1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The University of Glasgow 1994-2004
8 # Configure script template for GHC
10 # Process with 'autoreconf' to get a working configure script.
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
16 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.11], [glasgow-haskell-bugs@haskell.org], [ghc])
18 # Set this to YES for a released version, otherwise NO
21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
22 # above. If this is not a released version, then we will append the
23 # date to the version number (e.g. 6.7.20070204). The date is
24 # constructed by finding the date of the most recent patch in the
25 # darcs repository. If this is a source distribution (not a darcs
26 # checkout), then we ship a file 'VERSION' containing the full version
27 # when the source distribution was created.
29 if test ! -f mk/config.h.in; then
30 echo "mk/config.h.in doesn't exist: perhaps you haven't run 'sh boot'?"
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
36 dnl ----------------------------------------------------------
37 dnl ** Find unixy sort and find commands,
38 dnl ** which are needed by FP_SETUP_PROJECT_VERSION
40 dnl ** Find find command (for Win32's benefit)
43 dnl ** Find sort command (for the benefit of Win32 environs)
46 dnl ----------------------------------------------------------
47 FP_SETUP_PROJECT_VERSION
49 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
50 AC_SUBST([release], [1])
52 # First off, a distrib sanity check..
53 AC_CONFIG_SRCDIR([mk/config.mk.in])
55 dnl * We require autoconf version 2.52
56 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
57 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
60 # -------------------------------------------------------------------------
61 # Prepare to generate the following header files
64 AC_CONFIG_HEADER(mk/config.h)
66 # No, semi-sadly, we don't do `--srcdir'...
67 if test x"$srcdir" != 'x.' ; then
68 echo "This configuration does not support the \`--srcdir' option.."
72 dnl --------------------------------------------------------------
73 dnl * Project specific configuration options
74 dnl --------------------------------------------------------------
75 dnl What follows is a bunch of options that can either be configured
76 dnl through command line options to the configure script or by
77 dnl supplying defns in the build tree's mk/build.mk. Having the option to
78 dnl use either is considered a Feature.
80 dnl ** What command to use to compile compiler sources ?
81 dnl --------------------------------------------------------------
84 [AC_HELP_STRING([--with-ghc=ARG],
85 [Use ARG as the path to GHC [default=autodetect]])],
87 [if test "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
92 dnl ** Booting from .hc files?
93 dnl --------------------------------------------------------------
94 AC_ARG_ENABLE(hc-boot,
95 [AC_HELP_STRING([--enable-hc-boot],
96 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
97 (This option is mostly of interest to porters.) [default=no]])],
98 [ if test x"$enableval" = x"yes"; then
106 AC_SUBST(BootingFromHc)
108 dnl ** Booting from unregisterised .hc files?
109 dnl --------------------------------------------------------------
110 AC_ARG_ENABLE(hc-boot-unregisterised,
111 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
112 [ With --enable-hc-boot, treat the intermediate .hc files as
113 unregisterised rather than registerised code.
114 (This option is mostly of interest to porters.) [default=no]])],
115 [ if test x"$enableval" = x"yes"; then
116 BootingFromUnregisterisedHc=YES
118 BootingFromUnregisterisedHc=NO
121 [BootingFromUnregisterisedHc=NO]
123 AC_SUBST(BootingFromUnregisterisedHc)
125 if test "$BootingFromHc" = "NO"; then
126 if test "$BootingFromUnregisterisedHc" = "YES"; then
127 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
131 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
132 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
133 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
134 EnableBootstrapWithDevelSnaphost=YES,
135 EnableBootstrapWithDevelSnaphost=NO
138 if test "$WithGhc" != ""; then
139 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
141 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
142 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
145 AC_SUBST(GhcVersion)dnl
146 AC_SUBST(GhcMajVersion)dnl
147 AC_SUBST(GhcMinVersion)dnl
148 AC_SUBST(GhcPatchLevel)dnl
149 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
150 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
151 if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
152 AC_SUBST(ghc_ge_609)dnl
155 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
156 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
157 if test "$WithGhc" = ""; then
158 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
160 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.8],
161 [AC_MSG_ERROR([GHC version 6.8 or later is required to compile GHC.])])dnl
163 if test `expr $GhcMinVersion % 2` = "1"; then
164 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
166 $WithGhc is a development snapshot of GHC, version $GhcVersion.
167 Bootstrapping using this version of GHC is not supported, and may not
168 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
169 or --with-ghc to specify a different GHC to use.])
