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], [7.1], [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 'perl 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 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
109 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
110 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
111 EnableBootstrapWithDevelSnaphost=YES,
112 EnableBootstrapWithDevelSnaphost=NO
115 if test "$WithGhc" != ""; then
116 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
118 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
119 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
122 AC_SUBST(GhcVersion)dnl
123 AC_SUBST(GhcMajVersion)dnl
124 AC_SUBST(GhcMinVersion)dnl
125 AC_SUBST(GhcPatchLevel)dnl
126 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
127 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
128 FP_COMPARE_VERSIONS($GhcVersion,[-ge],[6.10.2],
129 [ghc_ge_6102=YES], [ghc_ge_6102=NO])
130 if test $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
131 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
132 AC_SUBST(ghc_ge_6102)dnl
133 AC_SUBST(ghc_ge_611)dnl
134 AC_SUBST(ghc_ge_613)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
139 if test "$WithGhc" = ""; then
140 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
142 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.10],
143 [AC_MSG_ERROR([GHC version 6.10 or later is required to compile GHC.])])dnl
145 if test `expr $GhcMinVersion % 2` = "1"; then
146 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
148 $WithGhc is a development snapshot of GHC, version $GhcVersion.
149 Bootstrapping using this version of GHC is not supported, and may not
150 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
151 or --with-ghc to specify a different GHC to use.])
156 # GHC is passed to Cabal, so we need a native path
157 if test "${WithGhc}" != ""
159 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
161 if test "$ghc_host" = "i386-unknown-mingw32"
163 if test "${OSTYPE}" = "msys"
165 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
167 # Canonicalise to <drive>:/path/to/ghc
168 WithGhc=`cygpath -m "${WithGhc}"`
170 echo "GHC path canonicalised to: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
181 dnl--------------------------------------------------------------------
182 dnl * Choose host(/target/build) platform
183 dnl--------------------------------------------------------------------
184 dnl If we aren't explicitly told what values to use with configure flags,
185 dnl we ask the bootstrapping compiler what platform it is for
187 if test "${WithGhc}" != ""
189 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
190 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
191 if test "$bootstrap_host" != "$bootstrap_target"
193 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
197 # We have to run these unconditionally, but we may discard their
198 # results in the following code
203 # If no argument was given for a configuration variable, then discard
204 # the guessed canonical system and use the configuration of the
205 # bootstrapping ghc. If an argument was given, map it from gnu format
208 # For why we do it this way, see: #3637, #1717, #2951
210 if test "$build_alias" = ""
212 if test "${WithGhc}" != ""
214 build=$bootstrap_target
215 echo "Build platform inferred as: $build"
217 echo "Can't work out build platform"
221 BuildArch=`echo "$build" | sed 's/-.*//'`
222 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
223 BuildOS=`echo "$build" | sed 's/.*-//'`
225 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
226 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
227 GHC_CONVERT_OS([$build_os], [BuildOS])
230 if test "$host_alias" = ""
232 if test "${WithGhc}" != ""
234 host=$bootstrap_target
235 echo "Host platform inferred as: $host"
237 echo "Can't work out host platform"
241 HostArch=`echo "$host" | sed 's/-.*//'`
242 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
243 HostOS=`echo "$host" | sed 's/.*-//'`
245 GHC_CONVERT_CPU([$host_cpu], [HostArch])
246 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
247 GHC_CONVERT_OS([$host_os], [HostOS])
250 if test "$target_alias" = ""
252 if test "${WithGhc}" != ""
254 target=$bootstrap_target
255 echo "Target platform inferred as: $target"
257 echo "Can't work out target platform"
261 TargetArch=`echo "$target" | sed 's/-.*//'`
262 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
263 TargetOS=`echo "$target" | sed 's/.*-//'`
265 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
266 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
267 GHC_CONVERT_OS([$target_os], [TargetOS])
274 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
275 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
282 i386-apple-darwin|powerpc-apple-darwin)
292 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
295 echo "Unknown arch $1"
303 dec|unknown|hp|apple|next|sun|sgi|ibm)
306 echo "Unknown vendor $1"
314 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
317 echo "Unknown OS '$1'"
323 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
324 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
325 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
326 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
327 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
