 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
441 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
444 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
445 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
448 dnl Specify extra build options
449 AC_ARG_WITH(extra-options,
450 AS_HELP_STRING([--with-extra-options],
451 [Specify addtional options to compile LLVM with]),,
454 default) EXTRA_OPTIONS= ;;
455 *) EXTRA_OPTIONS=$withval ;;
457 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
459 dnl Allow specific bindings to be specified for building (or not)
460 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
461 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
465 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
466 all ) BINDINGS_TO_BUILD="ocaml" ;;
467 none | no) BINDINGS_TO_BUILD="" ;;
468 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
470 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
471 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
477 dnl Allow the ocaml libdir to be overridden. This could go in a configure
478 dnl script for bindings/ocaml/configure, except that its auto value depends on
479 dnl OCAMLC, which is found here to support tests.
480 AC_ARG_WITH([ocaml-libdir],
481 [AS_HELP_STRING([--with-ocaml-libdir],
482 [Specify install location for ocaml bindings (default is stdlib)])],
486 auto) with_ocaml_libdir="$withval" ;;
487 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
488 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
491 dnl===-----------------------------------------------------------------------===
493 dnl=== SECTION 4: Check for programs we need and that they are the right version
495 dnl===-----------------------------------------------------------------------===
497 dnl Check for compilation tools
507 dnl Check for the tools that the makefiles require
510 AC_PATH_PROG(CMP, [cmp], [cmp])
511 AC_PATH_PROG(CP, [cp], [cp])
512 AC_PATH_PROG(DATE, [date], [date])
513 AC_PATH_PROG(FIND, [find], [find])
514 AC_PATH_PROG(GREP, [grep], [grep])
515 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
516 AC_PATH_PROG(MV, [mv], [mv])
518 AC_PATH_PROG(RM, [rm], [rm])
519 AC_PATH_PROG(SED, [sed], [sed])
520 AC_PATH_PROG(TAR, [tar], [gtar])
521 AC_PATH_PROG(BINPWD,[pwd], [pwd])
523 dnl Looking for misc. graph plotting software
524 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
525 if test "$GRAPHVIZ" != "echo Graphviz" ; then
526 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
527 dnl If we're targeting for mingw we should emit windows paths, not msys
528 if test "$llvm_cv_os_type" = "MingW" ; then
529 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
531 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
532 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
534 AC_PATH_PROG(DOT, [dot], [echo dot])
535 if test "$DOT" != "echo dot" ; then
536 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
537 dnl If we're targeting for mingw we should emit windows paths, not msys
538 if test "$llvm_cv_os_type" = "MingW" ; then
539 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
541 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
542 [Define to path to dot program if found or 'echo dot' otherwise])
544 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
545 if test "$GV" != "echo gv" ; then
546 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
547 dnl If we're targeting for mingw we should emit windows paths, not msys
548 if test "$llvm_cv_os_type" = "MingW" ; then
549 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
551 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
552 [Define to path to gv program if found or 'echo gv' otherwise])
554 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
555 if test "$DOTTY" != "echo dotty" ; then
556 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
557 dnl If we're targeting for mingw we should emit windows paths, not msys
558 if test "$llvm_cv_os_type" = "MingW" ; then
559 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
561 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
562 [Define to path to dotty program if found or 'echo dotty' otherwise])
565 dnl Look for a sufficiently recent version of Perl.
566 LLVM_PROG_PERL([5.006])
568 if test x"$PERL" = xnone; then
569 AC_SUBST(HAVE_PERL,0)
570 AC_MSG_ERROR([perl is required but was not found, please install it])
572 AC_SUBST(HAVE_PERL,1)
575 dnl Find the install program
578 dnl Checks for documentation and testing tools that we can do without. If these
579 dnl are not found then they are set to "true" which always succeeds but does
580 dnl nothing. This just lets the build output show that we could have done
581 dnl something if the tool was available.
