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], [6.13], [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 'sh 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 $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
129 FP_COMPARE_VERSIONS($GhcVersion,[-ge],[6.10.2],
130 [ghc_ge_6102=YES], [ghc_ge_6102=NO])
131 if test $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
132 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
133 AC_SUBST(ghc_ge_609)dnl
134 AC_SUBST(ghc_ge_6102)dnl
135 AC_SUBST(ghc_ge_611)dnl
136 AC_SUBST(ghc_ge_613)dnl
139 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
140 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
141 if test "$WithGhc" = ""; then
142 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
144 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.10],
145 [AC_MSG_ERROR([GHC version 6.10 or later is required to compile GHC.])])dnl
147 if test `expr $GhcMinVersion % 2` = "1"; then
148 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
150 $WithGhc is a development snapshot of GHC, version $GhcVersion.
151 Bootstrapping using this version of GHC is not supported, and may not
152 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
153 or --with-ghc to specify a different GHC to use.])
158 # GHC is passed to Cabal, so we need a native path
159 if test "${WithGhc}" != ""
161 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
163 if test "$ghc_host" = "i386-unknown-mingw32"
165 if test "${OSTYPE}" = "msys"
167 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
169 # Canonicalise to <drive>:/path/to/ghc
170 WithGhc=`cygpath -m "${WithGhc}"`
172 echo "GHC path canonicalised to: ${WithGhc}"
177 dnl ** Without optimization some INLINE trickery fails for GHCi
180 dnl Allow to specify iconv options to the toplevel configure script
181 dnl so they can be properly passed to sub-builds.
182 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
183 dnl to the empty string to allow them to be overridden from the
186 AC_ARG_WITH([iconv-includes],
187 [AC_HELP_STRING([--with-iconv-includes],
188 [directory containing iconv.h])],
189 [ICONV_INCLUDE_DIRS=$withval])
191 AC_ARG_WITH([iconv-libraries],
192 [AC_HELP_STRING([--with-iconv-libraries],
193 [directory containing iconv library])],
194 [ICONV_LIB_DIRS=$withval])
196 AC_SUBST(ICONV_INCLUDE_DIRS)
197 AC_SUBST(ICONV_LIB_DIRS)
199 dnl--------------------------------------------------------------------
200 dnl * Choose host(/target/build) platform
201 dnl--------------------------------------------------------------------
202 dnl We don't use the standard autoconf macros for this, but instead
203 dnl ask the bootstrapping compiler what platform it is for
205 dnl Guess host/target/build platform(s) if necessary.
206 m4_divert_once([HELP_CANON],
209 --build=BUILD configure for building on BUILD [guessed]
210 --host=HOST cross-compile to build programs to run on HOST [guessed]
211 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
213 if test "${WithGhc}" != ""
215 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
216 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
217 if test "$bootstrap_host" != "$bootstrap_target"
219 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
223 # We have to run these unconditionally, but we may discard their
224 # results in the following code
229 # If no argument was given for a configuration variable, then discard
230 # the guessed canonical system and use the configuration of the
231 # bootstrapping ghc. If an argument was given, map it from gnu format
234 # For why we do it this way, see: #3637, #1717, #2951
236 if test "$build_alias" = ""
238 if test "${WithGhc}" != ""
240 build=$bootstrap_target
241 echo "Build platform inferred as: $build"
243 echo "Can't work out build platform"
247 BuildArch=`echo "$build" | sed 's/-.*//'`
248 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
249 BuildOS=`echo "$build" | sed 's/.*-//'`
251 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
252 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
253 GHC_CONVERT_OS([$build_os], [BuildOS])
256 if test "$host_alias" = ""
258 if test "${WithGhc}" != ""
260 host=$bootstrap_target
261 echo "Host platform inferred as: $host"
263 echo "Can't work out host platform"
267 HostArch=`echo "$host" | sed 's/-.*//'`
268 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
269 HostOS=`echo "$host" | sed 's/.*-//'`
271 GHC_CONVERT_CPU([$host_cpu], [HostArch])
272 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
273 GHC_CONVERT_OS([$host_os], [HostOS])
