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)
285 # Sync this with cTargetArch in compiler/ghc.mk
288 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
291 echo "Unknown arch $1"
299 dec|unknown|hp|apple|next|sun|sgi|ibm)
302 echo "Unknown vendor $1"
310 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
313 echo "Unknown OS '$1'"
319 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
320 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
321 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
322 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
323 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
325 checkArch "$BuildArch"
326 checkVendor "$BuildVendor"
329 HostPlatform="$HostArch-$HostVendor-$HostOS"
330 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
331 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
332 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
333 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
335 checkArch "$HostArch"
336 checkVendor "$HostVendor"
339 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
340 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
341 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
342 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
343 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
345 checkArch "$TargetArch"
346 checkVendor "$TargetVendor"
349 AC_SUBST(BuildPlatform)
350 AC_SUBST(HostPlatform)
351 AC_SUBST(TargetPlatform)
352 AC_SUBST(HostPlatform_CPP)
353 AC_SUBST(BuildPlatform_CPP)
354 AC_SUBST(TargetPlatform_CPP)
356 AC_SUBST(HostArch_CPP)
357 AC_SUBST(BuildArch_CPP)
358 AC_SUBST(TargetArch_CPP)
361 AC_SUBST(BuildOS_CPP)
362 AC_SUBST(TargetOS_CPP)
364 AC_SUBST(HostVendor_CPP)
365 AC_SUBST(BuildVendor_CPP)
366 AC_SUBST(TargetVendor_CPP)
372 [AC_HELP_STRING([--with-hc=ARG],
373 [Use ARG as the path to the compiler for compiling ordinary
374 Haskell code (default= value of --with-ghc)])],
380 # This uses GHC, so put it after the "GHC is required" check above:
384 if test "$HostOS" = "mingw32"
386 test -d inplace || mkdir inplace
388 CC="$hardtop/inplace/mingw/bin/gcc.exe"
389 LD="$hardtop/inplace/mingw/bin/ld.exe"
390 NM="$hardtop/inplace/mingw/bin/nm.exe"
391 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
393 # NB. If you update the tarbballs to a new version of gcc, don't
394 # forget to tweak the paths in driver/gcc/gcc.c.
395 if ! test -d inplace/mingw ||
396 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
397 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
398 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
399 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
400 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
401 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
402 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
403 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
404 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
405 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
407 AC_MSG_NOTICE([Making in-tree mingw tree])
412 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
413 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
414 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
415 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
416 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
417 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
418 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
419 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
420 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
421 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
422 mv bin/gcc.exe bin/realgcc.exe
424 PATH=`pwd`/inplace/mingw/bin:$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
425 if ! test -e inplace/mingw/bin/gcc.exe
427 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
429 AC_MSG_NOTICE([In-tree mingw tree created])
431 if ! test -d inplace/perl ||
432 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
434 AC_MSG_NOTICE([Making in-tree perl tree])
440 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
442 AC_MSG_NOTICE([In-tree perl tree created])
446 dnl ** Which gcc to use?
447 dnl --------------------------------------------------------------
448 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
450 WhatGccIsCalled="$CC"
451 AC_SUBST(WhatGccIsCalled)
453 dnl ** Which ld to use?
454 dnl --------------------------------------------------------------
455 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
459 dnl ** Which nm to use?
460 dnl --------------------------------------------------------------
461 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
465 dnl ** Mac OS X: explicit deployment target
466 dnl --------------------------------------------------------------
467 AC_ARG_WITH([macosx-deployment-target],
468 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
469 [Build for Mac OS VERSION and higher (default= version of build host)])],
470 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
471 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
472 # ignore everywhere, but on Mac OS
473 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
474 FP_MACOSX_DEPLOYMENT_TARGET=none
476 [FP_MACOSX_DEPLOYMENT_TARGET=none]
478 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
479 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
480 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
482 dnl --------------------------------------------------------------
483 dnl End of configure script option section
484 dnl --------------------------------------------------------------
487 dnl --------------------------------------------------------------
488 dnl * General configuration checks
489 dnl --------------------------------------------------------------
491 dnl ** Can the unix package be built?
