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 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
10 # NB: NeXTStep thinks diff'ing a file against itself is "trouble".
11 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest
12 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
13 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
17 for fp_var in '-C 1' '-c1'
19 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
20 fp_cv_context_diff="diff $fp_var"
24 if test x"$fp_cv_context_diff" = xno; then
25 AC_MSG_ERROR([cannot figure out how to do context diffs])
27 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
28 ])# FP_PROG_CONTEXT_DIFF
33 # Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise.
34 # Used by base package.
35 AC_DEFUN([FP_DECL_ALTZONE],
36 [AC_REQUIRE([AC_HEADER_TIME])dnl
37 AC_CHECK_HEADERS([sys/time.h])
38 AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME
39 # include <sys/time.h>
43 # include <sys/time.h>
51 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
52 # ---------------------------------------------------------
53 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
54 # compilation. Execute IF-FAILS when unable to determine the value. Works for
55 # cross-compilation, too.
56 # Note: We are lazy and use an internal autoconf macro, but it is supported in
57 # autoconf versions 2.50 up to the actual 2.57, so there is little risk.
58 AC_DEFUN([FP_COMPUTE_INT],
59 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
63 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
64 # ------------------------------------------------------------------
65 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
66 # given type. Defines ALIGNMENT_TYPE.
67 AC_DEFUN([FP_CHECK_ALIGNMENT],
68 [AS_LITERAL_IF([$1], [],
69 [AC_FATAL([$0: requires literal arguments])])dnl
70 AC_CHECK_TYPE([$1], [], [], [$3])
71 AC_CACHE_CHECK([alignment of $1], AS_TR_SH([fp_cv_alignment_$1]),
72 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
73 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
74 [AS_TR_SH([fp_cv_alignment_$1])],
75 [AC_INCLUDES_DEFAULT([$3])],
76 [AC_MSG_ERROR([cannot compute alignment ($1)
77 See `config.log' for more details.], [77])])
79 AS_TR_SH([fp_cv_alignment_$1])=0
81 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $AS_TR_SH([fp_cv_alignment_$1]),
82 [The alignment of a `$1'.])
83 ])# FP_CHECK_ALIGNMENT
86 dnl ** check for leading underscores in symbol names
88 dnl Test for determining whether symbol names have a leading
91 dnl We assume that they _haven't_ if anything goes wrong.
93 dnl Some nlist implementations seem to try to be compatible by ignoring
94 dnl a leading underscore sometimes (eg. FreeBSD). We therefore have
95 dnl to work around this by checking for *no* leading underscore first.
98 dnl Similarly on OpenBSD, but this test doesn't help. -- dons
100 AC_DEFUN(FPTOOLS_UNDERSCORE,
101 [AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl
102 AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore,
105 dnl Hack!: nlist() under Digital UNIX insist on there being an _,
106 dnl but symbol table listings shows none. What is going on here?!?
108 dnl Another hack: cygwin doesn't come with nlist.h , so we hardwire
109 dnl the underscoredness of that "platform"
110 changequote(<<, >>)dnl
112 case $HostPlatform in
113 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
115 i386-*2\.[[0-9]] | i386-*3\.[[0-3]] ) fptools_cv_lead_uscore='yes' ;;
116 *) fptools_cv_lead_uscore='no' ;;
118 alpha-dec-osf*) fptools_cv_lead_uscore='no';;
119 *cygwin32) fptools_cv_lead_uscore='yes';;
120 *mingw32) fptools_cv_lead_uscore='yes';;
123 AC_TRY_RUN([#ifdef HAVE_NLIST_H
125 changequote(<<, >>)dnl
127 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
128 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
136 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
138 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
143 }], fptools_cv_lead_uscore=yes, fptools_cv_lead_uscore=no, fptools_cv_lead_uscore=NO)
146 LeadingUnderscore=`echo $fptools_cv_lead_uscore | sed 'y/yesno/YESNO/'`
147 AC_SUBST(LeadingUnderscore)
148 case $LeadingUnderscore in
149 YES) AC_DEFINE(LEADING_UNDERSCORE);;
154 dnl FPTOOLS_PROG_CHECK_VERSION(VERSIONSTR1, TEST, VERSIONSTR2,
155 dnl ACTION-IF-TRUE [, ACTION-IF-FALSE])
157 dnl compare versions field-wise (separator is '.')
