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 '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 "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
92 dnl ** Booting from .hc files?
93 dnl --------------------------------------------------------------
94 AC_ARG_ENABLE(hc-boot,
95 [AC_HELP_STRING([--enable-hc-boot],
96 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
97 (This option is mostly of interest to porters.) [default=no]])],
98 [ if test x"$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$GhcMinVersion2"
128 FP_COMPARE_VERSIONS($GhcVersion,[-ge],[6.10.2],
129 [ghc_ge_6102=YES], [ghc_ge_6102=NO])
130 if test $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
131 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
132 AC_SUBST(ghc_ge_6102)dnl
133 AC_SUBST(ghc_ge_611)dnl
134 AC_SUBST(ghc_ge_613)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$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],[6.10],
143 [AC_MSG_ERROR([GHC version 6.10 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: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
178 dnl Allow to specify iconv options to the toplevel configure script
179 dnl so they can be properly passed to sub-builds.
180 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
181 dnl to the empty string to allow them to be overridden from the
184 AC_ARG_WITH([iconv-includes],
185 [AC_HELP_STRING([--with-iconv-includes],
186 [directory containing iconv.h])],
187 [ICONV_INCLUDE_DIRS=$withval])
189 AC_ARG_WITH([iconv-libraries],
190 [AC_HELP_STRING([--with-iconv-libraries],
191 [directory containing iconv library])],
192 [ICONV_LIB_DIRS=$withval])
194 AC_SUBST(ICONV_INCLUDE_DIRS)
195 AC_SUBST(ICONV_LIB_DIRS)
197 dnl Allow to specify gmp options to the toplevel configure script
198 dnl so they can be properly passed to sub-builds.
200 AC_ARG_WITH([gmp-includes],
201 [AC_HELP_STRING([--with-gmp-includes],
202 [directory containing gmp.h])],
203 [GMP_INCLUDE_DIRS=$withval])
205 AC_ARG_WITH([gmp-libraries],
206 [AC_HELP_STRING([--with-gmp-libraries],
207 [directory containing gmp library])],
208 [GMP_LIB_DIRS=$withval])
210 AC_SUBST(GMP_INCLUDE_DIRS)
211 AC_SUBST(GMP_LIB_DIRS)
213 dnl--------------------------------------------------------------------
214 dnl * Choose host(/target/build) platform
215 dnl--------------------------------------------------------------------
216 dnl If we aren't explicitly told what values to use with configure flags,
217 dnl we ask the bootstrapping compiler what platform it is for
219 if test "${WithGhc}" != ""
221 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
222 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
223 if test "$bootstrap_host" != "$bootstrap_target"
225 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
229 # We have to run these unconditionally, but we may discard their
230 # results in the following code
235 # If no argument was given for a configuration variable, then discard
236 # the guessed canonical system and use the configuration of the
237 # bootstrapping ghc. If an argument was given, map it from gnu format
240 # For why we do it this way, see: #3637, #1717, #2951
242 if test "$build_alias" = ""
244 if test "${WithGhc}" != ""
246 build=$bootstrap_target
247 echo "Build platform inferred as: $build"
249 echo "Can't work out build platform"
253 BuildArch=`echo "$build" | sed 's/-.*//'`
254 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
255 BuildOS=`echo "$build" | sed 's/.*-//'`
257 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
258 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
259 GHC_CONVERT_OS([$build_os], [BuildOS])
262 if test "$host_alias" = ""
264 if test "${WithGhc}" != ""
266 host=$bootstrap_target
267 echo "Host platform inferred as: $host"
269 echo "Can't work out host platform"
273 HostArch=`echo "$host" | sed 's/-.*//'`
274 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
275 HostOS=`echo "$host" | sed 's/.*-//'`
277 GHC_CONVERT_CPU([$host_cpu], [HostArch])
278 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
279 GHC_CONVERT_OS([$host_os], [HostOS])
282 if test "$target_alias" = ""
284 if test "${WithGhc}" != ""
286 target=$bootstrap_target
287 echo "Target platform inferred as: $target"
289 echo "Can't work out target platform"
293 TargetArch=`echo "$target" | sed 's/-.*//'`
294 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
295 TargetOS=`echo "$target" | sed 's/.*-//'`
297 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
298 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
299 GHC_CONVERT_OS([$target_os], [TargetOS])
306 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
307 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
314 i386-apple-darwin|powerpc-apple-darwin)
324 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