329 checkArch "$BuildArch"
330 checkVendor "$BuildVendor"
333 HostPlatform="$HostArch-$HostVendor-$HostOS"
334 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
335 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
336 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
337 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
339 checkArch "$HostArch"
340 checkVendor "$HostVendor"
343 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
344 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
345 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
346 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
347 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
349 checkArch "$TargetArch"
350 checkVendor "$TargetVendor"
353 AC_SUBST(BuildPlatform)
354 AC_SUBST(HostPlatform)
355 AC_SUBST(TargetPlatform)
356 AC_SUBST(HostPlatform_CPP)
357 AC_SUBST(BuildPlatform_CPP)
358 AC_SUBST(TargetPlatform_CPP)
360 AC_SUBST(HostArch_CPP)
361 AC_SUBST(BuildArch_CPP)
362 AC_SUBST(TargetArch_CPP)
365 AC_SUBST(BuildOS_CPP)
366 AC_SUBST(TargetOS_CPP)
368 AC_SUBST(HostVendor_CPP)
369 AC_SUBST(BuildVendor_CPP)
370 AC_SUBST(TargetVendor_CPP)
376 [AC_HELP_STRING([--with-hc=ARG],
377 [Use ARG as the path to the compiler for compiling ordinary
378 Haskell code (default= value of --with-ghc)])],
384 # This uses GHC, so put it after the "GHC is required" check above:
388 if test "$HostOS" = "mingw32"
390 CC="$hardtop/inplace/mingw/bin/gcc.exe"
391 LD="$hardtop/inplace/mingw/bin/ld.exe"
392 NM="$hardtop/inplace/mingw/bin/nm.exe"
393 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
394 if ! test -d inplace/mingw ||
395 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
396 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
397 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
398 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
399 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
400 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
401 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
402 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
403 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
405 AC_MSG_NOTICE([Making in-tree mingw tree])
407 test -d inplace || mkdir inplace
411 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
412 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
413 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
414 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
415 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
416 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
417 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
418 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
419 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
420 mv bin/gcc.exe bin/realgcc.exe
422 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
423 if ! test -e inplace/mingw/bin/gcc.exe
425 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
427 AC_MSG_NOTICE([In-tree mingw tree created])
429 if ! test -d inplace/perl ||
430 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
432 AC_MSG_NOTICE([Making in-tree perl tree])
438 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
440 AC_MSG_NOTICE([In-tree perl tree created])
444 dnl ** Which gcc to use?
445 dnl --------------------------------------------------------------
446 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
448 WhatGccIsCalled="$CC"
449 AC_SUBST(WhatGccIsCalled)
451 dnl ** Which ld to use?
452 dnl --------------------------------------------------------------
453 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
457 dnl ** Which nm to use?
458 dnl --------------------------------------------------------------
459 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
463 dnl ** Mac OS X: explicit deployment target
464 dnl --------------------------------------------------------------
465 AC_ARG_WITH([macosx-deployment-target],
466 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
467 [Build for Mac OS VERSION and higher (default= version of build host)])],
468 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
469 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
470 # ignore everywhere, but on Mac OS
471 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
472 FP_MACOSX_DEPLOYMENT_TARGET=none
474 [FP_MACOSX_DEPLOYMENT_TARGET=none]
476 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
477 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
478 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
480 dnl --------------------------------------------------------------
481 dnl End of configure script option section
482 dnl --------------------------------------------------------------
485 dnl --------------------------------------------------------------
486 dnl * General configuration checks
487 dnl --------------------------------------------------------------
489 dnl ** Can the unix package be built?
490 dnl --------------------------------------------------------------
492 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
497 AC_SUBST([GhcLibsWithUnix])
502 dnl ** look for `perl'
505 PerlCmd=$hardtop/inplace/perl/perl
508 AC_PATH_PROG(PerlCmd,perl)
509 if test -z "$PerlCmd"
511 echo "You must install perl before you can continue"
512 echo "Perhaps it is already installed, but not in your PATH?"
