1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The AQUA Project, Glasgow University, 1994-1998
8 # Configure script template for the Glasgow functional programming tools
10 # Process with 'autoconf' 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 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
19 dnl * Declare subdirectories that have a private configure script
21 dnl After the toplevel configuration is complete, the script will recurse into
22 dnl these subdirectories (the use of cache values makes repeated checks cheap)
23 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
24 AC_CONFIG_SUBDIRS(ghc)
26 # -------------------------------------------------------------------------
27 # Prepare to generate the following header files
30 AC_CONFIG_HEADER(mk/config.h)
32 # No, semi-sadly, we don't do `--srcdir'...
33 if test x"$srcdir" != 'x.' ; then
34 echo "This configuration does not support the \`--srcdir' option.."
39 # Remove common automounter nonsense + convert from UNC to DOS style paths
40 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
43 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
46 echo "*** The top of your build tree is: $hardtop"
47 # subst of hardtop is done below after we've computed hardtop_plat.
49 dnl--------------------------------------------------------------------
50 dnl * Choose host(/target/build) platform
51 dnl--------------------------------------------------------------------
53 dnl Guess host/target/build platform(s) if necessary.
56 # "$host" defaults to "$target"
57 if test "x$host" = xNONE ; then
61 dnl ** canonicalize platform names
62 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
63 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
64 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
66 if test x"$TargetPlatform" != x"$HostPlatform" ; then
67 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
73 # The following will be more difficult when we *are* cross-compiling.
74 # Suitable names to slam in *_CPP are in platform.h.in.
75 # We also record the architecture, vendor, and operating system (OS)
78 alpha*-dec-osf[[12]]*)
79 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
80 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
81 BuildPlatform=alpha-dec-osf1 # hack
82 HostPlatform_CPP='alpha_dec_osf1'
87 alpha*-dec-osf[[345]]*)
88 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
89 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
90 BuildPlatform=alpha-dec-osf3 # hack
91 HostPlatform_CPP='alpha_dec_osf3'
97 HostPlatform=alpha-unknown-linux
98 TargetPlatform=alpha-unknown-linux
99 BuildPlatform=alpha-unknown-linux
100 HostPlatform_CPP='alpha_unknown_linux'
102 HostVendor_CPP='unknown'
105 alpha*-unknown-freebsd*)
106 HostPlatform=alpha-unknown-freebsd
107 TargetPlatform=alpha-unknown-freebsd
108 BuildPlatform=alpha-unknown-freebsd
109 HostPlatform_CPP='alpha_unknown_freebsd'
111 HostVendor_CPP='unknown'
115 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
116 TargetPlatform=hppa1.1-hp-hpux
117 BuildPlatform=hppa1.1-hp-hpux
118 HostPlatform_CPP='hppa1_1_hp_hpux'
119 HostArch_CPP='hppa1_1'
123 i[[3456]]86-*-linuxaout*)
124 HostPlatform=i386-unknown-linuxaout # hack again
125 TargetPlatform=i386-unknown-linuxaout
126 BuildPlatform=i386-unknown-linuxaout
127 HostPlatform_CPP='i386_unknown_linuxaout'
129 HostVendor_CPP='unknown'
130 HostOS_CPP='linuxaout'
132 i[[3456]]86-*-linux*)
133 HostPlatform=i386-unknown-linux # hack again
134 TargetPlatform=i386-unknown-linux
135 BuildPlatform=i386-unknown-linux
136 HostPlatform_CPP='i386_unknown_linux'
138 HostVendor_CPP='unknown'
