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])
84 # FPTOOLS_SET_C_LD_FLAGS
85 # ----------------------------------
86 # Set the C, LD and CPP flags for a given platform
88 # $2 is the name of the CC flags variable
89 # $3 is the name of the linker flags variable when linking with gcc
90 # $4 is the name of the linker flags variable when linking with ld
91 # $5 is the name of the CPP flags variable
92 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
94 AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
97 # By default, gcc on OS X will generate SSE
98 # instructions, which need things 16-byte aligned,
99 # but we don't 16-byte align things. Thus drop
100 # back to generic i686 compatibility. Trac #2983.
101 $2="$$2 -march=i686 -m32"
102 $3="$$3 -march=i686 -m32"
104 $5="$$5 -march=i686 -m32"
109 $4="$$4 -arch x86_64"
115 i386-apple-darwin|x86_64-apple-darwin)
116 # We support back to OS X 10.5
117 $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
118 $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
119 $4="$$4 -macosx_version_min 10.5"
120 $5="$$5 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
124 # If gcc knows about the stack protector, turn it off.
125 # Otherwise the stack-smash handler gets triggered.
126 echo 'int main(void) {return 0;}' > conftest.c
127 if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
129 $2="$$2 -fno-stack-protector"
131 rm -f conftest.c conftest.o
132 AC_MSG_RESULT([done])
136 # FP_VISIBILITY_HIDDEN
137 # ----------------------------------
138 # Is the visibility hidden attribute supported?
139 AC_DEFUN([FP_VISIBILITY_HIDDEN],
141 AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
142 echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
143 if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
146 AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
150 rm -f conftest.c conftest.o
154 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
155 # ----------------------------------
156 # Little endian Arm on Linux with some ABIs has big endian word order
157 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
158 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
159 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
162 [#include <endian.h>],
163 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
166 not float word order big endian
169 [fptools_cv_float_word_order_bigendian=yes],
170 [fptools_cv_float_word_order_bigendian=no])
172 case $fptools_cv_float_word_order_bigendian in
174 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
175 [Define to 1 if your processor stores words of floats with
176 the most significant byte first]) ;;
181 # FP_EVAL_STDERR(COMMAND)
182 # -----------------------
183 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
184 # into the file conftest.err and the exit status in the variable fp_status.
185 AC_DEFUN([FP_EVAL_STDERR],
186 [{ (eval $1) 2>conftest.er1
188 grep -v '^ *+' conftest.er1 >conftest.err
190 (exit $fp_status); }[]dnl
194 # FP_ARG_WITH_PATH_GNU_PROG
195 # --------------------
198 # $1 = the command to look for
199 # $2 = the variable to set
201 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
204 [AC_HELP_STRING([--with-$2=ARG],
205 [Use ARG as the path to $2 [default=autodetect]])],
207 if test "$HostOS" = "mingw32"
209 AC_MSG_WARN([Request to use $withval will be ignored])
215 if test "$HostOS" != "mingw32"
217 AC_PATH_PROG([$1], [$2])
220 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
225 ]) # FP_ARG_WITH_PATH_GNU_PROG
228 # FP_PROG_CONTEXT_DIFF
229 # --------------------
230 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
232 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
234 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
235 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
236 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
237 [echo foo > conftest1
239 fp_cv_context_diff=no
240 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
242 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
243 fp_cv_context_diff="diff $fp_var"
247 if test x"$fp_cv_context_diff" = xno; then
248 AC_MSG_ERROR([cannot figure out how to do context diffs])
250 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
251 ])# FP_PROG_CONTEXT_DIFF
254 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
255 # --------------------------------------------------------
256 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
257 # compilation. Execute IF-FAILS when unable to determine the value. Works for
258 # cross-compilation, too.
