1 # Extra autoconf macros for the Glasgow fptools
3 # To be a good autoconf citizen, names of local macros have prefixed with FP_ to
4 # ensure we don't clash with any pre-supplied autoconf ones.
9 # Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise.
10 # Used by base package.
11 AC_DEFUN([FP_ALTZONE],
12 [AC_REQUIRE([AC_HEADER_TIME])dnl
13 AC_CHECK_HEADERS([sys/time.h])
14 AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME
15 # include <sys/time.h>
19 # include <sys/time.h>
27 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
28 # ---------------------------------------------------------
29 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
30 # compilation. Execute IF-FAILS when unable to determine the value. Works for
31 # cross-compilation, too.
32 # Note: We are lazy and use an internal autoconf macro, but it is supported in
33 # autoconf versions 2.50 up to the actual 2.57, so there is little risk.
34 AC_DEFUN([FP_COMPUTE_INT],
35 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
39 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
40 # ------------------------------------------------------------------
41 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
42 # given type. Defines ALIGNMENT_TYPE.
43 AC_DEFUN([FP_CHECK_ALIGNMENT],
44 [AS_LITERAL_IF([$1], [],
45 [AC_FATAL([$0: requires literal arguments])])dnl
46 AC_CHECK_TYPE([$1], [], [], [$3])
47 AC_CACHE_CHECK([alignment of $1], AS_TR_SH([fp_cv_alignment_$1]),
48 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
49 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
50 [AS_TR_SH([fp_cv_alignment_$1])],
51 [AC_INCLUDES_DEFAULT([$3])],
52 [AC_MSG_FAILURE([cannot compute alignment ($1), 77])])
54 AS_TR_SH([fp_cv_alignment_$1])=0
56 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $AS_TR_SH([fp_cv_alignment_$1]),
57 [The alignment of a `$1'.])
58 ])# FP_CHECK_ALIGNMENT
61 dnl ** check for leading underscores in symbol names
63 dnl Test for determining whether symbol names have a leading
66 dnl We assume that they _haven't_ if anything goes wrong.
68 dnl Some nlist implementations seem to try to be compatible by ignoring
69 dnl a leading underscore sometimes (eg. FreeBSD). We therefore have
70 dnl to work around this by checking for *no* leading underscore first.
73 dnl Similarly on OpenBSD, but this test doesn't help. -- dons
75 AC_DEFUN(FPTOOLS_UNDERSCORE,
76 [AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl
77 AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore,
80 dnl Hack!: nlist() under Digital UNIX insist on there being an _,
81 dnl but symbol table listings shows none. What is going on here?!?
83 dnl Another hack: cygwin doesn't come with nlist.h , so we hardwire
84 dnl the underscoredness of that "platform"
85 changequote(<<, >>)dnl
88 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
90 i386-*2\.[[0-9]] | i386-*3\.[[0-3]] ) fptools_cv_lead_uscore='yes' ;;
91 *) fptools_cv_lead_uscore='no' ;;
93 alpha-dec-osf*) fptools_cv_lead_uscore='no';;
94 *cygwin32) fptools_cv_lead_uscore='yes';;
95 *mingw32) fptools_cv_lead_uscore='yes';;
98 AC_TRY_RUN([#ifdef HAVE_NLIST_H
100 changequote(<<, >>)dnl
102 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
103 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
111 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
113 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
118 }], fptools_cv_lead_uscore=yes, fptools_cv_lead_uscore=no, fptools_cv_lead_uscore=NO)
121 LeadingUnderscore=`echo $fptools_cv_lead_uscore | sed 'y/yesno/YESNO/'`
122 AC_SUBST(LeadingUnderscore)
123 case $LeadingUnderscore in
124 YES) AC_DEFINE(LEADING_UNDERSCORE);;
129 dnl FPTOOLS_PROG_CHECK_VERSION(VERSIONSTR1, TEST, VERSIONSTR2,
130 dnl ACTION-IF-TRUE [, ACTION-IF-FALSE])
132 dnl compare versions field-wise (separator is '.')
