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 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
129 AC_SUBST(ghc_ge_613)dnl
132 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
133 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
134 if test "$WithGhc" = ""; then
135 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
137 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
138 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
140 if test `expr $GhcMinVersion % 2` = "1"; then
141 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
143 $WithGhc is a development snapshot of GHC, version $GhcVersion.
144 Bootstrapping using this version of GHC is not supported, and may not
145 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
146 or --with-ghc to specify a different GHC to use.])
151 # GHC is passed to Cabal, so we need a native path
152 if test "${WithGhc}" != ""
154 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
156 if test "$ghc_host" = "i386-unknown-mingw32"
158 if test "${OSTYPE}" = "msys"
160 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
162 # Canonicalise to <drive>:/path/to/ghc
163 WithGhc=`cygpath -m "${WithGhc}"`
165 echo "GHC path canonicalised to: ${WithGhc}"
170 dnl ** Without optimization some INLINE trickery fails for GHCi
176 dnl--------------------------------------------------------------------
177 dnl * Choose host(/target/build) platform
178 dnl--------------------------------------------------------------------
179 dnl If we aren't explicitly told what values to use with configure flags,
180 dnl we ask the bootstrapping compiler what platform it is for
182 if test "${WithGhc}" != ""
184 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
185 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
186 if test "$bootstrap_host" != "$bootstrap_target"
188 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
192 # We have to run these unconditionally, but we may discard their
193 # results in the following code
198 # If no argument was given for a configuration variable, then discard
199 # the guessed canonical system and use the configuration of the
200 # bootstrapping ghc. If an argument was given, map it from gnu format
203 # For why we do it this way, see: #3637, #1717, #2951
205 if test "$build_alias" = ""
207 if test "${WithGhc}" != ""
209 build=$bootstrap_target
210 echo "Build platform inferred as: $build"
212 echo "Can't work out build platform"
216 BuildArch=`echo "$build" | sed 's/-.*//'`
217 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
218 BuildOS=`echo "$build" | sed 's/.*-//'`
220 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
221 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
222 GHC_CONVERT_OS([$build_os], [BuildOS])
225 if test "$host_alias" = ""
227 if test "${WithGhc}" != ""
229 host=$bootstrap_target
230 echo "Host platform inferred as: $host"
232 echo "Can't work out host platform"
236 HostArch=`echo "$host" | sed 's/-.*//'`
237 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
238 HostOS=`echo "$host" | sed 's/.*-//'`
240 GHC_CONVERT_CPU([$host_cpu], [HostArch])
241 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
242 GHC_CONVERT_OS([$host_os], [HostOS])
245 if test "$target_alias" = ""
247 if test "${WithGhc}" != ""
249 target=$bootstrap_target
250 echo "Target platform inferred as: $target"
252 echo "Can't work out target platform"
256 TargetArch=`echo "$target" | sed 's/-.*//'`
257 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
258 TargetOS=`echo "$target" | sed 's/.*-//'`
260 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
261 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
262 GHC_CONVERT_OS([$target_os], [TargetOS])
269 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
270 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
277 i386-apple-darwin|powerpc-apple-darwin)
287 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
290 echo "Unknown arch $1"
298 dec|unknown|hp|apple|next|sun|sgi|ibm)
301 echo "Unknown vendor $1"
309 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
312 echo "Unknown OS '$1'"
318 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
319 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
320 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
321 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
322 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
324 checkArch "$BuildArch"
325 checkVendor "$BuildVendor"
328 HostPlatform="$HostArch-$HostVendor-$HostOS"
329 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
330 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
331 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
332 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
334 checkArch "$HostArch"
335 checkVendor "$HostVendor"
338 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
339 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
340 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
341 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
342 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
