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 *) AC_TRY_RUN([#ifdef HAVE_NLIST_H
204 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
205 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
211 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
213 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
217 }], [fptools_cv_leading_underscore=yes], [fptools_cv_leading_underscore=no], [fptools_cv_leading_underscore=no])
220 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
221 if test x"$fptools_cv_leading_underscore" = xyes; then
222 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
223 fi])# FP_LEADING_UNDERSCORE
226 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
227 # ----------------------------------------------------------------------------------
228 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
229 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
230 AC_DEFUN([FP_COMPARE_VERSIONS],
231 [fp_version1=$1; fp_version2=$3
232 fp_save_IFS=$IFS; IFS='.'
233 while test x"$fp_version1" != x || test x"$fp_version2" != x
236 set dummy $fp_version1; shift
238 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
239 test x"$fp_num1" = x && fp_num1="0"
242 set dummy $fp_version2; shift
244 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
245 test x"$fp_num2" = x && fp_num2="0"
248 test "$fp_num1" = "$fp_num2" || break;
251 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
252 ])# FP_COMPARE_VERSIONS
256 dnl Check for GreenCard and version.
258 AC_DEFUN(FPTOOLS_GREENCARD,
260 AC_PATH_PROG(GreenCardCmd,greencard)
261 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
263 [if test x"$GreenCardCmd" != x; then
264 fptools_cv_greencard_version="`$GreenCardCmd --version |
265 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
267 fptools_cv_greencard_version=""
271 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
272 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
273 GreenCardVersion=$fptools_cv_greencard_version
274 AC_SUBST(GreenCardVersion)
278 dnl Check for Happy and version. If we're building GHC, then we need
279 dnl at least Happy version 1.14. If there's no installed Happy, we look
280 dnl for a happy source tree and point the build system at that instead.
282 AC_DEFUN(FPTOOLS_HAPPY,
284 if test -d $srcdir/happy; then
285 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
287 if test x"$UseSrcTreeHappy" = xYES; then
288 HappyCmd=$SrcTreeHappyCmd
290 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
292 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
294 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd" -a -e $srcdir/happy/mk/version.mk; then
295 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
296 elif test x"$HappyCmd" != x; then
297 fptools_cv_happy_version="`$HappyCmd -v |
298 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
300 fptools_cv_happy_version="";
304 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
305 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.14],
306 [AC_MSG_ERROR([Happy version 1.14 or later is required to compile GHC.])])[]dnl
308 HappyVersion=$fptools_cv_happy_version;
309 AC_SUBST(HappyVersion)
313 dnl Check for Haddock and version. If there's no installed Haddock, we look
314 dnl for a haddock source tree and point the build system at that instead.
316 AC_DEFUN(FPTOOLS_HADDOCK,
318 if test -d $srcdir/haddock; then
319 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
321 if test x"$UseSrcTreeHaddock" = xYES; then
322 HaddockCmd=$SrcTreeHaddockCmd
324 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
326 dnl Darn, I forgot to make Haddock print out its version number when
327 dnl invoked with -v. We could try generating some HTML and grepping
328 dnl through that to find the version number, but I think we'll make
329 dnl do without it for now.
333 dnl Check for Alex and version. If we're building GHC, then we need
334 dnl at least Alex version 2.0. If there's no installed Alex, we look
335 dnl for a alex source tree and point the build system at that instead.
337 AC_DEFUN(FPTOOLS_ALEX,
339 if test -d $srcdir/alex; then
340 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
342 if test x"$UseSrcTreeAlex" = xYES; then
343 AlexCmd=$SrcTreeAlexCmd
345 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
347 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
349 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
350 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
351 elif test x"$AlexCmd" != x; then
352 fptools_cv_alex_version="`$AlexCmd -v |
353 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
355 fptools_cv_alex_version="";
359 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
360 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
361 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
363 AlexVersion=$fptools_cv_alex_version;
364 AC_SUBST(AlexVersion)
369 dnl Check whether ld supports -x
371 AC_DEFUN(FPTOOLS_LD_X,
372 [AC_CACHE_CHECK([whether ld understands -x], fptools_cv_ld_x,
374 echo 'foo() {}' > conftest.c
375 ${CC-cc} -c conftest.c
376 if ${LdCmd} -r -x -o foo.o conftest.o; then
381 rm -rf conftest.c conftest.o foo.o
383 if test "$fptools_cv_ld_x" = yes; then
394 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
395 # version of it. Exits if no ar can be found
396 AC_DEFUN([FP_PROG_AR],
397 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
398 if test -z "$fp_prog_ar_raw"; then
399 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
401 fp_prog_ar=$fp_prog_ar_raw
402 case $HostPlatform in
403 *mingw32) if test x${OSTYPE} != xmsys; then
404 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
405 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
414 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
415 AC_DEFUN([FP_PROG_AR_IS_GNU],
416 [AC_REQUIRE([FP_PROG_AR])
417 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
418 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
419 fp_cv_prog_ar_is_gnu=yes
421 fp_cv_prog_ar_is_gnu=no
423 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
424 ])# FP_PROG_AR_IS_GNU
429 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
430 # to a non-Cygwin invocation of ar including these arguments.