515 FPTOOLS_CHECK_PERL_VERSION
520 dnl ** does #! path/to/perl work? (sometimes it's too long...)
523 dnl ** check for Python
524 AC_PATH_PROG(PythonCmd,python)
526 dnl ** look for GCC and find out which version
527 dnl Figure out which C compiler to use. Gcc is preferred.
528 dnl If gcc, make sure it's at least 2.1
532 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS])
533 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0])
534 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1])
535 # Stage 3 won't be supported by cross-compilation
536 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2])
540 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
543 AC_SUBST(CONF_CC_OPTS_STAGE0)
544 AC_SUBST(CONF_CC_OPTS_STAGE1)
545 AC_SUBST(CONF_CC_OPTS_STAGE2)
546 AC_SUBST(CONF_LD_OPTS_STAGE0)
547 AC_SUBST(CONF_LD_OPTS_STAGE1)
548 AC_SUBST(CONF_LD_OPTS_STAGE2)
550 dnl ** figure out how to do context diffs
553 dnl Let's make sure install-sh is executable here. If we got it from
554 dnl a darcs repo, it might not be (see bug #978).
556 dnl ** figure out how to do a BSD-ish install
559 dnl If you can run configure, you certainly have /bin/sh
560 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
562 dnl ** how to invoke `ar' and `ranlib'
563 FP_PROG_AR_SUPPORTS_ATFILE
564 FP_PROG_AR_NEEDS_RANLIB
565 FP_PROG_AR_SUPPORTS_INPUT
567 dnl ** Check to see whether ln -s works
571 dnl ** Find the path to sed
572 AC_PATH_PROGS(SedCmd,gsed sed,sed)
575 dnl ** check for time command
576 AC_PATH_PROG(TimeCmd,time)
579 dnl if GNU tar is named gtar, look for it first.
580 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
582 dnl ** check for patch
583 dnl if GNU patch is named gpatch, look for it first
584 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
586 dnl ** check for dtrace (currently only implemented for Mac OS X)
588 AC_PATH_PROG(DtraceCmd,dtrace)
589 if test -n "$DtraceCmd"; then
590 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
596 AC_PATH_PROG(HSCOLOUR,HsColour)
597 # HsColour is passed to Cabal, so we need a native path
598 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
599 test "${OSTYPE}" != "msys" && \
600 test "${HSCOLOUR}" != ""
602 # Canonicalise to <drive>:/path/to/gcc
603 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
606 dnl ** check for DocBook toolchain
613 dnl ** check for ghc-pkg command
616 dnl ** check for installed happy binary + version
617 dnl (don't do it if we're booting from .hc files though.)
618 if test "$BootingFromHc" = "NO"; then
622 dnl ** check for installed alex binary + version
623 dnl (don't do it if we're booting from .hc files though.)
624 if test "$BootingFromHc" = "NO"; then
628 dnl --------------------------------------------------
629 dnl ### program checking section ends here ###
630 dnl --------------------------------------------------
632 dnl --------------------------------------------------
633 dnl * Platform header file and syscall feature tests
634 dnl ### checking the state of the local header files and syscalls ###
636 dnl ** check for full ANSI header (.h) files
639 dnl ** Enable large file support. NB. do this before testing the type of
640 dnl off_t, because it will affect the result of that test.
643 dnl ** check for specific header (.h) files that we are interested in
644 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
646 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
649 dnl ** do we have long longs?
