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_CPP='m68k_next_nextstep2'
209 HostVendor_CPP='next'
210 HostOS_CPP='nextstep2'
213 HostPlatform_CPP='m68k_next_nextstep3'
215 HostVendor_CPP='next'
216 HostOS_CPP='nextstep3'
218 i[[3456]]86-next-nextstep3)
219 HostPlatform=i386-next-nextstep3 # hack again
220 TargetPlatform=i386-next-nextstep3
221 BuildPlatform=i386-next-nextstep3
222 HostPlatform_CPP='i386_next_nextstep3'
224 HostVendor_CPP='next'
225 HostOS_CPP='nextstep3'
228 HostPlatform=m68k-sun-sunos4
229 TargetPlatform=m68k-sun-sunos4 #hack
230 BuildPlatform=m68k-sun-sunos4 #hack
231 HostPlatform_CPP='m68k_sun_sunos4'
237 HostPlatform_CPP='mips_dec_ultrix'
238 HostArch_CPP='mipsel' # NB a little different
243 HostPlatform=mips-sgi-irix
244 TargetPlatform=mips-sgi-irix #hack
245 BuildPlatform=mips-sgi-irix #hack
246 HostPlatform_CPP='mips_sgi_irix'
247 HostArch_CPP='mipseb' # NB a little different
252 HostPlatform=rs6000-ibm-aix
253 TargetPlatform=rs6000-ibm-aix #hack
254 BuildPlatform=rs6000-ibm-aix #hack
255 HostPlatform_CPP='rs6000_ibm_aix'
256 HostArch_CPP='rs6000'
261 HostPlatform=powerpc-ibm-aix
262 TargetPlatform=powerpc-ibm-aix #hack
263 BuildPlatform=powerpc-ibm-aix #hack
264 HostPlatform_CPP='powerpc_ibm_aix'
265 HostArch_CPP='powerpc'
269 powerpc-apple-macosx*)
270 HostPlatform=powerpc-apple-macosx
271 TargetPlatform=powerpc-apple-macosx #hack
272 BuildPlatform=powerpc-apple-macosx #hack
273 HostPlatform_CPP='powerpc_apple_macosx'
274 HostArch_CPP='powerpc'
275 HostVendor_CPP='apple'
279 HostPlatform=sparc-sun-sunos4
280 TargetPlatform=sparc-sun-sunos4 #hack
281 BuildPlatform=sparc-sun-sunos4 #hack
282 HostPlatform_CPP='sparc_sun_sunos4'
288 HostPlatform=sparc-sun-solaris2
289 TargetPlatform=sparc-sun-solaris2 #hack
290 BuildPlatform=sparc-sun-solaris2 #hack
291 HostPlatform_CPP='sparc_sun_solaris2'
294 HostOS_CPP='solaris2'
297 echo "Unrecognised platform: $HostPlatform"
301 echo "Canonicalised to: $HostPlatform"
302 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
303 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
305 BuildPlatform_CPP=$HostPlatform_CPP
306 TargetPlatform_CPP=$HostPlatform_CPP
307 BuildArch_CPP=$HostArch_CPP
308 TargetArch_CPP=$HostArch_CPP
309 BuildOS_CPP=$HostOS_CPP
311 TargetOS_CPP=$HostOS_CPP
312 BuildVendor_CPP=$HostVendor_CPP
313 TargetVendor_CPP=$HostVendor_CPP
315 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
316 dnl AC_SUBST(BuildPlatform)
318 AC_SUBST(HostPlatform)
319 AC_SUBST(TargetPlatform)
320 AC_SUBST(HostPlatform_CPP)
321 dnl AC_SUBST(BuildPlatform_CPP)
322 dnl AC_SUBST(TargetPlatform_CPP)
324 AC_SUBST(HostArch_CPP)
325 dnl AC_SUBST(BuildArch_CPP)
326 dnl AC_SUBST(TargetArch_CPP)
329 AC_SUBST(HostOS_Full)
330 dnl AC_SUBST(BuildOS_CPP)
331 dnl AC_SUBST(TargetOS_CPP)
333 AC_SUBST(HostVendor_CPP)
334 dnl AC_SUBST(BuildVendor_CPP)
335 dnl AC_SUBST(TargetVendor_CPP)
340 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
341 # (but with b-slashes being escaped).