158 dnl TEST is one of {-lt,-le,-eq,-ge,-gt}
160 dnl quite shell-independant and SUSv2 compliant code
162 dnl NOTE: the loop could be unrolled within autoconf, but the
163 dnl macro code would be a) longer and b) harder to debug... ;)
165 AC_DEFUN(FPTOOLS_PROG_CHECK_VERSION,
170 set -- [$]a; h1="[$]1"; shift 2>/dev/null; a="[$]*"
171 set -- [$]b; h2="[$]1"; shift 2>/dev/null; b="[$]*"
172 test -n "[$]h1" || h1=0; test -n "[$]h2" || h2=0
173 test [$]{h1} -eq [$]{h2} || break
175 test [$]{h1} [$2] [$]{h2}
177 then ifelse([$4],,[:],[
187 dnl Check for Greencard and version.
189 AC_DEFUN(FPTOOLS_GREENCARD,
191 AC_PATH_PROG(GreencardCmd,greencard)
192 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
194 [if test x"$GreencardCmd" != x; then
195 fptools_cv_greencard_version="`$GreencardCmd --version |
196 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
198 fptools_cv_greencard_version=""
202 FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_greencard_version],-lt,$1,
203 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])dnl
204 GreencardVersion=$fptools_cv_greencard_version
205 AC_SUBST(GreencardVersion)
209 dnl Check for Happy and version. If we're building GHC, then we need
210 dnl at least Happy version 1.13. If there's no installed Happy, we look
211 dnl for a happy source tree and point the build system at that instead.
213 AC_DEFUN(FPTOOLS_HAPPY,
215 if test -d $srcdir/happy; then
216 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
218 if test x"$UseSrcTreeHappy" = xYES; then
219 HappyCmd=$SrcTreeHappyCmd
221 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
223 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
225 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd"; then
226 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
227 elif test x"$HappyCmd" != x; then
228 fptools_cv_happy_version="`$HappyCmd -v |
229 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
231 fptools_cv_happy_version="";
235 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
236 FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_happy_version],-lt,[1.13],
237 [AC_MSG_ERROR([Happy version 1.13 or later is required to compile GHC.])])dnl
239 HappyVersion=$fptools_cv_happy_version;
240 AC_SUBST(HappyVersion)
244 dnl Check for Haddock and version. If there's no installed Haddock, we look
245 dnl for a haddock source tree and point the build system at that instead.
247 AC_DEFUN(FPTOOLS_HADDOCK,
249 if test -d $srcdir/haddock; then
250 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
252 if test x"$UseSrcTreeHaddock" = xYES; then
253 HaddockCmd=$SrcTreeHaddockCmd
255 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
257 dnl Darn, I forgot to make Haddock print out its version number when
258 dnl invoked with -v. We could try generating some HTML and grepping
259 dnl through that to find the version number, but I think we'll make
260 dnl do without it for now.
264 dnl Check for Alex and version. If we're building GHC, then we need
265 dnl at least Alex version 2.0. If there's no installed Alex, we look
266 dnl for a alex source tree and point the build system at that instead.
268 AC_DEFUN(FPTOOLS_ALEX,
270 if test -d $srcdir/alex; then
271 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
273 if test x"$UseSrcTreeAlex" = xYES; then
274 AlexCmd=$SrcTreeAlexCmd
276 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
278 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
280 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
281 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
282 elif test x"$AlexCmd" != x; then
283 fptools_cv_alex_version="`$AlexCmd -v |
284 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
286 fptools_cv_alex_version="";
290 dnl if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
291 dnl FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_alex_version],-lt,[2.0],
292 dnl [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])dnl
294 AlexVersion=$fptools_cv_alex_version;
295 AC_SUBST(AlexVersion)
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)
796 dnl ** Check which CATALOG file we have to use with DocBook SGML.
