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 "$build" != "$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 : $BuildPlatform"
299 AC_SUBST(BuildPlatform)
300 AC_SUBST(HostPlatform)
301 AC_SUBST(TargetPlatform)
302 AC_SUBST(HostPlatform_CPP)
303 AC_SUBST(BuildPlatform_CPP)
304 AC_SUBST(TargetPlatform_CPP)
306 AC_SUBST(HostArch_CPP)
307 AC_SUBST(BuildArch_CPP)
308 AC_SUBST(TargetArch_CPP)
311 AC_SUBST(BuildOS_CPP)
312 AC_SUBST(TargetOS_CPP)
314 AC_SUBST(HostVendor_CPP)
315 AC_SUBST(BuildVendor_CPP)
316 AC_SUBST(TargetVendor_CPP)
322 [AC_HELP_STRING([--with-hc=ARG],
323 [Use ARG as the path to the compiler for compiling ordinary
324 Haskell code (default= value of --with-ghc)])],
330 # This uses GHC, so put it after the "GHC is required" check above:
334 if test "$HostOS" = "mingw32"
336 test -d inplace || mkdir inplace
338 CC="$hardtop/inplace/mingw/bin/gcc.exe"
339 LD="$hardtop/inplace/mingw/bin/ld.exe"
340 NM="$hardtop/inplace/mingw/bin/nm.exe"
341 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
343 # NB. If you update the tarbballs to a new version of gcc, don't
344 # forget to tweak the paths in driver/gcc/gcc.c.
345 if ! test -d inplace/mingw ||
346 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
347 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
348 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
349 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
350 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
351 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
352 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
353 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
354 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
355 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
356 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
358 AC_MSG_NOTICE([Making in-tree mingw tree])
363 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
364 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
365 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
366 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
367 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
368 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
369 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
370 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
371 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
372 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
373 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
374 mv bin/gcc.exe bin/realgcc.exe
376 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
377 if ! test -e inplace/mingw/bin/gcc.exe
379 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
381 AC_MSG_NOTICE([In-tree mingw tree created])
383 if ! test -d inplace/perl ||
384 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
386 AC_MSG_NOTICE([Making in-tree perl tree])
392 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
394 AC_MSG_NOTICE([In-tree perl tree created])
398 dnl ** Which gcc to use?
399 dnl --------------------------------------------------------------
400 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
402 WhatGccIsCalled="$CC"
403 AC_SUBST(WhatGccIsCalled)
405 dnl ** Which ld to use?
406 dnl --------------------------------------------------------------
407 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
411 dnl ** Which nm to use?
412 dnl --------------------------------------------------------------
413 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
418 if test "$TargetOS_CPP" = "darwin"
420 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
421 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
422 XCodeVersion2=`echo "$XCodeVersion" | sed 's/.*\.//'`
423 # Old XCode versions don't actually give the XCode version
424 if test "$XCodeVersion" = ""
428 # Split objects is broken (#4013) with XCode < 3.2
429 if test "$XCodeVersion1" -lt 3
433 if test "$XCodeVersion1" -eq 3 && test "$XCodeVersion2" -lt 2
438 AC_SUBST([SplitObjsBroken])
440 dnl ** Mac OS X: explicit deployment target
441 dnl --------------------------------------------------------------
442 AC_ARG_WITH([macosx-deployment-target],
443 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
444 [Build for Mac OS VERSION and higher (default= version of build host)])],
445 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
446 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
447 # ignore everywhere, but on Mac OS
448 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
449 FP_MACOSX_DEPLOYMENT_TARGET=none
451 [FP_MACOSX_DEPLOYMENT_TARGET=none]
453 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
454 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
455 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
457 dnl --------------------------------------------------------------
458 dnl End of configure script option section
459 dnl --------------------------------------------------------------
462 dnl --------------------------------------------------------------
463 dnl * General configuration checks
464 dnl --------------------------------------------------------------
466 dnl ** Can the unix package be built?