342 case $HostPlatform in
343 i386-unknown-mingw32 | i386-unknown-cygwin32)
344 # get rid off /cygdrive/ prefix
345 hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
346 hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
349 hardtop_plat=${hardtop}
353 AC_SUBST(hardtop_plat)
355 dnl --------------------------------------------------------------
356 dnl * Project specific configuration options
357 dnl --------------------------------------------------------------
358 dnl What follows is a bunch of options that can either be configured
359 dnl through command line options to the configure script or by
360 dnl supplying defns in the build tree's mk/build.mk. Having the option to
361 dnl use either is considered a Feature.
363 dnl ** What command to use to compile compiler sources ?
364 dnl --------------------------------------------------------------
367 [ --with-ghc=<haskell compiler>
368 Use a command different from 'ghc' to compile GHC-specific Haskell code
369 (including GHC itself).
371 [ WithGhc="$withval" ],
373 if test "$GHC" = ""; then
374 AC_PATH_PROG(GHC,ghc)
382 [ --with-hc=<haskell compiler>
383 Use a command different from 'ghc' to compile generic Haskell code.
390 if test "$WithGhc" != ""; then
391 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
392 AC_SUBST(GhcVersion)dnl
393 AC_SUBST(GhcMajVersion)dnl
394 AC_SUBST(GhcMinVersion)dnl
395 AC_SUBST(GhcPatchLevel)dnl
398 AC_PATH_PROGS(NHC,nhc nhc98)
399 AC_PATH_PROG(HBC,hbc)
401 dnl ** Which gcc to use?
402 dnl --------------------------------------------------------------
404 [ --with-gcc=<gcc command>
405 Use a different command instead of 'gcc' for the GNU C compiler.
407 [WhatGccIsCalled="$withval"
409 [WhatGccIsCalled="gcc"]
411 AC_SUBST(WhatGccIsCalled)
413 dnl ** Booting from .hc files?
414 dnl --------------------------------------------------------------
415 AC_ARG_ENABLE(hc-boot,
417 Boot the Glasgow Haskell Compiler from intermediate .hc files.
418 (This option is mostly of interest to porters.)
423 AC_SUBST(BootingFromHc)
425 dnl ** Booting from unregisterised .hc files?
426 dnl --------------------------------------------------------------
427 AC_ARG_ENABLE(hc-boot-unregisterised,
428 [ --enable-hc-boot-unregisterised
429 With --enable-hc-boot, treat the intermediate .hc files as
430 unregisterised rather than registerised code.
431 (This option is mostly of interest to porters.)
433 [BootingFromUnregisterisedHc=YES],
434 [BootingFromUnregisterisedHc=NO]
436 AC_SUBST(BootingFromUnregisterisedHc)
438 if test "$BootingFromHc" = "NO"; then
439 if test "$BootingFromUnregisterisedHc" = "YES"; then
440 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
445 dnl ** Enable the construction of Win32 DLLs?
446 dnl --------------------------------------------------------------
447 AC_ARG_ENABLE(win32-dlls,
448 [ --enable-win32-dlls
449 If on a Win32 platform running mingw32/cygwin, enable the
450 construction of DLLs containing ghc-compiled code.
456 *) echo "Unrecognised win32 platform: $HostPlatform"
464 AC_SUBST(EnableWin32DLLs)
465 if test x"$EnableWin32DLLs" = "xYES" ; then
466 AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
469 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
470 dnl --------------------------------------------------------------
471 AC_ARG_ENABLE(hopengl,
473 Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
474 (This option is only relevant when hslibs are built.)
476 [GhcLibsWithHOpenGL=YES],
477 [GhcLibsWithHOpenGL=NO]
479 AC_SUBST(GhcLibsWithHOpenGL)
481 dnl ** Use a specific version of the GLUT API
482 dnl --------------------------------------------------------------
483 AC_ARG_WITH(glut-api,
484 [ --with-glut-api=<version>
485 Use a specific version of the GLUT API when building HOpenGL.
487 test -n "$with_glut_api" && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
490 dnl ** Use a specific version of the GLUT API
491 dnl --------------------------------------------------------------
492 AC_ARG_WITH(glut-xlib,
493 [ --with-glut-xlib=<version>
494 Use a specific version of the GLUT Xlib implementation when building HOpenGL.
496 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
501 dnl --------------------------------------------------------------
502 dnl End of configure script option section
503 dnl --------------------------------------------------------------
506 dnl --------------------------------------------------------------
507 dnl * General configuration checks
508 dnl --------------------------------------------------------------
513 dnl ** look for `perl', but only in /bin on Windows
516 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
517 if test -z "$PerlCmd"; then
518 echo "You must install the version of Perl shipped with GHC"
519 echo "(or a compatible one) in /bin."
