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 $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
132 AC_SUBST(ghc_ge_609)dnl
133 AC_SUBST(ghc_ge_6102)dnl
134 AC_SUBST(ghc_ge_611)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$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],[6.8],
143 [AC_MSG_ERROR([GHC version 6.8 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: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
178 dnl Allow to specify iconv options to the toplevel configure script
179 dnl so they can be properly passed to sub-builds.
180 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
181 dnl to the empty string to allow them to be overridden from the
184 AC_ARG_WITH([iconv-includes],
185 [AC_HELP_STRING([--with-iconv-includes],
186 [directory containing iconv.h])],
187 [ICONV_INCLUDE_DIRS=$withval])
189 AC_ARG_WITH([iconv-libraries],
190 [AC_HELP_STRING([--with-iconv-libraries],
191 [directory containing iconv library])],
192 [ICONV_LIB_DIRS=$withval])
194 AC_SUBST(ICONV_INCLUDE_DIRS)
195 AC_SUBST(ICONV_LIB_DIRS)
197 dnl--------------------------------------------------------------------
198 dnl * Choose host(/target/build) platform
199 dnl--------------------------------------------------------------------
200 dnl We don't use the standard autoconf macros for this, but instead
201 dnl ask the bootstrapping compiler what platform it is for
203 dnl Guess host/target/build platform(s) if necessary.
204 m4_divert_once([HELP_CANON],
207 --build=BUILD configure for building on BUILD [guessed]
208 --host=HOST cross-compile to build programs to run on HOST [guessed]
209 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
211 if test "${WithGhc}" != ""
213 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
214 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
215 if test "$bootstrap_host" != "$bootstrap_target"
217 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
221 # We have to run these unconditionally, but we may discard their
222 # results in the following code
227 # If no argument was given for a configuration variable, then discard
228 # the guessed canonical system and use the configuration of the
229 # bootstrapping ghc. If an argument was given, map it from gnu format
232 # For why we do it this way, see: #3637, #1717, #2951
234 if test "$build_alias" = ""
236 if test "${WithGhc}" != ""
238 build=$bootstrap_target
239 echo "Build platform inferred as: $build"
241 echo "Can't work out build platform"
245 BuildArch=`echo "$build" | sed 's/-.*//'`
246 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
247 BuildOS=`echo "$build" | sed 's/.*-//'`
249 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
250 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
251 GHC_CONVERT_OS([$build_os], [BuildOS])
254 if test "$host_alias" = ""
256 if test "${WithGhc}" != ""
258 host=$bootstrap_target
259 echo "Host platform inferred as: $host"
261 echo "Can't work out host platform"
265 HostArch=`echo "$host" | sed 's/-.*//'`
266 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
267 HostOS=`echo "$host" | sed 's/.*-//'`
269 GHC_CONVERT_CPU([$host_cpu], [HostArch])
270 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
271 GHC_CONVERT_OS([$host_os], [HostOS])
274 if test "$target_alias" = ""
276 if test "${WithGhc}" != ""
278 target=$bootstrap_target
279 echo "Target platform inferred as: $target"
281 echo "Can't work out target platform"
285 TargetArch=`echo "$target" | sed 's/-.*//'`
286 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
287 TargetOS=`echo "$target" | sed 's/.*-//'`
289 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
290 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
291 GHC_CONVERT_OS([$target_os], [TargetOS])
298 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
299 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
306 i386-apple-darwin|powerpc-apple-darwin)
308 CFLAGS="$CFLAGS -m32"
309 LDFLAGS="$LDFLAGS -m32"
310 CONF_CC_OPTS="$CONF_CC_OPTS -m32"
311 CONF_LD_OPTS="$CONF_LD_OPTS -m32"
315 CFLAGS="$CFLAGS -m64"
316 LDFLAGS="$LDFLAGS -m64"
317 CONF_CC_OPTS="$CONF_CC_OPTS -m64"
318 CONF_LD_OPTS="$CONF_LD_OPTS -m64"
324 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
327 echo "Unknown arch $1"
335 dec|unknown|hp|apple|next|sun|sgi|ibm)
338 echo "Unknown vendor $1"
346 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
349 echo "Unknown OS '$1'"
355 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
356 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
357 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
358 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
359 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
361 checkArch "$BuildArch"
362 checkVendor "$BuildVendor"
365 HostPlatform="$HostArch-$HostVendor-$HostOS"
366 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
367 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
368 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
371 checkArch "$HostArch"
372 checkVendor "$HostVendor"
375 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
376 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
377 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
378 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
379 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
381 checkArch "$TargetArch"
382 checkVendor "$TargetVendor"
385 AC_SUBST(BuildPlatform)
386 AC_SUBST(HostPlatform)
387 AC_SUBST(TargetPlatform)
388 AC_SUBST(HostPlatform_CPP)
389 AC_SUBST(BuildPlatform_CPP)
390 AC_SUBST(TargetPlatform_CPP)
392 AC_SUBST(HostArch_CPP)
393 AC_SUBST(BuildArch_CPP)
394 AC_SUBST(TargetArch_CPP)
397 AC_SUBST(BuildOS_CPP)
398 AC_SUBST(TargetOS_CPP)
400 AC_SUBST(HostVendor_CPP)
401 AC_SUBST(BuildVendor_CPP)
402 AC_SUBST(TargetVendor_CPP)
408 [AC_HELP_STRING([--with-hc=ARG],
409 [Use ARG as the path to the compiler for compiling ordinary
410 Haskell code (default= value of --with-ghc)])],
416 AC_PATH_PROGS(NHC,nhc nhc98)
417 AC_PATH_PROG(HBC,hbc)
419 # This uses GHC, so put it after the "GHC is required" check above:
422 if test "$HostOS" = "mingw32"
424 CC="$hardtop/inplace/mingw/bin/gcc.exe"
425 LD="$hardtop/inplace/mingw/bin/ld.exe"
426 NM="$hardtop/inplace/mingw/bin/nm.exe"
427 if ! test -d inplace/mingw ||
428 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
429 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
430 test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
431 test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
432 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
434 AC_MSG_NOTICE([Making in-tree mingw tree])
440 tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
441 tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
442 tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
443 tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
444 tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
445 mv bin/gcc.exe bin/realgcc.exe
447 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
448 AC_MSG_NOTICE([In-tree mingw tree created])
450 if ! test -d inplace/perl ||
451 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
453 AC_MSG_NOTICE([Making in-tree perl tree])
459 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
461 AC_MSG_NOTICE([In-tree perl tree created])
465 dnl ** Which gcc to use?
466 dnl --------------------------------------------------------------
467 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
469 WhatGccIsCalled="$CC"
470 AC_SUBST(WhatGccIsCalled)
472 dnl ** Which ld to use?
473 dnl --------------------------------------------------------------
474 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
478 dnl ** Which nm to use?
479 dnl --------------------------------------------------------------
480 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
484 dnl ** Mac OS X: explicit deployment target
485 dnl --------------------------------------------------------------
486 AC_ARG_WITH([macosx-deployment-target],
487 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
488 [Build for Mac OS VERSION and higher (default= version of build host)])],
489 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
490 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
491 # ignore everywhere, but on Mac OS
492 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
493 FP_MACOSX_DEPLOYMENT_TARGET=none
495 [FP_MACOSX_DEPLOYMENT_TARGET=none]
497 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
498 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
499 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
501 dnl --------------------------------------------------------------
502 dnl End of configure script option section
503 dnl --------------------------------------------------------------
506 dnl --------------------------------------------------------------
507 dnl * General configuration checks
508 dnl --------------------------------------------------------------
510 dnl ** Can the unix package be built?
511 dnl --------------------------------------------------------------
513 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
518 AC_SUBST([GhcLibsWithUnix])
523 dnl ** look for `perl', but only in /bin on Windows
526 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
527 if test -z "$PerlCmd"; then
528 echo "You must install the version of Perl shipped with GHC"
529 echo "(or a compatible one) in /bin."
534 AC_PATH_PROG(PerlCmd,perl)
535 if test -z "$PerlCmd"; then
536 echo "You must install perl before you can continue"
537 echo "Perhaps it is already installed, but not in your PATH?"
540 FPTOOLS_CHECK_PERL_VERSION
545 dnl ** does #! path/to/perl work? (sometimes it's too long...)
548 dnl ** check for Python
549 AC_PATH_PROG(PythonCmd,python)
551 dnl ** look for GCC and find out which version
552 dnl Figure out which C compiler to use. Gcc is preferred.
553 dnl If gcc, make sure it's at least 2.1
558 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
561 AC_SUBST(CONF_CC_OPTS)
562 AC_SUBST(CONF_LD_OPTS)
564 dnl ** figure out how to do context diffs
567 dnl Let's make sure install-sh is executable here. If we got it from
568 dnl a darcs repo, it might not be (see bug #978).
570 dnl ** figure out how to do a BSD-ish install
573 dnl If you can run configure, you certainly have /bin/sh
574 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
576 dnl ** how to invoke `ar' and `ranlib'
577 FP_PROG_AR_NEEDS_RANLIB
578 FP_PROG_AR_SUPPORTS_INPUT
580 dnl ** Check to see whether ln -s works
584 dnl ** Find the path to sed
585 AC_PATH_PROGS(SedCmd,gsed sed,sed)
588 dnl ** check for time command
589 AC_PATH_PROG(TimeCmd,time)
592 dnl if GNU tar is named gtar, look for it first.
593 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
595 dnl ** check for patch
596 dnl if GNU patch is named gpatch, look for it first
597 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
599 dnl ** check for dtrace (currently only implemented for Mac OS X)
601 AC_PATH_PROG(DtraceCmd,dtrace)
602 if test -n "$DtraceCmd"; then
603 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
609 AC_PATH_PROG(HSCOLOUR,HsColour)
610 # HsColour is passed to Cabal, so we need a native path
611 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
612 test "${OSTYPE}" != "msys" && \
613 test "${HSCOLOUR}" != ""
615 # Canonicalise to <drive>:/path/to/gcc
616 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
619 dnl ** check for DocBook toolchain
626 dnl ** check for ghc-pkg command
629 dnl ** check for installed happy binary + version
630 dnl (don't do it if we're booting from .hc files though.)
631 if test "$BootingFromHc" = "NO"; then
635 dnl ** check for installed alex binary + version
636 dnl (don't do it if we're booting from .hc files though.)
637 if test "$BootingFromHc" = "NO"; then
641 dnl --------------------------------------------------
642 dnl ### program checking section ends here ###
643 dnl --------------------------------------------------
645 dnl --------------------------------------------------
646 dnl * Platform header file and syscall feature tests
647 dnl ### checking the state of the local header files and syscalls ###
649 dnl ** check for full ANSI header (.h) files
652 dnl ** Enable large file support. NB. do this before testing the type of
653 dnl off_t, because it will affect the result of that test.
656 dnl ** check for specific header (.h) files that we are interested in
657 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
659 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
662 dnl ** do we have long longs?
663 AC_CHECK_TYPES([long long])
665 dnl ** what are the sizes of various types
666 AC_CHECK_SIZEOF(char, 1)
667 AC_CHECK_SIZEOF(double, 8)
668 AC_CHECK_SIZEOF(float, 4)
669 AC_CHECK_SIZEOF(int, 4)
670 AC_CHECK_SIZEOF(long, 4)
671 if test "$ac_cv_type_long_long" = yes; then
672 AC_CHECK_SIZEOF(long long, 8)
674 AC_CHECK_SIZEOF(short, 2)
675 AC_CHECK_SIZEOF(unsigned char, 1)
676 AC_CHECK_SIZEOF(unsigned int, 4)
677 AC_CHECK_SIZEOF(unsigned long, 4)
678 if test "$ac_cv_type_long_long" = yes; then
679 AC_CHECK_SIZEOF(unsigned long long, 8)
681 AC_CHECK_SIZEOF(unsigned short, 2)
682 AC_CHECK_SIZEOF(void *, 4)
684 dnl ** what are alignment constraints on various types
685 FP_CHECK_ALIGNMENT(char)
686 FP_CHECK_ALIGNMENT(double)
687 FP_CHECK_ALIGNMENT(float)
688 FP_CHECK_ALIGNMENT(int)
689 FP_CHECK_ALIGNMENT(long)
690 if test "$ac_cv_type_long_long" = yes; then
691 FP_CHECK_ALIGNMENT(long long)
693 FP_CHECK_ALIGNMENT(short)
694 FP_CHECK_ALIGNMENT(unsigned char)
695 FP_CHECK_ALIGNMENT(unsigned int)
696 FP_CHECK_ALIGNMENT(unsigned long)
697 if test "$ac_cv_type_long_long" = yes; then
698 FP_CHECK_ALIGNMENT(unsigned long long)
700 FP_CHECK_ALIGNMENT(unsigned short)
701 FP_CHECK_ALIGNMENT(void *)
703 FP_CHECK_FUNC([WinExec],
704 [@%:@include <windows.h>], [WinExec("",0)])
706 FP_CHECK_FUNC([GetModuleFileName],
707 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
709 dnl ** check return type of signal handlers
710 dnl Foo: assumes we can use prototypes.
711 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
712 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
713 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
714 dnl #include <signal.h>
718 dnl void (*signal (int, void (*)(int)))(int);
721 dnl [ac_cv_type_signal_handler=void_int],
722 dnl [ac_cv_type_signal_handler=int_void])])
723 dnl if test "$ac_cv_type_signal_handler" = void_int; then
724 dnl AC_DEFINE(VOID_INT_SIGNALS)
727 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
729 if test "$ac_cv_type_signal" = void; then
730 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).])