344 checkArch "$TargetArch"
345 checkVendor "$TargetVendor"
348 AC_SUBST(BuildPlatform)
349 AC_SUBST(HostPlatform)
350 AC_SUBST(TargetPlatform)
351 AC_SUBST(HostPlatform_CPP)
352 AC_SUBST(BuildPlatform_CPP)
353 AC_SUBST(TargetPlatform_CPP)
355 AC_SUBST(HostArch_CPP)
356 AC_SUBST(BuildArch_CPP)
357 AC_SUBST(TargetArch_CPP)
360 AC_SUBST(BuildOS_CPP)
361 AC_SUBST(TargetOS_CPP)
363 AC_SUBST(HostVendor_CPP)
364 AC_SUBST(BuildVendor_CPP)
365 AC_SUBST(TargetVendor_CPP)
371 [AC_HELP_STRING([--with-hc=ARG],
372 [Use ARG as the path to the compiler for compiling ordinary
373 Haskell code (default= value of --with-ghc)])],
379 # This uses GHC, so put it after the "GHC is required" check above:
383 if test "$HostOS" = "mingw32"
385 test -d inplace || mkdir inplace
387 CC="$hardtop/inplace/mingw/bin/gcc.exe"
388 LD="$hardtop/inplace/mingw/bin/ld.exe"
389 NM="$hardtop/inplace/mingw/bin/nm.exe"
390 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
391 if ! test -d inplace/mingw ||
392 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
393 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
394 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
395 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
396 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
397 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
398 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
399 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
400 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
401 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
403 AC_MSG_NOTICE([Making in-tree mingw tree])
408 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
409 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
410 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
411 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
412 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
413 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
414 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
415 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
416 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
417 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
418 mv bin/gcc.exe bin/realgcc.exe
420 PATH=`pwd`/inplace/mingw/bin:$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
421 if ! test -e inplace/mingw/bin/gcc.exe
423 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
425 AC_MSG_NOTICE([In-tree mingw tree created])
427 if ! test -d inplace/perl ||
428 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
430 AC_MSG_NOTICE([Making in-tree perl tree])
436 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
438 AC_MSG_NOTICE([In-tree perl tree created])
442 dnl ** Which gcc to use?
443 dnl --------------------------------------------------------------
444 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
446 WhatGccIsCalled="$CC"
447 AC_SUBST(WhatGccIsCalled)
449 dnl ** Which ld to use?
450 dnl --------------------------------------------------------------
451 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
455 dnl ** Which nm to use?
456 dnl --------------------------------------------------------------
457 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
461 dnl ** Mac OS X: explicit deployment target
462 dnl --------------------------------------------------------------
463 AC_ARG_WITH([macosx-deployment-target],
464 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
465 [Build for Mac OS VERSION and higher (default= version of build host)])],
466 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
467 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
468 # ignore everywhere, but on Mac OS
469 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
470 FP_MACOSX_DEPLOYMENT_TARGET=none
472 [FP_MACOSX_DEPLOYMENT_TARGET=none]
474 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
475 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
476 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
478 dnl --------------------------------------------------------------
479 dnl End of configure script option section
480 dnl --------------------------------------------------------------
483 dnl --------------------------------------------------------------
484 dnl * General configuration checks
485 dnl --------------------------------------------------------------
487 dnl ** Can the unix package be built?
488 dnl --------------------------------------------------------------
490 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
495 AC_SUBST([GhcLibsWithUnix])
500 dnl ** look for `perl'
503 PerlCmd=$hardtop/inplace/perl/perl
506 AC_PATH_PROG(PerlCmd,perl)
507 if test -z "$PerlCmd"
509 echo "You must install perl before you can continue"
510 echo "Perhaps it is already installed, but not in your PATH?"
513 FPTOOLS_CHECK_PERL_VERSION
518 dnl ** does #! path/to/perl work? (sometimes it's too long...)
521 dnl ** check for Python
522 AC_PATH_PROG(PythonCmd,python)
524 dnl ** look for GCC and find out which version
525 dnl Figure out which C compiler to use. Gcc is preferred.