524 AC_PATH_PROG(PerlCmd,perl)
525 if test -z "$PerlCmd"; then
526 echo "You must install perl before you can continue"
527 echo "Perhaps it is already installed, but not in your PATH?"
530 FPTOOLS_CHECK_PERL_VERSION
535 dnl ** does #! path/to/perl work? (sometimes it's too long...)
538 dnl ** look for GCC and find out which version
539 dnl Figure out which C compiler to use. Gcc is preferred.
540 dnl If gcc, make sure it's at least 2.1
545 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
548 dnl ** does the C compiler support the following options?
549 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
550 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
552 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
553 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
554 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
555 AC_SUBST(SRC_CC_OPTS)
557 dnl ** figure out how to do context diffs
560 dnl ** Find find command (for Win32's benefit)
563 dnl ** look for a decent parser generator (bison preferred)
564 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
565 dnl on the suitability of the 'yacc' returned.)
568 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
569 dnl AC_PROG_LEX, since it doesn't actually check whether 'lex'
570 dnl exists if 'flex' doesn't.
573 dnl ** figure out how to do a BSD-ish install
576 dnl If you can run configure, you certainly have /bin/sh
577 AC_DEFINE(HAVE_BIN_SH)
579 dnl ** how to invoke `ar' and `ranlib'
580 FPTOOLS_PROG_AR_AND_RANLIB
583 dnl ** Check to see whether ln -s works
587 dnl ** Find the path to sed
588 AC_PATH_PROG(SedCmd,sed)
591 dnl ** check for time command
592 AC_PATH_PROG(TimeCmd,time)
596 dnl if GNU tar is named gtar, look for it first.
597 AC_PATH_PROGS(TarCmd,gtar tar,tar)
599 dnl ** check for gzip/compress
600 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
602 dnl ** check for jade/openjade & determine a working catalog
603 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
604 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
605 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
606 if test -z "$Catalog"; then
607 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
613 Catalog=`cygpath -w $hardtop/$Catalog`
615 *) Catalog=$hardtop/$Catalog
622 compress_nm=`basename $CompressCmd`
623 if test x"$compress_nm" = xgzip; then
624 CompressCmd="$CompressCmd -d"
629 AC_SUBST(CompressCmd)
630 AC_SUBST(CompressSuffix)
632 dnl ** check for installed happy binary + version
633 dnl (don't do it if we're booting from .hc files though.)
634 if test "$BootingFromHc" = "NO"; then
638 dnl --------------------------------------------------
639 dnl ### program checking section ends here ###
640 dnl --------------------------------------------------
642 dnl --------------------------------------------------
643 dnl * Platform header file and syscall feature tests
644 dnl ### checking the state of the local header files and syscalls ###
646 dnl ** check for full ANSI header (.h) files
649 dnl ** check for specific header (.h) files that we are interested in
650 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)
652 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
653 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
655 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
656 HaveReadlineHeaders=YES
657 AC_DEFINE(HAVE_READLINE_HEADERS,1)
659 HaveReadlineHeaders=NO
660 AC_DEFINE(HAVE_READLINE_HEADERS,0)
662 AC_SUBST(HaveReadlineHeaders)
664 dnl ** check for DOS include files
665 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
667 dnl ** check for Windows include files
668 AC_CHECK_HEADERS(windows.h)
670 dnl ** check for OpenGL include files
671 AC_CHECK_HEADERS(GL/gl.h)
673 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
676 dnl dynamic loading include files
677 AC_CHECK_HEADERS(dlfcn.h dl.h)
679 dnl ** check for farcalloc (in bcc)
680 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
682 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
683 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
685 dnl ** how do we get a timezone name, and UTC offset ?
688 dnl ** what's the type of timezone?
689 FPTOOLS_HAVE_TIMEZONE
690 FPTOOLS_TYPE_TIMEZONE
692 dnl ** do we have altzone?
695 dnl ** does struct stat contain st_blksize?
698 dnl ** do we have long longs?
