1 dnl $Id: aclocal.m4,v 1.109 2002/12/11 16:37:16 simonmar Exp $
3 dnl Extra autoconf macros for the Glasgow fptools
5 dnl To be a good autoconf citizen, names of local macros have
6 dnl prefixed with FPTOOLS_ to ensure we don't clash
7 dnl with any pre-supplied autoconf ones.
10 dnl Is timezone around? (in a header file)
12 AC_DEFUN(FPTOOLS_HAVE_TIMEZONE,
13 [AC_CACHE_CHECK([timezone], fptools_cv_have_timezone,
14 [AC_TRY_COMPILE([#if TIME_WITH_SYS_TIME
15 # include <sys/time.h>
19 # include <sys/time.h>
24 ], [return timezone;],
25 fptools_cv_have_timezone=yes, fptools_cv_have_timezone=no)])
26 if test "$fptools_cv_have_timezone" = yes; then
27 AC_DEFINE(HAVE_TIMEZONE)
32 dnl Has timezone the type time_t or long (HP-UX 10.20 apparently
35 AC_DEFUN(FPTOOLS_TYPE_TIMEZONE,
36 [AC_CACHE_CHECK([type of timezone], fptools_cv_type_timezone,
37 [AC_TRY_COMPILE([#if TIME_WITH_SYS_TIME
38 # include <sys/time.h>
42 # include <sys/time.h>
48 extern time_t timezone;
50 [int i;], fptools_cv_type_timezone=time_t, fptools_cv_type_timezone=long)])
51 AC_DEFINE_UNQUOTED(TYPE_TIMEZONE, $fptools_cv_type_timezone)
54 dnl *** Is altzone available? ***
56 AC_DEFUN(FPTOOLS_ALTZONE,
57 [AC_CACHE_CHECK([altzone], fptools_cv_altzone,
58 [AC_TRY_LINK([#if TIME_WITH_SYS_TIME
59 # include <sys/time.h>
63 # include <sys/time.h>
69 fptools_cv_altzone=yes, fptools_cv_altzone=no)])
70 if test "$fptools_cv_altzone" = yes; then
71 AC_DEFINE(HAVE_ALTZONE)
76 dnl *** Does libc contain GNU regex? ***
78 AC_DEFUN(FPTOOLS_REGEX_IN_LIBC,
79 [AC_CACHE_CHECK([for GNU regex in libc], fptools_cv_have_regex,
80 [AC_TRY_LINK([#if HAVE_UNISTD_H
84 ],[ struct re_pattern_buffer patbuf;
85 re_compile_pattern("",0,&patbuf);
86 re_search_2 (&patbuf, "", 0, "",0, 0,0,0,0); ],
87 fptools_cv_have_regex=yes, fptools_cv_have_regex=no)])
88 if test "$fptools_cv_have_regex" = yes; then
93 AC_SUBST(HaveGNURegex)
97 dnl ** check for leading underscores in symbol names
99 dnl Test for determining whether symbol names have a leading
102 dnl We assume that they _haven't_ if anything goes wrong.
104 dnl Some nlist implementations seem to try to be compatible by ignoring
105 dnl a leading underscore sometimes (eg. FreeBSD). We therefore have
106 dnl to work around this by checking for *no* leading underscore first.
109 AC_DEFUN(FPTOOLS_UNDERSCORE,
110 [AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl
111 AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore,
114 dnl Hack!: nlist() under Digital UNIX insist on there being an _,
115 dnl but symbol table listings shows none. What is going on here?!?
117 dnl Another hack: cygwin doesn't come with nlist.h , so we hardwire
118 dnl the underscoredness of that "platform"
119 changequote(<<, >>)dnl
121 case $HostPlatform in
122 alpha-dec-osf*) fptools_cv_lead_uscore='no';;
123 *cygwin32) fptools_cv_lead_uscore='yes';;
124 *mingw32) fptools_cv_lead_uscore='yes';;
127 AC_TRY_RUN([#ifdef HAVE_NLIST_H
129 changequote(<<, >>)dnl
131 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
132 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
140 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
142 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
147 }], fptools_cv_lead_uscore=yes, fptools_cv_lead_uscore=no, fptools_cv_lead_uscore=NO)
150 LeadingUnderscore=`echo $fptools_cv_lead_uscore | sed 'y/yesno/YESNO/'`
151 AC_SUBST(LeadingUnderscore)
152 case $LeadingUnderscore in
153 YES) AC_DEFINE(LEADING_UNDERSCORE);;
158 dnl FPTOOLS_PROG_CHECK_VERSION(VERSIONSTR1, TEST, VERSIONSTR2,
159 dnl ACTION-IF-TRUE [, ACTION-IF-FALSE])
161 dnl compare versions field-wise (separator is '.')
162 dnl TEST is one of {-lt,-le,-eq,-ge,-gt}
164 dnl quite shell-independant and SUSv2 compliant code
166 dnl NOTE: the loop could be unrolled within autoconf, but the
167 dnl macro code would be a) longer and b) harder to debug... ;)
169 AC_DEFUN(FPTOOLS_PROG_CHECK_VERSION,
174 set -- [$]a; h1="[$]1"; shift 2>/dev/null; a="[$]*"
175 set -- [$]b; h2="[$]1"; shift 2>/dev/null; b="[$]*"
176 test -n "[$]h1" || h1=0; test -n "[$]h2" || h2=0
177 test [$]{h1} -eq [$]{h2} || break
179 test [$]{h1} [$2] [$]{h2}
181 then ifelse([$4],,[:],[
191 dnl Check for Happy and version. If we're building GHC, then we need
192 dnl at least Happy version 1.13. If there's no installed Happy, we look
193 dnl for a happy source tree and point the build system at that instead.
195 AC_DEFUN(FPTOOLS_HAPPY,
197 if test -d $srcdir/happy; then
198 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
200 if test x"$UseSrcTreeHappy" = xYES; then
201 HappyCmd=$SrcTreeHappyCmd
203 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
205 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
207 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd"; then
208 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
209 elif test x"$HappyCmd" != x; then
210 fptools_cv_happy_version="`$HappyCmd -v |
211 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
213 fptools_cv_happy_version="";
217 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
218 FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_happy_version],-lt,[1.13],
219 [AC_MSG_ERROR([Happy version 1.13 or later is required to compile GHC.])])dnl
221 HappyVersion=$fptools_cv_happy_version;
222 AC_SUBST(HappyVersion)
226 dnl Check for Haddock and version. If there's no installed Haddock, we look
227 dnl for a haddock source tree and point the build system at that instead.
229 AC_DEFUN(FPTOOLS_HADDOCK,
231 if test -d $srcdir/haddock; then
232 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
234 if test x"$UseSrcTreeHaddock" = xYES; then
235 HaddockCmd=$SrcTreeHaddockCmd
237 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
239 dnl Darn, I forgot to make Haddock print out its version number when
240 dnl invoked with -v. We could try generating some HTML and grepping
241 dnl through that to find the version number, but I think we'll make
242 dnl do without it for now.
246 dnl What's the best way of doing context diffs?
248 dnl (NB: NeXTStep thinks diff'ing a file against itself is "trouble")
250 AC_DEFUN(FPTOOLS_PROG_DIFF,
251 [AC_CACHE_CHECK([for ok way to do context diffs], fptools_cv_context_diffs,
252 [echo foo > conftest1
254 if diff -C 1 conftest1 conftest2 > /dev/null 2>&1 ; then
255 fptools_cv_context_diffs='diff -C 1'
257 if diff -c1 conftest1 conftest2 > /dev/null 2>&1 ; then
258 fptools_cv_context_diffs='diff -c1'
260 echo "Can't figure out how to do context diffs."
261 echo "Neither \`diff -C 1' nor \`diff -c1' works."
265 rm -f conftest1 conftest2
267 ContextDiffCmd=$fptools_cv_context_diffs
268 AC_SUBST(ContextDiffCmd)
272 dnl Check whether ld supports -x
274 AC_DEFUN(FPTOOLS_LD_X,
275 [AC_CACHE_CHECK([whether ld understands -x], fptools_cv_ld_x,
277 echo 'foo() {}' > conftest.c
278 ${CC-cc} -c conftest.c
279 if ${LdCmd} -r -x -o foo.o conftest.o; then
284 rm -rf conftest.c conftest.o foo.o
286 if test "$fptools_cv_ld_x" = yes; then
295 dnl Finding the Right Yacc
297 AC_DEFUN(FPTOOLS_PROG_YACCY,
299 if test "$YACC" = "yacc"; then
300 AC_CACHE_CHECK([if it is an OK yacc], ac_cv_prog_yacc,
301 [AC_CHECK_PROG(WhatCmd, what, what, :)
302 $WhatCmd $YACC > conftest.out
303 if egrep 'y1\.c 1\..*SMI' conftest.out >/dev/null 2>&1; then
304 echo "I don't trust your $YaccCmd; it looks like an old Sun yacc"
305 if test -f /usr/lang/yacc; then
306 echo "I'm going to use /usr/lang/yacc instead"
307 ac_cv_prog_yacc=/usr/lang/yacc
309 echo "I'm assuming the worst...no parser generator at all"
312 elif egrep 'y1\.c.*Revision: 4\.2\.6\.3.*DEC' conftest.out >/dev/null 2>&1; then
313 echo "I don't trust your $YaccCmd; it looks like a lame DEC yacc"
314 echo "I'm assuming the worst...no parser generator at all"
317 ac_cv_prog_yacc=$YACC
322 ac_cv_prog_yacc=$YACC
324 YaccCmd=$ac_cv_prog_yacc
328 dnl *** Checking for ar and its arguments + whether we need ranlib.
330 dnl ArCmd, ArSupportsInput and RANLIB are AC_SUBST'ed
331 dnl On Digital UNIX, we test for the -Z (compress) and
332 dnl -input (take list of files from external file) flags.
334 AC_DEFUN(FPTOOLS_PROG_AR_AND_RANLIB,
335 [AC_PATH_PROG(ArCmdRaw,ar)
336 if test -z "$ArCmdRaw"; then
337 echo "You don't seem to have ar in your PATH...I have no idea how to make a library"
340 if $ArCmdRaw clqsZ conftest.a >/dev/null 2>/dev/null; then
343 elif $ArCmdRaw clqs conftest.a >/dev/null 2>/dev/null; then
346 elif $ArCmdRaw cqs conftest.a >/dev/null 2>/dev/null; then
349 elif $ArCmdRaw clq conftest.a >/dev/null 2>/dev/null; then
352 elif $ArCmdRaw cq conftest.a >/dev/null 2>/dev/null; then
355 elif $ArCmdRaw cq conftest.a 2>&1 | grep 'no archive members specified' >/dev/null 2>/dev/null; then
359 echo "I can't figure out how to use your $ArCmd"
363 case $HostPlatform in
365 ArCmd="`cygpath -w ${ArCmdRaw} | sed -e 's@\\\\@/@g' ` ${ArCmdArgs}"
367 *) ArCmd="${ArCmdRaw} ${ArCmdArgs}"
370 test -n "$ArCmd" && test -n "$verbose" && echo " setting ArCmd to $ArCmd"
372 if $ArCmd conftest.a -input /dev/null >/dev/null 2>/dev/null; then
373 ArSupportsInput='-input'
378 test -n "$ArSupportsInput" && test -n "$verbose" && echo " setting ArSupportsInput to $ArSupportsInput"
379 AC_SUBST(ArSupportsInput)
380 if test -z "$NeedRanLib"; then
382 test -n "$verbose" && echo " setting RANLIB to $RANLIB"
390 dnl AC_SHEBANG_PERL - can we she-bang perl?
392 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
393 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
398 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
399 if test $? -ne 69; then
400 fptools_cv_shebang_perl=yes
402 fptools_cv_shebang_perl=no
408 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
409 dnl *Must* be called after AC_PROG_CC
411 AC_DEFUN(FPTOOLS_HAVE_GCC,
412 [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
413 [if test -z "$GCC"; then
415 echo "You would be better off with gcc"
416 echo "Perhaps it is already installed, but not in your PATH?"
417 fptools_cv_have_gcc='no'
420 is_gcc_v1="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [^0-9]*\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/expr 2000 \\\>= \1 \\\* 1000 + \2/g' `"
422 fptools_cv_have_gcc='yes'
423 if test `eval $is_gcc_v1 2>/dev/null` = "1"; then
424 fptools_cv_have_gcc='no'
426 echo "your gcc version appears to be ..."
428 echo "gcc prior to 2.0 and have never worked with ghc."
429 echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
430 AC_MSG_ERROR([gcc 1.X has never been supported])
434 HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
438 dnl Small feature test for perl version. Assumes PerlCmd
439 dnl contains path to perl binary
441 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
442 [$PerlCmd -v >conftest.out 2>&1
443 if grep "version 5" conftest.out >/dev/null 2>&1; then
446 if grep "v5.6" conftest.out >/dev/null 2>&1; then
449 if grep "v5.8" conftest.out >/dev/null 2>&1; then
452 if grep "version 6" conftest.out >/dev/null 2>&1; then
455 echo "Your version of perl probably won't work."
464 dnl Getting at the right version of 'find'
465 dnl (i.e., not the MS util on a Win32 box).
467 AC_DEFUN(FPTOOLS_FIND_FIND,
469 AC_PATH_PROG(Find2Cmd, find)
470 $Find2Cmd --version > conftest.out 2>&1
471 if grep "FIND: Parameter format" conftest.out >/dev/null 2>&1 ; then
472 # Encountered MS' find utility, which is not what we're after.
474 # HACK - AC_CHECK_PROG is useful here in that does let you reject
475 # an (absolute) entry in the path (Find2Cmd). It is not so useful
476 # in that it doesn't let you (AFAIU) set VARIABLE equal to the
477 # absolute path eventually found. So, hack around this by inspecting
478 # what variables hold the abs. path & use them directly.
479 AC_CHECK_PROG(FindCmd,find,`echo $ac_dir/$ac_word`,find,,$Find2Cmd)
487 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
488 dnl values of the second argument to the result of running
489 dnl the commands given by the third. It does not cache its
490 dnl result, so it is suitable for checks which should be
493 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
494 [AC_MSG_CHECKING([$1])
496 AC_MSG_RESULT([$][$2])
500 dnl FPTOOLS_GHC_VERSION(version)
501 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
502 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
504 dnl Test for version of installed ghc. Uses $GHC.
505 dnl [original version pinched from c2hs]
507 AC_DEFUN(FPTOOLS_GHC_VERSION,
508 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
509 ["${WithGhc-ghc}" --version > conftestghc 2>&1
510 cat conftestghc >&AC_FD_CC
511 #Useless Use Of cat award...
512 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
514 if test "[$]fptools_version_of_ghc" = ""
516 fptools_version_of_ghc='unknown'
518 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
519 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
520 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
522 if test "[$]fptools_version_of_ghc[_pl]" = ""
524 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
525 fptools_version_of_ghc[_pl]="0"
527 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
531 [$1]="[$]fptools_version_of_ghc[_all]"
533 [$1]="[$]fptools_version_of_ghc[_major]"
534 [$2]="[$]fptools_version_of_ghc[_minor]"
536 [$1]="[$]fptools_version_of_ghc[_major]"
537 [$2]="[$]fptools_version_of_ghc[_minor]"
538 [$3]="[$]fptools_version_of_ghc[_pl]"
540 [$1]="[$]fptools_version_of_ghc[_all]"
541 [$2]="[$]fptools_version_of_ghc[_major]"
542 [$3]="[$]fptools_version_of_ghc[_minor]"
543 [$4]="[$]fptools_version_of_ghc[_pl]"
549 dnl ** figure out the alignment restriction of a type
550 dnl (required SIZEOF test but AC_CHECK_SIZEOF doesn't call PROVIDE
551 dnl so we can't call REQUIRE)
553 dnl FPTOOLS_CHECK_ALIGNMENT(TYPE)
554 AC_DEFUN(FPTOOLS_CHECK_ALIGNMENT,
555 [changequote(<<, >>)dnl
556 dnl The name to #define.
557 define(<<AC_TYPE_NAME>>, translit(alignment_$1, [a-z *], [A-Z_P]))dnl
558 dnl The cache variable name.
559 define(<<AC_CV_NAME>>, translit(ac_cv_alignment_$1, [ *], [_p]))dnl
560 dnl The name of the corresponding size.
561 define(<<AC_CV_SIZEOF_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
563 AC_MSG_CHECKING(alignment of $1)
564 AC_CACHE_VAL(AC_CV_NAME,
571 #define offsetof(ty,field) ((size_t)((char *)&((ty *)0)->field - (char *)(ty *)0))
576 FILE *f=fopen("conftestval", "w");
578 fprintf(f, "%d", offsetof(struct { char c; $1 ty;},ty));
581 AC_CV_NAME=`cat conftestval`,
582 AC_CV_NAME=$AC_CV_SIZEOF_NAME,
583 AC_CV_NAME=$AC_CV_SIZEOF_NAME)])
584 AC_MSG_RESULT($AC_CV_NAME)
585 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
586 AC_PROVIDE($AC_TYPE_NAME)
587 undefine([AC_TYPE_NAME])dnl
588 undefine([AC_CV_NAME])dnl
589 undefine([AC_CV_SIZEOF_NAME])dnl
592 dnl ** Map an arithmetic C type to a Haskell type.
593 dnl Based on autconf's AC_CHECK_SIZEOF.
595 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
596 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
597 [changequote(<<, >>)dnl
598 dnl The name to #define.
599 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
600 dnl The cache variable name.
601 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
603 AC_MSG_CHECKING(Haskell type for $1)
604 AC_CACHE_VAL(AC_CV_NAME,
605 [AC_TRY_RUN([#include <stdio.h>
608 #ifdef HAVE_SYS_TYPES_H
609 # include <sys/types.h>
616 #ifdef HAVE_SYS_STAT_H
617 # include <sys/stat.h>
632 #ifdef HAVE_TERMIOS_H
633 # include <termios.h>
651 FILE *f=fopen("conftestval", "w");
653 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
655 ((testing)(-1) < (testing)0) ? "Int" : "Word",
659 (sizeof(testing) > sizeof(double)) ? "LDouble" :
660 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
664 }], AC_CV_NAME=`cat conftestval`,
665 ifelse([$2], , AC_CV_NAME=NotReallyAType, AC_CV_NAME=$2),
666 ifelse([$3], , AC_CV_NAME=NotReallyATypeCross, AC_CV_NAME=$3))]) dnl
667 AC_MSG_RESULT($AC_CV_NAME)
668 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
669 undefine([AC_TYPE_NAME])dnl
670 undefine([AC_CV_NAME])dnl
673 dnl ** figure out whether C compiler supports 'long long's
674 dnl (Closely based on Andreas Zeller's macro for testing
675 dnl for this under C++)
677 dnl If the C compiler supports `long long' types,
678 dnl define `HAVE_LONG_LONG'.
680 AC_DEFUN(FPTOOLS_C_LONG_LONG,
682 AC_REQUIRE([AC_PROG_CC])
683 AC_MSG_CHECKING(whether ${CC} supports long long types)
684 AC_CACHE_VAL(fptools_cv_have_long_long,
688 AC_TRY_COMPILE(,[long long a;],
689 fptools_cv_have_long_long=yes,
690 fptools_cv_have_long_long=no)
693 AC_MSG_RESULT($fptools_cv_have_long_long)
694 if test "$fptools_cv_have_long_long" = yes; then
695 AC_DEFINE(HAVE_LONG_LONG)
699 dnl ** Obtain the value of a C constant.
700 dnl The value will be `(-1)' if the constant is undefined.
702 dnl This is set up so that the argument can be a shell variable.
704 AC_DEFUN(FPTOOLS_CHECK_CCONST,
706 eval "def_name=CCONST_$1"
707 eval "cv_name=ac_cv_cconst_$1"
708 AC_MSG_CHECKING(value of $1)
709 AC_CACHE_VAL($cv_name,
710 [AC_TRY_RUN([#include <stdio.h>
714 FILE *f=fopen("conftestval", "w");
716 fprintf(f, "%d\n", $1);
719 eval "$cv_name=`cat conftestval`",
721 eval "$cv_name=-1")])dnl
722 eval "fptools_check_cconst_result=`echo '$'{$cv_name}`"
723 AC_MSG_RESULT($fptools_check_cconst_result)
724 AC_DEFINE_UNQUOTED($def_name, $fptools_check_cconst_result)
725 unset fptools_check_cconst_result
728 dnl ** Invoke AC_CHECK_CCONST on each argument (which have to separate with
731 AC_DEFUN(FPTOOLS_CHECK_CCONSTS,
732 [for ac_const_name in $1
734 FPTOOLS_CHECK_CCONST($ac_const_name)dnl
739 dnl *** Can we open files in binary mode? ***
741 AC_DEFUN(FPTOOLS_O_BINARY,
743 AC_REQUIRE([AC_PROG_CC])
744 AC_MSG_CHECKING(whether we can open files in binary mode)
745 AC_CACHE_VAL(fptools_cv_have_o_binary,
754 fptools_cv_have_o_binary=yes,
755 fptools_cv_have_o_binary=no)
758 AC_MSG_RESULT($fptools_cv_have_o_binary)
759 if test "$fptools_cv_have_o_binary" = yes; then
760 AC_DEFINE(HAVE_O_BINARY)
764 dnl *** Helper function **
766 AC_DEFUN(FPTOOLS_IN_SCOPE,
767 [AC_TRY_LINK([extern char* $1;],[return (int)&$2], $3=yes, $3=no)
771 dnl Based on AC_TRY_LINK - run iftrue if links cleanly with no warning
773 dnl FPTOOLS_TRY_LINK_NOWARN(flags,main?,iftrue,iffalse)
775 AC_DEFUN(FPTOOLS_TRY_LINK_NOWARN,
779 cat > conftest.$ac_ext <<EOF
780 dnl This sometimes fails to find confdefs.h, for some reason.
781 dnl [#]line __oline__ "[$]0"
782 [#]line __oline__ "configure"
783 #include "confdefs.h"
785 int t() { return 0; }
787 if AC_TRY_EVAL(ac_link); then
792 ifelse([$4], , , [else
802 dnl Loosely based on AC_CHECK_LIB in acgeneral.m4 in autoconf distribution
804 dnl FPTOOLS_CHECK_FLAG_NOWARN(NAME, FLAG, CODE, iftrue, iffalse)
806 AC_DEFUN(FPTOOLS_CHECK_FLAG_NOWARN,
807 [AC_MSG_CHECKING([for $1])
808 AC_CACHE_VAL(ac_cv_flag_$1,
809 [FPTOOLS_TRY_LINK_NOWARN("$2", [main() { $3; exit(0); } ],
810 eval "ac_cv_flag_$1=yes",
811 eval "ac_cv_flag_$1=no"
814 if eval "test \"`echo '$ac_cv_flag_'$1`\" = yes"; then
824 dnl FPTOOLS_CHECK_LIB_NOWARN(LIBRARY, FUNCTION)
826 AC_DEFUN(FPTOOLS_CHECK_LIB_NOWARN,
827 [FPTOOLS_CHECK_FLAG_NOWARN([function_$2],[],[extern char $2(); $2();],
829 ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
831 AC_DEFINE_UNQUOTED($ac_tr_lib)
833 [FPTOOLS_CHECK_FLAG_NOWARN([library_$1],[-l$1],[extern char $2(); $2();],
835 ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
837 AC_DEFINE_UNQUOTED($ac_tr_lib)
843 dnl check for prototypes
845 AC_DEFUN([AC_C_PROTOTYPES],
846 [AC_CACHE_CHECK([prototypes], ac_cv_prototypes,
855 ac_cv_prototypes=yes,
856 ac_cv_prototypes=no)])
857 if test "$ac_cv_prototypes" = yes; then
858 AC_DEFINE([HAVE_PROTOTYPES])
862 dnl ** Check which CATALOG file we have to use with DocBook SGML.
864 dnl FPTOOLS_DOCBOOK_CATALOG(VARIABLE, JADE, STYLESHEET, CATALOGS-TO-CHECK-FOR)
866 dnl If any of the catalogs given in CATALOGS-TO-CHECK-FOR works on this
867 dnl platform, let VARIABLE refer to this catalog; otherwise, VARIABLE
868 dnl is set to "no". JADE is the jade executable and STYLESHEET
869 dnl a DocBook style sheet.
871 AC_DEFUN(FPTOOLS_DOCBOOK_CATALOG,
872 [AC_CACHE_CHECK([for DocBook CATALOG], fptools_cv_sgml_catalog,
874 cat > conftest.sgml << EOF
875 <!DOCTYPE Article PUBLIC "-//OASIS//DTD DocBook V3.1//EN">
879 <Author><OtherName>Test</OtherName></Author>
880 <Address>Test</Address>
881 <PubDate>Test</PubDate>
883 <Sect1><Title>Test</Title>
890 fptools_cv_sgml_catalog=no
891 if test -z "$SGML_CATALOG_FILES" ; then
892 for fptools_catalog in $4; do
893 ac_try="$2 -t rtf -d $3#print -c $fptools_catalog conftest.sgml"
894 if AC_TRY_EVAL(ac_try); then
895 fptools_cv_sgml_catalog=[$]fptools_catalog
900 # If the env var SGML_CATALOG_FILES is defined, assume things are cool.
901 fptools_cv_sgml_catalog="yes"
905 if test $fptools_cv_sgml_catalog != "no"; then
906 $1=$fptools_cv_sgml_catalog
910 dnl ######################################################################
911 dnl FPTOOLS_SEARCH_LIBS(INCLUDES, FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
912 dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
913 dnl Search for a library defining FUNC, if it's not already available.
914 dnl This is almost the same as AC_SEARCH_LIBS, but the INCLUDES can be
916 dnl ######################################################################
918 AC_DEFUN(FPTOOLS_SEARCH_LIBS,
920 AC_CACHE_CHECK([for library containing $2], [ac_cv_search_$2],
921 [ac_func_search_save_LIBS="$LIBS"
923 AC_TRY_LINK([$1], [$2()], [ac_cv_search_$2="none required"])
924 test "$ac_cv_search_$2" = "no" && for i in $3; do
925 LIBS="-l$i $6 $ac_func_search_save_LIBS"
926 AC_TRY_LINK([$1], [$2()],
927 [ac_cv_search_$2="-l$i"
930 LIBS="$ac_func_search_save_LIBS"])
931 if test "$ac_cv_search_$2" != "no"; then
932 test "$ac_cv_search_$2" = "none required" || LIBS="$ac_cv_search_$2 $LIBS"
938 dnl ####################### -*- Mode: M4 -*- ###########################
939 dnl Copyright (C) 98, 1999 Matthew D. Langston <langston@SLAC.Stanford.EDU>
941 dnl This file is free software; you can redistribute it and/or modify it
942 dnl under the terms of the GNU General Public License as published by
943 dnl the Free Software Foundation; either version 2 of the License, or
944 dnl (at your option) any later version.
946 dnl This file is distributed in the hope that it will be useful, but
947 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
948 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
949 dnl General Public License for more details.
951 dnl You should have received a copy of the GNU General Public License
952 dnl along with this file; if not, write to:
954 dnl Free Software Foundation, Inc.
957 dnl Boston, MA 02111-1307, USA.
958 dnl ####################################################################
961 dnl @synopsis FPTOOLS_CHECK_LIBM
963 dnl Search for math library (typically -lm).
965 dnl The variable LIBM (which is not an output variable by default) is
966 dnl set to a value which is suitable for use in a Makefile (for example,
967 dnl in make's LOADLIBES macro) provided you AC_SUBST it first.
969 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
971 # FPTOOLS_CHECK_LIBM - check for math library
972 AC_DEFUN(FPTOOLS_CHECK_LIBM,
973 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
977 # These system don't have libm
980 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
981 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
984 AC_CHECK_LIB(m, main, LIBM="-lm")
989 dnl ######################################################################
990 dnl NOTE: Because of portability issues between different autoconf
991 dnl versions the AC_HELP_STRING macro has been removed from FPTOOLS_HAVE_OPENGL.
992 dnl Furthermore, caching has been completely rewritten.
993 dnl ######################################################################
995 dnl ########################### -*- Mode: M4 -*- #######################
996 dnl Copyright (C) 98, 1999 Matthew D. Langston <langston@SLAC.Stanford.EDU>
998 dnl This file is free software; you can redistribute it and/or modify it
999 dnl under the terms of the GNU General Public License as published by
1000 dnl the Free Software Foundation; either version 2 of the License, or
1001 dnl (at your option) any later version.
1003 dnl This file is distributed in the hope that it will be useful, but
1004 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
1005 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1006 dnl General Public License for more details.
1008 dnl You should have received a copy of the GNU General Public License
1009 dnl along with this file; if not, write to:
1011 dnl Free Software Foundation, Inc.
1014 dnl Boston, MA 02111-1307, USA.
1015 dnl ####################################################################
1017 dnl @synopsis FPTOOLS_HAVE_OPENGL
1019 dnl Search for OpenGL. We search first for Mesa (a GPL'ed version of
1020 dnl OpenGL) before a vendor's version of OpenGL, unless we were
1021 dnl specifically asked not to with `--with-Mesa=no' or `--without-Mesa'.
1023 dnl The four "standard" OpenGL libraries are searched for: "-lGL",
1024 dnl "-lGLU", "-lGLX" (or "-lMesaGL", "-lMesaGLU" as the case may be) and
1027 dnl All of the libraries that are found (since "-lglut" or "-lGLX" might
1028 dnl be missing) are added to the shell output variable "GL_LIBS", along
1029 dnl with any other libraries that are necessary to successfully link an
1030 dnl OpenGL application (e.g. the X11 libraries). Care has been taken to
1031 dnl make sure that all of the libraries in "GL_LIBS" are listed in the
1034 dnl Additionally, the shell output variable "GL_CFLAGS" is set to any
1035 dnl flags (e.g. "-I" flags) that are necessary to successfully compile
1036 dnl an OpenGL application.
1038 dnl The following shell variable (which are not output variables) are
1039 dnl also set to either "yes" or "no" (depending on which libraries were
1040 dnl found) to help you determine exactly what was found.
1047 dnl A complete little toy "Automake `make distcheck'" package of how to
1048 dnl use this macro is available at:
1050 dnl ftp://ftp.slac.stanford.edu/users/langston/autoconf/ac_opengl-0.01.tar.gz
1052 dnl Please note that as the ac_opengl macro and the toy example evolves,
1053 dnl the version number increases, so you may have to adjust the above
1054 dnl URL accordingly.
1056 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
1058 AC_DEFUN(FPTOOLS_HAVE_OPENGL,
1060 AC_REQUIRE([AC_PROG_CC])
1061 AC_REQUIRE([AC_PATH_X])
1062 AC_REQUIRE([AC_PATH_XTRA])
1063 AC_REQUIRE([FPTOOLS_CHECK_LIBM])
1065 dnl Check for Mesa first, unless we were asked not to.
1066 dnl AC_HELP_STRING([--with-Mesa],
1067 dnl [Prefer the Mesa library over a vendors native OpenGL library (default=yes)],
1068 dnl with_Mesa_help_string)
1069 dnl AC_ARG_ENABLE(Mesa, $with_Mesa_help_string, use_Mesa=$enableval, use_Mesa=yes)
1070 AC_ARG_ENABLE(Mesa, [ --with-Mesa Prefer the Mesa library over a vendors native OpenGL library (default=no)], use_Mesa=$enableval, use_Mesa=no)
1072 if test x"$use_Mesa" = xyes; then
1073 GL_search_list="MesaGL GL opengl32"
1074 GLU_search_list="MesaGLU GLU glu32"
1075 GLX_search_list="MesaGLX GLX"
1077 GL_search_list="GL opengl32 MesaGL"
1078 GLU_search_list="GLU glu32 MesaGLU"
1079 GLX_search_list="GLX MesaGLX"
1085 dnl If we are running under X11 then add in the appropriate libraries.
1086 if test x"$no_x" != xyes; then
1087 dnl Add everything we need to compile and link X programs to GL_CFLAGS
1089 GL_CFLAGS="$X_CFLAGS"
1090 GL_X_LIBS="$X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS $LIBM"
1092 GL_save_CPPFLAGS="$CPPFLAGS"
1093 CPPFLAGS="$GL_CFLAGS"
1095 GL_save_LIBS="$LIBS"
1098 FPTOOLS_SEARCH_LIBS([#include <GL/gl.h>], glEnd, $GL_search_list, have_GL=yes, have_GL=no)
1099 FPTOOLS_SEARCH_LIBS([#include <GL/glu.h>], gluNewQuadric, $GLU_search_list, have_GLU=yes, have_GLU=no)
1100 FPTOOLS_SEARCH_LIBS([#include <GL/glx.h>], glXWaitX, $GLX_search_list, have_GLX=yes, have_GLX=no)
1101 FPTOOLS_SEARCH_LIBS([#include <GL/glut.h>], glutMainLoop, glut glut32, have_glut=yes, have_glut=no)
1103 if test -n "$LIBS"; then
1110 AC_CACHE_CHECK([OpenGL flags], mdl_cv_gl_cflags, [mdl_cv_gl_cflags="$GL_CFLAGS"])
1111 GL_CFLAGS="$mdl_cv_gl_cflags"
1113 AC_CACHE_CHECK([OpenGL libs], mdl_cv_gl_libs, [mdl_cv_gl_libs="$GL_LIBS"])
1114 GL_LIBS="$mdl_cv_gl_libs"
1117 dnl Reset GL_X_LIBS regardless, since it was just a temporary variable
1118 dnl and we don't want to be global namespace polluters.
1121 LIBS="$GL_save_LIBS"
1122 CPPFLAGS="$GL_save_CPPFLAGS"
1130 dnl acspecific.m4's defn of AC_PROG_LEX is a bit too permissive, as it
1131 dnl defaults to 'lex' if 'flex' isn't found (without checking whether
1132 dnl 'lex' is actually present along the user's PATH).
1134 AC_DEFUN(AC_PROG_LEX_STRICT,
1135 [AC_CHECK_PROG(LEX, flex, flex)
1138 AC_CHECK_PROG(LEX,lex,lex)
1139 test -z "$LEX" && AC_MSG_ERROR(['lex' or 'flex' is required to compile GHC.])
1144 dnl Check to see whether CC (gcc) supports a particular option.
1146 AC_DEFUN(FPTOOLS_CC_FLAG,
1148 AC_CACHE_CHECK([whether $CC accepts $1], [ac_cv_cc_$2],
1149 [save_CFLAGS="$CFLAGS"
1152 AC_TRY_COMPILE(,[int main(){return(0);}],
1155 CFLAGS="$save_CFLAGS"
1157 if test "$ac_cv_cc_$2"x = "yesx"; then
1165 dnl Check to see whether 'struct msghdr' contains msg_control
1167 AC_DEFUN(FPTOOLS_MSGHDR_MSG_CONTROL,
1168 [AC_CACHE_CHECK([for msg_control in struct msghdr], fptools_cv_struct_msghdr_msg_control,
1169 [AC_TRY_COMPILE([#include <sys/types.h>
1170 #include <sys/uio.h>
1171 #include <sys/socket.h>], [struct msghdr m; m.msg_control;],
1172 fptools_cv_struct_msghdr_msg_control=yes, fptools_cv_struct_msghdr_msg_control=no)])
1173 if test $fptools_cv_struct_msghdr_msg_control = yes; then
1174 AC_DEFINE(HAVE_MSGHDR_MSG_CONTROL)
1176 AC_SUBST(HAVE_MSGHDR_MSG_CONTROL)dnl
1180 dnl Check to see whether 'struct msghdr' contains msg_accrights
1182 AC_DEFUN(FPTOOLS_MSGHDR_MSG_ACCRIGHTS,
1183 [AC_CACHE_CHECK([for msg_accrights in struct msghdr], fptools_cv_struct_msghdr_msg_accrights,
1184 [AC_TRY_COMPILE([#include <sys/types.h>
1185 #include <sys/uio.h>
1186 #include <sys/socket.h>], [struct msghdr m; m.msg_accrights;],
1187 fptools_cv_struct_msghdr_msg_accrights=yes, fptools_cv_struct_msghdr_msg_accrights=no)])
1188 if test $fptools_cv_struct_msghdr_msg_accrights = yes; then
1189 AC_DEFINE(HAVE_MSGHDR_MSG_ACCRIGHTS)
1191 AC_SUBST(HAVE_MSGHDR_MSG_ACCRIGHTS)dnl