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="$hardtop/inplace/mingw/bin/ar.exe"
396 if ! test -d inplace/mingw ||
397 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
398 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
399 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
400 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
401 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
402 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
403 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
404 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
405 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
406 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
408 AC_MSG_NOTICE([Making in-tree mingw tree])
413 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
414 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
415 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
416 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
417 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
418 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
419 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
420 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
421 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
422 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
423 mv bin/gcc.exe bin/realgcc.exe
425 PATH=`pwd`/inplace/mingw/bin:$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
426 if ! test -e inplace/mingw/bin/gcc.exe
428 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
430 AC_MSG_NOTICE([In-tree mingw tree created])
432 if ! test -d inplace/perl ||
433 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
435 AC_MSG_NOTICE([Making in-tree perl tree])
441 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
443 AC_MSG_NOTICE([In-tree perl tree created])
447 dnl ** Which gcc to use?
448 dnl --------------------------------------------------------------
449 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
451 WhatGccIsCalled="$CC"
452 AC_SUBST(WhatGccIsCalled)
454 dnl ** Which ld to use?
455 dnl --------------------------------------------------------------
456 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
460 dnl ** Which nm to use?
461 dnl --------------------------------------------------------------
462 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
466 dnl ** Mac OS X: explicit deployment target
467 dnl --------------------------------------------------------------
468 AC_ARG_WITH([macosx-deployment-target],
469 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
470 [Build for Mac OS VERSION and higher (default= version of build host)])],
471 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
472 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
473 # ignore everywhere, but on Mac OS
474 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
475 FP_MACOSX_DEPLOYMENT_TARGET=none
477 [FP_MACOSX_DEPLOYMENT_TARGET=none]
479 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
480 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
481 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
483 dnl --------------------------------------------------------------
484 dnl End of configure script option section
485 dnl --------------------------------------------------------------
488 dnl --------------------------------------------------------------
489 dnl * General configuration checks
490 dnl --------------------------------------------------------------
492 dnl ** Can the unix package be built?
493 dnl --------------------------------------------------------------
495 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
500 AC_SUBST([GhcLibsWithUnix])
505 dnl ** look for `perl'
508 PerlCmd=$hardtop/inplace/perl/perl
511 AC_PATH_PROG(PerlCmd,perl)
512 if test -z "$PerlCmd"
514 echo "You must install perl before you can continue"
515 echo "Perhaps it is already installed, but not in your PATH?"
518 FPTOOLS_CHECK_PERL_VERSION
523 dnl ** does #! path/to/perl work? (sometimes it's too long...)
526 dnl ** check for Python
527 AC_PATH_PROG(PythonCmd,python)
529 dnl ** look for GCC and find out which version
530 dnl Figure out which C compiler to use. Gcc is preferred.
531 dnl If gcc, make sure it's at least 2.1
535 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[CPPFLAGS])
536 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
537 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
538 # Stage 3 won't be supported by cross-compilation
539 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
543 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
546 AC_SUBST(CONF_CC_OPTS_STAGE0)
547 AC_SUBST(CONF_CC_OPTS_STAGE1)
548 AC_SUBST(CONF_CC_OPTS_STAGE2)
549 AC_SUBST(CONF_LD_OPTS_STAGE0)
550 AC_SUBST(CONF_LD_OPTS_STAGE1)
551 AC_SUBST(CONF_LD_OPTS_STAGE2)
552 AC_SUBST(CONF_CPP_OPTS_STAGE0)
553 AC_SUBST(CONF_CPP_OPTS_STAGE1)
554 AC_SUBST(CONF_CPP_OPTS_STAGE2)
556 dnl ** figure out how to do context diffs
559 dnl Let's make sure install-sh is executable here. If we got it from
560 dnl a darcs repo, it might not be (see bug #978).
562 dnl ** figure out how to do a BSD-ish install
565 dnl If you can run configure, you certainly have /bin/sh
566 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
568 dnl ** how to invoke `ar' and `ranlib'
569 FP_PROG_AR_SUPPORTS_ATFILE
570 FP_PROG_AR_NEEDS_RANLIB
571 FP_PROG_AR_SUPPORTS_INPUT
573 dnl ** Check to see whether ln -s works
577 dnl ** Find the path to sed
578 AC_PATH_PROGS(SedCmd,gsed sed,sed)
581 dnl ** check for time command
582 AC_PATH_PROG(TimeCmd,time)
585 dnl if GNU tar is named gtar, look for it first.
