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], [6.13], [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 'sh boot'?"
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
36 dnl ----------------------------------------------------------
37 dnl ** Find unixy sort and find commands,
38 dnl ** which are needed by FP_SETUP_PROJECT_VERSION
40 dnl ** Find find command (for Win32's benefit)
43 dnl ** Find sort command (for the benefit of Win32 environs)
46 dnl ----------------------------------------------------------
47 FP_SETUP_PROJECT_VERSION
49 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
50 AC_SUBST([release], [1])
52 # First off, a distrib sanity check..
53 AC_CONFIG_SRCDIR([mk/config.mk.in])
55 dnl * We require autoconf version 2.52
56 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
57 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
60 # -------------------------------------------------------------------------
61 # Prepare to generate the following header files
64 AC_CONFIG_HEADER(mk/config.h)
66 # No, semi-sadly, we don't do `--srcdir'...
67 if test x"$srcdir" != 'x.' ; then
68 echo "This configuration does not support the \`--srcdir' option.."
72 dnl --------------------------------------------------------------
73 dnl * Project specific configuration options
74 dnl --------------------------------------------------------------
75 dnl What follows is a bunch of options that can either be configured
76 dnl through command line options to the configure script or by
77 dnl supplying defns in the build tree's mk/build.mk. Having the option to
78 dnl use either is considered a Feature.
80 dnl ** What command to use to compile compiler sources ?
81 dnl --------------------------------------------------------------
84 [AC_HELP_STRING([--with-ghc=ARG],
85 [Use ARG as the path to GHC [default=autodetect]])],
87 [if test "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
92 dnl ** Booting from .hc files?
93 dnl --------------------------------------------------------------
94 AC_ARG_ENABLE(hc-boot,
95 [AC_HELP_STRING([--enable-hc-boot],
96 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
97 (This option is mostly of interest to porters.) [default=no]])],
98 [ if test x"$enableval" = x"yes"; then
106 AC_SUBST(BootingFromHc)
108 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
109 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
110 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
111 EnableBootstrapWithDevelSnaphost=YES,
112 EnableBootstrapWithDevelSnaphost=NO
115 if test "$WithGhc" != ""; then
116 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
118 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
119 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
122 AC_SUBST(GhcVersion)dnl
123 AC_SUBST(GhcMajVersion)dnl
124 AC_SUBST(GhcMinVersion)dnl
125 AC_SUBST(GhcPatchLevel)dnl
126 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
127 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
128 if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
129 FP_COMPARE_VERSIONS($GhcVersion,[-ge],[6.10.2],
130 [ghc_ge_6102=YES], [ghc_ge_6102=NO])
131 if test $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
132 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
133 AC_SUBST(ghc_ge_609)dnl
134 AC_SUBST(ghc_ge_6102)dnl
135 AC_SUBST(ghc_ge_611)dnl
136 AC_SUBST(ghc_ge_613)dnl
139 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
140 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
141 if test "$WithGhc" = ""; then
142 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
144 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.8],
145 [AC_MSG_ERROR([GHC version 6.8 or later is required to compile GHC.])])dnl
147 if test `expr $GhcMinVersion % 2` = "1"; then
148 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
150 $WithGhc is a development snapshot of GHC, version $GhcVersion.
151 Bootstrapping using this version of GHC is not supported, and may not
152 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
153 or --with-ghc to specify a different GHC to use.])
158 # GHC is passed to Cabal, so we need a native path
159 if test "${WithGhc}" != ""
161 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
163 if test "$ghc_host" = "i386-unknown-mingw32"
165 if test "${OSTYPE}" = "msys"
167 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
169 # Canonicalise to <drive>:/path/to/ghc
170 WithGhc=`cygpath -m "${WithGhc}"`
172 echo "GHC path canonicalised to: ${WithGhc}"
177 dnl ** Without optimization some INLINE trickery fails for GHCi
180 dnl Allow to specify iconv options to the toplevel configure script
181 dnl so they can be properly passed to sub-builds.
182 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
183 dnl to the empty string to allow them to be overridden from the
186 AC_ARG_WITH([iconv-includes],
187 [AC_HELP_STRING([--with-iconv-includes],
188 [directory containing iconv.h])],
189 [ICONV_INCLUDE_DIRS=$withval])
191 AC_ARG_WITH([iconv-libraries],
192 [AC_HELP_STRING([--with-iconv-libraries],
193 [directory containing iconv library])],
194 [ICONV_LIB_DIRS=$withval])
196 AC_SUBST(ICONV_INCLUDE_DIRS)
197 AC_SUBST(ICONV_LIB_DIRS)
199 dnl--------------------------------------------------------------------
200 dnl * Choose host(/target/build) platform
201 dnl--------------------------------------------------------------------
202 dnl We don't use the standard autoconf macros for this, but instead
203 dnl ask the bootstrapping compiler what platform it is for
205 dnl Guess host/target/build platform(s) if necessary.