467 dnl --------------------------------------------------------------
469 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
474 AC_SUBST([GhcLibsWithUnix])
479 dnl ** look for `perl'
482 PerlCmd=$hardtop/inplace/perl/perl
485 AC_PATH_PROG(PerlCmd,perl)
486 if test -z "$PerlCmd"
488 echo "You must install perl before you can continue"
489 echo "Perhaps it is already installed, but not in your PATH?"
492 FPTOOLS_CHECK_PERL_VERSION
497 dnl ** does #! path/to/perl work? (sometimes it's too long...)
500 dnl ** check for Python
501 AC_PATH_PROG(PythonCmd,python)
503 dnl ** look for GCC and find out which version
504 dnl Figure out which C compiler to use. Gcc is preferred.
505 dnl If gcc, make sure it's at least 2.1
509 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
510 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
511 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
512 # Stage 3 won't be supported by cross-compilation
513 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
517 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
520 AC_SUBST(CONF_CC_OPTS_STAGE0)
521 AC_SUBST(CONF_CC_OPTS_STAGE1)
522 AC_SUBST(CONF_CC_OPTS_STAGE2)
523 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
524 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
525 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
526 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
527 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
528 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
529 AC_SUBST(CONF_CPP_OPTS_STAGE0)
530 AC_SUBST(CONF_CPP_OPTS_STAGE1)
531 AC_SUBST(CONF_CPP_OPTS_STAGE2)
533 dnl ** figure out how to do context diffs
536 dnl Let's make sure install-sh is executable here. If we got it from
537 dnl a darcs repo, it might not be (see bug #978).
539 dnl ** figure out how to do a BSD-ish install
542 dnl If you can run configure, you certainly have /bin/sh
543 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
545 dnl ** how to invoke `ar' and `ranlib'
546 FP_PROG_AR_SUPPORTS_ATFILE
547 FP_PROG_AR_NEEDS_RANLIB
548 FP_PROG_AR_SUPPORTS_INPUT
550 dnl ** Check to see whether ln -s works
554 dnl ** Find the path to sed
555 AC_PATH_PROGS(SedCmd,gsed sed,sed)
558 dnl ** check for time command
559 AC_PATH_PROG(TimeCmd,time)
562 dnl if GNU tar is named gtar, look for it first.
563 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
565 dnl ** check for patch
566 dnl if GNU patch is named gpatch, look for it first
567 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
569 dnl ** check for dtrace (currently only implemented for Mac OS X)
571 AC_PATH_PROG(DtraceCmd,dtrace)
572 if test -n "$DtraceCmd"; then
573 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
579 AC_PATH_PROG(HSCOLOUR,HsColour)
580 # HsColour is passed to Cabal, so we need a native path
581 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
582 test "${OSTYPE}" != "msys" && \
583 test "${HSCOLOUR}" != ""
585 # Canonicalise to <drive>:/path/to/gcc
586 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
589 dnl ** check for DocBook toolchain
596 dnl ** check for ghc-pkg command
599 dnl ** check for installed happy binary + version
600 dnl (don't do it if we're booting from .hc files though.)
601 if test "$BootingFromHc" = "NO"; then
605 dnl ** check for installed alex binary + version
606 dnl (don't do it if we're booting from .hc files though.)
607 if test "$BootingFromHc" = "NO"; then
611 dnl --------------------------------------------------
612 dnl ### program checking section ends here ###
613 dnl --------------------------------------------------
615 dnl --------------------------------------------------
616 dnl * Platform header file and syscall feature tests
617 dnl ### checking the state of the local header files and syscalls ###
619 dnl ** check for full ANSI header (.h) files
622 dnl ** Enable large file support. NB. do this before testing the type of
623 dnl off_t, because it will affect the result of that test.
626 dnl ** check for specific header (.h) files that we are interested in
627 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
629 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
632 dnl ** do we have long longs?
