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="$hardtop/inplace/mingw/bin/ar.exe"
392 if ! test -d inplace/mingw ||
393 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
394 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
395 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
396 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
397 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
398 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
399 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
400 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
401 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
402 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
404 AC_MSG_NOTICE([Making in-tree mingw tree])
409 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
410 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
411 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
412 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
413 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
414 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
415 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
416 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
417 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
418 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
419 mv bin/gcc.exe bin/realgcc.exe
421 PATH=`pwd`/inplace/mingw/bin:$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
422 if ! test -e inplace/mingw/bin/gcc.exe
424 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
426 AC_MSG_NOTICE([In-tree mingw tree created])
428 if ! test -d inplace/perl ||
429 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
431 AC_MSG_NOTICE([Making in-tree perl tree])
437 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
439 AC_MSG_NOTICE([In-tree perl tree created])
443 dnl ** Which gcc to use?
444 dnl --------------------------------------------------------------
445 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
447 WhatGccIsCalled="$CC"
448 AC_SUBST(WhatGccIsCalled)
450 dnl ** Which ld to use?
451 dnl --------------------------------------------------------------
452 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
456 dnl ** Which nm to use?
457 dnl --------------------------------------------------------------
458 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
462 dnl ** Mac OS X: explicit deployment target
463 dnl --------------------------------------------------------------
464 AC_ARG_WITH([macosx-deployment-target],
465 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
466 [Build for Mac OS VERSION and higher (default= version of build host)])],
467 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
468 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
469 # ignore everywhere, but on Mac OS
470 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
471 FP_MACOSX_DEPLOYMENT_TARGET=none
473 [FP_MACOSX_DEPLOYMENT_TARGET=none]
475 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
476 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
477 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
479 dnl --------------------------------------------------------------
480 dnl End of configure script option section
481 dnl --------------------------------------------------------------
484 dnl --------------------------------------------------------------
485 dnl * General configuration checks
486 dnl --------------------------------------------------------------
488 dnl ** Can the unix package be built?
489 dnl --------------------------------------------------------------
491 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
496 AC_SUBST([GhcLibsWithUnix])
501 dnl ** look for `perl'
504 PerlCmd=$hardtop/inplace/perl/perl
507 AC_PATH_PROG(PerlCmd,perl)
508 if test -z "$PerlCmd"
510 echo "You must install perl before you can continue"
511 echo "Perhaps it is already installed, but not in your PATH?"
514 FPTOOLS_CHECK_PERL_VERSION
519 dnl ** does #! path/to/perl work? (sometimes it's too long...)
522 dnl ** check for Python
523 AC_PATH_PROG(PythonCmd,python)
525 dnl ** look for GCC and find out which version
526 dnl Figure out which C compiler to use. Gcc is preferred.
527 dnl If gcc, make sure it's at least 2.1
531 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[CPPFLAGS])
532 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
533 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
534 # Stage 3 won't be supported by cross-compilation
535 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
539 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
542 AC_SUBST(CONF_CC_OPTS_STAGE0)
543 AC_SUBST(CONF_CC_OPTS_STAGE1)
544 AC_SUBST(CONF_CC_OPTS_STAGE2)
545 AC_SUBST(CONF_LD_OPTS_STAGE0)
546 AC_SUBST(CONF_LD_OPTS_STAGE1)
547 AC_SUBST(CONF_LD_OPTS_STAGE2)
548 AC_SUBST(CONF_CPP_OPTS_STAGE0)
549 AC_SUBST(CONF_CPP_OPTS_STAGE1)
550 AC_SUBST(CONF_CPP_OPTS_STAGE2)
552 dnl ** figure out how to do context diffs
555 dnl Let's make sure install-sh is executable here. If we got it from
556 dnl a darcs repo, it might not be (see bug #978).
558 dnl ** figure out how to do a BSD-ish install
561 dnl If you can run configure, you certainly have /bin/sh
562 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
564 dnl ** how to invoke `ar' and `ranlib'
565 FP_PROG_AR_SUPPORTS_ATFILE
566 FP_PROG_AR_NEEDS_RANLIB
567 FP_PROG_AR_SUPPORTS_INPUT
569 dnl ** Check to see whether ln -s works
573 dnl ** Find the path to sed
574 AC_PATH_PROGS(SedCmd,gsed sed,sed)
577 dnl ** check for time command
578 AC_PATH_PROG(TimeCmd,time)
581 dnl if GNU tar is named gtar, look for it first.