174 # GHC is passed to Cabal, so we need a native path
175 if test "${WithGhc}" != ""
177 ghc_host=`${WithGhc} +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
179 if test "$ghc_host" = "i386-unknown-mingw32"
181 if test "${OSTYPE}" = "msys"
183 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
185 # Canonicalise to <drive>:/path/to/ghc
186 WithGhc=`cygpath -m ${WithGhc}`
188 echo "GHC path canonicalised to: ${WithGhc}"
193 dnl ** Without optimization some INLINE trickery fails for GHCi
196 dnl--------------------------------------------------------------------
197 dnl * Choose host(/target/build) platform
198 dnl--------------------------------------------------------------------
199 dnl We don't use the standard autoconf macros for this, but instead
200 dnl ask the bootstrapping compiler what platform it is for
202 dnl Guess host/target/build platform(s) if necessary.
203 m4_divert_once([HELP_CANON],
206 --build=BUILD configure for building on BUILD [guessed]
207 --host=HOST cross-compile to build programs to run on HOST [guessed]
208 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
210 if test "$build" = ""
212 if test "${WithGhc}" != ""
214 build=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
215 echo "Build platform inferred as: $build"
217 echo "Can't work out build platform"
224 if test "${WithGhc}" != ""
226 host=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
227 echo "Host platform inferred as: $host"
229 echo "Can't work out host platform"
234 if test "$target" = ""
236 if test "${WithGhc}" != ""
238 target=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
239 echo "Target platform inferred as: $target"
241 echo "Can't work out target platform"
250 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
251 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
258 i386-apple-darwin|powerpc-apple-darwin)
260 CFLAGS="$CFLAGS -m32"
261 LDFLAGS="$LDFLAGS -m32"
262 SRC_CC_OPTS="$SRC_CC_OPTS -m32"
263 SRC_LD_OPTS="$SRC_LD_OPTS -m32"
267 CFLAGS="$CFLAGS -m64"
268 LDFLAGS="$LDFLAGS -m64"
269 SRC_CC_OPTS="$SRC_CC_OPTS -m64"
270 SRC_LD_OPTS="$SRC_LD_OPTS -m64"
276 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
279 echo "Unknown arch $1"
287 dec|unknown|hp|apple|next|sun|sgi|ibm)
290 echo "Unknown vendor $1"
298 linux|freebsd|netbsd|openbsd|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix)
301 echo "Unknown OS '$1'"
308 BuildArch=`echo "$build" | sed 's/-.*//'`
309 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
310 BuildOS=`echo "$build" | sed 's/.*-//'`
311 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
312 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
313 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
314 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
316 checkArch "$BuildArch"
317 checkVendor "$BuildVendor"
321 HostArch=`echo "$host" | sed 's/-.*//'`
322 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
323 HostOS=`echo "$host" | sed 's/.*-//'`
324 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
325 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
326 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
327 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
329 checkArch "$HostArch"
330 checkVendor "$HostVendor"
333 TargetPlatform=$target
334 TargetArch=`echo "$target" | sed 's/-.*//'`
335 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
336 TargetOS=`echo "$target" | sed 's/.*-//'`
337 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
338 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
339 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
340 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
342 checkArch "$TargetArch"
343 checkVendor "$TargetVendor"
346 AC_SUBST(BuildPlatform)
347 AC_SUBST(HostPlatform)
348 AC_SUBST(TargetPlatform)
349 AC_SUBST(HostPlatform_CPP)
350 AC_SUBST(BuildPlatform_CPP)
351 AC_SUBST(TargetPlatform_CPP)
353 AC_SUBST(HostArch_CPP)
354 AC_SUBST(BuildArch_CPP)
355 AC_SUBST(TargetArch_CPP)
358 AC_SUBST(BuildOS_CPP)
359 AC_SUBST(TargetOS_CPP)
361 AC_SUBST(HostVendor_CPP)
362 AC_SUBST(BuildVendor_CPP)
363 AC_SUBST(TargetVendor_CPP)
369 [AC_HELP_STRING([--with-hc=ARG],
370 [Use ARG as the path to the compiler for compiling ordinary
371 Haskell code (default= value of --with-ghc)])],
377 AC_PATH_PROGS(NHC,nhc nhc98)
378 AC_PATH_PROG(HBC,hbc)
380 dnl ** Which gcc to use?