633 AC_CHECK_TYPES([long long])
635 dnl ** what are the sizes of various types
636 AC_CHECK_SIZEOF(char, 1)
637 AC_CHECK_SIZEOF(double, 8)
638 AC_CHECK_SIZEOF(float, 4)
639 AC_CHECK_SIZEOF(int, 4)
640 AC_CHECK_SIZEOF(long, 4)
641 if test "$ac_cv_type_long_long" = yes; then
642 AC_CHECK_SIZEOF(long long, 8)
644 AC_CHECK_SIZEOF(short, 2)
645 AC_CHECK_SIZEOF(unsigned char, 1)
646 AC_CHECK_SIZEOF(unsigned int, 4)
647 AC_CHECK_SIZEOF(unsigned long, 4)
648 if test "$ac_cv_type_long_long" = yes; then
649 AC_CHECK_SIZEOF(unsigned long long, 8)
651 AC_CHECK_SIZEOF(unsigned short, 2)
652 AC_CHECK_SIZEOF(void *, 4)
654 dnl ** what are alignment constraints on various types
655 FP_CHECK_ALIGNMENT(char)
656 FP_CHECK_ALIGNMENT(double)
657 FP_CHECK_ALIGNMENT(float)
658 FP_CHECK_ALIGNMENT(int)
659 FP_CHECK_ALIGNMENT(long)
660 if test "$ac_cv_type_long_long" = yes; then
661 FP_CHECK_ALIGNMENT(long long)
663 FP_CHECK_ALIGNMENT(short)
664 FP_CHECK_ALIGNMENT(unsigned char)
665 FP_CHECK_ALIGNMENT(unsigned int)
666 FP_CHECK_ALIGNMENT(unsigned long)
667 if test "$ac_cv_type_long_long" = yes; then
668 FP_CHECK_ALIGNMENT(unsigned long long)
670 FP_CHECK_ALIGNMENT(unsigned short)
671 FP_CHECK_ALIGNMENT(void *)
673 FP_CHECK_FUNC([WinExec],
674 [@%:@include <windows.h>], [WinExec("",0)])
676 FP_CHECK_FUNC([GetModuleFileName],
677 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
679 dnl ** check return type of signal handlers
680 dnl Foo: assumes we can use prototypes.
681 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
682 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
683 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
684 dnl #include <signal.h>
688 dnl void (*signal (int, void (*)(int)))(int);
691 dnl [ac_cv_type_signal_handler=void_int],
692 dnl [ac_cv_type_signal_handler=int_void])])
693 dnl if test "$ac_cv_type_signal_handler" = void_int; then
694 dnl AC_DEFINE(VOID_INT_SIGNALS)
697 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
699 if test "$ac_cv_type_signal" = void; then
700 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).])
703 dnl ** check for more functions
704 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
705 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
708 #include <sys/types.h>
709 #include <sys/time.h>
711 struct itimerval tval;
712 tval.it_value.tv_sec = 1;
713 tval.it_value.tv_usec = 0;
714 tval.it_interval = tval.it_value;
715 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
717 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
719 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
720 dnl ** _POSIX_C_SOURCE is defined
721 AC_CHECK_DECLS([ctime_r], , ,
722 [#define _POSIX_SOURCE 1
723 #define _POSIX_C_SOURCE 199506L
726 dnl ** check for mingwex library
727 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
728 AC_SUBST(HaveLibMingwEx)
730 if test $HaveLibMingwEx = YES ; then
731 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
734 dnl ** check for math library
735 dnl Keep that check as early as possible.
736 dnl as we need to know whether we need libm
737 dnl for math functions or not
738 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
739 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
740 if test $HaveLibM = YES
742 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
745 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
746 dnl the order of these tests matters: bfd needs liberty
747 AC_CHECK_LIB(iberty, xmalloc)
748 AC_CHECK_LIB(bfd, bfd_init)
750 dnl ################################################################
751 dnl Check for libraries
752 dnl ################################################################
754 dnl ** check whether we need -ldl to get dlopen()
756 AC_CHECK_LIB(dl, dlopen,
758 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
763 dnl --------------------------------------------------
764 dnl * Miscellaneous feature tests
765 dnl --------------------------------------------------
767 dnl ** can we get alloca?
770 dnl ** Working vfork?
