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 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
8 # ----------------------------------
9 # Little endian Arm on Linux with some ABIs has big endian word order
10 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
11 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
12 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
15 [#include <endian.h>],
16 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
19 not float word order big endian
22 [fptools_cv_float_word_order_bigendian=yes],
23 [fptools_cv_float_word_order_bigendian=no])
25 case $fptools_cv_float_word_order_bigendian in
27 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
28 [Define to 1 if your processor stores words of floats with
29 the most significant byte first]) ;;
34 # FP_EVAL_STDERR(COMMAND)
35 # -----------------------
36 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
37 # into the file conftest.err and the exit status in the variable fp_status.
38 AC_DEFUN([FP_EVAL_STDERR],
39 [{ (eval $1) 2>conftest.er1
41 grep -v '^ *+' conftest.er1 >conftest.err
43 (exit $fp_status); }[]dnl
47 # FP_CHECK_FLAG(FLAG, [ACTION-IF-SUPPORTED], [ACTION-IF-NOT-SUPPORTED])
48 # ---------------------------------------------------------------------
49 # Check to see whether the compiler for the current language supports a
52 # Implementation note: When given an unkown option, GCC issues an warning on
53 # stderr only, but returns an exit value of 0 nevertheless. Consequently we have
54 # to check stderr *and* the exit value.
57 AC_DEFUN([FP_CHECK_FLAG],
58 [AC_LANG_COMPILER_REQUIRE()dnl
59 AC_LANG_CASE([C], [fp_compiler="$CC" m4_pushdef([fp_Flags], [CFLAGS])],
60 [C++], [fp_compiler="$CXX" m4_pushdef([fp_Flags], [CXXFLAGS])],
61 [Fortran 77], [fp_compiler="$F77" m4_pushdef([fp_Flags], [FFLAGS])])
62 m4_pushdef([fp_Cache], [fp_cv_[]fp_Flags[]AS_TR_SH([$1])])[]dnl
63 AC_CACHE_CHECK([whether $fp_compiler accepts $1], [fp_Cache],
64 [AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
65 fp_save_flags="$fp_Flags"
66 fp_Flags="$fp_Flags $1"
68 if FP_EVAL_STDERR([$ac_compile conftest.$ac_ext]) >/dev/null; then
69 test -s conftest.err || fp_Cache=yes
71 fp_Flags="$fp_save_flags"
72 rm -f conftest.err conftest.$ac_ext])
73 AS_IF([test $fp_Cache = yes], [$2], [$3])[]dnl
74 m4_popdef([fp_Cache])[]dnl
75 m4_popdef([fp_Flags])[]dnl
79 # FP_PROG_CONTEXT_DIFF
80 # --------------------
81 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
83 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
85 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
86 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
87 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
91 for fp_var in '-C 1' '-c1'
93 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
94 fp_cv_context_diff="diff $fp_var"
98 if test x"$fp_cv_context_diff" = xno; then
99 AC_MSG_ERROR([cannot figure out how to do context diffs])
101 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
102 ])# FP_PROG_CONTEXT_DIFF
105 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
106 # --------------------------------------------------------
107 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
108 # compilation. Execute IF-FAILS when unable to determine the value. Works for
109 # cross-compilation, too.
111 # Implementation note: We are lazy and use an internal autoconf macro, but it
112 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
114 AC_DEFUN([FP_COMPUTE_INT],
115 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
119 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
120 # ------------------------------------------------------------------
121 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
122 # given type. Defines ALIGNMENT_TYPE.
123 AC_DEFUN([FP_CHECK_ALIGNMENT],
124 [AS_LITERAL_IF([$1], [],
125 [AC_FATAL([$0: requires literal arguments])])[]dnl
126 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
127 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
128 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
129 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
130 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
132 [AC_INCLUDES_DEFAULT([$3])],
133 [AC_MSG_ERROR([cannot compute alignment ($1)
134 See `config.log' for more details.], [77])])
138 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
139 m4_popdef([fp_Cache])[]dnl
140 ])# FP_CHECK_ALIGNMENT
143 # FP_LEADING_UNDERSCORE
144 # ---------------------
145 # Test for determining whether symbol names have a leading underscore. We assume
146 # that they _haven't_ if anything goes wrong. Sets the output variable
147 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
149 # Some nlist implementations seem to try to be compatible by ignoring a leading
150 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
151 # checking for *no* leading underscore first. Sigh. --SDM
153 # Similarly on OpenBSD, but this test doesn't help. -- dons
154 AC_DEFUN([FP_LEADING_UNDERSCORE],
155 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
156 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
157 # Hack!: nlist() under Digital UNIX insist on there being an _,
158 # but symbol table listings shows none. What is going on here?!?