260 # Implementation note: We are lazy and use an internal autoconf macro, but it
261 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
263 AC_DEFUN([FP_COMPUTE_INT],
264 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
268 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
269 # ------------------------------------------------------------------
270 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
271 # given type. Defines ALIGNMENT_TYPE.
272 AC_DEFUN([FP_CHECK_ALIGNMENT],
273 [AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
274 [AC_FATAL([$0: requires literal arguments])])[]dnl
275 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
276 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
277 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
278 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
279 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
281 [AC_INCLUDES_DEFAULT([$3])],
282 [AC_MSG_ERROR([cannot compute alignment ($1)
283 See `config.log' for more details.], [77])])
287 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
288 m4_popdef([fp_Cache])[]dnl
289 ])# FP_CHECK_ALIGNMENT
292 # FP_LEADING_UNDERSCORE
293 # ---------------------
294 # Test for determining whether symbol names have a leading underscore. We assume
295 # that they _haven't_ if anything goes wrong. Sets the output variable
296 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
298 # Some nlist implementations seem to try to be compatible by ignoring a leading
299 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
300 # checking for *no* leading underscore first. Sigh. --SDM
302 # Similarly on OpenBSD, but this test doesn't help. -- dons
303 AC_DEFUN([FP_LEADING_UNDERSCORE],
304 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
305 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
306 # Hack!: nlist() under Digital UNIX insist on there being an _,
307 # but symbol table listings shows none. What is going on here?!?
309 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
310 # the underscoredness of that "platform"
311 case $HostPlatform in
312 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
314 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
315 *) fptools_cv_leading_underscore=no ;;
317 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
318 *cygwin32) fptools_cv_leading_underscore=yes;;
319 *mingw32) fptools_cv_leading_underscore=yes;;
321 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
322 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
324 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
326 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
327 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
335 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
337 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
341 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
344 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
345 if test x"$fptools_cv_leading_underscore" = xyes; then
346 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
347 fi])# FP_LEADING_UNDERSCORE
350 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
351 # ----------------------------------------------------------------------------------
352 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
353 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
354 AC_DEFUN([FP_COMPARE_VERSIONS],
355 [fp_version1=$1; fp_version2=$3
356 fp_save_IFS=$IFS; IFS='.'
357 while test x"$fp_version1" != x || test x"$fp_version2" != x
360 set dummy $fp_version1; shift
362 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
363 test x"$fp_num1" = x && fp_num1="0"
366 set dummy $fp_version2; shift
368 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
369 test x"$fp_num2" = x && fp_num2="0"
372 test "$fp_num1" = "$fp_num2" || break;
375 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
376 ])# FP_COMPARE_VERSIONS
380 dnl Check for GreenCard and version.
382 AC_DEFUN([FPTOOLS_GREENCARD],
384 AC_PATH_PROG(GreenCardCmd,greencard)
385 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
387 [if test x"$GreenCardCmd" != x; then
388 fptools_cv_greencard_version="`$GreenCardCmd --version |
389 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
391 fptools_cv_greencard_version=""
395 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
396 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
397 GreenCardVersion=$fptools_cv_greencard_version
398 AC_SUBST(GreenCardVersion)
402 dnl Check for Happy and version. If we're building GHC, then we need
403 dnl at least Happy version 1.14. If there's no installed Happy, we look
404 dnl for a happy source tree and point the build system at that instead.
406 AC_DEFUN([FPTOOLS_HAPPY],
407 [AC_PATH_PROG(HappyCmd,happy,)
408 # Happy is passed to Cabal, so we need a native path
409 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
410 test "${OSTYPE}" != "msys" && \
411 test "${HappyCmd}" != ""
413 # Canonicalise to <drive>:/path/to/gcc
414 HappyCmd=`cygpath -m "${HappyCmd}"`
415 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
418 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
420 [if test x"$HappyCmd" != x; then
421 fptools_cv_happy_version=`"$HappyCmd" -v |
422 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
424 fptools_cv_happy_version="";
428 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
430 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
431 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
433 HappyVersion=$fptools_cv_happy_version;
434 AC_SUBST(HappyVersion)
438 dnl Check for Alex and version. If we're building GHC, then we need
439 dnl at least Alex version 2.0.1.