582 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
584 dnl ** check for patch
585 dnl if GNU patch is named gpatch, look for it first
586 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
588 dnl ** check for dtrace (currently only implemented for Mac OS X)
590 AC_PATH_PROG(DtraceCmd,dtrace)
591 if test -n "$DtraceCmd"; then
592 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
598 AC_PATH_PROG(HSCOLOUR,HsColour)
599 # HsColour is passed to Cabal, so we need a native path
600 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
601 test "${OSTYPE}" != "msys" && \
602 test "${HSCOLOUR}" != ""
604 # Canonicalise to <drive>:/path/to/gcc
605 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
608 dnl ** check for DocBook toolchain
615 dnl ** check for ghc-pkg command
618 dnl ** check for installed happy binary + version
619 dnl (don't do it if we're booting from .hc files though.)
620 if test "$BootingFromHc" = "NO"; then
624 dnl ** check for installed alex binary + version
625 dnl (don't do it if we're booting from .hc files though.)
626 if test "$BootingFromHc" = "NO"; then
630 dnl --------------------------------------------------
631 dnl ### program checking section ends here ###
632 dnl --------------------------------------------------
634 dnl --------------------------------------------------
635 dnl * Platform header file and syscall feature tests
636 dnl ### checking the state of the local header files and syscalls ###
638 dnl ** check for full ANSI header (.h) files
641 dnl ** Enable large file support. NB. do this before testing the type of
642 dnl off_t, because it will affect the result of that test.
645 dnl ** check for specific header (.h) files that we are interested in
646 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
648 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
651 dnl ** do we have long longs?
652 AC_CHECK_TYPES([long long])
654 dnl ** what are the sizes of various types
655 AC_CHECK_SIZEOF(char, 1)
656 AC_CHECK_SIZEOF(double, 8)
657 AC_CHECK_SIZEOF(float, 4)
658 AC_CHECK_SIZEOF(int, 4)
659 AC_CHECK_SIZEOF(long, 4)
660 if test "$ac_cv_type_long_long" = yes; then
661 AC_CHECK_SIZEOF(long long, 8)
663 AC_CHECK_SIZEOF(short, 2)
664 AC_CHECK_SIZEOF(unsigned char, 1)
665 AC_CHECK_SIZEOF(unsigned int, 4)
666 AC_CHECK_SIZEOF(unsigned long, 4)
667 if test "$ac_cv_type_long_long" = yes; then
668 AC_CHECK_SIZEOF(unsigned long long, 8)
670 AC_CHECK_SIZEOF(unsigned short, 2)
671 AC_CHECK_SIZEOF(void *, 4)
673 dnl ** what are alignment constraints on various types
674 FP_CHECK_ALIGNMENT(char)
675 FP_CHECK_ALIGNMENT(double)
676 FP_CHECK_ALIGNMENT(float)
677 FP_CHECK_ALIGNMENT(int)
678 FP_CHECK_ALIGNMENT(long)
679 if test "$ac_cv_type_long_long" = yes; then
680 FP_CHECK_ALIGNMENT(long long)
682 FP_CHECK_ALIGNMENT(short)
683 FP_CHECK_ALIGNMENT(unsigned char)
684 FP_CHECK_ALIGNMENT(unsigned int)
685 FP_CHECK_ALIGNMENT(unsigned long)
686 if test "$ac_cv_type_long_long" = yes; then
687 FP_CHECK_ALIGNMENT(unsigned long long)
689 FP_CHECK_ALIGNMENT(unsigned short)
690 FP_CHECK_ALIGNMENT(void *)
692 FP_CHECK_FUNC([WinExec],
693 [@%:@include <windows.h>], [WinExec("",0)])
695 FP_CHECK_FUNC([GetModuleFileName],
696 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
698 dnl ** check return type of signal handlers
699 dnl Foo: assumes we can use prototypes.
700 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
701 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
702 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
703 dnl #include <signal.h>
707 dnl void (*signal (int, void (*)(int)))(int);
710 dnl [ac_cv_type_signal_handler=void_int],
711 dnl [ac_cv_type_signal_handler=int_void])])
712 dnl if test "$ac_cv_type_signal_handler" = void_int; then
713 dnl AC_DEFINE(VOID_INT_SIGNALS)
716 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
718 if test "$ac_cv_type_signal" = void; then
719 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).])
722 dnl ** check for more functions
723 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
724 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
727 #include <sys/types.h>
728 #include <sys/time.h>
730 struct itimerval tval;
731 tval.it_value.tv_sec = 1;
732 tval.it_value.tv_usec = 0;
733 tval.it_interval = tval.it_value;
734 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
736 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
738 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
739 dnl ** _POSIX_C_SOURCE is defined
740 AC_CHECK_DECLS([ctime_r], , ,
741 [#define _POSIX_SOURCE 1
742 #define _POSIX_C_SOURCE 199506L
745 dnl ** check for mingwex library
746 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
747 AC_SUBST(HaveLibMingwEx)
749 if test $HaveLibMingwEx = YES ; then
750 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
753 dnl ** check for math library
754 dnl Keep that check as early as possible.