133 dnl TEST is one of {-lt,-le,-eq,-ge,-gt}
135 dnl quite shell-independant and SUSv2 compliant code
137 dnl NOTE: the loop could be unrolled within autoconf, but the
138 dnl macro code would be a) longer and b) harder to debug... ;)
140 AC_DEFUN(FPTOOLS_PROG_CHECK_VERSION,
145 set -- [$]a; h1="[$]1"; shift 2>/dev/null; a="[$]*"
146 set -- [$]b; h2="[$]1"; shift 2>/dev/null; b="[$]*"
147 test -n "[$]h1" || h1=0; test -n "[$]h2" || h2=0
148 test [$]{h1} -eq [$]{h2} || break
150 test [$]{h1} [$2] [$]{h2}
152 then ifelse([$4],,[:],[
162 dnl Check for Greencard and version.
164 AC_DEFUN(FPTOOLS_GREENCARD,
166 AC_PATH_PROG(GreencardCmd,greencard)
167 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
169 [if test x"$GreencardCmd" != x; then
170 fptools_cv_greencard_version="`$GreencardCmd --version |
171 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
173 fptools_cv_greencard_version=""
177 FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_greencard_version],-lt,$1,
178 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])dnl
179 GreencardVersion=$fptools_cv_greencard_version
180 AC_SUBST(GreencardVersion)
184 dnl Check for Happy and version. If we're building GHC, then we need
185 dnl at least Happy version 1.13. If there's no installed Happy, we look
186 dnl for a happy source tree and point the build system at that instead.
188 AC_DEFUN(FPTOOLS_HAPPY,
190 if test -d $srcdir/happy; then
191 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
193 if test x"$UseSrcTreeHappy" = xYES; then
194 HappyCmd=$SrcTreeHappyCmd
196 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
198 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
200 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd"; then
201 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
202 elif test x"$HappyCmd" != x; then
203 fptools_cv_happy_version="`$HappyCmd -v |
204 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
206 fptools_cv_happy_version="";
210 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
211 FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_happy_version],-lt,[1.13],
212 [AC_MSG_ERROR([Happy version 1.13 or later is required to compile GHC.])])dnl
214 HappyVersion=$fptools_cv_happy_version;
215 AC_SUBST(HappyVersion)
219 dnl Check for Haddock and version. If there's no installed Haddock, we look
220 dnl for a haddock source tree and point the build system at that instead.
222 AC_DEFUN(FPTOOLS_HADDOCK,
224 if test -d $srcdir/haddock; then
225 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
227 if test x"$UseSrcTreeHaddock" = xYES; then
228 HaddockCmd=$SrcTreeHaddockCmd
230 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
232 dnl Darn, I forgot to make Haddock print out its version number when
233 dnl invoked with -v. We could try generating some HTML and grepping
234 dnl through that to find the version number, but I think we'll make
235 dnl do without it for now.
239 dnl Check for Alex and version. If we're building GHC, then we need
240 dnl at least Alex version 2.0. If there's no installed Alex, we look
241 dnl for a alex source tree and point the build system at that instead.
243 AC_DEFUN(FPTOOLS_ALEX,
245 if test -d $srcdir/alex; then
246 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
248 if test x"$UseSrcTreeAlex" = xYES; then
249 AlexCmd=$SrcTreeAlexCmd
251 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
253 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
255 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
256 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
257 elif test x"$AlexCmd" != x; then
258 fptools_cv_alex_version="`$AlexCmd -v |
259 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
261 fptools_cv_alex_version="";
265 dnl if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
266 dnl FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_alex_version],-lt,[2.0],
267 dnl [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])dnl
269 AlexVersion=$fptools_cv_alex_version;
270 AC_SUBST(AlexVersion)
274 dnl What's the best way of doing context diffs?
276 dnl (NB: NeXTStep thinks diff'ing a file against itself is "trouble")
278 AC_DEFUN(FPTOOLS_PROG_DIFF,
279 [AC_CACHE_CHECK([for ok way to do context diffs], fptools_cv_context_diffs,
280 [echo foo > conftest1
282 if diff -C 1 conftest1 conftest2 > /dev/null 2>&1 ; then
283 fptools_cv_context_diffs='diff -C 1'
285 if diff -c1 conftest1 conftest2 > /dev/null 2>&1 ; then
286 fptools_cv_context_diffs='diff -c1'
288 echo "Can't figure out how to do context diffs."
289 echo "Neither \`diff -C 1' nor \`diff -c1' works."