701 dnl ** what are the sizes of various types
702 dnl (these must come before GHC_CHECK_ALIGNMENT)
703 AC_CHECK_SIZEOF(char, 1)
704 AC_CHECK_SIZEOF(double, 8)
705 AC_CHECK_SIZEOF(float, 4)
706 AC_CHECK_SIZEOF(int, 4)
707 AC_CHECK_SIZEOF(long, 4)
708 if test "$fptools_cv_have_long_long" = yes; then
709 AC_CHECK_SIZEOF(long long, 8)
711 AC_CHECK_SIZEOF(short, 2)
712 AC_CHECK_SIZEOF(unsigned char, 1)
713 AC_CHECK_SIZEOF(unsigned int, 4)
714 AC_CHECK_SIZEOF(unsigned long, 4)
715 if test "$fptools_cv_have_long_long" = yes; then
716 AC_CHECK_SIZEOF(unsigned long long, 8)
718 AC_CHECK_SIZEOF(unsigned short, 2)
719 AC_CHECK_SIZEOF(void *, 4)
721 dnl ** what are alignment constraints on various types
722 FPTOOLS_CHECK_ALIGNMENT(char)
723 FPTOOLS_CHECK_ALIGNMENT(double)
724 FPTOOLS_CHECK_ALIGNMENT(float)
725 FPTOOLS_CHECK_ALIGNMENT(int)
726 FPTOOLS_CHECK_ALIGNMENT(long)
727 if test "$fptools_cv_have_long_long" = yes; then
728 FPTOOLS_CHECK_ALIGNMENT(long long)
730 FPTOOLS_CHECK_ALIGNMENT(short)
731 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
732 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
733 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
734 if test "$fptools_cv_have_long_long" = yes; then
735 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
737 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
738 FPTOOLS_CHECK_ALIGNMENT(void *)
740 dnl ** map standard C types and ISO types to Haskell types
741 FPTOOLS_CHECK_HTYPE(char)
742 FPTOOLS_CHECK_HTYPE(signed char)
743 FPTOOLS_CHECK_HTYPE(unsigned char)
744 FPTOOLS_CHECK_HTYPE(short)
745 FPTOOLS_CHECK_HTYPE(unsigned short)
746 FPTOOLS_CHECK_HTYPE(int)
747 FPTOOLS_CHECK_HTYPE(unsigned int)
748 FPTOOLS_CHECK_HTYPE(long)
749 FPTOOLS_CHECK_HTYPE(unsigned long)
750 if test "$fptools_cv_have_long_long" = yes; then
751 FPTOOLS_CHECK_HTYPE(long long)
752 FPTOOLS_CHECK_HTYPE(unsigned long long)
754 FPTOOLS_CHECK_HTYPE(float)
755 FPTOOLS_CHECK_HTYPE(double)
756 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
757 FPTOOLS_CHECK_HTYPE(size_t)
758 FPTOOLS_CHECK_HTYPE(wchar_t)
759 dnl Int32 is a HACK for non-ISO C compilers
760 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
761 FPTOOLS_CHECK_HTYPE(clock_t)
762 FPTOOLS_CHECK_HTYPE(time_t)
764 dnl ** Map OpenGL data types to Haskell types
765 if test $GhcLibsWithHOpenGL = YES ; then
766 FPTOOLS_CHECK_HTYPE(GLboolean)
767 FPTOOLS_CHECK_HTYPE(GLbyte)
768 FPTOOLS_CHECK_HTYPE(GLubyte)
769 FPTOOLS_CHECK_HTYPE(GLshort)
770 FPTOOLS_CHECK_HTYPE(GLushort)
771 FPTOOLS_CHECK_HTYPE(GLint)
772 FPTOOLS_CHECK_HTYPE(GLuint)
773 FPTOOLS_CHECK_HTYPE(GLsizei)
774 FPTOOLS_CHECK_HTYPE(GLenum)
775 FPTOOLS_CHECK_HTYPE(GLbitfield)
776 FPTOOLS_CHECK_HTYPE(GLfloat)
777 FPTOOLS_CHECK_HTYPE(GLclampf)
778 FPTOOLS_CHECK_HTYPE(GLdouble)
779 FPTOOLS_CHECK_HTYPE(GLclampd)
782 dnl ** can we open files in binary mode?
785 dnl ** check for GetModuleFileName and WinExec (windows only)
786 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
787 dnl Doesn't work because the linker can't see the functions if
788 dnl you omit the #include <windows.h>. (I've no idea why not...)
790 FPTOOLS_TRY_LINK_NOWARN(,[
801 if test "$have_winexec" = "1"; then
802 AC_DEFINE(HAVE_WINEXEC)
805 FPTOOLS_TRY_LINK_NOWARN(,[
811 GetModuleFileName((HMODULE)0,dir,0);
815 [have_getmodulefilename=1],
816 [have_getmodulefilename=0])
817 if test "$have_getmodulefilename" = "1"; then
818 AC_DEFINE(HAVE_GETMODULEFILENAME)
821 dnl ** check return type of signal handlers
822 dnl Foo: assumes we can use prototypes.