773 dnl ** determine whether or not const works
776 dnl ** are we big endian?
778 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
780 dnl ** check for leading underscores in symbol names
781 FP_LEADING_UNDERSCORE
783 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
787 dnl ** check for Apple-style dead-stripping support
788 dnl (.subsections-via-symbols assembler directive)
791 AC_MSG_CHECKING(for .subsections_via_symbols)
793 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
795 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
796 [Define to 1 if Apple-style dead-stripping is supported.])
800 dnl *** check for GNU non-executable stack note support (ELF only)
801 dnl (.section .note.GNU-stack,"",@progbits)
803 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
804 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
805 dnl so we empty CFLAGS while running this test
808 AC_MSG_CHECKING(for GNU non-executable stack support)
810 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
812 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
813 [Define to 1 if GNU non-executable stack notes are supported.])
820 dnl ** check for librt
821 AC_CHECK_LIB(rt, clock_gettime)
822 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
823 FP_CHECK_TIMER_CREATE
825 dnl ** check for Apple's "interesting" long double compatibility scheme
826 AC_MSG_CHECKING(for printf\$LDBLStub)
827 AC_TRY_LINK_FUNC(printf\$LDBLStub,
830 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
831 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
835 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
836 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
839 dnl ** check for eventfd which is needed by the I/O manager
840 AC_CHECK_HEADERS([sys/eventfd.h])
841 AC_CHECK_FUNCS([eventfd])
844 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
845 if test -n "$GTK_CONFIG"; then
846 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
847 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
849 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
853 AC_SUBST([GTK_CONFIG])
856 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
857 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
858 AC_SUBST(HavePapiLib)
859 AC_SUBST(HavePapiHeader)
861 AC_CHECK_FUNCS(__mingw_vfprintf)
863 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
870 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
871 test "$XsltprocCmd" = ""
873 BUILD_DOCBOOK_HTML=NO
875 BUILD_DOCBOOK_HTML=YES
877 AC_SUBST(BUILD_DOCBOOK_HTML)
879 if test "$DblatexCmd" = ""
885 BUILD_DOCBOOK_PDF=YES
887 AC_SUBST(BUILD_DOCBOOK_PS)
888 AC_SUBST(BUILD_DOCBOOK_PDF)
890 LIBRARY_VERSION(base)
891 LIBRARY_VERSION(Cabal)
892 LIBRARY_VERSION(ghc-prim)
893 LIBRARY_ghc_VERSION="$ProjectVersion"
894 AC_SUBST(LIBRARY_ghc_VERSION)
896 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
897 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
900 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])
901 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
905 # http://savannah.gnu.org/bugs/index.php?1516
906 # $(eval ...) inside conditionals causes errors
907 # with make 3.80, so warn the user if it looks like they're about to
909 # We would use "grep -q" here, but Solaris's grep doesn't support it.
911 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
914 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
915 echo "This version cannot be used to build GHC."
916 echo "Please use GNU make >= 3.81."
924 ----------------------------------------------------------------------
925 Configure completed successfully.
927 Building GHC version : $ProjectVersion
929 Build platform : $BuildPlatform
930 Host platform : $HostPlatform
931 Target platform : $TargetPlatform
934 if test "$BootingFromHc" = "YES"; then
936 Bootstrapping from HC files.
940 Bootstrapping using : $WithGhc
941 which is version : $GhcVersion
946 Using GCC : $WhatGccIsCalled
947 which is version : $GccVersion
950 Happy : $HappyCmd ($HappyVersion)
951 Alex : $AlexCmd ($AlexVersion)
954 dblatex : $DblatexCmd
955 xsltproc : $XsltprocCmd"]
957 if test "$HSCOLOUR" = ""; then
959 HsColour was not found; documentation will not contain source links
968 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
969 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
970 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
972 echo ["----------------------------------------------------------------------
976 For a standard build of GHC (fully optimised with profiling), type (g)make.
978 To make changes to the default build configuration, copy the file
979 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
981 For more information on how to configure your GHC build, see
982 http://hackage.haskell.org/trac/ghc/wiki/Building