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],
325 AC_PATH_PROG([fp_prog_ld_raw], [ld])
326 if test -z "$fp_prog_ld_raw"; then
327 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
329 LdCmd=$fp_prog_ld_raw
330 case $HostPlatform in
331 *mingw32) if test x${OSTYPE} != xmsys; then
332 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
333 AC_MSG_NOTICE([normalized ld command to $LdCmd])
335 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
336 # the generation of relocatable object files with large amounts
337 # of relocations correctly. (cf. HSbase.o splittage-hack)
338 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
339 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
340 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
352 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
353 # variable's value is empty.
354 AC_DEFUN([FP_PROG_LD_X],
355 [AC_REQUIRE([FP_PROG_LD])
356 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
357 [echo 'foo() {}' > conftest.c
358 ${CC-cc} -c conftest.c
359 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
365 if test "$fp_cv_ld_x" = yes; then
376 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
378 AC_DEFUN([FP_PROG_LD_IS_GNU],
379 [AC_REQUIRE([FP_PROG_LD])
380 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
381 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
386 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
387 ])# FP_PROG_LD_IS_GNU
392 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
393 # version of it. Exits if no ar can be found
394 AC_DEFUN([FP_PROG_AR],
395 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
396 if test -z "$fp_prog_ar_raw"; then
397 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
399 fp_prog_ar=$fp_prog_ar_raw
400 case $HostPlatform in
401 *mingw32) if test x${OSTYPE} != xmsys; then
402 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
403 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
412 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
413 AC_DEFUN([FP_PROG_AR_IS_GNU],
414 [AC_REQUIRE([FP_PROG_AR])
415 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
416 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
417 fp_cv_prog_ar_is_gnu=yes
419 fp_cv_prog_ar_is_gnu=no
421 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
422 ])# FP_PROG_AR_IS_GNU
427 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
428 # to a non-Cygwin invocation of ar including these arguments.
429 AC_DEFUN([FP_PROG_AR_ARGS],
430 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
431 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
433 # GNU ar needs special treatment: it appears to have problems with
434 # object files with the same name if you use the 's' modifier, but
435 # simple 'ar q' works fine, and doesn't need a separate ranlib.
436 if test $fp_prog_ar_is_gnu = yes; then
437 fp_cv_prog_ar_args="q"
440 for fp_var in clqsZ clqs cqs clq cq ; do
442 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
443 fp_cv_prog_ar_args=$fp_var
448 if test -z "$fp_cv_prog_ar_args"; then
449 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
452 fp_prog_ar_args=$fp_cv_prog_ar_args
453 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
458 # FP_PROG_AR_NEEDS_RANLIB
459 # -----------------------
460 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
462 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
463 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
464 AC_REQUIRE([FP_PROG_AR_ARGS])
465 AC_REQUIRE([AC_PROG_CC])
466 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
467 [if test $fp_prog_ar_is_gnu = yes; then
468 fp_cv_prog_ar_needs_ranlib=no
469 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
470 # It's quite tedious to check for Apple's crazy timestamps in .a files,
472 fp_cv_prog_ar_needs_ranlib=yes
473 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
474 fp_cv_prog_ar_needs_ranlib=no
476 fp_cv_prog_ar_needs_ranlib=yes
478 if test $fp_cv_prog_ar_needs_ranlib = yes; then
484 ])# FP_PROG_AR_NEEDS_RANLIB
487 # FP_PROG_AR_SUPPORTS_INPUT
488 # -------------------------
489 # Sets the output variable ArSupportsInput to "-input" or "", depending on
490 # whether ar supports -input flag is supported or not.
491 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
492 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
493 AC_REQUIRE([FP_PROG_AR_ARGS])
494 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
495 [fp_cv_prog_ar_supports_input=no
496 if test $fp_prog_ar_is_gnu = no; then
499 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
500 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
504 if test $fp_cv_prog_ar_supports_input = yes; then
505 ArSupportsInput="-input"
509 AC_SUBST([ArSupportsInput])
510 ])# FP_PROG_AR_SUPPORTS_INPUT
514 dnl AC_SHEBANG_PERL - can we she-bang perl?
516 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
517 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
522 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
523 if test $? -ne 69; then
524 fptools_cv_shebang_perl=yes
526 fptools_cv_shebang_perl=no
534 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
535 # output variables HaveGcc and GccVersion.