293 rm -f conftest1 conftest2
295 ContextDiffCmd=$fptools_cv_context_diffs
296 AC_SUBST(ContextDiffCmd)
300 dnl Check whether ld supports -x
302 AC_DEFUN(FPTOOLS_LD_X,
303 [AC_CACHE_CHECK([whether ld understands -x], fptools_cv_ld_x,
305 echo 'foo() {}' > conftest.c
306 ${CC-cc} -c conftest.c
307 if ${LdCmd} -r -x -o foo.o conftest.o; then
312 rm -rf conftest.c conftest.o foo.o
314 if test "$fptools_cv_ld_x" = yes; then
323 dnl *** Checking for ar and its arguments + whether we need ranlib.
325 dnl ArCmd, ArSupportsInput and RANLIB are AC_SUBST'ed
326 dnl On Digital UNIX, we test for the -Z (compress) and
327 dnl -input (take list of files from external file) flags.
329 AC_DEFUN(FPTOOLS_PROG_AR_AND_RANLIB,
330 [AC_PATH_PROG(ArCmdRaw,ar)
331 if test -z "$ArCmdRaw"; then
332 echo "You don't seem to have ar in your PATH...I have no idea how to make a library"
335 dnl GNU ar needs special treatment: it appears to have problems with
336 dnl object files with the same name if you use the 's' modifier, but
337 dnl simple 'ar q' works fine, and doesn't need a separate ranlib.
338 if $ArCmdRaw --version | grep 'GNU' >/dev/null 2>/dev/null; then
341 elif $ArCmdRaw clqsZ conftest.a >/dev/null 2>/dev/null; then
344 elif $ArCmdRaw clqs conftest.a >/dev/null 2>/dev/null; then
347 elif $ArCmdRaw cqs conftest.a >/dev/null 2>/dev/null; then
350 elif $ArCmdRaw clq conftest.a >/dev/null 2>/dev/null; then
353 elif $ArCmdRaw cq conftest.a >/dev/null 2>/dev/null; then
356 elif $ArCmdRaw cq conftest.a 2>&1 | grep 'no archive members specified' >/dev/null 2>/dev/null; then
360 echo "I can't figure out how to use your $ArCmd"
364 case $HostPlatform in
366 ArCmd="`cygpath -w ${ArCmdRaw} | sed -e 's@\\\\@/@g' ` ${ArCmdArgs}"
368 *) ArCmd="${ArCmdRaw} ${ArCmdArgs}"
371 test -n "$ArCmd" && test -n "$verbose" && echo " setting ArCmd to $ArCmd"
373 if $ArCmd conftest.a -input /dev/null >/dev/null 2>/dev/null; then
374 ArSupportsInput='-input'
379 test -n "$ArSupportsInput" && test -n "$verbose" && echo " setting ArSupportsInput to $ArSupportsInput"
380 AC_SUBST(ArSupportsInput)
381 if test -z "$NeedRanLib"; then
383 test -n "$verbose" && echo " setting RANLIB to $RANLIB"
391 dnl AC_SHEBANG_PERL - can we she-bang perl?
393 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
394 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
399 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
400 if test $? -ne 69; then
401 fptools_cv_shebang_perl=yes
403 fptools_cv_shebang_perl=no
409 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
410 dnl *Must* be called after AC_PROG_CC
412 AC_DEFUN(FPTOOLS_HAVE_GCC,
413 [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
414 [if test -z "$GCC"; then
416 echo "You would be better off with gcc"
417 echo "Perhaps it is already installed, but not in your PATH?"
418 fptools_cv_have_gcc='no'
421 gcc_version_str="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [^0-9]*\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1\.\2/g' `"
423 fptools_cv_have_gcc='yes'
424 FPTOOLS_PROG_CHECK_VERSION($gcc_version_str, -lt, "2.0",
425 fptools_cv_have_gcc='no'
427 echo "your gcc version appears to be ..."
429 echo "gcc prior to 2.0 and have never worked with ghc."
430 echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
431 AC_MSG_ERROR([gcc 1.X has never been supported])
435 HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
440 dnl Some OSs (Mandrake Linux, in particular) configure GCC with
441 dnl -momit-leaf-frame-pointer on by default. If this is the case, we
442 dnl need to turn it off for mangling to work. The test is currently a bit
443 dnl crude, using only the version number of gcc.
