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="$$2 -march=i686 -m32"
24 # It's not clear if $3 flags will be given to gcc or ld,
25 # and they accept different flags, so for now do nothing
26 # $3="$$3 -march=i686 -m32"
27 $4="$$4 -march=i686 -m32"
31 # It's not clear if $3 flags will be given to gcc or ld,
32 # and they accept different flags, so for now do nothing
39 i386-apple-darwin|x86_64-apple-darwin)
40 # We support back to OS X 10.5
41 $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
42 # It's not clear if $3 flags will be given to gcc or ld,
43 # and they accept different flags, so for now do nothing
44 # $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
45 $4="$$4 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
49 # If gcc knows about the stack protector, turn it off.
50 # Otherwise the stack-smash handler gets triggered.
51 echo 'int main(void) {return 0;}' > conftest.c
52 if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
54 $2="$$2 -fno-stack-protector"
56 rm -f conftest.c conftest.o
61 # FP_VISIBILITY_HIDDEN
62 # ----------------------------------
63 # Is the visibility hidden attribute supported?
64 AC_DEFUN([FP_VISIBILITY_HIDDEN],
66 AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
67 echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
68 if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
71 AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
75 rm -f conftest.c conftest.o
79 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
80 # ----------------------------------
81 # Little endian Arm on Linux with some ABIs has big endian word order
82 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
83 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
84 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
87 [#include <endian.h>],
88 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
91 not float word order big endian
94 [fptools_cv_float_word_order_bigendian=yes],
95 [fptools_cv_float_word_order_bigendian=no])
97 case $fptools_cv_float_word_order_bigendian in
99 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
100 [Define to 1 if your processor stores words of floats with
101 the most significant byte first]) ;;
106 # FP_EVAL_STDERR(COMMAND)
107 # -----------------------
108 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
109 # into the file conftest.err and the exit status in the variable fp_status.
110 AC_DEFUN([FP_EVAL_STDERR],
111 [{ (eval $1) 2>conftest.er1
113 grep -v '^ *+' conftest.er1 >conftest.err
115 (exit $fp_status); }[]dnl
119 # FP_ARG_WITH_PATH_GNU_PROG
120 # --------------------
123 # $1 = the command to look for
124 # $2 = the variable to set
126 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
129 [AC_HELP_STRING([--with-$2=ARG],
130 [Use ARG as the path to $2 [default=autodetect]])],
132 if test "$HostOS" = "mingw32"
134 AC_MSG_WARN([Request to use $withval will be ignored])
140 if test "$HostOS" != "mingw32"
142 AC_PATH_PROG([$1], [$2])
145 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
150 ]) # FP_ARG_WITH_PATH_GNU_PROG
153 # FP_PROG_CONTEXT_DIFF
154 # --------------------
155 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
157 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
159 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
160 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
161 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
162 [echo foo > conftest1
164 fp_cv_context_diff=no
165 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
167 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
168 fp_cv_context_diff="diff $fp_var"
172 if test x"$fp_cv_context_diff" = xno; then
173 AC_MSG_ERROR([cannot figure out how to do context diffs])
175 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
176 ])# FP_PROG_CONTEXT_DIFF
179 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
180 # --------------------------------------------------------
181 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
182 # compilation. Execute IF-FAILS when unable to determine the value. Works for
183 # cross-compilation, too.
185 # Implementation note: We are lazy and use an internal autoconf macro, but it
186 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
188 AC_DEFUN([FP_COMPUTE_INT],
189 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
193 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
194 # ------------------------------------------------------------------
195 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
196 # given type. Defines ALIGNMENT_TYPE.
197 AC_DEFUN([FP_CHECK_ALIGNMENT],
198 [AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
199 [AC_FATAL([$0: requires literal arguments])])[]dnl
200 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
201 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
202 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
203 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
204 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
206 [AC_INCLUDES_DEFAULT([$3])],
207 [AC_MSG_ERROR([cannot compute alignment ($1)
208 See `config.log' for more details.], [77])])
212 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
213 m4_popdef([fp_Cache])[]dnl
214 ])# FP_CHECK_ALIGNMENT
217 # FP_LEADING_UNDERSCORE
218 # ---------------------
219 # Test for determining whether symbol names have a leading underscore. We assume
220 # that they _haven't_ if anything goes wrong. Sets the output variable
221 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
223 # Some nlist implementations seem to try to be compatible by ignoring a leading
224 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
225 # checking for *no* leading underscore first. Sigh. --SDM
227 # Similarly on OpenBSD, but this test doesn't help. -- dons
228 AC_DEFUN([FP_LEADING_UNDERSCORE],
229 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
230 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
231 # Hack!: nlist() under Digital UNIX insist on there being an _,
232 # but symbol table listings shows none. What is going on here?!?