276 if test "$target_alias" = ""
278 if test "${WithGhc}" != ""
280 target=$bootstrap_target
281 echo "Target platform inferred as: $target"
283 echo "Can't work out target platform"
287 TargetArch=`echo "$target" | sed 's/-.*//'`
288 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
289 TargetOS=`echo "$target" | sed 's/.*-//'`
291 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
292 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
293 GHC_CONVERT_OS([$target_os], [TargetOS])
300 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
301 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
308 i386-apple-darwin|powerpc-apple-darwin)
310 CFLAGS="$CFLAGS -m32"
311 LDFLAGS="$LDFLAGS -m32"
312 CONF_CC_OPTS="$CONF_CC_OPTS -m32"
313 CONF_LD_OPTS="$CONF_LD_OPTS -m32"
317 CFLAGS="$CFLAGS -m64"
318 LDFLAGS="$LDFLAGS -m64"
319 CONF_CC_OPTS="$CONF_CC_OPTS -m64"
320 CONF_LD_OPTS="$CONF_LD_OPTS -m64"
326 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
329 echo "Unknown arch $1"
337 dec|unknown|hp|apple|next|sun|sgi|ibm)
340 echo "Unknown vendor $1"
348 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
351 echo "Unknown OS '$1'"
357 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
358 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
359 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
360 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
361 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
363 checkArch "$BuildArch"
364 checkVendor "$BuildVendor"
367 HostPlatform="$HostArch-$HostVendor-$HostOS"
368 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
370 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
371 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
373 checkArch "$HostArch"
374 checkVendor "$HostVendor"
377 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
378 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
379 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
380 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
381 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
383 checkArch "$TargetArch"
384 checkVendor "$TargetVendor"
387 AC_SUBST(BuildPlatform)
388 AC_SUBST(HostPlatform)
389 AC_SUBST(TargetPlatform)
390 AC_SUBST(HostPlatform_CPP)
391 AC_SUBST(BuildPlatform_CPP)
392 AC_SUBST(TargetPlatform_CPP)
394 AC_SUBST(HostArch_CPP)
395 AC_SUBST(BuildArch_CPP)
396 AC_SUBST(TargetArch_CPP)
399 AC_SUBST(BuildOS_CPP)
400 AC_SUBST(TargetOS_CPP)
402 AC_SUBST(HostVendor_CPP)
403 AC_SUBST(BuildVendor_CPP)
404 AC_SUBST(TargetVendor_CPP)
410 [AC_HELP_STRING([--with-hc=ARG],
411 [Use ARG as the path to the compiler for compiling ordinary
412 Haskell code (default= value of --with-ghc)])],
418 AC_PATH_PROGS(NHC,nhc nhc98)
419 AC_PATH_PROG(HBC,hbc)
421 # This uses GHC, so put it after the "GHC is required" check above:
424 if test "$HostOS" = "mingw32"
426 CC="$hardtop/inplace/mingw/bin/gcc.exe"
427 LD="$hardtop/inplace/mingw/bin/ld.exe"
428 NM="$hardtop/inplace/mingw/bin/nm.exe"
429 if ! test -d inplace/mingw ||
430 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
431 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
432 test inplace/mingw -ot ghc-tarballs/mingw/gcc-g++*.tar.gz ||
433 test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
434 test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
435 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
437 AC_MSG_NOTICE([Making in-tree mingw tree])
443 tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
444 tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
445 tar -zxf ../../ghc-tarballs/mingw/gcc-g++*.tar.gz &&
446 tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
447 tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
448 tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
449 mv bin/gcc.exe bin/realgcc.exe
451 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
452 AC_MSG_NOTICE([In-tree mingw tree created])
454 if ! test -d inplace/perl ||
455 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
457 AC_MSG_NOTICE([Making in-tree perl tree])
463 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
465 AC_MSG_NOTICE([In-tree perl tree created])
469 dnl ** Which gcc to use?
470 dnl --------------------------------------------------------------
471 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
473 WhatGccIsCalled="$CC"
474 AC_SUBST(WhatGccIsCalled)
476 dnl ** Which ld to use?
477 dnl --------------------------------------------------------------
478 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
482 dnl ** Which nm to use?
