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])
93 dnl ** Tell the make system which OS we are using
94 dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something
97 dnl ** Booting from .hc files?
98 dnl --------------------------------------------------------------
99 AC_ARG_ENABLE(hc-boot,
100 [AC_HELP_STRING([--enable-hc-boot],
101 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
102 (This option is mostly of interest to porters.) [default=no]])],
103 [ if test x"$enableval" = x"yes"; then
111 AC_SUBST(BootingFromHc)
113 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
114 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
115 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
116 EnableBootstrapWithDevelSnaphost=YES,
117 EnableBootstrapWithDevelSnaphost=NO
120 if test "$WithGhc" != ""; then
121 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
123 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
124 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
127 AC_SUBST(GhcVersion)dnl
128 AC_SUBST(GhcMajVersion)dnl
129 AC_SUBST(GhcMinVersion)dnl
130 AC_SUBST(GhcPatchLevel)dnl
131 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
132 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
133 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
134 AC_SUBST(ghc_ge_613)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$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],[6.12],
143 [AC_MSG_ERROR([GHC version 6.12 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 FPTOOLS_SET_PLATFORM_VARS
209 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
210 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
217 i386-apple-darwin|powerpc-apple-darwin)
225 # Sync this with cTargetArch in compiler/ghc.mk
228 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
231 echo "Unknown arch $1"
239 dec|unknown|hp|apple|next|sun|sgi|ibm)
242 echo "Unknown vendor $1"
250 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
253 echo "Unknown OS '$1'"
259 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
260 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
261 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
262 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
263 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
265 checkArch "$BuildArch"
266 checkVendor "$BuildVendor"
269 HostPlatform="$HostArch-$HostVendor-$HostOS"
270 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
271 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
272 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
273 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
275 checkArch "$HostArch"
276 checkVendor "$HostVendor"
279 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
280 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
281 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
282 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
283 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
285 checkArch "$TargetArch"
286 checkVendor "$TargetVendor"
289 # Verify that the installed (bootstrap) GHC is capable of generating
290 # code for the requested build platform.
291 if test "$BuildPlatform" != "$bootstrap_target"
293 echo "This GHC (${WithGhc}) does not generate code for the build platform"
294 echo " GHC target platform : $bootstrap_target"
295 echo " Desired build platform : $BuildPlatform"
299 echo "GHC build : $BuildPlatform"
300 echo "GHC host : $HostPlatform"
301 echo "GHC target : $TargetPlatform"
303 AC_SUBST(BuildPlatform)
304 AC_SUBST(HostPlatform)
305 AC_SUBST(TargetPlatform)
306 AC_SUBST(HostPlatform_CPP)
307 AC_SUBST(BuildPlatform_CPP)
308 AC_SUBST(TargetPlatform_CPP)
310 AC_SUBST(HostArch_CPP)
311 AC_SUBST(BuildArch_CPP)
312 AC_SUBST(TargetArch_CPP)
315 AC_SUBST(BuildOS_CPP)
316 AC_SUBST(TargetOS_CPP)
318 AC_SUBST(HostVendor_CPP)
319 AC_SUBST(BuildVendor_CPP)
320 AC_SUBST(TargetVendor_CPP)
326 [AC_HELP_STRING([--with-hc=ARG],
327 [Use ARG as the path to the compiler for compiling ordinary
328 Haskell code (default= value of --with-ghc)])],
334 # This uses GHC, so put it after the "GHC is required" check above:
338 if test "$HostOS" = "mingw32"
340 test -d inplace || mkdir inplace
342 CC="$hardtop/inplace/mingw/bin/gcc.exe"
343 LD="$hardtop/inplace/mingw/bin/ld.exe"
344 NM="$hardtop/inplace/mingw/bin/nm.exe"
345 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
347 # NB. If you update the tarbballs to a new version of gcc, don't
348 # forget to tweak the paths in driver/gcc/gcc.c.
349 if ! test -d inplace/mingw ||
350 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
351 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
352 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
353 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
354 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
355 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
356 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
357 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
358 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
359 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
360 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
362 AC_MSG_NOTICE([Making in-tree mingw tree])
367 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
368 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
369 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
370 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
371 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
372 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
373 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
374 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
375 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
376 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
377 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
378 mv bin/gcc.exe bin/realgcc.exe
380 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
381 if ! test -e inplace/mingw/bin/gcc.exe
383 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
385 AC_MSG_NOTICE([In-tree mingw tree created])
387 if ! test -d inplace/perl ||
388 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
390 AC_MSG_NOTICE([Making in-tree perl tree])
396 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
398 AC_MSG_NOTICE([In-tree perl tree created])
402 dnl ** Which gcc to use?