798 dnl FPTOOLS_DOCBOOK_CATALOG(VARIABLE, JADE, STYLESHEET, CATALOGS-TO-CHECK-FOR)
800 dnl If any of the catalogs given in CATALOGS-TO-CHECK-FOR works on this
801 dnl platform, let VARIABLE refer to this catalog; otherwise, VARIABLE
802 dnl is set to "no". JADE is the jade executable and STYLESHEET
803 dnl a DocBook style sheet.
805 AC_DEFUN(FPTOOLS_DOCBOOK_CATALOG,
806 [AC_CACHE_CHECK([for DocBook CATALOG], fptools_cv_sgml_catalog,
808 cat > conftest.sgml << EOF
809 <!DOCTYPE Article PUBLIC "-//OASIS//DTD DocBook V3.1//EN">
813 <Author><OtherName>Test</OtherName></Author>
814 <Address>Test</Address>
815 <PubDate>Test</PubDate>
817 <Sect1><Title>Test</Title>
824 fptools_cv_sgml_catalog=no
825 if test -z "$SGML_CATALOG_FILES" ; then
826 for fptools_catalog in $4; do
827 ac_try="$2 -t rtf -d $3#print -c $fptools_catalog conftest.sgml"
828 if AC_TRY_EVAL(ac_try); then
829 fptools_cv_sgml_catalog=[$]fptools_catalog
834 # If the env var SGML_CATALOG_FILES is defined, assume things are cool.
835 fptools_cv_sgml_catalog="yes"
839 if test $fptools_cv_sgml_catalog != "no"; then
840 $1=$fptools_cv_sgml_catalog
844 dnl ######################################################################
845 dnl FPTOOLS_SEARCH_LIBS(INCLUDES, FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
846 dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
847 dnl Search for a library defining FUNC, if it's not already available.
848 dnl This is almost the same as AC_SEARCH_LIBS, but the INCLUDES can be
850 dnl ######################################################################
852 AC_DEFUN(FPTOOLS_SEARCH_LIBS,
854 AC_CACHE_CHECK([for library containing $2], [ac_cv_search_$2],
855 [ac_func_search_save_LIBS="$LIBS"
857 AC_TRY_LINK([$1], [$2()], [ac_cv_search_$2="none required"])
858 test "$ac_cv_search_$2" = "no" && for i in $3; do
859 LIBS="-l$i $6 $ac_func_search_save_LIBS"
860 AC_TRY_LINK([$1], [$2()],
861 [ac_cv_search_$2="-l$i"
864 LIBS="$ac_func_search_save_LIBS"])
865 if test "$ac_cv_search_$2" != "no"; then
866 test "$ac_cv_search_$2" = "none required" || LIBS="$ac_cv_search_$2 $LIBS"
872 dnl ####################### -*- Mode: M4 -*- ###########################
873 dnl Copyright (C) 98, 1999 Matthew D. Langston <langston@SLAC.Stanford.EDU>
875 dnl This file is free software; you can redistribute it and/or modify it
876 dnl under the terms of the GNU General Public License as published by
877 dnl the Free Software Foundation; either version 2 of the License, or
878 dnl (at your option) any later version.
880 dnl This file is distributed in the hope that it will be useful, but
881 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
882 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
883 dnl General Public License for more details.
885 dnl You should have received a copy of the GNU General Public License
886 dnl along with this file; if not, write to:
888 dnl Free Software Foundation, Inc.
891 dnl Boston, MA 02111-1307, USA.
892 dnl ####################################################################
895 dnl @synopsis FPTOOLS_CHECK_LIBM
897 dnl Search for math library (typically -lm).
899 dnl The variable LIBM (which is not an output variable by default) is
900 dnl set to a value which is suitable for use in a Makefile (for example,
901 dnl in make's LOADLIBES macro) provided you AC_SUBST it first.
903 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
905 # FPTOOLS_CHECK_LIBM - check for math library
906 AC_DEFUN(FPTOOLS_CHECK_LIBM,
907 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
911 # These system don't have libm
914 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
915 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
918 AC_CHECK_LIB(m, main, LIBM="-lm")
923 dnl ######################################################################
924 dnl Note: Caching has been completely rewritten, but is still no perfect yet.