441 AC_DEFUN([FPTOOLS_ALEX],
443 AC_PATH_PROG(AlexCmd,alex,)
444 # Alex is passed to Cabal, so we need a native path
445 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
446 test "${OSTYPE}" != "msys" && \
447 test "${AlexCmd}" != ""
449 # Canonicalise to <drive>:/path/to/gcc
450 AlexCmd=`cygpath -m "${AlexCmd}"`
453 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
455 [if test x"$AlexCmd" != x; then
456 fptools_cv_alex_version=`"$AlexCmd" -v |
457 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
459 fptools_cv_alex_version="";
463 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
465 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
466 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
468 AlexVersion=$fptools_cv_alex_version;
469 AC_SUBST(AlexVersion)
475 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
476 # variable's value is empty.
477 AC_DEFUN([FP_PROG_LD_X],
479 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
480 [echo 'foo() {}' > conftest.c
481 ${CC-cc} -c conftest.c
482 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
488 if test "$fp_cv_ld_x" = yes; then
499 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
501 AC_DEFUN([FP_PROG_LD_IS_GNU],
503 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
504 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
509 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
510 ])# FP_PROG_LD_IS_GNU
515 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
516 # version of it. Exits if no ar can be found
517 AC_DEFUN([FP_PROG_AR],
518 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
519 if test -z "$fp_prog_ar_raw"; then
520 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
522 fp_prog_ar="$fp_prog_ar_raw"
523 case $HostPlatform in
524 *mingw32) if test x${OSTYPE} != xmsys; then
525 fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
526 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
535 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
536 AC_DEFUN([FP_PROG_AR_IS_GNU],
537 [AC_REQUIRE([FP_PROG_AR])
538 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
539 [if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
540 fp_cv_prog_ar_is_gnu=yes
542 fp_cv_prog_ar_is_gnu=no
544 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
545 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
546 ])# FP_PROG_AR_IS_GNU
549 # FP_PROG_AR_SUPPORTS_ATFILE
551 # Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
552 # or not it supports the @file syntax
553 AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
554 [AC_REQUIRE([FP_PROG_AR])
555 AC_REQUIRE([FP_PROG_AR_ARGS])
556 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
560 echo conftest.file > conftest.atfile
561 echo conftest.file >> conftest.atfile
562 "$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
563 fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
565 if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
567 fp_cv_prog_ar_supports_atfile=yes
569 fp_cv_prog_ar_supports_atfile=no
571 fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
572 AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
573 ])# FP_PROG_AR_SUPPORTS_ATFILE
577 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
578 # to a non-Cygwin invocation of ar including these arguments.
579 AC_DEFUN([FP_PROG_AR_ARGS],
580 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
581 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
583 # GNU ar needs special treatment: it appears to have problems with
584 # object files with the same name if you use the 's' modifier, but
585 # simple 'ar q' works fine, and doesn't need a separate ranlib.
586 if test $fp_prog_ar_is_gnu = yes; then
587 fp_cv_prog_ar_args="q"
590 for fp_var in clqsZ clqs cqs clq cq ; do
592 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
593 fp_cv_prog_ar_args=$fp_var
598 if test -z "$fp_cv_prog_ar_args"; then
599 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
602 fp_prog_ar_args=$fp_cv_prog_ar_args
603 AC_SUBST([ArCmd], ["$fp_prog_ar"])
604 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
609 # FP_PROG_AR_NEEDS_RANLIB
610 # -----------------------
611 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
613 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
614 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
615 AC_REQUIRE([FP_PROG_AR_ARGS])
616 AC_REQUIRE([AC_PROG_CC])
617 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
618 [if test $fp_prog_ar_is_gnu = yes; then
619 fp_cv_prog_ar_needs_ranlib=no
620 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
621 # It's quite tedious to check for Apple's crazy timestamps in .a files,
623 fp_cv_prog_ar_needs_ranlib=yes
624 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
625 fp_cv_prog_ar_needs_ranlib=no
627 fp_cv_prog_ar_needs_ranlib=yes
629 if test $fp_cv_prog_ar_needs_ranlib = yes; then
635 ])# FP_PROG_AR_NEEDS_RANLIB
638 # FP_PROG_AR_SUPPORTS_INPUT
639 # -------------------------
640 # Sets the output variable ArSupportsInput to "-input" or "", depending on
641 # whether ar supports -input flag is supported or not.