403 dnl --------------------------------------------------------------
404 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
406 WhatGccIsCalled="$CC"
407 AC_SUBST(WhatGccIsCalled)
409 dnl ** Which ld to use?
410 dnl --------------------------------------------------------------
411 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
415 dnl ** Which nm to use?
416 dnl --------------------------------------------------------------
417 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
422 if test "$TargetOS_CPP" = "darwin"
424 AC_MSG_CHECKING(XCode version)
425 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
426 # Old XCode versions don't actually give the XCode version
427 if test "$XCodeVersion" = ""
429 AC_MSG_RESULT(not found (too old?))
432 AC_MSG_RESULT($XCodeVersion)
433 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
435 XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
437 AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
438 AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
439 # Split objects is broken (#4013) with XCode < 3.2
440 if test "$XCodeVersion1" -lt 3
443 elif test "$XCodeVersion1" -eq 3 && test "$XCodeVersion2" -lt 2
449 AC_SUBST([SplitObjsBroken])
451 dnl ** Mac OS X: explicit deployment target
452 dnl --------------------------------------------------------------
453 AC_ARG_WITH([macosx-deployment-target],
454 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
455 [Build for Mac OS VERSION and higher (default= version of build host)])],
456 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
457 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
458 # ignore everywhere, but on Mac OS
459 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
460 FP_MACOSX_DEPLOYMENT_TARGET=none
462 [FP_MACOSX_DEPLOYMENT_TARGET=none]
464 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
465 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
466 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
468 dnl --------------------------------------------------------------
469 dnl End of configure script option section
470 dnl --------------------------------------------------------------
473 dnl --------------------------------------------------------------
474 dnl * General configuration checks
475 dnl --------------------------------------------------------------
477 dnl ** Can the unix package be built?
478 dnl --------------------------------------------------------------
480 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
485 AC_SUBST([GhcLibsWithUnix])
490 dnl ** look for `perl'
493 PerlCmd=$hardtop/inplace/perl/perl
496 AC_PATH_PROG(PerlCmd,perl)
497 if test -z "$PerlCmd"
499 echo "You must install perl before you can continue"
500 echo "Perhaps it is already installed, but not in your PATH?"
503 FPTOOLS_CHECK_PERL_VERSION
508 dnl ** does #! path/to/perl work? (sometimes it's too long...)
511 dnl ** check for Python
512 AC_PATH_PROG(PythonCmd,python)
514 dnl ** look for GCC and find out which version
515 dnl Figure out which C compiler to use. Gcc is preferred.
516 dnl If gcc, make sure it's at least 2.1
520 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
521 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
522 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
523 # Stage 3 won't be supported by cross-compilation
524 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
528 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
531 AC_SUBST(CONF_CC_OPTS_STAGE0)
532 AC_SUBST(CONF_CC_OPTS_STAGE1)
533 AC_SUBST(CONF_CC_OPTS_STAGE2)
534 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
535 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
536 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
537 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
538 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
539 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
540 AC_SUBST(CONF_CPP_OPTS_STAGE0)
541 AC_SUBST(CONF_CPP_OPTS_STAGE1)
542 AC_SUBST(CONF_CPP_OPTS_STAGE2)
544 dnl ** figure out how to do context diffs
547 dnl Let's make sure install-sh is executable here. If we got it from
548 dnl a darcs repo, it might not be (see bug #978).
550 dnl ** figure out how to do a BSD-ish install
553 dnl If you can run configure, you certainly have /bin/sh
554 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
556 dnl ** how to invoke `ar' and `ranlib'
557 FP_PROG_AR_SUPPORTS_ATFILE
558 FP_PROG_AR_NEEDS_RANLIB
559 FP_PROG_AR_SUPPORTS_INPUT
561 dnl ** Check to see whether ln -s works
565 dnl ** Find the path to sed
566 AC_PATH_PROGS(SedCmd,gsed sed,sed)
569 dnl ** check for time command
570 AC_PATH_PROG(TimeCmd,time)
573 dnl if GNU tar is named gtar, look for it first.
574 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
576 dnl ** check for patch
577 dnl if GNU patch is named gpatch, look for it first
578 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
580 dnl ** check for dtrace (currently only implemented for Mac OS X)
582 AC_PATH_PROG(DtraceCmd,dtrace)
583 if test -n "$DtraceCmd"; then
584 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
590 AC_PATH_PROG(HSCOLOUR,HsColour)
591 # HsColour is passed to Cabal, so we need a native path
592 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
593 test "${OSTYPE}" != "msys" && \
594 test "${HSCOLOUR}" != ""
596 # Canonicalise to <drive>:/path/to/gcc
597 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
600 dnl ** check for DocBook toolchain
607 dnl ** check for ghc-pkg command
610 dnl ** check for installed happy binary + version
611 dnl (don't do it if we're booting from .hc files though.)