141 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
142 HostPlatform=i386-unknown-freebsd # hack again
143 TargetPlatform=i386-unknown-freebsd
144 BuildPlatform=i386-unknown-freebsd
145 HostPlatform_CPP='i386_unknown_freebsd'
147 HostVendor_CPP='unknown'
150 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
151 HostPlatform=i386-unknown-freebsd2 # hack again
152 TargetPlatform=i386-unknown-freebsd2
153 BuildPlatform=i386-unknown-freebsd2
154 HostPlatform_CPP='i386_unknown_freebsd2'
156 HostVendor_CPP='unknown'
157 HostOS_CPP='freebsd2'
159 i[[3456]]86-*-netbsd*)
160 HostPlatform=i386-unknown-netbsd # hack again
161 TargetPlatform=i386-unknown-netbsd
162 BuildPlatform=i386-unknown-netbsd
163 HostPlatform_CPP='i386_unknown_netbsd'
165 HostVendor_CPP='unknown'
168 i[[3456]]86-*-openbsd*)
169 HostPlatform=i386-unknown-openbsd # hack again
170 TargetPlatform=i386-unknown-openbsd
171 BuildPlatform=i386-unknown-openbsd
172 HostPlatform_CPP='i386_unknown_openbsd'
174 HostVendor_CPP='unknown'
177 i[[3456]]86-*-solaris2*)
178 HostPlatform=i386-unknown-solaris2 # hack again
179 TargetPlatform=i386-unknown-solaris2
180 BuildPlatform=i386-unknown-solaris2
181 HostPlatform_CPP='i386_unknown_solaris2'
183 HostVendor_CPP='unknown'
184 HostOS_CPP='solaris2'
186 i[[3456]]86-*-cygwin*)
187 HostPlatform=i386-unknown-cygwin32 # hack again
188 TargetPlatform=i386-unknown-cygwin32
189 BuildPlatform=i386-unknown-cygwin32
190 HostPlatform_CPP='i386_unknown_cygwin32'
192 HostVendor_CPP='unknown'
193 HostOS_CPP='cygwin32'
196 i[[3456]]86-*-mingw32*)
197 HostPlatform=i386-unknown-mingw32 # hack again
198 TargetPlatform=i386-unknown-mingw32
199 BuildPlatform=i386-unknown-mingw32
200 HostPlatform_CPP='i386_unknown_mingw32'
202 HostVendor_CPP='unknown'
207 HostPlatform=ia64-unknown-linux # hack again
208 TargetPlatform=ia64-unknown-linux
209 BuildPlatform=ia64-unknown-linux
210 HostPlatform_CPP='ia64_unknown_linux'
212 HostVendor_CPP='unknown'
216 HostPlatform_CPP='m68k_next_nextstep2'
218 HostVendor_CPP='next'
219 HostOS_CPP='nextstep2'
222 HostPlatform_CPP='m68k_next_nextstep3'
224 HostVendor_CPP='next'
225 HostOS_CPP='nextstep3'
227 i[[3456]]86-next-nextstep3)
228 HostPlatform=i386-next-nextstep3 # hack again
229 TargetPlatform=i386-next-nextstep3
230 BuildPlatform=i386-next-nextstep3
231 HostPlatform_CPP='i386_next_nextstep3'
233 HostVendor_CPP='next'
234 HostOS_CPP='nextstep3'
237 HostPlatform=m68k-sun-sunos4
238 TargetPlatform=m68k-sun-sunos4 #hack
239 BuildPlatform=m68k-sun-sunos4 #hack
240 HostPlatform_CPP='m68k_sun_sunos4'
246 HostPlatform_CPP='mips_dec_ultrix'
247 HostArch_CPP='mipsel' # NB a little different
252 HostPlatform=mips-sgi-irix
253 TargetPlatform=mips-sgi-irix #hack
254 BuildPlatform=mips-sgi-irix #hack
255 HostPlatform_CPP='mips_sgi_irix'
256 HostArch_CPP='mipseb' # NB a little different
261 HostPlatform=rs6000-ibm-aix
262 TargetPlatform=rs6000-ibm-aix #hack
263 BuildPlatform=rs6000-ibm-aix #hack
264 HostPlatform_CPP='rs6000_ibm_aix'
265 HostArch_CPP='rs6000'
270 HostPlatform=powerpc-ibm-aix
271 TargetPlatform=powerpc-ibm-aix #hack
272 BuildPlatform=powerpc-ibm-aix #hack
273 HostPlatform_CPP='powerpc_ibm_aix'
274 HostArch_CPP='powerpc'
278 powerpc-apple-darwin*)
279 HostPlatform=powerpc-apple-darwin
280 TargetPlatform=powerpc-apple-darwin #hack
281 BuildPlatform=powerpc-apple-darwin #hack
282 HostPlatform_CPP='powerpc_apple_darwin'
283 HostArch_CPP='powerpc'
284 HostVendor_CPP='apple'
288 HostPlatform=sparc-sun-sunos4
289 TargetPlatform=sparc-sun-sunos4 #hack
290 BuildPlatform=sparc-sun-sunos4 #hack
291 HostPlatform_CPP='sparc_sun_sunos4'
297 HostPlatform=sparc-sun-solaris2
298 TargetPlatform=sparc-sun-solaris2 #hack