327 echo "Unknown arch $1"
335 dec|unknown|hp|apple|next|sun|sgi|ibm)
338 echo "Unknown vendor $1"
346 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
349 echo "Unknown OS '$1'"
355 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
356 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
357 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
358 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
359 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
361 checkArch "$BuildArch"
362 checkVendor "$BuildVendor"
365 HostPlatform="$HostArch-$HostVendor-$HostOS"
366 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
367 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
368 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
371 checkArch "$HostArch"
372 checkVendor "$HostVendor"
375 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
376 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
377 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
378 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
379 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
381 checkArch "$TargetArch"
382 checkVendor "$TargetVendor"
385 AC_SUBST(BuildPlatform)
386 AC_SUBST(HostPlatform)
387 AC_SUBST(TargetPlatform)
388 AC_SUBST(HostPlatform_CPP)
389 AC_SUBST(BuildPlatform_CPP)
390 AC_SUBST(TargetPlatform_CPP)
392 AC_SUBST(HostArch_CPP)
393 AC_SUBST(BuildArch_CPP)
394 AC_SUBST(TargetArch_CPP)
397 AC_SUBST(BuildOS_CPP)
398 AC_SUBST(TargetOS_CPP)
400 AC_SUBST(HostVendor_CPP)
401 AC_SUBST(BuildVendor_CPP)
402 AC_SUBST(TargetVendor_CPP)
408 [AC_HELP_STRING([--with-hc=ARG],
409 [Use ARG as the path to the compiler for compiling ordinary
410 Haskell code (default= value of --with-ghc)])],
416 AC_PATH_PROGS(NHC,nhc nhc98)
417 AC_PATH_PROG(HBC,hbc)
419 # This uses GHC, so put it after the "GHC is required" check above:
422 if test "$HostOS" = "mingw32"
424 CC="$hardtop/inplace/mingw/bin/gcc.exe"
425 LD="$hardtop/inplace/mingw/bin/ld.exe"
426 NM="$hardtop/inplace/mingw/bin/nm.exe"
427 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
428 if ! test -d inplace/mingw ||
429 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
430 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
431 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
432 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*.tar.gz ||
433 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
435 AC_MSG_NOTICE([Making in-tree mingw tree])
441 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
442 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
443 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
444 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*.tar.gz &&
445 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
446 mv bin/gcc.exe bin/realgcc.exe
448 inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
449 AC_MSG_NOTICE([In-tree mingw tree created])
451 if ! test -d inplace/perl ||
452 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
454 AC_MSG_NOTICE([Making in-tree perl tree])
460 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
462 AC_MSG_NOTICE([In-tree perl tree created])
466 dnl ** Which gcc to use?
467 dnl --------------------------------------------------------------
468 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
470 WhatGccIsCalled="$CC"
471 AC_SUBST(WhatGccIsCalled)
473 dnl ** Which ld to use?
474 dnl --------------------------------------------------------------
475 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
479 dnl ** Which nm to use?
480 dnl --------------------------------------------------------------
481 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
485 dnl ** Mac OS X: explicit deployment target
486 dnl --------------------------------------------------------------
487 AC_ARG_WITH([macosx-deployment-target],
488 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
489 [Build for Mac OS VERSION and higher (default= version of build host)])],
490 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
491 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
492 # ignore everywhere, but on Mac OS
493 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
494 FP_MACOSX_DEPLOYMENT_TARGET=none
496 [FP_MACOSX_DEPLOYMENT_TARGET=none]
498 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
499 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
500 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
502 dnl --------------------------------------------------------------
503 dnl End of configure script option section
504 dnl --------------------------------------------------------------
507 dnl --------------------------------------------------------------
508 dnl * General configuration checks
509 dnl --------------------------------------------------------------
511 dnl ** Can the unix package be built?
512 dnl --------------------------------------------------------------
514 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
519 AC_SUBST([GhcLibsWithUnix])
524 dnl ** look for `perl', but only in /bin on Windows
527 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
528 if test -z "$PerlCmd"; then
529 echo "You must install the version of Perl shipped with GHC"
530 echo "(or a compatible one) in /bin."
535 AC_PATH_PROG(PerlCmd,perl)
536 if test -z "$PerlCmd"; then
537 echo "You must install perl before you can continue"
538 echo "Perhaps it is already installed, but not in your PATH?"
541 FPTOOLS_CHECK_PERL_VERSION
546 dnl ** does #! path/to/perl work? (sometimes it's too long...)
549 dnl ** check for Python
550 AC_PATH_PROG(PythonCmd,python)
552 dnl ** look for GCC and find out which version
553 dnl Figure out which C compiler to use. Gcc is preferred.
554 dnl If gcc, make sure it's at least 2.1
558 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS])
559 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0])
560 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1])
561 # Stage 3 won't be supported by cross-compilation
562 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2])
566 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
569 AC_SUBST(CONF_CC_OPTS_STAGE0)
570 AC_SUBST(CONF_CC_OPTS_STAGE1)
571 AC_SUBST(CONF_CC_OPTS_STAGE2)
572 AC_SUBST(CONF_LD_OPTS_STAGE0)
573 AC_SUBST(CONF_LD_OPTS_STAGE1)
574 AC_SUBST(CONF_LD_OPTS_STAGE2)
576 dnl ** figure out how to do context diffs
579 dnl Let's make sure install-sh is executable here. If we got it from
580 dnl a darcs repo, it might not be (see bug #978).
582 dnl ** figure out how to do a BSD-ish install
585 dnl If you can run configure, you certainly have /bin/sh
586 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
588 dnl ** how to invoke `ar' and `ranlib'
589 FP_PROG_AR_SUPPORTS_ATFILE
590 FP_PROG_AR_NEEDS_RANLIB
591 FP_PROG_AR_SUPPORTS_INPUT
593 dnl ** Check to see whether ln -s works
597 dnl ** Find the path to sed
598 AC_PATH_PROGS(SedCmd,gsed sed,sed)
601 dnl ** check for time command
602 AC_PATH_PROG(TimeCmd,time)
605 dnl if GNU tar is named gtar, look for it first.
606 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
608 dnl ** check for patch
609 dnl if GNU patch is named gpatch, look for it first
610 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
612 dnl ** check for dtrace (currently only implemented for Mac OS X)
614 AC_PATH_PROG(DtraceCmd,dtrace)
615 if test -n "$DtraceCmd"; then
616 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
622 AC_PATH_PROG(HSCOLOUR,HsColour)
623 # HsColour is passed to Cabal, so we need a native path
624 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
625 test "${OSTYPE}" != "msys" && \
626 test "${HSCOLOUR}" != ""
628 # Canonicalise to <drive>:/path/to/gcc
629 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
632 dnl ** check for DocBook toolchain
639 dnl ** check for ghc-pkg command
642 dnl ** check for installed happy binary + version
643 dnl (don't do it if we're booting from .hc files though.)
644 if test "$BootingFromHc" = "NO"; then
648 dnl ** check for installed alex binary + version
649 dnl (don't do it if we're booting from .hc files though.)
650 if test "$BootingFromHc" = "NO"; then
654 dnl --------------------------------------------------
655 dnl ### program checking section ends here ###
656 dnl --------------------------------------------------
658 dnl --------------------------------------------------
659 dnl * Platform header file and syscall feature tests
660 dnl ### checking the state of the local header files and syscalls ###
662 dnl ** check for full ANSI header (.h) files
665 dnl ** Enable large file support. NB. do this before testing the type of
666 dnl off_t, because it will affect the result of that test.
669 dnl ** check for specific header (.h) files that we are interested in
670 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
672 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
675 dnl ** do we have long longs?