612 if test "$BootingFromHc" = "NO"; then
616 dnl ** check for installed alex binary + version
617 dnl (don't do it if we're booting from .hc files though.)
618 if test "$BootingFromHc" = "NO"; then
622 dnl --------------------------------------------------
623 dnl ### program checking section ends here ###
624 dnl --------------------------------------------------
626 dnl --------------------------------------------------
627 dnl * Platform header file and syscall feature tests
628 dnl ### checking the state of the local header files and syscalls ###
630 dnl ** check for full ANSI header (.h) files
633 dnl ** Enable large file support. NB. do this before testing the type of
634 dnl off_t, because it will affect the result of that test.
637 dnl ** check for specific header (.h) files that we are interested in
638 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
640 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
643 dnl ** do we have long longs?
644 AC_CHECK_TYPES([long long])
646 dnl ** what are the sizes of various types
647 AC_CHECK_SIZEOF(char, 1)
648 AC_CHECK_SIZEOF(double, 8)
649 AC_CHECK_SIZEOF(float, 4)
650 AC_CHECK_SIZEOF(int, 4)
651 AC_CHECK_SIZEOF(long, 4)
652 if test "$ac_cv_type_long_long" = yes; then
653 AC_CHECK_SIZEOF(long long, 8)
655 AC_CHECK_SIZEOF(short, 2)
656 AC_CHECK_SIZEOF(unsigned char, 1)
657 AC_CHECK_SIZEOF(unsigned int, 4)
658 AC_CHECK_SIZEOF(unsigned long, 4)
659 if test "$ac_cv_type_long_long" = yes; then
660 AC_CHECK_SIZEOF(unsigned long long, 8)
662 AC_CHECK_SIZEOF(unsigned short, 2)
663 AC_CHECK_SIZEOF(void *, 4)
665 dnl ** what are alignment constraints on various types
666 FP_CHECK_ALIGNMENT(char)
667 FP_CHECK_ALIGNMENT(double)
668 FP_CHECK_ALIGNMENT(float)
669 FP_CHECK_ALIGNMENT(int)
670 FP_CHECK_ALIGNMENT(long)
671 if test "$ac_cv_type_long_long" = yes; then
672 FP_CHECK_ALIGNMENT(long long)
674 FP_CHECK_ALIGNMENT(short)
675 FP_CHECK_ALIGNMENT(unsigned char)
676 FP_CHECK_ALIGNMENT(unsigned int)
677 FP_CHECK_ALIGNMENT(unsigned long)
678 if test "$ac_cv_type_long_long" = yes; then
679 FP_CHECK_ALIGNMENT(unsigned long long)
681 FP_CHECK_ALIGNMENT(unsigned short)
682 FP_CHECK_ALIGNMENT(void *)
684 FP_CHECK_FUNC([WinExec],
685 [@%:@include <windows.h>], [WinExec("",0)])
687 FP_CHECK_FUNC([GetModuleFileName],
688 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
690 dnl ** check return type of signal handlers
691 dnl Foo: assumes we can use prototypes.
692 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
693 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
694 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
695 dnl #include <signal.h>
699 dnl void (*signal (int, void (*)(int)))(int);
702 dnl [ac_cv_type_signal_handler=void_int],
703 dnl [ac_cv_type_signal_handler=int_void])])
704 dnl if test "$ac_cv_type_signal_handler" = void_int; then
705 dnl AC_DEFINE(VOID_INT_SIGNALS)
708 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
710 if test "$ac_cv_type_signal" = void; then
711 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).])
714 dnl ** check for more functions
715 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
716 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
719 #include <sys/types.h>
720 #include <sys/time.h>
722 struct itimerval tval;
723 tval.it_value.tv_sec = 1;
724 tval.it_value.tv_usec = 0;
725 tval.it_interval = tval.it_value;
726 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
728 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
730 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
731 dnl ** _POSIX_C_SOURCE is defined
732 AC_CHECK_DECLS([ctime_r], , ,
733 [#define _POSIX_SOURCE 1
734 #define _POSIX_C_SOURCE 199506L
737 dnl ** check for mingwex library
738 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
739 AC_SUBST(HaveLibMingwEx)
741 if test $HaveLibMingwEx = YES ; then
742 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
745 dnl ** check for math library
746 dnl Keep that check as early as possible.
