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])
417 dnl ** Mac OS X: explicit deployment target
418 dnl --------------------------------------------------------------
419 AC_ARG_WITH([macosx-deployment-target],
420 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
421 [Build for Mac OS VERSION and higher (default= version of build host)])],
422 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
423 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
424 # ignore everywhere, but on Mac OS
425 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
426 FP_MACOSX_DEPLOYMENT_TARGET=none
428 [FP_MACOSX_DEPLOYMENT_TARGET=none]
430 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
431 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
432 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
434 dnl --------------------------------------------------------------
435 dnl End of configure script option section
436 dnl --------------------------------------------------------------
439 dnl --------------------------------------------------------------
440 dnl * General configuration checks
441 dnl --------------------------------------------------------------
443 dnl ** Can the unix package be built?
444 dnl --------------------------------------------------------------
446 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
451 AC_SUBST([GhcLibsWithUnix])
456 dnl ** look for `perl'
459 PerlCmd=$hardtop/inplace/perl/perl
462 AC_PATH_PROG(PerlCmd,perl)
463 if test -z "$PerlCmd"
465 echo "You must install perl before you can continue"
466 echo "Perhaps it is already installed, but not in your PATH?"
469 FPTOOLS_CHECK_PERL_VERSION
474 dnl ** does #! path/to/perl work? (sometimes it's too long...)
477 dnl ** check for Python
478 AC_PATH_PROG(PythonCmd,python)
480 dnl ** look for GCC and find out which version
481 dnl Figure out which C compiler to use. Gcc is preferred.
482 dnl If gcc, make sure it's at least 2.1
486 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
487 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
488 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
489 # Stage 3 won't be supported by cross-compilation
490 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
494 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
497 AC_SUBST(CONF_CC_OPTS_STAGE0)
498 AC_SUBST(CONF_CC_OPTS_STAGE1)
499 AC_SUBST(CONF_CC_OPTS_STAGE2)
500 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
501 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
502 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
503 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
504 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
505 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
506 AC_SUBST(CONF_CPP_OPTS_STAGE0)
507 AC_SUBST(CONF_CPP_OPTS_STAGE1)
508 AC_SUBST(CONF_CPP_OPTS_STAGE2)
510 dnl ** figure out how to do context diffs
513 dnl Let's make sure install-sh is executable here. If we got it from
514 dnl a darcs repo, it might not be (see bug #978).
516 dnl ** figure out how to do a BSD-ish install
519 dnl If you can run configure, you certainly have /bin/sh
520 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
522 dnl ** how to invoke `ar' and `ranlib'
523 FP_PROG_AR_SUPPORTS_ATFILE
524 FP_PROG_AR_NEEDS_RANLIB
525 FP_PROG_AR_SUPPORTS_INPUT
527 dnl ** Check to see whether ln -s works
531 dnl ** Find the path to sed
532 AC_PATH_PROGS(SedCmd,gsed sed,sed)
535 dnl ** check for time command
536 AC_PATH_PROG(TimeCmd,time)
539 dnl if GNU tar is named gtar, look for it first.
540 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
542 dnl ** check for patch
543 dnl if GNU patch is named gpatch, look for it first
544 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
546 dnl ** check for dtrace (currently only implemented for Mac OS X)
548 AC_PATH_PROG(DtraceCmd,dtrace)
549 if test -n "$DtraceCmd"; then
550 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
556 AC_PATH_PROG(HSCOLOUR,HsColour)
557 # HsColour is passed to Cabal, so we need a native path
558 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
559 test "${OSTYPE}" != "msys" && \
560 test "${HSCOLOUR}" != ""
562 # Canonicalise to <drive>:/path/to/gcc
563 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
566 dnl ** check for DocBook toolchain
573 dnl ** check for ghc-pkg command
576 dnl ** check for installed happy binary + version
577 dnl (don't do it if we're booting from .hc files though.)
578 if test "$BootingFromHc" = "NO"; then
582 dnl ** check for installed alex binary + version
583 dnl (don't do it if we're booting from .hc files though.)
584 if test "$BootingFromHc" = "NO"; then
588 dnl --------------------------------------------------
589 dnl ### program checking section ends here ###
590 dnl --------------------------------------------------
592 dnl --------------------------------------------------
593 dnl * Platform header file and syscall feature tests
594 dnl ### checking the state of the local header files and syscalls ###
596 dnl ** check for full ANSI header (.h) files
599 dnl ** Enable large file support. NB. do this before testing the type of
600 dnl off_t, because it will affect the result of that test.
