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 '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: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
178 dnl Allow to specify iconv options to the toplevel configure script
179 dnl so they can be properly passed to sub-builds.
180 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
181 dnl to the empty string to allow them to be overridden from the
184 AC_ARG_WITH([iconv-includes],
185 [AC_HELP_STRING([--with-iconv-includes],
186 [directory containing iconv.h])],
187 [ICONV_INCLUDE_DIRS=$withval])
189 AC_ARG_WITH([iconv-libraries],
190 [AC_HELP_STRING([--with-iconv-libraries],
191 [directory containing iconv library])],
192 [ICONV_LIB_DIRS=$withval])
194 AC_SUBST(ICONV_INCLUDE_DIRS)
195 AC_SUBST(ICONV_LIB_DIRS)
197 dnl Allow to specify gmp options to the toplevel configure script
198 dnl so they can be properly passed to sub-builds.
200 AC_ARG_WITH([gmp-includes],
201 [AC_HELP_STRING([--with-gmp-includes],
202 [directory containing gmp.h])],
203 [GMP_INCLUDE_DIRS=$withval])
205 AC_ARG_WITH([gmp-libraries],
206 [AC_HELP_STRING([--with-gmp-libraries],
207 [directory containing gmp library])],
208 [GMP_LIB_DIRS=$withval])
210 AC_SUBST(GMP_INCLUDE_DIRS)
211 AC_SUBST(GMP_LIB_DIRS)
213 dnl--------------------------------------------------------------------
214 dnl * Choose host(/target/build) platform
215 dnl--------------------------------------------------------------------
216 dnl If we aren't explicitly told what values to use with configure flags,
217 dnl we ask the bootstrapping compiler what platform it is for
219 if test "${WithGhc}" != ""
221 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
222 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
223 if test "$bootstrap_host" != "$bootstrap_target"
225 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
229 # We have to run these unconditionally, but we may discard their
230 # results in the following code
235 # If no argument was given for a configuration variable, then discard
236 # the guessed canonical system and use the configuration of the
237 # bootstrapping ghc. If an argument was given, map it from gnu format
240 # For why we do it this way, see: #3637, #1717, #2951
242 if test "$build_alias" = ""
244 if test "${WithGhc}" != ""
246 build=$bootstrap_target
247 echo "Build platform inferred as: $build"
249 echo "Can't work out build platform"
253 BuildArch=`echo "$build" | sed 's/-.*//'`
254 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
255 BuildOS=`echo "$build" | sed 's/.*-//'`
257 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
258 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
259 GHC_CONVERT_OS([$build_os], [BuildOS])
262 if test "$host_alias" = ""
264 if test "${WithGhc}" != ""
266 host=$bootstrap_target
267 echo "Host platform inferred as: $host"
269 echo "Can't work out host platform"
273 HostArch=`echo "$host" | sed 's/-.*//'`
274 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
275 HostOS=`echo "$host" | sed 's/.*-//'`
277 GHC_CONVERT_CPU([$host_cpu], [HostArch])
278 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
279 GHC_CONVERT_OS([$host_os], [HostOS])
282 if test "$target_alias" = ""
284 if test "${WithGhc}" != ""
286 target=$bootstrap_target
287 echo "Target platform inferred as: $target"
289 echo "Can't work out target platform"
293 TargetArch=`echo "$target" | sed 's/-.*//'`
294 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
295 TargetOS=`echo "$target" | sed 's/.*-//'`
297 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
298 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
299 GHC_CONVERT_OS([$target_os], [TargetOS])
306 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
307 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
314 i386-apple-darwin|powerpc-apple-darwin)
316 CFLAGS="$CFLAGS -m32"
317 LDFLAGS="$LDFLAGS -m32"
318 CONF_CC_OPTS="$CONF_CC_OPTS -m32"
319 CONF_LD_OPTS="$CONF_LD_OPTS -m32"
323 CFLAGS="$CFLAGS -m64"
324 LDFLAGS="$LDFLAGS -m64"
325 CONF_CC_OPTS="$CONF_CC_OPTS -m64"
326 CONF_LD_OPTS="$CONF_LD_OPTS -m64"
332 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
335 echo "Unknown arch $1"
343 dec|unknown|hp|apple|next|sun|sgi|ibm)
346 echo "Unknown vendor $1"
354 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
357 echo "Unknown OS '$1'"
363 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
364 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
365 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
366 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