381 dnl --------------------------------------------------------------
383 [AC_HELP_STRING([--with-gcc=ARG],
384 [Use ARG as the path to GCC [default=autodetect]])],
385 [WhatGccIsCalled="$withval"
386 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
387 test "${OSTYPE}" != "msys" && \
388 test "${withval}" != ""
390 # Canonicalise to <drive>:/path/to/gcc
391 withval=`cygpath -m ${withval}`
396 [WhatGccIsCalled="gcc"]
398 AC_SUBST(WhatGccIsCalled)
400 dnl ** Which ld to use?
401 dnl --------------------------------------------------------------
403 [AC_HELP_STRING([--with-ld=ARG],
404 [Use ARG as the path to LD [default=autodetect]])],
405 [if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
406 test "${OSTYPE}" != "msys" && \
407 test "${withval}" != ""
409 # Canonicalise to <drive>:/path/to/ld
410 withval=`cygpath -m ${withval}`
418 # This uses GHC, so put it after the "GHC is required" check above:
421 dnl ** Enable the construction of Win32 DLLs?
422 dnl --------------------------------------------------------------
424 dnl [ The ability to build the RTS and libraries as separate DLLs used
425 dnl to be supported, but isn't currently (updates to the RTS, compiler
426 dnl and build system would be required to bring it back again.)
427 dnl Hence, exposing it as an option is false advertisement, so better
428 dnl disable it to avoid confusion (but leave it commented-out rather
429 dnl than removed in order to remind ourselves to bring back the
430 dnl feature at some stage.) ]
432 dnl AC_ARG_ENABLE(win32-dlls,
433 dnl [ --enable-win32-dlls
434 dnl If on a Win32 platform running mingw32/cygwin, enable the
435 dnl construction of DLLs containing ghc-compiled code.
438 dnl case $HostOS_CPP in
441 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
445 dnl EnableWin32DLLs=YES
447 dnl [EnableWin32DLLs=NO]
449 dnl AC_SUBST(EnableWin32DLLs)
450 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
451 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
454 dnl ** Mac OS X: explicit deployment target
455 dnl --------------------------------------------------------------
456 AC_ARG_WITH([macosx-deployment-target],
457 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
458 [Build for Mac OS VERSION and higher (default= version of build host)])],
459 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
460 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
461 # ignore everywhere, but on Mac OS
462 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
463 FP_MACOSX_DEPLOYMENT_TARGET=none
465 [FP_MACOSX_DEPLOYMENT_TARGET=none]
467 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
468 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
469 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
471 dnl --------------------------------------------------------------
472 dnl End of configure script option section
473 dnl --------------------------------------------------------------
476 dnl --------------------------------------------------------------
477 dnl * General configuration checks
478 dnl --------------------------------------------------------------
480 dnl ** Can the unix package be built?
481 dnl --------------------------------------------------------------
483 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
488 AC_SUBST([GhcLibsWithUnix])
493 dnl ** look for `perl', but only in /bin on Windows
496 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
497 if test -z "$PerlCmd"; then
498 echo "You must install the version of Perl shipped with GHC"
499 echo "(or a compatible one) in /bin."
504 AC_PATH_PROG(PerlCmd,perl)
505 if test -z "$PerlCmd"; then
506 echo "You must install perl before you can continue"
507 echo "Perhaps it is already installed, but not in your PATH?"
510 FPTOOLS_CHECK_PERL_VERSION
515 dnl ** does #! path/to/perl work? (sometimes it's too long...)
518 dnl ** check for Python
519 AC_PATH_PROG(PythonCmd,python)
521 dnl ** look for GCC and find out which version
522 dnl Figure out which C compiler to use. Gcc is preferred.
523 dnl If gcc, make sure it's at least 2.1
529 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
532 AC_SUBST(SRC_CC_OPTS)
533 AC_SUBST(SRC_LD_OPTS)
535 dnl ** figure out how to do context diffs
538 dnl Let's make sure install-sh is executable here. If we got it from
539 dnl a darcs repo, it might not be (see bug #978).
541 dnl ** figure out how to do a BSD-ish install
544 dnl If you can run configure, you certainly have /bin/sh
545 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
547 dnl ** how to invoke `ar' and `ranlib'
548 FP_PROG_AR_NEEDS_RANLIB
549 FP_PROG_AR_SUPPORTS_INPUT
551 dnl ** Check to see whether ln -s works
555 dnl ** Find the path to sed
556 AC_PATH_PROG(SedCmd,sed)
559 dnl ** check for time command
560 AC_PATH_PROG(TimeCmd,time)
563 dnl if GNU tar is named gtar, look for it first.
