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 # FP_LEADING_UNDERSCORE
175 # ---------------------
176 # Test for determining whether symbol names have a leading underscore. We assume
177 # that they _haven't_ if anything goes wrong. Sets the output variable
178 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
180 # Some nlist implementations seem to try to be compatible by ignoring a leading
181 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
182 # checking for *no* leading underscore first. Sigh. --SDM
184 # Similarly on OpenBSD, but this test doesn't help. -- dons
185 AC_DEFUN([FP_LEADING_UNDERSCORE],
186 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
187 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
188 # Hack!: nlist() under Digital UNIX insist on there being an _,
189 # but symbol table listings shows none. What is going on here?!?
191 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
192 # the underscoredness of that "platform"
193 case $HostPlatform in
194 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
196 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
197 *) fptools_cv_leading_underscore=no ;;
199 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
200 *cygwin32) fptools_cv_leading_underscore=yes;;
201 *mingw32) fptools_cv_leading_underscore=yes;;
202 *darwin) fptools_cv_leading_underscore=yes;;
203 *) AC_TRY_RUN([#ifdef HAVE_NLIST_H
205 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
206 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
212 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
214 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
218 }], [fptools_cv_leading_underscore=yes], [fptools_cv_leading_underscore=no], [fptools_cv_leading_underscore=no])
221 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
222 if test x"$fptools_cv_leading_underscore" = xyes; then
223 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
224 fi])# FP_LEADING_UNDERSCORE
227 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
228 # ----------------------------------------------------------------------------------
229 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
230 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
231 AC_DEFUN([FP_COMPARE_VERSIONS],
232 [fp_version1=$1; fp_version2=$3
233 fp_save_IFS=$IFS; IFS='.'
234 while test x"$fp_version1" != x || test x"$fp_version2" != x
237 set dummy $fp_version1; shift
239 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
240 test x"$fp_num1" = x && fp_num1="0"
243 set dummy $fp_version2; shift
245 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
246 test x"$fp_num2" = x && fp_num2="0"
249 test "$fp_num1" = "$fp_num2" || break;
252 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
253 ])# FP_COMPARE_VERSIONS
257 dnl Check for GreenCard and version.
259 AC_DEFUN(FPTOOLS_GREENCARD,
261 AC_PATH_PROG(GreenCardCmd,greencard)
262 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
264 [if test x"$GreenCardCmd" != x; then
265 fptools_cv_greencard_version="`$GreenCardCmd --version |
266 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
268 fptools_cv_greencard_version=""
272 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
273 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
274 GreenCardVersion=$fptools_cv_greencard_version
275 AC_SUBST(GreenCardVersion)
279 dnl Check for Happy and version. If we're building GHC, then we need
280 dnl at least Happy version 1.14. If there's no installed Happy, we look
281 dnl for a happy source tree and point the build system at that instead.
283 AC_DEFUN(FPTOOLS_HAPPY,
285 if test -d $srcdir/happy; then
286 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
288 if test x"$UseSrcTreeHappy" = xYES; then
289 HappyCmd=$SrcTreeHappyCmd
291 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
293 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
295 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd" -a -e $srcdir/happy/mk/version.mk; then
296 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
297 elif test x"$HappyCmd" != x; then
298 fptools_cv_happy_version="`$HappyCmd -v |
299 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
301 fptools_cv_happy_version="";
305 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
306 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.14],
307 [AC_MSG_ERROR([Happy version 1.14 or later is required to compile GHC.])])[]dnl
309 HappyVersion=$fptools_cv_happy_version;
310 AC_SUBST(HappyVersion)
314 dnl Check for Haddock and version. If there's no installed Haddock, we look
315 dnl for a haddock source tree and point the build system at that instead.
317 AC_DEFUN(FPTOOLS_HADDOCK,
319 if test -d $srcdir/haddock; then
320 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
322 if test x"$UseSrcTreeHaddock" = xYES; then
323 HaddockCmd=$SrcTreeHaddockCmd
325 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
327 dnl Darn, I forgot to make Haddock print out its version number when
328 dnl invoked with -v. We could try generating some HTML and grepping
329 dnl through that to find the version number, but I think we'll make
330 dnl do without it for now.
334 dnl Check for Alex and version. If we're building GHC, then we need
335 dnl at least Alex version 2.0. If there's no installed Alex, we look
336 dnl for a alex source tree and point the build system at that instead.