642 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
643 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
644 AC_REQUIRE([FP_PROG_AR_ARGS])
645 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
646 [fp_cv_prog_ar_supports_input=no
647 if test $fp_prog_ar_is_gnu = no; then
650 if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
651 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
655 if test $fp_cv_prog_ar_supports_input = yes; then
656 ArSupportsInput="-input"
660 AC_SUBST([ArSupportsInput])
661 ])# FP_PROG_AR_SUPPORTS_INPUT
665 dnl AC_SHEBANG_PERL - can we she-bang perl?
667 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
668 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
673 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
674 if test $? -ne 69; then
675 fptools_cv_shebang_perl=yes
677 fptools_cv_shebang_perl=no
685 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
686 # output variables HaveGcc and GccVersion.
687 AC_DEFUN([FP_HAVE_GCC],
688 [AC_REQUIRE([AC_PROG_CC])
689 if test -z "$GCC"; then
694 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
695 AC_MSG_ERROR([gcc is required])
698 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
699 [if test "$fp_have_gcc" = "YES"; then
700 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
701 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
702 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
703 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
704 # isn't a very good reason for that, but for now just make configure
706 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
708 fp_cv_gcc_version="not-installed"
711 AC_SUBST([HaveGcc], [$fp_have_gcc])
712 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
716 dnl Small feature test for perl version. Assumes PerlCmd
717 dnl contains path to perl binary.
719 dnl (Perl versions prior to v5.6 does not contain the string "v5";
720 dnl instead they display version strings such as "version 5.005".)
722 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
723 [$PerlCmd -v >conftest.out 2>&1
724 if grep "v5" conftest.out >/dev/null 2>&1; then
727 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
733 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
734 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
735 # -----------------------------------------------------
736 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
737 # of PROG-TO-CHECK-FOR when found.
738 AC_DEFUN([FP_CHECK_PROG],
739 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
745 # Find a non-WinDoze version of the "find" utility.
746 AC_DEFUN([FP_PROG_FIND],
747 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
748 echo foo > conftest.txt
749 $fp_prog_find conftest.txt -print > conftest.out 2>&1
750 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
751 # OK, looks like a real "find".
752 case $HostPlatform in
754 if test x${OSTYPE} != xmsys
756 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
757 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
761 FindCmd="$fp_prog_find"
763 # Found a poor WinDoze version of "find", ignore it.
764 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
765 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
767 rm -f conftest.txt conftest.out
768 AC_SUBST([FindCmd])[]dnl
774 # Find a Unix-like sort
775 AC_DEFUN([FP_PROG_SORT],
776 [AC_PATH_PROG([fp_prog_sort], [sort])
777 echo conwip > conftest.txt
778 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
779 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
781 SortCmd="$fp_prog_sort"
783 # Summink else..pick next one.
784 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
785 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
787 rm -f conftest.txt conftest.out
788 AC_SUBST([SortCmd])[]dnl
792 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
793 dnl values of the second argument to the result of running
794 dnl the commands given by the third. It does not cache its
795 dnl result, so it is suitable for checks which should be
798 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
799 [AC_MSG_CHECKING([$1])
801 AC_MSG_RESULT([$][$2])
805 dnl FPTOOLS_GHC_VERSION(version)
806 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
807 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
809 dnl Test for version of installed ghc. Uses $GHC.