823 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
824 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
825 dnl [AC_TRY_COMPILE([#include <sys/types.h>
826 dnl #include <signal.h>
830 dnl void (*signal (int, void (*)(int)))(int);
833 dnl ac_cv_type_signal_handler=void_int,
834 dnl ac_cv_type_signal_handler=int_void)])
835 dnl if test "$ac_cv_type_signal_handler" = void_int; then
836 dnl AC_DEFINE(VOID_INT_SIGNALS)
839 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
841 if test "$ac_cv_type_signal" = void; then
842 AC_DEFINE(VOID_INT_SIGNALS)
845 dnl ** check for more functions
846 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
847 AC_CHECK_FUNCS(strcmp)
848 AC_CHECK_FUNCS(realpath _fullpath)
849 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
850 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
851 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
852 AC_CHECK_FUNCS(snprintf _snprintf )
853 AC_CHECK_FUNCS(popen _popen )
854 AC_CHECK_FUNCS(pclose _pclose )
857 dnl ** check for specific library functions that we are interested in
858 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)
860 dnl ** check whether this machine has gmp3 installed
861 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
862 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
863 HaveLibGmp=No; LibGmp=not-installed))
867 dnl ** check whether this machine has GNU regex in libc.
868 FPTOOLS_REGEX_IN_LIBC
870 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
871 dnl the order of these tests matters: bfd needs liberty
872 AC_CHECK_LIB(iberty, xmalloc)
873 AC_CHECK_LIB(bfd, bfd_init)
875 dnl ** check for readline, for Hugs and hslibs' Readline
876 dnl ncurses supersedes termcap and curses, but for compatibility,
877 dnl we have to check for all...
878 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
879 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
880 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
881 HaveLibTermcap=NO; LibTermcap=not-installed)))
883 if test $HaveLibTermcap = YES ; then
884 LIBS="-l$LibTermcap $LIBS"
885 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
888 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
889 AC_DEFINE(HAVE_READLINE_LIBS,1)
890 LibsReadline="readline $LibTermcap"
892 AC_DEFINE(HAVE_READLINE_LIBS,0)
895 AC_SUBST(LibsReadline)
897 if test "$HaveLibReadline"; then
898 AC_CHECK_LIB(readline, rl_erase_empty_line,
899 [AC_DEFINE(HAVE_READLINE_4, 1)],
900 [AC_DEFINE(HAVE_READLINE_4, 0)])
901 AC_CHECK_LIB(readline, rl_free_undo_list,
902 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
903 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
905 AC_DEFINE(HAVE_READLINE_4, 0)
906 AC_DEFINE(HAVE_READLINE_4_2, 0)
909 dnl ** check for math library
919 dnl ################################################################
920 dnl Check for libraries
921 dnl ################################################################
923 AC_CHECK_LIB(dl, dlopen,
925 AC_DEFINE(HAVE_LIBDL)
928 AC_CHECK_FUNCS(dlopen)
931 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
933 dnl --------------------------------------------------
935 dnl --------------------------------------------------
937 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
938 if test "$GTK_CONFIG" != ""; then
939 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
940 fptools_cv_gtk_version=`$GTK_CONFIG --version`
942 GTK_VERSION=$fptools_cv_gtk_version
947 case $fptools_cv_gtk_version in
949 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
955 AC_SUBST(GTK_VERSION)
957 dnl --------------------------------------------------
958 dnl * Miscellaneous feature tests
959 dnl --------------------------------------------------
961 dnl ** can we get alloca?
964 dnl ** determine whether or not const works
967 dnl ** determine whether ANSI-function prototypes work?
970 dnl ** are we big endian?
972 # Allay users' general fear of warnings of any kind.
973 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
975 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
978 dnl ** check for leading underscores in symbol names
981 dnl ** how is the end of text section signalled?
982 FPTOOLS_END_TEXT_SECTION
984 dnl ** how is the end of data section signalled?
985 FPTOOLS_END_DATA_SECTION
987 dnl ** code before data?
988 FPTOOLS_CODE_BEFORE_DATA
990 dnl ** check for ld, and whether ld has -x option
991 AC_PATH_PROG(LdCmd, ld)
994 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )