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_C_LD_FLAGS
8 # ----------------------------------
9 # Set the C, LD and CPP flags for a given platform
11 # $2 is the name of the C flags variable
12 # $3 is the name of the LD flags variable
13 # $4 is the name of the CPP flags variable
14 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
16 AC_MSG_CHECKING([Setting up $2, $3 and $4])
19 # By default, gcc on OS X will generate SSE
20 # instructions, which need things 16-byte aligned,
21 # but we don't 16-byte align things. Thus drop
22 # back to generic i686 compatibility. Trac #2983.
23 $2="$$2 -march=i686 -m32"
24 $3="$$3 -march=i686 -m32"
25 $4="$$4 -march=i686 -m32"
35 i386-apple-darwin|x86_64-apple-darwin)
36 # We support back to OS X 10.5
37 $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
38 $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
39 $4="$$4 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
43 # If gcc knows about the stack protector, turn it off.
44 # Otherwise the stack-smash handler gets triggered.
45 echo 'int main(void) {return 0;}' > conftest.c
46 if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
48 $2="$$2 -fno-stack-protector"
50 rm -f conftest.c conftest.o
55 # FP_VISIBILITY_HIDDEN
56 # ----------------------------------
57 # Is the visibility hidden attribute supported?
58 AC_DEFUN([FP_VISIBILITY_HIDDEN],
60 AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
61 echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
62 if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
65 AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
69 rm -f conftest.c conftest.o
73 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
74 # ----------------------------------
75 # Little endian Arm on Linux with some ABIs has big endian word order
76 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
77 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
78 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
81 [#include <endian.h>],
82 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
85 not float word order big endian
88 [fptools_cv_float_word_order_bigendian=yes],
89 [fptools_cv_float_word_order_bigendian=no])
91 case $fptools_cv_float_word_order_bigendian in
93 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
94 [Define to 1 if your processor stores words of floats with
95 the most significant byte first]) ;;
100 # FP_EVAL_STDERR(COMMAND)
101 # -----------------------
102 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
103 # into the file conftest.err and the exit status in the variable fp_status.
104 AC_DEFUN([FP_EVAL_STDERR],
105 [{ (eval $1) 2>conftest.er1
107 grep -v '^ *+' conftest.er1 >conftest.err
109 (exit $fp_status); }[]dnl
113 # FP_ARG_WITH_PATH_GNU_PROG
114 # --------------------
117 # $1 = the command to look for
118 # $2 = the variable to set
120 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
123 [AC_HELP_STRING([--with-$2=ARG],
124 [Use ARG as the path to $2 [default=autodetect]])],
126 if test "$HostOS" = "mingw32"
128 AC_MSG_WARN([Request to use $withval will be ignored])
134 if test "$HostOS" != "mingw32"
136 AC_PATH_PROG([$1], [$2])
139 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
144 ]) # FP_ARG_WITH_PATH_GNU_PROG
147 # FP_PROG_CONTEXT_DIFF
148 # --------------------
149 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
151 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
153 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
154 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
155 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
156 [echo foo > conftest1
158 fp_cv_context_diff=no
159 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
161 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
162 fp_cv_context_diff="diff $fp_var"
166 if test x"$fp_cv_context_diff" = xno; then
167 AC_MSG_ERROR([cannot figure out how to do context diffs])
169 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
170 ])# FP_PROG_CONTEXT_DIFF
173 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
174 # --------------------------------------------------------
175 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
176 # compilation. Execute IF-FAILS when unable to determine the value. Works for
177 # cross-compilation, too.
179 # Implementation note: We are lazy and use an internal autoconf macro, but it
180 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
182 AC_DEFUN([FP_COMPUTE_INT],
183 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
187 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
188 # ------------------------------------------------------------------
189 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
190 # given type. Defines ALIGNMENT_TYPE.
191 AC_DEFUN([FP_CHECK_ALIGNMENT],
192 [AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
193 [AC_FATAL([$0: requires literal arguments])])[]dnl
194 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
195 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
196 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
197 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
198 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
200 [AC_INCLUDES_DEFAULT([$3])],
201 [AC_MSG_ERROR([cannot compute alignment ($1)
202 See `config.log' for more details.], [77])])
206 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
207 m4_popdef([fp_Cache])[]dnl
208 ])# FP_CHECK_ALIGNMENT
211 # FP_LEADING_UNDERSCORE
212 # ---------------------
213 # Test for determining whether symbol names have a leading underscore. We assume
214 # that they _haven't_ if anything goes wrong. Sets the output variable
215 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
217 # Some nlist implementations seem to try to be compatible by ignoring a leading
218 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
219 # checking for *no* leading underscore first. Sigh. --SDM
221 # Similarly on OpenBSD, but this test doesn't help. -- dons
222 AC_DEFUN([FP_LEADING_UNDERSCORE],
223 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
224 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
225 # Hack!: nlist() under Digital UNIX insist on there being an _,
226 # but symbol table listings shows none. What is going on here?!?
228 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
229 # the underscoredness of that "platform"
230 case $HostPlatform in
231 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
233 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
234 *) fptools_cv_leading_underscore=no ;;
236 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
237 *cygwin32) fptools_cv_leading_underscore=yes;;
238 *mingw32) fptools_cv_leading_underscore=yes;;
240 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
241 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
243 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
245 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
246 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
254 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
256 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
260 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
263 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
264 if test x"$fptools_cv_leading_underscore" = xyes; then
265 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
266 fi])# FP_LEADING_UNDERSCORE
269 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
270 # ----------------------------------------------------------------------------------
271 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
272 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
273 AC_DEFUN([FP_COMPARE_VERSIONS],
274 [fp_version1=$1; fp_version2=$3
275 fp_save_IFS=$IFS; IFS='.'
276 while test x"$fp_version1" != x || test x"$fp_version2" != x
279 set dummy $fp_version1; shift
281 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
282 test x"$fp_num1" = x && fp_num1="0"
285 set dummy $fp_version2; shift
287 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
288 test x"$fp_num2" = x && fp_num2="0"
291 test "$fp_num1" = "$fp_num2" || break;
294 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
295 ])# FP_COMPARE_VERSIONS
299 dnl Check for GreenCard and version.
301 AC_DEFUN([FPTOOLS_GREENCARD],
303 AC_PATH_PROG(GreenCardCmd,greencard)
304 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
306 [if test x"$GreenCardCmd" != x; then
307 fptools_cv_greencard_version="`$GreenCardCmd --version |
308 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
310 fptools_cv_greencard_version=""
314 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
315 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
316 GreenCardVersion=$fptools_cv_greencard_version
317 AC_SUBST(GreenCardVersion)
321 dnl Check for Happy and version. If we're building GHC, then we need
322 dnl at least Happy version 1.14. If there's no installed Happy, we look
323 dnl for a happy source tree and point the build system at that instead.
325 AC_DEFUN([FPTOOLS_HAPPY],
326 [AC_PATH_PROG(HappyCmd,happy,)
327 # Happy is passed to Cabal, so we need a native path
328 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
329 test "${OSTYPE}" != "msys" && \
330 test "${HappyCmd}" != ""
332 # Canonicalise to <drive>:/path/to/gcc
333 HappyCmd=`cygpath -m "${HappyCmd}"`
334 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
337 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
339 [if test x"$HappyCmd" != x; then
340 fptools_cv_happy_version=`"$HappyCmd" -v |
341 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
343 fptools_cv_happy_version="";
347 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
349 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
350 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
352 HappyVersion=$fptools_cv_happy_version;
353 AC_SUBST(HappyVersion)
357 dnl Check for Alex and version. If we're building GHC, then we need
358 dnl at least Alex version 2.0.1.
360 AC_DEFUN([FPTOOLS_ALEX],
362 AC_PATH_PROG(AlexCmd,alex,)
363 # Alex is passed to Cabal, so we need a native path
364 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
365 test "${OSTYPE}" != "msys" && \
366 test "${AlexCmd}" != ""
368 # Canonicalise to <drive>:/path/to/gcc
369 AlexCmd=`cygpath -m "${AlexCmd}"`
372 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
374 [if test x"$AlexCmd" != x; then
375 fptools_cv_alex_version=`"$AlexCmd" -v |
376 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
378 fptools_cv_alex_version="";
382 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
384 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
385 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
387 AlexVersion=$fptools_cv_alex_version;
388 AC_SUBST(AlexVersion)
394 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
395 # variable's value is empty.
396 AC_DEFUN([FP_PROG_LD_X],
398 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
399 [echo 'foo() {}' > conftest.c
400 ${CC-cc} -c conftest.c
401 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
407 if test "$fp_cv_ld_x" = yes; then
418 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
420 AC_DEFUN([FP_PROG_LD_IS_GNU],
422 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
423 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
428 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
429 ])# FP_PROG_LD_IS_GNU
434 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
435 # version of it. Exits if no ar can be found
436 AC_DEFUN([FP_PROG_AR],
437 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
438 if test -z "$fp_prog_ar_raw"; then
439 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
441 fp_prog_ar="$fp_prog_ar_raw"
442 case $HostPlatform in
443 *mingw32) if test x${OSTYPE} != xmsys; then
444 fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
445 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
454 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
455 AC_DEFUN([FP_PROG_AR_IS_GNU],
456 [AC_REQUIRE([FP_PROG_AR])
457 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
458 [if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
459 fp_cv_prog_ar_is_gnu=yes
461 fp_cv_prog_ar_is_gnu=no
463 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
464 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
465 ])# FP_PROG_AR_IS_GNU
468 # FP_PROG_AR_SUPPORTS_ATFILE
470 # Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
471 # or not it supports the @file syntax
472 AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
473 [AC_REQUIRE([FP_PROG_AR])
474 AC_REQUIRE([FP_PROG_AR_ARGS])
475 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
479 echo conftest.file > conftest.atfile
480 echo conftest.file >> conftest.atfile
481 "$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
482 fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
484 if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
486 fp_cv_prog_ar_supports_atfile=yes
488 fp_cv_prog_ar_supports_atfile=no
490 fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
491 AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
492 ])# FP_PROG_AR_SUPPORTS_ATFILE
496 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
497 # to a non-Cygwin invocation of ar including these arguments.
498 AC_DEFUN([FP_PROG_AR_ARGS],
499 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
500 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
502 # GNU ar needs special treatment: it appears to have problems with
503 # object files with the same name if you use the 's' modifier, but
504 # simple 'ar q' works fine, and doesn't need a separate ranlib.
505 if test $fp_prog_ar_is_gnu = yes; then
506 fp_cv_prog_ar_args="q"
509 for fp_var in clqsZ clqs cqs clq cq ; do
511 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
512 fp_cv_prog_ar_args=$fp_var
517 if test -z "$fp_cv_prog_ar_args"; then
518 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
521 fp_prog_ar_args=$fp_cv_prog_ar_args
522 AC_SUBST([ArCmd], ["$fp_prog_ar"])
523 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
528 # FP_PROG_AR_NEEDS_RANLIB
529 # -----------------------
530 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
532 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
533 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
534 AC_REQUIRE([FP_PROG_AR_ARGS])
535 AC_REQUIRE([AC_PROG_CC])
536 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
537 [if test $fp_prog_ar_is_gnu = yes; then
538 fp_cv_prog_ar_needs_ranlib=no
539 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
540 # It's quite tedious to check for Apple's crazy timestamps in .a files,
542 fp_cv_prog_ar_needs_ranlib=yes
543 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
544 fp_cv_prog_ar_needs_ranlib=no
546 fp_cv_prog_ar_needs_ranlib=yes
548 if test $fp_cv_prog_ar_needs_ranlib = yes; then
554 ])# FP_PROG_AR_NEEDS_RANLIB
557 # FP_PROG_AR_SUPPORTS_INPUT
558 # -------------------------
559 # Sets the output variable ArSupportsInput to "-input" or "", depending on
560 # whether ar supports -input flag is supported or not.
561 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
562 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
563 AC_REQUIRE([FP_PROG_AR_ARGS])
564 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
565 [fp_cv_prog_ar_supports_input=no
566 if test $fp_prog_ar_is_gnu = no; then
569 if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
570 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
574 if test $fp_cv_prog_ar_supports_input = yes; then
575 ArSupportsInput="-input"
579 AC_SUBST([ArSupportsInput])
580 ])# FP_PROG_AR_SUPPORTS_INPUT
584 dnl AC_SHEBANG_PERL - can we she-bang perl?
586 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
587 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
592 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
593 if test $? -ne 69; then
594 fptools_cv_shebang_perl=yes
596 fptools_cv_shebang_perl=no
604 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
605 # output variables HaveGcc and GccVersion.
606 AC_DEFUN([FP_HAVE_GCC],
607 [AC_REQUIRE([AC_PROG_CC])
608 if test -z "$GCC"; then
613 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
614 AC_MSG_ERROR([gcc is required])
617 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
618 [if test "$fp_have_gcc" = "YES"; then
619 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
620 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
621 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
622 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
623 # isn't a very good reason for that, but for now just make configure
625 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
627 fp_cv_gcc_version="not-installed"
630 AC_SUBST([HaveGcc], [$fp_have_gcc])
631 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
635 dnl Small feature test for perl version. Assumes PerlCmd
636 dnl contains path to perl binary.
638 dnl (Perl versions prior to v5.6 does not contain the string "v5";
639 dnl instead they display version strings such as "version 5.005".)
641 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
642 [$PerlCmd -v >conftest.out 2>&1
643 if grep "v5" conftest.out >/dev/null 2>&1; then
646 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
652 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
653 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
654 # -----------------------------------------------------
655 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
656 # of PROG-TO-CHECK-FOR when found.
657 AC_DEFUN([FP_CHECK_PROG],
658 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
664 # Find a non-WinDoze version of the "find" utility.
665 AC_DEFUN([FP_PROG_FIND],
666 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
667 echo foo > conftest.txt
668 $fp_prog_find conftest.txt -print > conftest.out 2>&1
669 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
670 # OK, looks like a real "find".
671 case $HostPlatform in
673 if test x${OSTYPE} != xmsys
675 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
676 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
680 FindCmd="$fp_prog_find"
682 # Found a poor WinDoze version of "find", ignore it.
683 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
684 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
686 rm -f conftest.txt conftest.out
687 AC_SUBST([FindCmd])[]dnl
693 # Find a Unix-like sort
694 AC_DEFUN([FP_PROG_SORT],
695 [AC_PATH_PROG([fp_prog_sort], [sort])
696 echo conwip > conftest.txt
697 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
698 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
700 SortCmd="$fp_prog_sort"
702 # Summink else..pick next one.
703 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
704 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
706 rm -f conftest.txt conftest.out
707 AC_SUBST([SortCmd])[]dnl
711 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
712 dnl values of the second argument to the result of running
713 dnl the commands given by the third. It does not cache its
714 dnl result, so it is suitable for checks which should be
717 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
718 [AC_MSG_CHECKING([$1])
720 AC_MSG_RESULT([$][$2])
724 dnl FPTOOLS_GHC_VERSION(version)
725 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
726 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
728 dnl Test for version of installed ghc. Uses $GHC.
729 dnl [original version pinched from c2hs]
731 AC_DEFUN([FPTOOLS_GHC_VERSION],
732 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
733 ["${WithGhc-ghc}" --version > conftestghc 2>&1
734 cat conftestghc >&AS_MESSAGE_LOG_FD
735 #Useless Use Of cat award...
736 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
738 if test "[$]fptools_version_of_ghc" = ""
740 fptools_version_of_ghc='unknown'
742 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
743 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
744 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
746 if test "[$]fptools_version_of_ghc[_pl]" = ""
748 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
749 fptools_version_of_ghc[_pl]="0"
751 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
755 [$1]="[$]fptools_version_of_ghc[_all]"
757 [$1]="[$]fptools_version_of_ghc[_major]"
758 [$2]="[$]fptools_version_of_ghc[_minor]"
760 [$1]="[$]fptools_version_of_ghc[_major]"
761 [$2]="[$]fptools_version_of_ghc[_minor]"
762 [$3]="[$]fptools_version_of_ghc[_pl]"
764 [$1]="[$]fptools_version_of_ghc[_all]"
765 [$2]="[$]fptools_version_of_ghc[_major]"
766 [$3]="[$]fptools_version_of_ghc[_minor]"
767 [$4]="[$]fptools_version_of_ghc[_pl]"
773 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
774 # ---------------------------------------------------------------------------------
775 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
776 # additional flexibility of specifying the PROLOGUE and BODY.
777 AC_DEFUN([FP_CHECK_FUNC],
778 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
779 AC_CACHE_CHECK([for $1], fp_func,
780 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
781 [AS_VAR_SET(fp_func, yes)],
782 [AS_VAR_SET(fp_func, no)])])
783 AS_IF([test AS_VAR_GET(fp_func) = yes],
784 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
785 [Define to 1 if you have the `]$1[' function.]) $4],
787 AS_VAR_POPDEF([fp_func])dnl
793 # Generates a DocBook XML V4.5 document in conftest.xml.
795 # It took a lot of experimentation to find a document that will cause
796 # xsltproc to fail with an error code when the relevant
797 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
798 # a single-file document, it seems a multi-file document is needed.
801 AC_DEFUN([FP_GEN_DOCBOOK_XML],
802 [rm -f conftest.xml conftest-book.xml
803 cat > conftest.xml << EOF
804 <?xml version="1.0" encoding="iso-8859-1"?>
805 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
806 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
807 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
813 cat >conftest-book.xml << EOF
814 <?xml version="1.0" encoding="iso-8859-1"?>
815 <title>A DocBook “Test Document”</title>
816 <chapter id="id-one">
817 <title>A Chapter Title</title>
818 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
820 <chapter id="id-two">
821 <title>Another Chapter Title</title>
822 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
825 ]) # FP_GEN_DOCBOOK_XML
830 # Sets the output variable DblatexCmd to the full path of dblatex,
831 # which we use for building PDF and PS docs.
832 # DblatexCmd is empty if dblatex could not be found.
833 AC_DEFUN([FP_PROG_DBLATEX],
834 [AC_PATH_PROG([DblatexCmd], [dblatex])
835 if test -z "$DblatexCmd"; then
836 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
843 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
844 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
845 AC_DEFUN([FP_PROG_XSLTPROC],
846 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
847 if test -z "$XsltprocCmd"; then
848 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
854 # ----------------------------
855 # Check that we can process a DocBook XML document to HTML using xsltproc.
856 AC_DEFUN([FP_DOCBOOK_XSL],
857 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
858 if test -n "$XsltprocCmd"; then
859 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
861 fp_cv_dir_docbook_xsl=no
862 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
863 fp_cv_dir_docbook_xsl=yes
867 if test x"$fp_cv_dir_docbook_xsl" = xno; then
868 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
873 AC_SUBST([HAVE_DOCBOOK_XSL])
879 # Sets the output variable XmllintCmd to the full path of the XSLT processor
880 # xmllint. XmllintCmd is empty if xmllint could not be found.
881 AC_DEFUN([FP_PROG_XMLLINT],
882 [AC_PATH_PROG([XmllintCmd], [xmllint])
883 if test -z "$XmllintCmd"; then
884 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
889 # FP_CHECK_DOCBOOK_DTD
890 # --------------------
891 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
892 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
893 if test -n "$XmllintCmd"; then
894 AC_MSG_CHECKING([for DocBook DTD])
896 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
899 AC_MSG_RESULT([failed])
900 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
901 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
905 ])# FP_CHECK_DOCBOOK_DTD
910 # Generates a formatting objects document in conftest.fo.
911 AC_DEFUN([FP_GEN_FO],
913 cat > conftest.fo << EOF
914 <?xml version="1.0"?>
915 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
916 <fo:layout-master-set>
917 <fo:simple-page-master master-name="blank">
919 </fo:simple-page-master>
920 </fo:layout-master-set>
921 <fo:page-sequence master-reference="blank">
922 <fo:flow flow-name="xsl-region-body">
935 # Set the output variable 'FopCmd' to the first working 'fop' in the current
936 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
937 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
938 AC_DEFUN([FP_PROG_FOP],
939 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
940 if test -n "$FopCmd1"; then
941 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
943 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
944 fp_cv_fop_usability=yes
946 fp_cv_fop_usability=no
949 if test x"$fp_cv_fop_usability" = xyes; then
953 if test -z "$FopCmd"; then
954 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
963 # Sets the output variable HstagsCmd to the full Haskell tags program path.
964 # HstagsCmd is empty if no such program could be found.
965 AC_DEFUN([FP_PROG_HSTAGS],
966 [AC_PATH_PROG([HstagsCmd], [hasktags])
967 if test -z "$HstagsCmd"; then
968 AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
975 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
976 # WithGhc. Sets the output variable GhcPkgCmd.
977 AC_DEFUN([FP_PROG_GHC_PKG],
978 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
980 # If we are told to use ghc-stage2, then we're using an in-tree
981 # compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
982 # so we sed off -stage[0-9]$. However, if we are told to use
983 # ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
985 fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
986 if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
987 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
989 AC_MSG_ERROR([Cannot find matching ghc-pkg])
991 GhcPkgCmd=$fp_cv_matching_ghc_pkg
992 AC_SUBST([GhcPkgCmd])
998 # Determine which extra flags we need to pass gcc when we invoke it
999 # to compile .hc code.
1001 # Some OSs (Mandrake Linux, in particular) configure GCC with
1002 # -momit-leaf-frame-pointer on by default. If this is the case, we
1003 # need to turn it off for mangling to work. The test is currently a
1004 # bit crude, using only the version number of gcc.
1006 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
1007 # integer wrap around. (Trac #952)
1009 # -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
1010 # reordering things in the module and confusing the manger and/or splitter.
1013 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1014 [AC_REQUIRE([FP_HAVE_GCC])
1015 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
1016 [fp_cv_gcc_extra_opts=
1017 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1018 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
1020 case $TargetPlatform in
1022 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
1023 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
1025 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1026 [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1027 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1028 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
1033 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1034 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1039 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1043 # FP_SETUP_PROJECT_VERSION
1044 # ---------------------
1045 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1047 if test "$RELEASE" = "NO"; then
1048 AC_MSG_CHECKING([for GHC version date])
1049 if test -f VERSION_DATE; then
1050 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1051 AC_MSG_RESULT(given $PACKAGE_VERSION)
1052 elif test -d .git; then
1054 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/"`
1055 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
1056 changequote([, ])dnl
1057 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1059 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1060 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1061 elif test -d _darcs; then
1062 # TODO: Remove this branch after conversion to Git
1064 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`
1065 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
1066 changequote([, ])dnl
1067 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1069 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1070 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1071 elif test -f VERSION; then
1072 PACKAGE_VERSION=`cat VERSION`
1073 AC_MSG_RESULT(given $PACKAGE_VERSION)
1075 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1080 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1081 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1083 # Split PACKAGE_VERSION into (possibly empty) parts
1084 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1085 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1086 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1087 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1089 # Calculate project version as an integer, using 2 digits for minor version
1090 case $VERSION_MINOR in
1091 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1092 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1093 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1095 AC_SUBST([ProjectVersionInt])
1097 # The project patchlevel is zero unless stated otherwise
1098 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1100 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1101 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1103 AC_SUBST([ProjectPatchLevel])
1104 ])# FP_SETUP_PROJECT_VERSION
1107 # Check for a working timer_create(). We need a pretty detailed check
1108 # here, because there exist partially-working implementations of
1109 # timer_create() in certain versions of Linux (see bug #1933).
1111 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1112 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1113 [fptools_cv_timer_create_works],
1116 #ifdef HAVE_STDLIB_H
1122 #ifdef HAVE_SIGNAL_H
1125 #ifdef HAVE_UNISTD_H
1129 static volatile int tock = 0;
1130 static void handler(int i)
1135 static void timeout(int i)
1137 // timer_settime() has been known to hang, so just in case
1138 // we install a 1-second timeout (see #2257)
1142 int main(int argc, char *argv[])
1147 struct itimerspec it;
1148 struct sigaction action;
1151 ev.sigev_notify = SIGEV_SIGNAL;
1152 ev.sigev_signo = SIGVTALRM;
1154 action.sa_handler = handler;
1155 action.sa_flags = 0;
1156 sigemptyset(&action.sa_mask);
1157 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1158 fprintf(stderr,"SIGVTALRM problem\n");
1162 action.sa_handler = timeout;
1163 action.sa_flags = 0;
1164 sigemptyset(&action.sa_mask);
1165 if (sigaction(SIGALRM, &action, NULL) == -1) {
1166 fprintf(stderr,"SIGALRM problem\n");
1171 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1172 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1176 it.it_value.tv_sec = 0;
1177 it.it_value.tv_nsec = 1;
1178 it.it_interval = it.it_value;
1179 if (timer_settime(timer, 0, &it, NULL) != 0) {
1180 fprintf(stderr,"settime problem\n");
1186 for(n = 3; n < 20000; n++){
1187 for(m = 2; m <= n/2; m++){
1188 if (!(n%m)) count++;
1195 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1199 timer_delete(timer);
1201 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1202 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1206 it.it_value.tv_sec = 0;
1207 it.it_value.tv_nsec = 1000000;
1208 it.it_interval = it.it_value;
1209 if (timer_settime(timer, 0, &it, NULL) != 0) {
1210 fprintf(stderr,"settime problem\n");
1219 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1223 timer_delete(timer);
1228 [fptools_cv_timer_create_works=yes],
1229 [fptools_cv_timer_create_works=no])
1231 case $fptools_cv_timer_create_works in
1232 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1233 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1239 AC_DEFUN([FP_ICONV],
1241 dnl--------------------------------------------------------------------
1242 dnl * Deal with arguments telling us iconv is somewhere odd
1243 dnl--------------------------------------------------------------------
1245 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
1246 dnl to the empty string to allow them to be overridden from the
1249 AC_ARG_WITH([iconv-includes],
1250 [AC_HELP_STRING([--with-iconv-includes],
1251 [directory containing iconv.h])],
1252 [ICONV_INCLUDE_DIRS=$withval])
1254 AC_ARG_WITH([iconv-libraries],
1255 [AC_HELP_STRING([--with-iconv-libraries],
1256 [directory containing iconv library])],
1257 [ICONV_LIB_DIRS=$withval])
1259 AC_SUBST(ICONV_INCLUDE_DIRS)
1260 AC_SUBST(ICONV_LIB_DIRS)
1267 dnl--------------------------------------------------------------------
1268 dnl * Deal with arguments telling us gmp is somewhere odd
1269 dnl--------------------------------------------------------------------
1271 AC_ARG_WITH([gmp-includes],
1272 [AC_HELP_STRING([--with-gmp-includes],
1273 [directory containing gmp.h])],
1274 [GMP_INCLUDE_DIRS=$withval])
1276 AC_ARG_WITH([gmp-libraries],
1277 [AC_HELP_STRING([--with-gmp-libraries],
1278 [directory containing gmp library])],
1279 [GMP_LIB_DIRS=$withval])
1281 AC_SUBST(GMP_INCLUDE_DIRS)
1282 AC_SUBST(GMP_LIB_DIRS)
1285 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1286 # ---------------------------------
1287 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1289 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1290 AC_MSG_CHECKING([Mac OS X deployment target])
1291 case $FP_MACOSX_DEPLOYMENT_TARGET in
1293 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1294 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1296 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1297 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1299 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1300 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1303 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1306 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1307 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1309 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1314 # --------------------------------------------------------------
1315 # Calculate absolute path to build tree
1316 # --------------------------------------------------------------
1318 AC_DEFUN([FP_INTREE_GHC_PWD],[
1319 AC_MSG_NOTICE(Building in-tree ghc-pwd)
1321 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1322 dnl except we don't want to have to know what make is called. Sigh.
1323 rm -rf utils/ghc-pwd/dist-boot
1324 mkdir utils/ghc-pwd/dist-boot
1325 if ! "$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
1327 AC_MSG_ERROR([Building ghc-pwd failed])
1330 GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
1333 AC_DEFUN([FP_BINDIST_GHC_PWD],[
1334 GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
1337 AC_DEFUN([FP_FIND_ROOT],[
1338 AC_MSG_CHECKING(for path to top of build tree)
1341 dnl Remove common automounter nonsense
1342 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1344 if ! test -d "$hardtop"; then
1345 AC_MSG_ERROR([cannot determine current directory])
1348 dnl We don't support building in directories with spaces.
1352 The build system does not support building in a directory
1353 containing space characters.
1354 Suggestion: move the build tree somewhere else.])
1360 AC_MSG_RESULT($hardtop)
1363 # GHC_CONVERT_CPU(cpu, target_var)
1364 # --------------------------------
1365 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1366 AC_DEFUN([GHC_CONVERT_CPU],[
1423 echo "Unknown CPU $1"
1429 # GHC_CONVERT_VENDOR(vendor, target_var)
1430 # --------------------------------
1431 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1432 AC_DEFUN([GHC_CONVERT_VENDOR],[
1436 # GHC_CONVERT_OS(os, target_var)
1437 # --------------------------------
1438 # converts os from gnu to ghc naming, and assigns the result to $target_var
1439 AC_DEFUN([GHC_CONVERT_OS],[
1444 # As far as I'm aware, none of these have relevant variants
1445 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1449 echo "Unknown OS $1"
1455 # LIBRARY_VERSION(lib)
1456 # --------------------------------
1457 # Gets the version number of a library.
1458 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1459 AC_DEFUN([LIBRARY_VERSION],[
1460 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1461 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)