810 dnl [original version pinched from c2hs]
812 AC_DEFUN([FPTOOLS_GHC_VERSION],
813 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
814 ["${WithGhc-ghc}" --version > conftestghc 2>&1
815 cat conftestghc >&AS_MESSAGE_LOG_FD
816 #Useless Use Of cat award...
817 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
819 if test "[$]fptools_version_of_ghc" = ""
821 fptools_version_of_ghc='unknown'
823 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
824 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
825 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
827 if test "[$]fptools_version_of_ghc[_pl]" = ""
829 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
830 fptools_version_of_ghc[_pl]="0"
832 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
836 [$1]="[$]fptools_version_of_ghc[_all]"
838 [$1]="[$]fptools_version_of_ghc[_major]"
839 [$2]="[$]fptools_version_of_ghc[_minor]"
841 [$1]="[$]fptools_version_of_ghc[_major]"
842 [$2]="[$]fptools_version_of_ghc[_minor]"
843 [$3]="[$]fptools_version_of_ghc[_pl]"
845 [$1]="[$]fptools_version_of_ghc[_all]"
846 [$2]="[$]fptools_version_of_ghc[_major]"
847 [$3]="[$]fptools_version_of_ghc[_minor]"
848 [$4]="[$]fptools_version_of_ghc[_pl]"
854 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
855 # ---------------------------------------------------------------------------------
856 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
857 # additional flexibility of specifying the PROLOGUE and BODY.
858 AC_DEFUN([FP_CHECK_FUNC],
859 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
860 AC_CACHE_CHECK([for $1], fp_func,
861 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
862 [AS_VAR_SET(fp_func, yes)],
863 [AS_VAR_SET(fp_func, no)])])
864 AS_IF([test AS_VAR_GET(fp_func) = yes],
865 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
866 [Define to 1 if you have the `]$1[' function.]) $4],
868 AS_VAR_POPDEF([fp_func])dnl
874 # Generates a DocBook XML V4.5 document in conftest.xml.
876 # It took a lot of experimentation to find a document that will cause
877 # xsltproc to fail with an error code when the relevant
878 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
879 # a single-file document, it seems a multi-file document is needed.
882 AC_DEFUN([FP_GEN_DOCBOOK_XML],
883 [rm -f conftest.xml conftest-book.xml
884 cat > conftest.xml << EOF
885 <?xml version="1.0" encoding="iso-8859-1"?>
886 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
887 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
888 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
894 cat >conftest-book.xml << EOF
895 <?xml version="1.0" encoding="iso-8859-1"?>
896 <title>A DocBook “Test Document”</title>
897 <chapter id="id-one">
898 <title>A Chapter Title</title>
899 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
901 <chapter id="id-two">
902 <title>Another Chapter Title</title>
903 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
906 ]) # FP_GEN_DOCBOOK_XML
911 # Sets the output variable DblatexCmd to the full path of dblatex,
912 # which we use for building PDF and PS docs.
913 # DblatexCmd is empty if dblatex could not be found.
914 AC_DEFUN([FP_PROG_DBLATEX],
915 [AC_PATH_PROG([DblatexCmd], [dblatex])
916 if test -z "$DblatexCmd"; then
917 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
924 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
925 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
926 AC_DEFUN([FP_PROG_XSLTPROC],
927 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
928 if test -z "$XsltprocCmd"; then
929 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
935 # ----------------------------
936 # Check that we can process a DocBook XML document to HTML using xsltproc.