206 m4_divert_once([HELP_CANON],
209 --build=BUILD configure for building on BUILD [guessed]
210 --host=HOST cross-compile to build programs to run on HOST [guessed]
211 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
213 if test "${WithGhc}" != ""
215 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
216 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
217 if test "$bootstrap_host" != "$bootstrap_target"
219 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
223 # We have to run these unconditionally, but we may discard their
224 # results in the following code
229 # If no argument was given for a configuration variable, then discard
230 # the guessed canonical system and use the configuration of the
231 # bootstrapping ghc. If an argument was given, map it from gnu format
234 # For why we do it this way, see: #3637, #1717, #2951
236 if test "$build_alias" = ""
238 if test "${WithGhc}" != ""
240 build=$bootstrap_target
241 echo "Build platform inferred as: $build"
243 echo "Can't work out build platform"
247 BuildArch=`echo "$build" | sed 's/-.*//'`
248 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
249 BuildOS=`echo "$build" | sed 's/.*-//'`
251 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
252 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
253 GHC_CONVERT_OS([$build_os], [BuildOS])
256 if test "$host_alias" = ""
258 if test "${WithGhc}" != ""
260 host=$bootstrap_target
261 echo "Host platform inferred as: $host"
263 echo "Can't work out host platform"
267 HostArch=`echo "$host" | sed 's/-.*//'`
268 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
269 HostOS=`echo "$host" | sed 's/.*-//'`
271 GHC_CONVERT_CPU([$host_cpu], [HostArch])
272 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
273 GHC_CONVERT_OS([$host_os], [HostOS])
276 if test "$target_alias" = ""
278 if test "${WithGhc}" != ""
280 target=$bootstrap_target
281 echo "Target platform inferred as: $target"
283 echo "Can't work out target platform"
287 TargetArch=`echo "$target" | sed 's/-.*//'`
288 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
289 TargetOS=`echo "$target" | sed 's/.*-//'`
291 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
292 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
293 GHC_CONVERT_OS([$target_os], [TargetOS])
300 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
301 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
308 i386-apple-darwin|powerpc-apple-darwin)
310 CFLAGS="$CFLAGS -m32"
311 LDFLAGS="$LDFLAGS -m32"
312 CONF_CC_OPTS="$CONF_CC_OPTS -m32"
313 CONF_LD_OPTS="$CONF_LD_OPTS -m32"
317 CFLAGS="$CFLAGS -m64"
318 LDFLAGS="$LDFLAGS -m64"
319 CONF_CC_OPTS="$CONF_CC_OPTS -m64"
320 CONF_LD_OPTS="$CONF_LD_OPTS -m64"
326 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
329 echo "Unknown arch $1"
337 dec|unknown|hp|apple|next|sun|sgi|ibm)
340 echo "Unknown vendor $1"
348 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
351 echo "Unknown OS '$1'"
357 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
358 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
359 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
360 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
361 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
363 checkArch "$BuildArch"
364 checkVendor "$BuildVendor"
367 HostPlatform="$HostArch-$HostVendor-$HostOS"
368 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
370 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
371 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
373 checkArch "$HostArch"
374 checkVendor "$HostVendor"
377 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
378 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
379 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
380 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
381 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
383 checkArch "$TargetArch"
384 checkVendor "$TargetVendor"
387 AC_SUBST(BuildPlatform)
388 AC_SUBST(HostPlatform)
389 AC_SUBST(TargetPlatform)
390 AC_SUBST(HostPlatform_CPP)
391 AC_SUBST(BuildPlatform_CPP)
392 AC_SUBST(TargetPlatform_CPP)
394 AC_SUBST(HostArch_CPP)
395 AC_SUBST(BuildArch_CPP)
396 AC_SUBST(TargetArch_CPP)
399 AC_SUBST(BuildOS_CPP)
400 AC_SUBST(TargetOS_CPP)
402 AC_SUBST(HostVendor_CPP)
403 AC_SUBST(BuildVendor_CPP)
404 AC_SUBST(TargetVendor_CPP)
410 [AC_HELP_STRING([--with-hc=ARG],
411 [Use ARG as the path to the compiler for compiling ordinary
412 Haskell code (default= value of --with-ghc)])],
418 AC_PATH_PROGS(NHC,nhc nhc98)
419 AC_PATH_PROG(HBC,hbc)
421 # This uses GHC, so put it after the "GHC is required" check above:
424 if test "$HostOS" = "mingw32"
426 CC="$hardtop/inplace/mingw/bin/gcc.exe"
427 LD="$hardtop/inplace/mingw/bin/ld.exe"
428 NM="$hardtop/inplace/mingw/bin/nm.exe"
429 if ! test -d inplace/mingw ||
430 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
431 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
432 test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
433 test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
434 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
436 AC_MSG_NOTICE([Making in-tree mingw tree])
442 tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
443 tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
444 tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
445 tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
446 tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
447 mv bin/gcc.exe bin/realgcc.exe
449 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
450 AC_MSG_NOTICE([In-tree mingw tree created])
452 if ! test -d inplace/perl ||
453 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
455 AC_MSG_NOTICE([Making in-tree perl tree])
461 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
463 AC_MSG_NOTICE([In-tree perl tree created])
467 dnl ** Which gcc to use?