299 BuildPlatform=sparc-sun-solaris2 #hack
300 HostPlatform_CPP='sparc_sun_solaris2'
303 HostOS_CPP='solaris2'
306 echo "Unrecognised platform: $HostPlatform"
310 echo "Canonicalised to: $HostPlatform"
311 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
312 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
314 BuildPlatform_CPP=$HostPlatform_CPP
315 TargetPlatform_CPP=$HostPlatform_CPP
316 BuildArch_CPP=$HostArch_CPP
317 TargetArch_CPP=$HostArch_CPP
318 BuildOS_CPP=$HostOS_CPP
320 TargetOS_CPP=$HostOS_CPP
321 BuildVendor_CPP=$HostVendor_CPP
322 TargetVendor_CPP=$HostVendor_CPP
324 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
325 dnl AC_SUBST(BuildPlatform)
327 AC_SUBST(HostPlatform)
328 AC_SUBST(TargetPlatform)
329 AC_SUBST(HostPlatform_CPP)
330 dnl AC_SUBST(BuildPlatform_CPP)
331 dnl AC_SUBST(TargetPlatform_CPP)
333 AC_SUBST(HostArch_CPP)
334 dnl AC_SUBST(BuildArch_CPP)
335 dnl AC_SUBST(TargetArch_CPP)
338 AC_SUBST(HostOS_Full)
339 dnl AC_SUBST(BuildOS_CPP)
340 dnl AC_SUBST(TargetOS_CPP)
342 AC_SUBST(HostVendor_CPP)
343 dnl AC_SUBST(BuildVendor_CPP)
344 dnl AC_SUBST(TargetVendor_CPP)
349 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
350 # (but with b-slashes being escaped).
351 case $HostPlatform in
352 i386-unknown-mingw32 | i386-unknown-cygwin32)
353 # get rid off /cygdrive/ prefix
354 hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
355 hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
358 hardtop_plat=${hardtop}
362 AC_SUBST(hardtop_plat)
364 dnl --------------------------------------------------------------
365 dnl * Project specific configuration options
366 dnl --------------------------------------------------------------
367 dnl What follows is a bunch of options that can either be configured
368 dnl through command line options to the configure script or by
369 dnl supplying defns in the build tree's mk/build.mk. Having the option to
370 dnl use either is considered a Feature.
372 dnl ** What command to use to compile compiler sources ?
373 dnl --------------------------------------------------------------
376 [ --with-ghc=<haskell compiler>
377 Use a command different from 'ghc' to compile GHC-specific Haskell code
378 (including GHC itself).
380 [ WithGhc="$withval" ],
382 if test "$GHC" = ""; then
383 AC_PATH_PROG(GHC,ghc)
391 [ --with-hc=<haskell compiler>
392 Use a command different from 'ghc' to compile generic Haskell code.
399 if test "$WithGhc" != ""; then
400 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
401 AC_SUBST(GhcVersion)dnl
402 AC_SUBST(GhcMajVersion)dnl
403 AC_SUBST(GhcMinVersion)dnl
404 AC_SUBST(GhcPatchLevel)dnl
407 AC_PATH_PROGS(NHC,nhc nhc98)
408 AC_PATH_PROG(HBC,hbc)
410 dnl ** Which gcc to use?
411 dnl --------------------------------------------------------------
413 [ --with-gcc=<gcc command>
414 Use a different command instead of 'gcc' for the GNU C compiler.
416 [WhatGccIsCalled="$withval"
418 [WhatGccIsCalled="gcc"]
420 AC_SUBST(WhatGccIsCalled)
422 dnl ** Booting from .hc files?
423 dnl --------------------------------------------------------------
424 AC_ARG_ENABLE(hc-boot,
426 Boot the Glasgow Haskell Compiler from intermediate .hc files.
427 (This option is mostly of interest to porters.)
432 AC_SUBST(BootingFromHc)
434 dnl ** Booting from unregisterised .hc files?
435 dnl --------------------------------------------------------------
436 AC_ARG_ENABLE(hc-boot-unregisterised,
437 [ --enable-hc-boot-unregisterised
438 With --enable-hc-boot, treat the intermediate .hc files as
439 unregisterised rather than registerised code.
440 (This option is mostly of interest to porters.)