937 AC_DEFUN([FP_DOCBOOK_XSL],
938 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
939 if test -n "$XsltprocCmd"; then
940 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
942 fp_cv_dir_docbook_xsl=no
943 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
944 fp_cv_dir_docbook_xsl=yes
948 if test x"$fp_cv_dir_docbook_xsl" = xno; then
949 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
954 AC_SUBST([HAVE_DOCBOOK_XSL])
960 # Sets the output variable XmllintCmd to the full path of the XSLT processor
961 # xmllint. XmllintCmd is empty if xmllint could not be found.
962 AC_DEFUN([FP_PROG_XMLLINT],
963 [AC_PATH_PROG([XmllintCmd], [xmllint])
964 if test -z "$XmllintCmd"; then
965 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
970 # FP_CHECK_DOCBOOK_DTD
971 # --------------------
972 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
973 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
974 if test -n "$XmllintCmd"; then
975 AC_MSG_CHECKING([for DocBook DTD])
977 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
980 AC_MSG_RESULT([failed])
981 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
982 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
986 ])# FP_CHECK_DOCBOOK_DTD
991 # Generates a formatting objects document in conftest.fo.
992 AC_DEFUN([FP_GEN_FO],
994 cat > conftest.fo << EOF
995 <?xml version="1.0"?>
996 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
997 <fo:layout-master-set>
998 <fo:simple-page-master master-name="blank">
1000 </fo:simple-page-master>
1001 </fo:layout-master-set>
1002 <fo:page-sequence master-reference="blank">
1003 <fo:flow flow-name="xsl-region-body">
1016 # Set the output variable 'FopCmd' to the first working 'fop' in the current
1017 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
1018 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
1019 AC_DEFUN([FP_PROG_FOP],
1020 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
1021 if test -n "$FopCmd1"; then
1022 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
1024 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
1025 fp_cv_fop_usability=yes
1027 fp_cv_fop_usability=no
1030 if test x"$fp_cv_fop_usability" = xyes; then
1034 if test -z "$FopCmd"; then
1035 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
1044 # Sets the output variable HstagsCmd to the full Haskell tags program path.
1045 # HstagsCmd is empty if no such program could be found.
1046 AC_DEFUN([FP_PROG_HSTAGS],
1047 [AC_PATH_PROG([HstagsCmd], [hasktags])
1048 if test -z "$HstagsCmd"; then
1049 AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
1056 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
1057 # WithGhc. Sets the output variable GhcPkgCmd.
1058 AC_DEFUN([FP_PROG_GHC_PKG],
1059 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
1061 # If we are told to use ghc-stage2, then we're using an in-tree
1062 # compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
1063 # so we sed off -stage[0-9]$. However, if we are told to use
1064 # ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
1066 fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
1067 if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
1068 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1070 AC_MSG_ERROR([Cannot find matching ghc-pkg])
1072 GhcPkgCmd=$fp_cv_matching_ghc_pkg
1073 AC_SUBST([GhcPkgCmd])
1077 # FP_GCC_EXTRA_FLAGS
1078 # ------------------
1079 # Determine which extra flags we need to pass gcc when we invoke it
1080 # to compile .hc code.
1082 # Some OSs (Mandrake Linux, in particular) configure GCC with
1083 # -momit-leaf-frame-pointer on by default. If this is the case, we
1084 # need to turn it off for mangling to work. The test is currently a
1085 # bit crude, using only the version number of gcc.
1087 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
1088 # integer wrap around. (Trac #952)
1090 # -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
1091 # reordering things in the module and confusing the manger and/or splitter.