564 AC_PATH_PROGS(TarCmd,gtar tar,tar)
566 dnl ** check for patch
567 dnl if GNU patch is named gpatch, look for it first
568 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
570 AC_PATH_PROG(HSCOLOUR,HsColour)
571 # HsColour is passed to Cabal, so we need a native path
572 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
573 test "${OSTYPE}" != "msys" && \
574 test "${HSCOLOUR}" != ""
576 # Canonicalise to <drive>:/path/to/gcc
577 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
580 dnl ** check for DocBook toolchain
587 dnl ** check for ghc-pkg command
590 dnl ** check for installed happy binary + version
591 dnl (don't do it if we're booting from .hc files though.)
592 if test "$BootingFromHc" = "NO"; then
596 dnl ** check for installed alex binary + version
597 dnl (don't do it if we're booting from .hc files though.)
598 if test "$BootingFromHc" = "NO"; then
602 dnl Check we have an acceptable version of windres
605 dnl --------------------------------------------------
606 dnl ### program checking section ends here ###
607 dnl --------------------------------------------------
609 dnl --------------------------------------------------
610 dnl * Platform header file and syscall feature tests
611 dnl ### checking the state of the local header files and syscalls ###
613 dnl ** check for full ANSI header (.h) files
616 dnl ** Enable large file support. NB. do this before testing the type of
617 dnl off_t, because it will affect the result of that test.
620 dnl ** check for specific header (.h) files that we are interested in
621 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
623 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
626 dnl ** do we have long longs?
627 AC_CHECK_TYPES([long long])
629 dnl ** what are the sizes of various types
630 AC_CHECK_SIZEOF(char, 1)
631 AC_CHECK_SIZEOF(double, 8)
632 AC_CHECK_SIZEOF(float, 4)
633 AC_CHECK_SIZEOF(int, 4)
634 AC_CHECK_SIZEOF(long, 4)
635 if test "$ac_cv_type_long_long" = yes; then
636 AC_CHECK_SIZEOF(long long, 8)
638 AC_CHECK_SIZEOF(short, 2)
639 AC_CHECK_SIZEOF(unsigned char, 1)
640 AC_CHECK_SIZEOF(unsigned int, 4)
641 AC_CHECK_SIZEOF(unsigned long, 4)
642 if test "$ac_cv_type_long_long" = yes; then
643 AC_CHECK_SIZEOF(unsigned long long, 8)
645 AC_CHECK_SIZEOF(unsigned short, 2)
646 AC_CHECK_SIZEOF(void *, 4)
648 dnl ** what are alignment constraints on various types
649 FP_CHECK_ALIGNMENT(char)
650 FP_CHECK_ALIGNMENT(double)
651 FP_CHECK_ALIGNMENT(float)
652 FP_CHECK_ALIGNMENT(int)
653 FP_CHECK_ALIGNMENT(long)
654 if test "$ac_cv_type_long_long" = yes; then
655 FP_CHECK_ALIGNMENT(long long)
657 FP_CHECK_ALIGNMENT(short)
658 FP_CHECK_ALIGNMENT(unsigned char)
659 FP_CHECK_ALIGNMENT(unsigned int)
660 FP_CHECK_ALIGNMENT(unsigned long)
661 if test "$ac_cv_type_long_long" = yes; then
662 FP_CHECK_ALIGNMENT(unsigned long long)
664 FP_CHECK_ALIGNMENT(unsigned short)
665 FP_CHECK_ALIGNMENT(void *)
667 FP_CHECK_FUNC([WinExec],
668 [@%:@include <windows.h>], [WinExec("",0)])
670 FP_CHECK_FUNC([GetModuleFileName],
671 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
673 dnl ** check return type of signal handlers
674 dnl Foo: assumes we can use prototypes.
675 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
676 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
677 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
678 dnl #include <signal.h>
682 dnl void (*signal (int, void (*)(int)))(int);
685 dnl [ac_cv_type_signal_handler=void_int],
686 dnl [ac_cv_type_signal_handler=int_void])])
687 dnl if test "$ac_cv_type_signal_handler" = void_int; then
688 dnl AC_DEFINE(VOID_INT_SIGNALS)
691 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
693 if test "$ac_cv_type_signal" = void; then
694 AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
697 dnl ** check for more functions
698 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
699 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
702 #include <sys/types.h>
703 #include <sys/time.h>
705 struct itimerval tval;
706 tval.it_value.tv_sec = 1;
707 tval.it_value.tv_usec = 0;
708 tval.it_interval = tval.it_value;
709 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
711 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
713 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
714 dnl ** _POSIX_C_SOURCE is defined
715 AC_CHECK_DECLS([ctime_r], , ,
716 [#define _POSIX_SOURCE 1
717 #define _POSIX_C_SOURCE 199506L
720 dnl ** check for mingwex library
721 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
722 AC_SUBST(HaveLibMingwEx)
724 if test $HaveLibMingwEx = YES ; then
725 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
728 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
729 dnl the order of these tests matters: bfd needs liberty
730 AC_CHECK_LIB(iberty, xmalloc)
731 AC_CHECK_LIB(bfd, bfd_init)
733 dnl ** check for math library
734 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
735 if test x"$fp_libm_not_needed" = xdunno; then
736 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
740 dnl ################################################################
741 dnl Check for libraries
742 dnl ################################################################
744 dnl ** check whether we need -ldl to get dlopen()
746 AC_CHECK_LIB(dl, dlopen,
748 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
753 dnl --------------------------------------------------
754 dnl * Miscellaneous feature tests
755 dnl --------------------------------------------------
757 dnl ** can we get alloca?
760 dnl ** Working vfork?
763 dnl ** determine whether or not const works
766 dnl ** are we big endian?
768 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
770 dnl ** check for leading underscores in symbol names
771 FP_LEADING_UNDERSCORE
773 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
777 dnl ** check for Apple-style dead-stripping support
778 dnl (.subsections-via-symbols assembler directive)
781 AC_MSG_CHECKING(for .subsections_via_symbols)
783 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
785 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
786 [Define to 1 if Apple-style dead-stripping is supported.])
790 dnl *** check for GNU non-executable stack note support (ELF only)
791 dnl (.section .note.GNU-stack,"",@progbits)
793 AC_MSG_CHECKING(for GNU non-executable stack support)
795 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
797 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
798 [Define to 1 if GNU non-executable stack notes are supported.])
802 dnl ** check for librt
803 AC_CHECK_LIB(rt, clock_gettime)
804 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
805 FP_CHECK_TIMER_CREATE
807 dnl ** check for Apple's "interesting" long double compatibility scheme
808 AC_MSG_CHECKING(for printf\$LDBLStub)
809 AC_TRY_LINK_FUNC(printf\$LDBLStub,
812 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
813 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
817 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
818 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
822 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
823 if test -n "$GTK_CONFIG"; then
824 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
825 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
827 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
831 AC_SUBST([GTK_CONFIG])
834 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
835 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
836 AC_SUBST(HavePapiLib)
837 AC_SUBST(HavePapiHeader)
839 AC_CHECK_FUNCS(__mingw_vfprintf)
841 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
848 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
849 test "$XsltprocCmd" = ""
851 BUILD_DOCBOOK_HTML=NO
853 BUILD_DOCBOOK_HTML=YES
855 AC_SUBST(BUILD_DOCBOOK_HTML)
857 if test "$DblatexCmd" = ""
863 BUILD_DOCBOOK_PDF=YES
865 AC_SUBST(BUILD_DOCBOOK_PS)
866 AC_SUBST(BUILD_DOCBOOK_PDF)
868 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
869 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
872 AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml distrib/ghc.iss])
873 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
877 # http://savannah.gnu.org/bugs/index.php?1516
878 # $(eval ...) inside conditionals causes errors
879 # with make 3.80, so warn the user if it looks like they're about to
881 # We would use "grep -q" here, but Solaris's grep doesn't support it.
883 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
886 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
887 echo "This version cannot be used to build GHC."
888 echo "Please use GNU make >= 3.81."
896 ----------------------------------------------------------------------
897 Configure completed successfully.
899 Building GHC version : $ProjectVersion
901 Build platform : $BuildPlatform
902 Host platform : $HostPlatform
903 Target platform : $TargetPlatform
906 if test "$BootingFromHc" = "YES"; then
908 Bootstrapping from HC files.
912 Bootstrapping using : $WithGhc
913 which is version : $GhcVersion
918 Using GCC : $WhatGccIsCalled
919 which is version : $GccVersion
922 Happy : $HappyCmd ($HappyVersion)
923 Alex : $AlexCmd ($AlexVersion)
926 dblatex : $DblatexCmd
927 xsltproc : $XsltprocCmd"]
929 if test "$HSCOLOUR" = ""; then
931 HsColour was not found; documentation will not contain source links
940 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
941 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
942 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
944 echo ["----------------------------------------------------------------------
948 For a standard build of GHC (fully optimised with profiling), type (g)make.
950 To make changes to the default build configuration, copy the file
951 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
953 For more information on how to configure your GHC build, see
954 http://hackage.haskell.org/trac/ghc/wiki/Building