586 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
588 dnl ** check for patch
589 dnl if GNU patch is named gpatch, look for it first
590 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
592 dnl ** check for dtrace (currently only implemented for Mac OS X)
594 AC_PATH_PROG(DtraceCmd,dtrace)
595 if test -n "$DtraceCmd"; then
596 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
602 AC_PATH_PROG(HSCOLOUR,HsColour)
603 # HsColour is passed to Cabal, so we need a native path
604 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
605 test "${OSTYPE}" != "msys" && \
606 test "${HSCOLOUR}" != ""
608 # Canonicalise to <drive>:/path/to/gcc
609 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
612 dnl ** check for DocBook toolchain
619 dnl ** check for ghc-pkg command
622 dnl ** check for installed happy binary + version
623 dnl (don't do it if we're booting from .hc files though.)
624 if test "$BootingFromHc" = "NO"; then
628 dnl ** check for installed alex binary + version
629 dnl (don't do it if we're booting from .hc files though.)
630 if test "$BootingFromHc" = "NO"; then
634 dnl --------------------------------------------------
635 dnl ### program checking section ends here ###
636 dnl --------------------------------------------------
638 dnl --------------------------------------------------
639 dnl * Platform header file and syscall feature tests
640 dnl ### checking the state of the local header files and syscalls ###
642 dnl ** check for full ANSI header (.h) files
645 dnl ** Enable large file support. NB. do this before testing the type of
646 dnl off_t, because it will affect the result of that test.
649 dnl ** check for specific header (.h) files that we are interested in
650 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
652 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
655 dnl ** do we have long longs?
656 AC_CHECK_TYPES([long long])
658 dnl ** what are the sizes of various types
659 AC_CHECK_SIZEOF(char, 1)
660 AC_CHECK_SIZEOF(double, 8)
661 AC_CHECK_SIZEOF(float, 4)
662 AC_CHECK_SIZEOF(int, 4)
663 AC_CHECK_SIZEOF(long, 4)
664 if test "$ac_cv_type_long_long" = yes; then
665 AC_CHECK_SIZEOF(long long, 8)
667 AC_CHECK_SIZEOF(short, 2)
668 AC_CHECK_SIZEOF(unsigned char, 1)
669 AC_CHECK_SIZEOF(unsigned int, 4)
670 AC_CHECK_SIZEOF(unsigned long, 4)
671 if test "$ac_cv_type_long_long" = yes; then
672 AC_CHECK_SIZEOF(unsigned long long, 8)
674 AC_CHECK_SIZEOF(unsigned short, 2)
675 AC_CHECK_SIZEOF(void *, 4)
677 dnl ** what are alignment constraints on various types
678 FP_CHECK_ALIGNMENT(char)
679 FP_CHECK_ALIGNMENT(double)
680 FP_CHECK_ALIGNMENT(float)
681 FP_CHECK_ALIGNMENT(int)
682 FP_CHECK_ALIGNMENT(long)
683 if test "$ac_cv_type_long_long" = yes; then
684 FP_CHECK_ALIGNMENT(long long)
686 FP_CHECK_ALIGNMENT(short)
687 FP_CHECK_ALIGNMENT(unsigned char)
688 FP_CHECK_ALIGNMENT(unsigned int)
689 FP_CHECK_ALIGNMENT(unsigned long)
690 if test "$ac_cv_type_long_long" = yes; then
691 FP_CHECK_ALIGNMENT(unsigned long long)
693 FP_CHECK_ALIGNMENT(unsigned short)
694 FP_CHECK_ALIGNMENT(void *)
696 FP_CHECK_FUNC([WinExec],
697 [@%:@include <windows.h>], [WinExec("",0)])
699 FP_CHECK_FUNC([GetModuleFileName],
700 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
702 dnl ** check return type of signal handlers
703 dnl Foo: assumes we can use prototypes.
704 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
705 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
706 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
707 dnl #include <signal.h>
711 dnl void (*signal (int, void (*)(int)))(int);
714 dnl [ac_cv_type_signal_handler=void_int],
715 dnl [ac_cv_type_signal_handler=int_void])])
716 dnl if test "$ac_cv_type_signal_handler" = void_int; then
717 dnl AC_DEFINE(VOID_INT_SIGNALS)
720 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
722 if test "$ac_cv_type_signal" = void; then
723 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).])
726 dnl ** check for more functions
727 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
728 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
731 #include <sys/types.h>
732 #include <sys/time.h>
734 struct itimerval tval;
735 tval.it_value.tv_sec = 1;
736 tval.it_value.tv_usec = 0;
737 tval.it_interval = tval.it_value;
738 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
740 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
742 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
743 dnl ** _POSIX_C_SOURCE is defined
744 AC_CHECK_DECLS([ctime_r], , ,
745 [#define _POSIX_SOURCE 1
746 #define _POSIX_C_SOURCE 199506L
749 dnl ** check for mingwex library
750 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
751 AC_SUBST(HaveLibMingwEx)
753 if test $HaveLibMingwEx = YES ; then
754 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
757 dnl ** check for math library
758 dnl Keep that check as early as possible.
