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
444 if test "$XCodeVersion1" -eq 3
446 if test "$XCodeVersion2" -lt 2
454 AC_SUBST([SplitObjsBroken])
456 dnl ** Mac OS X: explicit deployment target
457 dnl --------------------------------------------------------------
458 AC_ARG_WITH([macosx-deployment-target],
459 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
460 [Build for Mac OS VERSION and higher (default= version of build host)])],
461 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
462 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
463 # ignore everywhere, but on Mac OS
464 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
465 FP_MACOSX_DEPLOYMENT_TARGET=none
467 [FP_MACOSX_DEPLOYMENT_TARGET=none]
469 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
470 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
471 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
473 dnl --------------------------------------------------------------
474 dnl End of configure script option section
475 dnl --------------------------------------------------------------
478 dnl --------------------------------------------------------------
479 dnl * General configuration checks
480 dnl --------------------------------------------------------------
482 dnl ** Can the unix package be built?
483 dnl --------------------------------------------------------------
485 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
490 AC_SUBST([GhcLibsWithUnix])
495 dnl ** look for `perl'
498 PerlCmd=$hardtop/inplace/perl/perl
501 AC_PATH_PROG(PerlCmd,perl)
502 if test -z "$PerlCmd"
504 echo "You must install perl before you can continue"
505 echo "Perhaps it is already installed, but not in your PATH?"
508 FPTOOLS_CHECK_PERL_VERSION
513 dnl ** does #! path/to/perl work? (sometimes it's too long...)
516 dnl ** check for Python
517 AC_PATH_PROG(PythonCmd,python)
519 dnl ** look for GCC and find out which version
520 dnl Figure out which C compiler to use. Gcc is preferred.
521 dnl If gcc, make sure it's at least 2.1
525 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
526 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
527 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
528 # Stage 3 won't be supported by cross-compilation
529 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
533 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
536 AC_SUBST(CONF_CC_OPTS_STAGE0)
537 AC_SUBST(CONF_CC_OPTS_STAGE1)
538 AC_SUBST(CONF_CC_OPTS_STAGE2)
539 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
540 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
541 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
542 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
543 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
544 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
545 AC_SUBST(CONF_CPP_OPTS_STAGE0)
546 AC_SUBST(CONF_CPP_OPTS_STAGE1)
547 AC_SUBST(CONF_CPP_OPTS_STAGE2)
549 dnl ** figure out how to do context diffs
552 dnl Let's make sure install-sh is executable here. If we got it from
553 dnl a darcs repo, it might not be (see bug #978).
555 dnl ** figure out how to do a BSD-ish install
558 dnl If you can run configure, you certainly have /bin/sh
559 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
561 dnl ** how to invoke `ar' and `ranlib'
562 FP_PROG_AR_SUPPORTS_ATFILE
563 FP_PROG_AR_NEEDS_RANLIB
564 FP_PROG_AR_SUPPORTS_INPUT
566 dnl ** Check to see whether ln -s works
570 dnl ** Find the path to sed
571 AC_PATH_PROGS(SedCmd,gsed sed,sed)
574 dnl ** check for time command
575 AC_PATH_PROG(TimeCmd,time)
578 dnl if GNU tar is named gtar, look for it first.
579 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
581 dnl ** check for patch
582 dnl if GNU patch is named gpatch, look for it first
583 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
585 dnl ** check for dtrace (currently only implemented for Mac OS X)
587 AC_PATH_PROG(DtraceCmd,dtrace)
588 if test -n "$DtraceCmd"; then
589 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
595 AC_PATH_PROG(HSCOLOUR,HsColour)
596 # HsColour is passed to Cabal, so we need a native path
597 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
598 test "${OSTYPE}" != "msys" && \
599 test "${HSCOLOUR}" != ""
601 # Canonicalise to <drive>:/path/to/gcc
602 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
605 dnl ** check for DocBook toolchain
612 dnl ** check for ghc-pkg command
615 dnl ** check for installed happy binary + version
616 dnl (don't do it if we're booting from .hc files though.)
617 if test "$BootingFromHc" = "NO"; then
621 dnl ** check for installed alex binary + version
622 dnl (don't do it if we're booting from .hc files though.)