650 AC_CHECK_TYPES([long long])
652 dnl ** what are the sizes of various types
653 AC_CHECK_SIZEOF(char, 1)
654 AC_CHECK_SIZEOF(double, 8)
655 AC_CHECK_SIZEOF(float, 4)
656 AC_CHECK_SIZEOF(int, 4)
657 AC_CHECK_SIZEOF(long, 4)
658 if test "$ac_cv_type_long_long" = yes; then
659 AC_CHECK_SIZEOF(long long, 8)
661 AC_CHECK_SIZEOF(short, 2)
662 AC_CHECK_SIZEOF(unsigned char, 1)
663 AC_CHECK_SIZEOF(unsigned int, 4)
664 AC_CHECK_SIZEOF(unsigned long, 4)
665 if test "$ac_cv_type_long_long" = yes; then
666 AC_CHECK_SIZEOF(unsigned long long, 8)
668 AC_CHECK_SIZEOF(unsigned short, 2)
669 AC_CHECK_SIZEOF(void *, 4)
671 dnl ** what are alignment constraints on various types
672 FP_CHECK_ALIGNMENT(char)
673 FP_CHECK_ALIGNMENT(double)
674 FP_CHECK_ALIGNMENT(float)
675 FP_CHECK_ALIGNMENT(int)
676 FP_CHECK_ALIGNMENT(long)
677 if test "$ac_cv_type_long_long" = yes; then
678 FP_CHECK_ALIGNMENT(long long)
680 FP_CHECK_ALIGNMENT(short)
681 FP_CHECK_ALIGNMENT(unsigned char)
682 FP_CHECK_ALIGNMENT(unsigned int)
683 FP_CHECK_ALIGNMENT(unsigned long)
684 if test "$ac_cv_type_long_long" = yes; then
685 FP_CHECK_ALIGNMENT(unsigned long long)
687 FP_CHECK_ALIGNMENT(unsigned short)
688 FP_CHECK_ALIGNMENT(void *)
690 FP_CHECK_FUNC([WinExec],
691 [@%:@include <windows.h>], [WinExec("",0)])
693 FP_CHECK_FUNC([GetModuleFileName],
694 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
696 dnl ** check return type of signal handlers
697 dnl Foo: assumes we can use prototypes.
698 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
699 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
700 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
701 dnl #include <signal.h>
705 dnl void (*signal (int, void (*)(int)))(int);
708 dnl [ac_cv_type_signal_handler=void_int],
709 dnl [ac_cv_type_signal_handler=int_void])])
710 dnl if test "$ac_cv_type_signal_handler" = void_int; then
711 dnl AC_DEFINE(VOID_INT_SIGNALS)
714 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
716 if test "$ac_cv_type_signal" = void; then
717 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).])
720 dnl ** check for more functions
721 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
722 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
725 #include <sys/types.h>
726 #include <sys/time.h>
728 struct itimerval tval;
729 tval.it_value.tv_sec = 1;
730 tval.it_value.tv_usec = 0;
731 tval.it_interval = tval.it_value;
732 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
734 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
736 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
737 dnl ** _POSIX_C_SOURCE is defined
738 AC_CHECK_DECLS([ctime_r], , ,
739 [#define _POSIX_SOURCE 1
740 #define _POSIX_C_SOURCE 199506L
743 dnl ** check for mingwex library
744 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
745 AC_SUBST(HaveLibMingwEx)
747 if test $HaveLibMingwEx = YES ; then
748 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
751 dnl ** check for math library
752 dnl Keep that check as early as possible.
753 dnl as we need to know whether we need libm
754 dnl for math functions or not
755 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
756 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
757 if test $HaveLibM = YES
759 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
762 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
763 dnl the order of these tests matters: bfd needs liberty
764 AC_CHECK_LIB(iberty, xmalloc)
765 AC_CHECK_LIB(bfd, bfd_init)
767 dnl ################################################################
768 dnl Check for libraries
769 dnl ################################################################
771 dnl ** check whether we need -ldl to get dlopen()
773 AC_CHECK_LIB(dl, dlopen,
775 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
780 dnl --------------------------------------------------
781 dnl * Miscellaneous feature tests
782 dnl --------------------------------------------------
784 dnl ** can we get alloca?
787 dnl ** Working vfork?
790 dnl ** determine whether or not const works
793 dnl ** are we big endian?
