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"
114 # If gcc knows about the stack protector, turn it off.
115 # Otherwise the stack-smash handler gets triggered.
116 echo 'int main(void) {return 0;}' > conftest.c
117 if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
119 $2="$$2 -fno-stack-protector"
121 rm -f conftest.c conftest.o
122 AC_MSG_RESULT([done])
126 # FP_VISIBILITY_HIDDEN
127 # ----------------------------------
128 # Is the visibility hidden attribute supported?
129 AC_DEFUN([FP_VISIBILITY_HIDDEN],
131 AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
132 echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
133 if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
136 AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
140 rm -f conftest.c conftest.o
144 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
145 # ----------------------------------
146 # Little endian Arm on Linux with some ABIs has big endian word order
147 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
148 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
149 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
152 [#include <endian.h>],
153 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
156 not float word order big endian
159 [fptools_cv_float_word_order_bigendian=yes],
160 [fptools_cv_float_word_order_bigendian=no])
162 case $fptools_cv_float_word_order_bigendian in
164 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
165 [Define to 1 if your processor stores words of floats with
166 the most significant byte first]) ;;
171 # FP_EVAL_STDERR(COMMAND)
172 # -----------------------
173 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
174 # into the file conftest.err and the exit status in the variable fp_status.
175 AC_DEFUN([FP_EVAL_STDERR],
176 [{ (eval $1) 2>conftest.er1
178 grep -v '^ *+' conftest.er1 >conftest.err
180 (exit $fp_status); }[]dnl
184 # FP_ARG_WITH_PATH_GNU_PROG
185 # --------------------
188 # $1 = the command to look for
189 # $2 = the variable to set
191 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
194 [AC_HELP_STRING([--with-$2=ARG],
195 [Use ARG as the path to $2 [default=autodetect]])],
197 if test "$HostOS" = "mingw32"
199 AC_MSG_WARN([Request to use $withval will be ignored])
205 if test "$HostOS" != "mingw32"
207 AC_PATH_PROG([$1], [$2])
210 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
215 ]) # FP_ARG_WITH_PATH_GNU_PROG
218 # FP_PROG_CONTEXT_DIFF
219 # --------------------
220 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
222 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
224 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
225 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
226 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
227 [echo foo > conftest1
229 fp_cv_context_diff=no
230 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
232 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
233 fp_cv_context_diff="diff $fp_var"
237 if test x"$fp_cv_context_diff" = xno; then
238 AC_MSG_ERROR([cannot figure out how to do context diffs])
240 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
241 ])# FP_PROG_CONTEXT_DIFF
244 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
245 # --------------------------------------------------------
246 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
247 # compilation. Execute IF-FAILS when unable to determine the value. Works for
248 # cross-compilation, too.
250 # Implementation note: We are lazy and use an internal autoconf macro, but it
251 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
253 AC_DEFUN([FP_COMPUTE_INT],
254 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
258 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
259 # ------------------------------------------------------------------
260 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
261 # given type. Defines ALIGNMENT_TYPE.
262 AC_DEFUN([FP_CHECK_ALIGNMENT],
263 [AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
264 [AC_FATAL([$0: requires literal arguments])])[]dnl
265 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
266 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
267 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
268 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
269 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
271 [AC_INCLUDES_DEFAULT([$3])],
272 [AC_MSG_ERROR([cannot compute alignment ($1)
273 See `config.log' for more details.], [77])])
277 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
278 m4_popdef([fp_Cache])[]dnl
279 ])# FP_CHECK_ALIGNMENT
282 # FP_LEADING_UNDERSCORE
283 # ---------------------
284 # Test for determining whether symbol names have a leading underscore. We assume
285 # that they _haven't_ if anything goes wrong. Sets the output variable
286 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
288 # Some nlist implementations seem to try to be compatible by ignoring a leading
289 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
290 # checking for *no* leading underscore first. Sigh. --SDM
292 # Similarly on OpenBSD, but this test doesn't help. -- dons
293 AC_DEFUN([FP_LEADING_UNDERSCORE],
294 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
295 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
296 # Hack!: nlist() under Digital UNIX insist on there being an _,
297 # but symbol table listings shows none. What is going on here?!?
299 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
300 # the underscoredness of that "platform"
301 case $HostPlatform in
302 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
304 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
305 *) fptools_cv_leading_underscore=no ;;
307 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
308 *cygwin32) fptools_cv_leading_underscore=yes;;
309 *mingw32) fptools_cv_leading_underscore=yes;;
311 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
312 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
314 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
316 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
317 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
325 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
327 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
331 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
334 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
335 if test x"$fptools_cv_leading_underscore" = xyes; then
336 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
337 fi])# FP_LEADING_UNDERSCORE
340 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
341 # ----------------------------------------------------------------------------------
342 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
343 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
344 AC_DEFUN([FP_COMPARE_VERSIONS],
345 [fp_version1=$1; fp_version2=$3
346 fp_save_IFS=$IFS; IFS='.'
347 while test x"$fp_version1" != x || test x"$fp_version2" != x
350 set dummy $fp_version1; shift
352 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
353 test x"$fp_num1" = x && fp_num1="0"
356 set dummy $fp_version2; shift
358 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
359 test x"$fp_num2" = x && fp_num2="0"
362 test "$fp_num1" = "$fp_num2" || break;
365 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
366 ])# FP_COMPARE_VERSIONS
370 dnl Check for GreenCard and version.
372 AC_DEFUN([FPTOOLS_GREENCARD],
374 AC_PATH_PROG(GreenCardCmd,greencard)
375 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
377 [if test x"$GreenCardCmd" != x; then
378 fptools_cv_greencard_version="`$GreenCardCmd --version |
379 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
381 fptools_cv_greencard_version=""
385 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
386 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
387 GreenCardVersion=$fptools_cv_greencard_version
388 AC_SUBST(GreenCardVersion)
392 dnl Check for Happy and version. If we're building GHC, then we need
393 dnl at least Happy version 1.14. If there's no installed Happy, we look
394 dnl for a happy source tree and point the build system at that instead.
396 AC_DEFUN([FPTOOLS_HAPPY],
397 [AC_PATH_PROG(HappyCmd,happy,)
398 # Happy is passed to Cabal, so we need a native path
399 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
400 test "${OSTYPE}" != "msys" && \
401 test "${HappyCmd}" != ""
403 # Canonicalise to <drive>:/path/to/gcc
404 HappyCmd=`cygpath -m "${HappyCmd}"`
405 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
408 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
410 [if test x"$HappyCmd" != x; then
411 fptools_cv_happy_version=`"$HappyCmd" -v |
412 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
414 fptools_cv_happy_version="";
418 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
420 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
421 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
423 HappyVersion=$fptools_cv_happy_version;
424 AC_SUBST(HappyVersion)
428 dnl Check for Alex and version. If we're building GHC, then we need
429 dnl at least Alex version 2.0.1.
431 AC_DEFUN([FPTOOLS_ALEX],
433 AC_PATH_PROG(AlexCmd,alex,)
434 # Alex is passed to Cabal, so we need a native path
435 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
436 test "${OSTYPE}" != "msys" && \
437 test "${AlexCmd}" != ""
439 # Canonicalise to <drive>:/path/to/gcc
440 AlexCmd=`cygpath -m "${AlexCmd}"`
443 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
445 [if test x"$AlexCmd" != x; then
446 fptools_cv_alex_version=`"$AlexCmd" -v |
447 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
449 fptools_cv_alex_version="";
453 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
455 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
456 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
458 AlexVersion=$fptools_cv_alex_version;
459 AC_SUBST(AlexVersion)
465 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
466 # variable's value is empty.
467 AC_DEFUN([FP_PROG_LD_X],
469 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
470 [echo 'foo() {}' > conftest.c
471 ${CC-cc} -c conftest.c
472 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
478 if test "$fp_cv_ld_x" = yes; then
487 # FP_PROG_LD_BUILD_ID
490 # Sets the output variable LdHasBuildId to YES if ld supports
491 # --build-id, or NO otherwise.
492 AC_DEFUN([FP_PROG_LD_BUILD_ID],
494 AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
495 [echo 'foo() {}' > conftest.c
496 ${CC-cc} -c conftest.c
497 if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
498 fp_cv_ld_build_id=yes
503 if test "$fp_cv_ld_build_id" = yes; then
508 AC_SUBST([LdHasBuildId])
509 ])# FP_PROG_LD_BUILD_ID
514 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
516 AC_DEFUN([FP_PROG_LD_IS_GNU],
518 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
519 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
524 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
525 ])# FP_PROG_LD_IS_GNU
530 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
531 # version of it. Exits if no ar can be found
532 AC_DEFUN([FP_PROG_AR],
533 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
534 if test -z "$fp_prog_ar_raw"; then
535 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
537 fp_prog_ar="$fp_prog_ar_raw"
538 case $HostPlatform in
539 *mingw32) if test x${OSTYPE} != xmsys; then
540 fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
541 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
550 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
551 AC_DEFUN([FP_PROG_AR_IS_GNU],
552 [AC_REQUIRE([FP_PROG_AR])
553 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
554 [if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
555 fp_cv_prog_ar_is_gnu=yes
557 fp_cv_prog_ar_is_gnu=no
559 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
560 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
561 ])# FP_PROG_AR_IS_GNU
564 # FP_PROG_AR_SUPPORTS_ATFILE
566 # Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
567 # or not it supports the @file syntax
568 AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
569 [AC_REQUIRE([FP_PROG_AR])
570 AC_REQUIRE([FP_PROG_AR_ARGS])
571 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
575 echo conftest.file > conftest.atfile
576 echo conftest.file >> conftest.atfile
577 "$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
578 fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
580 if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
582 fp_cv_prog_ar_supports_atfile=yes
584 fp_cv_prog_ar_supports_atfile=no
586 fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
587 AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
588 ])# FP_PROG_AR_SUPPORTS_ATFILE
592 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
593 # to a non-Cygwin invocation of ar including these arguments.
594 AC_DEFUN([FP_PROG_AR_ARGS],
595 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
596 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
598 # GNU ar needs special treatment: it appears to have problems with
599 # object files with the same name if you use the 's' modifier, but
600 # simple 'ar q' works fine, and doesn't need a separate ranlib.
601 if test $fp_prog_ar_is_gnu = yes; then
602 fp_cv_prog_ar_args="q"
605 for fp_var in clqsZ clqs cqs clq cq ; do
607 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
608 fp_cv_prog_ar_args=$fp_var
613 if test -z "$fp_cv_prog_ar_args"; then
614 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
617 fp_prog_ar_args=$fp_cv_prog_ar_args
618 AC_SUBST([ArCmd], ["$fp_prog_ar"])
619 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
624 # FP_PROG_AR_NEEDS_RANLIB
625 # -----------------------
626 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
628 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
629 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
630 AC_REQUIRE([FP_PROG_AR_ARGS])
631 AC_REQUIRE([AC_PROG_CC])
632 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
633 [if test $fp_prog_ar_is_gnu = yes; then
634 fp_cv_prog_ar_needs_ranlib=no
635 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
636 # It's quite tedious to check for Apple's crazy timestamps in .a files,
638 fp_cv_prog_ar_needs_ranlib=yes
639 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
640 fp_cv_prog_ar_needs_ranlib=no
642 fp_cv_prog_ar_needs_ranlib=yes
644 if test $fp_cv_prog_ar_needs_ranlib = yes; then
650 ])# FP_PROG_AR_NEEDS_RANLIB
653 # FP_PROG_AR_SUPPORTS_INPUT
654 # -------------------------
655 # Sets the output variable ArSupportsInput to "-input" or "", depending on
656 # whether ar supports -input flag is supported or not.
657 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
658 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
659 AC_REQUIRE([FP_PROG_AR_ARGS])
660 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
661 [fp_cv_prog_ar_supports_input=no
662 if test $fp_prog_ar_is_gnu = no; then
665 if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
666 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
670 if test $fp_cv_prog_ar_supports_input = yes; then
671 ArSupportsInput="-input"
675 AC_SUBST([ArSupportsInput])
676 ])# FP_PROG_AR_SUPPORTS_INPUT
680 dnl AC_SHEBANG_PERL - can we she-bang perl?
682 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
683 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
688 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
689 if test $? -ne 69; then
690 fptools_cv_shebang_perl=yes
692 fptools_cv_shebang_perl=no
700 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
701 # output variables HaveGcc and GccVersion.
702 AC_DEFUN([FP_HAVE_GCC],
703 [AC_REQUIRE([AC_PROG_CC])
704 if test -z "$GCC"; then
709 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
710 AC_MSG_ERROR([gcc is required])
713 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
714 [if test "$fp_have_gcc" = "YES"; then
715 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
716 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
717 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
718 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
719 # isn't a very good reason for that, but for now just make configure
721 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
723 fp_cv_gcc_version="not-installed"
726 AC_SUBST([HaveGcc], [$fp_have_gcc])
727 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
731 dnl Small feature test for perl version. Assumes PerlCmd
732 dnl contains path to perl binary.
734 dnl (Perl versions prior to v5.6 does not contain the string "v5";
735 dnl instead they display version strings such as "version 5.005".)
737 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
738 [$PerlCmd -v >conftest.out 2>&1
739 if grep "v5" conftest.out >/dev/null 2>&1; then
742 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
748 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
749 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
750 # -----------------------------------------------------
751 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
752 # of PROG-TO-CHECK-FOR when found.
753 AC_DEFUN([FP_CHECK_PROG],
754 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
760 # Find a non-WinDoze version of the "find" utility.
761 AC_DEFUN([FP_PROG_FIND],
762 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
763 echo foo > conftest.txt
764 $fp_prog_find conftest.txt -print > conftest.out 2>&1
765 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
766 # OK, looks like a real "find".
767 case $HostPlatform in
769 if test x${OSTYPE} != xmsys
771 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
772 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
776 FindCmd="$fp_prog_find"
778 # Found a poor WinDoze version of "find", ignore it.
779 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
780 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
782 rm -f conftest.txt conftest.out
783 AC_SUBST([FindCmd])[]dnl
789 # Find a Unix-like sort
790 AC_DEFUN([FP_PROG_SORT],
791 [AC_PATH_PROG([fp_prog_sort], [sort])
792 echo conwip > conftest.txt
793 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
794 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
796 SortCmd="$fp_prog_sort"
798 # Summink else..pick next one.
799 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
800 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
802 rm -f conftest.txt conftest.out
803 AC_SUBST([SortCmd])[]dnl
807 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
808 dnl values of the second argument to the result of running
809 dnl the commands given by the third. It does not cache its
810 dnl result, so it is suitable for checks which should be
813 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
814 [AC_MSG_CHECKING([$1])
816 AC_MSG_RESULT([$][$2])
820 dnl FPTOOLS_GHC_VERSION(version)
821 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
822 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
824 dnl Test for version of installed ghc. Uses $GHC.
825 dnl [original version pinched from c2hs]
827 AC_DEFUN([FPTOOLS_GHC_VERSION],
828 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
829 ["${WithGhc-ghc}" --version > conftestghc 2>&1
830 cat conftestghc >&AS_MESSAGE_LOG_FD
831 #Useless Use Of cat award...
832 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
834 if test "[$]fptools_version_of_ghc" = ""
836 fptools_version_of_ghc='unknown'
838 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
839 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
840 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
842 if test "[$]fptools_version_of_ghc[_pl]" = ""
844 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
845 fptools_version_of_ghc[_pl]="0"
847 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
851 [$1]="[$]fptools_version_of_ghc[_all]"
853 [$1]="[$]fptools_version_of_ghc[_major]"
854 [$2]="[$]fptools_version_of_ghc[_minor]"
856 [$1]="[$]fptools_version_of_ghc[_major]"
857 [$2]="[$]fptools_version_of_ghc[_minor]"
858 [$3]="[$]fptools_version_of_ghc[_pl]"
860 [$1]="[$]fptools_version_of_ghc[_all]"
861 [$2]="[$]fptools_version_of_ghc[_major]"
862 [$3]="[$]fptools_version_of_ghc[_minor]"
863 [$4]="[$]fptools_version_of_ghc[_pl]"
869 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
870 # ---------------------------------------------------------------------------------
871 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
872 # additional flexibility of specifying the PROLOGUE and BODY.
873 AC_DEFUN([FP_CHECK_FUNC],
874 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
875 AC_CACHE_CHECK([for $1], fp_func,
876 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
877 [AS_VAR_SET(fp_func, yes)],
878 [AS_VAR_SET(fp_func, no)])])
879 AS_IF([test AS_VAR_GET(fp_func) = yes],
880 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
881 [Define to 1 if you have the `]$1[' function.]) $4],
883 AS_VAR_POPDEF([fp_func])dnl
889 # Generates a DocBook XML V4.5 document in conftest.xml.
891 # It took a lot of experimentation to find a document that will cause
892 # xsltproc to fail with an error code when the relevant
893 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
894 # a single-file document, it seems a multi-file document is needed.
897 AC_DEFUN([FP_GEN_DOCBOOK_XML],
898 [rm -f conftest.xml conftest-book.xml
899 cat > conftest.xml << EOF
900 <?xml version="1.0" encoding="iso-8859-1"?>
901 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
902 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
903 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
909 cat >conftest-book.xml << EOF
910 <?xml version="1.0" encoding="iso-8859-1"?>
911 <title>A DocBook “Test Document”</title>
912 <chapter id="id-one">
913 <title>A Chapter Title</title>
914 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
916 <chapter id="id-two">
917 <title>Another Chapter Title</title>
918 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
921 ]) # FP_GEN_DOCBOOK_XML
926 # Sets the output variable DblatexCmd to the full path of dblatex,
927 # which we use for building PDF and PS docs.
928 # DblatexCmd is empty if dblatex could not be found.
929 AC_DEFUN([FP_PROG_DBLATEX],
930 [AC_PATH_PROG([DblatexCmd], [dblatex])
931 if test -z "$DblatexCmd"; then
932 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
939 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
940 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
941 AC_DEFUN([FP_PROG_XSLTPROC],
942 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
943 if test -z "$XsltprocCmd"; then
944 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
950 # ----------------------------
951 # Check that we can process a DocBook XML document to HTML using xsltproc.
952 AC_DEFUN([FP_DOCBOOK_XSL],
953 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
954 if test -n "$XsltprocCmd"; then
955 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
957 fp_cv_dir_docbook_xsl=no
958 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
959 fp_cv_dir_docbook_xsl=yes
963 if test x"$fp_cv_dir_docbook_xsl" = xno; then
964 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
969 AC_SUBST([HAVE_DOCBOOK_XSL])
975 # Sets the output variable XmllintCmd to the full path of the XSLT processor
976 # xmllint. XmllintCmd is empty if xmllint could not be found.
977 AC_DEFUN([FP_PROG_XMLLINT],
978 [AC_PATH_PROG([XmllintCmd], [xmllint])
979 if test -z "$XmllintCmd"; then
980 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
985 # FP_CHECK_DOCBOOK_DTD
986 # --------------------
987 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
988 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
989 if test -n "$XmllintCmd"; then
990 AC_MSG_CHECKING([for DocBook DTD])
992 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
995 AC_MSG_RESULT([failed])
996 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
997 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
1001 ])# FP_CHECK_DOCBOOK_DTD
1005 # ------------------
1006 # Generates a formatting objects document in conftest.fo.
1007 AC_DEFUN([FP_GEN_FO],
1009 cat > conftest.fo << EOF
1010 <?xml version="1.0"?>
1011 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
1012 <fo:layout-master-set>
1013 <fo:simple-page-master master-name="blank">
1015 </fo:simple-page-master>
1016 </fo:layout-master-set>
1017 <fo:page-sequence master-reference="blank">
1018 <fo:flow flow-name="xsl-region-body">
1031 # Set the output variable 'FopCmd' to the first working 'fop' in the current
1032 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
1033 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
1034 AC_DEFUN([FP_PROG_FOP],
1035 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
1036 if test -n "$FopCmd1"; then
1037 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
1039 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
1040 fp_cv_fop_usability=yes
1042 fp_cv_fop_usability=no
1045 if test x"$fp_cv_fop_usability" = xyes; then
1049 if test -z "$FopCmd"; then
1050 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
1059 # Sets the output variable HstagsCmd to the full Haskell tags program path.
1060 # HstagsCmd is empty if no such program could be found.
1061 AC_DEFUN([FP_PROG_HSTAGS],
1062 [AC_PATH_PROG([HstagsCmd], [hasktags])
1063 if test -z "$HstagsCmd"; then
1064 AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
1071 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
1072 # WithGhc. Sets the output variable GhcPkgCmd.
1073 AC_DEFUN([FP_PROG_GHC_PKG],
1074 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
1076 # If we are told to use ghc-stage2, then we're using an in-tree
1077 # compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
1078 # so we sed off -stage[0-9]$. However, if we are told to use
1079 # ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
1081 fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
1082 if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
1083 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1085 AC_MSG_ERROR([Cannot find matching ghc-pkg])
1087 GhcPkgCmd=$fp_cv_matching_ghc_pkg
1088 AC_SUBST([GhcPkgCmd])
1092 # FP_GCC_EXTRA_FLAGS
1093 # ------------------
1094 # Determine which extra flags we need to pass gcc when we invoke it
1095 # to compile .hc code.
1097 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
1098 # integer wrap around. (Trac #952)
1100 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1101 [AC_REQUIRE([FP_HAVE_GCC])
1102 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
1103 [fp_cv_gcc_extra_opts=
1104 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1105 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
1108 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1112 # FP_SETUP_PROJECT_VERSION
1113 # ---------------------
1114 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1116 if test "$RELEASE" = "NO"; then
1117 AC_MSG_CHECKING([for GHC version date])
1118 if test -f VERSION_DATE; then
1119 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1120 AC_MSG_RESULT(given $PACKAGE_VERSION)
1121 elif test -d .git; then
1123 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/"`
1124 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
1125 changequote([, ])dnl
1126 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1128 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1129 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1130 elif test -d _darcs; then
1131 # TODO: Remove this branch after conversion to Git
1133 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`
1134 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
1135 changequote([, ])dnl
1136 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1138 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1139 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1140 elif test -f VERSION; then
1141 PACKAGE_VERSION=`cat VERSION`
1142 AC_MSG_RESULT(given $PACKAGE_VERSION)
1144 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1149 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1150 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1152 # Split PACKAGE_VERSION into (possibly empty) parts
1153 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1154 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1155 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1156 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1158 # Calculate project version as an integer, using 2 digits for minor version
1159 case $VERSION_MINOR in
1160 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1161 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1162 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1164 AC_SUBST([ProjectVersionInt])
1166 # The project patchlevel is zero unless stated otherwise
1167 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1169 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1170 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1172 AC_SUBST([ProjectPatchLevel])
1173 ])# FP_SETUP_PROJECT_VERSION
1176 # Check for a working timer_create(). We need a pretty detailed check
1177 # here, because there exist partially-working implementations of
1178 # timer_create() in certain versions of Linux (see bug #1933).
1180 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1181 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1182 [fptools_cv_timer_create_works],
1185 #ifdef HAVE_STDLIB_H
1191 #ifdef HAVE_SIGNAL_H
1194 #ifdef HAVE_UNISTD_H
1198 static volatile int tock = 0;
1199 static void handler(int i)
1204 static void timeout(int i)
1206 // timer_settime() has been known to hang, so just in case
1207 // we install a 1-second timeout (see #2257)
1211 int main(int argc, char *argv[])
1216 struct itimerspec it;
1217 struct sigaction action;
1220 ev.sigev_notify = SIGEV_SIGNAL;
1221 ev.sigev_signo = SIGVTALRM;
1223 action.sa_handler = handler;
1224 action.sa_flags = 0;
1225 sigemptyset(&action.sa_mask);
1226 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1227 fprintf(stderr,"SIGVTALRM problem\n");
1231 action.sa_handler = timeout;
1232 action.sa_flags = 0;
1233 sigemptyset(&action.sa_mask);
1234 if (sigaction(SIGALRM, &action, NULL) == -1) {
1235 fprintf(stderr,"SIGALRM problem\n");
1240 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1241 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1245 it.it_value.tv_sec = 0;
1246 it.it_value.tv_nsec = 1;
1247 it.it_interval = it.it_value;
1248 if (timer_settime(timer, 0, &it, NULL) != 0) {
1249 fprintf(stderr,"settime problem\n");
1255 for(n = 3; n < 20000; n++){
1256 for(m = 2; m <= n/2; m++){
1257 if (!(n%m)) count++;
1264 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1268 timer_delete(timer);
