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.
7 # FP_EVAL_STDERR(COMMAND)
8 # ------------------------
9 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
10 # into the file conftest.err and the exit status in the variable fp_status.
11 AC_DEFUN([FP_EVAL_STDERR],
12 [{ (eval $1) 2>conftest.er1
14 grep -v '^ *+' conftest.er1 >conftest.err
16 (exit $fp_status); }[]dnl
20 # FP_CHECK_FLAG(FLAG, [ACTION-IF-SUPPORTED], [ACTION-IF-NOT-SUPPORTED])
21 # -----------------------------------------------------------------------
22 # Check to see whether the compiler for the current language supports a
25 # Implementation note: When given an unkown option, GCC issues an warning on
26 # stderr only, but returns an exit value of 0 nevertheless. Consequently we have
27 # to check stderr *and* the exit value.
30 AC_DEFUN(FP_CHECK_FLAG,
31 [AC_LANG_COMPILER_REQUIRE()dnl
32 AC_LANG_CASE([C], [fp_compiler="$CC" m4_pushdef([fp_Flags], [CFLAGS])],
33 [C++], [fp_compiler="$CXX" m4_pushdef([fp_Flags], [CXXFLAGS])],
34 [Fortran 77], [fp_compiler="$F77" m4_pushdef([fp_Flags], [FFLAGS])])
35 m4_pushdef([fp_Cache], [fp_cv_[]fp_Flags[]AS_TR_SH([$1])])[]dnl
36 AC_CACHE_CHECK([whether $fp_compiler accepts $1], [fp_Cache],
37 [AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
38 fp_save_flags="$fp_Flags"
39 fp_Flags="$fp_Flags $1"
41 if FP_EVAL_STDERR([$ac_compile conftest.$ac_ext]) >/dev/null; then
42 test -s conftest.err || fp_Cache=yes
44 fp_Flags="$fp_save_flags"
45 rm -f conftest.err conftest.$ac_ext])
46 AS_IF([test $fp_Cache = yes], [$2], [$3])[]dnl
47 m4_popdef([fp_Cache])[]dnl
48 m4_popdef([fp_Flags])[]dnl
52 # FP_PROG_CONTEXT_DIFF
53 # --------------------
54 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
56 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
58 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
59 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
60 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
64 for fp_var in '-C 1' '-c1'
66 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
67 fp_cv_context_diff="diff $fp_var"
71 if test x"$fp_cv_context_diff" = xno; then
72 AC_MSG_ERROR([cannot figure out how to do context diffs])
74 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
75 ])# FP_PROG_CONTEXT_DIFF
80 # Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise.
82 # Used by base package.
83 AC_DEFUN([FP_DECL_ALTZONE],
84 [AC_REQUIRE([AC_HEADER_TIME])dnl
85 AC_CHECK_HEADERS([sys/time.h])
86 AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME
87 # include <sys/time.h>
91 # include <sys/time.h>
99 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
100 # ---------------------------------------------------------
101 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
102 # compilation. Execute IF-FAILS when unable to determine the value. Works for
103 # cross-compilation, too.
105 # Implementation note: We are lazy and use an internal autoconf macro, but it
106 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
108 AC_DEFUN([FP_COMPUTE_INT],
109 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
113 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
114 # ------------------------------------------------------------------
115 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
116 # given type. Defines ALIGNMENT_TYPE.
117 AC_DEFUN([FP_CHECK_ALIGNMENT],
118 [AS_LITERAL_IF([$1], [],
119 [AC_FATAL([$0: requires literal arguments])])[]dnl
120 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
121 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
122 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
123 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
124 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
126 [AC_INCLUDES_DEFAULT([$3])],
127 [AC_MSG_ERROR([cannot compute alignment ($1)
128 See `config.log' for more details.], [77])])
132 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
133 m4_popdef([fp_Cache])[]dnl
134 ])# FP_CHECK_ALIGNMENT
137 # FP_CHECK_CONST(EXPRESSION, [INCLUDES = DEFAULT-INCLUDES], [VALUE-IF-FAIL = -1])
138 # ---------------------------------------------------------------------------------
139 # Defines CONST_EXPRESSION to the value of the compile-time EXPRESSION, using
140 # INCLUDES. If the value cannot be determined, use VALUE-IF-FAIL.
141 AC_DEFUN([FP_CHECK_CONST],
142 [AS_VAR_PUSHDEF([fp_Cache], [fp_cv_const_$1])[]dnl
143 AC_CACHE_CHECK([value of $1], fp_Cache,
144 [FP_COMPUTE_INT([$1], fp_check_const_result, [AC_INCLUDES_DEFAULT([$2])],
145 [fp_check_const_result=m4_default([$3], ['-1'])])
146 AS_VAR_SET(fp_Cache, [$fp_check_const_result])])[]dnl
147 AC_DEFINE_UNQUOTED(AS_TR_CPP([CONST_$1]), AS_VAR_GET(fp_Cache), [The value of $1.])[]dnl
148 AS_VAR_POPDEF([fp_Cache])[]dnl
152 # FP_CHECK_CONSTS_TEMPLATE(EXPRESSION...)
153 # ----------------------------------
154 # autoheader helper for FP_CHECK_CONSTS
155 m4_define([FP_CHECK_CONSTS_TEMPLATE],
156 [AC_FOREACH([fp_Const], [$1],
157 [AH_TEMPLATE(AS_TR_CPP(CONST_[]fp_Const),
158 [The value of ]fp_Const[.])])[]dnl
159 ])# FP_CHECK_CONSTS_TEMPLATE
162 # FP_CHECK_CONSTS(EXPRESSION..., [INCLUDES = DEFAULT-INCLUDES], [VALUE-IF-FAIL = -1])
163 # -------------------------------------------------------------------------------------
164 # List version of FP_CHECK_CONST
165 AC_DEFUN(FP_CHECK_CONSTS,
166 [FP_CHECK_CONSTS_TEMPLATE([$1])dnl
167 for fp_const_name in $1
169 FP_CHECK_CONST([$fp_const_name], [$2], [$3])
174 dnl ** check for leading underscores in symbol names
176 dnl Test for determining whether symbol names have a leading
179 dnl We assume that they _haven't_ if anything goes wrong.
181 dnl Some nlist implementations seem to try to be compatible by ignoring
182 dnl a leading underscore sometimes (eg. FreeBSD). We therefore have
183 dnl to work around this by checking for *no* leading underscore first.
186 dnl Similarly on OpenBSD, but this test doesn't help. -- dons
188 AC_DEFUN(FPTOOLS_UNDERSCORE,
189 [AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl
190 AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore,
193 dnl Hack!: nlist() under Digital UNIX insist on there being an _,
194 dnl but symbol table listings shows none. What is going on here?!?
196 dnl Another hack: cygwin doesn't come with nlist.h , so we hardwire
197 dnl the underscoredness of that "platform"
198 changequote(<<, >>)dnl
200 case $HostPlatform in
201 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
203 i386-*2\.[[0-9]] | i386-*3\.[[0-3]] ) fptools_cv_lead_uscore='yes' ;;
204 *) fptools_cv_lead_uscore='no' ;;
206 alpha-dec-osf*) fptools_cv_lead_uscore='no';;
207 *cygwin32) fptools_cv_lead_uscore='yes';;
208 *mingw32) fptools_cv_lead_uscore='yes';;
211 AC_TRY_RUN([#ifdef HAVE_NLIST_H
213 changequote(<<, >>)dnl
215 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
216 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
224 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
226 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
231 }], fptools_cv_lead_uscore=yes, fptools_cv_lead_uscore=no, fptools_cv_lead_uscore=NO)
234 LeadingUnderscore=`echo $fptools_cv_lead_uscore | sed 'y/yesno/YESNO/'`
235 AC_SUBST(LeadingUnderscore)
236 case $LeadingUnderscore in
237 YES) AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.]);;
242 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
243 # ----------------------------------------------------------------------------------
244 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
245 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
246 AC_DEFUN([FP_COMPARE_VERSIONS],
247 [fp_version1=$1; fp_version2=$3
248 fp_save_IFS=$IFS; IFS='.'
249 while test x"$fp_version1" != x || test x"$fp_version2" != x
252 set dummy $fp_version1; shift
254 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
255 test x"$fp_num1" = x && fp_num1="0"
258 set dummy $fp_version2; shift
260 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
261 test x"$fp_num2" = x && fp_num2="0"
264 test "$fp_num1" = "$fp_num2" || break;
267 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
268 ])# FP_COMPARE_VERSIONS
272 dnl Check for GreenCard and version.
274 AC_DEFUN(FPTOOLS_GREENCARD,
276 AC_PATH_PROG(GreenCardCmd,greencard)
277 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
279 [if test x"$GreenCardCmd" != x; then
280 fptools_cv_greencard_version="`$GreenCardCmd --version |
281 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
283 fptools_cv_greencard_version=""
287 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
288 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
289 GreenCardVersion=$fptools_cv_greencard_version
290 AC_SUBST(GreenCardVersion)
294 dnl Check for Happy and version. If we're building GHC, then we need
295 dnl at least Happy version 1.13. If there's no installed Happy, we look
296 dnl for a happy source tree and point the build system at that instead.
298 AC_DEFUN(FPTOOLS_HAPPY,
300 if test -d $srcdir/happy; then
301 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
303 if test x"$UseSrcTreeHappy" = xYES; then
304 HappyCmd=$SrcTreeHappyCmd
306 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
308 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
310 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd"; then
311 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
312 elif test x"$HappyCmd" != x; then
313 fptools_cv_happy_version="`$HappyCmd -v |
314 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
316 fptools_cv_happy_version="";
320 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
321 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.13],
322 [AC_MSG_ERROR([Happy version 1.13 or later is required to compile GHC.])])[]dnl
324 HappyVersion=$fptools_cv_happy_version;
325 AC_SUBST(HappyVersion)
329 dnl Check for Haddock and version. If there's no installed Haddock, we look
330 dnl for a haddock source tree and point the build system at that instead.
332 AC_DEFUN(FPTOOLS_HADDOCK,
334 if test -d $srcdir/haddock; then
335 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
337 if test x"$UseSrcTreeHaddock" = xYES; then
338 HaddockCmd=$SrcTreeHaddockCmd
340 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
342 dnl Darn, I forgot to make Haddock print out its version number when
343 dnl invoked with -v. We could try generating some HTML and grepping
344 dnl through that to find the version number, but I think we'll make
345 dnl do without it for now.
349 dnl Check for Alex and version. If we're building GHC, then we need
350 dnl at least Alex version 2.0. If there's no installed Alex, we look
351 dnl for a alex source tree and point the build system at that instead.
353 AC_DEFUN(FPTOOLS_ALEX,
355 if test -d $srcdir/alex; then
356 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
358 if test x"$UseSrcTreeAlex" = xYES; then
359 AlexCmd=$SrcTreeAlexCmd
361 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
363 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
365 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
366 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
367 elif test x"$AlexCmd" != x; then
368 fptools_cv_alex_version="`$AlexCmd -v |
369 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
371 fptools_cv_alex_version="";
375 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
376 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
377 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
379 AlexVersion=$fptools_cv_alex_version;
380 AC_SUBST(AlexVersion)
385 dnl Check whether ld supports -x
387 AC_DEFUN(FPTOOLS_LD_X,
388 [AC_CACHE_CHECK([whether ld understands -x], fptools_cv_ld_x,
390 echo 'foo() {}' > conftest.c
391 ${CC-cc} -c conftest.c
392 if ${LdCmd} -r -x -o foo.o conftest.o; then
397 rm -rf conftest.c conftest.o foo.o
399 if test "$fptools_cv_ld_x" = yes; then
408 dnl *** Checking for ar and its arguments + whether we need ranlib.
410 dnl ArCmd, ArSupportsInput and RANLIB are AC_SUBST'ed
411 dnl On Digital UNIX, we test for the -Z (compress) and
412 dnl -input (take list of files from external file) flags.
414 AC_DEFUN(FPTOOLS_PROG_AR_AND_RANLIB,
415 [AC_PATH_PROG(ArCmdRaw,ar)
416 if test -z "$ArCmdRaw"; then
417 echo "You don't seem to have ar in your PATH...I have no idea how to make a library"
420 dnl GNU ar needs special treatment: it appears to have problems with
421 dnl object files with the same name if you use the 's' modifier, but
422 dnl simple 'ar q' works fine, and doesn't need a separate ranlib.
423 if $ArCmdRaw --version | grep 'GNU' >/dev/null 2>/dev/null; then
426 elif $ArCmdRaw clqsZ conftest.a >/dev/null 2>/dev/null; then
429 elif $ArCmdRaw clqs conftest.a >/dev/null 2>/dev/null; then
432 elif $ArCmdRaw cqs conftest.a >/dev/null 2>/dev/null; then
435 elif $ArCmdRaw clq conftest.a >/dev/null 2>/dev/null; then
438 elif $ArCmdRaw cq conftest.a >/dev/null 2>/dev/null; then
441 elif $ArCmdRaw cq conftest.a 2>&1 | grep 'no archive members specified' >/dev/null 2>/dev/null; then
445 echo "I can't figure out how to use your $ArCmd"
449 case $HostPlatform in
451 ArCmd="`cygpath -w ${ArCmdRaw} | sed -e 's@\\\\@/@g' ` ${ArCmdArgs}"
453 *) ArCmd="${ArCmdRaw} ${ArCmdArgs}"
456 test -n "$ArCmd" && test -n "$verbose" && echo " setting ArCmd to $ArCmd"
458 if $ArCmd conftest.a -input /dev/null >/dev/null 2>/dev/null; then
459 ArSupportsInput='-input'
464 test -n "$ArSupportsInput" && test -n "$verbose" && echo " setting ArSupportsInput to $ArSupportsInput"
465 AC_SUBST(ArSupportsInput)
466 if test -z "$NeedRanLib"; then
468 test -n "$verbose" && echo " setting RANLIB to $RANLIB"
476 dnl AC_SHEBANG_PERL - can we she-bang perl?
478 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
479 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
484 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
485 if test $? -ne 69; then
486 fptools_cv_shebang_perl=yes
488 fptools_cv_shebang_perl=no
494 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
495 dnl *Must* be called after AC_PROG_CC
497 AC_DEFUN(FPTOOLS_HAVE_GCC,
498 [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
499 [if test -z "$GCC"; then
501 echo "You would be better off with gcc"
502 echo "Perhaps it is already installed, but not in your PATH?"
503 fptools_cv_have_gcc='no'
506 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' `"
508 fptools_cv_have_gcc='yes'
509 FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
510 [fptools_cv_have_gcc='no'
512 echo "your gcc version appears to be ..."
514 echo "gcc prior to 2.0 and have never worked with ghc."
515 echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
516 AC_MSG_ERROR([gcc 1.X has never been supported])])
519 HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
524 dnl Some OSs (Mandrake Linux, in particular) configure GCC with
525 dnl -momit-leaf-frame-pointer on by default. If this is the case, we
526 dnl need to turn it off for mangling to work. The test is currently a bit
527 dnl crude, using only the version number of gcc.
529 AC_DEFUN([FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR],
530 [AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fptools_cv_gcc_needs_no_omit_lfptr],
531 [FP_COMPARE_VERSIONS([$gcc_version_str], [-ge], [3.2],
532 [fptools_cv_gcc_needs_no_omit_lfptr=yes],
533 [fptools_cv_gcc_needs_no_omit_lfptr=no])])
534 if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
535 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
536 fi])# FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
539 dnl Small feature test for perl version. Assumes PerlCmd
540 dnl contains path to perl binary
542 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
543 [$PerlCmd -v >conftest.out 2>&1
544 if grep "version 5" conftest.out >/dev/null 2>&1; then
547 if grep "v5.6" conftest.out >/dev/null 2>&1; then
550 if grep "v5.8" conftest.out >/dev/null 2>&1; then
553 if grep "version 6" conftest.out >/dev/null 2>&1; then
556 echo "Your version of perl probably won't work."
565 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
566 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
567 # -----------------------------------------------------
568 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
569 # of PROG-TO-CHECK-FOR when found.
570 AC_DEFUN([FP_CHECK_PROG],
571 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
577 # Find a non-WinDoze version of the "find" utility.
578 AC_DEFUN([FP_PROG_FIND],
579 [AC_PATH_PROG([fp_prog_find], [find])
580 echo foo > conftest.txt
581 $fp_prog_find conftest.txt -print > conftest.out 2>&1
582 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
583 # OK, looks like a real "find".
584 FindCmd="$fp_prog_find"
586 # Found a poor WinDoze version of "find", ignore it.
587 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
588 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
590 rm -f conftest.txt conftest.out
591 AC_SUBST([FindCmd])[]dnl
596 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
597 dnl values of the second argument to the result of running
598 dnl the commands given by the third. It does not cache its
599 dnl result, so it is suitable for checks which should be
602 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
603 [AC_MSG_CHECKING([$1])
605 AC_MSG_RESULT([$][$2])
609 dnl FPTOOLS_GHC_VERSION(version)
610 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
611 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
613 dnl Test for version of installed ghc. Uses $GHC.
614 dnl [original version pinched from c2hs]
616 AC_DEFUN(FPTOOLS_GHC_VERSION,
617 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
618 ["${WithGhc-ghc}" --version > conftestghc 2>&1
619 cat conftestghc >&AC_FD_CC
620 #Useless Use Of cat award...
621 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
623 if test "[$]fptools_version_of_ghc" = ""
625 fptools_version_of_ghc='unknown'
627 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
628 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
629 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
631 if test "[$]fptools_version_of_ghc[_pl]" = ""
633 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
634 fptools_version_of_ghc[_pl]="0"
636 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
640 [$1]="[$]fptools_version_of_ghc[_all]"
642 [$1]="[$]fptools_version_of_ghc[_major]"
643 [$2]="[$]fptools_version_of_ghc[_minor]"
645 [$1]="[$]fptools_version_of_ghc[_major]"
646 [$2]="[$]fptools_version_of_ghc[_minor]"
647 [$3]="[$]fptools_version_of_ghc[_pl]"
649 [$1]="[$]fptools_version_of_ghc[_all]"
650 [$2]="[$]fptools_version_of_ghc[_major]"
651 [$3]="[$]fptools_version_of_ghc[_minor]"
652 [$4]="[$]fptools_version_of_ghc[_pl]"
658 dnl ** Map an arithmetic C type to a Haskell type.
659 dnl Based on autconf's AC_CHECK_SIZEOF.
661 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
662 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
663 [changequote(<<, >>)dnl
664 dnl The name to #define.
665 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
666 dnl The cache variable name.
667 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
668 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
670 AC_MSG_CHECKING(Haskell type for $1)
671 AC_CACHE_VAL(AC_CV_NAME,
672 [AC_CV_NAME_supported=yes
673 fp_check_htype_save_cppflags="$CPPFLAGS"
674 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
675 AC_TRY_RUN([#include <stdio.h>
679 # include <sys/types.h>
687 # include <sys/stat.h>
703 # include <termios.h>
714 #if defined(HAVE_GL_GL_H)
716 #elif defined(HAVE_OPENGL_GL_H)
717 # include <OpenGL/gl.h>
720 #if defined(HAVE_AL_ALC_H)
722 #elif defined(HAVE_OPENAL_ALC_H)
723 # include <OpenAL/alc.h>
726 #if HAVE_SYS_RESOURCE_H
727 # include <sys/resource.h>
733 FILE *f=fopen("conftestval", "w");
735 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
737 ((testing)(-1) < (testing)0) ? "Int" : "Word",
741 (sizeof(testing) > sizeof(double)) ? "LDouble" :
742 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
746 }],AC_CV_NAME=`cat conftestval`,
747 ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], AC_CV_NAME=$2),
748 ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], AC_CV_NAME=$3))]) dnl
749 CPPFLAGS="$fp_check_htype_save_cppflags"
750 if test "$AC_CV_NAME_supported" = yes; then
751 AC_MSG_RESULT($AC_CV_NAME)
752 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
754 AC_MSG_RESULT([not supported])
756 undefine([AC_TYPE_NAME])dnl
757 undefine([AC_CV_NAME])dnl
758 undefine([AC_CV_NAME_supported])dnl
761 dnl Based on AC_TRY_LINK - run iftrue if links cleanly with no warning
763 dnl FPTOOLS_TRY_LINK_NOWARN(flags,main?,iftrue,iffalse)
765 AC_DEFUN(FPTOOLS_TRY_LINK_NOWARN,
769 cat > conftest.$ac_ext <<EOF
770 dnl This sometimes fails to find confdefs.h, for some reason.
771 dnl [#]line __oline__ "[$]0"
772 [#]line __oline__ "configure"
773 #include "confdefs.h"
775 int t() { return 0; }
777 if AC_TRY_EVAL(ac_link); then
782 ifelse([$4], , , [else
792 dnl Loosely based on AC_CHECK_LIB in acgeneral.m4 in autoconf distribution
794 dnl FPTOOLS_CHECK_FLAG_NOWARN(NAME, FLAG, CODE, iftrue, iffalse)
796 AC_DEFUN(FPTOOLS_CHECK_FLAG_NOWARN,
797 [AC_MSG_CHECKING([for $1])
798 AC_CACHE_VAL(ac_cv_flag_$1,
799 [FPTOOLS_TRY_LINK_NOWARN("$2", [main() { $3; exit(0); } ],
800 eval "ac_cv_flag_$1=yes",
801 eval "ac_cv_flag_$1=no"
804 if eval "test \"`echo '$ac_cv_flag_'$1`\" = yes"; then
814 dnl FPTOOLS_CHECK_LIB_NOWARN(LIBRARY, FUNCTION)
816 AC_DEFUN(FPTOOLS_CHECK_LIB_NOWARN,
817 [FPTOOLS_CHECK_FLAG_NOWARN([function_$2],[],[extern char $2(); $2();],
819 ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
821 AC_DEFINE_UNQUOTED($ac_tr_lib)
823 [FPTOOLS_CHECK_FLAG_NOWARN([library_$1],[-l$1],[extern char $2(); $2();],
825 ac_tr_lib=HAVE_LIB`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
827 AC_DEFINE_UNQUOTED($ac_tr_lib)
834 dnl ** Check which CATALOG file we have to use with DocBook SGML.
836 dnl FPTOOLS_DOCBOOK_CATALOG(VARIABLE, JADE, STYLESHEET, CATALOGS-TO-CHECK-FOR)
838 dnl If any of the catalogs given in CATALOGS-TO-CHECK-FOR works on this
839 dnl platform, let VARIABLE refer to this catalog; otherwise, VARIABLE
840 dnl is set to "no". JADE is the jade executable and STYLESHEET
841 dnl a DocBook style sheet.
843 AC_DEFUN(FPTOOLS_DOCBOOK_CATALOG,
844 [AC_CACHE_CHECK([for DocBook CATALOG], fptools_cv_sgml_catalog,
846 cat > conftest.sgml << EOF
847 <!DOCTYPE Article PUBLIC "-//OASIS//DTD DocBook V3.1//EN">
851 <Author><OtherName>Test</OtherName></Author>
852 <Address>Test</Address>
853 <PubDate>Test</PubDate>
855 <Sect1><Title>Test</Title>
862 fptools_cv_sgml_catalog=no
863 if test -z "$SGML_CATALOG_FILES" ; then
864 for fptools_catalog in $4; do
865 ac_try="$2 -t rtf -d $3#print -c $fptools_catalog conftest.sgml"
866 if AC_TRY_EVAL(ac_try); then
867 fptools_cv_sgml_catalog=[$]fptools_catalog
872 # If the env var SGML_CATALOG_FILES is defined, assume things are cool.
873 fptools_cv_sgml_catalog="yes"
877 if test $fptools_cv_sgml_catalog != "no"; then
878 $1=$fptools_cv_sgml_catalog
885 # If Windows is the target platform (e.g. MinGW/MSYS or Cygwin with
886 # -mno-cygwin), the variable "is_win32" is set to "yes", otherwise (e.g. *nix
887 # systems or plain Cygwin) it is set to "no".
888 AC_DEFUN([FP_CHECK_WIN32],
889 [AC_CACHE_CHECK([for Windows environment], [fp_cv_is_win32],
890 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
894 ])], [fp_cv_is_win32=yes], [fp_cv_is_win32=no])])
895 is_win32="$fp_cv_is_win32"[]dnl
901 # Same as AC_PATH_X, but works even for broken Cygwins which try to include the
902 # non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
903 AC_DEFUN([FP_PATH_X],
904 [AC_REQUIRE([FP_CHECK_WIN32])
905 if test x"$is_win32" = xyes; then
915 # Same as AC_PATH_XTRA, but works even for broken Cygwins which try to include
916 # the non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
917 AC_DEFUN([FP_PATH_XTRA],
918 [AC_REQUIRE([FP_CHECK_WIN32])
919 if test x"$is_win32" = xyes; then
927 # FP_CHECK_GL_HELPER(LIBNAME, LIBS, INCLUDES, FUNCTION-BODY)
928 # ----------------------------------------------------------
929 # Try each library in LIBS to successfully link INCLUDES plus FUNCTION-BODY,
930 # setting LIBNAME_CFLAGS and LIBNAME_LIBS to the corresponding values. Sets
931 # no_LIBNAME to "yes" if no suitable library was found. (LIBNAME_CFLAGS0
932 # contains the value of LIBNAME_CFLAGS without CPPFLAGS, and LIBNAME_LIBS0
933 # contains the value of LIBNAME_LIBS without LDFLAGS, but these are only
935 AC_DEFUN([FP_CHECK_GL_HELPER],
936 [AC_CACHE_CHECK([for $1 library], [fp_cv_check_$1_lib],
937 [fp_cv_check_$1_lib="no"
938 fp_save_CPPFLAGS="$CPPFLAGS"
939 CPPFLAGS="$CPPFLAGS ${$1_CFLAGS}"
941 for fp_try_lib in $2; do
942 # transform "-lfoo" to "foo.lib" when using cl
943 if test x"$CC" = xcl; then
944 fp_try_lib=`echo $fp_try_lib | sed -e 's/^-l//' -e 's/$/.lib/'`
946 LIBS="$fp_try_lib ${$1_LIBS} $fp_save_LIBS"
947 AC_TRY_LINK([$3], [$4], [fp_cv_check_$1_lib="$fp_try_lib ${$1_LIBS}"; break])
950 CPPFLAGS="$fp_save_CPPFLAGS"])
952 if test x"$fp_cv_check_$1_lib" = xno; then
957 $1_CFLAGS0="${$1_CFLAGS}"
958 $1_CFLAGS="$CPPFLAGS ${$1_CFLAGS0}"
959 $1_LIBS0="$fp_cv_check_$1_lib"
960 $1_LIBS="$LDFLAGS ${$1_LIBS0}"
962 ])# FP_CHECK_GL_HELPER
967 AC_DEFUN([FP_CHECK_GL],
968 [AC_REQUIRE([FP_PATH_X])
969 AC_REQUIRE([AC_CANONICAL_SYSTEM])
971 AC_ARG_ENABLE([hopengl],
972 [AC_HELP_STRING([--enable-hopengl],
973 [build a Haskell binding for OpenGL (GL/GLU). On Mac OS X, use
974 --enable-hopengl=x11 to use X11 instead of the "native" libraries.
976 [enable_opengl=$enableval], [enable_opengl=no])
978 if test x"$enable_opengl" = xno; then
984 if test x"$enable_opengl" != xx11; then
985 AC_DEFINE([USE_QUARTZ_OPENGL], [1],
986 [Define to 1 if native OpenGL should be used on Mac OS X])
987 use_quartz_opengl=yes
992 if test x"$use_quartz_opengl" != xyes; then
993 AC_CHECK_LIB([m], [main], [GL_LIBS="-lm $GL_LIBS"])
995 if test x"$no_x" != xyes; then
996 test -n "$x_includes" && GL_CFLAGS="-I$x_includes $GL_CFLAGS"
997 test -n "$x_libraries" && GL_LIBS="-L$x_libraries -lX11 $GL_LIBS"
1000 FP_CHECK_GL_HELPER([GL], [-lopengl32 -lGL], [@%:@include <GL/gl.h>], [glEnd()])
1004 AC_SUBST([GL_CFLAGS])
1011 AC_DEFUN([FP_CHECK_GLU],
1012 [AC_REQUIRE([FP_CHECK_GL])dnl
1013 GLU_CFLAGS="$GL_CFLAGS0"
1014 GLU_LIBS="$GL_LIBS0"
1016 if test x"$enable_opengl" = xno; then
1018 elif test x"$use_quartz_opengl" != xyes; then
1019 FP_CHECK_GL_HELPER([GLU], [-lglu32 -lGLU], [@%:@include <GL/glu.h>], [gluNewQuadric()])
1022 AC_SUBST([GLU_CFLAGS])
1023 AC_SUBST([GLU_LIBS])
1029 AC_DEFUN([FP_CHECK_GLUT],
1030 [AC_REQUIRE([FP_CHECK_GLU])
1033 if test x"$enable_opengl" = xno; then
1035 elif test x"$use_quartz_opengl" != xyes; then
1036 GLUT_CFLAGS="$GLU_CFLAGS0"
1037 GLUT_LIBS="$GLU_LIBS0"
1039 if test x"$no_x" != xyes; then
1040 GLUT_LIBS="$X_PRE_LIBS -lXmu -lXi $X_EXTRA_LIBS $GLUT_LIBS"
1043 AC_CHECK_HEADERS([windows.h GL/glut.h])
1044 # Note 1: On Cygwin with X11, GL/GLU functions use the "normal" calling
1045 # convention, but GLUT functions use stdcall. To get this right, it is
1046 # necessary to include <windows.h> first.
1047 # Note 2: MinGW/MSYS comes without a GLUT header, so we use Cygwin's one in
1049 FP_CHECK_GL_HELPER([GLUT], [-lglut32 -lglut], [
1051 #include <windows.h>
1054 #include <GL/glut.h>
1056 #include "glut_local.h"
1058 ], [glutMainLoop()])
1061 AC_SUBST([GLUT_CFLAGS])
1062 AC_SUBST([GLUT_LIBS])
1066 dnl @synopsis FP_EMPTY_STRUCTS
1068 dnl Check whether empty structs is accepted by CC.
1070 AC_DEFUN(FP_EMPTY_STRUCTS,
1071 [AC_CACHE_CHECK(empty struct support, fptools_cv_empty_structs,
1073 typedef struct { /*empty*/ } StgFoo;
1076 fptools_cv_empty_structs=yes,
1077 fptools_cv_empty_structs=no)])
1078 if test "$fptools_cv_empty_structs" = yes; then
1079 AC_DEFINE([SUPPORTS_EMPTY_STRUCTS], [1], [Define to 1 if C compiler supports declaration of empty structure types.])