1094 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1095 [AC_REQUIRE([FP_HAVE_GCC])
1096 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
1097 [fp_cv_gcc_extra_opts=
1098 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1099 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
1101 case $TargetPlatform in
1103 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
1104 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
1106 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1107 [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1108 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1109 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
1114 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1115 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1120 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1124 # FP_SETUP_PROJECT_VERSION
1125 # ---------------------
1126 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1128 if test "$RELEASE" = "NO"; then
1129 AC_MSG_CHECKING([for GHC version date])
1130 if test -f VERSION_DATE; then
1131 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1132 AC_MSG_RESULT(given $PACKAGE_VERSION)
1133 elif test -d .git; then
1135 ver_date=`git log -n 1 --date=short --pretty=format:%ci | sed "s/^.*\([0-9][0-9][0-9][0-9]\)-\([0-9][0-9]\)-\([0-9][0-9]\).*$/\1\2\3/"`
1136 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
1137 changequote([, ])dnl
1138 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1140 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1141 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1142 elif test -d _darcs; then
1143 # TODO: Remove this branch after conversion to Git
1145 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`
1146 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
1147 changequote([, ])dnl
1148 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1150 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1151 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1152 elif test -f VERSION; then
1153 PACKAGE_VERSION=`cat VERSION`
1154 AC_MSG_RESULT(given $PACKAGE_VERSION)
1156 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1161 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1162 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1164 # Split PACKAGE_VERSION into (possibly empty) parts
1165 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1166 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1167 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1168 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1170 # Calculate project version as an integer, using 2 digits for minor version
1171 case $VERSION_MINOR in
1172 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1173 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1174 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1176 AC_SUBST([ProjectVersionInt])
1178 # The project patchlevel is zero unless stated otherwise
1179 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1181 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1182 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1184 AC_SUBST([ProjectPatchLevel])
1185 ])# FP_SETUP_PROJECT_VERSION
1188 # Check for a working timer_create(). We need a pretty detailed check
1189 # here, because there exist partially-working implementations of
1190 # timer_create() in certain versions of Linux (see bug #1933).
1192 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1193 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1194 [fptools_cv_timer_create_works],
1197 #ifdef HAVE_STDLIB_H
1203 #ifdef HAVE_SIGNAL_H
1206 #ifdef HAVE_UNISTD_H
1210 static volatile int tock = 0;
1211 static void handler(int i)
1216 static void timeout(int i)
1218 // timer_settime() has been known to hang, so just in case
1219 // we install a 1-second timeout (see #2257)
1223 int main(int argc, char *argv[])
1228 struct itimerspec it;
1229 struct sigaction action;
1232 ev.sigev_notify = SIGEV_SIGNAL;
1233 ev.sigev_signo = SIGVTALRM;
1235 action.sa_handler = handler;
1236 action.sa_flags = 0;
1237 sigemptyset(&action.sa_mask);
1238 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1239 fprintf(stderr,"SIGVTALRM problem\n");
1243 action.sa_handler = timeout;
1244 action.sa_flags = 0;
1245 sigemptyset(&action.sa_mask);
1246 if (sigaction(SIGALRM, &action, NULL) == -1) {
1247 fprintf(stderr,"SIGALRM problem\n");
1252 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1253 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1257 it.it_value.tv_sec = 0;
1258 it.it_value.tv_nsec = 1;
1259 it.it_interval = it.it_value;
1260 if (timer_settime(timer, 0, &it, NULL) != 0) {
1261 fprintf(stderr,"settime problem\n");
1267 for(n = 3; n < 20000; n++){
1268 for(m = 2; m <= n/2; m++){
1269 if (!(n%m)) count++;
1276 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1280 timer_delete(timer);
1282 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1283 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1287 it.it_value.tv_sec = 0;