759 dnl as we need to know whether we need libm
760 dnl for math functions or not
761 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
762 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
763 if test $HaveLibM = YES
765 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
768 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
769 dnl the order of these tests matters: bfd needs liberty
770 AC_CHECK_LIB(iberty, xmalloc)
771 AC_CHECK_LIB(bfd, bfd_init)
773 dnl ################################################################
774 dnl Check for libraries
775 dnl ################################################################
777 dnl ** check whether we need -ldl to get dlopen()
779 AC_CHECK_LIB(dl, dlopen,
781 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
786 dnl --------------------------------------------------
787 dnl * Miscellaneous feature tests
788 dnl --------------------------------------------------
790 dnl ** can we get alloca?
793 dnl ** Working vfork?
796 dnl ** determine whether or not const works
799 dnl ** are we big endian?
801 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
803 dnl ** check for leading underscores in symbol names
804 FP_LEADING_UNDERSCORE
806 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
810 dnl ** check for Apple-style dead-stripping support
811 dnl (.subsections-via-symbols assembler directive)
814 AC_MSG_CHECKING(for .subsections_via_symbols)
816 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
818 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
819 [Define to 1 if Apple-style dead-stripping is supported.])
823 dnl *** check for GNU non-executable stack note support (ELF only)
824 dnl (.section .note.GNU-stack,"",@progbits)
826 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
827 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
828 dnl so we empty CFLAGS while running this test
831 AC_MSG_CHECKING(for GNU non-executable stack support)
833 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
835 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
836 [Define to 1 if GNU non-executable stack notes are supported.])
843 dnl ** check for librt
844 AC_CHECK_LIB(rt, clock_gettime)
845 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
846 FP_CHECK_TIMER_CREATE
848 dnl ** check for Apple's "interesting" long double compatibility scheme
849 AC_MSG_CHECKING(for printf\$LDBLStub)
850 AC_TRY_LINK_FUNC(printf\$LDBLStub,
853 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
854 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
858 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
859 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
862 dnl ** check for eventfd which is needed by the I/O manager
863 AC_CHECK_HEADERS([sys/eventfd.h])
864 AC_CHECK_FUNCS([eventfd])
867 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
868 if test -n "$GTK_CONFIG"; then
869 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
870 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
872 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
876 AC_SUBST([GTK_CONFIG])
879 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
880 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
881 AC_SUBST(HavePapiLib)
882 AC_SUBST(HavePapiHeader)
884 AC_CHECK_FUNCS(__mingw_vfprintf)
886 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
893 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
894 test "$XsltprocCmd" = ""
896 BUILD_DOCBOOK_HTML=NO
898 BUILD_DOCBOOK_HTML=YES
900 AC_SUBST(BUILD_DOCBOOK_HTML)
902 if test "$DblatexCmd" = ""
908 BUILD_DOCBOOK_PDF=YES
910 AC_SUBST(BUILD_DOCBOOK_PS)
911 AC_SUBST(BUILD_DOCBOOK_PDF)
913 LIBRARY_VERSION(base)
914 LIBRARY_VERSION(Cabal)
915 LIBRARY_VERSION(ghc-prim)
916 LIBRARY_ghc_VERSION="$ProjectVersion"
917 AC_SUBST(LIBRARY_ghc_VERSION)
919 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
920 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
923 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])
924 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
928 # http://savannah.gnu.org/bugs/index.php?1516
929 # $(eval ...) inside conditionals causes errors
930 # with make 3.80, so warn the user if it looks like they're about to
932 # We would use "grep -q" here, but Solaris's grep doesn't support it.
934 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
937 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
938 echo "This version cannot be used to build GHC."
939 echo "Please use GNU make >= 3.81."
947 ----------------------------------------------------------------------
948 Configure completed successfully.
950 Building GHC version : $ProjectVersion
952 Build platform : $BuildPlatform
953 Host platform : $HostPlatform
954 Target platform : $TargetPlatform
957 if test "$BootingFromHc" = "YES"; then
959 Bootstrapping from HC files.
963 Bootstrapping using : $WithGhc
964 which is version : $GhcVersion
969 Using GCC : $WhatGccIsCalled
970 which is version : $GccVersion
973 Happy : $HappyCmd ($HappyVersion)
974 Alex : $AlexCmd ($AlexVersion)
977 dblatex : $DblatexCmd
978 xsltproc : $XsltprocCmd"]
980 if test "$HSCOLOUR" = ""; then
982 HsColour was not found; documentation will not contain source links
991 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
992 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
993 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
995 echo ["----------------------------------------------------------------------
999 For a standard build of GHC (fully optimised with profiling), type (g)make.
1001 To make changes to the default build configuration, copy the file
1002 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1004 For more information on how to configure your GHC build, see
1005 http://hackage.haskell.org/trac/ghc/wiki/Building