468 dnl --------------------------------------------------------------
469 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
471 WhatGccIsCalled="$CC"
472 AC_SUBST(WhatGccIsCalled)
474 dnl ** Which ld to use?
475 dnl --------------------------------------------------------------
476 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
480 dnl ** Which nm to use?
481 dnl --------------------------------------------------------------
482 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
486 dnl ** Mac OS X: explicit deployment target
487 dnl --------------------------------------------------------------
488 AC_ARG_WITH([macosx-deployment-target],
489 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
490 [Build for Mac OS VERSION and higher (default= version of build host)])],
491 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
492 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
493 # ignore everywhere, but on Mac OS
494 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
495 FP_MACOSX_DEPLOYMENT_TARGET=none
497 [FP_MACOSX_DEPLOYMENT_TARGET=none]
499 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
500 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
501 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
503 dnl --------------------------------------------------------------
504 dnl End of configure script option section
505 dnl --------------------------------------------------------------
508 dnl --------------------------------------------------------------
509 dnl * General configuration checks
510 dnl --------------------------------------------------------------
512 dnl ** Can the unix package be built?
513 dnl --------------------------------------------------------------
515 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
520 AC_SUBST([GhcLibsWithUnix])
525 dnl ** look for `perl', but only in /bin on Windows
528 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
529 if test -z "$PerlCmd"; then
530 echo "You must install the version of Perl shipped with GHC"
531 echo "(or a compatible one) in /bin."
536 AC_PATH_PROG(PerlCmd,perl)
537 if test -z "$PerlCmd"; then
538 echo "You must install perl before you can continue"
539 echo "Perhaps it is already installed, but not in your PATH?"
542 FPTOOLS_CHECK_PERL_VERSION
547 dnl ** does #! path/to/perl work? (sometimes it's too long...)
550 dnl ** check for Python
551 AC_PATH_PROG(PythonCmd,python)
553 dnl ** look for GCC and find out which version
554 dnl Figure out which C compiler to use. Gcc is preferred.
555 dnl If gcc, make sure it's at least 2.1
560 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
563 AC_SUBST(CONF_CC_OPTS)
564 AC_SUBST(CONF_LD_OPTS)
566 dnl ** figure out how to do context diffs
569 dnl Let's make sure install-sh is executable here. If we got it from
570 dnl a darcs repo, it might not be (see bug #978).
572 dnl ** figure out how to do a BSD-ish install
575 dnl If you can run configure, you certainly have /bin/sh
576 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
578 dnl ** how to invoke `ar' and `ranlib'
579 FP_PROG_AR_NEEDS_RANLIB
580 FP_PROG_AR_SUPPORTS_INPUT
582 dnl ** Check to see whether ln -s works
586 dnl ** Find the path to sed
587 AC_PATH_PROGS(SedCmd,gsed sed,sed)
590 dnl ** check for time command
591 AC_PATH_PROG(TimeCmd,time)
594 dnl if GNU tar is named gtar, look for it first.
595 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
597 dnl ** check for patch
598 dnl if GNU patch is named gpatch, look for it first
599 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
601 dnl ** check for dtrace (currently only implemented for Mac OS X)
603 AC_PATH_PROG(DtraceCmd,dtrace)
604 if test -n "$DtraceCmd"; then
605 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
611 AC_PATH_PROG(HSCOLOUR,HsColour)
612 # HsColour is passed to Cabal, so we need a native path
613 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
614 test "${OSTYPE}" != "msys" && \
615 test "${HSCOLOUR}" != ""
617 # Canonicalise to <drive>:/path/to/gcc
618 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
621 dnl ** check for DocBook toolchain
628 dnl ** check for ghc-pkg command
631 dnl ** check for installed happy binary + version
632 dnl (don't do it if we're booting from .hc files though.)