536 AC_DEFUN([FP_HAVE_GCC],
537 [AC_REQUIRE([AC_PROG_CC])
538 if test -z "$GCC"; then
543 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
544 AC_MSG_ERROR([gcc is required])
546 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
547 [if test "$fp_have_gcc" = "YES"; then
548 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
549 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
550 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
552 fp_gcc_version="not-installed"
555 AC_SUBST([HaveGcc], [$fp_have_gcc])
556 AC_SUBST([GccVersion], [$fp_gcc_version])
559 AC_DEFUN([FP_MINGW_GCC],
562 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
563 if $CC -v 2>&1 | grep mingw >/dev/null; then
567 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
573 dnl Small feature test for perl version. Assumes PerlCmd
574 dnl contains path to perl binary
576 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
577 [$PerlCmd -v >conftest.out 2>&1
578 if grep "v5.6" conftest.out >/dev/null 2>&1; then
581 if grep "v5.8" conftest.out >/dev/null 2>&1; then
584 if grep "version 6" conftest.out >/dev/null 2>&1; then
587 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
595 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
596 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
597 # -----------------------------------------------------
598 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
599 # of PROG-TO-CHECK-FOR when found.
600 AC_DEFUN([FP_CHECK_PROG],
601 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
607 # Find a non-WinDoze version of the "find" utility.
608 AC_DEFUN([FP_PROG_FIND],
609 [AC_PATH_PROG([fp_prog_find], [find])
610 echo foo > conftest.txt
611 $fp_prog_find conftest.txt -print > conftest.out 2>&1
612 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
613 # OK, looks like a real "find".
614 FindCmd="$fp_prog_find"
616 # Found a poor WinDoze version of "find", ignore it.
617 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
618 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
620 rm -f conftest.txt conftest.out
621 AC_SUBST([FindCmd])[]dnl
627 # Find a Unix-like sort
628 AC_DEFUN([FP_PROG_SORT],
629 [AC_PATH_PROG([fp_prog_sort], [sort])
630 echo conwip > conftest.txt
631 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
632 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
634 SortCmd="$fp_prog_sort"
636 # Summink else..pick next one.
637 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
638 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
640 rm -f conftest.txt conftest.out
641 AC_SUBST([SortCmd])[]dnl
645 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
646 dnl values of the second argument to the result of running
647 dnl the commands given by the third. It does not cache its
648 dnl result, so it is suitable for checks which should be
651 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
652 [AC_MSG_CHECKING([$1])
654 AC_MSG_RESULT([$][$2])
658 dnl FPTOOLS_GHC_VERSION(version)
659 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
660 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
662 dnl Test for version of installed ghc. Uses $GHC.
663 dnl [original version pinched from c2hs]
665 AC_DEFUN([FPTOOLS_GHC_VERSION],
666 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
667 ["${WithGhc-ghc}" --version > conftestghc 2>&1
668 cat conftestghc >&AS_MESSAGE_LOG_FD
669 #Useless Use Of cat award...
670 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
672 if test "[$]fptools_version_of_ghc" = ""
674 fptools_version_of_ghc='unknown'
676 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
677 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
678 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
680 if test "[$]fptools_version_of_ghc[_pl]" = ""
682 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
683 fptools_version_of_ghc[_pl]="0"
685 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
689 [$1]="[$]fptools_version_of_ghc[_all]"
691 [$1]="[$]fptools_version_of_ghc[_major]"
692 [$2]="[$]fptools_version_of_ghc[_minor]"
694 [$1]="[$]fptools_version_of_ghc[_major]"
695 [$2]="[$]fptools_version_of_ghc[_minor]"
696 [$3]="[$]fptools_version_of_ghc[_pl]"
698 [$1]="[$]fptools_version_of_ghc[_all]"
699 [$2]="[$]fptools_version_of_ghc[_major]"
700 [$3]="[$]fptools_version_of_ghc[_minor]"
701 [$4]="[$]fptools_version_of_ghc[_pl]"
707 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
708 # ---------------------------------------------------------------------------------
709 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
710 # additional flexibility of specifying the PROLOGUE and BODY.
711 AC_DEFUN([FP_CHECK_FUNC],
712 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
713 AC_CACHE_CHECK([for $1], fp_func,
714 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
715 [AS_VAR_SET(fp_func, yes)],
716 [AS_VAR_SET(fp_func, no)])])
717 AS_IF([test AS_VAR_GET(fp_func) = yes],
718 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
719 [Define to 1 if you have the `]$1[' function.]) $4],
721 AS_VAR_POPDEF([fp_func])dnl
727 # Generates a DocBook XML V4.2 document in conftest.xml.