582 AC_PATH_PROG(BZIP2,[bzip2],[echo "Skipped: bzip2 not found"])
583 AC_PATH_PROG(DOXYGEN,[doxygen],[echo "Skipped: doxygen not found"])
584 AC_PATH_PROG(GROFF,[groff],[echo "Skipped: groff not found"])
585 AC_PATH_PROG(GZIP,[gzip],[echo "Skipped: gzip not found"])
586 AC_PATH_PROG(POD2HTML,[pod2html],[echo "Skipped: pod2html not found"])
587 AC_PATH_PROG(POD2MAN,[pod2man],[echo "Skipped: pod2man not found"])
588 AC_PATH_PROG(RUNTEST,[runtest],[echo "Skipped: runtest not found"])
590 AC_PATH_PROG(ZIP,[zip],[echo "Skipped: zip not found"])
591 AC_PATH_PROG(OCAMLC,[ocamlc],[echo "Skipped: ocamlc not found"])
592 AC_PATH_PROG(OCAMLOPT,[ocamlopt],[echo "Skipped: ocamlopt not found"])
593 AC_PATH_PROG(OCAMLDEP,[ocamldep],[echo "Skipped: ocamldep not found"])
595 dnl Determine if the linker supports the -R option.
598 dnl Check for libtool and the library that has dlopen function (which must come
599 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
605 if test "$lt_cv_dlopen_self" = "yes" ; then
606 AC_DEFINE([CAN_DLOPEN_SELF],[1],
607 [Define if dlopen(0) will open the symbols of the program])
610 if test "$WITH_LLVMGCCDIR" = "default" ; then
611 LLVMGCC="llvm-gcc${EXEEXT}"
612 LLVMGXX="llvm-g++${EXEEXT}"
613 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
614 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
616 if test -z "$LLVMGCC"; then
617 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
619 if test -z "$LLVMGXX"; then
620 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
622 AC_SUBST(LLVMGCC,$LLVMGCC)
623 AC_SUBST(LLVMGXX,$LLVMGXX)
626 AC_MSG_CHECKING([tool compatibility])
628 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
629 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
630 dnl to support those options.
631 dnl "icc" emits gcc signatures
632 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
644 if test "$GCC" != "yes" && test "$ICC" != "yes"
646 AC_MSG_ERROR([gcc|icc required but not found])
649 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
650 if test "$GXX" != "yes" && test "$IXX" != "yes"
652 AC_MSG_ERROR([g++|icc required but not found])
655 dnl Verify that GCC is version 3.0 or higher
656 if test "$GCC" = "yes"
658 gccmajor=`$CC --version | head -n 1 | sed 's/[[^0-9]]*\([[0-9.]]\).*/\1/'`
659 if test "$gccmajor" -lt "3"
661 AC_MSG_ERROR([gcc 3.x required, but you have a lower version])
665 dnl Check for GNU Make. We use its extensions, so don't build without it
666 if test -z "$llvm_cv_gnu_make_command"
668 AC_MSG_ERROR([GNU Make required but not found])
671 dnl Tool compatibility is okay if we make it here.
674 dnl===-----------------------------------------------------------------------===
676 dnl=== SECTION 5: Check for libraries
678 dnl===-----------------------------------------------------------------------===
680 dnl libelf is for sparc only; we can ignore it if we don't have it
681 AC_CHECK_LIB(elf, elf_begin)
683 if test "$llvm_cv_os_type" = "MingW" ; then
684 AC_CHECK_LIB(imagehlp, main)
685 AC_CHECK_LIB(psapi, main)
688 dnl lt_dlopen may be required for plugin support.
689 AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1],
690 [Define if lt_dlopen() is available on this platform]),
691 AC_MSG_WARN([lt_dlopen() not found - plugin support might
694 dnl dlopen() is required for plugin support.
695 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
696 [Define if dlopen() is available on this platform.]),
697 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
699 dnl mallinfo is optional; the code can compile (minus features) without it
700 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
701 [Define if mallinfo() is available on this platform.]))
703 dnl pthread locking functions are optional - but llvm will not be thread-safe
705 if test "$ENABLE_THREADS" -eq 1 ; then
706 AC_CHECK_LIB(pthread,pthread_mutex_init)
707 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
708 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
709 [Have pthread_mutex_lock]))
712 dnl Allow extra x86-disassembler library
714 AS_HELP_STRING([--with-udis86=<path>],
715 [Use udis86 external x86 disassembler library]),
717 AC_SUBST(USE_UDIS86, [1])
720 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
722 AC_CHECK_LIB(udis86, ud_init, [], [
723 echo "Error! You need to have libudis86 around."