431 AC_DEFUN([FP_PROG_AR_ARGS],
432 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
433 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
435 # GNU ar needs special treatment: it appears to have problems with
436 # object files with the same name if you use the 's' modifier, but
437 # simple 'ar q' works fine, and doesn't need a separate ranlib.
438 if test $fp_prog_ar_is_gnu = yes; then
439 fp_cv_prog_ar_args="q"
442 for fp_var in clqsZ clqs cqs clq cq ; do
444 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
445 fp_cv_prog_ar_args=$fp_var
450 if test -z "$fp_cv_prog_ar_args"; then
451 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
454 fp_prog_ar_args=$fp_cv_prog_ar_args
455 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
460 # FP_PROG_AR_NEEDS_RANLIB
461 # -----------------------
462 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
464 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
465 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
466 AC_REQUIRE([FP_PROG_AR_ARGS])
467 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
468 [if test $fp_prog_ar_is_gnu = yes; then
469 fp_cv_prog_ar_needs_ranlib=no
470 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
471 fp_cv_prog_ar_needs_ranlib=no
473 fp_cv_prog_ar_needs_ranlib=yes
475 if test $fp_cv_prog_ar_needs_ranlib = yes; then
481 ])# FP_PROG_AR_NEEDS_RANLIB
484 # FP_PROG_AR_SUPPORTS_INPUT
485 # -------------------------
486 # Sets the output variable ArSupportsInput to "-input" or "", depending on
487 # whether ar supports -input flag is supported or not.
488 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
489 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
490 AC_REQUIRE([FP_PROG_AR_ARGS])
491 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
492 [fp_cv_prog_ar_supports_input=no
493 if test $fp_prog_ar_is_gnu = no; then
496 if $fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst > /dev/null 2> /dev/null; then
497 fp_cv_prog_ar_supports_input=yes
501 if test $fp_cv_prog_ar_supports_input = yes; then
502 ArSupportsInput="-input"
506 AC_SUBST([ArSupportsInput])
507 ])# FP_PROG_AR_SUPPORTS_INPUT
511 dnl AC_SHEBANG_PERL - can we she-bang perl?
513 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
514 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
519 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
520 if test $? -ne 69; then
521 fptools_cv_shebang_perl=yes
523 fptools_cv_shebang_perl=no
529 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
530 dnl *Must* be called after AC_PROG_CC
532 AC_DEFUN(FPTOOLS_HAVE_GCC,
533 [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
534 [if test -z "$GCC"; then
536 echo "You would be better off with gcc"
537 echo "Perhaps it is already installed, but not in your PATH?"
538 fptools_cv_have_gcc='no'
541 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' `"
543 fptools_cv_have_gcc='yes'
544 FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
545 [fptools_cv_have_gcc='no'
547 echo "your gcc version appears to be ..."
549 echo "gcc prior to 2.0 and have never worked with ghc."
550 echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
551 AC_MSG_ERROR([gcc 1.X has never been supported])])
554 HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
556 GccVersion=`gcc --version | grep mingw | cut -f 3 -d ' '`
561 dnl Some OSs (Mandrake Linux, in particular) configure GCC with
562 dnl -momit-leaf-frame-pointer on by default. If this is the case, we
563 dnl need to turn it off for mangling to work. The test is currently a bit
564 dnl crude, using only the version number of gcc.
566 AC_DEFUN([FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR],
567 [AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fptools_cv_gcc_needs_no_omit_lfptr],
568 [FP_COMPARE_VERSIONS([$gcc_version_str], [-ge], [3.2],
569 [fptools_cv_gcc_needs_no_omit_lfptr=yes],
570 [fptools_cv_gcc_needs_no_omit_lfptr=no])])
571 if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
572 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
573 fi])# FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
576 dnl Small feature test for perl version. Assumes PerlCmd
577 dnl contains path to perl binary
579 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
580 [$PerlCmd -v >conftest.out 2>&1
581 if grep "version 5" conftest.out >/dev/null 2>&1; then
584 if grep "v5.6" conftest.out >/dev/null 2>&1; then
587 if grep "v5.8" conftest.out >/dev/null 2>&1; then
590 if grep "version 6" conftest.out >/dev/null 2>&1; then
593 echo "Your version of perl probably won't work."
602 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
603 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
604 # -----------------------------------------------------
605 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
606 # of PROG-TO-CHECK-FOR when found.
607 AC_DEFUN([FP_CHECK_PROG],
608 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
614 # Find a non-WinDoze version of the "find" utility.
615 AC_DEFUN([FP_PROG_FIND],
616 [AC_PATH_PROG([fp_prog_find], [find])
617 echo foo > conftest.txt
618 $fp_prog_find conftest.txt -print > conftest.out 2>&1
619 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
620 # OK, looks like a real "find".
621 FindCmd="$fp_prog_find"
623 # Found a poor WinDoze version of "find", ignore it.
624 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
625 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
627 rm -f conftest.txt conftest.out
628 AC_SUBST([FindCmd])[]dnl
633 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
634 dnl values of the second argument to the result of running
635 dnl the commands given by the third. It does not cache its
636 dnl result, so it is suitable for checks which should be
639 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
640 [AC_MSG_CHECKING([$1])
642 AC_MSG_RESULT([$][$2])
646 dnl FPTOOLS_GHC_VERSION(version)
647 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
648 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
650 dnl Test for version of installed ghc. Uses $GHC.
651 dnl [original version pinched from c2hs]
653 AC_DEFUN(FPTOOLS_GHC_VERSION,
654 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
655 ["${WithGhc-ghc}" --version > conftestghc 2>&1
656 cat conftestghc >&AC_FD_CC
657 #Useless Use Of cat award...
658 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
660 if test "[$]fptools_version_of_ghc" = ""
662 fptools_version_of_ghc='unknown'
664 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
665 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
666 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
668 if test "[$]fptools_version_of_ghc[_pl]" = ""
670 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
671 fptools_version_of_ghc[_pl]="0"
673 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
677 [$1]="[$]fptools_version_of_ghc[_all]"
679 [$1]="[$]fptools_version_of_ghc[_major]"
680 [$2]="[$]fptools_version_of_ghc[_minor]"
682 [$1]="[$]fptools_version_of_ghc[_major]"
683 [$2]="[$]fptools_version_of_ghc[_minor]"
684 [$3]="[$]fptools_version_of_ghc[_pl]"
686 [$1]="[$]fptools_version_of_ghc[_all]"
687 [$2]="[$]fptools_version_of_ghc[_major]"
688 [$3]="[$]fptools_version_of_ghc[_minor]"
689 [$4]="[$]fptools_version_of_ghc[_pl]"
695 dnl ** Map an arithmetic C type to a Haskell type.
696 dnl Based on autconf's AC_CHECK_SIZEOF.
698 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
699 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
700 [changequote(<<, >>)dnl
701 dnl The name to #define.
702 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
703 dnl The cache variable name.
704 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
705 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
707 AC_MSG_CHECKING(Haskell type for $1)
708 AC_CACHE_VAL(AC_CV_NAME,
709 [AC_CV_NAME_supported=yes
710 fp_check_htype_save_cppflags="$CPPFLAGS"
711 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
712 AC_TRY_RUN([#include <stdio.h>
716 # include <sys/types.h>
724 # include <sys/stat.h>
740 # include <termios.h>
751 #if defined(HAVE_GL_GL_H)
753 #elif defined(HAVE_OPENGL_GL_H)
754 # include <OpenGL/gl.h>
757 #if defined(HAVE_AL_ALC_H)
759 #elif defined(HAVE_OPENAL_ALC_H)
760 # include <OpenAL/alc.h>
763 #if HAVE_SYS_RESOURCE_H
764 # include <sys/resource.h>
770 FILE *f=fopen("conftestval", "w");
772 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
774 ((testing)(-1) < (testing)0) ? "Int" : "Word",
778 (sizeof(testing) > sizeof(double)) ? "LDouble" :
779 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
783 }],AC_CV_NAME=`cat conftestval`,
784 ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], AC_CV_NAME=$2),
785 ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], AC_CV_NAME=$3))]) dnl
786 CPPFLAGS="$fp_check_htype_save_cppflags"
787 if test "$AC_CV_NAME_supported" = yes; then
788 AC_MSG_RESULT($AC_CV_NAME)
789 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
791 AC_MSG_RESULT([not supported])
793 undefine([AC_TYPE_NAME])dnl
794 undefine([AC_CV_NAME])dnl
795 undefine([AC_CV_NAME_supported])dnl
799 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
800 # ---------------------------------------------------------------------------------
801 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
802 # additional flexibility of specifying the PROLOGUE and BODY.
803 AC_DEFUN([FP_CHECK_FUNC],
804 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
805 AC_CACHE_CHECK([for $1], fp_func,
806 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
807 [AS_VAR_SET(fp_func, yes)],
808 [AS_VAR_SET(fp_func, no)])])
809 AS_IF([test AS_VAR_GET(fp_func) = yes],
810 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
811 [Define to 1 if you have the `]$1[' function.]) $4],
813 AS_VAR_POPDEF([fp_func])dnl
819 # Generates a DocBook XML V4.2 document in conftest.xml.
820 AC_DEFUN([FP_GEN_DOCBOOK_XML],
822 cat > conftest.xml << EOF
823 <?xml version="1.0" encoding="iso-8859-1"?>
824 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
825 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
827 <title>A DocBook Test Document</title>
828 <chapter id="id-one">
829 <title>A Chapter Title</title>
830 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
832 <chapter id="id-two">
833 <title>Another Chapter Title</title>
834 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
838 ]) # FP_GEN_DOCBOOK_XML
843 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
844 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
845 AC_DEFUN([FP_PROG_XSLTPROC],
846 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
847 if test -z "$XsltprocCmd"; then
848 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
853 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
854 # ----------------------------
855 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
856 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
857 # will be empty if none could be found.
858 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
859 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
860 if test -n "$XsltprocCmd"; then
861 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
863 fp_cv_dir_docbook_xsl=no
865 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
866 fp_cv_dir_docbook_xsl=$fp_var
872 if test x"$fp_cv_dir_docbook_xsl" = xno; then
873 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
876 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
878 AC_SUBST([DIR_DOCBOOK_XSL])
879 ])# FP_DIR_DOCBOOK_XSL
884 # Sets the output variable XmllintCmd to the full path of the XSLT processor
885 # xmllint. XmllintCmd is empty if xmllint could not be found.
886 AC_DEFUN([FP_PROG_XMLLINT],
887 [AC_PATH_PROG([XmllintCmd], [xmllint])
888 if test -z "$XmllintCmd"; then
889 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
894 # FP_CHECK_DOCBOOK_DTD
895 # --------------------
896 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
897 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
898 if test -n "$XmllintCmd"; then
899 AC_MSG_CHECKING([for DocBook DTD])
901 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
904 AC_MSG_RESULT([failed])
905 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
906 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
910 ])# FP_CHECK_DOCBOOK_DTD
913 # FP_PROG_FO_PROCESSOR
914 # --------------------
915 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
916 # try FOP first. Furthermore, /usr/bin/fop is broken in SuSE 9.1, so try the
917 # "real" fop.sh first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd,
919 AC_DEFUN([FP_PROG_FO_PROCESSOR],
920 [AC_PATH_PROGS([FopCmd], [fop.sh fop], [], [$PATH:/usr/share/fop])
921 AC_PATH_PROG([XmltexCmd], [xmltex])
922 AC_PATH_PROG([DvipsCmd], [dvips])
923 if test -z "$FopCmd"; then
924 if test -z "$XmltexCmd"; then
925 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
927 if test -z "$DvipsCmd"; then
928 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
931 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
932 if test -z "$PdfxmltexCmd"; then
933 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
935 elif test -z "$XmltexCmd"; then
936 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
938 ])# FP_PROG_FO_PROCESSOR
943 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
944 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
945 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
946 AC_DEFUN([FP_PROG_GHC_PKG],
947 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
948 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
949 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
950 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
952 fp_cv_matching_ghc_pkg=no
954 if test x"$fp_cv_matching_ghc_pkg" = xno; then
955 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
957 GhcPkgCmd=$fp_cv_matching_ghc_pkg
958 fi])# FP_PROG_GHC_PKG
963 # If Windows is the target platform (e.g. MinGW/MSYS or Cygwin with
964 # -mno-cygwin), the variable "is_win32" is set to "yes", otherwise (e.g. *nix
965 # systems or plain Cygwin) it is set to "no".
966 AC_DEFUN([FP_CHECK_WIN32],
967 [AC_CACHE_CHECK([for Windows environment], [fp_cv_is_win32],
968 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
972 ])], [fp_cv_is_win32=yes], [fp_cv_is_win32=no])])
973 is_win32="$fp_cv_is_win32"[]dnl
979 # Same as AC_PATH_X, but works even for broken Cygwins which try to include the
980 # non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
981 AC_DEFUN([FP_PATH_X],
982 [AC_REQUIRE([FP_CHECK_WIN32])
983 if test x"$is_win32" = xyes; then
993 # Same as AC_PATH_XTRA, but works even for broken Cygwins which try to include
994 # the non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
995 AC_DEFUN([FP_PATH_XTRA],
996 [AC_REQUIRE([FP_CHECK_WIN32])
997 if test x"$is_win32" = xyes; then
1005 # FP_CHECK_GL_HELPER(LIBNAME, LIBS, INCLUDES, FUNCTION-BODY)
1006 # ----------------------------------------------------------
1007 # Try each library in LIBS to successfully link INCLUDES plus FUNCTION-BODY,
1008 # setting LIBNAME_CFLAGS and LIBNAME_LIBS to the corresponding values. Sets
1009 # no_LIBNAME to "yes" if no suitable library was found. (LIBNAME_CFLAGS0
1010 # contains the value of LIBNAME_CFLAGS without CPPFLAGS, and LIBNAME_LIBS0
1011 # contains the value of LIBNAME_LIBS without LDFLAGS, but these are only
1013 AC_DEFUN([FP_CHECK_GL_HELPER],
1014 [AC_CACHE_CHECK([for $1 library], [fp_cv_check_$1_lib],
1015 [fp_cv_check_$1_lib="no"
1016 fp_save_CPPFLAGS="$CPPFLAGS"
1017 CPPFLAGS="$CPPFLAGS ${$1_CFLAGS}"
1018 fp_save_LIBS="$LIBS"
1019 for fp_try_lib in $2; do
1020 # transform "-lfoo" to "foo.lib" when using cl
1021 if test x"$CC" = xcl; then
1022 fp_try_lib=`echo $fp_try_lib | sed -e 's/^-l//' -e 's/$/.lib/'`
1024 LIBS="$fp_try_lib ${$1_LIBS} $fp_save_LIBS"
1025 AC_TRY_LINK([$3], [$4], [fp_cv_check_$1_lib="$fp_try_lib ${$1_LIBS}"; break])
1027 LIBS="$fp_save_LIBS"
1028 CPPFLAGS="$fp_save_CPPFLAGS"])
1030 if test x"$fp_cv_check_$1_lib" = xno; then
1035 $1_CFLAGS0="${$1_CFLAGS}"
1036 $1_CFLAGS="$CPPFLAGS ${$1_CFLAGS0}"
1037 $1_LIBS0="$fp_cv_check_$1_lib"
1038 $1_LIBS="$LDFLAGS ${$1_LIBS0}"
1040 ])# FP_CHECK_GL_HELPER
1045 AC_DEFUN([FP_CHECK_GL],
1046 [AC_REQUIRE([FP_PATH_X])
1047 AC_REQUIRE([AC_CANONICAL_SYSTEM])
1049 AC_ARG_ENABLE([hopengl],
1050 [AC_HELP_STRING([--enable-hopengl],
1051 [build a Haskell binding for OpenGL (GL/GLU). On Mac OS X, use
1052 --enable-hopengl=x11 to use X11 instead of the "native" libraries.
1054 [enable_opengl=$enableval], [enable_opengl=no])
1056 if test x"$enable_opengl" = xno; then
1059 use_quartz_opengl=no
1062 if test x"$enable_opengl" != xx11; then
1063 AC_DEFINE([USE_QUARTZ_OPENGL], [1],
1064 [Define to 1 if native OpenGL should be used on Mac OS X])
1065 use_quartz_opengl=yes
1070 if test x"$use_quartz_opengl" != xyes; then
1071 AC_CHECK_LIB([m], [atan], [GL_LIBS="-lm $GL_LIBS"])
1073 if test x"$no_x" != xyes; then
1074 test -n "$x_includes" && GL_CFLAGS="-I$x_includes $GL_CFLAGS"
1075 test -n "$x_libraries" && GL_LIBS="-L$x_libraries -lX11 $GL_LIBS"
1078 FP_CHECK_GL_HELPER([GL], [-lGL -lopengl32], [@%:@include <GL/gl.h>], [glEnd()])
1080 if test x"$no_GL" != xyes; then
1081 # Ugly: To get wglGetProcAddress on Windows, we have to link with
1082 # opengl32.dll, too, even when we are using Cygwin with X11.
1084 *-lopengl32*|*opengl32.lib*) ;;
1085 *) fp_save_LIBS="$LIBS"
1086 LIBS="$LIBS -lopengl32"
1087 AC_TRY_LINK([@%:@include <GL/gl.h>], [glEnd()],
1088 [GL_LIBS="$GL_LIBS -lopengl32"; GL_LIBS0="$GL_LIBS0 -lopengl32"])
1089 LIBS="$fp_save_LIBS"
1096 AC_SUBST([GL_CFLAGS])
1103 AC_DEFUN([FP_CHECK_GLU],
1104 [AC_REQUIRE([FP_CHECK_GL])dnl
1105 GLU_CFLAGS="$GL_CFLAGS0"
1106 GLU_LIBS="$GL_LIBS0"
1108 if test x"$enable_opengl" = xno; then
1110 elif test x"$use_quartz_opengl" != xyes; then
1111 FP_CHECK_GL_HELPER([GLU], [-lglu32 -lGLU], [@%:@include <GL/glu.h>], [gluNewQuadric()])
1114 AC_SUBST([GLU_CFLAGS])
1115 AC_SUBST([GLU_LIBS])
1121 AC_DEFUN([FP_CHECK_GLUT],
1122 [AC_REQUIRE([FP_CHECK_GLU])
1125 if test x"$enable_opengl" = xno; then
1127 elif test x"$use_quartz_opengl" != xyes; then
1128 GLUT_CFLAGS="$GLU_CFLAGS0"
1129 GLUT_LIBS="$GLU_LIBS0"
1131 if test x"$no_x" != xyes; then
1132 GLUT_LIBS="$X_PRE_LIBS -lXmu -lXi $X_EXTRA_LIBS $GLUT_LIBS"
1135 AC_CHECK_HEADERS([windows.h GL/glut.h])
1136 # Note 1: On Cygwin with X11, GL/GLU functions use the "normal" calling
1137 # convention, but GLUT functions use stdcall. To get this right, it is
1138 # necessary to include <windows.h> first.
1139 # Note 2: MinGW/MSYS comes without a GLUT header, so we use Cygwin's one in
1141 FP_CHECK_GL_HELPER([GLUT], [-lglut32 -lglut], [
1143 #include <windows.h>
1146 #include <GL/glut.h>
1148 #include "glut_local.h"
1150 ], [glutMainLoop()])
1153 AC_SUBST([GLUT_CFLAGS])
1154 AC_SUBST([GLUT_LIBS])
1158 dnl @synopsis FP_EMPTY_STRUCTS
1160 dnl Check whether empty structs is accepted by CC.
1162 AC_DEFUN(FP_EMPTY_STRUCTS,
1163 [AC_CACHE_CHECK(empty struct support, fptools_cv_empty_structs,
1165 typedef struct { /*empty*/ } StgFoo;
1168 fptools_cv_empty_structs=yes,
1169 fptools_cv_empty_structs=no)])
1170 if test "$fptools_cv_empty_structs" = yes; then
1171 AC_DEFINE([SUPPORTS_EMPTY_STRUCTS], [1], [Define to 1 if C compiler supports declaration of empty structure types.])