1270 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1271 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1275 it.it_value.tv_sec = 0;
1276 it.it_value.tv_nsec = 1000000;
1277 it.it_interval = it.it_value;
1278 if (timer_settime(timer, 0, &it, NULL) != 0) {
1279 fprintf(stderr,"settime problem\n");
1288 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1292 timer_delete(timer);
1297 [fptools_cv_timer_create_works=yes],
1298 [fptools_cv_timer_create_works=no])
1300 case $fptools_cv_timer_create_works in
1301 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1302 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1308 AC_DEFUN([FP_ICONV],
1310 dnl--------------------------------------------------------------------
1311 dnl * Deal with arguments telling us iconv is somewhere odd
1312 dnl--------------------------------------------------------------------
1314 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
1315 dnl to the empty string to allow them to be overridden from the
1318 AC_ARG_WITH([iconv-includes],
1319 [AC_HELP_STRING([--with-iconv-includes],
1320 [directory containing iconv.h])],
1321 [ICONV_INCLUDE_DIRS=$withval])
1323 AC_ARG_WITH([iconv-libraries],
1324 [AC_HELP_STRING([--with-iconv-libraries],
1325 [directory containing iconv library])],
1326 [ICONV_LIB_DIRS=$withval])
1328 AC_SUBST(ICONV_INCLUDE_DIRS)
1329 AC_SUBST(ICONV_LIB_DIRS)
1336 dnl--------------------------------------------------------------------
1337 dnl * Deal with arguments telling us gmp is somewhere odd
1338 dnl--------------------------------------------------------------------
1340 AC_ARG_WITH([gmp-includes],
1341 [AC_HELP_STRING([--with-gmp-includes],
1342 [directory containing gmp.h])],
1343 [GMP_INCLUDE_DIRS=$withval])
1345 AC_ARG_WITH([gmp-libraries],
1346 [AC_HELP_STRING([--with-gmp-libraries],
1347 [directory containing gmp library])],
1348 [GMP_LIB_DIRS=$withval])
1350 AC_SUBST(GMP_INCLUDE_DIRS)
1351 AC_SUBST(GMP_LIB_DIRS)
1354 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1355 # ---------------------------------
1356 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1358 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1359 AC_MSG_CHECKING([Mac OS X deployment target])
1360 case $FP_MACOSX_DEPLOYMENT_TARGET in
1362 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1363 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1365 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1366 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1368 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1369 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1372 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1375 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1376 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1378 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1383 # --------------------------------------------------------------
1384 # Calculate absolute path to build tree
1385 # --------------------------------------------------------------
1387 AC_DEFUN([FP_INTREE_GHC_PWD],[
1388 AC_MSG_NOTICE(Building in-tree ghc-pwd)
1390 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1391 dnl except we don't want to have to know what make is called. Sigh.
1392 rm -rf utils/ghc-pwd/dist-boot
1393 mkdir utils/ghc-pwd/dist-boot
1394 if ! "$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
1396 AC_MSG_ERROR([Building ghc-pwd failed])
1399 GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
1402 AC_DEFUN([FP_BINDIST_GHC_PWD],[
1403 GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
1406 AC_DEFUN([FP_FIND_ROOT],[
1407 AC_MSG_CHECKING(for path to top of build tree)
1410 dnl Remove common automounter nonsense
1411 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1413 if ! test -d "$hardtop"; then
1414 AC_MSG_ERROR([cannot determine current directory])
1417 dnl We don't support building in directories with spaces.
1421 The build system does not support building in a directory
1422 containing space characters.
1423 Suggestion: move the build tree somewhere else.])
1429 AC_MSG_RESULT($hardtop)
1432 # GHC_CONVERT_CPU(cpu, target_var)
1433 # --------------------------------
1434 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1435 AC_DEFUN([GHC_CONVERT_CPU],[
1449 i386|i486|i586|i686)
1492 echo "Unknown CPU $1"
1498 # GHC_CONVERT_VENDOR(vendor, target_var)
1499 # --------------------------------
1500 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1501 AC_DEFUN([GHC_CONVERT_VENDOR],[
1503 pc|gentoo) # like i686-pc-linux-gnu and i686-gentoo-freebsd8
1507 #pass thru by default
1513 # GHC_CONVERT_OS(os, target_var)
1514 # --------------------------------
1515 # converts os from gnu to ghc naming, and assigns the result to $target_var
1516 AC_DEFUN([GHC_CONVERT_OS],[
1521 # As far as I'm aware, none of these have relevant variants
1522 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1525 freebsd8) # like i686-gentoo-freebsd8
1529 echo "Unknown OS $1"
1535 # LIBRARY_VERSION(lib)
1536 # --------------------------------
1537 # Gets the version number of a library.
1538 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1539 AC_DEFUN([LIBRARY_VERSION],[
1540 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1541 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)