445 AC_DEFUN(FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR,
446 [AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], fptools_cv_gcc_needs_no_omit_lfptr,
448 fptools_cv_gcc_needs_no_omit_lfptr='no'
449 FPTOOLS_PROG_CHECK_VERSION($gcc_version_str, -ge, "3.2",
450 fptools_cv_gcc_needs_no_omit_lfptr='yes')
452 if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
453 AC_DEFINE(HAVE_GCC_MNO_OMIT_LFPTR)
457 dnl Small feature test for perl version. Assumes PerlCmd
458 dnl contains path to perl binary
460 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
461 [$PerlCmd -v >conftest.out 2>&1
462 if grep "version 5" conftest.out >/dev/null 2>&1; then
465 if grep "v5.6" conftest.out >/dev/null 2>&1; then
468 if grep "v5.8" conftest.out >/dev/null 2>&1; then
471 if grep "version 6" conftest.out >/dev/null 2>&1; then
474 echo "Your version of perl probably won't work."
483 dnl Getting at the right version of 'find'
484 dnl (i.e., not the MS util on a Win32 box).
486 AC_DEFUN(FPTOOLS_FIND_FIND,
488 AC_PATH_PROG(Find2Cmd, find)
489 $Find2Cmd --version > conftest.out 2>&1
490 if grep "FIND: Parameter format" conftest.out >/dev/null 2>&1 ; then
491 # Encountered MS' find utility, which is not what we're after.
493 # HACK - AC_CHECK_PROG is useful here in that does let you reject
494 # an (absolute) entry in the path (Find2Cmd). It is not so useful
495 # in that it doesn't let you (AFAIU) set VARIABLE equal to the
496 # absolute path eventually found. So, hack around this by inspecting
497 # what variables hold the abs. path & use them directly.
498 AC_CHECK_PROG(FindCmd,find,`echo $ac_dir/$ac_word`,find,,$Find2Cmd)
506 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
507 dnl values of the second argument to the result of running
508 dnl the commands given by the third. It does not cache its
509 dnl result, so it is suitable for checks which should be
512 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
513 [AC_MSG_CHECKING([$1])
515 AC_MSG_RESULT([$][$2])
519 dnl FPTOOLS_GHC_VERSION(version)
520 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
521 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
523 dnl Test for version of installed ghc. Uses $GHC.
524 dnl [original version pinched from c2hs]
526 AC_DEFUN(FPTOOLS_GHC_VERSION,
527 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
528 ["${WithGhc-ghc}" --version > conftestghc 2>&1
529 cat conftestghc >&AC_FD_CC
530 #Useless Use Of cat award...
531 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
533 if test "[$]fptools_version_of_ghc" = ""
535 fptools_version_of_ghc='unknown'
537 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
538 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
539 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
541 if test "[$]fptools_version_of_ghc[_pl]" = ""
543 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
544 fptools_version_of_ghc[_pl]="0"
546 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
550 [$1]="[$]fptools_version_of_ghc[_all]"
552 [$1]="[$]fptools_version_of_ghc[_major]"
553 [$2]="[$]fptools_version_of_ghc[_minor]"
555 [$1]="[$]fptools_version_of_ghc[_major]"
556 [$2]="[$]fptools_version_of_ghc[_minor]"
557 [$3]="[$]fptools_version_of_ghc[_pl]"
559 [$1]="[$]fptools_version_of_ghc[_all]"
560 [$2]="[$]fptools_version_of_ghc[_major]"
561 [$3]="[$]fptools_version_of_ghc[_minor]"
562 [$4]="[$]fptools_version_of_ghc[_pl]"
568 dnl ** Map an arithmetic C type to a Haskell type.
569 dnl Based on autconf's AC_CHECK_SIZEOF.
571 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
572 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
573 [changequote(<<, >>)dnl
574 dnl The name to #define.
575 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
576 dnl The cache variable name.
577 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
579 AC_MSG_CHECKING(Haskell type for $1)
580 AC_CACHE_VAL(AC_CV_NAME,
581 [AC_TRY_RUN([#include <stdio.h>
584 #ifdef HAVE_SYS_TYPES_H
585 # include <sys/types.h>
592 #ifdef HAVE_SYS_STAT_H
593 # include <sys/stat.h>
608 #ifdef HAVE_TERMIOS_H
609 # include <termios.h>
624 #ifdef HAVE_OPENGL_GL_H
625 # include <OpenGL/gl.h>
628 #ifdef HAVE_SYS_RESOURCE_H
629 # include <sys/resource.h>
635 FILE *f=fopen("conftestval", "w");
637 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
639 ((testing)(-1) < (testing)0) ? "Int" : "Word",
643 (sizeof(testing) > sizeof(double)) ? "LDouble" :
644 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
648 }], AC_CV_NAME=`cat conftestval`,
649 ifelse([$2], , AC_CV_NAME=NotReallyAType, AC_CV_NAME=$2),
650 ifelse([$3], , AC_CV_NAME=NotReallyATypeCross, AC_CV_NAME=$3))]) dnl
651 AC_MSG_RESULT($AC_CV_NAME)
652 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
653 undefine([AC_TYPE_NAME])dnl
654 undefine([AC_CV_NAME])dnl
658 dnl ** Obtain the value of a C constant.
659 dnl The value will be `(-1)' if the constant is undefined.
661 dnl This is set up so that the argument can be a shell variable.
663 AC_DEFUN(FPTOOLS_CHECK_CCONST,
665 eval "cv_name=ac_cv_cconst_$1"
666 AC_MSG_CHECKING(value of $1)
667 AC_CACHE_VAL($cv_name,
668 [AC_TRY_RUN([#include <stdio.h>
672 FILE *f=fopen("conftestval", "w");
674 fprintf(f, "%d\n", $1);
677 eval "$cv_name=`cat conftestval`",
679 eval "$cv_name=-1")])dnl
680 eval "fptools_check_cconst_result=`echo '$'{$cv_name}`"
681 AC_MSG_RESULT($fptools_check_cconst_result)
682 AC_DEFINE_UNQUOTED(CCONST_$1, $fptools_check_cconst_result)
683 unset fptools_check_cconst_result
686 dnl ** Invoke AC_CHECK_CCONST on each argument (which have to separate with
689 AC_DEFUN(FPTOOLS_CHECK_CCONSTS,
690 [for ac_const_name in $1
692 FPTOOLS_CHECK_CCONST($ac_const_name)dnl
697 dnl *** Can we open files in binary mode? ***
699 AC_DEFUN(FPTOOLS_O_BINARY,
701 AC_REQUIRE([AC_PROG_CC])
702 AC_MSG_CHECKING(whether we can open files in binary mode)
703 AC_CACHE_VAL(fptools_cv_have_o_binary,
712 fptools_cv_have_o_binary=yes,
713 fptools_cv_have_o_binary=no)
716 AC_MSG_RESULT($fptools_cv_have_o_binary)
717 if test "$fptools_cv_have_o_binary" = yes; then
718 AC_DEFINE(HAVE_O_BINARY)
723 dnl Based on AC_TRY_LINK - run iftrue if links cleanly with no warning
725 dnl FPTOOLS_TRY_LINK_NOWARN(flags,main?,iftrue,iffalse)
727 AC_DEFUN(FPTOOLS_TRY_LINK_NOWARN,
731 cat > conftest.$ac_ext <<EOF
732 dnl This sometimes fails to find confdefs.h, for some reason.
733 dnl [#]line __oline__ "[$]0"
734 [#]line __oline__ "configure"
735 #include "confdefs.h"
737 int t() { return 0; }
739 if AC_TRY_EVAL(ac_link); then
744 ifelse([$4], , , [else
754 dnl Loosely based on AC_CHECK_LIB in acgeneral.m4 in autoconf distribution
756 dnl FPTOOLS_CHECK_FLAG_NOWARN(NAME, FLAG, CODE, iftrue, iffalse)
758 AC_DEFUN(FPTOOLS_CHECK_FLAG_NOWARN,
759 [AC_MSG_CHECKING([for $1])
760 AC_CACHE_VAL(ac_cv_flag_$1,
761 [FPTOOLS_TRY_LINK_NOWARN("$2", [main() { $3; exit(0); } ],
762 eval "ac_cv_flag_$1=yes",
763 eval "ac_cv_flag_$1=no"
766 if eval "test \"`echo '$ac_cv_flag_'$1`\" = yes"; then
776 dnl FPTOOLS_CHECK_LIB_NOWARN(LIBRARY, FUNCTION)
778 AC_DEFUN(FPTOOLS_CHECK_LIB_NOWARN,
779 [FPTOOLS_CHECK_FLAG_NOWARN([function_$2],[],[extern char $2(); $2();],
781 ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
783 AC_DEFINE_UNQUOTED($ac_tr_lib)
785 [FPTOOLS_CHECK_FLAG_NOWARN([library_$1],[-l$1],[extern char $2(); $2();],
787 ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
789 AC_DEFINE_UNQUOTED($ac_tr_lib)
795 dnl check for prototypes
797 AC_DEFUN([AC_C_PROTOTYPES],
798 [AC_CACHE_CHECK([prototypes], ac_cv_prototypes,
807 ac_cv_prototypes=yes,
808 ac_cv_prototypes=no)])
809 if test "$ac_cv_prototypes" = yes; then
810 AC_DEFINE([HAVE_PROTOTYPES])
814 dnl ** Check which CATALOG file we have to use with DocBook SGML.
816 dnl FPTOOLS_DOCBOOK_CATALOG(VARIABLE, JADE, STYLESHEET, CATALOGS-TO-CHECK-FOR)
818 dnl If any of the catalogs given in CATALOGS-TO-CHECK-FOR works on this
819 dnl platform, let VARIABLE refer to this catalog; otherwise, VARIABLE
820 dnl is set to "no". JADE is the jade executable and STYLESHEET
821 dnl a DocBook style sheet.
823 AC_DEFUN(FPTOOLS_DOCBOOK_CATALOG,
824 [AC_CACHE_CHECK([for DocBook CATALOG], fptools_cv_sgml_catalog,
826 cat > conftest.sgml << EOF
827 <!DOCTYPE Article PUBLIC "-//OASIS//DTD DocBook V3.1//EN">
831 <Author><OtherName>Test</OtherName></Author>
832 <Address>Test</Address>
833 <PubDate>Test</PubDate>
835 <Sect1><Title>Test</Title>
842 fptools_cv_sgml_catalog=no
843 if test -z "$SGML_CATALOG_FILES" ; then
844 for fptools_catalog in $4; do
845 ac_try="$2 -t rtf -d $3#print -c $fptools_catalog conftest.sgml"
846 if AC_TRY_EVAL(ac_try); then
847 fptools_cv_sgml_catalog=[$]fptools_catalog
852 # If the env var SGML_CATALOG_FILES is defined, assume things are cool.
853 fptools_cv_sgml_catalog="yes"
857 if test $fptools_cv_sgml_catalog != "no"; then
858 $1=$fptools_cv_sgml_catalog
862 dnl ######################################################################
863 dnl FPTOOLS_SEARCH_LIBS(INCLUDES, FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
864 dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
865 dnl Search for a library defining FUNC, if it's not already available.
866 dnl This is almost the same as AC_SEARCH_LIBS, but the INCLUDES can be
868 dnl ######################################################################
870 AC_DEFUN(FPTOOLS_SEARCH_LIBS,
872 AC_CACHE_CHECK([for library containing $2], [ac_cv_search_$2],
873 [ac_func_search_save_LIBS="$LIBS"
875 AC_TRY_LINK([$1], [$2()], [ac_cv_search_$2="none required"])
876 test "$ac_cv_search_$2" = "no" && for i in $3; do
877 LIBS="-l$i $6 $ac_func_search_save_LIBS"
878 AC_TRY_LINK([$1], [$2()],
879 [ac_cv_search_$2="-l$i"
882 LIBS="$ac_func_search_save_LIBS"])
883 if test "$ac_cv_search_$2" != "no"; then
884 test "$ac_cv_search_$2" = "none required" || LIBS="$ac_cv_search_$2 $LIBS"
890 dnl ####################### -*- Mode: M4 -*- ###########################
891 dnl Copyright (C) 98, 1999 Matthew D. Langston <langston@SLAC.Stanford.EDU>
893 dnl This file is free software; you can redistribute it and/or modify it
894 dnl under the terms of the GNU General Public License as published by
895 dnl the Free Software Foundation; either version 2 of the License, or
896 dnl (at your option) any later version.
898 dnl This file is distributed in the hope that it will be useful, but
899 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
900 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
901 dnl General Public License for more details.
903 dnl You should have received a copy of the GNU General Public License
904 dnl along with this file; if not, write to:
906 dnl Free Software Foundation, Inc.
909 dnl Boston, MA 02111-1307, USA.
910 dnl ####################################################################
913 dnl @synopsis FPTOOLS_CHECK_LIBM
915 dnl Search for math library (typically -lm).
917 dnl The variable LIBM (which is not an output variable by default) is
918 dnl set to a value which is suitable for use in a Makefile (for example,
919 dnl in make's LOADLIBES macro) provided you AC_SUBST it first.