676 AC_CHECK_TYPES([long long])
678 dnl ** what are the sizes of various types
679 AC_CHECK_SIZEOF(char, 1)
680 AC_CHECK_SIZEOF(double, 8)
681 AC_CHECK_SIZEOF(float, 4)
682 AC_CHECK_SIZEOF(int, 4)
683 AC_CHECK_SIZEOF(long, 4)
684 if test "$ac_cv_type_long_long" = yes; then
685 AC_CHECK_SIZEOF(long long, 8)
687 AC_CHECK_SIZEOF(short, 2)
688 AC_CHECK_SIZEOF(unsigned char, 1)
689 AC_CHECK_SIZEOF(unsigned int, 4)
690 AC_CHECK_SIZEOF(unsigned long, 4)
691 if test "$ac_cv_type_long_long" = yes; then
692 AC_CHECK_SIZEOF(unsigned long long, 8)
694 AC_CHECK_SIZEOF(unsigned short, 2)
695 AC_CHECK_SIZEOF(void *, 4)
697 dnl ** what are alignment constraints on various types
698 FP_CHECK_ALIGNMENT(char)
699 FP_CHECK_ALIGNMENT(double)
700 FP_CHECK_ALIGNMENT(float)
701 FP_CHECK_ALIGNMENT(int)
702 FP_CHECK_ALIGNMENT(long)
703 if test "$ac_cv_type_long_long" = yes; then
704 FP_CHECK_ALIGNMENT(long long)
706 FP_CHECK_ALIGNMENT(short)
707 FP_CHECK_ALIGNMENT(unsigned char)
708 FP_CHECK_ALIGNMENT(unsigned int)
709 FP_CHECK_ALIGNMENT(unsigned long)
710 if test "$ac_cv_type_long_long" = yes; then
711 FP_CHECK_ALIGNMENT(unsigned long long)
713 FP_CHECK_ALIGNMENT(unsigned short)
714 FP_CHECK_ALIGNMENT(void *)
716 FP_CHECK_FUNC([WinExec],
717 [@%:@include <windows.h>], [WinExec("",0)])
719 FP_CHECK_FUNC([GetModuleFileName],
720 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
722 dnl ** check return type of signal handlers
723 dnl Foo: assumes we can use prototypes.
724 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
725 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
726 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
727 dnl #include <signal.h>
731 dnl void (*signal (int, void (*)(int)))(int);
734 dnl [ac_cv_type_signal_handler=void_int],
735 dnl [ac_cv_type_signal_handler=int_void])])
736 dnl if test "$ac_cv_type_signal_handler" = void_int; then
737 dnl AC_DEFINE(VOID_INT_SIGNALS)
740 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
742 if test "$ac_cv_type_signal" = void; then
743 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).])
746 dnl ** check for more functions
747 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
748 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
751 #include <sys/types.h>
752 #include <sys/time.h>
754 struct itimerval tval;
755 tval.it_value.tv_sec = 1;
756 tval.it_value.tv_usec = 0;
757 tval.it_interval = tval.it_value;
758 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
760 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
762 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
763 dnl ** _POSIX_C_SOURCE is defined
764 AC_CHECK_DECLS([ctime_r], , ,
765 [#define _POSIX_SOURCE 1
766 #define _POSIX_C_SOURCE 199506L
769 dnl ** check for mingwex library
770 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
771 AC_SUBST(HaveLibMingwEx)
773 if test $HaveLibMingwEx = YES ; then
774 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
777 dnl ** check for math library
778 dnl Keep that check as early as possible.
779 dnl as we need to know whether we need libm
780 dnl for math functions or not
781 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
782 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
783 if test $HaveLibM = YES
785 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
788 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
789 dnl the order of these tests matters: bfd needs liberty
790 AC_CHECK_LIB(iberty, xmalloc)
791 AC_CHECK_LIB(bfd, bfd_init)
793 dnl ################################################################
794 dnl Check for libraries
795 dnl ################################################################
797 dnl ** check whether we need -ldl to get dlopen()
799 AC_CHECK_LIB(dl, dlopen,
801 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
806 dnl --------------------------------------------------
807 dnl * Miscellaneous feature tests
808 dnl --------------------------------------------------
810 dnl ** can we get alloca?
813 dnl ** Working vfork?