755 dnl as we need to know whether we need libm
756 dnl for math functions or not
757 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
758 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
759 if test $HaveLibM = YES
761 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
764 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
765 dnl the order of these tests matters: bfd needs liberty
766 AC_CHECK_LIB(iberty, xmalloc)
767 AC_CHECK_LIB(bfd, bfd_init)
769 dnl ################################################################
770 dnl Check for libraries
771 dnl ################################################################
773 dnl ** check whether we need -ldl to get dlopen()
775 AC_CHECK_LIB(dl, dlopen,
777 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
782 dnl --------------------------------------------------
783 dnl * Miscellaneous feature tests
784 dnl --------------------------------------------------
786 dnl ** can we get alloca?
789 dnl ** Working vfork?
792 dnl ** determine whether or not const works
795 dnl ** are we big endian?
797 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
799 dnl ** check for leading underscores in symbol names
800 FP_LEADING_UNDERSCORE
802 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
806 dnl ** check for Apple-style dead-stripping support
807 dnl (.subsections-via-symbols assembler directive)
810 AC_MSG_CHECKING(for .subsections_via_symbols)
812 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
814 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
815 [Define to 1 if Apple-style dead-stripping is supported.])
819 dnl *** check for GNU non-executable stack note support (ELF only)
820 dnl (.section .note.GNU-stack,"",@progbits)
822 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
823 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
824 dnl so we empty CFLAGS while running this test
827 AC_MSG_CHECKING(for GNU non-executable stack support)
829 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
831 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
832 [Define to 1 if GNU non-executable stack notes are supported.])
839 dnl ** check for librt
840 AC_CHECK_LIB(rt, clock_gettime)
841 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
842 FP_CHECK_TIMER_CREATE
844 dnl ** check for Apple's "interesting" long double compatibility scheme
845 AC_MSG_CHECKING(for printf\$LDBLStub)
846 AC_TRY_LINK_FUNC(printf\$LDBLStub,
849 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
850 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
854 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
855 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
858 dnl ** check for eventfd which is needed by the I/O manager
859 AC_CHECK_HEADERS([sys/eventfd.h])
860 AC_CHECK_FUNCS([eventfd])
863 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
864 if test -n "$GTK_CONFIG"; then
865 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
866 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
868 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
872 AC_SUBST([GTK_CONFIG])
875 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
876 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
877 AC_SUBST(HavePapiLib)
878 AC_SUBST(HavePapiHeader)
880 AC_CHECK_FUNCS(__mingw_vfprintf)
882 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
889 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
890 test "$XsltprocCmd" = ""
892 BUILD_DOCBOOK_HTML=NO
894 BUILD_DOCBOOK_HTML=YES
896 AC_SUBST(BUILD_DOCBOOK_HTML)
898 if test "$DblatexCmd" = ""
904 BUILD_DOCBOOK_PDF=YES
906 AC_SUBST(BUILD_DOCBOOK_PS)
907 AC_SUBST(BUILD_DOCBOOK_PDF)
909 LIBRARY_VERSION(base)
910 LIBRARY_VERSION(Cabal)
911 LIBRARY_VERSION(ghc-prim)
912 LIBRARY_ghc_VERSION="$ProjectVersion"
913 AC_SUBST(LIBRARY_ghc_VERSION)
915 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
916 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
919 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])
920 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
924 # http://savannah.gnu.org/bugs/index.php?1516
925 # $(eval ...) inside conditionals causes errors
926 # with make 3.80, so warn the user if it looks like they're about to
928 # We would use "grep -q" here, but Solaris's grep doesn't support it.
930 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
933 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
934 echo "This version cannot be used to build GHC."
935 echo "Please use GNU make >= 3.81."
943 ----------------------------------------------------------------------
944 Configure completed successfully.
946 Building GHC version : $ProjectVersion
948 Build platform : $BuildPlatform
949 Host platform : $HostPlatform
950 Target platform : $TargetPlatform
953 if test "$BootingFromHc" = "YES"; then
955 Bootstrapping from HC files.
959 Bootstrapping using : $WithGhc
960 which is version : $GhcVersion
965 Using GCC : $WhatGccIsCalled
966 which is version : $GccVersion
969 Happy : $HappyCmd ($HappyVersion)
970 Alex : $AlexCmd ($AlexVersion)
973 dblatex : $DblatexCmd
974 xsltproc : $XsltprocCmd"]
976 if test "$HSCOLOUR" = ""; then
978 HsColour was not found; documentation will not contain source links
987 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
988 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
989 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
991 echo ["----------------------------------------------------------------------
995 For a standard build of GHC (fully optimised with profiling), type (g)make.
997 To make changes to the default build configuration, copy the file
998 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1000 For more information on how to configure your GHC build, see
1001 http://hackage.haskell.org/trac/ghc/wiki/Building