633 if test "$BootingFromHc" = "NO"; then
637 dnl ** check for installed alex binary + version
638 dnl (don't do it if we're booting from .hc files though.)
639 if test "$BootingFromHc" = "NO"; then
643 dnl --------------------------------------------------
644 dnl ### program checking section ends here ###
645 dnl --------------------------------------------------
647 dnl --------------------------------------------------
648 dnl * Platform header file and syscall feature tests
649 dnl ### checking the state of the local header files and syscalls ###
651 dnl ** check for full ANSI header (.h) files
654 dnl ** Enable large file support. NB. do this before testing the type of
655 dnl off_t, because it will affect the result of that test.
658 dnl ** check for specific header (.h) files that we are interested in
659 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
661 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
664 dnl ** do we have long longs?
665 AC_CHECK_TYPES([long long])
667 dnl ** what are the sizes of various types
668 AC_CHECK_SIZEOF(char, 1)
669 AC_CHECK_SIZEOF(double, 8)
670 AC_CHECK_SIZEOF(float, 4)
671 AC_CHECK_SIZEOF(int, 4)
672 AC_CHECK_SIZEOF(long, 4)
673 if test "$ac_cv_type_long_long" = yes; then
674 AC_CHECK_SIZEOF(long long, 8)
676 AC_CHECK_SIZEOF(short, 2)
677 AC_CHECK_SIZEOF(unsigned char, 1)
678 AC_CHECK_SIZEOF(unsigned int, 4)
679 AC_CHECK_SIZEOF(unsigned long, 4)
680 if test "$ac_cv_type_long_long" = yes; then
681 AC_CHECK_SIZEOF(unsigned long long, 8)
683 AC_CHECK_SIZEOF(unsigned short, 2)
684 AC_CHECK_SIZEOF(void *, 4)
686 dnl ** what are alignment constraints on various types
687 FP_CHECK_ALIGNMENT(char)
688 FP_CHECK_ALIGNMENT(double)
689 FP_CHECK_ALIGNMENT(float)
690 FP_CHECK_ALIGNMENT(int)
691 FP_CHECK_ALIGNMENT(long)
692 if test "$ac_cv_type_long_long" = yes; then
693 FP_CHECK_ALIGNMENT(long long)
695 FP_CHECK_ALIGNMENT(short)
696 FP_CHECK_ALIGNMENT(unsigned char)
697 FP_CHECK_ALIGNMENT(unsigned int)
698 FP_CHECK_ALIGNMENT(unsigned long)
699 if test "$ac_cv_type_long_long" = yes; then
700 FP_CHECK_ALIGNMENT(unsigned long long)
702 FP_CHECK_ALIGNMENT(unsigned short)
703 FP_CHECK_ALIGNMENT(void *)
705 FP_CHECK_FUNC([WinExec],
706 [@%:@include <windows.h>], [WinExec("",0)])
708 FP_CHECK_FUNC([GetModuleFileName],
709 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
711 dnl ** check return type of signal handlers
712 dnl Foo: assumes we can use prototypes.
713 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
714 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
715 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
716 dnl #include <signal.h>
720 dnl void (*signal (int, void (*)(int)))(int);
723 dnl [ac_cv_type_signal_handler=void_int],
724 dnl [ac_cv_type_signal_handler=int_void])])
725 dnl if test "$ac_cv_type_signal_handler" = void_int; then
726 dnl AC_DEFINE(VOID_INT_SIGNALS)
729 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
731 if test "$ac_cv_type_signal" = void; then
732 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).])
735 dnl ** check for more functions
736 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
737 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
740 #include <sys/types.h>
741 #include <sys/time.h>
743 struct itimerval tval;
744 tval.it_value.tv_sec = 1;
745 tval.it_value.tv_usec = 0;
746 tval.it_interval = tval.it_value;
747 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
749 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
751 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
752 dnl ** _POSIX_C_SOURCE is defined
753 AC_CHECK_DECLS([ctime_r], , ,
754 [#define _POSIX_SOURCE 1
755 #define _POSIX_C_SOURCE 199506L
758 dnl ** check for mingwex library
759 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
760 AC_SUBST(HaveLibMingwEx)
762 if test $HaveLibMingwEx = YES ; then
763 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
766 dnl ** check for math library
767 dnl Keep that check as early as possible.