925 dnl ######################################################################
927 dnl ########################### -*- Mode: M4 -*- #######################
928 dnl Copyright (C) 98, 1999 Matthew D. Langston <langston@SLAC.Stanford.EDU>
930 dnl This file is free software; you can redistribute it and/or modify it
931 dnl under the terms of the GNU General Public License as published by
932 dnl the Free Software Foundation; either version 2 of the License, or
933 dnl (at your option) any later version.
935 dnl This file is distributed in the hope that it will be useful, but
936 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
937 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
938 dnl General Public License for more details.
940 dnl You should have received a copy of the GNU General Public License
941 dnl along with this file; if not, write to:
943 dnl Free Software Foundation, Inc.
946 dnl Boston, MA 02111-1307, USA.
947 dnl ####################################################################
949 dnl @synopsis FPTOOLS_HAVE_OPENGL
951 dnl Search for OpenGL. We search first for Mesa (a GPL'ed version of
952 dnl OpenGL) before a vendor's version of OpenGL if we were specifically
953 dnl asked to with `--with-Mesa=yes' or `--with-Mesa'.
955 dnl The four "standard" OpenGL libraries are searched for: "-lGL",
956 dnl "-lGLU", "-lGLX" (or "-lMesaGL", "-lMesaGLU" as the case may be) and
959 dnl All of the libraries that are found (since "-lglut" or "-lGLX" might
960 dnl be missing) are added to the shell output variable "GL_LIBS", along
961 dnl with any other libraries that are necessary to successfully link an
962 dnl OpenGL application (e.g. the X11 libraries). Care has been taken to
963 dnl make sure that all of the libraries in "GL_LIBS" are listed in the
966 dnl Additionally, the shell output variable "GL_CFLAGS" is set to any
967 dnl flags (e.g. "-I" flags) that are necessary to successfully compile
968 dnl an OpenGL application.
970 dnl The following shell variable (which are not output variables) are
971 dnl also set to either "yes" or "no" (depending on which libraries were
972 dnl found) to help you determine exactly what was found.
979 dnl A complete little toy "Automake `make distcheck'" package of how to
980 dnl use this macro is available at:
982 dnl ftp://ftp.slac.stanford.edu/users/langston/autoconf/ac_opengl-0.01.tar.gz
984 dnl Please note that as the ac_opengl macro and the toy example evolves,
985 dnl the version number increases, so you may have to adjust the above
988 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
990 AC_DEFUN(FPTOOLS_HAVE_OPENGL,
992 AC_REQUIRE([AC_PROG_CC])
993 AC_REQUIRE([AC_PATH_X])
994 AC_REQUIRE([AC_PATH_XTRA])
995 AC_REQUIRE([FPTOOLS_CHECK_LIBM])
997 dnl Check for Mesa first if we were asked to.
1000 Prefer Mesa over a vendor's native OpenGL library (default=no)
1002 use_Mesa=$enableval,
1005 if test x"$use_Mesa" = xyes; then
1006 GL_search_list="MesaGL GL opengl32"
1007 GLU_search_list="MesaGLU GLU glu32"
1008 GLX_search_list="MesaGLX GLX"
1010 GL_search_list="GL opengl32 MesaGL"
1011 GLU_search_list="GLU glu32 MesaGLU"
1012 GLX_search_list="GLX MesaGLX"
1018 dnl If we are running under X11 then add in the appropriate libraries.
1019 if test x"$no_x" != xyes; then
1020 dnl Add everything we need to compile and link X programs to GL_CFLAGS
1021 dnl and GL_X_LIBS/GLUT_X_LIBS.
1022 GL_CFLAGS="$CPPFLAGS $X_CFLAGS"
1023 GL_X_LIBS="$X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS $LIBM"
1024 GLUT_X_LIBS="$X_LIBS $X_PRE_LIBS -lXmu -lXt -lXi -lXext -lX11 $X_EXTRA_LIBS $LIBM"
1026 GL_save_CPPFLAGS="$CPPFLAGS"
1027 CPPFLAGS="$GL_CFLAGS"
1029 GL_save_LIBS="$LIBS"
1032 FPTOOLS_SEARCH_LIBS([#include <GL/gl.h>], glEnd, $GL_search_list, have_GL=yes, have_GL=no)
1033 FPTOOLS_SEARCH_LIBS([#include <GL/glu.h>], gluNewQuadric, $GLU_search_list, have_GLU=yes, have_GLU=no)
1034 FPTOOLS_SEARCH_LIBS([#include <GL/glx.h>], glXWaitX, $GLX_search_list, have_GLX=yes, have_GLX=no)
1036 if test -n "$LIBS"; then
1037 GL_LIBS="$LDFLAGS $LIBS"
1045 FPTOOLS_SEARCH_LIBS([#include <GL/glut.h>], glutMainLoop, glut32 glut, have_glut=yes, have_glut=no)
1047 if test -n "$LIBS"; then
1048 GLUT_LIBS="$LDFLAGS $LIBS"
1051 AC_CACHE_CHECK([OpenGL flags], mdl_cv_gl_cflags, [mdl_cv_gl_cflags="$GL_CFLAGS"])
1052 GL_CFLAGS="$mdl_cv_gl_cflags"
1054 AC_CACHE_CHECK([OpenGL libs], mdl_cv_gl_libs, [mdl_cv_gl_libs="$GL_LIBS"])
1055 GL_LIBS="$mdl_cv_gl_libs"
1057 AC_CACHE_CHECK([GLUT libs], mdl_cv_glut_libs, [mdl_cv_glut_libs="$GLUT_LIBS"])
1058 GLUT_LIBS="$mdl_cv_glut_libs"
1061 dnl Reset GL_X_LIBS/GLUT_X_LIBS regardless, since they were just temporary variables
1062 dnl and we don't want to be global namespace polluters.
1066 LIBS="$GL_save_LIBS"
1067 CPPFLAGS="$GL_save_CPPFLAGS"
1076 dnl Check to see whether CC (gcc) supports a particular option.
1078 AC_DEFUN(FPTOOLS_CC_FLAG,
1080 AC_CACHE_CHECK([whether $CC accepts $1], [ac_cv_cc_$2],
1081 [save_CFLAGS="$CFLAGS"
1084 AC_TRY_COMPILE(,[int main(){return(0);}],
1087 CFLAGS="$save_CFLAGS"
1089 if test "$ac_cv_cc_$2"x = "yesx"; then
1097 dnl Check to see whether 'struct msghdr' contains msg_control
1099 AC_DEFUN(FPTOOLS_MSGHDR_MSG_CONTROL,
1100 [AC_CACHE_CHECK([for msg_control in struct msghdr], fptools_cv_struct_msghdr_msg_control,
1101 [AC_TRY_COMPILE([#include <sys/types.h>
1102 #include <sys/uio.h>
1103 #include <sys/socket.h>], [struct msghdr m; m.msg_control;],
1104 fptools_cv_struct_msghdr_msg_control=yes, fptools_cv_struct_msghdr_msg_control=no)])
1105 if test $fptools_cv_struct_msghdr_msg_control = yes; then
1106 AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL)
1108 AC_SUBST(HAVE_MSGHDR_MSG_CONTROL)dnl
1112 dnl Check to see whether 'struct msghdr' contains msg_accrights
1114 AC_DEFUN(FPTOOLS_MSGHDR_MSG_ACCRIGHTS,
1115 [AC_CACHE_CHECK([for msg_accrights in struct msghdr], fptools_cv_struct_msghdr_msg_accrights,
1116 [AC_TRY_COMPILE([#include <sys/types.h>
1117 #include <sys/uio.h>
1118 #include <sys/socket.h>], [struct msghdr m; m.msg_accrights;],
1119 fptools_cv_struct_msghdr_msg_accrights=yes, fptools_cv_struct_msghdr_msg_accrights=no)])
1120 if test $fptools_cv_struct_msghdr_msg_accrights = yes; then
1121 AC_DEFINE(HAVE_MSGHDR_MSG_ACCRIGHTS)
1123 AC_SUBST(HAVE_MSGHDR_MSG_ACCRIGHTS)dnl