338 AC_DEFUN(FPTOOLS_ALEX,
340 if test -d $srcdir/alex; then
341 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
343 if test x"$UseSrcTreeAlex" = xYES; then
344 AlexCmd=$SrcTreeAlexCmd
346 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
348 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
350 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
351 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
352 elif test x"$AlexCmd" != x; then
353 fptools_cv_alex_version="`$AlexCmd -v |
354 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
356 fptools_cv_alex_version="";
360 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
361 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
362 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
364 AlexVersion=$fptools_cv_alex_version;
365 AC_SUBST(AlexVersion)
370 dnl Check whether ld supports -x
372 AC_DEFUN(FPTOOLS_LD_X,
373 [AC_CACHE_CHECK([whether ld understands -x], fptools_cv_ld_x,
375 echo 'foo() {}' > conftest.c
376 ${CC-cc} -c conftest.c
377 if ${LdCmd} -r -x -o foo.o conftest.o; then
382 rm -rf conftest.c conftest.o foo.o
384 if test "$fptools_cv_ld_x" = yes; then
395 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
396 # version of it. Exits if no ar can be found
397 AC_DEFUN([FP_PROG_AR],
398 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
399 if test -z "$fp_prog_ar_raw"; then
400 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
402 fp_prog_ar=$fp_prog_ar_raw
403 case $HostPlatform in
404 *mingw32) if test x${OSTYPE} != xmsys; then
405 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
406 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
415 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
416 AC_DEFUN([FP_PROG_AR_IS_GNU],
417 [AC_REQUIRE([FP_PROG_AR])
418 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
419 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
420 fp_cv_prog_ar_is_gnu=yes
422 fp_cv_prog_ar_is_gnu=no
424 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
425 ])# FP_PROG_AR_IS_GNU
430 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
431 # to a non-Cygwin invocation of ar including these arguments.
432 AC_DEFUN([FP_PROG_AR_ARGS],
433 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
434 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
436 # GNU ar needs special treatment: it appears to have problems with
437 # object files with the same name if you use the 's' modifier, but
438 # simple 'ar q' works fine, and doesn't need a separate ranlib.
439 if test $fp_prog_ar_is_gnu = yes; then
440 fp_cv_prog_ar_args="q"
443 for fp_var in clqsZ clqs cqs clq cq ; do
445 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
446 fp_cv_prog_ar_args=$fp_var
451 if test -z "$fp_cv_prog_ar_args"; then
452 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
455 fp_prog_ar_args=$fp_cv_prog_ar_args
456 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
461 # FP_PROG_AR_NEEDS_RANLIB
462 # -----------------------
463 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
465 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
466 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
467 AC_REQUIRE([FP_PROG_AR_ARGS])
468 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
469 [if test $fp_prog_ar_is_gnu = yes; then
470 fp_cv_prog_ar_needs_ranlib=no
471 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
472 fp_cv_prog_ar_needs_ranlib=no
474 fp_cv_prog_ar_needs_ranlib=yes
476 if test $fp_cv_prog_ar_needs_ranlib = yes; then
482 ])# FP_PROG_AR_NEEDS_RANLIB
485 # FP_PROG_AR_SUPPORTS_INPUT
486 # -------------------------
487 # Sets the output variable ArSupportsInput to "-input" or "", depending on
488 # whether ar supports -input flag is supported or not.
489 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
490 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
491 AC_REQUIRE([FP_PROG_AR_ARGS])
492 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
493 [fp_cv_prog_ar_supports_input=no
494 if test $fp_prog_ar_is_gnu = no; then
497 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
498 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
502 if test $fp_cv_prog_ar_supports_input = yes; then
503 ArSupportsInput="-input"
507 AC_SUBST([ArSupportsInput])
508 ])# FP_PROG_AR_SUPPORTS_INPUT
512 dnl AC_SHEBANG_PERL - can we she-bang perl?
514 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
515 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
520 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
521 if test $? -ne 69; then
522 fptools_cv_shebang_perl=yes
524 fptools_cv_shebang_perl=no
530 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
531 dnl *Must* be called after AC_PROG_CC
533 AC_DEFUN(FPTOOLS_HAVE_GCC,
534 [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
535 [if test -z "$GCC"; then
537 echo "You would be better off with gcc"
538 echo "Perhaps it is already installed, but not in your PATH?"
539 fptools_cv_have_gcc='no'
542 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' `"
544 fptools_cv_have_gcc='yes'
545 FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
546 [fptools_cv_have_gcc='no'
548 echo "your gcc version appears to be ..."