768 dnl as we need to know whether we need libm
769 dnl for math functions or not
770 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
771 AC_SEARCH_LIBS(atan, m,
772 [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
774 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
775 dnl the order of these tests matters: bfd needs liberty
776 AC_CHECK_LIB(iberty, xmalloc)
777 AC_CHECK_LIB(bfd, bfd_init)
779 dnl ################################################################
780 dnl Check for libraries
781 dnl ################################################################
783 dnl ** check whether we need -ldl to get dlopen()
785 AC_CHECK_LIB(dl, dlopen,
787 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
792 dnl --------------------------------------------------
793 dnl * Miscellaneous feature tests
794 dnl --------------------------------------------------
796 dnl ** can we get alloca?
799 dnl ** Working vfork?
802 dnl ** determine whether or not const works
805 dnl ** are we big endian?
807 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
809 dnl ** check for leading underscores in symbol names
810 FP_LEADING_UNDERSCORE
812 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
816 dnl ** check for Apple-style dead-stripping support
817 dnl (.subsections-via-symbols assembler directive)
820 AC_MSG_CHECKING(for .subsections_via_symbols)
822 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
824 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
825 [Define to 1 if Apple-style dead-stripping is supported.])
829 dnl *** check for GNU non-executable stack note support (ELF only)
830 dnl (.section .note.GNU-stack,"",@progbits)
832 AC_MSG_CHECKING(for GNU non-executable stack support)
834 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
836 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
837 [Define to 1 if GNU non-executable stack notes are supported.])
841 dnl ** check for librt
842 AC_CHECK_LIB(rt, clock_gettime)
843 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
844 FP_CHECK_TIMER_CREATE
846 dnl ** check for Apple's "interesting" long double compatibility scheme
847 AC_MSG_CHECKING(for printf\$LDBLStub)
848 AC_TRY_LINK_FUNC(printf\$LDBLStub,
851 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
852 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
856 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
857 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
861 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
862 if test -n "$GTK_CONFIG"; then
863 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
864 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
866 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
870 AC_SUBST([GTK_CONFIG])
873 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
874 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
875 AC_SUBST(HavePapiLib)
876 AC_SUBST(HavePapiHeader)
878 AC_CHECK_FUNCS(__mingw_vfprintf)
880 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
887 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
888 test "$XsltprocCmd" = ""
890 BUILD_DOCBOOK_HTML=NO
892 BUILD_DOCBOOK_HTML=YES
894 AC_SUBST(BUILD_DOCBOOK_HTML)
896 if test "$DblatexCmd" = ""
902 BUILD_DOCBOOK_PDF=YES
904 AC_SUBST(BUILD_DOCBOOK_PS)
905 AC_SUBST(BUILD_DOCBOOK_PDF)
907 LIBRARY_VERSION(base)
908 LIBRARY_VERSION(Cabal)
909 LIBRARY_VERSION(ghc-prim)
910 LIBRARY_ghc_VERSION="$ProjectVersion"
911 AC_SUBST(LIBRARY_ghc_VERSION)
913 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
914 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
917 AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
918 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
922 # http://savannah.gnu.org/bugs/index.php?1516
923 # $(eval ...) inside conditionals causes errors
924 # with make 3.80, so warn the user if it looks like they're about to
926 # We would use "grep -q" here, but Solaris's grep doesn't support it.
928 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
931 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
932 echo "This version cannot be used to build GHC."
933 echo "Please use GNU make >= 3.81."
941 ----------------------------------------------------------------------
942 Configure completed successfully.
944 Building GHC version : $ProjectVersion
946 Build platform : $BuildPlatform
947 Host platform : $HostPlatform
948 Target platform : $TargetPlatform
951 if test "$BootingFromHc" = "YES"; then
953 Bootstrapping from HC files.
957 Bootstrapping using : $WithGhc
958 which is version : $GhcVersion
963 Using GCC : $WhatGccIsCalled
964 which is version : $GccVersion
967 Happy : $HappyCmd ($HappyVersion)
968 Alex : $AlexCmd ($AlexVersion)
971 dblatex : $DblatexCmd
972 xsltproc : $XsltprocCmd"]
974 if test "$HSCOLOUR" = ""; then
976 HsColour was not found; documentation will not contain source links
985 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
986 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
987 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
989 echo ["----------------------------------------------------------------------
993 For a standard build of GHC (fully optimised with profiling), type (g)make.
995 To make changes to the default build configuration, copy the file
996 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
998 For more information on how to configure your GHC build, see
999 http://hackage.haskell.org/trac/ghc/wiki/Building