816 dnl ** determine whether or not const works
819 dnl ** are we big endian?
821 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
823 dnl ** check for leading underscores in symbol names
824 FP_LEADING_UNDERSCORE
826 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
830 dnl ** check for Apple-style dead-stripping support
831 dnl (.subsections-via-symbols assembler directive)
834 AC_MSG_CHECKING(for .subsections_via_symbols)
836 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
838 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
839 [Define to 1 if Apple-style dead-stripping is supported.])
843 dnl *** check for GNU non-executable stack note support (ELF only)
844 dnl (.section .note.GNU-stack,"",@progbits)
846 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
847 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
848 dnl so we empty CFLAGS while running this test
851 AC_MSG_CHECKING(for GNU non-executable stack support)
853 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
855 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
856 [Define to 1 if GNU non-executable stack notes are supported.])
861 dnl ** check for librt
862 AC_CHECK_LIB(rt, clock_gettime)
863 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
864 FP_CHECK_TIMER_CREATE
866 dnl ** check for Apple's "interesting" long double compatibility scheme
867 AC_MSG_CHECKING(for printf\$LDBLStub)
868 AC_TRY_LINK_FUNC(printf\$LDBLStub,
871 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
872 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
876 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
877 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
880 dnl ** check for eventfd which is needed by the I/O manager
881 AC_CHECK_HEADERS([sys/eventfd.h])
882 AC_CHECK_FUNCS([eventfd])
885 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
886 if test -n "$GTK_CONFIG"; then
887 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
888 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
890 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
894 AC_SUBST([GTK_CONFIG])
897 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
898 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
899 AC_SUBST(HavePapiLib)
900 AC_SUBST(HavePapiHeader)
902 AC_CHECK_FUNCS(__mingw_vfprintf)
904 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
911 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
912 test "$XsltprocCmd" = ""
914 BUILD_DOCBOOK_HTML=NO
916 BUILD_DOCBOOK_HTML=YES
918 AC_SUBST(BUILD_DOCBOOK_HTML)
920 if test "$DblatexCmd" = ""
926 BUILD_DOCBOOK_PDF=YES
928 AC_SUBST(BUILD_DOCBOOK_PS)
929 AC_SUBST(BUILD_DOCBOOK_PDF)
931 LIBRARY_VERSION(base)
932 LIBRARY_VERSION(Cabal)
933 LIBRARY_VERSION(ghc-prim)
934 LIBRARY_ghc_VERSION="$ProjectVersion"
935 AC_SUBST(LIBRARY_ghc_VERSION)
937 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
938 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
941 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 docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
942 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
946 # http://savannah.gnu.org/bugs/index.php?1516
947 # $(eval ...) inside conditionals causes errors
948 # with make 3.80, so warn the user if it looks like they're about to
950 # We would use "grep -q" here, but Solaris's grep doesn't support it.
952 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
955 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
956 echo "This version cannot be used to build GHC."
957 echo "Please use GNU make >= 3.81."
965 ----------------------------------------------------------------------
966 Configure completed successfully.
968 Building GHC version : $ProjectVersion
970 Build platform : $BuildPlatform
971 Host platform : $HostPlatform
972 Target platform : $TargetPlatform
975 if test "$BootingFromHc" = "YES"; then
977 Bootstrapping from HC files.
981 Bootstrapping using : $WithGhc
982 which is version : $GhcVersion
987 Using GCC : $WhatGccIsCalled
988 which is version : $GccVersion
991 Happy : $HappyCmd ($HappyVersion)
992 Alex : $AlexCmd ($AlexVersion)
995 dblatex : $DblatexCmd
996 xsltproc : $XsltprocCmd"]
998 if test "$HSCOLOUR" = ""; then
1000 HsColour was not found; documentation will not contain source links
1004 HsColour : $HSCOLOUR
1009 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1010 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1011 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1013 echo ["----------------------------------------------------------------------
1017 For a standard build of GHC (fully optimised with profiling), type (g)make.
1019 To make changes to the default build configuration, copy the file
1020 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1022 For more information on how to configure your GHC build, see
1023 http://hackage.haskell.org/trac/ghc/wiki/Building