367 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 checkArch "$BuildArch"
370 checkVendor "$BuildVendor"
373 HostPlatform="$HostArch-$HostVendor-$HostOS"
374 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
375 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
376 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
377 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
379 checkArch "$HostArch"
380 checkVendor "$HostVendor"
383 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
384 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
385 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
386 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
387 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
389 checkArch "$TargetArch"
390 checkVendor "$TargetVendor"
393 AC_SUBST(BuildPlatform)
394 AC_SUBST(HostPlatform)
395 AC_SUBST(TargetPlatform)
396 AC_SUBST(HostPlatform_CPP)
397 AC_SUBST(BuildPlatform_CPP)
398 AC_SUBST(TargetPlatform_CPP)
400 AC_SUBST(HostArch_CPP)
401 AC_SUBST(BuildArch_CPP)
402 AC_SUBST(TargetArch_CPP)
405 AC_SUBST(BuildOS_CPP)
406 AC_SUBST(TargetOS_CPP)
408 AC_SUBST(HostVendor_CPP)
409 AC_SUBST(BuildVendor_CPP)
410 AC_SUBST(TargetVendor_CPP)
416 [AC_HELP_STRING([--with-hc=ARG],
417 [Use ARG as the path to the compiler for compiling ordinary
418 Haskell code (default= value of --with-ghc)])],
424 AC_PATH_PROGS(NHC,nhc nhc98)
425 AC_PATH_PROG(HBC,hbc)
427 # This uses GHC, so put it after the "GHC is required" check above:
430 if test "$HostOS" = "mingw32"
432 CC="$hardtop/inplace/mingw/bin/gcc.exe"
433 LD="$hardtop/inplace/mingw/bin/ld.exe"
434 NM="$hardtop/inplace/mingw/bin/nm.exe"
435 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
436 if ! test -d inplace/mingw ||
437 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
438 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
439 test inplace/mingw -ot ghc-tarballs/mingw/gcc-g++*.tar.gz ||
440 test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
441 test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
442 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
444 AC_MSG_NOTICE([Making in-tree mingw tree])
450 tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
451 tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
452 tar -zxf ../../ghc-tarballs/mingw/gcc-g++*.tar.gz &&
453 tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
454 tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
455 tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
456 mv bin/gcc.exe bin/realgcc.exe
458 inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
459 AC_MSG_NOTICE([In-tree mingw tree created])
461 if ! test -d inplace/perl ||
462 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
464 AC_MSG_NOTICE([Making in-tree perl tree])
470 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
472 AC_MSG_NOTICE([In-tree perl tree created])
476 dnl ** Which gcc to use?
477 dnl --------------------------------------------------------------
478 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
480 WhatGccIsCalled="$CC"
481 AC_SUBST(WhatGccIsCalled)
483 dnl ** Which ld to use?
484 dnl --------------------------------------------------------------
485 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
489 dnl ** Which nm to use?
490 dnl --------------------------------------------------------------
491 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
495 dnl ** Mac OS X: explicit deployment target
496 dnl --------------------------------------------------------------
497 AC_ARG_WITH([macosx-deployment-target],
498 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
499 [Build for Mac OS VERSION and higher (default= version of build host)])],
500 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
501 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
502 # ignore everywhere, but on Mac OS
503 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
504 FP_MACOSX_DEPLOYMENT_TARGET=none
506 [FP_MACOSX_DEPLOYMENT_TARGET=none]
508 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
509 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
510 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
512 dnl --------------------------------------------------------------
513 dnl End of configure script option section
514 dnl --------------------------------------------------------------
517 dnl --------------------------------------------------------------
518 dnl * General configuration checks
519 dnl --------------------------------------------------------------
521 dnl ** Can the unix package be built?
