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 "$HostOS" = "mingw32"
390 test -d inplace || mkdir inplace
392 CC="$hardtop/inplace/mingw/bin/gcc.exe"
393 LD="$hardtop/inplace/mingw/bin/ld.exe"
394 NM="$hardtop/inplace/mingw/bin/nm.exe"
395 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
396 if ! test -d inplace/mingw ||
397 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
398 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
399 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
400 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
401 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
402 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
403 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
404 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
405 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
407 AC_MSG_NOTICE([Making in-tree mingw tree])
412 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
413 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
414 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
415 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
416 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
417 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
418 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
419 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
420 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
421 mv bin/gcc.exe bin/realgcc.exe
423 PATH=`pwd`/inplace/mingw/bin:$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
424 if ! test -e inplace/mingw/bin/gcc.exe
426 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
428 AC_MSG_NOTICE([In-tree mingw tree created])
430 if ! test -d inplace/perl ||
431 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
433 AC_MSG_NOTICE([Making in-tree perl tree])
439 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
441 AC_MSG_NOTICE([In-tree perl tree created])
445 dnl ** Which gcc to use?
446 dnl --------------------------------------------------------------
447 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
449 WhatGccIsCalled="$CC"
450 AC_SUBST(WhatGccIsCalled)
452 dnl ** Which ld to use?
453 dnl --------------------------------------------------------------
454 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
458 dnl ** Which nm to use?
459 dnl --------------------------------------------------------------
460 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
464 dnl ** Mac OS X: explicit deployment target
465 dnl --------------------------------------------------------------
466 AC_ARG_WITH([macosx-deployment-target],
467 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
468 [Build for Mac OS VERSION and higher (default= version of build host)])],
469 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
470 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
471 # ignore everywhere, but on Mac OS
472 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
473 FP_MACOSX_DEPLOYMENT_TARGET=none
475 [FP_MACOSX_DEPLOYMENT_TARGET=none]
477 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
478 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
479 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
481 dnl --------------------------------------------------------------
482 dnl End of configure script option section
483 dnl --------------------------------------------------------------
486 dnl --------------------------------------------------------------
487 dnl * General configuration checks
488 dnl --------------------------------------------------------------
490 dnl ** Can the unix package be built?
491 dnl --------------------------------------------------------------
493 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
498 AC_SUBST([GhcLibsWithUnix])
503 dnl ** look for `perl'
506 PerlCmd=$hardtop/inplace/perl/perl
509 AC_PATH_PROG(PerlCmd,perl)
510 if test -z "$PerlCmd"
512 echo "You must install perl before you can continue"
513 echo "Perhaps it is already installed, but not in your PATH?"
516 FPTOOLS_CHECK_PERL_VERSION
521 dnl ** does #! path/to/perl work? (sometimes it's too long...)
524 dnl ** check for Python
525 AC_PATH_PROG(PythonCmd,python)
527 dnl ** look for GCC and find out which version
528 dnl Figure out which C compiler to use. Gcc is preferred.
529 dnl If gcc, make sure it's at least 2.1
533 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS])
534 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0])
535 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1])
536 # Stage 3 won't be supported by cross-compilation
537 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2])
541 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
544 AC_SUBST(CONF_CC_OPTS_STAGE0)
545 AC_SUBST(CONF_CC_OPTS_STAGE1)
546 AC_SUBST(CONF_CC_OPTS_STAGE2)
547 AC_SUBST(CONF_LD_OPTS_STAGE0)
548 AC_SUBST(CONF_LD_OPTS_STAGE1)
549 AC_SUBST(CONF_LD_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