921 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
923 # FPTOOLS_CHECK_LIBM - check for math library
924 AC_DEFUN(FPTOOLS_CHECK_LIBM,
925 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
929 # These system don't have libm
932 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
933 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
936 AC_CHECK_LIB(m, main, LIBM="-lm")
941 dnl ######################################################################
942 dnl Note: Caching has been completely rewritten, but is still no perfect yet.
943 dnl ######################################################################
945 dnl ########################### -*- Mode: M4 -*- #######################
946 dnl Copyright (C) 98, 1999 Matthew D. Langston <langston@SLAC.Stanford.EDU>
948 dnl This file is free software; you can redistribute it and/or modify it
949 dnl under the terms of the GNU General Public License as published by
950 dnl the Free Software Foundation; either version 2 of the License, or
951 dnl (at your option) any later version.
953 dnl This file is distributed in the hope that it will be useful, but
954 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
955 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
956 dnl General Public License for more details.
958 dnl You should have received a copy of the GNU General Public License
959 dnl along with this file; if not, write to:
961 dnl Free Software Foundation, Inc.
964 dnl Boston, MA 02111-1307, USA.
965 dnl ####################################################################
967 dnl @synopsis FPTOOLS_HAVE_OPENGL
969 dnl Search for OpenGL. We search first for Mesa (a GPL'ed version of
970 dnl OpenGL) before a vendor's version of OpenGL if we were specifically
971 dnl asked to with `--with-Mesa=yes' or `--with-Mesa'.
973 dnl The four "standard" OpenGL libraries are searched for: "-lGL",
974 dnl "-lGLU", "-lGLX" (or "-lMesaGL", "-lMesaGLU" as the case may be) and
977 dnl All of the libraries that are found (since "-lglut" or "-lGLX" might
978 dnl be missing) are added to the shell output variable "GL_LIBS", along
979 dnl with any other libraries that are necessary to successfully link an
980 dnl OpenGL application (e.g. the X11 libraries). Care has been taken to
981 dnl make sure that all of the libraries in "GL_LIBS" are listed in the
984 dnl Additionally, the shell output variable "GL_CFLAGS" is set to any
985 dnl flags (e.g. "-I" flags) that are necessary to successfully compile
986 dnl an OpenGL application.
988 dnl The following shell variable (which are not output variables) are
989 dnl also set to either "yes" or "no" (depending on which libraries were
990 dnl found) to help you determine exactly what was found.
997 dnl A complete little toy "Automake `make distcheck'" package of how to
998 dnl use this macro is available at:
1000 dnl ftp://ftp.slac.stanford.edu/users/langston/autoconf/ac_opengl-0.01.tar.gz
1002 dnl Please note that as the ac_opengl macro and the toy example evolves,
1003 dnl the version number increases, so you may have to adjust the above
1004 dnl URL accordingly.
1006 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
1008 AC_DEFUN(FPTOOLS_HAVE_OPENGL,
1010 AC_REQUIRE([AC_PROG_CC])
1011 AC_REQUIRE([AC_PATH_X])
1012 AC_REQUIRE([AC_PATH_XTRA])
1013 AC_REQUIRE([FPTOOLS_CHECK_LIBM])
1015 dnl Check for Mesa first if we were asked to.
1018 Prefer Mesa over a vendor's native OpenGL library (default=no)
1020 use_Mesa=$enableval,
1023 if test x"$use_Mesa" = xyes; then
1024 GL_search_list="MesaGL GL opengl32"
1025 GLU_search_list="MesaGLU GLU glu32"
1026 GLX_search_list="MesaGLX GLX"
1028 GL_search_list="GL opengl32 MesaGL"
1029 GLU_search_list="GLU glu32 MesaGLU"
1030 GLX_search_list="GLX MesaGLX"
1036 dnl If we are running under X11 then add in the appropriate libraries.
1037 if test x"$no_x" != xyes; then
1038 dnl Add everything we need to compile and link X programs to GL_CFLAGS
1039 dnl and GL_X_LIBS/GLUT_X_LIBS.