522 dnl --------------------------------------------------------------
524 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
529 AC_SUBST([GhcLibsWithUnix])
534 dnl ** look for `perl', but only in /bin on Windows
537 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
538 if test -z "$PerlCmd"; then
539 echo "You must install the version of Perl shipped with GHC"
540 echo "(or a compatible one) in /bin."
545 AC_PATH_PROG(PerlCmd,perl)
546 if test -z "$PerlCmd"; then
547 echo "You must install perl before you can continue"
548 echo "Perhaps it is already installed, but not in your PATH?"
551 FPTOOLS_CHECK_PERL_VERSION
556 dnl ** does #! path/to/perl work? (sometimes it's too long...)
559 dnl ** check for Python
560 AC_PATH_PROG(PythonCmd,python)
562 dnl ** look for GCC and find out which version
563 dnl Figure out which C compiler to use. Gcc is preferred.
564 dnl If gcc, make sure it's at least 2.1
569 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
572 AC_SUBST(CONF_CC_OPTS)
573 AC_SUBST(CONF_LD_OPTS)
575 dnl ** figure out how to do context diffs
578 dnl Let's make sure install-sh is executable here. If we got it from
579 dnl a darcs repo, it might not be (see bug #978).
581 dnl ** figure out how to do a BSD-ish install
584 dnl If you can run configure, you certainly have /bin/sh
585 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
587 dnl ** how to invoke `ar' and `ranlib'
588 FP_PROG_AR_SUPPORTS_ATFILE
589 FP_PROG_AR_NEEDS_RANLIB
590 FP_PROG_AR_SUPPORTS_INPUT
592 dnl ** Check to see whether ln -s works
596 dnl ** Find the path to sed
597 AC_PATH_PROGS(SedCmd,gsed sed,sed)
600 dnl ** check for time command
601 AC_PATH_PROG(TimeCmd,time)
604 dnl if GNU tar is named gtar, look for it first.
605 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
607 dnl ** check for patch
608 dnl if GNU patch is named gpatch, look for it first
609 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
611 dnl ** check for dtrace (currently only implemented for Mac OS X)
613 AC_PATH_PROG(DtraceCmd,dtrace)
614 if test -n "$DtraceCmd"; then
615 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
621 AC_PATH_PROG(HSCOLOUR,HsColour)
622 # HsColour is passed to Cabal, so we need a native path
623 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
624 test "${OSTYPE}" != "msys" && \
625 test "${HSCOLOUR}" != ""
627 # Canonicalise to <drive>:/path/to/gcc
628 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
631 dnl ** check for DocBook toolchain
638 dnl ** check for ghc-pkg command
641 dnl ** check for installed happy binary + version
642 dnl (don't do it if we're booting from .hc files though.)
643 if test "$BootingFromHc" = "NO"; then
647 dnl ** check for installed alex binary + version
648 dnl (don't do it if we're booting from .hc files though.)
649 if test "$BootingFromHc" = "NO"; then
653 dnl --------------------------------------------------
654 dnl ### program checking section ends here ###
655 dnl --------------------------------------------------
657 dnl --------------------------------------------------
658 dnl * Platform header file and syscall feature tests
659 dnl ### checking the state of the local header files and syscalls ###
661 dnl ** check for full ANSI header (.h) files
664 dnl ** Enable large file support. NB. do this before testing the type of
665 dnl off_t, because it will affect the result of that test.
668 dnl ** check for specific header (.h) files that we are interested in
669 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
671 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
674 dnl ** do we have long longs?