442 [BootingFromUnregisterisedHc=YES],
443 [BootingFromUnregisterisedHc=NO]
445 AC_SUBST(BootingFromUnregisterisedHc)
447 if test "$BootingFromHc" = "NO"; then
448 if test "$BootingFromUnregisterisedHc" = "YES"; then
449 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
454 dnl ** Enable multi-thread friendly RTS?
455 dnl --------------------------------------------------------------
456 AC_ARG_ENABLE(threaded-rts,
457 [ --enable-threaded-rts
458 Support better interop with OS threads.
463 AC_SUBST(ThreadedRts)
465 dnl ** Enable the construction of Win32 DLLs?
466 dnl --------------------------------------------------------------
467 AC_ARG_ENABLE(win32-dlls,
468 [ --enable-win32-dlls
469 If on a Win32 platform running mingw32/cygwin, enable the
470 construction of DLLs containing ghc-compiled code.
476 *) echo "Unrecognised win32 platform: $HostPlatform"
484 AC_SUBST(EnableWin32DLLs)
485 if test x"$EnableWin32DLLs" = "xYES" ; then
486 AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
489 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
490 dnl --------------------------------------------------------------
491 AC_ARG_ENABLE(hopengl,
493 Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
494 (This option is only relevant when hslibs are built.)
496 [GhcLibsWithHOpenGL=YES],
497 [GhcLibsWithHOpenGL=NO]
499 AC_SUBST(GhcLibsWithHOpenGL)
501 dnl ** Use a specific version of the GLUT API
502 dnl --------------------------------------------------------------
503 AC_ARG_WITH(glut-api,
504 [ --with-glut-api=<version>
505 Use a specific version of the GLUT API when building HOpenGL.
507 test -n "$with_glut_api" && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
510 dnl ** Use a specific version of the GLUT API
511 dnl --------------------------------------------------------------
512 AC_ARG_WITH(glut-xlib,
513 [ --with-glut-xlib=<version>
514 Use a specific version of the GLUT Xlib implementation when building HOpenGL.
516 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
521 dnl --------------------------------------------------------------
522 dnl End of configure script option section
523 dnl --------------------------------------------------------------
526 dnl --------------------------------------------------------------
527 dnl * General configuration checks
528 dnl --------------------------------------------------------------
533 dnl ** look for `perl', but only in /bin on Windows
536 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
537 if test -z "$PerlCmd"; then
538 echo "You must install the version of Perl shipped with GHC"
539 echo "(or a compatible one) in /bin."
544 AC_PATH_PROG(PerlCmd,perl)
545 if test -z "$PerlCmd"; then
546 echo "You must install perl before you can continue"
547 echo "Perhaps it is already installed, but not in your PATH?"
550 FPTOOLS_CHECK_PERL_VERSION
555 dnl ** does #! path/to/perl work? (sometimes it's too long...)
558 dnl ** look for GCC and find out which version
559 dnl Figure out which C compiler to use. Gcc is preferred.
560 dnl If gcc, make sure it's at least 2.1
565 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
568 dnl ** Without optimization some INLINE trickery fails for GHCi
571 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
572 if test x"$TargetOS_CPP" = x"mingw32"; then
573 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
574 SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
575 CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
577 AC_SUBST(SRC_CC_OPTS)
579 dnl ** figure out how to do context diffs
582 dnl ** Find find command (for Win32's benefit)
585 dnl ** look for a decent parser generator (bison preferred)
586 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
587 dnl on the suitability of the 'yacc' returned.)
590 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
591 dnl AC_PROG_LEX, since it doesn't actually check whether 'lex'
592 dnl exists if 'flex' doesn't.
595 dnl ** figure out how to do a BSD-ish install
598 dnl If you can run configure, you certainly have /bin/sh
599 AC_DEFINE(HAVE_BIN_SH)
601 dnl ** how to invoke `ar' and `ranlib'
602 FPTOOLS_PROG_AR_AND_RANLIB
604 dnl ** Check to see whether ln -s works
608 dnl ** Find the path to sed
609 AC_PATH_PROG(SedCmd,sed)
612 dnl ** check for time command
613 AC_PATH_PROG(TimeCmd,time)
617 dnl if GNU tar is named gtar, look for it first.