603 dnl ** check for specific header (.h) files that we are interested in
604 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
606 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
609 dnl ** do we have long longs?
610 AC_CHECK_TYPES([long long])
612 dnl ** what are the sizes of various types
613 AC_CHECK_SIZEOF(char, 1)
614 AC_CHECK_SIZEOF(double, 8)
615 AC_CHECK_SIZEOF(float, 4)
616 AC_CHECK_SIZEOF(int, 4)
617 AC_CHECK_SIZEOF(long, 4)
618 if test "$ac_cv_type_long_long" = yes; then
619 AC_CHECK_SIZEOF(long long, 8)
621 AC_CHECK_SIZEOF(short, 2)
622 AC_CHECK_SIZEOF(unsigned char, 1)
623 AC_CHECK_SIZEOF(unsigned int, 4)
624 AC_CHECK_SIZEOF(unsigned long, 4)
625 if test "$ac_cv_type_long_long" = yes; then
626 AC_CHECK_SIZEOF(unsigned long long, 8)
628 AC_CHECK_SIZEOF(unsigned short, 2)
629 AC_CHECK_SIZEOF(void *, 4)
631 dnl ** what are alignment constraints on various types
632 FP_CHECK_ALIGNMENT(char)
633 FP_CHECK_ALIGNMENT(double)
634 FP_CHECK_ALIGNMENT(float)
635 FP_CHECK_ALIGNMENT(int)
636 FP_CHECK_ALIGNMENT(long)
637 if test "$ac_cv_type_long_long" = yes; then
638 FP_CHECK_ALIGNMENT(long long)
640 FP_CHECK_ALIGNMENT(short)
641 FP_CHECK_ALIGNMENT(unsigned char)
642 FP_CHECK_ALIGNMENT(unsigned int)
643 FP_CHECK_ALIGNMENT(unsigned long)
644 if test "$ac_cv_type_long_long" = yes; then
645 FP_CHECK_ALIGNMENT(unsigned long long)
647 FP_CHECK_ALIGNMENT(unsigned short)
648 FP_CHECK_ALIGNMENT(void *)
650 FP_CHECK_FUNC([WinExec],
651 [@%:@include <windows.h>], [WinExec("",0)])
653 FP_CHECK_FUNC([GetModuleFileName],
654 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
656 dnl ** check return type of signal handlers
657 dnl Foo: assumes we can use prototypes.
658 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
659 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
660 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
661 dnl #include <signal.h>
665 dnl void (*signal (int, void (*)(int)))(int);
668 dnl [ac_cv_type_signal_handler=void_int],
669 dnl [ac_cv_type_signal_handler=int_void])])
670 dnl if test "$ac_cv_type_signal_handler" = void_int; then
671 dnl AC_DEFINE(VOID_INT_SIGNALS)
674 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
676 if test "$ac_cv_type_signal" = void; then
677 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).])
680 dnl ** check for more functions
681 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
682 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
685 #include <sys/types.h>
686 #include <sys/time.h>
688 struct itimerval tval;
689 tval.it_value.tv_sec = 1;
690 tval.it_value.tv_usec = 0;
691 tval.it_interval = tval.it_value;
692 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
694 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
696 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
697 dnl ** _POSIX_C_SOURCE is defined
698 AC_CHECK_DECLS([ctime_r], , ,
699 [#define _POSIX_SOURCE 1
700 #define _POSIX_C_SOURCE 199506L
703 dnl ** check for mingwex library
704 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
705 AC_SUBST(HaveLibMingwEx)
707 if test $HaveLibMingwEx = YES ; then
708 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
711 dnl ** check for math library
712 dnl Keep that check as early as possible.
713 dnl as we need to know whether we need libm
714 dnl for math functions or not
715 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
716 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
717 if test $HaveLibM = YES
719 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
722 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
723 dnl the order of these tests matters: bfd needs liberty
724 AC_CHECK_LIB(iberty, xmalloc)
725 AC_CHECK_LIB(bfd, bfd_init)
727 dnl ################################################################
728 dnl Check for libraries
729 dnl ################################################################
731 dnl ** check whether we need -ldl to get dlopen()
733 AC_CHECK_LIB(dl, dlopen,
735 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
740 dnl --------------------------------------------------
741 dnl * Miscellaneous feature tests
742 dnl --------------------------------------------------
744 dnl ** can we get alloca?