795 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
797 dnl ** check for leading underscores in symbol names
798 FP_LEADING_UNDERSCORE
800 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
804 dnl ** check for Apple-style dead-stripping support
805 dnl (.subsections-via-symbols assembler directive)
808 AC_MSG_CHECKING(for .subsections_via_symbols)
810 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
812 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
813 [Define to 1 if Apple-style dead-stripping is supported.])
817 dnl *** check for GNU non-executable stack note support (ELF only)
818 dnl (.section .note.GNU-stack,"",@progbits)
820 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
821 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
822 dnl so we empty CFLAGS while running this test
825 AC_MSG_CHECKING(for GNU non-executable stack support)
827 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
829 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
830 [Define to 1 if GNU non-executable stack notes are supported.])
837 dnl ** check for librt
838 AC_CHECK_LIB(rt, clock_gettime)
839 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
840 FP_CHECK_TIMER_CREATE
842 dnl ** check for Apple's "interesting" long double compatibility scheme
843 AC_MSG_CHECKING(for printf\$LDBLStub)
844 AC_TRY_LINK_FUNC(printf\$LDBLStub,
847 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
848 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
852 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
853 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
856 dnl ** check for eventfd which is needed by the I/O manager
857 AC_CHECK_HEADERS([sys/eventfd.h])
858 AC_CHECK_FUNCS([eventfd])
861 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
862 if test -n "$GTK_CONFIG"; then
863 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
864 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
866 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
870 AC_SUBST([GTK_CONFIG])
873 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
874 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
875 AC_SUBST(HavePapiLib)
876 AC_SUBST(HavePapiHeader)
878 AC_CHECK_FUNCS(__mingw_vfprintf)
880 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
887 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
888 test "$XsltprocCmd" = ""
890 BUILD_DOCBOOK_HTML=NO
892 BUILD_DOCBOOK_HTML=YES
894 AC_SUBST(BUILD_DOCBOOK_HTML)
896 if test "$DblatexCmd" = ""
902 BUILD_DOCBOOK_PDF=YES
904 AC_SUBST(BUILD_DOCBOOK_PS)
905 AC_SUBST(BUILD_DOCBOOK_PDF)
907 LIBRARY_VERSION(base)
908 LIBRARY_VERSION(Cabal)
909 LIBRARY_VERSION(ghc-prim)
910 LIBRARY_ghc_VERSION="$ProjectVersion"
911 AC_SUBST(LIBRARY_ghc_VERSION)
913 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
914 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
917 AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac distrib/MacOS/installer-scripts/create-links distrib/MacOS/installer-scripts/Uninstaller distrib/MacOS/GHC-system.pmdoc/index.xml])
918 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
922 # http://savannah.gnu.org/bugs/index.php?1516
923 # $(eval ...) inside conditionals causes errors
924 # with make 3.80, so warn the user if it looks like they're about to
926 # We would use "grep -q" here, but Solaris's grep doesn't support it.
928 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
931 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
932 echo "This version cannot be used to build GHC."
933 echo "Please use GNU make >= 3.81."
941 ----------------------------------------------------------------------
942 Configure completed successfully.
944 Building GHC version : $ProjectVersion
946 Build platform : $BuildPlatform
947 Host platform : $HostPlatform
948 Target platform : $TargetPlatform
951 if test "$BootingFromHc" = "YES"; then
953 Bootstrapping from HC files.
957 Bootstrapping using : $WithGhc
958 which is version : $GhcVersion
963 Using GCC : $WhatGccIsCalled
964 which is version : $GccVersion
967 Happy : $HappyCmd ($HappyVersion)
968 Alex : $AlexCmd ($AlexVersion)
971 dblatex : $DblatexCmd
972 xsltproc : $XsltprocCmd"]
974 if test "$HSCOLOUR" = ""; then
976 HsColour was not found; documentation will not contain source links
985 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
986 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
987 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
989 echo ["----------------------------------------------------------------------
993 For a standard build of GHC (fully optimised with profiling), type (g)make.
995 To make changes to the default build configuration, copy the file
996 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
998 For more information on how to configure your GHC build, see
999 http://hackage.haskell.org/trac/ghc/wiki/Building