618 AC_PATH_PROGS(TarCmd,gtar tar,tar)
620 dnl ** check for gzip/compress
621 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
623 dnl ** check for jade/openjade & determine a working catalog
624 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
625 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
626 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
627 if test -z "$Catalog"; then
628 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
631 yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
637 Catalog=`cygpath -w $hardtop/$Catalog`
639 *) Catalog=$hardtop/$Catalog
646 compress_nm=`basename $CompressCmd`
647 if test x"$compress_nm" = xgzip; then
648 CompressCmd="$CompressCmd -d"
653 AC_SUBST(CompressCmd)
654 AC_SUBST(CompressSuffix)
656 AC_ARG_ENABLE(src-tree-happy,
657 [ --enable-src-tree-happy
658 Build and use source tree (fptools/happy) version of happy.
660 [UseSrcTreeHappy=YES],
663 dnl ** check for installed happy binary + version
664 dnl (don't do it if we're booting from .hc files though.)
665 if test "$BootingFromHc" = "NO"; then
669 dnl --------------------------------------------------
670 dnl ### program checking section ends here ###
671 dnl --------------------------------------------------
673 dnl --------------------------------------------------
674 dnl * Platform header file and syscall feature tests
675 dnl ### checking the state of the local header files and syscalls ###
677 dnl ** check for full ANSI header (.h) files
680 dnl ** check for specific header (.h) files that we are interested in
681 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h sys/uio.h)
683 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
684 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
686 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
687 HaveReadlineHeaders=YES
688 AC_DEFINE(HAVE_READLINE_HEADERS,1)
690 HaveReadlineHeaders=NO
691 AC_DEFINE(HAVE_READLINE_HEADERS,0)
693 AC_SUBST(HaveReadlineHeaders)
695 dnl ** check for DOS include files
696 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
698 dnl ** check for Windows include files
699 AC_CHECK_HEADERS(windows.h)
701 dnl ** check for OpenGL include files
702 AC_CHECK_HEADERS(GL/gl.h)
704 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
707 dnl dynamic loading include files
708 AC_CHECK_HEADERS(dlfcn.h dl.h)
710 dnl ** check for farcalloc (in bcc)
711 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
713 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
714 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
716 dnl ** check for POSIX regex
718 AC_CHECK_HEADER(regex.h,AC_CHECK_FUNC(regcomp, HavePosixRegex=YES))
719 AC_SUBST(HavePosixRegex)
721 dnl ** how do we get a timezone name, and UTC offset ?
724 dnl ** what's the type of timezone?
725 FPTOOLS_HAVE_TIMEZONE
726 FPTOOLS_TYPE_TIMEZONE
728 dnl ** do we have altzone?
731 dnl ** does struct stat contain st_blksize?
734 dnl ** do we have long longs?
737 dnl ** what are the sizes of various types
738 dnl (these must come before GHC_CHECK_ALIGNMENT)
739 AC_CHECK_SIZEOF(char, 1)
740 AC_CHECK_SIZEOF(double, 8)
741 AC_CHECK_SIZEOF(float, 4)
742 AC_CHECK_SIZEOF(int, 4)
743 AC_CHECK_SIZEOF(long, 4)
744 if test "$fptools_cv_have_long_long" = yes; then
745 AC_CHECK_SIZEOF(long long, 8)
747 AC_CHECK_SIZEOF(short, 2)
748 AC_CHECK_SIZEOF(unsigned char, 1)
749 AC_CHECK_SIZEOF(unsigned int, 4)
750 AC_CHECK_SIZEOF(unsigned long, 4)