160 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
161 # the underscoredness of that "platform"
162 case $HostPlatform in
163 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
165 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
166 *) fptools_cv_leading_underscore=no ;;
168 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
169 *cygwin32) fptools_cv_leading_underscore=yes;;
170 *mingw32) fptools_cv_leading_underscore=yes;;
172 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
173 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
175 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
177 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
178 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
186 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
188 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
192 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
195 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
196 if test x"$fptools_cv_leading_underscore" = xyes; then
197 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
198 fi])# FP_LEADING_UNDERSCORE
201 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
202 # ----------------------------------------------------------------------------------
203 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
204 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
205 AC_DEFUN([FP_COMPARE_VERSIONS],
206 [fp_version1=$1; fp_version2=$3
207 fp_save_IFS=$IFS; IFS='.'
208 while test x"$fp_version1" != x || test x"$fp_version2" != x
211 set dummy $fp_version1; shift
213 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
214 test x"$fp_num1" = x && fp_num1="0"
217 set dummy $fp_version2; shift
219 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
220 test x"$fp_num2" = x && fp_num2="0"
223 test "$fp_num1" = "$fp_num2" || break;
226 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
227 ])# FP_COMPARE_VERSIONS
231 dnl Check for GreenCard and version.
233 AC_DEFUN([FPTOOLS_GREENCARD],
235 AC_PATH_PROG(GreenCardCmd,greencard)
236 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
238 [if test x"$GreenCardCmd" != x; then
239 fptools_cv_greencard_version="`$GreenCardCmd --version |
240 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
242 fptools_cv_greencard_version=""
246 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
247 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
248 GreenCardVersion=$fptools_cv_greencard_version
249 AC_SUBST(GreenCardVersion)
253 dnl Check for Happy and version. If we're building GHC, then we need
254 dnl at least Happy version 1.14. If there's no installed Happy, we look
255 dnl for a happy source tree and point the build system at that instead.
257 AC_DEFUN([FPTOOLS_HAPPY],
258 [AC_PATH_PROG(HappyCmd,happy,)
259 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
261 [if test x"$HappyCmd" != x; then
262 fptools_cv_happy_version="`$HappyCmd -v |
263 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
265 fptools_cv_happy_version="";
269 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/main/ParsePkgConf.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
271 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
272 [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl
274 HappyVersion=$fptools_cv_happy_version;
275 AC_SUBST(HappyVersion)
279 dnl Check for Haddock and version. If there's no installed Haddock, we look
280 dnl for a haddock source tree and point the build system at that instead.
282 AC_DEFUN([FPTOOLS_HADDOCK],
283 [AC_PATH_PROG(HaddockCmd,haddock,)
284 dnl Darn, I forgot to make Haddock print out its version number when
285 dnl invoked with -v. We could try generating some HTML and grepping
286 dnl through that to find the version number, but I think we'll make
287 dnl do without it for now.
291 dnl Check for Alex and version. If we're building GHC, then we need
292 dnl at least Alex version 2.0.1.
294 AC_DEFUN([FPTOOLS_ALEX],
296 AC_PATH_PROG(AlexCmd,alex,)
297 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
299 [if test x"$AlexCmd" != x; then
300 fptools_cv_alex_version="`$AlexCmd -v |
301 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
303 fptools_cv_alex_version="";
307 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
309 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0.1],
310 [AC_MSG_ERROR([Alex version 2.0.1 or later is required to compile GHC.])])[]dnl
312 AlexVersion=$fptools_cv_alex_version;
313 AC_SUBST(AlexVersion)
319 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
320 # of ld. Exits if no ld can be found
321 AC_DEFUN([FP_PROG_LD],
322 [AC_PATH_PROG([fp_prog_ld_raw], [ld])
323 if test -z "$fp_prog_ld_raw"; then
324 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
326 LdCmd=$fp_prog_ld_raw
327 case $HostPlatform in
328 *mingw32) if test x${OSTYPE} != xmsys; then
329 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
330 AC_MSG_NOTICE([normalized ld command to $LdCmd])
332 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
333 # the generation of relocatable object files with large amounts
334 # of relocations correctly. (cf. HSbase.o splittage-hack)
335 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
336 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
337 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
346 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
347 # variable's value is empty.