727 AC_SUBST(USE_UDIS86, [0]))
728 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
729 [Define if use udis86 library])
731 dnl===-----------------------------------------------------------------------===
733 dnl=== SECTION 6: Check for header files
735 dnl===-----------------------------------------------------------------------===
737 dnl First, use autoconf provided macros for specific headers that we need
738 dnl We don't check for ancient stuff or things that are guaranteed to be there
739 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
740 dnl Generally we're looking for POSIX headers.
742 AC_HEADER_MMAP_ANONYMOUS
748 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
749 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h unistd.h utime.h])
750 AC_CHECK_HEADERS([windows.h])
751 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
752 AC_CHECK_HEADERS([sys/types.h malloc/malloc.h mach/mach.h])
753 if test "$ENABLE_THREADS" -eq 1 ; then
754 AC_CHECK_HEADERS(pthread.h,
755 AC_SUBST(HAVE_PTHREAD, 1),
756 AC_SUBST(HAVE_PTHREAD, 0))
758 AC_SUBST(HAVE_PTHREAD, 0)
761 dnl===-----------------------------------------------------------------------===
763 dnl=== SECTION 7: Check for types and structures
765 dnl===-----------------------------------------------------------------------===
772 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
773 AC_CHECK_TYPES([uint64_t],,
774 AC_CHECK_TYPES([u_int64_t],,
775 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
777 dnl===-----------------------------------------------------------------------===
779 dnl=== SECTION 8: Check for specific functions needed
781 dnl===-----------------------------------------------------------------------===
783 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
784 AC_CHECK_FUNCS([powf fmodf strtof round ])
785 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
786 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
787 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
788 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
789 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
794 dnl Check for variations in the Standard C++ library and STL. These macros are
795 dnl provided by LLVM in the autoconf/m4 directory.
798 AC_CXX_HAVE_STD_ITERATOR
799 AC_CXX_HAVE_BI_ITERATOR
800 AC_CXX_HAVE_FWD_ITERATOR
804 dnl Check for mmap support.We also need to know if /dev/zero is required to
805 dnl be opened for allocating RWX memory.
806 dnl Make sure we aren't attempting to configure for an unknown system
807 if test "$llvm_cv_platform_type" = "Unix" ; then
810 AC_NEED_DEV_ZERO_FOR_MMAP
812 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
814 AC_MSG_WARN([mmap() of a fixed address required but not supported])
816 if test "$ac_cv_func_mmap_file" = "no"
818 AC_MSG_WARN([mmap() of files required but not found])
822 dnl===-----------------------------------------------------------------------===
824 dnl=== SECTION 9: Additional checks, variables, etc.
826 dnl===-----------------------------------------------------------------------===
828 dnl Check, whether __dso_handle is present
829 AC_CHECK_FUNCS([__dso_handle])
831 dnl See if the llvm-gcc executable can compile to LLVM assembly
832 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
833 [llvm_cv_llvmgcc_sanity="no"
834 if test -x "$LLVMGCC" ; then
835 cp /dev/null conftest.c
836 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
837 grep 'target datalayout =' > /dev/null 2>&1
838 if test $? -eq 0 ; then
839 llvm_cv_llvmgcc_sanity="yes"
844 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
845 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
846 AC_MSG_CHECKING([llvm-gcc component support])
847 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
848 AC_SUBST(LLVMCC1,$llvmcc1path)
849 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
850 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
851 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
852 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
853 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
854 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
855 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
856 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
857 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
858 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
859 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ -]*\).*/\1/'`]
860 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
864 dnl Propagate the shared library extension that the libltdl checks did to
865 dnl the Makefiles so we can use it there too
866 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
868 # Translate the various configuration directories and other basic
869 # information into substitutions that will end up in Makefile.config.in
870 # that these configured values can be used by the makefiles
871 if test "${prefix}" = "NONE" ; then
874 eval LLVM_PREFIX="${prefix}";
875 eval LLVM_BINDIR="${prefix}/bin";
876 eval LLVM_LIBDIR="${prefix}/lib";
877 eval LLVM_DATADIR="${prefix}/share/llvm";
878 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
879 eval LLVM_ETCDIR="${prefix}/etc/llvm";
880 eval LLVM_INCLUDEDIR="${prefix}/include";
881 eval LLVM_INFODIR="${prefix}/info";
882 eval LLVM_MANDIR="${prefix}/man";
883 LLVM_CONFIGTIME=`date`
884 AC_SUBST(LLVM_PREFIX)
885 AC_SUBST(LLVM_BINDIR)
886 AC_SUBST(LLVM_LIBDIR)
887 AC_SUBST(LLVM_DATADIR)
888 AC_SUBST(LLVM_DOCSDIR)
889 AC_SUBST(LLVM_ETCDIR)
890 AC_SUBST(LLVM_INCLUDEDIR)
891 AC_SUBST(LLVM_INFODIR)
892 AC_SUBST(LLVM_MANDIR)
893 AC_SUBST(LLVM_CONFIGTIME)
895 # Place the various directores into the config.h file as #defines so that we
896 # can know about the installation paths within LLVM.