492 dnl --------------------------------------------------------------
494 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
499 AC_SUBST([GhcLibsWithUnix])
504 dnl ** look for `perl'
507 PerlCmd=$hardtop/inplace/perl/perl
510 AC_PATH_PROG(PerlCmd,perl)
511 if test -z "$PerlCmd"
513 echo "You must install perl before you can continue"
514 echo "Perhaps it is already installed, but not in your PATH?"
517 FPTOOLS_CHECK_PERL_VERSION
522 dnl ** does #! path/to/perl work? (sometimes it's too long...)
525 dnl ** check for Python
526 AC_PATH_PROG(PythonCmd,python)
528 dnl ** look for GCC and find out which version
529 dnl Figure out which C compiler to use. Gcc is preferred.
530 dnl If gcc, make sure it's at least 2.1
534 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[CPPFLAGS])
535 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
536 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
537 # Stage 3 won't be supported by cross-compilation
538 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
542 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
545 AC_SUBST(CONF_CC_OPTS_STAGE0)
546 AC_SUBST(CONF_CC_OPTS_STAGE1)
547 AC_SUBST(CONF_CC_OPTS_STAGE2)
548 AC_SUBST(CONF_LD_OPTS_STAGE0)
549 AC_SUBST(CONF_LD_OPTS_STAGE1)
550 AC_SUBST(CONF_LD_OPTS_STAGE2)
551 AC_SUBST(CONF_CPP_OPTS_STAGE0)
552 AC_SUBST(CONF_CPP_OPTS_STAGE1)
553 AC_SUBST(CONF_CPP_OPTS_STAGE2)
555 dnl ** figure out how to do context diffs
558 dnl Let's make sure install-sh is executable here. If we got it from
559 dnl a darcs repo, it might not be (see bug #978).
561 dnl ** figure out how to do a BSD-ish install
564 dnl If you can run configure, you certainly have /bin/sh
565 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
567 dnl ** how to invoke `ar' and `ranlib'
568 FP_PROG_AR_SUPPORTS_ATFILE
569 FP_PROG_AR_NEEDS_RANLIB
570 FP_PROG_AR_SUPPORTS_INPUT
572 dnl ** Check to see whether ln -s works
576 dnl ** Find the path to sed
577 AC_PATH_PROGS(SedCmd,gsed sed,sed)
580 dnl ** check for time command
581 AC_PATH_PROG(TimeCmd,time)
584 dnl if GNU tar is named gtar, look for it first.
585 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
587 dnl ** check for patch
588 dnl if GNU patch is named gpatch, look for it first
589 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
591 dnl ** check for dtrace (currently only implemented for Mac OS X)
593 AC_PATH_PROG(DtraceCmd,dtrace)
594 if test -n "$DtraceCmd"; then
595 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
601 AC_PATH_PROG(HSCOLOUR,HsColour)
602 # HsColour is passed to Cabal, so we need a native path
603 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
604 test "${OSTYPE}" != "msys" && \
605 test "${HSCOLOUR}" != ""
607 # Canonicalise to <drive>:/path/to/gcc
608 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
611 dnl ** check for DocBook toolchain
618 dnl ** check for ghc-pkg command
621 dnl ** check for installed happy binary + version
622 dnl (don't do it if we're booting from .hc files though.)
623 if test "$BootingFromHc" = "NO"; then
627 dnl ** check for installed alex binary + version
628 dnl (don't do it if we're booting from .hc files though.)
629 if test "$BootingFromHc" = "NO"; then
633 dnl --------------------------------------------------
634 dnl ### program checking section ends here ###
635 dnl --------------------------------------------------
637 dnl --------------------------------------------------
638 dnl * Platform header file and syscall feature tests
639 dnl ### checking the state of the local header files and syscalls ###
641 dnl ** check for full ANSI header (.h) files
644 dnl ** Enable large file support. NB. do this before testing the type of
645 dnl off_t, because it will affect the result of that test.
648 dnl ** check for specific header (.h) files that we are interested in
649 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
651 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
654 dnl ** do we have long longs?