348 AC_DEFUN([FP_PROG_LD_X],
349 [AC_REQUIRE([FP_PROG_LD])
350 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
351 [echo 'foo() {}' > conftest.c
352 ${CC-cc} -c conftest.c
353 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
359 if test "$fp_cv_ld_x" = yes; then
370 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
372 AC_DEFUN([FP_PROG_LD_IS_GNU],
373 [AC_REQUIRE([FP_PROG_LD])
374 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
375 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
380 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
381 ])# FP_PROG_LD_IS_GNU
386 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
387 # version of it. Exits if no ar can be found
388 AC_DEFUN([FP_PROG_AR],
389 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
390 if test -z "$fp_prog_ar_raw"; then
391 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
393 fp_prog_ar=$fp_prog_ar_raw
394 case $HostPlatform in
395 *mingw32) if test x${OSTYPE} != xmsys; then
396 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
397 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
406 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
407 AC_DEFUN([FP_PROG_AR_IS_GNU],
408 [AC_REQUIRE([FP_PROG_AR])
409 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
410 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
411 fp_cv_prog_ar_is_gnu=yes
413 fp_cv_prog_ar_is_gnu=no
415 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
416 ])# FP_PROG_AR_IS_GNU
421 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
422 # to a non-Cygwin invocation of ar including these arguments.
423 AC_DEFUN([FP_PROG_AR_ARGS],
424 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
425 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
427 # GNU ar needs special treatment: it appears to have problems with
428 # object files with the same name if you use the 's' modifier, but
429 # simple 'ar q' works fine, and doesn't need a separate ranlib.
430 if test $fp_prog_ar_is_gnu = yes; then
431 fp_cv_prog_ar_args="q"
434 for fp_var in clqsZ clqs cqs clq cq ; do
436 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
437 fp_cv_prog_ar_args=$fp_var
442 if test -z "$fp_cv_prog_ar_args"; then
443 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
446 fp_prog_ar_args=$fp_cv_prog_ar_args
447 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
452 # FP_PROG_AR_NEEDS_RANLIB
453 # -----------------------
454 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
456 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
457 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
458 AC_REQUIRE([FP_PROG_AR_ARGS])
459 AC_REQUIRE([AC_PROG_CC])
460 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
461 [if test $fp_prog_ar_is_gnu = yes; then
462 fp_cv_prog_ar_needs_ranlib=no
463 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
464 # It's quite tedious to check for Apple's crazy timestamps in .a files,
466 fp_cv_prog_ar_needs_ranlib=yes
467 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
468 fp_cv_prog_ar_needs_ranlib=no
470 fp_cv_prog_ar_needs_ranlib=yes
472 if test $fp_cv_prog_ar_needs_ranlib = yes; then
478 ])# FP_PROG_AR_NEEDS_RANLIB
481 # FP_PROG_AR_SUPPORTS_INPUT
482 # -------------------------
483 # Sets the output variable ArSupportsInput to "-input" or "", depending on
484 # whether ar supports -input flag is supported or not.
485 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
486 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
487 AC_REQUIRE([FP_PROG_AR_ARGS])
488 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
489 [fp_cv_prog_ar_supports_input=no
490 if test $fp_prog_ar_is_gnu = no; then
493 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
494 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
498 if test $fp_cv_prog_ar_supports_input = yes; then
499 ArSupportsInput="-input"
503 AC_SUBST([ArSupportsInput])
504 ])# FP_PROG_AR_SUPPORTS_INPUT
508 dnl AC_SHEBANG_PERL - can we she-bang perl?
510 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
511 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
516 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
517 if test $? -ne 69; then
518 fptools_cv_shebang_perl=yes
520 fptools_cv_shebang_perl=no
528 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
529 # output variables HaveGcc and GccVersion.
530 AC_DEFUN([FP_HAVE_GCC],
531 [AC_REQUIRE([AC_PROG_CC])
532 if test -z "$GCC"; then
537 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
538 AC_MSG_ERROR([gcc is required])
540 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
541 [if test "$fp_have_gcc" = "YES"; then
542 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
543 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
544 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
546 fp_gcc_version="not-installed"
549 AC_SUBST([HaveGcc], [$fp_have_gcc])
550 AC_SUBST([GccVersion], [$fp_gcc_version])
553 AC_DEFUN([FP_MINGW_GCC],
556 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
557 if $CC -v 2>&1 | grep mingw >/dev/null; then
561 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
567 dnl Small feature test for perl version. Assumes PerlCmd
568 dnl contains path to perl binary
570 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
571 [$PerlCmd -v >conftest.out 2>&1
572 if grep "v5.6" conftest.out >/dev/null 2>&1; then
575 if grep "v5.8" conftest.out >/dev/null 2>&1; then
578 if grep "version 6" conftest.out >/dev/null 2>&1; then
581 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
589 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
590 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
591 # -----------------------------------------------------
592 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
593 # of PROG-TO-CHECK-FOR when found.
594 AC_DEFUN([FP_CHECK_PROG],
595 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
601 # Find a non-WinDoze version of the "find" utility.
602 AC_DEFUN([FP_PROG_FIND],
603 [AC_PATH_PROG([fp_prog_find], [find])
604 echo foo > conftest.txt
605 $fp_prog_find conftest.txt -print > conftest.out 2>&1
606 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
607 # OK, looks like a real "find".
608 FindCmd="$fp_prog_find"
610 # Found a poor WinDoze version of "find", ignore it.
611 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
612 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
614 rm -f conftest.txt conftest.out
615 AC_SUBST([FindCmd])[]dnl
621 # Find a Unix-like sort
622 AC_DEFUN([FP_PROG_SORT],
623 [AC_PATH_PROG([fp_prog_sort], [sort])
624 echo conwip > conftest.txt
625 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
626 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
628 SortCmd="$fp_prog_sort"
630 # Summink else..pick next one.
631 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
632 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
634 rm -f conftest.txt conftest.out
635 AC_SUBST([SortCmd])[]dnl
639 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
640 dnl values of the second argument to the result of running
641 dnl the commands given by the third. It does not cache its
642 dnl result, so it is suitable for checks which should be
645 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
646 [AC_MSG_CHECKING([$1])
648 AC_MSG_RESULT([$][$2])
652 dnl FPTOOLS_GHC_VERSION(version)
653 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
654 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
656 dnl Test for version of installed ghc. Uses $GHC.
657 dnl [original version pinched from c2hs]
659 AC_DEFUN([FPTOOLS_GHC_VERSION],
660 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
661 ["${WithGhc-ghc}" --version > conftestghc 2>&1
662 cat conftestghc >&AS_MESSAGE_LOG_FD
663 #Useless Use Of cat award...
664 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
666 if test "[$]fptools_version_of_ghc" = ""
668 fptools_version_of_ghc='unknown'
670 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
671 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
672 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
674 if test "[$]fptools_version_of_ghc[_pl]" = ""
676 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
677 fptools_version_of_ghc[_pl]="0"
679 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
683 [$1]="[$]fptools_version_of_ghc[_all]"
685 [$1]="[$]fptools_version_of_ghc[_major]"
686 [$2]="[$]fptools_version_of_ghc[_minor]"
688 [$1]="[$]fptools_version_of_ghc[_major]"
689 [$2]="[$]fptools_version_of_ghc[_minor]"
690 [$3]="[$]fptools_version_of_ghc[_pl]"
692 [$1]="[$]fptools_version_of_ghc[_all]"
693 [$2]="[$]fptools_version_of_ghc[_major]"
694 [$3]="[$]fptools_version_of_ghc[_minor]"
695 [$4]="[$]fptools_version_of_ghc[_pl]"
701 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
702 # ---------------------------------------------------------------------------------
703 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
704 # additional flexibility of specifying the PROLOGUE and BODY.
705 AC_DEFUN([FP_CHECK_FUNC],
706 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
707 AC_CACHE_CHECK([for $1], fp_func,
708 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
709 [AS_VAR_SET(fp_func, yes)],
710 [AS_VAR_SET(fp_func, no)])])
711 AS_IF([test AS_VAR_GET(fp_func) = yes],
712 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
713 [Define to 1 if you have the `]$1[' function.]) $4],
715 AS_VAR_POPDEF([fp_func])dnl
721 # Generates a DocBook XML V4.2 document in conftest.xml.