483 dnl --------------------------------------------------------------
484 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
488 dnl ** Mac OS X: explicit deployment target
489 dnl --------------------------------------------------------------
490 AC_ARG_WITH([macosx-deployment-target],
491 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
492 [Build for Mac OS VERSION and higher (default= version of build host)])],
493 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
494 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
495 # ignore everywhere, but on Mac OS
496 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
497 FP_MACOSX_DEPLOYMENT_TARGET=none
499 [FP_MACOSX_DEPLOYMENT_TARGET=none]
501 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
502 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
503 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
505 dnl --------------------------------------------------------------
506 dnl End of configure script option section
507 dnl --------------------------------------------------------------
510 dnl --------------------------------------------------------------
511 dnl * General configuration checks
512 dnl --------------------------------------------------------------
514 dnl ** Can the unix package be built?
515 dnl --------------------------------------------------------------
517 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
522 AC_SUBST([GhcLibsWithUnix])
527 dnl ** look for `perl', but only in /bin on Windows
530 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
531 if test -z "$PerlCmd"; then
532 echo "You must install the version of Perl shipped with GHC"
533 echo "(or a compatible one) in /bin."
538 AC_PATH_PROG(PerlCmd,perl)
539 if test -z "$PerlCmd"; then
540 echo "You must install perl before you can continue"
541 echo "Perhaps it is already installed, but not in your PATH?"
544 FPTOOLS_CHECK_PERL_VERSION
549 dnl ** does #! path/to/perl work? (sometimes it's too long...)
552 dnl ** check for Python
553 AC_PATH_PROG(PythonCmd,python)
555 dnl ** look for GCC and find out which version
556 dnl Figure out which C compiler to use. Gcc is preferred.
557 dnl If gcc, make sure it's at least 2.1
562 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
565 AC_SUBST(CONF_CC_OPTS)
566 AC_SUBST(CONF_LD_OPTS)
568 dnl ** figure out how to do context diffs
571 dnl Let's make sure install-sh is executable here. If we got it from
572 dnl a darcs repo, it might not be (see bug #978).
574 dnl ** figure out how to do a BSD-ish install
577 dnl If you can run configure, you certainly have /bin/sh
578 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
580 dnl ** how to invoke `ar' and `ranlib'
581 FP_PROG_AR_SUPPORTS_ATFILE
582 FP_PROG_AR_NEEDS_RANLIB
583 FP_PROG_AR_SUPPORTS_INPUT
585 dnl ** Check to see whether ln -s works
589 dnl ** Find the path to sed
590 AC_PATH_PROGS(SedCmd,gsed sed,sed)
593 dnl ** check for time command
594 AC_PATH_PROG(TimeCmd,time)
597 dnl if GNU tar is named gtar, look for it first.
598 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
600 dnl ** check for patch
601 dnl if GNU patch is named gpatch, look for it first
602 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
604 dnl ** check for dtrace (currently only implemented for Mac OS X)
606 AC_PATH_PROG(DtraceCmd,dtrace)
607 if test -n "$DtraceCmd"; then
608 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
614 AC_PATH_PROG(HSCOLOUR,HsColour)
615 # HsColour is passed to Cabal, so we need a native path
616 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
617 test "${OSTYPE}" != "msys" && \
618 test "${HSCOLOUR}" != ""
620 # Canonicalise to <drive>:/path/to/gcc
621 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
624 dnl ** check for DocBook toolchain
631 dnl ** check for ghc-pkg command
634 dnl ** check for installed happy binary + version
635 dnl (don't do it if we're booting from .hc files though.)
636 if test "$BootingFromHc" = "NO"; then
640 dnl ** check for installed alex binary + version
641 dnl (don't do it if we're booting from .hc files though.)
642 if test "$BootingFromHc" = "NO"; then
646 dnl --------------------------------------------------
647 dnl ### program checking section ends here ###
648 dnl --------------------------------------------------
650 dnl --------------------------------------------------
651 dnl * Platform header file and syscall feature tests
652 dnl ### checking the state of the local header files and syscalls ###
654 dnl ** check for full ANSI header (.h) files
657 dnl ** Enable large file support. NB. do this before testing the type of
658 dnl off_t, because it will affect the result of that test.