623 if test "$BootingFromHc" = "NO"; then
627 dnl --------------------------------------------------
628 dnl ### program checking section ends here ###
629 dnl --------------------------------------------------
631 dnl --------------------------------------------------
632 dnl * Platform header file and syscall feature tests
633 dnl ### checking the state of the local header files and syscalls ###
635 dnl ** check for full ANSI header (.h) files
638 dnl ** Enable large file support. NB. do this before testing the type of
639 dnl off_t, because it will affect the result of that test.
642 dnl ** check for specific header (.h) files that we are interested in
643 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
645 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
648 dnl ** do we have long longs?
649 AC_CHECK_TYPES([long long])
651 dnl ** what are the sizes of various types
652 AC_CHECK_SIZEOF(char, 1)
653 AC_CHECK_SIZEOF(double, 8)
654 AC_CHECK_SIZEOF(float, 4)
655 AC_CHECK_SIZEOF(int, 4)
656 AC_CHECK_SIZEOF(long, 4)
657 if test "$ac_cv_type_long_long" = yes; then
658 AC_CHECK_SIZEOF(long long, 8)
660 AC_CHECK_SIZEOF(short, 2)
661 AC_CHECK_SIZEOF(unsigned char, 1)
662 AC_CHECK_SIZEOF(unsigned int, 4)
663 AC_CHECK_SIZEOF(unsigned long, 4)
664 if test "$ac_cv_type_long_long" = yes; then
665 AC_CHECK_SIZEOF(unsigned long long, 8)
667 AC_CHECK_SIZEOF(unsigned short, 2)
668 AC_CHECK_SIZEOF(void *, 4)
670 dnl ** what are alignment constraints on various types
671 FP_CHECK_ALIGNMENT(char)
672 FP_CHECK_ALIGNMENT(double)
673 FP_CHECK_ALIGNMENT(float)
674 FP_CHECK_ALIGNMENT(int)
675 FP_CHECK_ALIGNMENT(long)
676 if test "$ac_cv_type_long_long" = yes; then
677 FP_CHECK_ALIGNMENT(long long)
679 FP_CHECK_ALIGNMENT(short)
680 FP_CHECK_ALIGNMENT(unsigned char)
681 FP_CHECK_ALIGNMENT(unsigned int)
682 FP_CHECK_ALIGNMENT(unsigned long)
683 if test "$ac_cv_type_long_long" = yes; then
684 FP_CHECK_ALIGNMENT(unsigned long long)
686 FP_CHECK_ALIGNMENT(unsigned short)
687 FP_CHECK_ALIGNMENT(void *)
689 FP_CHECK_FUNC([WinExec],
690 [@%:@include <windows.h>], [WinExec("",0)])
692 FP_CHECK_FUNC([GetModuleFileName],
693 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
695 dnl ** check return type of signal handlers
696 dnl Foo: assumes we can use prototypes.
697 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
698 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
699 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
700 dnl #include <signal.h>
704 dnl void (*signal (int, void (*)(int)))(int);
707 dnl [ac_cv_type_signal_handler=void_int],
708 dnl [ac_cv_type_signal_handler=int_void])])
709 dnl if test "$ac_cv_type_signal_handler" = void_int; then
710 dnl AC_DEFINE(VOID_INT_SIGNALS)
713 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
715 if test "$ac_cv_type_signal" = void; then
716 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).])
719 dnl ** check for more functions
720 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
721 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
724 #include <sys/types.h>
725 #include <sys/time.h>
727 struct itimerval tval;
728 tval.it_value.tv_sec = 1;
729 tval.it_value.tv_usec = 0;
730 tval.it_interval = tval.it_value;
731 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
733 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
735 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
736 dnl ** _POSIX_C_SOURCE is defined
737 AC_CHECK_DECLS([ctime_r], , ,
738 [#define _POSIX_SOURCE 1
739 #define _POSIX_C_SOURCE 199506L
742 dnl ** check for mingwex library
743 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
744 AC_SUBST(HaveLibMingwEx)
746 if test $HaveLibMingwEx = YES ; then
747 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
750 dnl ** check for math library
751 dnl Keep that check as early as possible.
752 dnl as we need to know whether we need libm
753 dnl for math functions or not
754 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
755 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
756 if test $HaveLibM = YES
758 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
761 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
762 dnl the order of these tests matters: bfd needs liberty
763 AC_CHECK_LIB(iberty, xmalloc)
764 AC_CHECK_LIB(bfd, bfd_init)
766 dnl ################################################################
767 dnl Check for libraries
768 dnl ################################################################
770 dnl ** check whether we need -ldl to get dlopen()
772 AC_CHECK_LIB(dl, dlopen,
774 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
779 dnl --------------------------------------------------
780 dnl * Miscellaneous feature tests
781 dnl --------------------------------------------------
783 dnl ** can we get alloca?
