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_SET_PLATFORM_VARS
8 # ----------------------------------
9 # Set the platform variables
10 AC_DEFUN([FPTOOLS_SET_PLATFORM_VARS],
12 # If no argument was given for a configuration variable, then discard
13 # the guessed canonical system and use the configuration of the
14 # bootstrapping ghc. If an argument was given, map it from gnu format
17 # For why we do it this way, see: #3637, #1717, #2951
19 # In bindists, we haven't called AC_CANONICAL_{BUILD,HOST,TARGET}
20 # so this justs uses $bootstrap_target.
22 if test "$build_alias" = ""
24 if test "$bootstrap_target" != ""
26 build=$bootstrap_target
27 echo "Build platform inferred as: $build"
29 echo "Can't work out build platform"
33 BuildArch=`echo "$build" | sed 's/-.*//'`
34 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
35 BuildOS=`echo "$build" | sed 's/.*-//'`
37 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
38 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
39 GHC_CONVERT_OS([$build_os], [BuildOS])
42 if test "$host_alias" = ""
44 if test "$bootstrap_target" != ""
46 host=$bootstrap_target
47 echo "Host platform inferred as: $host"
49 echo "Can't work out host platform"
53 HostArch=`echo "$host" | sed 's/-.*//'`
54 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
55 HostOS=`echo "$host" | sed 's/.*-//'`
57 GHC_CONVERT_CPU([$host_cpu], [HostArch])
58 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
59 GHC_CONVERT_OS([$host_os], [HostOS])
62 if test "$target_alias" = ""
64 if test "$bootstrap_target" != ""
66 target=$bootstrap_target
67 echo "Target platform inferred as: $target"
69 echo "Can't work out target platform"
73 TargetArch=`echo "$target" | sed 's/-.*//'`
74 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
75 TargetOS=`echo "$target" | sed 's/.*-//'`
77 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
78 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
79 GHC_CONVERT_OS([$target_os], [TargetOS])
87 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
88 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
96 i386-apple-darwin|powerpc-apple-darwin)
107 # ----------------------------------
108 # Set the variables used in the settings file
109 AC_DEFUN([FP_SETTINGS],
111 if test "$windows" = YES
113 SettingsCCompilerCommand='$topdir/../mingw/bin/gcc.exe'
114 SettingsCCompilerFlags=''
115 SettingsPerlCommand='$topdir/../perl/perl.exe'
116 SettingsDllWrapCommand='$topdir/../mingw/bin/dllwrap.exe'
117 SettingsWindresCommand='$topdir/../mingw/bin/windres.exe'
118 SettingsTouchCommand='$topdir/touchy.exe'
120 SettingsCCompilerCommand="$WhatGccIsCalled"
121 SettingsCCompilerFlags="$CONF_CC_OPTS_STAGE2"
122 SettingsPerlCommand="$PerlCmd"
123 SettingsDllWrapCommand="/bin/false"
124 SettingsWindresCommand="/bin/false"
125 SettingsTouchCommand='touch'
127 AC_SUBST(SettingsCCompilerCommand)
128 AC_SUBST(SettingsCCompilerFlags)
129 AC_SUBST(SettingsPerlCommand)
130 AC_SUBST(SettingsDllWrapCommand)
131 AC_SUBST(SettingsWindresCommand)
132 AC_SUBST(SettingsTouchCommand)
136 # FPTOOLS_SET_C_LD_FLAGS
137 # ----------------------------------
138 # Set the C, LD and CPP flags for a given platform
140 # $2 is the name of the CC flags variable
141 # $3 is the name of the linker flags variable when linking with gcc
142 # $4 is the name of the linker flags variable when linking with ld
143 # $5 is the name of the CPP flags variable
144 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
146 AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
157 $4="$$4 -arch x86_64"
161 # For now, to suppress the gcc warning "call-clobbered
162 # register used for global register variable", we simply
163 # disable all warnings altogether using the -w flag. Oh well.
164 $2="$$2 -w -mieee -D_REENTRANT"
165 $3="$$3 -w -mieee -D_REENTRANT"
166 $5="$$5 -w -mieee -D_REENTRANT"
169 # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
170 # (very nice, but too bad the HP /usr/include files don't agree.)
171 $2="$$2 -D_HPUX_SOURCE"
172 $3="$$3 -D_HPUX_SOURCE"
173 $5="$$5 -D_HPUX_SOURCE"
177 # If gcc knows about the stack protector, turn it off.
178 # Otherwise the stack-smash handler gets triggered.
179 echo 'int main(void) {return 0;}' > conftest.c
180 if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
182 $2="$$2 -fno-stack-protector"
184 rm -f conftest.c conftest.o
185 AC_MSG_RESULT([done])
189 # FP_VISIBILITY_HIDDEN
190 # ----------------------------------
191 # Is the visibility hidden attribute supported?
192 AC_DEFUN([FP_VISIBILITY_HIDDEN],
194 AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
195 echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
196 if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
199 AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
203 rm -f conftest.c conftest.o
207 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
208 # ----------------------------------
209 # Little endian Arm on Linux with some ABIs has big endian word order
210 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
211 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
212 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
215 [#include <endian.h>],
216 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
219 not float word order big endian
222 [fptools_cv_float_word_order_bigendian=yes],
223 [fptools_cv_float_word_order_bigendian=no])
225 case $fptools_cv_float_word_order_bigendian in
227 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
228 [Define to 1 if your processor stores words of floats with
229 the most significant byte first]) ;;
234 # FP_EVAL_STDERR(COMMAND)
235 # -----------------------
236 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
237 # into the file conftest.err and the exit status in the variable fp_status.
238 AC_DEFUN([FP_EVAL_STDERR],
239 [{ (eval $1) 2>conftest.er1
241 grep -v '^ *+' conftest.er1 >conftest.err
243 (exit $fp_status); }[]dnl
247 # FP_ARG_WITH_PATH_GNU_PROG
248 # --------------------
251 # $1 = the variable to set
252 # $2 = the command to look for
254 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
257 [AC_HELP_STRING([--with-$2=ARG],
258 [Use ARG as the path to $2 [default=autodetect]])],
260 if test "$HostOS" = "mingw32"
262 AC_MSG_WARN([Request to use $withval will be ignored])
268 if test "$HostOS" != "mingw32"
270 AC_PATH_PROG([$1], [$2])
273 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
278 ]) # FP_ARG_WITH_PATH_GNU_PROG
281 # FP_PROG_CONTEXT_DIFF
282 # --------------------
283 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
285 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
287 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
288 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
289 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
290 [echo foo > conftest1
292 fp_cv_context_diff=no
293 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
295 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
296 fp_cv_context_diff="diff $fp_var"
300 if test x"$fp_cv_context_diff" = xno; then
301 AC_MSG_ERROR([cannot figure out how to do context diffs])
303 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
304 ])# FP_PROG_CONTEXT_DIFF
307 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
308 # --------------------------------------------------------
309 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
310 # compilation. Execute IF-FAILS when unable to determine the value. Works for
311 # cross-compilation, too.
313 # Implementation note: We are lazy and use an internal autoconf macro, but it
314 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
316 AC_DEFUN([FP_COMPUTE_INT],
317 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
321 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
322 # ------------------------------------------------------------------
323 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
324 # given type. Defines ALIGNMENT_TYPE.
325 AC_DEFUN([FP_CHECK_ALIGNMENT],
326 [AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
327 [AC_FATAL([$0: requires literal arguments])])[]dnl
328 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
329 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
330 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
331 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
332 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
334 [AC_INCLUDES_DEFAULT([$3])],
335 [AC_MSG_ERROR([cannot compute alignment ($1)
336 See `config.log' for more details.], [77])])
340 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
341 m4_popdef([fp_Cache])[]dnl
342 ])# FP_CHECK_ALIGNMENT
345 # FP_LEADING_UNDERSCORE
346 # ---------------------
347 # Test for determining whether symbol names have a leading underscore. We assume
348 # that they _haven't_ if anything goes wrong. Sets the output variable
349 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
351 # Some nlist implementations seem to try to be compatible by ignoring a leading
352 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
353 # checking for *no* leading underscore first. Sigh. --SDM
355 # Similarly on OpenBSD, but this test doesn't help. -- dons
356 AC_DEFUN([FP_LEADING_UNDERSCORE],
357 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
358 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
359 # Hack!: nlist() under Digital UNIX insist on there being an _,
360 # but symbol table listings shows none. What is going on here?!?
362 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
363 # the underscoredness of that "platform"
364 case $HostPlatform in
365 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
367 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
368 *) fptools_cv_leading_underscore=no ;;
370 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
371 *cygwin32) fptools_cv_leading_underscore=yes;;
372 *mingw32) fptools_cv_leading_underscore=yes;;
374 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
375 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
377 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
379 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
380 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
388 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
390 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
394 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
397 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
398 if test x"$fptools_cv_leading_underscore" = xyes; then
399 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
400 fi])# FP_LEADING_UNDERSCORE
403 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
404 # ----------------------------------------------------------------------------------
405 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
406 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
407 AC_DEFUN([FP_COMPARE_VERSIONS],
408 [fp_version1=$1; fp_version2=$3
409 fp_save_IFS=$IFS; IFS='.'
410 while test x"$fp_version1" != x || test x"$fp_version2" != x
413 set dummy $fp_version1; shift
415 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
416 test x"$fp_num1" = x && fp_num1="0"
419 set dummy $fp_version2; shift
421 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
422 test x"$fp_num2" = x && fp_num2="0"
425 test "$fp_num1" = "$fp_num2" || break;
428 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
429 ])# FP_COMPARE_VERSIONS
433 dnl Check for GreenCard and version.
435 AC_DEFUN([FPTOOLS_GREENCARD],
437 AC_PATH_PROG(GreenCardCmd,greencard)
438 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
440 [if test x"$GreenCardCmd" != x; then
441 fptools_cv_greencard_version="`$GreenCardCmd --version |
442 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
444 fptools_cv_greencard_version=""
448 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
449 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
450 GreenCardVersion=$fptools_cv_greencard_version
451 AC_SUBST(GreenCardVersion)
455 dnl Check for Happy and version. If we're building GHC, then we need
456 dnl at least Happy version 1.14. If there's no installed Happy, we look
457 dnl for a happy source tree and point the build system at that instead.
459 AC_DEFUN([FPTOOLS_HAPPY],
460 [AC_PATH_PROG(HappyCmd,happy,)
461 # Happy is passed to Cabal, so we need a native path
462 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
463 test "${OSTYPE}" != "msys" && \
464 test "${HappyCmd}" != ""
466 # Canonicalise to <drive>:/path/to/gcc
467 HappyCmd=`cygpath -m "${HappyCmd}"`
468 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
471 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
473 [if test x"$HappyCmd" != x; then
474 fptools_cv_happy_version=`"$HappyCmd" -v |
475 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
477 fptools_cv_happy_version="";
481 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
483 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
484 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
486 HappyVersion=$fptools_cv_happy_version;
487 AC_SUBST(HappyVersion)
491 dnl Check for Alex and version. If we're building GHC, then we need
492 dnl at least Alex version 2.0.1.
494 AC_DEFUN([FPTOOLS_ALEX],
496 AC_PATH_PROG(AlexCmd,alex,)
497 # Alex is passed to Cabal, so we need a native path
498 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
499 test "${OSTYPE}" != "msys" && \
500 test "${AlexCmd}" != ""
502 # Canonicalise to <drive>:/path/to/gcc
503 AlexCmd=`cygpath -m "${AlexCmd}"`
506 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
508 [if test x"$AlexCmd" != x; then
509 fptools_cv_alex_version=`"$AlexCmd" -v |
510 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
512 fptools_cv_alex_version="";
516 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
518 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
519 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
521 AlexVersion=$fptools_cv_alex_version;
522 AC_SUBST(AlexVersion)
528 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
529 # variable's value is empty.
530 AC_DEFUN([FP_PROG_LD_X],
532 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
533 [echo 'foo() {}' > conftest.c
534 ${CC-cc} -c conftest.c
535 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
541 if test "$fp_cv_ld_x" = yes; then
550 # FP_PROG_LD_BUILD_ID
553 # Sets the output variable LdHasBuildId to YES if ld supports
554 # --build-id, or NO otherwise.
555 AC_DEFUN([FP_PROG_LD_BUILD_ID],
557 AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
558 [echo 'foo() {}' > conftest.c
559 ${CC-cc} -c conftest.c
560 if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
561 fp_cv_ld_build_id=yes
566 if test "$fp_cv_ld_build_id" = yes; then
571 AC_SUBST([LdHasBuildId])
572 ])# FP_PROG_LD_BUILD_ID
577 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
579 AC_DEFUN([FP_PROG_LD_IS_GNU],
581 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
582 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
587 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
588 ])# FP_PROG_LD_IS_GNU
593 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
594 # version of it. Exits if no ar can be found
595 AC_DEFUN([FP_PROG_AR],
596 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
597 if test -z "$fp_prog_ar_raw"; then
598 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
600 fp_prog_ar="$fp_prog_ar_raw"
601 case $HostPlatform in
602 *mingw32) if test x${OSTYPE} != xmsys; then
603 fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
604 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
613 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
614 AC_DEFUN([FP_PROG_AR_IS_GNU],
615 [AC_REQUIRE([FP_PROG_AR])
616 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
617 [if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
618 fp_cv_prog_ar_is_gnu=yes
620 fp_cv_prog_ar_is_gnu=no
622 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
623 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
624 ])# FP_PROG_AR_IS_GNU
627 # FP_PROG_AR_SUPPORTS_ATFILE
629 # Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
630 # or not it supports the @file syntax
631 AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
632 [AC_REQUIRE([FP_PROG_AR])
633 AC_REQUIRE([FP_PROG_AR_ARGS])
634 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
638 echo conftest.file > conftest.atfile
639 echo conftest.file >> conftest.atfile
640 "$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
641 fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
643 if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
645 fp_cv_prog_ar_supports_atfile=yes
647 fp_cv_prog_ar_supports_atfile=no
649 fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
650 AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
651 ])# FP_PROG_AR_SUPPORTS_ATFILE
655 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
656 # to a non-Cygwin invocation of ar including these arguments.
657 AC_DEFUN([FP_PROG_AR_ARGS],
658 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
659 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
661 # GNU ar needs special treatment: it appears to have problems with
662 # object files with the same name if you use the 's' modifier, but
663 # simple 'ar q' works fine, and doesn't need a separate ranlib.
664 if test $fp_prog_ar_is_gnu = yes; then
665 fp_cv_prog_ar_args="q"
668 for fp_var in clqsZ clqs cqs clq cq ; do
670 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
671 fp_cv_prog_ar_args=$fp_var
676 if test -z "$fp_cv_prog_ar_args"; then
677 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
680 fp_prog_ar_args=$fp_cv_prog_ar_args
681 AC_SUBST([ArCmd], ["$fp_prog_ar"])
682 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
687 # FP_PROG_AR_NEEDS_RANLIB
688 # -----------------------
689 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
690 # to "true" otherwise.
691 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
692 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
693 AC_REQUIRE([FP_PROG_AR_ARGS])
694 AC_REQUIRE([AC_PROG_CC])
695 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
696 [if test $fp_prog_ar_is_gnu = yes; then
697 fp_cv_prog_ar_needs_ranlib=no
698 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
699 # It's quite tedious to check for Apple's crazy timestamps in .a files,
701 fp_cv_prog_ar_needs_ranlib=yes
702 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
703 fp_cv_prog_ar_needs_ranlib=no
705 fp_cv_prog_ar_needs_ranlib=yes
707 if test $fp_cv_prog_ar_needs_ranlib = yes; then
713 ])# FP_PROG_AR_NEEDS_RANLIB
717 dnl AC_SHEBANG_PERL - can we she-bang perl?
719 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
720 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
725 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
726 if test $? -ne 69; then
727 fptools_cv_shebang_perl=yes
729 fptools_cv_shebang_perl=no
737 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
738 # output variable GccVersion.
739 AC_DEFUN([FP_GCC_VERSION],
740 [AC_REQUIRE([AC_PROG_CC])
743 AC_MSG_ERROR([gcc is required])
746 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
748 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
749 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
750 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
751 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
752 # isn't a very good reason for that, but for now just make configure
754 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
756 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
760 dnl Small feature test for perl version. Assumes PerlCmd
761 dnl contains path to perl binary.
763 dnl (Perl versions prior to v5.6 does not contain the string "v5";
764 dnl instead they display version strings such as "version 5.005".)
766 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
767 [$PerlCmd -v >conftest.out 2>&1
768 if grep "v5" conftest.out >/dev/null 2>&1; then
771 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
777 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
778 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
779 # -----------------------------------------------------
780 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
781 # of PROG-TO-CHECK-FOR when found.
782 AC_DEFUN([FP_CHECK_PROG],
783 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
789 # Find a non-WinDoze version of the "find" utility.
790 AC_DEFUN([FP_PROG_FIND],
791 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
792 echo foo > conftest.txt
793 $fp_prog_find conftest.txt -print > conftest.out 2>&1
794 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
795 # OK, looks like a real "find".
796 case $HostPlatform in
798 if test x${OSTYPE} != xmsys
800 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
801 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
805 FindCmd="$fp_prog_find"
807 # Found a poor WinDoze version of "find", ignore it.
808 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
809 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
811 rm -f conftest.txt conftest.out
812 AC_SUBST([FindCmd])[]dnl
818 # Find a Unix-like sort
819 AC_DEFUN([FP_PROG_SORT],
820 [AC_PATH_PROG([fp_prog_sort], [sort])
821 echo conwip > conftest.txt
822 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
823 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
825 SortCmd="$fp_prog_sort"
827 # Summink else..pick next one.
828 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
829 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
831 rm -f conftest.txt conftest.out
832 AC_SUBST([SortCmd])[]dnl
836 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
837 dnl values of the second argument to the result of running
838 dnl the commands given by the third. It does not cache its
839 dnl result, so it is suitable for checks which should be
842 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
843 [AC_MSG_CHECKING([$1])
845 AC_MSG_RESULT([$][$2])
849 dnl FPTOOLS_GHC_VERSION(version)
850 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
851 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
853 dnl Test for version of installed ghc. Uses $GHC.
854 dnl [original version pinched from c2hs]
856 AC_DEFUN([FPTOOLS_GHC_VERSION],
857 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
858 ["${WithGhc-ghc}" --version > conftestghc 2>&1
859 cat conftestghc >&AS_MESSAGE_LOG_FD
860 #Useless Use Of cat award...
861 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
863 if test "[$]fptools_version_of_ghc" = ""
865 fptools_version_of_ghc='unknown'
867 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
868 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
869 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
871 if test "[$]fptools_version_of_ghc[_pl]" = ""
873 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
874 fptools_version_of_ghc[_pl]="0"
876 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
880 [$1]="[$]fptools_version_of_ghc[_all]"
882 [$1]="[$]fptools_version_of_ghc[_major]"
883 [$2]="[$]fptools_version_of_ghc[_minor]"
885 [$1]="[$]fptools_version_of_ghc[_major]"
886 [$2]="[$]fptools_version_of_ghc[_minor]"
887 [$3]="[$]fptools_version_of_ghc[_pl]"
889 [$1]="[$]fptools_version_of_ghc[_all]"
890 [$2]="[$]fptools_version_of_ghc[_major]"
891 [$3]="[$]fptools_version_of_ghc[_minor]"
892 [$4]="[$]fptools_version_of_ghc[_pl]"
898 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
899 # ---------------------------------------------------------------------------------
900 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
901 # additional flexibility of specifying the PROLOGUE and BODY.
902 AC_DEFUN([FP_CHECK_FUNC],
903 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
904 AC_CACHE_CHECK([for $1], fp_func,
905 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
906 [AS_VAR_SET(fp_func, yes)],
907 [AS_VAR_SET(fp_func, no)])])
908 AS_IF([test AS_VAR_GET(fp_func) = yes],
909 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
910 [Define to 1 if you have the `]$1[' function.]) $4],
912 AS_VAR_POPDEF([fp_func])dnl
918 # Generates a DocBook XML V4.5 document in conftest.xml.
920 # It took a lot of experimentation to find a document that will cause
921 # xsltproc to fail with an error code when the relevant
922 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
923 # a single-file document, it seems a multi-file document is needed.
926 AC_DEFUN([FP_GEN_DOCBOOK_XML],
927 [rm -f conftest.xml conftest-book.xml
928 cat > conftest.xml << EOF
929 <?xml version="1.0" encoding="iso-8859-1"?>
930 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
931 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
932 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
938 cat >conftest-book.xml << EOF
939 <?xml version="1.0" encoding="iso-8859-1"?>
940 <title>A DocBook “Test Document”</title>
941 <chapter id="id-one">
942 <title>A Chapter Title</title>
943 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
945 <chapter id="id-two">
946 <title>Another Chapter Title</title>
947 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
950 ]) # FP_GEN_DOCBOOK_XML
955 # Sets the output variable DblatexCmd to the full path of dblatex,
956 # which we use for building PDF and PS docs.
957 # DblatexCmd is empty if dblatex could not be found.
958 AC_DEFUN([FP_PROG_DBLATEX],
959 [AC_PATH_PROG([DblatexCmd], [dblatex])
960 if test -z "$DblatexCmd"; then
961 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
968 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
969 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
970 AC_DEFUN([FP_PROG_XSLTPROC],
971 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
972 if test -z "$XsltprocCmd"; then
973 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
979 # ----------------------------
980 # Check that we can process a DocBook XML document to HTML using xsltproc.
981 AC_DEFUN([FP_DOCBOOK_XSL],
982 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
983 if test -n "$XsltprocCmd"; then
984 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
986 fp_cv_dir_docbook_xsl=no
987 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
988 fp_cv_dir_docbook_xsl=yes
992 if test x"$fp_cv_dir_docbook_xsl" = xno; then
993 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
998 AC_SUBST([HAVE_DOCBOOK_XSL])
1004 # Sets the output variable XmllintCmd to the full path of the XSLT processor
1005 # xmllint. XmllintCmd is empty if xmllint could not be found.
1006 AC_DEFUN([FP_PROG_XMLLINT],
1007 [AC_PATH_PROG([XmllintCmd], [xmllint])
1008 if test -z "$XmllintCmd"; then
1009 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
1014 # FP_CHECK_DOCBOOK_DTD
1015 # --------------------
1016 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
1017 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
1018 if test -n "$XmllintCmd"; then
1019 AC_MSG_CHECKING([for DocBook DTD])
1021 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
1024 AC_MSG_RESULT([failed])
1025 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
1026 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
1030 ])# FP_CHECK_DOCBOOK_DTD
1034 # ------------------
1035 # Generates a formatting objects document in conftest.fo.
1036 AC_DEFUN([FP_GEN_FO],
1038 cat > conftest.fo << EOF
1039 <?xml version="1.0"?>
1040 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
1041 <fo:layout-master-set>
1042 <fo:simple-page-master master-name="blank">
1044 </fo:simple-page-master>
1045 </fo:layout-master-set>
1046 <fo:page-sequence master-reference="blank">
1047 <fo:flow flow-name="xsl-region-body">
1060 # Set the output variable 'FopCmd' to the first working 'fop' in the current
1061 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
1062 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
1063 AC_DEFUN([FP_PROG_FOP],
1064 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
1065 if test -n "$FopCmd1"; then
1066 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
1068 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
1069 fp_cv_fop_usability=yes
1071 fp_cv_fop_usability=no
1074 if test x"$fp_cv_fop_usability" = xyes; then
1078 if test -z "$FopCmd"; then
1079 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
1088 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
1089 # WithGhc. Sets the output variable GhcPkgCmd.
1090 AC_DEFUN([FP_PROG_GHC_PKG],
1091 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
1093 # If we are told to use ghc-stage2, then we're using an in-tree
1094 # compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
1095 # so we sed off -stage[0-9]$. However, if we are told to use
1096 # ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
1098 fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
1099 if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
1100 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1102 AC_MSG_ERROR([Cannot find matching ghc-pkg])
1104 GhcPkgCmd=$fp_cv_matching_ghc_pkg
1105 AC_SUBST([GhcPkgCmd])
1109 # FP_GCC_EXTRA_FLAGS
1110 # ------------------
1111 # Determine which extra flags we need to pass gcc when we invoke it
1112 # to compile .hc code.
1114 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
1115 # integer wrap around. (Trac #952)
1117 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1118 [AC_REQUIRE([FP_GCC_VERSION])
1119 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
1120 [fp_cv_gcc_extra_opts=
1121 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1122 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
1125 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1129 # FP_SETUP_PROJECT_VERSION
1130 # ---------------------
1131 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1133 if test "$RELEASE" = "NO"; then
1134 AC_MSG_CHECKING([for GHC version date])
1135 if test -f VERSION_DATE; then
1136 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1137 AC_MSG_RESULT(given $PACKAGE_VERSION)
1138 elif test -d .git; then
1140 ver_date=`git log -n 1 --date=short --pretty=format:%ci | cut -d ' ' -f 1 | tr -d -`
1141 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
1142 changequote([, ])dnl
1143 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1145 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1146 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1147 elif test -d _darcs; then
1148 # TODO: Remove this branch after conversion to Git
1150 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" | ${SortCmd} -n | tail -1`
1151 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
1152 changequote([, ])dnl
1153 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1155 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1156 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1157 elif test -f VERSION; then
1158 PACKAGE_VERSION=`cat VERSION`
1159 AC_MSG_RESULT(given $PACKAGE_VERSION)
1161 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1166 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1167 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1169 # Split PACKAGE_VERSION into (possibly empty) parts
1170 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1171 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1172 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1173 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1175 # Calculate project version as an integer, using 2 digits for minor version
1176 case $VERSION_MINOR in
1177 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1178 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1179 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1181 AC_SUBST([ProjectVersionInt])
1183 # The project patchlevel is zero unless stated otherwise
1184 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1186 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1187 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1189 AC_SUBST([ProjectPatchLevel])
1190 ])# FP_SETUP_PROJECT_VERSION
1193 # Check for a working timer_create(). We need a pretty detailed check
1194 # here, because there exist partially-working implementations of
1195 # timer_create() in certain versions of Linux (see bug #1933).
1197 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1198 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1199 [fptools_cv_timer_create_works],
1202 #ifdef HAVE_STDLIB_H
1208 #ifdef HAVE_SIGNAL_H
1211 #ifdef HAVE_UNISTD_H
1215 static volatile int tock = 0;
1216 static void handler(int i)
1221 static void timeout(int i)
1223 // timer_settime() has been known to hang, so just in case
1224 // we install a 1-second timeout (see #2257)
1228 int main(int argc, char *argv[])
1233 struct itimerspec it;
1234 struct sigaction action;
1237 ev.sigev_notify = SIGEV_SIGNAL;
1238 ev.sigev_signo = SIGVTALRM;
1240 action.sa_handler = handler;
1241 action.sa_flags = 0;
1242 sigemptyset(&action.sa_mask);
1243 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1244 fprintf(stderr,"SIGVTALRM problem\n");
1248 action.sa_handler = timeout;
1249 action.sa_flags = 0;
1250 sigemptyset(&action.sa_mask);
1251 if (sigaction(SIGALRM, &action, NULL) == -1) {
1252 fprintf(stderr,"SIGALRM problem\n");
1257 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1258 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1262 it.it_value.tv_sec = 0;
1263 it.it_value.tv_nsec = 1;
1264 it.it_interval = it.it_value;
1265 if (timer_settime(timer, 0, &it, NULL) != 0) {
1266 fprintf(stderr,"settime problem\n");
1272 for(n = 3; n < 20000; n++){
1273 for(m = 2; m <= n/2; m++){
1274 if (!(n%m)) count++;
1281 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1285 timer_delete(timer);
1287 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1288 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1292 it.it_value.tv_sec = 0;
1293 it.it_value.tv_nsec = 1000000;
1294 it.it_interval = it.it_value;
1295 if (timer_settime(timer, 0, &it, NULL) != 0) {
1296 fprintf(stderr,"settime problem\n");
1305 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1309 timer_delete(timer);
1314 [fptools_cv_timer_create_works=yes],
1315 [fptools_cv_timer_create_works=no])
1317 case $fptools_cv_timer_create_works in
1318 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1319 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1325 AC_DEFUN([FP_ICONV],
1327 dnl--------------------------------------------------------------------
1328 dnl * Deal with arguments telling us iconv is somewhere odd
1329 dnl--------------------------------------------------------------------
1331 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
1332 dnl to the empty string to allow them to be overridden from the
1335 AC_ARG_WITH([iconv-includes],
1336 [AC_HELP_STRING([--with-iconv-includes],
1337 [directory containing iconv.h])],
1338 [ICONV_INCLUDE_DIRS=$withval])
1340 AC_ARG_WITH([iconv-libraries],
1341 [AC_HELP_STRING([--with-iconv-libraries],
1342 [directory containing iconv library])],
1343 [ICONV_LIB_DIRS=$withval])
1345 AC_SUBST(ICONV_INCLUDE_DIRS)
1346 AC_SUBST(ICONV_LIB_DIRS)
1353 dnl--------------------------------------------------------------------
1354 dnl * Deal with arguments telling us gmp is somewhere odd
1355 dnl--------------------------------------------------------------------
1357 AC_ARG_WITH([gmp-includes],
1358 [AC_HELP_STRING([--with-gmp-includes],
1359 [directory containing gmp.h])],
1360 [GMP_INCLUDE_DIRS=$withval])
1362 AC_ARG_WITH([gmp-libraries],
1363 [AC_HELP_STRING([--with-gmp-libraries],
1364 [directory containing gmp library])],
1365 [GMP_LIB_DIRS=$withval])
1367 AC_SUBST(GMP_INCLUDE_DIRS)
1368 AC_SUBST(GMP_LIB_DIRS)
1371 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1372 # ---------------------------------
1373 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1375 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1376 AC_MSG_CHECKING([Mac OS X deployment target])
1377 case $FP_MACOSX_DEPLOYMENT_TARGET in
1379 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1380 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1382 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1383 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1385 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1386 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1389 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1392 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1393 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1395 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1400 # --------------------------------------------------------------
1401 # Calculate absolute path to build tree
1402 # --------------------------------------------------------------
1404 AC_DEFUN([FP_INTREE_GHC_PWD],[
1405 AC_MSG_NOTICE(Building in-tree ghc-pwd)
1407 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1408 dnl except we don't want to have to know what make is called. Sigh.
1409 rm -rf utils/ghc-pwd/dist-boot
1410 mkdir utils/ghc-pwd/dist-boot
1411 if ! "$WithGhc" -v0 -no-user-package-conf -hidir utils/ghc-pwd/dist-boot -odir utils/ghc-pwd/dist-boot -stubdir utils/ghc-pwd/dist-boot --make utils/ghc-pwd/Main.hs -o utils/ghc-pwd/dist-boot/ghc-pwd
1413 AC_MSG_ERROR([Building ghc-pwd failed])
1416 GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
1419 AC_DEFUN([FP_BINDIST_GHC_PWD],[
1420 GHC_PWD=utils/ghc-pwd/dist-install/build/tmp/ghc-pwd
1423 AC_DEFUN([FP_FIND_ROOT],[
1424 AC_MSG_CHECKING(for path to top of build tree)
1427 dnl Remove common automounter nonsense
1428 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1430 if ! test -d "$hardtop"; then
1431 AC_MSG_ERROR([cannot determine current directory])
1434 dnl We don't support building in directories with spaces.
1438 The build system does not support building in a directory
1439 containing space characters.
1440 Suggestion: move the build tree somewhere else.])
1446 AC_MSG_RESULT($hardtop)
1449 # GHC_CONVERT_CPU(cpu, target_var)
1450 # --------------------------------
1451 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1452 AC_DEFUN([GHC_CONVERT_CPU],[
1466 i386|i486|i586|i686)
1509 echo "Unknown CPU $1"
1515 # GHC_CONVERT_VENDOR(vendor, target_var)
1516 # --------------------------------
1517 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1518 AC_DEFUN([GHC_CONVERT_VENDOR],[
1520 pc|gentoo) # like i686-pc-linux-gnu and i686-gentoo-freebsd8
1524 #pass thru by default
1530 # GHC_CONVERT_OS(os, target_var)
1531 # --------------------------------
1532 # converts os from gnu to ghc naming, and assigns the result to $target_var
1533 AC_DEFUN([GHC_CONVERT_OS],[
1538 # As far as I'm aware, none of these have relevant variants
1539 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1542 freebsd8) # like i686-gentoo-freebsd8
1546 echo "Unknown OS $1"
1552 # BOOTSTRAPPING_GHC_INFO_FIELD
1553 # --------------------------------
1554 # If the bootstrapping compiler is >= 7.1, then set the variable
1555 # $1 to the value of the ghc --info field $2. Otherwise, set it to
1557 AC_DEFUN([BOOTSTRAPPING_GHC_INFO_FIELD],[
1558 if test $GhcCanonVersion -ge 701
1560 $1=`"$WithGhc" --info | grep "^ ,(\"$2\"," | sed -e 's/.*","//' -e 's/")$//'`
1567 # LIBRARY_VERSION(lib)
1568 # --------------------------------
1569 # Gets the version number of a library.
1570 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1571 AC_DEFUN([LIBRARY_VERSION],[
1572 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1573 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)