747 dnl ** Working vfork?
750 dnl ** determine whether or not const works
753 dnl ** are we big endian?
755 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
757 dnl ** check for leading underscores in symbol names
758 FP_LEADING_UNDERSCORE
760 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
764 dnl ** check for Apple-style dead-stripping support
765 dnl (.subsections-via-symbols assembler directive)
768 AC_MSG_CHECKING(for .subsections_via_symbols)
770 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
772 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
773 [Define to 1 if Apple-style dead-stripping is supported.])
777 dnl *** check for GNU non-executable stack note support (ELF only)
778 dnl (.section .note.GNU-stack,"",@progbits)
780 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
781 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
782 dnl so we empty CFLAGS while running this test
785 AC_MSG_CHECKING(for GNU non-executable stack support)
787 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
789 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
790 [Define to 1 if GNU non-executable stack notes are supported.])
797 dnl ** check for librt
798 AC_CHECK_LIB(rt, clock_gettime)
799 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
800 FP_CHECK_TIMER_CREATE
802 dnl ** check for Apple's "interesting" long double compatibility scheme
803 AC_MSG_CHECKING(for printf\$LDBLStub)
804 AC_TRY_LINK_FUNC(printf\$LDBLStub,
807 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
808 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
812 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
813 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
816 dnl ** check for eventfd which is needed by the I/O manager
817 AC_CHECK_HEADERS([sys/eventfd.h])
818 AC_CHECK_FUNCS([eventfd])
821 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
822 if test -n "$GTK_CONFIG"; then
823 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
824 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
826 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
830 AC_SUBST([GTK_CONFIG])
833 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
834 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
835 AC_SUBST(HavePapiLib)
836 AC_SUBST(HavePapiHeader)
838 AC_CHECK_FUNCS(__mingw_vfprintf)
840 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
847 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
848 test "$XsltprocCmd" = ""
850 BUILD_DOCBOOK_HTML=NO
852 BUILD_DOCBOOK_HTML=YES
854 AC_SUBST(BUILD_DOCBOOK_HTML)
856 if test "$DblatexCmd" = ""
862 BUILD_DOCBOOK_PDF=YES
864 AC_SUBST(BUILD_DOCBOOK_PS)
865 AC_SUBST(BUILD_DOCBOOK_PDF)
867 LIBRARY_VERSION(base)
868 LIBRARY_VERSION(Cabal)
869 LIBRARY_VERSION(ghc-prim)
870 LIBRARY_ghc_VERSION="$ProjectVersion"
871 AC_SUBST(LIBRARY_ghc_VERSION)
873 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
874 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
877 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])
878 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
882 # http://savannah.gnu.org/bugs/index.php?1516
883 # $(eval ...) inside conditionals causes errors
884 # with make 3.80, so warn the user if it looks like they're about to
886 # We would use "grep -q" here, but Solaris's grep doesn't support it.
888 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
891 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
892 echo "This version cannot be used to build GHC."
893 echo "Please use GNU make >= 3.81."
901 ----------------------------------------------------------------------
902 Configure completed successfully.
904 Building GHC version : $ProjectVersion
906 Build platform : $BuildPlatform
907 Host platform : $HostPlatform
908 Target platform : $TargetPlatform
911 if test "$BootingFromHc" = "YES"; then
913 Bootstrapping from HC files.
917 Bootstrapping using : $WithGhc
918 which is version : $GhcVersion
923 Using GCC : $WhatGccIsCalled
924 which is version : $GccVersion
927 Happy : $HappyCmd ($HappyVersion)
928 Alex : $AlexCmd ($AlexVersion)
931 dblatex : $DblatexCmd
932 xsltproc : $XsltprocCmd"]
934 if test "$HSCOLOUR" = ""; then
936 HsColour was not found; documentation will not contain source links
945 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
946 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
947 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
949 echo ["----------------------------------------------------------------------
953 For a standard build of GHC (fully optimised with profiling), type (g)make.
955 To make changes to the default build configuration, copy the file
956 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
958 For more information on how to configure your GHC build, see
959 http://hackage.haskell.org/trac/ghc/wiki/Building