661 dnl ** check for specific header (.h) files that we are interested in
662 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
664 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
667 dnl ** do we have long longs?
668 AC_CHECK_TYPES([long long])
670 dnl ** what are the sizes of various types
671 AC_CHECK_SIZEOF(char, 1)
672 AC_CHECK_SIZEOF(double, 8)
673 AC_CHECK_SIZEOF(float, 4)
674 AC_CHECK_SIZEOF(int, 4)
675 AC_CHECK_SIZEOF(long, 4)
676 if test "$ac_cv_type_long_long" = yes; then
677 AC_CHECK_SIZEOF(long long, 8)
679 AC_CHECK_SIZEOF(short, 2)
680 AC_CHECK_SIZEOF(unsigned char, 1)
681 AC_CHECK_SIZEOF(unsigned int, 4)
682 AC_CHECK_SIZEOF(unsigned long, 4)
683 if test "$ac_cv_type_long_long" = yes; then
684 AC_CHECK_SIZEOF(unsigned long long, 8)
686 AC_CHECK_SIZEOF(unsigned short, 2)
687 AC_CHECK_SIZEOF(void *, 4)
689 dnl ** what are alignment constraints on various types
690 FP_CHECK_ALIGNMENT(char)
691 FP_CHECK_ALIGNMENT(double)
692 FP_CHECK_ALIGNMENT(float)
693 FP_CHECK_ALIGNMENT(int)
694 FP_CHECK_ALIGNMENT(long)
695 if test "$ac_cv_type_long_long" = yes; then
696 FP_CHECK_ALIGNMENT(long long)
698 FP_CHECK_ALIGNMENT(short)
699 FP_CHECK_ALIGNMENT(unsigned char)
700 FP_CHECK_ALIGNMENT(unsigned int)
701 FP_CHECK_ALIGNMENT(unsigned long)
702 if test "$ac_cv_type_long_long" = yes; then
703 FP_CHECK_ALIGNMENT(unsigned long long)
705 FP_CHECK_ALIGNMENT(unsigned short)
706 FP_CHECK_ALIGNMENT(void *)
708 FP_CHECK_FUNC([WinExec],
709 [@%:@include <windows.h>], [WinExec("",0)])
711 FP_CHECK_FUNC([GetModuleFileName],
712 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
714 dnl ** check return type of signal handlers
715 dnl Foo: assumes we can use prototypes.
716 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
717 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
718 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
719 dnl #include <signal.h>
723 dnl void (*signal (int, void (*)(int)))(int);
726 dnl [ac_cv_type_signal_handler=void_int],
727 dnl [ac_cv_type_signal_handler=int_void])])
728 dnl if test "$ac_cv_type_signal_handler" = void_int; then
729 dnl AC_DEFINE(VOID_INT_SIGNALS)
732 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
734 if test "$ac_cv_type_signal" = void; then
735 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).])
738 dnl ** check for more functions
739 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
740 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
743 #include <sys/types.h>
744 #include <sys/time.h>
746 struct itimerval tval;
747 tval.it_value.tv_sec = 1;
748 tval.it_value.tv_usec = 0;
749 tval.it_interval = tval.it_value;
750 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
752 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
754 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
755 dnl ** _POSIX_C_SOURCE is defined
756 AC_CHECK_DECLS([ctime_r], , ,
757 [#define _POSIX_SOURCE 1
758 #define _POSIX_C_SOURCE 199506L
761 dnl ** check for mingwex library
762 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
763 AC_SUBST(HaveLibMingwEx)
765 if test $HaveLibMingwEx = YES ; then
766 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
769 dnl ** check for math library
770 dnl Keep that check as early as possible.
771 dnl as we need to know whether we need libm
772 dnl for math functions or not
773 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
774 AC_SEARCH_LIBS(atan, m,
775 [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
777 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
778 dnl the order of these tests matters: bfd needs liberty
779 AC_CHECK_LIB(iberty, xmalloc)
780 AC_CHECK_LIB(bfd, bfd_init)
782 dnl ################################################################
783 dnl Check for libraries
784 dnl ################################################################
786 dnl ** check whether we need -ldl to get dlopen()
788 AC_CHECK_LIB(dl, dlopen,
790 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
795 dnl --------------------------------------------------
796 dnl * Miscellaneous feature tests
797 dnl --------------------------------------------------
799 dnl ** can we get alloca?