675 AC_CHECK_TYPES([long long])
677 dnl ** what are the sizes of various types
678 AC_CHECK_SIZEOF(char, 1)
679 AC_CHECK_SIZEOF(double, 8)
680 AC_CHECK_SIZEOF(float, 4)
681 AC_CHECK_SIZEOF(int, 4)
682 AC_CHECK_SIZEOF(long, 4)
683 if test "$ac_cv_type_long_long" = yes; then
684 AC_CHECK_SIZEOF(long long, 8)
686 AC_CHECK_SIZEOF(short, 2)
687 AC_CHECK_SIZEOF(unsigned char, 1)
688 AC_CHECK_SIZEOF(unsigned int, 4)
689 AC_CHECK_SIZEOF(unsigned long, 4)
690 if test "$ac_cv_type_long_long" = yes; then
691 AC_CHECK_SIZEOF(unsigned long long, 8)
693 AC_CHECK_SIZEOF(unsigned short, 2)
694 AC_CHECK_SIZEOF(void *, 4)
696 dnl ** what are alignment constraints on various types
697 FP_CHECK_ALIGNMENT(char)
698 FP_CHECK_ALIGNMENT(double)
699 FP_CHECK_ALIGNMENT(float)
700 FP_CHECK_ALIGNMENT(int)
701 FP_CHECK_ALIGNMENT(long)
702 if test "$ac_cv_type_long_long" = yes; then
703 FP_CHECK_ALIGNMENT(long long)
705 FP_CHECK_ALIGNMENT(short)
706 FP_CHECK_ALIGNMENT(unsigned char)
707 FP_CHECK_ALIGNMENT(unsigned int)
708 FP_CHECK_ALIGNMENT(unsigned long)
709 if test "$ac_cv_type_long_long" = yes; then
710 FP_CHECK_ALIGNMENT(unsigned long long)
712 FP_CHECK_ALIGNMENT(unsigned short)
713 FP_CHECK_ALIGNMENT(void *)
715 FP_CHECK_FUNC([WinExec],
716 [@%:@include <windows.h>], [WinExec("",0)])
718 FP_CHECK_FUNC([GetModuleFileName],
719 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
721 dnl ** check return type of signal handlers
722 dnl Foo: assumes we can use prototypes.
723 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
724 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
725 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
726 dnl #include <signal.h>
730 dnl void (*signal (int, void (*)(int)))(int);
733 dnl [ac_cv_type_signal_handler=void_int],
734 dnl [ac_cv_type_signal_handler=int_void])])
735 dnl if test "$ac_cv_type_signal_handler" = void_int; then
736 dnl AC_DEFINE(VOID_INT_SIGNALS)
739 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
741 if test "$ac_cv_type_signal" = void; then
742 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).])
745 dnl ** check for more functions
746 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
747 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
750 #include <sys/types.h>
751 #include <sys/time.h>
753 struct itimerval tval;
754 tval.it_value.tv_sec = 1;
755 tval.it_value.tv_usec = 0;
756 tval.it_interval = tval.it_value;
757 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
759 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
761 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
762 dnl ** _POSIX_C_SOURCE is defined
763 AC_CHECK_DECLS([ctime_r], , ,
764 [#define _POSIX_SOURCE 1
765 #define _POSIX_C_SOURCE 199506L
768 dnl ** check for mingwex library
769 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
770 AC_SUBST(HaveLibMingwEx)
772 if test $HaveLibMingwEx = YES ; then
773 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
776 dnl ** check for math library
777 dnl Keep that check as early as possible.
778 dnl as we need to know whether we need libm
779 dnl for math functions or not
780 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
781 AC_SEARCH_LIBS(atan, m,
782 [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
784 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
785 dnl the order of these tests matters: bfd needs liberty
786 AC_CHECK_LIB(iberty, xmalloc)
787 AC_CHECK_LIB(bfd, bfd_init)
789 dnl ################################################################
790 dnl Check for libraries
791 dnl ################################################################
793 dnl ** check whether we need -ldl to get dlopen()
795 AC_CHECK_LIB(dl, dlopen,
797 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
802 dnl --------------------------------------------------
803 dnl * Miscellaneous feature tests
804 dnl --------------------------------------------------
806 dnl ** can we get alloca?