526 dnl If gcc, make sure it's at least 2.1
530 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[CPPFLAGS])
531 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
532 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
533 # Stage 3 won't be supported by cross-compilation
534 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
538 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
541 AC_SUBST(CONF_CC_OPTS_STAGE0)
542 AC_SUBST(CONF_CC_OPTS_STAGE1)
543 AC_SUBST(CONF_CC_OPTS_STAGE2)
544 AC_SUBST(CONF_LD_OPTS_STAGE0)
545 AC_SUBST(CONF_LD_OPTS_STAGE1)
546 AC_SUBST(CONF_LD_OPTS_STAGE2)
547 AC_SUBST(CONF_CPP_OPTS_STAGE0)
548 AC_SUBST(CONF_CPP_OPTS_STAGE1)
549 AC_SUBST(CONF_CPP_OPTS_STAGE2)
551 dnl ** figure out how to do context diffs
554 dnl Let's make sure install-sh is executable here. If we got it from
555 dnl a darcs repo, it might not be (see bug #978).
557 dnl ** figure out how to do a BSD-ish install
560 dnl If you can run configure, you certainly have /bin/sh
561 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
563 dnl ** how to invoke `ar' and `ranlib'
564 FP_PROG_AR_SUPPORTS_ATFILE
565 FP_PROG_AR_NEEDS_RANLIB
566 FP_PROG_AR_SUPPORTS_INPUT
568 dnl ** Check to see whether ln -s works
572 dnl ** Find the path to sed
573 AC_PATH_PROGS(SedCmd,gsed sed,sed)
576 dnl ** check for time command
577 AC_PATH_PROG(TimeCmd,time)
580 dnl if GNU tar is named gtar, look for it first.
581 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
583 dnl ** check for patch
584 dnl if GNU patch is named gpatch, look for it first
585 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
587 dnl ** check for dtrace (currently only implemented for Mac OS X)
589 AC_PATH_PROG(DtraceCmd,dtrace)
590 if test -n "$DtraceCmd"; then
591 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
597 AC_PATH_PROG(HSCOLOUR,HsColour)
598 # HsColour is passed to Cabal, so we need a native path
599 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
600 test "${OSTYPE}" != "msys" && \
601 test "${HSCOLOUR}" != ""
603 # Canonicalise to <drive>:/path/to/gcc
604 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
607 dnl ** check for DocBook toolchain
614 dnl ** check for ghc-pkg command
617 dnl ** check for installed happy binary + version
618 dnl (don't do it if we're booting from .hc files though.)
619 if test "$BootingFromHc" = "NO"; then
623 dnl ** check for installed alex binary + version
624 dnl (don't do it if we're booting from .hc files though.)
625 if test "$BootingFromHc" = "NO"; then
629 dnl --------------------------------------------------
630 dnl ### program checking section ends here ###
631 dnl --------------------------------------------------
633 dnl --------------------------------------------------
634 dnl * Platform header file and syscall feature tests
635 dnl ### checking the state of the local header files and syscalls ###
637 dnl ** check for full ANSI header (.h) files
640 dnl ** Enable large file support. NB. do this before testing the type of
641 dnl off_t, because it will affect the result of that test.
644 dnl ** check for specific header (.h) files that we are interested in
645 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
647 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
650 dnl ** do we have long longs?