733 dnl ** check for more functions
734 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
735 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
738 #include <sys/types.h>
739 #include <sys/time.h>
741 struct itimerval tval;
742 tval.it_value.tv_sec = 1;
743 tval.it_value.tv_usec = 0;
744 tval.it_interval = tval.it_value;
745 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
747 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
749 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
750 dnl ** _POSIX_C_SOURCE is defined
751 AC_CHECK_DECLS([ctime_r], , ,
752 [#define _POSIX_SOURCE 1
753 #define _POSIX_C_SOURCE 199506L
756 dnl ** check for mingwex library
757 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
758 AC_SUBST(HaveLibMingwEx)
760 if test $HaveLibMingwEx = YES ; then
761 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
764 dnl ** check for math library
765 dnl Keep that check as early as possible.
766 dnl as we need to know whether we need libm
767 dnl for math functions or not
768 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
769 AC_SEARCH_LIBS(atan, m,
770 [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
772 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
773 dnl the order of these tests matters: bfd needs liberty
774 AC_CHECK_LIB(iberty, xmalloc)
775 AC_CHECK_LIB(bfd, bfd_init)
777 dnl ################################################################
778 dnl Check for libraries
779 dnl ################################################################
781 dnl ** check whether we need -ldl to get dlopen()
783 AC_CHECK_LIB(dl, dlopen,
785 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
790 dnl --------------------------------------------------
791 dnl * Miscellaneous feature tests
792 dnl --------------------------------------------------
794 dnl ** can we get alloca?
797 dnl ** Working vfork?
800 dnl ** determine whether or not const works
803 dnl ** are we big endian?
805 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
807 dnl ** check for leading underscores in symbol names
808 FP_LEADING_UNDERSCORE
810 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
814 dnl ** check for Apple-style dead-stripping support
815 dnl (.subsections-via-symbols assembler directive)
818 AC_MSG_CHECKING(for .subsections_via_symbols)
820 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
822 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
823 [Define to 1 if Apple-style dead-stripping is supported.])
827 dnl *** check for GNU non-executable stack note support (ELF only)
828 dnl (.section .note.GNU-stack,"",@progbits)
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.])
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$LDBLStub (Apple Mac OS >= 10.4, PPC).])
859 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
860 if test -n "$GTK_CONFIG"; then
861 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
862 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
864 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
868 AC_SUBST([GTK_CONFIG])
871 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
872 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
873 AC_SUBST(HavePapiLib)
874 AC_SUBST(HavePapiHeader)
876 AC_CHECK_FUNCS(__mingw_vfprintf)
878 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
885 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
886 test "$XsltprocCmd" = ""
888 BUILD_DOCBOOK_HTML=NO
890 BUILD_DOCBOOK_HTML=YES
892 AC_SUBST(BUILD_DOCBOOK_HTML)
894 if test "$DblatexCmd" = ""
900 BUILD_DOCBOOK_PDF=YES
902 AC_SUBST(BUILD_DOCBOOK_PS)
903 AC_SUBST(BUILD_DOCBOOK_PDF)
905 LIBRARY_VERSION(base)
906 LIBRARY_VERSION(Cabal)
907 LIBRARY_VERSION(ghc-prim)
908 LIBRARY_ghc_VERSION="$ProjectVersion"
909 AC_SUBST(LIBRARY_ghc_VERSION)
911 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
912 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
915 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])
916 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
920 # http://savannah.gnu.org/bugs/index.php?1516
921 # $(eval ...) inside conditionals causes errors
922 # with make 3.80, so warn the user if it looks like they're about to
924 # We would use "grep -q" here, but Solaris's grep doesn't support it.
926 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
929 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
930 echo "This version cannot be used to build GHC."
931 echo "Please use GNU make >= 3.81."
939 ----------------------------------------------------------------------
940 Configure completed successfully.
942 Building GHC version : $ProjectVersion
944 Build platform : $BuildPlatform
945 Host platform : $HostPlatform
946 Target platform : $TargetPlatform
949 if test "$BootingFromHc" = "YES"; then
951 Bootstrapping from HC files.
955 Bootstrapping using : $WithGhc
956 which is version : $GhcVersion
961 Using GCC : $WhatGccIsCalled
962 which is version : $GccVersion
965 Happy : $HappyCmd ($HappyVersion)
966 Alex : $AlexCmd ($AlexVersion)
969 dblatex : $DblatexCmd
970 xsltproc : $XsltprocCmd"]
972 if test "$HSCOLOUR" = ""; then
974 HsColour was not found; documentation will not contain source links
983 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
984 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
985 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
987 echo ["----------------------------------------------------------------------
991 For a standard build of GHC (fully optimised with profiling), type (g)make.
993 To make changes to the default build configuration, copy the file
994 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
996 For more information on how to configure your GHC build, see
997 http://hackage.haskell.org/trac/ghc/wiki/Building