897 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
898 [Installation prefix directory])
899 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
900 [Installation directory for binary executables])
901 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
902 [Installation directory for libraries])
903 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
904 [Installation directory for data files])
905 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
906 [Installation directory for documentation])
907 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
908 [Installation directory for config files])
909 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
910 [Installation directory for include files])
911 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
912 [Installation directory for .info files])
913 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
914 [Installation directory for man pages])
915 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
916 [Time at which LLVM was configured])
917 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
918 [Host triple we were built on])
920 # Determine which bindings to build.
921 if test "$BINDINGS_TO_BUILD" = auto ; then
923 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
924 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
927 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
929 # This isn't really configurey, but it avoids having to repeat the list in
931 AC_SUBST(ALL_BINDINGS,ocaml)
933 # Do any work necessary to ensure that bindings have what they need.
934 binding_prereqs_failed=0
935 for a_binding in $BINDINGS_TO_BUILD ; do
938 if test "x$OCAMLC" = x ; then
939 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
940 binding_prereqs_failed=1
942 if test "x$OCAMLDEP" = x ; then
943 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
944 binding_prereqs_failed=1
946 if test "x$OCAMLOPT" = x ; then
947 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
948 dnl ocamlopt is optional!
950 if test "x$with_ocaml_libdir" != xauto ; then
951 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
953 ocaml_stdlib="`"$OCAMLC" -where`"
954 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
956 # ocaml stdlib is beneath our prefix; use stdlib
957 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
959 # ocaml stdlib is outside our prefix; use libdir/ocaml
960 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
966 if test "$binding_prereqs_failed" = 1 ; then
967 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
971 dnl===-----------------------------------------------------------------------===
973 dnl=== SECTION 10: Specify the output files and generate it
975 dnl===-----------------------------------------------------------------------===
977 dnl Configure header files
978 dnl WARNING: dnl If you add or remove any of the following config headers, then
979 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
980 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
981 dnl files can be updated automatically when their *.in sources change.
982 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
983 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
984 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
985 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
986 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
988 dnl Configure the makefile's configuration data
989 AC_CONFIG_FILES([Makefile.config])
991 dnl Configure the RPM spec file for LLVM
992 AC_CONFIG_FILES([llvm.spec])
994 dnl Configure doxygen's configuration file
995 AC_CONFIG_FILES([docs/doxygen.cfg])
997 dnl Do the first stage of configuration for llvm-config.in.
998 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1000 dnl Do special configuration of Makefiles
1001 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1002 AC_CONFIG_MAKEFILE(Makefile)
1003 AC_CONFIG_MAKEFILE(Makefile.common)
1004 AC_CONFIG_MAKEFILE(examples/Makefile)
1005 AC_CONFIG_MAKEFILE(lib/Makefile)
1006 AC_CONFIG_MAKEFILE(runtime/Makefile)
1007 AC_CONFIG_MAKEFILE(test/Makefile)
1008 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1009 AC_CONFIG_MAKEFILE(tools/Makefile)
1010 AC_CONFIG_MAKEFILE(utils/Makefile)
1011 AC_CONFIG_MAKEFILE(projects/Makefile)
1012 AC_CONFIG_MAKEFILE(bindings/Makefile)
1013 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1015 dnl Finally, crank out the output