651 AC_CHECK_TYPES([long long])
653 dnl ** what are the sizes of various types
654 AC_CHECK_SIZEOF(char, 1)
655 AC_CHECK_SIZEOF(double, 8)
656 AC_CHECK_SIZEOF(float, 4)
657 AC_CHECK_SIZEOF(int, 4)
658 AC_CHECK_SIZEOF(long, 4)
659 if test "$ac_cv_type_long_long" = yes; then
660 AC_CHECK_SIZEOF(long long, 8)
662 AC_CHECK_SIZEOF(short, 2)
663 AC_CHECK_SIZEOF(unsigned char, 1)
664 AC_CHECK_SIZEOF(unsigned int, 4)
665 AC_CHECK_SIZEOF(unsigned long, 4)
666 if test "$ac_cv_type_long_long" = yes; then
667 AC_CHECK_SIZEOF(unsigned long long, 8)
669 AC_CHECK_SIZEOF(unsigned short, 2)
670 AC_CHECK_SIZEOF(void *, 4)
672 dnl ** what are alignment constraints on various types
673 FP_CHECK_ALIGNMENT(char)
674 FP_CHECK_ALIGNMENT(double)
675 FP_CHECK_ALIGNMENT(float)
676 FP_CHECK_ALIGNMENT(int)
677 FP_CHECK_ALIGNMENT(long)
678 if test "$ac_cv_type_long_long" = yes; then
679 FP_CHECK_ALIGNMENT(long long)
681 FP_CHECK_ALIGNMENT(short)
682 FP_CHECK_ALIGNMENT(unsigned char)
683 FP_CHECK_ALIGNMENT(unsigned int)
684 FP_CHECK_ALIGNMENT(unsigned long)
685 if test "$ac_cv_type_long_long" = yes; then
686 FP_CHECK_ALIGNMENT(unsigned long long)
688 FP_CHECK_ALIGNMENT(unsigned short)
689 FP_CHECK_ALIGNMENT(void *)
691 FP_CHECK_FUNC([WinExec],
692 [@%:@include <windows.h>], [WinExec("",0)])
694 FP_CHECK_FUNC([GetModuleFileName],
695 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
697 dnl ** check return type of signal handlers
698 dnl Foo: assumes we can use prototypes.
699 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
700 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
701 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
702 dnl #include <signal.h>
706 dnl void (*signal (int, void (*)(int)))(int);
709 dnl [ac_cv_type_signal_handler=void_int],
710 dnl [ac_cv_type_signal_handler=int_void])])
711 dnl if test "$ac_cv_type_signal_handler" = void_int; then
712 dnl AC_DEFINE(VOID_INT_SIGNALS)
715 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
717 if test "$ac_cv_type_signal" = void; then
718 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).])
721 dnl ** check for more functions
722 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
723 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
726 #include <sys/types.h>
727 #include <sys/time.h>
729 struct itimerval tval;
730 tval.it_value.tv_sec = 1;
731 tval.it_value.tv_usec = 0;
732 tval.it_interval = tval.it_value;
733 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
735 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
737 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
738 dnl ** _POSIX_C_SOURCE is defined
739 AC_CHECK_DECLS([ctime_r], , ,
740 [#define _POSIX_SOURCE 1
741 #define _POSIX_C_SOURCE 199506L
744 dnl ** check for mingwex library
745 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
746 AC_SUBST(HaveLibMingwEx)
748 if test $HaveLibMingwEx = YES ; then
749 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
752 dnl ** check for math library
753 dnl Keep that check as early as possible.
754 dnl as we need to know whether we need libm
755 dnl for math functions or not
756 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
757 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
758 if test $HaveLibM = YES
760 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
763 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
764 dnl the order of these tests matters: bfd needs liberty
765 AC_CHECK_LIB(iberty, xmalloc)
766 AC_CHECK_LIB(bfd, bfd_init)
768 dnl ################################################################
769 dnl Check for libraries
770 dnl ################################################################
772 dnl ** check whether we need -ldl to get dlopen()
774 AC_CHECK_LIB(dl, dlopen,
776 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
781 dnl --------------------------------------------------
782 dnl * Miscellaneous feature tests
783 dnl --------------------------------------------------
785 dnl ** can we get alloca?
788 dnl ** Working vfork?
791 dnl ** determine whether or not const works
794 dnl ** are we big endian?