751 if test "$fptools_cv_have_long_long" = yes; then
752 AC_CHECK_SIZEOF(unsigned long long, 8)
754 AC_CHECK_SIZEOF(unsigned short, 2)
755 AC_CHECK_SIZEOF(void *, 4)
757 dnl ** what are alignment constraints on various types
758 FPTOOLS_CHECK_ALIGNMENT(char)
759 FPTOOLS_CHECK_ALIGNMENT(double)
760 FPTOOLS_CHECK_ALIGNMENT(float)
761 FPTOOLS_CHECK_ALIGNMENT(int)
762 FPTOOLS_CHECK_ALIGNMENT(long)
763 if test "$fptools_cv_have_long_long" = yes; then
764 FPTOOLS_CHECK_ALIGNMENT(long long)
766 FPTOOLS_CHECK_ALIGNMENT(short)
767 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
768 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
769 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
770 if test "$fptools_cv_have_long_long" = yes; then
771 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
773 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
774 FPTOOLS_CHECK_ALIGNMENT(void *)
776 dnl ** map standard C types and ISO types to Haskell types
777 FPTOOLS_CHECK_HTYPE(char)
778 FPTOOLS_CHECK_HTYPE(signed char)
779 FPTOOLS_CHECK_HTYPE(unsigned char)
780 FPTOOLS_CHECK_HTYPE(short)
781 FPTOOLS_CHECK_HTYPE(unsigned short)
782 FPTOOLS_CHECK_HTYPE(int)
783 FPTOOLS_CHECK_HTYPE(unsigned int)
784 FPTOOLS_CHECK_HTYPE(long)
785 FPTOOLS_CHECK_HTYPE(unsigned long)
786 if test "$fptools_cv_have_long_long" = yes; then
787 FPTOOLS_CHECK_HTYPE(long long)
788 FPTOOLS_CHECK_HTYPE(unsigned long long)
790 FPTOOLS_CHECK_HTYPE(float)
791 FPTOOLS_CHECK_HTYPE(double)
792 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
793 FPTOOLS_CHECK_HTYPE(size_t)
794 FPTOOLS_CHECK_HTYPE(wchar_t)
795 dnl Int32 is a HACK for non-ISO C compilers
796 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
797 FPTOOLS_CHECK_HTYPE(clock_t)
798 FPTOOLS_CHECK_HTYPE(time_t)
799 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
800 FPTOOLS_CHECK_HTYPE(ino_t)
801 FPTOOLS_CHECK_HTYPE(mode_t)
802 FPTOOLS_CHECK_HTYPE(off_t)
803 FPTOOLS_CHECK_HTYPE(pid_t)
804 FPTOOLS_CHECK_HTYPE(gid_t)
805 FPTOOLS_CHECK_HTYPE(uid_t)
806 FPTOOLS_CHECK_HTYPE(cc_t)
807 FPTOOLS_CHECK_HTYPE(speed_t)
808 FPTOOLS_CHECK_HTYPE(tcflag_t)
809 FPTOOLS_CHECK_HTYPE(nlink_t)
810 FPTOOLS_CHECK_HTYPE(ssize_t)
812 dnl ** Map OpenGL data types to Haskell types
813 if test $GhcLibsWithHOpenGL = YES ; then
814 FPTOOLS_CHECK_HTYPE(GLboolean)
815 FPTOOLS_CHECK_HTYPE(GLbyte)
816 FPTOOLS_CHECK_HTYPE(GLubyte)
817 FPTOOLS_CHECK_HTYPE(GLshort)
818 FPTOOLS_CHECK_HTYPE(GLushort)
819 FPTOOLS_CHECK_HTYPE(GLint)
820 FPTOOLS_CHECK_HTYPE(GLuint)
821 FPTOOLS_CHECK_HTYPE(GLsizei)
822 FPTOOLS_CHECK_HTYPE(GLenum)
823 FPTOOLS_CHECK_HTYPE(GLbitfield)
824 FPTOOLS_CHECK_HTYPE(GLfloat)
825 FPTOOLS_CHECK_HTYPE(GLclampf)
826 FPTOOLS_CHECK_HTYPE(GLdouble)
827 FPTOOLS_CHECK_HTYPE(GLclampd)
830 dnl ** can we open files in binary mode?
833 dnl ** check for GetModuleFileName and WinExec (windows only)
834 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
835 dnl Doesn't work because the linker can't see the functions if
836 dnl you omit the #include <windows.h>. (I've no idea why not...)
838 FPTOOLS_TRY_LINK_NOWARN(,[
849 if test "$have_winexec" = "1"; then
850 AC_DEFINE(HAVE_WINEXEC)
853 FPTOOLS_TRY_LINK_NOWARN(,[
859 GetModuleFileName((HMODULE)0,dir,0);
863 [have_getmodulefilename=1],
864 [have_getmodulefilename=0])
865 if test "$have_getmodulefilename" = "1"; then
866 AC_DEFINE(HAVE_GETMODULEFILENAME)
869 dnl ** check return type of signal handlers
870 dnl Foo: assumes we can use prototypes.