1288 it.it_value.tv_nsec = 1000000;
1289 it.it_interval = it.it_value;
1290 if (timer_settime(timer, 0, &it, NULL) != 0) {
1291 fprintf(stderr,"settime problem\n");
1300 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1304 timer_delete(timer);
1309 [fptools_cv_timer_create_works=yes],
1310 [fptools_cv_timer_create_works=no])
1312 case $fptools_cv_timer_create_works in
1313 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1314 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1320 AC_DEFUN([FP_ICONV],
1322 dnl--------------------------------------------------------------------
1323 dnl * Deal with arguments telling us iconv is somewhere odd
1324 dnl--------------------------------------------------------------------
1326 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
1327 dnl to the empty string to allow them to be overridden from the
1330 AC_ARG_WITH([iconv-includes],
1331 [AC_HELP_STRING([--with-iconv-includes],
1332 [directory containing iconv.h])],
1333 [ICONV_INCLUDE_DIRS=$withval])
1335 AC_ARG_WITH([iconv-libraries],
1336 [AC_HELP_STRING([--with-iconv-libraries],
1337 [directory containing iconv library])],
1338 [ICONV_LIB_DIRS=$withval])
1340 AC_SUBST(ICONV_INCLUDE_DIRS)
1341 AC_SUBST(ICONV_LIB_DIRS)
1348 dnl--------------------------------------------------------------------
1349 dnl * Deal with arguments telling us gmp is somewhere odd
1350 dnl--------------------------------------------------------------------
1352 AC_ARG_WITH([gmp-includes],
1353 [AC_HELP_STRING([--with-gmp-includes],
1354 [directory containing gmp.h])],
1355 [GMP_INCLUDE_DIRS=$withval])
1357 AC_ARG_WITH([gmp-libraries],
1358 [AC_HELP_STRING([--with-gmp-libraries],
1359 [directory containing gmp library])],
1360 [GMP_LIB_DIRS=$withval])
1362 AC_SUBST(GMP_INCLUDE_DIRS)
1363 AC_SUBST(GMP_LIB_DIRS)
1366 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1367 # ---------------------------------
1368 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1370 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1371 AC_MSG_CHECKING([Mac OS X deployment target])
1372 case $FP_MACOSX_DEPLOYMENT_TARGET in
1374 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1375 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1377 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1378 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1380 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1381 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1384 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1387 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1388 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1390 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1395 # --------------------------------------------------------------
1396 # Calculate absolute path to build tree
1397 # --------------------------------------------------------------
1399 AC_DEFUN([FP_INTREE_GHC_PWD],[
1400 AC_MSG_NOTICE(Building in-tree ghc-pwd)
1402 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1403 dnl except we don't want to have to know what make is called. Sigh.
1404 rm -rf utils/ghc-pwd/dist-boot
1405 mkdir utils/ghc-pwd/dist-boot
1406 if ! "$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
1408 AC_MSG_ERROR([Building ghc-pwd failed])
1411 GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
1414 AC_DEFUN([FP_BINDIST_GHC_PWD],[
1415 GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
1418 AC_DEFUN([FP_FIND_ROOT],[
1419 AC_MSG_CHECKING(for path to top of build tree)
1422 dnl Remove common automounter nonsense
1423 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1425 if ! test -d "$hardtop"; then
1426 AC_MSG_ERROR([cannot determine current directory])
1429 dnl We don't support building in directories with spaces.
1433 The build system does not support building in a directory
1434 containing space characters.
1435 Suggestion: move the build tree somewhere else.])
1441 AC_MSG_RESULT($hardtop)
1444 # GHC_CONVERT_CPU(cpu, target_var)
1445 # --------------------------------
1446 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1447 AC_DEFUN([GHC_CONVERT_CPU],[
1504 echo "Unknown CPU $1"
1510 # GHC_CONVERT_VENDOR(vendor, target_var)
1511 # --------------------------------
1512 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1513 AC_DEFUN([GHC_CONVERT_VENDOR],[
1517 # GHC_CONVERT_OS(os, target_var)
1518 # --------------------------------
1519 # converts os from gnu to ghc naming, and assigns the result to $target_var
1520 AC_DEFUN([GHC_CONVERT_OS],[
1525 # As far as I'm aware, none of these have relevant variants
1526 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1530 echo "Unknown OS $1"
1536 # LIBRARY_VERSION(lib)
1537 # --------------------------------
1538 # Gets the version number of a library.
1539 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1540 AC_DEFUN([LIBRARY_VERSION],[
1541 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1542 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)