747 dnl as we need to know whether we need libm
748 dnl for math functions or not
749 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
750 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
751 if test $HaveLibM = YES
753 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
756 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
757 dnl the order of these tests matters: bfd needs liberty
758 AC_CHECK_LIB(iberty, xmalloc)
759 AC_CHECK_LIB(bfd, bfd_init)
761 dnl ################################################################
762 dnl Check for libraries
763 dnl ################################################################
765 dnl ** check whether we need -ldl to get dlopen()
767 AC_CHECK_LIB(dl, dlopen,
769 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
774 dnl --------------------------------------------------
775 dnl * Miscellaneous feature tests
776 dnl --------------------------------------------------
778 dnl ** can we get alloca?
781 dnl ** Working vfork?
784 dnl ** determine whether or not const works
787 dnl ** are we big endian?
789 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
791 dnl ** check for leading underscores in symbol names
792 FP_LEADING_UNDERSCORE
794 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
798 dnl ** check for Apple-style dead-stripping support
799 dnl (.subsections-via-symbols assembler directive)
802 AC_MSG_CHECKING(for .subsections_via_symbols)
804 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
806 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
807 [Define to 1 if Apple-style dead-stripping is supported.])
811 dnl *** check for GNU non-executable stack note support (ELF only)
812 dnl (.section .note.GNU-stack,"",@progbits)
814 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
815 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
816 dnl so we empty CFLAGS while running this test
819 AC_MSG_CHECKING(for GNU non-executable stack support)
821 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
823 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
824 [Define to 1 if GNU non-executable stack notes are supported.])
831 dnl ** check for librt
832 AC_CHECK_LIB(rt, clock_gettime)
833 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
834 FP_CHECK_TIMER_CREATE
836 dnl ** check for Apple's "interesting" long double compatibility scheme
837 AC_MSG_CHECKING(for printf\$LDBLStub)
838 AC_TRY_LINK_FUNC(printf\$LDBLStub,
841 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
842 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
846 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
847 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
850 dnl ** check for eventfd which is needed by the I/O manager
851 AC_CHECK_HEADERS([sys/eventfd.h])
852 AC_CHECK_FUNCS([eventfd])
855 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
856 if test -n "$GTK_CONFIG"; then
857 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
858 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
860 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
864 AC_SUBST([GTK_CONFIG])
867 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
868 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
869 AC_SUBST(HavePapiLib)
870 AC_SUBST(HavePapiHeader)
872 AC_CHECK_FUNCS(__mingw_vfprintf)
874 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
881 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
882 test "$XsltprocCmd" = ""
884 BUILD_DOCBOOK_HTML=NO
886 BUILD_DOCBOOK_HTML=YES
888 AC_SUBST(BUILD_DOCBOOK_HTML)
890 if test "$DblatexCmd" = ""
896 BUILD_DOCBOOK_PDF=YES
898 AC_SUBST(BUILD_DOCBOOK_PS)
899 AC_SUBST(BUILD_DOCBOOK_PDF)
901 LIBRARY_VERSION(base)
902 LIBRARY_VERSION(Cabal)
903 LIBRARY_VERSION(ghc-prim)
904 LIBRARY_ghc_VERSION="$ProjectVersion"
905 AC_SUBST(LIBRARY_ghc_VERSION)
907 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
908 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
911 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])
912 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
916 # http://savannah.gnu.org/bugs/index.php?1516
917 # $(eval ...) inside conditionals causes errors
918 # with make 3.80, so warn the user if it looks like they're about to
920 # We would use "grep -q" here, but Solaris's grep doesn't support it.
922 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
925 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
926 echo "This version cannot be used to build GHC."
927 echo "Please use GNU make >= 3.81."
935 ----------------------------------------------------------------------
936 Configure completed successfully.
938 Building GHC version : $ProjectVersion
940 Build platform : $BuildPlatform
941 Host platform : $HostPlatform
942 Target platform : $TargetPlatform
945 if test "$BootingFromHc" = "YES"; then
947 Bootstrapping from HC files.
951 Bootstrapping using : $WithGhc
952 which is version : $GhcVersion
957 Using GCC : $WhatGccIsCalled
958 which is version : $GccVersion
961 Happy : $HappyCmd ($HappyVersion)
962 Alex : $AlexCmd ($AlexVersion)
965 dblatex : $DblatexCmd
966 xsltproc : $XsltprocCmd"]
968 if test "$HSCOLOUR" = ""; then
970 HsColour was not found; documentation will not contain source links
979 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
980 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
981 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
983 echo ["----------------------------------------------------------------------
987 For a standard build of GHC (fully optimised with profiling), type (g)make.
989 To make changes to the default build configuration, copy the file
990 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
992 For more information on how to configure your GHC build, see
993 http://hackage.haskell.org/trac/ghc/wiki/Building