786 dnl ** Working vfork?
789 dnl ** determine whether or not const works
792 dnl ** are we big endian?
794 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
796 dnl ** check for leading underscores in symbol names
797 FP_LEADING_UNDERSCORE
799 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
803 dnl ** check for Apple-style dead-stripping support
804 dnl (.subsections-via-symbols assembler directive)
807 AC_MSG_CHECKING(for .subsections_via_symbols)
809 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
811 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
812 [Define to 1 if Apple-style dead-stripping is supported.])
816 dnl *** check for GNU non-executable stack note support (ELF only)
817 dnl (.section .note.GNU-stack,"",@progbits)
819 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
820 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
821 dnl so we empty CFLAGS while running this test
824 AC_MSG_CHECKING(for GNU non-executable stack support)
826 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
828 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
829 [Define to 1 if GNU non-executable stack notes are supported.])
836 dnl ** check for librt
837 AC_CHECK_LIB(rt, clock_gettime)
838 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
839 FP_CHECK_TIMER_CREATE
841 dnl ** check for Apple's "interesting" long double compatibility scheme
842 AC_MSG_CHECKING(for printf\$LDBLStub)
843 AC_TRY_LINK_FUNC(printf\$LDBLStub,
846 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
847 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
851 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
852 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
855 dnl ** check for eventfd which is needed by the I/O manager
856 AC_CHECK_HEADERS([sys/eventfd.h])
857 AC_CHECK_FUNCS([eventfd])
860 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
861 if test -n "$GTK_CONFIG"; then
862 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
863 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
865 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
869 AC_SUBST([GTK_CONFIG])
872 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
873 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
874 AC_SUBST(HavePapiLib)
875 AC_SUBST(HavePapiHeader)
877 AC_CHECK_FUNCS(__mingw_vfprintf)
879 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
886 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
887 test "$XsltprocCmd" = ""
889 BUILD_DOCBOOK_HTML=NO
891 BUILD_DOCBOOK_HTML=YES
893 AC_SUBST(BUILD_DOCBOOK_HTML)
895 if test "$DblatexCmd" = ""
901 BUILD_DOCBOOK_PDF=YES
903 AC_SUBST(BUILD_DOCBOOK_PS)
904 AC_SUBST(BUILD_DOCBOOK_PDF)
906 LIBRARY_VERSION(base)
907 LIBRARY_VERSION(Cabal)
908 LIBRARY_VERSION(ghc-prim)
909 LIBRARY_ghc_VERSION="$ProjectVersion"
910 AC_SUBST(LIBRARY_ghc_VERSION)
912 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
913 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
916 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])
917 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
921 # http://savannah.gnu.org/bugs/index.php?1516
922 # $(eval ...) inside conditionals causes errors
923 # with make 3.80, so warn the user if it looks like they're about to
925 # We would use "grep -q" here, but Solaris's grep doesn't support it.
927 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
930 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
931 echo "This version cannot be used to build GHC."
932 echo "Please use GNU make >= 3.81."
940 ----------------------------------------------------------------------
941 Configure completed successfully.
943 Building GHC version : $ProjectVersion
945 Build platform : $BuildPlatform
946 Host platform : $HostPlatform
947 Target platform : $TargetPlatform
950 if test "$BootingFromHc" = "YES"; then
952 Bootstrapping from HC files.
956 Bootstrapping using : $WithGhc
957 which is version : $GhcVersion
962 Using GCC : $WhatGccIsCalled
963 which is version : $GccVersion
966 Happy : $HappyCmd ($HappyVersion)
967 Alex : $AlexCmd ($AlexVersion)
970 dblatex : $DblatexCmd
971 xsltproc : $XsltprocCmd"]
973 if test "$HSCOLOUR" = ""; then
975 HsColour was not found; documentation will not contain source links
984 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
985 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
986 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
988 echo ["----------------------------------------------------------------------
992 For a standard build of GHC (fully optimised with profiling), type (g)make.
994 To make changes to the default build configuration, copy the file
995 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
997 For more information on how to configure your GHC build, see
998 http://hackage.haskell.org/trac/ghc/wiki/Building