871 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
872 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
873 dnl [AC_TRY_COMPILE([#include <sys/types.h>
874 dnl #include <signal.h>
878 dnl void (*signal (int, void (*)(int)))(int);
881 dnl ac_cv_type_signal_handler=void_int,
882 dnl ac_cv_type_signal_handler=int_void)])
883 dnl if test "$ac_cv_type_signal_handler" = void_int; then
884 dnl AC_DEFINE(VOID_INT_SIGNALS)
887 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
889 if test "$ac_cv_type_signal" = void; then
890 AC_DEFINE(VOID_INT_SIGNALS)
893 dnl ** check for more functions
894 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
895 AC_CHECK_FUNCS(strcmp)
896 AC_CHECK_FUNCS(realpath _fullpath)
897 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
898 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
899 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
900 AC_CHECK_FUNCS(snprintf _snprintf )
901 AC_CHECK_FUNCS(popen _popen )
902 AC_CHECK_FUNCS(pclose _pclose )
905 dnl ** check for specific library functions that we are interested in
906 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r)
908 dnl ** check whether this machine has gmp3 installed
909 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
910 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
911 HaveLibGmp=NO; LibGmp=not-installed))
915 if test "$HaveLibGmp" = "NO"; then
916 if test "$HostArch_CPP" = "ia64"; then
917 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
921 dnl ** check whether this machine has GNU regex in libc.
922 FPTOOLS_REGEX_IN_LIBC
924 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
925 dnl the order of these tests matters: bfd needs liberty
926 AC_CHECK_LIB(iberty, xmalloc)
927 AC_CHECK_LIB(bfd, bfd_init)
929 dnl ** check for readline, for Hugs and hslibs' Readline
930 dnl ncurses supersedes termcap and curses, but for compatibility,
931 dnl we have to check for all...
932 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
933 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
934 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
935 HaveLibTermcap=NO; LibTermcap=not-installed)))
937 if test $HaveLibTermcap = YES ; then
938 LIBS="-l$LibTermcap $LIBS"
939 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
942 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
943 AC_DEFINE(HAVE_READLINE_LIBS,1)
944 LibsReadline="readline $LibTermcap"
946 AC_DEFINE(HAVE_READLINE_LIBS,0)
949 AC_SUBST(LibsReadline)
951 if test "$HaveLibReadline"; then
952 AC_CHECK_LIB(readline, rl_erase_empty_line,
953 [AC_DEFINE(HAVE_READLINE_4, 1)],
954 [AC_DEFINE(HAVE_READLINE_4, 0)])
955 AC_CHECK_LIB(readline, rl_free_undo_list,
956 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
957 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
959 AC_DEFINE(HAVE_READLINE_4, 0)
960 AC_DEFINE(HAVE_READLINE_4_2, 0)
963 dnl ** check for math library
975 dnl ################################################################
976 dnl Check for libraries
977 dnl ################################################################
979 dnl ** check for libdl & RTLD_NEXT
981 AC_CHECK_LIB(dl, dlopen,
983 AC_DEFINE(HAVE_LIBDL)
986 AC_CHECK_FUNCS(dlopen)
989 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
990 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
999 AC_DEFINE(HAVE_RTLDNEXT)
1005 AC_SUBST(HaveRtldNext)
1007 dnl ** RTLD_LOCAL isn't available on cygwin
1008 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1017 AC_DEFINE(HAVE_RTLDLOCAL)
1023 AC_SUBST(HaveRtldLocal)
1025 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1027 dnl --------------------------------------------------
1029 dnl --------------------------------------------------
1031 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1032 if test "$GTK_CONFIG" != ""; then
1033 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1034 fptools_cv_gtk_version=`$GTK_CONFIG --version`
1036 GTK_VERSION=$fptools_cv_gtk_version
1041 case $fptools_cv_gtk_version in
1043 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1048 AC_SUBST(GTK_CONFIG)
1049 AC_SUBST(GTK_VERSION)
1051 dnl --------------------------------------------------
1052 dnl * Miscellaneous feature tests
1053 dnl --------------------------------------------------
1055 dnl ** can we get alloca?
1058 dnl ** determine whether or not const works
1061 dnl ** determine whether ANSI-function prototypes work?
1064 dnl ** are we big endian?
1066 # Allay users' general fear of warnings of any kind.
1067 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1069 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1072 dnl ** check for leading underscores in symbol names
1075 dnl ** how is the end of text section signalled?
1076 FPTOOLS_END_TEXT_SECTION
1078 dnl ** how is the end of data section signalled?
1079 FPTOOLS_END_DATA_SECTION
1081 dnl ** code before data?
1082 FPTOOLS_CODE_BEFORE_DATA
1084 dnl ** check for ld, and whether ld has -x option
1085 AC_PATH_PROG(LdCmdRaw, ld)
1087 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1089 *) LdCmd=${LdCmdRaw}
1095 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )