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 "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
92 dnl ** Booting from unregisterised .hc files?
93 dnl --------------------------------------------------------------
94 AC_ARG_ENABLE(hc-boot-unregisterised,
95 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
96 [ With --enable-hc-boot, treat the intermediate .hc files as
97 unregisterised rather than registerised code.
98 (This option is mostly of interest to porters.) [default=no]])],
99 [ if test x"$enableval" = x"yes"; then
100 BootingFromUnregisterisedHc=YES
102 BootingFromUnregisterisedHc=NO
105 [BootingFromUnregisterisedHc=NO]
107 AC_SUBST(BootingFromUnregisterisedHc)
109 if test "$BootingFromHc" = "NO"; then
110 if test "$BootingFromUnregisterisedHc" = "YES"; then
111 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
115 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
116 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
117 if test "$WithGhc" = ""; then
118 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
120 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.8],
121 [AC_MSG_ERROR([GHC version 6.8 or later is required to compile GHC.])])dnl
123 if test `expr $GhcMinVersion % 2` = "1"; then
124 echo $EnableBootstrapWithDevelSnaphost
125 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
127 $WithGhc is a development snapshot of GHC, version $GhcVersion.
128 Bootstrapping using this version of GHC is not supported, and may not
129 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
130 or --with-ghc to specify a different GHC to use.])
135 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
136 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
137 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
138 EnableBootstrapWithDevelSnaphost=YES,
139 EnableBootstrapWithDevelSnaphost=NO
142 if test "$WithGhc" != ""; then
143 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
145 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
146 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
149 AC_SUBST(GhcVersion)dnl
150 AC_SUBST(GhcMajVersion)dnl
151 AC_SUBST(GhcMinVersion)dnl
152 AC_SUBST(GhcPatchLevel)dnl
153 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
154 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
155 if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
156 AC_SUBST(ghc_ge_609)dnl
159 # GHC is passed to Cabal, so we need a native path
160 if test "${WithGhc}" != ""
162 ghc_host=`${WithGhc} +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
164 if test "$ghc_host" = "i386-unknown-mingw32"
166 if test "${OSTYPE}" = "msys"
168 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
170 # Canonicalise to <drive>:/path/to/ghc
171 WithGhc=`cygpath -m ${WithGhc}`
173 echo "GHC path canonicalised to: ${WithGhc}"
178 dnl ** Without optimization some INLINE trickery fails for GHCi
181 dnl--------------------------------------------------------------------
182 dnl * Choose host(/target/build) platform
183 dnl--------------------------------------------------------------------
184 dnl We don't use the standard autoconf macros for this, but instead
185 dnl ask the bootstrapping compiler what platform it is for
187 dnl Guess host/target/build platform(s) if necessary.
188 m4_divert_once([HELP_CANON],
191 --build=BUILD configure for building on BUILD [guessed]
192 --host=HOST cross-compile to build programs to run on HOST [guessed]
193 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
195 if test "$build" = ""
197 if test "${WithGhc}" != ""
199 build=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
200 echo "Build platform inferred as: $build"
202 echo "Can't work out build platform"
209 if test "${WithGhc}" != ""
211 host=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
212 echo "Host platform inferred as: $host"
214 echo "Can't work out host platform"
219 if test "$target" = ""
221 if test "${WithGhc}" != ""
223 target=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
224 echo "Target platform inferred as: $target"
226 echo "Can't work out target platform"
235 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
236 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
243 i386-apple-darwin|powerpc-apple-darwin)
245 CFLAGS="$CFLAGS -m32"
246 LDFLAGS="$LDFLAGS -m32"
247 SRC_CC_OPTS="$SRC_CC_OPTS -m32"
248 SRC_LD_OPTS="$SRC_LD_OPTS -m32"
252 CFLAGS="$CFLAGS -m64"
253 LDFLAGS="$LDFLAGS -m64"
254 SRC_CC_OPTS="$SRC_CC_OPTS -m64"
255 SRC_LD_OPTS="$SRC_LD_OPTS -m64"
261 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
264 echo "Unknown arch $1"
272 dec|unknown|hp|apple|next|sun|sgi|ibm)
275 echo "Unknown vendor $1"
283 linux|freebsd|netbsd|openbsd|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix)
286 echo "Unknown OS '$1'"
293 BuildArch=`echo "$build" | sed 's/-.*//'`
294 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
295 BuildOS=`echo "$build" | sed 's/.*-//'`
296 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
297 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
298 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
299 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
301 checkArch "$BuildArch"
302 checkVendor "$BuildVendor"
306 HostArch=`echo "$host" | sed 's/-.*//'`
307 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
308 HostOS=`echo "$host" | sed 's/.*-//'`
309 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
310 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
311 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
312 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
314 checkArch "$HostArch"
315 checkVendor "$HostVendor"
318 TargetPlatform=$target
319 TargetArch=`echo "$target" | sed 's/-.*//'`
320 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
321 TargetOS=`echo "$target" | sed 's/.*-//'`
322 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
323 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
324 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
325 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
327 checkArch "$TargetArch"
328 checkVendor "$TargetVendor"
331 AC_SUBST(BuildPlatform)
332 AC_SUBST(HostPlatform)
333 AC_SUBST(TargetPlatform)
334 AC_SUBST(HostPlatform_CPP)
335 AC_SUBST(BuildPlatform_CPP)
336 AC_SUBST(TargetPlatform_CPP)
338 AC_SUBST(HostArch_CPP)
339 AC_SUBST(BuildArch_CPP)
340 AC_SUBST(TargetArch_CPP)
343 AC_SUBST(BuildOS_CPP)
344 AC_SUBST(TargetOS_CPP)
346 AC_SUBST(HostVendor_CPP)
347 AC_SUBST(BuildVendor_CPP)
348 AC_SUBST(TargetVendor_CPP)
354 [AC_HELP_STRING([--with-hc=ARG],
355 [Use ARG as the path to the compiler for compiling ordinary
356 Haskell code (default= value of --with-ghc)])],
362 AC_PATH_PROGS(NHC,nhc nhc98)
363 AC_PATH_PROG(HBC,hbc)
365 dnl ** Which gcc to use?
366 dnl --------------------------------------------------------------
368 [AC_HELP_STRING([--with-gcc=ARG],
369 [Use ARG as the path to GCC [default=autodetect]])],
370 [WhatGccIsCalled="$withval"
371 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
372 test "${OSTYPE}" != "msys" && \
373 test "${withval}" != ""
375 # Canonicalise to <drive>:/path/to/gcc
376 withval=`cygpath -m ${withval}`
381 [WhatGccIsCalled="gcc"]
383 AC_SUBST(WhatGccIsCalled)
385 dnl ** Which ld to use?
386 dnl --------------------------------------------------------------
388 [AC_HELP_STRING([--with-ld=ARG],
389 [Use ARG as the path to LD [default=autodetect]])],
390 [if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
391 test "${OSTYPE}" != "msys" && \
392 test "${withval}" != ""
394 # Canonicalise to <drive>:/path/to/ld
395 withval=`cygpath -m ${withval}`
403 dnl ** Booting from .hc files?
404 dnl --------------------------------------------------------------
405 AC_ARG_ENABLE(hc-boot,
406 [AC_HELP_STRING([--enable-hc-boot],
407 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
408 (This option is mostly of interest to porters.) [default=no]])],
409 [ if test x"$enableval" = x"yes"; then
417 AC_SUBST(BootingFromHc)
419 # This uses GHC, so put it after the "GHC is required" check above:
422 dnl ** Enable the construction of Win32 DLLs?
423 dnl --------------------------------------------------------------
425 dnl [ The ability to build the RTS and libraries as separate DLLs used
426 dnl to be supported, but isn't currently (updates to the RTS, compiler
427 dnl and build system would be required to bring it back again.)
428 dnl Hence, exposing it as an option is false advertisement, so better
429 dnl disable it to avoid confusion (but leave it commented-out rather
430 dnl than removed in order to remind ourselves to bring back the
431 dnl feature at some stage.) ]
433 dnl AC_ARG_ENABLE(win32-dlls,
434 dnl [ --enable-win32-dlls
435 dnl If on a Win32 platform running mingw32/cygwin, enable the
436 dnl construction of DLLs containing ghc-compiled code.
439 dnl case $HostOS_CPP in
442 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
446 dnl EnableWin32DLLs=YES
448 dnl [EnableWin32DLLs=NO]
450 dnl AC_SUBST(EnableWin32DLLs)
451 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
452 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
455 dnl ** Mac OS X: explicit deployment target
456 dnl --------------------------------------------------------------
457 AC_ARG_WITH([macosx-deployment-target],
458 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
459 [Build for Mac OS VERSION and higher (default= version of build host)])],
460 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
461 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
462 # ignore everywhere, but on Mac OS
463 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
464 FP_MACOSX_DEPLOYMENT_TARGET=none
466 [FP_MACOSX_DEPLOYMENT_TARGET=none]
468 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
469 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
470 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
472 dnl --------------------------------------------------------------
473 dnl End of configure script option section
474 dnl --------------------------------------------------------------
477 dnl --------------------------------------------------------------
478 dnl * General configuration checks
479 dnl --------------------------------------------------------------
481 dnl ** Can the unix package be built?
482 dnl --------------------------------------------------------------
484 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
489 AC_SUBST([GhcLibsWithUnix])
494 dnl ** look for `perl', but only in /bin on Windows
497 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
498 if test -z "$PerlCmd"; then
499 echo "You must install the version of Perl shipped with GHC"
500 echo "(or a compatible one) in /bin."
505 AC_PATH_PROG(PerlCmd,perl)
506 if test -z "$PerlCmd"; then
507 echo "You must install perl before you can continue"
508 echo "Perhaps it is already installed, but not in your PATH?"
511 FPTOOLS_CHECK_PERL_VERSION
516 dnl ** does #! path/to/perl work? (sometimes it's too long...)
519 dnl ** check for Python
520 AC_PATH_PROG(PythonCmd,python)
522 dnl ** look for GCC and find out which version
523 dnl Figure out which C compiler to use. Gcc is preferred.
524 dnl If gcc, make sure it's at least 2.1
530 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
533 AC_SUBST(SRC_CC_OPTS)
534 AC_SUBST(SRC_LD_OPTS)
536 dnl ** figure out how to do context diffs
539 dnl Let's make sure install-sh is executable here. If we got it from
540 dnl a darcs repo, it might not be (see bug #978).
542 dnl ** figure out how to do a BSD-ish install
545 dnl If you can run configure, you certainly have /bin/sh
546 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
548 dnl ** how to invoke `ar' and `ranlib'
549 FP_PROG_AR_NEEDS_RANLIB
550 FP_PROG_AR_SUPPORTS_INPUT
552 dnl ** Check to see whether ln -s works
556 dnl ** Find the path to sed
557 AC_PATH_PROG(SedCmd,sed)
560 dnl ** check for time command
561 AC_PATH_PROG(TimeCmd,time)
564 dnl if GNU tar is named gtar, look for it first.
565 AC_PATH_PROGS(TarCmd,gtar tar,tar)
567 dnl ** check for patch
568 dnl if GNU patch is named gpatch, look for it first
569 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
571 AC_PATH_PROG(HSCOLOUR,HsColour)
572 # HsColour is passed to Cabal, so we need a native path
573 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
574 test "${OSTYPE}" != "msys" && \
575 test "${HSCOLOUR}" != ""
577 # Canonicalise to <drive>:/path/to/gcc
578 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
581 dnl ** check for DocBook toolchain
588 dnl ** check for ghc-pkg command
591 dnl ** check for installed happy binary + version
592 dnl (don't do it if we're booting from .hc files though.)
593 if test "$BootingFromHc" = "NO"; then
597 dnl ** check for installed alex binary + version
598 dnl (don't do it if we're booting from .hc files though.)
599 if test "$BootingFromHc" = "NO"; then
603 dnl Check we have an acceptable version of windres
606 dnl --------------------------------------------------
607 dnl ### program checking section ends here ###
608 dnl --------------------------------------------------
610 dnl --------------------------------------------------
611 dnl * Platform header file and syscall feature tests
612 dnl ### checking the state of the local header files and syscalls ###
614 dnl ** check for full ANSI header (.h) files
617 dnl ** Enable large file support. NB. do this before testing the type of
618 dnl off_t, because it will affect the result of that test.
621 dnl ** check for specific header (.h) files that we are interested in
622 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
624 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
627 dnl ** do we have long longs?
628 AC_CHECK_TYPES([long long])
630 dnl ** what are the sizes of various types
631 AC_CHECK_SIZEOF(char, 1)
632 AC_CHECK_SIZEOF(double, 8)
633 AC_CHECK_SIZEOF(float, 4)
634 AC_CHECK_SIZEOF(int, 4)
635 AC_CHECK_SIZEOF(long, 4)
636 if test "$ac_cv_type_long_long" = yes; then
637 AC_CHECK_SIZEOF(long long, 8)
639 AC_CHECK_SIZEOF(short, 2)
640 AC_CHECK_SIZEOF(unsigned char, 1)
641 AC_CHECK_SIZEOF(unsigned int, 4)
642 AC_CHECK_SIZEOF(unsigned long, 4)
643 if test "$ac_cv_type_long_long" = yes; then
644 AC_CHECK_SIZEOF(unsigned long long, 8)
646 AC_CHECK_SIZEOF(unsigned short, 2)
647 AC_CHECK_SIZEOF(void *, 4)
649 dnl ** what are alignment constraints on various types
650 FP_CHECK_ALIGNMENT(char)
651 FP_CHECK_ALIGNMENT(double)
652 FP_CHECK_ALIGNMENT(float)
653 FP_CHECK_ALIGNMENT(int)
654 FP_CHECK_ALIGNMENT(long)
655 if test "$ac_cv_type_long_long" = yes; then
656 FP_CHECK_ALIGNMENT(long long)
658 FP_CHECK_ALIGNMENT(short)
659 FP_CHECK_ALIGNMENT(unsigned char)
660 FP_CHECK_ALIGNMENT(unsigned int)
661 FP_CHECK_ALIGNMENT(unsigned long)
662 if test "$ac_cv_type_long_long" = yes; then
663 FP_CHECK_ALIGNMENT(unsigned long long)
665 FP_CHECK_ALIGNMENT(unsigned short)
666 FP_CHECK_ALIGNMENT(void *)
668 FP_CHECK_FUNC([WinExec],
669 [@%:@include <windows.h>], [WinExec("",0)])
671 FP_CHECK_FUNC([GetModuleFileName],
672 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
674 dnl ** check return type of signal handlers
675 dnl Foo: assumes we can use prototypes.
676 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
677 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
678 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
679 dnl #include <signal.h>
683 dnl void (*signal (int, void (*)(int)))(int);
686 dnl [ac_cv_type_signal_handler=void_int],
687 dnl [ac_cv_type_signal_handler=int_void])])
688 dnl if test "$ac_cv_type_signal_handler" = void_int; then
689 dnl AC_DEFINE(VOID_INT_SIGNALS)
692 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
694 if test "$ac_cv_type_signal" = void; then
695 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).])
698 dnl ** check for more functions
699 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
700 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
703 #include <sys/types.h>
704 #include <sys/time.h>
706 struct itimerval tval;
707 tval.it_value.tv_sec = 1;
708 tval.it_value.tv_usec = 0;
709 tval.it_interval = tval.it_value;
710 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
712 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
714 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
715 dnl ** _POSIX_C_SOURCE is defined
716 AC_CHECK_DECLS([ctime_r], , ,
717 [#define _POSIX_SOURCE 1
718 #define _POSIX_C_SOURCE 199506L
721 dnl ** check for mingwex library
722 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
723 AC_SUBST(HaveLibMingwEx)
725 if test $HaveLibMingwEx = YES ; then
726 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
729 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
730 dnl the order of these tests matters: bfd needs liberty
731 AC_CHECK_LIB(iberty, xmalloc)
732 AC_CHECK_LIB(bfd, bfd_init)
734 dnl ** check for math library
735 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
736 if test x"$fp_libm_not_needed" = xdunno; then
737 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
741 dnl ################################################################
742 dnl Check for libraries
743 dnl ################################################################
745 dnl ** check whether we need -ldl to get dlopen()
747 AC_CHECK_LIB(dl, dlopen,
749 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
754 dnl --------------------------------------------------
755 dnl * Miscellaneous feature tests
756 dnl --------------------------------------------------
758 dnl ** can we get alloca?
761 dnl ** Working vfork?
764 dnl ** determine whether or not const works
767 dnl ** are we big endian?
769 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
771 dnl ** check for leading underscores in symbol names
772 FP_LEADING_UNDERSCORE
774 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
778 dnl ** check for Apple-style dead-stripping support
779 dnl (.subsections-via-symbols assembler directive)
782 AC_MSG_CHECKING(for .subsections_via_symbols)
784 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
786 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
787 [Define to 1 if Apple-style dead-stripping is supported.])
791 dnl *** check for GNU non-executable stack note support (ELF only)
792 dnl (.section .note.GNU-stack,"",@progbits)
794 AC_MSG_CHECKING(for GNU non-executable stack support)
796 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
798 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
799 [Define to 1 if GNU non-executable stack notes are supported.])
803 dnl ** check for librt
804 AC_CHECK_LIB(rt, clock_gettime)
805 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
806 FP_CHECK_TIMER_CREATE
808 dnl ** check for Apple's "interesting" long double compatibility scheme
809 AC_MSG_CHECKING(for printf\$LDBLStub)
810 AC_TRY_LINK_FUNC(printf\$LDBLStub,
813 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
814 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
818 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
819 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
823 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
824 if test -n "$GTK_CONFIG"; then
825 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
826 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
828 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
832 AC_SUBST([GTK_CONFIG])
835 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
836 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
837 AC_SUBST(HavePapiLib)
838 AC_SUBST(HavePapiHeader)
840 AC_CHECK_FUNCS(__mingw_vfprintf)
842 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
849 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
850 test "$XsltprocCmd" = ""
852 BUILD_DOCBOOK_HTML=NO
854 BUILD_DOCBOOK_HTML=YES
856 AC_SUBST(BUILD_DOCBOOK_HTML)
858 if test "$DblatexCmd" = ""
864 BUILD_DOCBOOK_PDF=YES
866 AC_SUBST(BUILD_DOCBOOK_PS)
867 AC_SUBST(BUILD_DOCBOOK_PDF)
869 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
870 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
873 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])
874 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
878 # http://savannah.gnu.org/bugs/index.php?1516
879 # $(eval ...) inside conditionals causes errors
880 # with make 3.80, so warn the user if it looks like they're about to
882 # We would use "grep -q" here, but Solaris's grep doesn't support it.
884 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
887 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
888 echo "This version cannot be used to build GHC."
889 echo "Please use GNU make >= 3.81."
897 ----------------------------------------------------------------------
898 Configure completed successfully.
900 Building GHC version : $ProjectVersion
902 Build platform : $BuildPlatform
903 Host platform : $HostPlatform
904 Target platform : $TargetPlatform
907 if test "$BootingFromHc" = "YES"; then
909 Bootstrapping from HC files.
913 Bootstrapping using : $WithGhc
914 which is version : $GhcVersion
919 Using GCC : $WhatGccIsCalled
920 which is version : $GccVersion
923 Happy : $HappyCmd ($HappyVersion)
924 Alex : $AlexCmd ($AlexVersion)
927 dblatex : $DblatexCmd
928 xsltproc : $XsltprocCmd"]
930 if test "$HSCOLOUR" = ""; then
932 HsColour was not found; documentation will not contain source links
941 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
942 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
943 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF
945 Building shared libraries : $BuildSharedLibs"]
947 echo ["----------------------------------------------------------------------
951 For a standard build of GHC (fully optimised with profiling), type (g)make.
953 To make changes to the default build configuration, copy the file
954 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
956 For more information on how to configure your GHC build, see
957 http://hackage.haskell.org/trac/ghc/wiki/Building