655 AC_CHECK_TYPES([long long])
657 dnl ** what are the sizes of various types
658 AC_CHECK_SIZEOF(char, 1)
659 AC_CHECK_SIZEOF(double, 8)
660 AC_CHECK_SIZEOF(float, 4)
661 AC_CHECK_SIZEOF(int, 4)
662 AC_CHECK_SIZEOF(long, 4)
663 if test "$ac_cv_type_long_long" = yes; then
664 AC_CHECK_SIZEOF(long long, 8)
666 AC_CHECK_SIZEOF(short, 2)
667 AC_CHECK_SIZEOF(unsigned char, 1)
668 AC_CHECK_SIZEOF(unsigned int, 4)
669 AC_CHECK_SIZEOF(unsigned long, 4)
670 if test "$ac_cv_type_long_long" = yes; then
671 AC_CHECK_SIZEOF(unsigned long long, 8)
673 AC_CHECK_SIZEOF(unsigned short, 2)
674 AC_CHECK_SIZEOF(void *, 4)
676 dnl ** what are alignment constraints on various types
677 FP_CHECK_ALIGNMENT(char)
678 FP_CHECK_ALIGNMENT(double)
679 FP_CHECK_ALIGNMENT(float)
680 FP_CHECK_ALIGNMENT(int)
681 FP_CHECK_ALIGNMENT(long)
682 if test "$ac_cv_type_long_long" = yes; then
683 FP_CHECK_ALIGNMENT(long long)
685 FP_CHECK_ALIGNMENT(short)
686 FP_CHECK_ALIGNMENT(unsigned char)
687 FP_CHECK_ALIGNMENT(unsigned int)
688 FP_CHECK_ALIGNMENT(unsigned long)
689 if test "$ac_cv_type_long_long" = yes; then
690 FP_CHECK_ALIGNMENT(unsigned long long)
692 FP_CHECK_ALIGNMENT(unsigned short)
693 FP_CHECK_ALIGNMENT(void *)
695 FP_CHECK_FUNC([WinExec],
696 [@%:@include <windows.h>], [WinExec("",0)])
698 FP_CHECK_FUNC([GetModuleFileName],
699 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
701 dnl ** check return type of signal handlers
702 dnl Foo: assumes we can use prototypes.
703 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
704 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
705 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
706 dnl #include <signal.h>
710 dnl void (*signal (int, void (*)(int)))(int);
713 dnl [ac_cv_type_signal_handler=void_int],
714 dnl [ac_cv_type_signal_handler=int_void])])
715 dnl if test "$ac_cv_type_signal_handler" = void_int; then
716 dnl AC_DEFINE(VOID_INT_SIGNALS)
719 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
721 if test "$ac_cv_type_signal" = void; then
722 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).])
725 dnl ** check for more functions
726 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
727 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
730 #include <sys/types.h>
731 #include <sys/time.h>
733 struct itimerval tval;
734 tval.it_value.tv_sec = 1;
735 tval.it_value.tv_usec = 0;
736 tval.it_interval = tval.it_value;
737 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
739 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
741 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
742 dnl ** _POSIX_C_SOURCE is defined
743 AC_CHECK_DECLS([ctime_r], , ,
744 [#define _POSIX_SOURCE 1
745 #define _POSIX_C_SOURCE 199506L
748 dnl ** check for mingwex library
749 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
750 AC_SUBST(HaveLibMingwEx)
752 if test $HaveLibMingwEx = YES ; then
753 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
756 dnl ** check for math library
757 dnl Keep that check as early as possible.
758 dnl as we need to know whether we need libm
759 dnl for math functions or not
760 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
761 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
762 if test $HaveLibM = YES
764 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
767 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
768 dnl the order of these tests matters: bfd needs liberty
769 AC_CHECK_LIB(iberty, xmalloc)
770 AC_CHECK_LIB(bfd, bfd_init)
772 dnl ################################################################
773 dnl Check for libraries
774 dnl ################################################################
776 dnl ** check whether we need -ldl to get dlopen()
778 AC_CHECK_LIB(dl, dlopen,
780 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
785 dnl --------------------------------------------------
786 dnl * Miscellaneous feature tests
787 dnl --------------------------------------------------
789 dnl ** can we get alloca?