1040 GL_CFLAGS="$CPPFLAGS $X_CFLAGS"
1041 GL_X_LIBS="$X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBM"
1042 GLUT_X_LIBS="$X_LIBS $X_PRE_LIBS -lXmu -lXt -lXi -lXext -lX11 $X_EXTRA_LIBS $LIBM"
1044 GL_save_CPPFLAGS="$CPPFLAGS"
1045 CPPFLAGS="$GL_CFLAGS"
1047 GL_save_LIBS="$LIBS"
1050 FPTOOLS_SEARCH_LIBS([#include <GL/gl.h>], glEnd, $GL_search_list, have_GL=yes, have_GL=no)
1051 FPTOOLS_SEARCH_LIBS([#include <GL/glu.h>], gluNewQuadric, $GLU_search_list, have_GLU=yes, have_GLU=no)
1052 FPTOOLS_SEARCH_LIBS([#include <GL/glx.h>], glXWaitX, $GLX_search_list, have_GLX=yes, have_GLX=no)
1054 if test -n "$LIBS"; then
1055 GL_LIBS="$LDFLAGS $LIBS"
1063 FPTOOLS_SEARCH_LIBS([#include <GL/glut.h>], glutMainLoop, glut32 glut, have_glut=yes, have_glut=no)
1065 if test -n "$LIBS"; then
1066 GLUT_LIBS="$LDFLAGS $LIBS"
1069 AC_CACHE_CHECK([OpenGL flags], mdl_cv_gl_cflags, [mdl_cv_gl_cflags="$GL_CFLAGS"])
1070 GL_CFLAGS="$mdl_cv_gl_cflags"
1072 AC_CACHE_CHECK([OpenGL libs], mdl_cv_gl_libs, [mdl_cv_gl_libs="$GL_LIBS"])
1073 GL_LIBS="$mdl_cv_gl_libs"
1075 AC_CACHE_CHECK([GLUT libs], mdl_cv_glut_libs, [mdl_cv_glut_libs="$GLUT_LIBS"])
1076 GLUT_LIBS="$mdl_cv_glut_libs"
1079 dnl Reset GL_X_LIBS/GLUT_X_LIBS regardless, since they were just temporary variables
1080 dnl and we don't want to be global namespace polluters.
1084 LIBS="$GL_save_LIBS"
1085 CPPFLAGS="$GL_save_CPPFLAGS"
1094 dnl Check to see whether CC (gcc) supports a particular option.
1096 AC_DEFUN(FPTOOLS_CC_FLAG,
1098 AC_CACHE_CHECK([whether $CC accepts $1], [ac_cv_cc_$2],
1099 [save_CFLAGS="$CFLAGS"
1102 AC_TRY_COMPILE(,[int main(){return(0);}],
1105 CFLAGS="$save_CFLAGS"
1107 if test "$ac_cv_cc_$2"x = "yesx"; then
1115 dnl Check to see whether 'struct msghdr' contains msg_control
1117 AC_DEFUN(FPTOOLS_MSGHDR_MSG_CONTROL,
1118 [AC_CACHE_CHECK([for msg_control in struct msghdr], fptools_cv_struct_msghdr_msg_control,
1119 [AC_TRY_COMPILE([#include <sys/types.h>
1120 #include <sys/uio.h>
1121 #include <sys/socket.h>], [struct msghdr m; m.msg_control;],
1122 fptools_cv_struct_msghdr_msg_control=yes, fptools_cv_struct_msghdr_msg_control=no)])
1123 if test $fptools_cv_struct_msghdr_msg_control = yes; then
1124 AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL)
1126 AC_SUBST(HAVE_MSGHDR_MSG_CONTROL)dnl
1130 dnl Check to see whether 'struct msghdr' contains msg_accrights
1132 AC_DEFUN(FPTOOLS_MSGHDR_MSG_ACCRIGHTS,
1133 [AC_CACHE_CHECK([for msg_accrights in struct msghdr], fptools_cv_struct_msghdr_msg_accrights,
1134 [AC_TRY_COMPILE([#include <sys/types.h>
1135 #include <sys/uio.h>
1136 #include <sys/socket.h>], [struct msghdr m; m.msg_accrights;],
1137 fptools_cv_struct_msghdr_msg_accrights=yes, fptools_cv_struct_msghdr_msg_accrights=no)])
1138 if test $fptools_cv_struct_msghdr_msg_accrights = yes; then
1139 AC_DEFINE(HAVE_MSGHDR_MSG_ACCRIGHTS)
1141 AC_SUBST(HAVE_MSGHDR_MSG_ACCRIGHTS)dnl