722 AC_DEFUN([FP_GEN_DOCBOOK_XML],
724 cat > conftest.xml << EOF
725 <?xml version="1.0" encoding="iso-8859-1"?>
726 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
727 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
729 <title>A DocBook Test Document</title>
730 <chapter id="id-one">
731 <title>A Chapter Title</title>
732 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
734 <chapter id="id-two">
735 <title>Another Chapter Title</title>
736 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
740 ]) # FP_GEN_DOCBOOK_XML
745 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
746 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
747 AC_DEFUN([FP_PROG_XSLTPROC],
748 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
749 if test -z "$XsltprocCmd"; then
750 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
755 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
756 # ----------------------------
757 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
758 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
759 # will be empty if none could be found.
760 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
761 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
762 if test -n "$XsltprocCmd"; then
763 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
765 fp_cv_dir_docbook_xsl=no
767 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
768 fp_cv_dir_docbook_xsl=$fp_var
774 if test x"$fp_cv_dir_docbook_xsl" = xno; then
775 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
778 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
780 AC_SUBST([DIR_DOCBOOK_XSL])
781 ])# FP_DIR_DOCBOOK_XSL
786 # Sets the output variable XmllintCmd to the full path of the XSLT processor
787 # xmllint. XmllintCmd is empty if xmllint could not be found.
788 AC_DEFUN([FP_PROG_XMLLINT],
789 [AC_PATH_PROG([XmllintCmd], [xmllint])
790 if test -z "$XmllintCmd"; then
791 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
796 # FP_CHECK_DOCBOOK_DTD
797 # --------------------
798 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
799 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
800 if test -n "$XmllintCmd"; then
801 AC_MSG_CHECKING([for DocBook DTD])
803 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
806 AC_MSG_RESULT([failed])
807 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
808 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
812 ])# FP_CHECK_DOCBOOK_DTD
817 # Generates a formatting objects document in conftest.fo.
818 AC_DEFUN([FP_GEN_FO],
820 cat > conftest.fo << EOF
821 <?xml version="1.0"?>
822 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
823 <fo:layout-master-set>
824 <fo:simple-page-master master-name="blank">
826 </fo:simple-page-master>
827 </fo:layout-master-set>
828 <fo:page-sequence master-reference="blank">
829 <fo:flow flow-name="xsl-region-body">
842 # Set the output variable 'FopCmd' to the first working 'fop' in the current
843 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
844 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
845 AC_DEFUN([FP_PROG_FOP],
846 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
847 if test -n "$FopCmd1"; then
848 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
850 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
851 fp_cv_fop_usability=yes
853 fp_cv_fop_usability=no
856 if test x"$fp_cv_fop_usability" = xyes; then
860 if test -z "$FopCmd"; then
861 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
868 # FP_PROG_FO_PROCESSOR
869 # --------------------
870 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
871 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
873 AC_DEFUN([FP_PROG_FO_PROCESSOR],
874 [AC_REQUIRE([FP_PROG_FOP])
875 AC_PATH_PROG([XmltexCmd], [xmltex])
876 AC_PATH_PROG([DvipsCmd], [dvips])
877 if test -z "$FopCmd"; then
878 if test -z "$XmltexCmd"; then
879 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
881 if test -z "$DvipsCmd"; then
882 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
885 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
886 if test -z "$PdfxmltexCmd"; then
887 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
889 elif test -z "$XmltexCmd"; then
890 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
892 ])# FP_PROG_FO_PROCESSOR
897 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
898 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
899 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
900 AC_DEFUN([FP_PROG_GHC_PKG],
901 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
902 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
903 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
904 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
906 fp_cv_matching_ghc_pkg=no
908 if test x"$fp_cv_matching_ghc_pkg" = xno; then
909 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
911 GhcPkgCmd=$fp_cv_matching_ghc_pkg
912 fi])# FP_PROG_GHC_PKG
915 # FP_GHC_HAS_READLINE
916 # -------------------
917 AC_DEFUN([FP_GHC_HAS_READLINE],
918 [AC_REQUIRE([FP_PROG_GHC_PKG])
919 AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline],
920 [if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
921 fp_cv_ghc_has_readline=yes
923 fp_cv_ghc_has_readline=no
925 AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
926 ])# FP_GHC_HAS_READLINE
929 # FP_GCC_NEEDS_NO_OMIT_LFPTR
930 # --------------------------
931 # Some OSs (Mandrake Linux, in particular) configure GCC with
932 # -momit-leaf-frame-pointer on by default. If this is the case, we need to turn
933 # it off for mangling to work. The test is currently a bit crude, using only the
934 # version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR.
935 AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR],
936 [AC_REQUIRE([FP_HAVE_GCC])
937 AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr],
938 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
939 [fp_cv_gcc_needs_no_omit_lfptr=yes],
940 [fp_cv_gcc_needs_no_omit_lfptr=no])])
941 if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then
942 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
943 fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR
945 # FP_GCC_HAS_NO_UNIT_AT_A_TIME
946 # --------------------------
947 AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME],
948 [AC_REQUIRE([FP_HAVE_GCC])
949 AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time],
950 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
951 [fp_cv_gcc_has_no_unit_at_a_time=yes],
952 [fp_cv_gcc_has_no_unit_at_a_time=no])])
953 if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then
954 AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.])
958 # --------------------------
959 AC_DEFUN([FP_GCC_HAS_WRAPV],
960 [AC_REQUIRE([FP_HAVE_GCC])
961 AC_CACHE_CHECK([whether gcc has -fwrapv], [fp_cv_gcc_has_wrapv],
962 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
963 [fp_cv_gcc_has_wrapv=yes],
964 [fp_cv_gcc_has_wrapv=no])])
965 if test "$fp_cv_gcc_has_wrapv" = "yes"; then
966 AC_DEFINE([HAVE_GCC_HAS_WRAPV], [1], [Define to 1 if gcc supports -fwrapv.])
969 # FP_SETUP_PROJECT_VERSION
970 # ---------------------
971 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
973 if test "$RELEASE" = "NO"; then
974 AC_MSG_CHECKING([for GHC version date])
975 if test -d _darcs; then
977 ver_date=`darcs changes --quiet --no-summary --xml | head -500 | grep 'date=' | sed "s/^.*date='\([0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\).*$/\1/g" | sort -n | tail -1`
978 if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
980 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
982 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
983 AC_MSG_RESULT($PACKAGE_VERSION)
984 elif test -f VERSION; then
985 PACKAGE_VERSION=`cat VERSION`
986 AC_MSG_RESULT($PACKAGE_VERSION)
988 AC_MSG_WARN([cannot determine snapshot version: no _darcs directory and no VERSION file])
993 AC_SUBST([ProjectName], [$PACKAGE_NAME])
994 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
996 # Split PACKAGE_VERSION into (possibly empty) parts
997 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
998 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
999 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1000 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1002 # Calculate project version as an integer, using 2 digits for minor version
1003 case $VERSION_MINOR in
1004 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1005 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1006 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1008 AC_SUBST([ProjectVersionInt])
1010 # The project patchlevel is zero unless stated otherwise
1011 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1013 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1014 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1016 AC_SUBST([ProjectPatchLevel])
1017 ])# FP_SETUP_PROJECT_VERSION
1019 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1020 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1021 [fptools_cv_timer_create_works],
1026 #ifdef HAVE_SIGNAL_H
1029 #ifdef HAVE_UNISTD_H
1032 int main(int argc, char *argv[])
1034 #if HAVE_TIMER_CREATE && HAVE_TIMER_SETTIME
1037 ev.sigev_notify = SIGEV_SIGNAL;
1038 ev.sigev_signo = SIGVTALRM;
1039 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1048 [fptools_cv_timer_create_works=yes],
1049 [fptools_cv_timer_create_works=no])
1051 case $fptools_cv_timer_create_works in
1052 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1053 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1059 AC_DEFUN([FP_ARG_GMP],
1061 AC_ARG_WITH([gmp-includes],
1062 [AC_HELP_STRING([--with-gmp-includes],
1063 [directory containing gmp.h])],
1064 [gmp_includes=$withval],
1065 [gmp_includes=NONE])
1067 AC_ARG_WITH([gmp-libraries],
1068 [AC_HELP_STRING([--with-gmp-libraries],
1069 [directory containing gmp library])],
1070 [gmp_libraries=$withval],
1071 [gmp_libraries=NONE])
1074 AC_DEFUN([CHECK_GMP],
1075 [AC_REQUIRE([AC_PROG_CPP])
1076 AC_REQUIRE([AC_PROG_CC])