809 dnl ** Working vfork?
812 dnl ** determine whether or not const works
815 dnl ** are we big endian?
817 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
819 dnl ** check for leading underscores in symbol names
820 FP_LEADING_UNDERSCORE
822 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
826 dnl ** check for Apple-style dead-stripping support
827 dnl (.subsections-via-symbols assembler directive)
830 AC_MSG_CHECKING(for .subsections_via_symbols)
832 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
834 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
835 [Define to 1 if Apple-style dead-stripping is supported.])
839 dnl *** check for GNU non-executable stack note support (ELF only)
840 dnl (.section .note.GNU-stack,"",@progbits)
842 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
843 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
844 dnl so we empty CFLAGS while running this test
847 AC_MSG_CHECKING(for GNU non-executable stack support)
849 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
851 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
852 [Define to 1 if GNU non-executable stack notes are supported.])
857 dnl ** check for librt
858 AC_CHECK_LIB(rt, clock_gettime)
859 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
860 FP_CHECK_TIMER_CREATE
862 dnl ** check for Apple's "interesting" long double compatibility scheme
863 AC_MSG_CHECKING(for printf\$LDBLStub)
864 AC_TRY_LINK_FUNC(printf\$LDBLStub,
867 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
868 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
872 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
873 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
877 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
878 if test -n "$GTK_CONFIG"; then
879 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
880 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
882 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
886 AC_SUBST([GTK_CONFIG])
889 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
890 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
891 AC_SUBST(HavePapiLib)
892 AC_SUBST(HavePapiHeader)
894 AC_CHECK_FUNCS(__mingw_vfprintf)
896 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
903 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
904 test "$XsltprocCmd" = ""
906 BUILD_DOCBOOK_HTML=NO
908 BUILD_DOCBOOK_HTML=YES
910 AC_SUBST(BUILD_DOCBOOK_HTML)
912 if test "$DblatexCmd" = ""
918 BUILD_DOCBOOK_PDF=YES
920 AC_SUBST(BUILD_DOCBOOK_PS)
921 AC_SUBST(BUILD_DOCBOOK_PDF)
923 LIBRARY_VERSION(base)
924 LIBRARY_VERSION(Cabal)
925 LIBRARY_VERSION(ghc-prim)
926 LIBRARY_ghc_VERSION="$ProjectVersion"
927 AC_SUBST(LIBRARY_ghc_VERSION)
929 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
930 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
933 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 docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
934 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
938 # http://savannah.gnu.org/bugs/index.php?1516
939 # $(eval ...) inside conditionals causes errors
940 # with make 3.80, so warn the user if it looks like they're about to
942 # We would use "grep -q" here, but Solaris's grep doesn't support it.
944 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
947 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
948 echo "This version cannot be used to build GHC."
949 echo "Please use GNU make >= 3.81."
957 ----------------------------------------------------------------------
958 Configure completed successfully.
960 Building GHC version : $ProjectVersion
962 Build platform : $BuildPlatform
963 Host platform : $HostPlatform
964 Target platform : $TargetPlatform
967 if test "$BootingFromHc" = "YES"; then
969 Bootstrapping from HC files.
973 Bootstrapping using : $WithGhc
974 which is version : $GhcVersion
979 Using GCC : $WhatGccIsCalled
980 which is version : $GccVersion
983 Happy : $HappyCmd ($HappyVersion)
984 Alex : $AlexCmd ($AlexVersion)
987 dblatex : $DblatexCmd
988 xsltproc : $XsltprocCmd"]
990 if test "$HSCOLOUR" = ""; then
992 HsColour was not found; documentation will not contain source links
1001 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1002 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1003 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1005 echo ["----------------------------------------------------------------------
1009 For a standard build of GHC (fully optimised with profiling), type (g)make.
1011 To make changes to the default build configuration, copy the file
1012 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1014 For more information on how to configure your GHC build, see
1015 http://hackage.haskell.org/trac/ghc/wiki/Building