550 echo "gcc prior to 2.0 and have never worked with ghc."
551 echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
552 AC_MSG_ERROR([gcc 1.X has never been supported])])
555 HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
557 GccVersion=`gcc --version | grep mingw | cut -f 3 -d ' '`
562 dnl Some OSs (Mandrake Linux, in particular) configure GCC with
563 dnl -momit-leaf-frame-pointer on by default. If this is the case, we
564 dnl need to turn it off for mangling to work. The test is currently a bit
565 dnl crude, using only the version number of gcc.
567 AC_DEFUN([FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR],
568 [AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fptools_cv_gcc_needs_no_omit_lfptr],
569 [FP_COMPARE_VERSIONS([$gcc_version_str], [-ge], [3.2],
570 [fptools_cv_gcc_needs_no_omit_lfptr=yes],
571 [fptools_cv_gcc_needs_no_omit_lfptr=no])])
572 if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
573 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
574 fi])# FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
577 dnl Small feature test for perl version. Assumes PerlCmd
578 dnl contains path to perl binary
580 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
581 [$PerlCmd -v >conftest.out 2>&1
582 if grep "version 5" conftest.out >/dev/null 2>&1; then
585 if grep "v5.6" conftest.out >/dev/null 2>&1; then
588 if grep "v5.8" conftest.out >/dev/null 2>&1; then
591 if grep "version 6" conftest.out >/dev/null 2>&1; then
594 echo "Your version of perl probably won't work."
603 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
604 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
605 # -----------------------------------------------------
606 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
607 # of PROG-TO-CHECK-FOR when found.
608 AC_DEFUN([FP_CHECK_PROG],
609 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
615 # Find a non-WinDoze version of the "find" utility.
616 AC_DEFUN([FP_PROG_FIND],
617 [AC_PATH_PROG([fp_prog_find], [find])
618 echo foo > conftest.txt
619 $fp_prog_find conftest.txt -print > conftest.out 2>&1
620 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
621 # OK, looks like a real "find".
622 FindCmd="$fp_prog_find"
624 # Found a poor WinDoze version of "find", ignore it.
625 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
626 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
628 rm -f conftest.txt conftest.out
629 AC_SUBST([FindCmd])[]dnl
634 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
635 dnl values of the second argument to the result of running
636 dnl the commands given by the third. It does not cache its
637 dnl result, so it is suitable for checks which should be
640 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
641 [AC_MSG_CHECKING([$1])
643 AC_MSG_RESULT([$][$2])
647 dnl FPTOOLS_GHC_VERSION(version)
648 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
649 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
651 dnl Test for version of installed ghc. Uses $GHC.
652 dnl [original version pinched from c2hs]
654 AC_DEFUN(FPTOOLS_GHC_VERSION,
655 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
656 ["${WithGhc-ghc}" --version > conftestghc 2>&1
657 cat conftestghc >&AC_FD_CC
658 #Useless Use Of cat award...
659 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
661 if test "[$]fptools_version_of_ghc" = ""
663 fptools_version_of_ghc='unknown'
665 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
666 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
667 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
669 if test "[$]fptools_version_of_ghc[_pl]" = ""
671 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
672 fptools_version_of_ghc[_pl]="0"
674 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
678 [$1]="[$]fptools_version_of_ghc[_all]"
680 [$1]="[$]fptools_version_of_ghc[_major]"
681 [$2]="[$]fptools_version_of_ghc[_minor]"
683 [$1]="[$]fptools_version_of_ghc[_major]"
684 [$2]="[$]fptools_version_of_ghc[_minor]"
685 [$3]="[$]fptools_version_of_ghc[_pl]"
687 [$1]="[$]fptools_version_of_ghc[_all]"
688 [$2]="[$]fptools_version_of_ghc[_major]"
689 [$3]="[$]fptools_version_of_ghc[_minor]"
690 [$4]="[$]fptools_version_of_ghc[_pl]"
696 dnl ** Map an arithmetic C type to a Haskell type.
697 dnl Based on autconf's AC_CHECK_SIZEOF.
699 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
700 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
701 [changequote(<<, >>)dnl
702 dnl The name to #define.
703 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
704 dnl The cache variable name.
705 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
706 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
708 AC_MSG_CHECKING(Haskell type for $1)
709 AC_CACHE_VAL(AC_CV_NAME,
710 [AC_CV_NAME_supported=yes
711 fp_check_htype_save_cppflags="$CPPFLAGS"
712 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
713 AC_TRY_RUN([#include <stdio.h>
717 # include <sys/types.h>
725 # include <sys/stat.h>
741 # include <termios.h>
752 #if defined(HAVE_GL_GL_H)
754 #elif defined(HAVE_OPENGL_GL_H)
755 # include <OpenGL/gl.h>
758 #if defined(HAVE_AL_ALC_H)
760 #elif defined(HAVE_OPENAL_ALC_H)
761 # include <OpenAL/alc.h>
764 #if HAVE_SYS_RESOURCE_H
765 # include <sys/resource.h>
771 FILE *f=fopen("conftestval", "w");
773 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
775 ((testing)(-1) < (testing)0) ? "Int" : "Word",
779 (sizeof(testing) > sizeof(double)) ? "LDouble" :
780 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
784 }],AC_CV_NAME=`cat conftestval`,
785 ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], AC_CV_NAME=$2),
786 ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], AC_CV_NAME=$3))]) dnl
787 CPPFLAGS="$fp_check_htype_save_cppflags"
788 if test "$AC_CV_NAME_supported" = yes; then
789 AC_MSG_RESULT($AC_CV_NAME)
790 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
792 AC_MSG_RESULT([not supported])
794 undefine([AC_TYPE_NAME])dnl
795 undefine([AC_CV_NAME])dnl
796 undefine([AC_CV_NAME_supported])dnl
800 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
801 # ---------------------------------------------------------------------------------
802 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
803 # additional flexibility of specifying the PROLOGUE and BODY.
804 AC_DEFUN([FP_CHECK_FUNC],
805 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
806 AC_CACHE_CHECK([for $1], fp_func,
807 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
808 [AS_VAR_SET(fp_func, yes)],
809 [AS_VAR_SET(fp_func, no)])])
810 AS_IF([test AS_VAR_GET(fp_func) = yes],
811 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
812 [Define to 1 if you have the `]$1[' function.]) $4],
814 AS_VAR_POPDEF([fp_func])dnl
820 # Generates a DocBook XML V4.2 document in conftest.xml.
821 AC_DEFUN([FP_GEN_DOCBOOK_XML],
823 cat > conftest.xml << EOF
824 <?xml version="1.0" encoding="iso-8859-1"?>
825 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
826 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
828 <title>A DocBook Test Document</title>
829 <chapter id="id-one">
830 <title>A Chapter Title</title>
831 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
833 <chapter id="id-two">
834 <title>Another Chapter Title</title>
835 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
839 ]) # FP_GEN_DOCBOOK_XML
844 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
845 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
846 AC_DEFUN([FP_PROG_XSLTPROC],
847 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
848 if test -z "$XsltprocCmd"; then
849 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
854 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
855 # ----------------------------
856 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
857 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
858 # will be empty if none could be found.
859 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
860 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
861 if test -n "$XsltprocCmd"; then
862 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
864 fp_cv_dir_docbook_xsl=no
866 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
867 fp_cv_dir_docbook_xsl=$fp_var
873 if test x"$fp_cv_dir_docbook_xsl" = xno; then
874 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
877 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
879 AC_SUBST([DIR_DOCBOOK_XSL])
880 ])# FP_DIR_DOCBOOK_XSL
885 # Sets the output variable XmllintCmd to the full path of the XSLT processor
886 # xmllint. XmllintCmd is empty if xmllint could not be found.
887 AC_DEFUN([FP_PROG_XMLLINT],
888 [AC_PATH_PROG([XmllintCmd], [xmllint])
889 if test -z "$XmllintCmd"; then
890 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
895 # FP_CHECK_DOCBOOK_DTD
896 # --------------------
897 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
898 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
899 if test -n "$XmllintCmd"; then
900 AC_MSG_CHECKING([for DocBook DTD])
902 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
905 AC_MSG_RESULT([failed])
906 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
907 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
911 ])# FP_CHECK_DOCBOOK_DTD
914 # FP_PROG_FO_PROCESSOR
915 # --------------------
916 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
917 # try FOP first. Furthermore, /usr/bin/fop is broken in SuSE 9.1, so try the
918 # "real" fop.sh first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd,
920 AC_DEFUN([FP_PROG_FO_PROCESSOR],
921 [AC_PATH_PROGS([FopCmd], [fop.sh fop], [], [$PATH:/usr/share/fop])
922 AC_PATH_PROG([XmltexCmd], [xmltex])
923 AC_PATH_PROG([DvipsCmd], [dvips])
924 if test -z "$FopCmd"; then
925 if test -z "$XmltexCmd"; then
926 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
928 if test -z "$DvipsCmd"; then
929 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
932 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
933 if test -z "$PdfxmltexCmd"; then
934 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
936 elif test -z "$XmltexCmd"; then
937 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
939 ])# FP_PROG_FO_PROCESSOR
944 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
945 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
946 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
947 AC_DEFUN([FP_PROG_GHC_PKG],
948 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
949 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
950 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
951 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
953 fp_cv_matching_ghc_pkg=no
955 if test x"$fp_cv_matching_ghc_pkg" = xno; then
956 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
958 GhcPkgCmd=$fp_cv_matching_ghc_pkg
959 fi])# FP_PROG_GHC_PKG
964 # If Windows is the target platform (e.g. MinGW/MSYS or Cygwin with
965 # -mno-cygwin), the variable "is_win32" is set to "yes", otherwise (e.g. *nix
966 # systems or plain Cygwin) it is set to "no".
967 AC_DEFUN([FP_CHECK_WIN32],
968 [AC_CACHE_CHECK([for Windows environment], [fp_cv_is_win32],
969 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
973 ])], [fp_cv_is_win32=yes], [fp_cv_is_win32=no])])
974 is_win32="$fp_cv_is_win32"[]dnl
980 # Same as AC_PATH_X, but works even for broken Cygwins which try to include the
981 # non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
982 AC_DEFUN([FP_PATH_X],
983 [AC_REQUIRE([FP_CHECK_WIN32])
984 if test x"$is_win32" = xyes; then
994 # Same as AC_PATH_XTRA, but works even for broken Cygwins which try to include
995 # the non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
996 AC_DEFUN([FP_PATH_XTRA],
997 [AC_REQUIRE([FP_CHECK_WIN32])
998 if test x"$is_win32" = xyes; then
1006 # FP_CHECK_GL_HELPER(LIBNAME, LIBS, INCLUDES, FUNCTION-BODY)
1007 # ----------------------------------------------------------
1008 # Try each library in LIBS to successfully link INCLUDES plus FUNCTION-BODY,
1009 # setting LIBNAME_CFLAGS and LIBNAME_LIBS to the corresponding values. Sets
1010 # no_LIBNAME to "yes" if no suitable library was found. (LIBNAME_CFLAGS0
1011 # contains the value of LIBNAME_CFLAGS without CPPFLAGS, and LIBNAME_LIBS0
1012 # contains the value of LIBNAME_LIBS without LDFLAGS, but these are only
1014 AC_DEFUN([FP_CHECK_GL_HELPER],
1015 [AC_CACHE_CHECK([for $1 library], [fp_cv_check_$1_lib],
1016 [fp_cv_check_$1_lib="no"
1017 fp_save_CPPFLAGS="$CPPFLAGS"
1018 CPPFLAGS="$CPPFLAGS ${$1_CFLAGS}"
1019 fp_save_LIBS="$LIBS"
1020 for fp_try_lib in $2; do
1021 # transform "-lfoo" to "foo.lib" when using cl
1022 if test x"$CC" = xcl; then
1023 fp_try_lib=`echo $fp_try_lib | sed -e 's/^-l//' -e 's/$/.lib/'`
1025 LIBS="$fp_try_lib ${$1_LIBS} $fp_save_LIBS"
1026 AC_TRY_LINK([$3], [$4], [fp_cv_check_$1_lib="$fp_try_lib ${$1_LIBS}"; break])
1028 LIBS="$fp_save_LIBS"
1029 CPPFLAGS="$fp_save_CPPFLAGS"])
1031 if test x"$fp_cv_check_$1_lib" = xno; then
1036 $1_CFLAGS0="${$1_CFLAGS}"
1037 $1_CFLAGS="$CPPFLAGS ${$1_CFLAGS0}"
1038 $1_LIBS0="$fp_cv_check_$1_lib"
1039 $1_LIBS="$LDFLAGS ${$1_LIBS0}"
1041 ])# FP_CHECK_GL_HELPER
1046 AC_DEFUN([FP_CHECK_GL],
1047 [AC_REQUIRE([FP_PATH_X])
1048 AC_REQUIRE([AC_CANONICAL_SYSTEM])
1050 AC_ARG_ENABLE([hopengl],
1051 [AC_HELP_STRING([--enable-hopengl],
1052 [build a Haskell binding for OpenGL (GL/GLU). On Mac OS X, use
1053 --enable-hopengl=x11 to use X11 instead of the "native" libraries.
1055 [enable_opengl=$enableval], [enable_opengl=no])
1057 if test x"$enable_opengl" = xno; then
1060 use_quartz_opengl=no
1063 if test x"$enable_opengl" != xx11; then
1064 AC_DEFINE([USE_QUARTZ_OPENGL], [1],
1065 [Define to 1 if native OpenGL should be used on Mac OS X])
1066 use_quartz_opengl=yes
1071 if test x"$use_quartz_opengl" != xyes; then
1072 AC_CHECK_LIB([m], [atan], [GL_LIBS="-lm $GL_LIBS"])
1074 if test x"$no_x" != xyes; then
1075 test -n "$x_includes" && GL_CFLAGS="-I$x_includes $GL_CFLAGS"
1076 test -n "$x_libraries" && GL_LIBS="-L$x_libraries -lX11 $GL_LIBS"
1079 FP_CHECK_GL_HELPER([GL], [-lGL -lopengl32], [@%:@include <GL/gl.h>], [glEnd()])
1081 if test x"$no_GL" != xyes; then
1082 # Ugly: To get wglGetProcAddress on Windows, we have to link with
1083 # opengl32.dll, too, even when we are using Cygwin with X11.
1085 *-lopengl32*|*opengl32.lib*) ;;
1086 *) fp_save_LIBS="$LIBS"
1087 LIBS="$LIBS -lopengl32"
1088 AC_TRY_LINK([@%:@include <GL/gl.h>], [glEnd()],
1089 [GL_LIBS="$GL_LIBS -lopengl32"; GL_LIBS0="$GL_LIBS0 -lopengl32"])
1090 LIBS="$fp_save_LIBS"
1097 AC_SUBST([GL_CFLAGS])
1104 AC_DEFUN([FP_CHECK_GLU],
1105 [AC_REQUIRE([FP_CHECK_GL])dnl
1106 GLU_CFLAGS="$GL_CFLAGS0"
1107 GLU_LIBS="$GL_LIBS0"
1109 if test x"$enable_opengl" = xno; then
1111 elif test x"$use_quartz_opengl" != xyes; then
1112 FP_CHECK_GL_HELPER([GLU], [-lglu32 -lGLU], [@%:@include <GL/glu.h>], [gluNewQuadric()])
1115 AC_SUBST([GLU_CFLAGS])
1116 AC_SUBST([GLU_LIBS])
1122 AC_DEFUN([FP_CHECK_GLUT],
1123 [AC_REQUIRE([FP_CHECK_GLU])
1126 if test x"$enable_opengl" = xno; then
1128 elif test x"$use_quartz_opengl" != xyes; then
1129 GLUT_CFLAGS="$GLU_CFLAGS0"
1130 GLUT_LIBS="$GLU_LIBS0"
1132 if test x"$no_x" != xyes; then
1133 GLUT_LIBS="$X_PRE_LIBS -lXmu -lXi $X_EXTRA_LIBS $GLUT_LIBS"
1136 AC_CHECK_HEADERS([windows.h GL/glut.h])
1137 # Note 1: On Cygwin with X11, GL/GLU functions use the "normal" calling
1138 # convention, but GLUT functions use stdcall. To get this right, it is
1139 # necessary to include <windows.h> first.
1140 # Note 2: MinGW/MSYS comes without a GLUT header, so we use Cygwin's one in
1142 FP_CHECK_GL_HELPER([GLUT], [-lglut32 -lglut], [
1144 #include <windows.h>
1147 #include <GL/glut.h>
1149 #include "glut_local.h"
1151 ], [glutMainLoop()])
1154 AC_SUBST([GLUT_CFLAGS])
1155 AC_SUBST([GLUT_LIBS])
1159 dnl @synopsis FP_EMPTY_STRUCTS
1161 dnl Check whether empty structs is accepted by CC.
1163 AC_DEFUN(FP_EMPTY_STRUCTS,
1164 [AC_CACHE_CHECK(empty struct support, fptools_cv_empty_structs,
1166 typedef struct { /*empty*/ } StgFoo;
1169 fptools_cv_empty_structs=yes,
1170 fptools_cv_empty_structs=no)])
1171 if test "$fptools_cv_empty_structs" = yes; then
1172 AC_DEFINE([SUPPORTS_EMPTY_STRUCTS], [1], [Define to 1 if C compiler supports declaration of empty structure types.])