728 AC_DEFUN([FP_GEN_DOCBOOK_XML],
730 cat > conftest.xml << EOF
731 <?xml version="1.0" encoding="iso-8859-1"?>
732 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
733 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
735 <title>A DocBook Test Document</title>
736 <chapter id="id-one">
737 <title>A Chapter Title</title>
738 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
740 <chapter id="id-two">
741 <title>Another Chapter Title</title>
742 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
746 ]) # FP_GEN_DOCBOOK_XML
751 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
752 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
753 AC_DEFUN([FP_PROG_XSLTPROC],
754 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
755 if test -z "$XsltprocCmd"; then
756 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
761 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
762 # ----------------------------
763 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
764 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
765 # will be empty if none could be found.
766 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
767 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
768 if test -n "$XsltprocCmd"; then
769 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
771 fp_cv_dir_docbook_xsl=no
773 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
774 fp_cv_dir_docbook_xsl=$fp_var
780 if test x"$fp_cv_dir_docbook_xsl" = xno; then
781 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
784 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
786 AC_SUBST([DIR_DOCBOOK_XSL])
787 ])# FP_DIR_DOCBOOK_XSL
792 # Sets the output variable XmllintCmd to the full path of the XSLT processor
793 # xmllint. XmllintCmd is empty if xmllint could not be found.
794 AC_DEFUN([FP_PROG_XMLLINT],
795 [AC_PATH_PROG([XmllintCmd], [xmllint])
796 if test -z "$XmllintCmd"; then
797 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
802 # FP_CHECK_DOCBOOK_DTD
803 # --------------------
804 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
805 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
806 if test -n "$XmllintCmd"; then
807 AC_MSG_CHECKING([for DocBook DTD])
809 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
812 AC_MSG_RESULT([failed])
813 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
814 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
818 ])# FP_CHECK_DOCBOOK_DTD
823 # Generates a formatting objects document in conftest.fo.
824 AC_DEFUN([FP_GEN_FO],
826 cat > conftest.fo << EOF
827 <?xml version="1.0"?>
828 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
829 <fo:layout-master-set>
830 <fo:simple-page-master master-name="blank">
832 </fo:simple-page-master>
833 </fo:layout-master-set>
834 <fo:page-sequence master-reference="blank">
835 <fo:flow flow-name="xsl-region-body">
848 # Set the output variable 'FopCmd' to the first working 'fop' in the current
849 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
850 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
851 AC_DEFUN([FP_PROG_FOP],
852 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
853 if test -n "$FopCmd1"; then
854 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
856 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
857 fp_cv_fop_usability=yes
859 fp_cv_fop_usability=no
862 if test x"$fp_cv_fop_usability" = xyes; then
866 if test -z "$FopCmd"; then
867 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
874 # FP_PROG_FO_PROCESSOR
875 # --------------------
876 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
877 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
879 AC_DEFUN([FP_PROG_FO_PROCESSOR],
880 [AC_REQUIRE([FP_PROG_FOP])
881 AC_PATH_PROG([XmltexCmd], [xmltex])
882 AC_PATH_PROG([DvipsCmd], [dvips])
883 if test -z "$FopCmd"; then
884 if test -z "$XmltexCmd"; then
885 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
887 if test -z "$DvipsCmd"; then
888 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
891 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
892 if test -z "$PdfxmltexCmd"; then
893 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
895 elif test -z "$XmltexCmd"; then
896 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
898 ])# FP_PROG_FO_PROCESSOR
903 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
904 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
905 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
906 AC_DEFUN([FP_PROG_GHC_PKG],
907 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
908 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
909 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
910 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
912 fp_cv_matching_ghc_pkg=no
914 if test x"$fp_cv_matching_ghc_pkg" = xno; then
915 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
917 GhcPkgCmd=$fp_cv_matching_ghc_pkg
918 fi])# FP_PROG_GHC_PKG
921 # FP_GHC_HAS_READLINE
922 # -------------------
923 AC_DEFUN([FP_GHC_HAS_READLINE],
924 [AC_REQUIRE([FP_PROG_GHC_PKG])
925 AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline],
926 [if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
927 fp_cv_ghc_has_readline=yes
929 fp_cv_ghc_has_readline=no
931 AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
932 ])# FP_GHC_HAS_READLINE
935 # FP_GCC_NEEDS_NO_OMIT_LFPTR
936 # --------------------------
937 # Some OSs (Mandrake Linux, in particular) configure GCC with
938 # -momit-leaf-frame-pointer on by default. If this is the case, we need to turn
939 # it off for mangling to work. The test is currently a bit crude, using only the
940 # version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR.
941 AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR],
942 [AC_REQUIRE([FP_HAVE_GCC])
943 AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr],
944 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
945 [fp_cv_gcc_needs_no_omit_lfptr=yes],
946 [fp_cv_gcc_needs_no_omit_lfptr=no])])
947 if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then
948 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
949 fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR
951 # FP_GCC_HAS_NO_UNIT_AT_A_TIME
952 # --------------------------
953 AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME],
954 [AC_REQUIRE([FP_HAVE_GCC])
955 AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time],
956 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
957 [fp_cv_gcc_has_no_unit_at_a_time=yes],
958 [fp_cv_gcc_has_no_unit_at_a_time=no])])
959 if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then
960 AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.])
964 # --------------------------
965 AC_DEFUN([FP_GCC_HAS_WRAPV],
966 [AC_REQUIRE([FP_HAVE_GCC])
967 AC_CACHE_CHECK([whether gcc has -fwrapv], [fp_cv_gcc_has_wrapv],
968 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
969 [fp_cv_gcc_has_wrapv=yes],
970 [fp_cv_gcc_has_wrapv=no])])
971 if test "$fp_cv_gcc_has_wrapv" = "yes"; then
972 AC_DEFINE([HAVE_GCC_HAS_WRAPV], [1], [Define to 1 if gcc supports -fwrapv.])
975 # FP_SETUP_PROJECT_VERSION
976 # ---------------------
977 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
979 if test "$RELEASE" = "NO"; then
980 AC_MSG_CHECKING([for GHC version date])
981 if test -f VERSION_DATE; then
982 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
983 AC_MSG_RESULT(given $PACKAGE_VERSION)
984 elif test -d _darcs; then
986 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`
987 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
989 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
991 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
992 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
993 elif test -f VERSION; then
994 PACKAGE_VERSION=`cat VERSION`
995 AC_MSG_RESULT(given $PACKAGE_VERSION)
997 AC_MSG_WARN([cannot determine snapshot version: no _darcs directory and no VERSION file])
1002 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1003 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1005 # Split PACKAGE_VERSION into (possibly empty) parts
1006 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1007 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1008 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1009 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1011 # Calculate project version as an integer, using 2 digits for minor version
1012 case $VERSION_MINOR in
1013 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1014 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1015 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1017 AC_SUBST([ProjectVersionInt])
1019 # The project patchlevel is zero unless stated otherwise
1020 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1022 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1023 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1025 AC_SUBST([ProjectPatchLevel])
1026 ])# FP_SETUP_PROJECT_VERSION
1028 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1029 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1030 [fptools_cv_timer_create_works],
1035 #ifdef HAVE_SIGNAL_H
1038 #ifdef HAVE_UNISTD_H
1041 int main(int argc, char *argv[])
1043 #if HAVE_TIMER_CREATE && HAVE_TIMER_SETTIME
1046 ev.sigev_notify = SIGEV_SIGNAL;
1047 ev.sigev_signo = SIGVTALRM;
1048 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1057 [fptools_cv_timer_create_works=yes],
1058 [fptools_cv_timer_create_works=no])
1060 case $fptools_cv_timer_create_works in
1061 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1062 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1068 AC_DEFUN([FP_ARG_GMP],
1070 AC_ARG_WITH([gmp-includes],
1071 [AC_HELP_STRING([--with-gmp-includes],
1072 [directory containing gmp.h])],
1073 [gmp_includes=$withval],
1074 [gmp_includes=NONE])
1076 AC_ARG_WITH([gmp-libraries],
1077 [AC_HELP_STRING([--with-gmp-libraries],
1078 [directory containing gmp library])],
1079 [gmp_libraries=$withval],
1080 [gmp_libraries=NONE])
1083 AC_DEFUN([CHECK_GMP],
1084 [AC_REQUIRE([AC_PROG_CPP])
1085 AC_REQUIRE([AC_PROG_CC])