792 dnl ** Working vfork?
795 dnl ** determine whether or not const works
798 dnl ** are we big endian?
800 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
802 dnl ** check for leading underscores in symbol names
803 FP_LEADING_UNDERSCORE
805 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
809 dnl ** check for Apple-style dead-stripping support
810 dnl (.subsections-via-symbols assembler directive)
813 AC_MSG_CHECKING(for .subsections_via_symbols)
815 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
817 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
818 [Define to 1 if Apple-style dead-stripping is supported.])
822 dnl *** check for GNU non-executable stack note support (ELF only)
823 dnl (.section .note.GNU-stack,"",@progbits)
825 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
826 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
827 dnl so we empty CFLAGS while running this test
830 AC_MSG_CHECKING(for GNU non-executable stack support)
832 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
834 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
835 [Define to 1 if GNU non-executable stack notes are supported.])
842 dnl ** check for librt
843 AC_CHECK_LIB(rt, clock_gettime)
844 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
845 FP_CHECK_TIMER_CREATE
847 dnl ** check for Apple's "interesting" long double compatibility scheme
848 AC_MSG_CHECKING(for printf\$LDBLStub)
849 AC_TRY_LINK_FUNC(printf\$LDBLStub,
852 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
853 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
857 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
858 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
861 dnl ** check for eventfd which is needed by the I/O manager
862 AC_CHECK_HEADERS([sys/eventfd.h])
863 AC_CHECK_FUNCS([eventfd])
866 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
867 if test -n "$GTK_CONFIG"; then
868 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
869 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
871 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
875 AC_SUBST([GTK_CONFIG])
878 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
879 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
880 AC_SUBST(HavePapiLib)
881 AC_SUBST(HavePapiHeader)
883 AC_CHECK_FUNCS(__mingw_vfprintf)
885 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
892 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
893 test "$XsltprocCmd" = ""
895 BUILD_DOCBOOK_HTML=NO
897 BUILD_DOCBOOK_HTML=YES
899 AC_SUBST(BUILD_DOCBOOK_HTML)
901 if test "$DblatexCmd" = ""
907 BUILD_DOCBOOK_PDF=YES
909 AC_SUBST(BUILD_DOCBOOK_PS)
910 AC_SUBST(BUILD_DOCBOOK_PDF)
912 LIBRARY_VERSION(base)
913 LIBRARY_VERSION(Cabal)
914 LIBRARY_VERSION(ghc-prim)
915 LIBRARY_ghc_VERSION="$ProjectVersion"
916 AC_SUBST(LIBRARY_ghc_VERSION)
918 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
919 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
922 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])
923 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
927 # http://savannah.gnu.org/bugs/index.php?1516
928 # $(eval ...) inside conditionals causes errors
929 # with make 3.80, so warn the user if it looks like they're about to
931 # We would use "grep -q" here, but Solaris's grep doesn't support it.
933 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
936 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
937 echo "This version cannot be used to build GHC."
938 echo "Please use GNU make >= 3.81."
946 ----------------------------------------------------------------------
947 Configure completed successfully.
949 Building GHC version : $ProjectVersion
951 Build platform : $BuildPlatform
952 Host platform : $HostPlatform
953 Target platform : $TargetPlatform
956 if test "$BootingFromHc" = "YES"; then
958 Bootstrapping from HC files.
962 Bootstrapping using : $WithGhc
963 which is version : $GhcVersion
968 Using GCC : $WhatGccIsCalled
969 which is version : $GccVersion
972 Happy : $HappyCmd ($HappyVersion)
973 Alex : $AlexCmd ($AlexVersion)
976 dblatex : $DblatexCmd
977 xsltproc : $XsltprocCmd"]
979 if test "$HSCOLOUR" = ""; then
981 HsColour was not found; documentation will not contain source links
990 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
991 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
992 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
994 echo ["----------------------------------------------------------------------
998 For a standard build of GHC (fully optimised with profiling), type (g)make.
1000 To make changes to the default build configuration, copy the file
1001 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1003 For more information on how to configure your GHC build, see
1004 http://hackage.haskell.org/trac/ghc/wiki/Building