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 1.14. 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" -a -e $srcdir/happy/mk/version.mk; 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],[1.14],
322 [AC_MSG_ERROR([Happy version 1.14 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
410 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
411 # version of it. Exits if no ar can be found
412 AC_DEFUN([FP_PROG_AR],
413 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
414 if test -z "$fp_prog_ar_raw"; then
415 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
417 fp_prog_ar=$fp_prog_ar_raw
418 case $HostPlatform in
419 *mingw32) if test x${OSTYPE} != xmsys; then
420 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
421 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
430 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
431 AC_DEFUN([FP_PROG_AR_IS_GNU],
432 [AC_REQUIRE([FP_PROG_AR])
433 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
434 [if $fp_prog_ar_raw --version | grep "GNU" > /dev/null 2> /dev/null; then
435 fp_cv_prog_ar_is_gnu=yes
437 fp_cv_prog_ar_is_gnu=no
439 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
440 ])# FP_PROG_AR_IS_GNU
445 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
446 # to a non-Cygwin invocation of ar including these arguments.
447 AC_DEFUN([FP_PROG_AR_ARGS],
448 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
449 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
451 # GNU ar needs special treatment: it appears to have problems with
452 # object files with the same name if you use the 's' modifier, but
453 # simple 'ar q' works fine, and doesn't need a separate ranlib.
454 if test $fp_prog_ar_is_gnu = yes; then
455 fp_cv_prog_ar_args="q"
458 for fp_var in clqsZ clqs cqs clq cq ; do
460 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
461 fp_cv_prog_ar_args=$fp_var
466 if test -z "$fp_cv_prog_ar_args"; then
467 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
470 fp_prog_ar_args=$fp_cv_prog_ar_args
471 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
476 # FP_PROG_AR_NEEDS_RANLIB
477 # -----------------------
478 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
480 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
481 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
482 AC_REQUIRE([FP_PROG_AR_ARGS])
483 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
484 [if test $fp_prog_ar_is_gnu = yes; then
485 fp_cv_prog_ar_needs_ranlib=no
486 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
487 fp_cv_prog_ar_needs_ranlib=no
489 fp_cv_prog_ar_needs_ranlib=yes
491 if test $fp_cv_prog_ar_needs_ranlib = yes; then
497 ])# FP_PROG_AR_NEEDS_RANLIB
500 # FP_PROG_AR_SUPPORTS_INPUT
501 # -------------------------
502 # Sets the output variable ArSupportsInput to "-input" or "", depending on
503 # whether ar supports -input flag is supported or not.
504 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
505 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
506 AC_REQUIRE([FP_PROG_AR_ARGS])
507 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
508 [fp_cv_prog_ar_supports_input=no
509 if test $fp_prog_ar_is_gnu = no; then
512 if $fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst > /dev/null 2> /dev/null; then
513 fp_cv_prog_ar_supports_input=yes
517 if test $fp_cv_prog_ar_supports_input = yes; then
518 ArSupportsInput="-input"
522 AC_SUBST([ArSupportsInput])
523 ])# FP_PROG_AR_SUPPORTS_INPUT
527 dnl AC_SHEBANG_PERL - can we she-bang perl?
529 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
530 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
535 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
536 if test $? -ne 69; then
537 fptools_cv_shebang_perl=yes
539 fptools_cv_shebang_perl=no
545 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
546 dnl *Must* be called after AC_PROG_CC
548 AC_DEFUN(FPTOOLS_HAVE_GCC,
549 [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
550 [if test -z "$GCC"; then
552 echo "You would be better off with gcc"
553 echo "Perhaps it is already installed, but not in your PATH?"
554 fptools_cv_have_gcc='no'
557 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' `"
559 fptools_cv_have_gcc='yes'
560 FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
561 [fptools_cv_have_gcc='no'
563 echo "your gcc version appears to be ..."
565 echo "gcc prior to 2.0 and have never worked with ghc."
566 echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
567 AC_MSG_ERROR([gcc 1.X has never been supported])])
570 HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
572 GccVersion=`gcc --version | grep mingw | cut -f 3 -d ' '`
577 dnl Some OSs (Mandrake Linux, in particular) configure GCC with
578 dnl -momit-leaf-frame-pointer on by default. If this is the case, we
579 dnl need to turn it off for mangling to work. The test is currently a bit
580 dnl crude, using only the version number of gcc.
582 AC_DEFUN([FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR],
583 [AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fptools_cv_gcc_needs_no_omit_lfptr],
584 [FP_COMPARE_VERSIONS([$gcc_version_str], [-ge], [3.2],
585 [fptools_cv_gcc_needs_no_omit_lfptr=yes],
586 [fptools_cv_gcc_needs_no_omit_lfptr=no])])
587 if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
588 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
589 fi])# FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
592 dnl Small feature test for perl version. Assumes PerlCmd
593 dnl contains path to perl binary
595 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
596 [$PerlCmd -v >conftest.out 2>&1
597 if grep "version 5" conftest.out >/dev/null 2>&1; then
600 if grep "v5.6" conftest.out >/dev/null 2>&1; then
603 if grep "v5.8" conftest.out >/dev/null 2>&1; then
606 if grep "version 6" conftest.out >/dev/null 2>&1; then
609 echo "Your version of perl probably won't work."
618 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
619 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
620 # -----------------------------------------------------
621 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
622 # of PROG-TO-CHECK-FOR when found.
623 AC_DEFUN([FP_CHECK_PROG],
624 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
630 # Find a non-WinDoze version of the "find" utility.
631 AC_DEFUN([FP_PROG_FIND],
632 [AC_PATH_PROG([fp_prog_find], [find])
633 echo foo > conftest.txt
634 $fp_prog_find conftest.txt -print > conftest.out 2>&1
635 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
636 # OK, looks like a real "find".
637 FindCmd="$fp_prog_find"
639 # Found a poor WinDoze version of "find", ignore it.
640 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
641 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
643 rm -f conftest.txt conftest.out
644 AC_SUBST([FindCmd])[]dnl
649 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
650 dnl values of the second argument to the result of running
651 dnl the commands given by the third. It does not cache its
652 dnl result, so it is suitable for checks which should be
655 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
656 [AC_MSG_CHECKING([$1])
658 AC_MSG_RESULT([$][$2])
662 dnl FPTOOLS_GHC_VERSION(version)
663 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
664 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
666 dnl Test for version of installed ghc. Uses $GHC.
667 dnl [original version pinched from c2hs]
669 AC_DEFUN(FPTOOLS_GHC_VERSION,
670 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
671 ["${WithGhc-ghc}" --version > conftestghc 2>&1
672 cat conftestghc >&AC_FD_CC
673 #Useless Use Of cat award...
674 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
676 if test "[$]fptools_version_of_ghc" = ""
678 fptools_version_of_ghc='unknown'
680 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
681 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
682 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
684 if test "[$]fptools_version_of_ghc[_pl]" = ""
686 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
687 fptools_version_of_ghc[_pl]="0"
689 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
693 [$1]="[$]fptools_version_of_ghc[_all]"
695 [$1]="[$]fptools_version_of_ghc[_major]"
696 [$2]="[$]fptools_version_of_ghc[_minor]"
698 [$1]="[$]fptools_version_of_ghc[_major]"
699 [$2]="[$]fptools_version_of_ghc[_minor]"
700 [$3]="[$]fptools_version_of_ghc[_pl]"
702 [$1]="[$]fptools_version_of_ghc[_all]"
703 [$2]="[$]fptools_version_of_ghc[_major]"
704 [$3]="[$]fptools_version_of_ghc[_minor]"
705 [$4]="[$]fptools_version_of_ghc[_pl]"
711 dnl ** Map an arithmetic C type to a Haskell type.
712 dnl Based on autconf's AC_CHECK_SIZEOF.
714 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
715 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
716 [changequote(<<, >>)dnl
717 dnl The name to #define.
718 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
719 dnl The cache variable name.
720 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
721 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
723 AC_MSG_CHECKING(Haskell type for $1)
724 AC_CACHE_VAL(AC_CV_NAME,
725 [AC_CV_NAME_supported=yes
726 fp_check_htype_save_cppflags="$CPPFLAGS"
727 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
728 AC_TRY_RUN([#include <stdio.h>
732 # include <sys/types.h>
740 # include <sys/stat.h>
756 # include <termios.h>
767 #if defined(HAVE_GL_GL_H)
769 #elif defined(HAVE_OPENGL_GL_H)
770 # include <OpenGL/gl.h>
773 #if defined(HAVE_AL_ALC_H)
775 #elif defined(HAVE_OPENAL_ALC_H)
776 # include <OpenAL/alc.h>
779 #if HAVE_SYS_RESOURCE_H
780 # include <sys/resource.h>
786 FILE *f=fopen("conftestval", "w");
788 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
790 ((testing)(-1) < (testing)0) ? "Int" : "Word",
794 (sizeof(testing) > sizeof(double)) ? "LDouble" :
795 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
799 }],AC_CV_NAME=`cat conftestval`,
800 ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], AC_CV_NAME=$2),
801 ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], AC_CV_NAME=$3))]) dnl
802 CPPFLAGS="$fp_check_htype_save_cppflags"
803 if test "$AC_CV_NAME_supported" = yes; then
804 AC_MSG_RESULT($AC_CV_NAME)
805 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
807 AC_MSG_RESULT([not supported])
809 undefine([AC_TYPE_NAME])dnl
810 undefine([AC_CV_NAME])dnl
811 undefine([AC_CV_NAME_supported])dnl
815 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
816 # ---------------------------------------------------------------------------------
817 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
818 # additional flexibility of specifying the PROLOGUE and BODY.
819 AC_DEFUN([FP_CHECK_FUNC],
820 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
821 AC_CACHE_CHECK([for $1], fp_func,
822 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
823 [AS_VAR_SET(fp_func, yes)],
824 [AS_VAR_SET(fp_func, no)])])
825 AS_IF([test AS_VAR_GET(fp_func) = yes],
826 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
827 [Define to 1 if you have the `]$1[' function.]) $4],
829 AS_VAR_POPDEF([fp_func])dnl
833 dnl ** Check which CATALOG file we have to use with DocBook SGML.
835 dnl FPTOOLS_DOCBOOK_CATALOG(VARIABLE, JADE, STYLESHEET, CATALOGS-TO-CHECK-FOR)
837 dnl If any of the catalogs given in CATALOGS-TO-CHECK-FOR works on this
838 dnl platform, let VARIABLE refer to this catalog; otherwise, VARIABLE
839 dnl is set to "no". JADE is the jade executable and STYLESHEET
840 dnl a DocBook style sheet.
842 AC_DEFUN(FPTOOLS_DOCBOOK_CATALOG,
843 [AC_CACHE_CHECK([for DocBook CATALOG], fptools_cv_sgml_catalog,
845 cat > conftest.sgml << EOF
846 <!DOCTYPE Article PUBLIC "-//OASIS//DTD DocBook V3.1//EN">
850 <Author><OtherName>Test</OtherName></Author>
851 <Address>Test</Address>
852 <PubDate>Test</PubDate>
854 <Sect1><Title>Test</Title>
861 fptools_cv_sgml_catalog=no
862 if test -z "$SGML_CATALOG_FILES" ; then
863 for fptools_catalog in $4; do
864 ac_try="$2 -t rtf -d $3#print -c $fptools_catalog conftest.sgml"
865 if AC_TRY_EVAL(ac_try); then
866 fptools_cv_sgml_catalog=[$]fptools_catalog
871 # If the env var SGML_CATALOG_FILES is defined, assume things are cool.
872 fptools_cv_sgml_catalog="yes"
876 if test $fptools_cv_sgml_catalog != "no"; then
877 $1=$fptools_cv_sgml_catalog
884 # If Windows is the target platform (e.g. MinGW/MSYS or Cygwin with
885 # -mno-cygwin), the variable "is_win32" is set to "yes", otherwise (e.g. *nix
886 # systems or plain Cygwin) it is set to "no".
887 AC_DEFUN([FP_CHECK_WIN32],
888 [AC_CACHE_CHECK([for Windows environment], [fp_cv_is_win32],
889 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
893 ])], [fp_cv_is_win32=yes], [fp_cv_is_win32=no])])
894 is_win32="$fp_cv_is_win32"[]dnl
900 # Same as AC_PATH_X, but works even for broken Cygwins which try to include the
901 # non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
902 AC_DEFUN([FP_PATH_X],
903 [AC_REQUIRE([FP_CHECK_WIN32])
904 if test x"$is_win32" = xyes; then
914 # Same as AC_PATH_XTRA, but works even for broken Cygwins which try to include
915 # the non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
916 AC_DEFUN([FP_PATH_XTRA],
917 [AC_REQUIRE([FP_CHECK_WIN32])
918 if test x"$is_win32" = xyes; then
926 # FP_CHECK_GL_HELPER(LIBNAME, LIBS, INCLUDES, FUNCTION-BODY)
927 # ----------------------------------------------------------
928 # Try each library in LIBS to successfully link INCLUDES plus FUNCTION-BODY,
929 # setting LIBNAME_CFLAGS and LIBNAME_LIBS to the corresponding values. Sets
930 # no_LIBNAME to "yes" if no suitable library was found. (LIBNAME_CFLAGS0
931 # contains the value of LIBNAME_CFLAGS without CPPFLAGS, and LIBNAME_LIBS0
932 # contains the value of LIBNAME_LIBS without LDFLAGS, but these are only
934 AC_DEFUN([FP_CHECK_GL_HELPER],
935 [AC_CACHE_CHECK([for $1 library], [fp_cv_check_$1_lib],
936 [fp_cv_check_$1_lib="no"
937 fp_save_CPPFLAGS="$CPPFLAGS"
938 CPPFLAGS="$CPPFLAGS ${$1_CFLAGS}"
940 for fp_try_lib in $2; do
941 # transform "-lfoo" to "foo.lib" when using cl
942 if test x"$CC" = xcl; then
943 fp_try_lib=`echo $fp_try_lib | sed -e 's/^-l//' -e 's/$/.lib/'`
945 LIBS="$fp_try_lib ${$1_LIBS} $fp_save_LIBS"
946 AC_TRY_LINK([$3], [$4], [fp_cv_check_$1_lib="$fp_try_lib ${$1_LIBS}"; break])
949 CPPFLAGS="$fp_save_CPPFLAGS"])
951 if test x"$fp_cv_check_$1_lib" = xno; then
956 $1_CFLAGS0="${$1_CFLAGS}"
957 $1_CFLAGS="$CPPFLAGS ${$1_CFLAGS0}"
958 $1_LIBS0="$fp_cv_check_$1_lib"
959 $1_LIBS="$LDFLAGS ${$1_LIBS0}"
961 ])# FP_CHECK_GL_HELPER
966 AC_DEFUN([FP_CHECK_GL],
967 [AC_REQUIRE([FP_PATH_X])
968 AC_REQUIRE([AC_CANONICAL_SYSTEM])
970 AC_ARG_ENABLE([hopengl],
971 [AC_HELP_STRING([--enable-hopengl],
972 [build a Haskell binding for OpenGL (GL/GLU). On Mac OS X, use
973 --enable-hopengl=x11 to use X11 instead of the "native" libraries.
975 [enable_opengl=$enableval], [enable_opengl=no])
977 if test x"$enable_opengl" = xno; then
983 if test x"$enable_opengl" != xx11; then
984 AC_DEFINE([USE_QUARTZ_OPENGL], [1],
985 [Define to 1 if native OpenGL should be used on Mac OS X])
986 use_quartz_opengl=yes
991 if test x"$use_quartz_opengl" != xyes; then
992 AC_CHECK_LIB([m], [atan], [GL_LIBS="-lm $GL_LIBS"])
994 if test x"$no_x" != xyes; then
995 test -n "$x_includes" && GL_CFLAGS="-I$x_includes $GL_CFLAGS"
996 test -n "$x_libraries" && GL_LIBS="-L$x_libraries -lX11 $GL_LIBS"
999 FP_CHECK_GL_HELPER([GL], [-lGL -lopengl32], [@%:@include <GL/gl.h>], [glEnd()])
1001 if test x"$no_GL" != xyes; then
1002 # Ugly: To get wglGetProcAddress on Windows, we have to link with
1003 # opengl32.dll, too, even when we are using Cygwin with X11.
1005 *-lopengl32*|*opengl32.lib*) ;;
1006 *) fp_save_LIBS="$LIBS"
1007 LIBS="$LIBS -lopengl32"
1008 AC_TRY_LINK([@%:@include <GL/gl.h>], [glEnd()],
1009 [GL_LIBS="$GL_LIBS -lopengl32"; GL_LIBS0="$GL_LIBS0 -lopengl32"])
1010 LIBS="$fp_save_LIBS"
1017 AC_SUBST([GL_CFLAGS])
1024 AC_DEFUN([FP_CHECK_GLU],
1025 [AC_REQUIRE([FP_CHECK_GL])dnl
1026 GLU_CFLAGS="$GL_CFLAGS0"
1027 GLU_LIBS="$GL_LIBS0"
1029 if test x"$enable_opengl" = xno; then
1031 elif test x"$use_quartz_opengl" != xyes; then
1032 FP_CHECK_GL_HELPER([GLU], [-lglu32 -lGLU], [@%:@include <GL/glu.h>], [gluNewQuadric()])
1035 AC_SUBST([GLU_CFLAGS])
1036 AC_SUBST([GLU_LIBS])
1042 AC_DEFUN([FP_CHECK_GLUT],
1043 [AC_REQUIRE([FP_CHECK_GLU])
1046 if test x"$enable_opengl" = xno; then
1048 elif test x"$use_quartz_opengl" != xyes; then
1049 GLUT_CFLAGS="$GLU_CFLAGS0"
1050 GLUT_LIBS="$GLU_LIBS0"
1052 if test x"$no_x" != xyes; then
1053 GLUT_LIBS="$X_PRE_LIBS -lXmu -lXi $X_EXTRA_LIBS $GLUT_LIBS"
1056 AC_CHECK_HEADERS([windows.h GL/glut.h])
1057 # Note 1: On Cygwin with X11, GL/GLU functions use the "normal" calling
1058 # convention, but GLUT functions use stdcall. To get this right, it is
1059 # necessary to include <windows.h> first.
1060 # Note 2: MinGW/MSYS comes without a GLUT header, so we use Cygwin's one in
1062 FP_CHECK_GL_HELPER([GLUT], [-lglut32 -lglut], [
1064 #include <windows.h>
1067 #include <GL/glut.h>
1069 #include "glut_local.h"
1071 ], [glutMainLoop()])
1074 AC_SUBST([GLUT_CFLAGS])
1075 AC_SUBST([GLUT_LIBS])
1079 dnl @synopsis FP_EMPTY_STRUCTS
1081 dnl Check whether empty structs is accepted by CC.
1083 AC_DEFUN(FP_EMPTY_STRUCTS,
1084 [AC_CACHE_CHECK(empty struct support, fptools_cv_empty_structs,
1086 typedef struct { /*empty*/ } StgFoo;
1089 fptools_cv_empty_structs=yes,
1090 fptools_cv_empty_structs=no)])
1091 if test "$fptools_cv_empty_structs" = yes; then
1092 AC_DEFINE([SUPPORTS_EMPTY_STRUCTS], [1], [Define to 1 if C compiler supports declaration of empty structure types.])