796 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
798 dnl ** check for leading underscores in symbol names
799 FP_LEADING_UNDERSCORE
801 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
805 dnl ** check for Apple-style dead-stripping support
806 dnl (.subsections-via-symbols assembler directive)
809 AC_MSG_CHECKING(for .subsections_via_symbols)
811 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
813 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
814 [Define to 1 if Apple-style dead-stripping is supported.])
818 dnl *** check for GNU non-executable stack note support (ELF only)
819 dnl (.section .note.GNU-stack,"",@progbits)
821 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
822 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
823 dnl so we empty CFLAGS while running this test
826 AC_MSG_CHECKING(for GNU non-executable stack support)
828 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
830 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
831 [Define to 1 if GNU non-executable stack notes are supported.])
838 dnl ** check for librt
839 AC_CHECK_LIB(rt, clock_gettime)
840 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
841 FP_CHECK_TIMER_CREATE
843 dnl ** check for Apple's "interesting" long double compatibility scheme
844 AC_MSG_CHECKING(for printf\$LDBLStub)
845 AC_TRY_LINK_FUNC(printf\$LDBLStub,
848 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
849 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
853 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
854 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
857 dnl ** check for eventfd which is needed by the I/O manager
858 AC_CHECK_HEADERS([sys/eventfd.h])
859 AC_CHECK_FUNCS([eventfd])
862 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
863 if test -n "$GTK_CONFIG"; then
864 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
865 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
867 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
871 AC_SUBST([GTK_CONFIG])
874 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
875 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
876 AC_SUBST(HavePapiLib)
877 AC_SUBST(HavePapiHeader)
879 AC_CHECK_FUNCS(__mingw_vfprintf)
881 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
888 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
889 test "$XsltprocCmd" = ""
891 BUILD_DOCBOOK_HTML=NO
893 BUILD_DOCBOOK_HTML=YES
895 AC_SUBST(BUILD_DOCBOOK_HTML)
897 if test "$DblatexCmd" = ""
903 BUILD_DOCBOOK_PDF=YES
905 AC_SUBST(BUILD_DOCBOOK_PS)
906 AC_SUBST(BUILD_DOCBOOK_PDF)
908 LIBRARY_VERSION(base)
909 LIBRARY_VERSION(Cabal)
910 LIBRARY_VERSION(ghc-prim)
911 LIBRARY_ghc_VERSION="$ProjectVersion"
912 AC_SUBST(LIBRARY_ghc_VERSION)
914 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
915 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
918 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])
919 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
923 # http://savannah.gnu.org/bugs/index.php?1516
924 # $(eval ...) inside conditionals causes errors
925 # with make 3.80, so warn the user if it looks like they're about to
927 # We would use "grep -q" here, but Solaris's grep doesn't support it.
929 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
932 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
933 echo "This version cannot be used to build GHC."
934 echo "Please use GNU make >= 3.81."
942 ----------------------------------------------------------------------
943 Configure completed successfully.
945 Building GHC version : $ProjectVersion
947 Build platform : $BuildPlatform
948 Host platform : $HostPlatform
949 Target platform : $TargetPlatform
952 if test "$BootingFromHc" = "YES"; then
954 Bootstrapping from HC files.
958 Bootstrapping using : $WithGhc
959 which is version : $GhcVersion
964 Using GCC : $WhatGccIsCalled
965 which is version : $GccVersion
968 Happy : $HappyCmd ($HappyVersion)
969 Alex : $AlexCmd ($AlexVersion)
972 dblatex : $DblatexCmd
973 xsltproc : $XsltprocCmd"]
975 if test "$HSCOLOUR" = ""; then
977 HsColour was not found; documentation will not contain source links
986 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
987 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
988 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
990 echo ["----------------------------------------------------------------------
994 For a standard build of GHC (fully optimised with profiling), type (g)make.
996 To make changes to the default build configuration, copy the file
997 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
999 For more information on how to configure your GHC build, see
1000 http://hackage.haskell.org/trac/ghc/wiki/Building