802 dnl ** Working vfork?
805 dnl ** determine whether or not const works
808 dnl ** are we big endian?
810 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
812 dnl ** check for leading underscores in symbol names
813 FP_LEADING_UNDERSCORE
815 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
819 dnl ** check for Apple-style dead-stripping support
820 dnl (.subsections-via-symbols assembler directive)
823 AC_MSG_CHECKING(for .subsections_via_symbols)
825 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
827 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
828 [Define to 1 if Apple-style dead-stripping is supported.])
832 dnl *** check for GNU non-executable stack note support (ELF only)
833 dnl (.section .note.GNU-stack,"",@progbits)
835 AC_MSG_CHECKING(for GNU non-executable stack support)
837 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
839 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
840 [Define to 1 if GNU non-executable stack notes are supported.])
844 dnl ** check for librt
845 AC_CHECK_LIB(rt, clock_gettime)
846 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
847 FP_CHECK_TIMER_CREATE
849 dnl ** check for Apple's "interesting" long double compatibility scheme
850 AC_MSG_CHECKING(for printf\$LDBLStub)
851 AC_TRY_LINK_FUNC(printf\$LDBLStub,
854 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
855 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
859 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
860 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
864 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
865 if test -n "$GTK_CONFIG"; then
866 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
867 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
869 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
873 AC_SUBST([GTK_CONFIG])
876 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
877 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
878 AC_SUBST(HavePapiLib)
879 AC_SUBST(HavePapiHeader)
881 AC_CHECK_FUNCS(__mingw_vfprintf)
883 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
890 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
891 test "$XsltprocCmd" = ""
893 BUILD_DOCBOOK_HTML=NO
895 BUILD_DOCBOOK_HTML=YES
897 AC_SUBST(BUILD_DOCBOOK_HTML)
899 if test "$DblatexCmd" = ""
905 BUILD_DOCBOOK_PDF=YES
907 AC_SUBST(BUILD_DOCBOOK_PS)
908 AC_SUBST(BUILD_DOCBOOK_PDF)
910 LIBRARY_VERSION(base)
911 LIBRARY_VERSION(Cabal)
912 LIBRARY_VERSION(ghc-prim)
913 LIBRARY_ghc_VERSION="$ProjectVersion"
914 AC_SUBST(LIBRARY_ghc_VERSION)
916 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
917 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
920 AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
921 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
925 # http://savannah.gnu.org/bugs/index.php?1516
926 # $(eval ...) inside conditionals causes errors
927 # with make 3.80, so warn the user if it looks like they're about to
929 # We would use "grep -q" here, but Solaris's grep doesn't support it.
931 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
934 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
935 echo "This version cannot be used to build GHC."
936 echo "Please use GNU make >= 3.81."
944 ----------------------------------------------------------------------
945 Configure completed successfully.
947 Building GHC version : $ProjectVersion
949 Build platform : $BuildPlatform
950 Host platform : $HostPlatform
951 Target platform : $TargetPlatform
954 if test "$BootingFromHc" = "YES"; then
956 Bootstrapping from HC files.
960 Bootstrapping using : $WithGhc
961 which is version : $GhcVersion
966 Using GCC : $WhatGccIsCalled
967 which is version : $GccVersion
970 Happy : $HappyCmd ($HappyVersion)
971 Alex : $AlexCmd ($AlexVersion)
974 dblatex : $DblatexCmd
975 xsltproc : $XsltprocCmd"]
977 if test "$HSCOLOUR" = ""; then
979 HsColour was not found; documentation will not contain source links
988 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
989 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
990 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
992 echo ["----------------------------------------------------------------------
996 For a standard build of GHC (fully optimised with profiling), type (g)make.
998 To make changes to the default build configuration, copy the file
999 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1001 For more information on how to configure your GHC build, see
1002 http://hackage.haskell.org/trac/ghc/wiki/Building