234 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
235 # the underscoredness of that "platform"
236 case $HostPlatform in
237 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
239 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
240 *) fptools_cv_leading_underscore=no ;;
242 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
243 *cygwin32) fptools_cv_leading_underscore=yes;;
244 *mingw32) fptools_cv_leading_underscore=yes;;
246 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
247 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
249 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
251 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
252 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
260 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
262 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
266 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
269 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
270 if test x"$fptools_cv_leading_underscore" = xyes; then
271 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
272 fi])# FP_LEADING_UNDERSCORE
275 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
276 # ----------------------------------------------------------------------------------
277 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
278 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
279 AC_DEFUN([FP_COMPARE_VERSIONS],
280 [fp_version1=$1; fp_version2=$3
281 fp_save_IFS=$IFS; IFS='.'
282 while test x"$fp_version1" != x || test x"$fp_version2" != x
285 set dummy $fp_version1; shift
287 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
288 test x"$fp_num1" = x && fp_num1="0"
291 set dummy $fp_version2; shift
293 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
294 test x"$fp_num2" = x && fp_num2="0"
297 test "$fp_num1" = "$fp_num2" || break;
300 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
301 ])# FP_COMPARE_VERSIONS
305 dnl Check for GreenCard and version.
307 AC_DEFUN([FPTOOLS_GREENCARD],
309 AC_PATH_PROG(GreenCardCmd,greencard)
310 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
312 [if test x"$GreenCardCmd" != x; then
313 fptools_cv_greencard_version="`$GreenCardCmd --version |
314 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
316 fptools_cv_greencard_version=""
320 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
321 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
322 GreenCardVersion=$fptools_cv_greencard_version
323 AC_SUBST(GreenCardVersion)
327 dnl Check for Happy and version. If we're building GHC, then we need
328 dnl at least Happy version 1.14. If there's no installed Happy, we look
329 dnl for a happy source tree and point the build system at that instead.
331 AC_DEFUN([FPTOOLS_HAPPY],
332 [AC_PATH_PROG(HappyCmd,happy,)
333 # Happy is passed to Cabal, so we need a native path
334 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
335 test "${OSTYPE}" != "msys" && \
336 test "${HappyCmd}" != ""
338 # Canonicalise to <drive>:/path/to/gcc
339 HappyCmd=`cygpath -m "${HappyCmd}"`
340 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
343 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
345 [if test x"$HappyCmd" != x; then
346 fptools_cv_happy_version=`"$HappyCmd" -v |
347 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
349 fptools_cv_happy_version="";
353 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
355 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
356 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
358 HappyVersion=$fptools_cv_happy_version;
359 AC_SUBST(HappyVersion)
363 dnl Check for Alex and version. If we're building GHC, then we need
364 dnl at least Alex version 2.0.1.
366 AC_DEFUN([FPTOOLS_ALEX],
368 AC_PATH_PROG(AlexCmd,alex,)
369 # Alex is passed to Cabal, so we need a native path
370 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
371 test "${OSTYPE}" != "msys" && \
372 test "${AlexCmd}" != ""
374 # Canonicalise to <drive>:/path/to/gcc
375 AlexCmd=`cygpath -m "${AlexCmd}"`
378 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
380 [if test x"$AlexCmd" != x; then
381 fptools_cv_alex_version=`"$AlexCmd" -v |
382 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
384 fptools_cv_alex_version="";
388 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
390 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
391 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
393 AlexVersion=$fptools_cv_alex_version;
394 AC_SUBST(AlexVersion)
400 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
401 # variable's value is empty.
402 AC_DEFUN([FP_PROG_LD_X],
404 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
405 [echo 'foo() {}' > conftest.c
406 ${CC-cc} -c conftest.c
407 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
413 if test "$fp_cv_ld_x" = yes; then
424 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
426 AC_DEFUN([FP_PROG_LD_IS_GNU],
428 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
429 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
434 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
435 ])# FP_PROG_LD_IS_GNU
440 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
441 # version of it. Exits if no ar can be found
442 AC_DEFUN([FP_PROG_AR],
443 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
444 if test -z "$fp_prog_ar_raw"; then
445 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
447 fp_prog_ar="$fp_prog_ar_raw"
448 case $HostPlatform in
449 *mingw32) if test x${OSTYPE} != xmsys; then
450 fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
451 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
460 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
461 AC_DEFUN([FP_PROG_AR_IS_GNU],
462 [AC_REQUIRE([FP_PROG_AR])
463 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
464 [if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
465 fp_cv_prog_ar_is_gnu=yes
467 fp_cv_prog_ar_is_gnu=no
469 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
470 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
471 ])# FP_PROG_AR_IS_GNU
474 # FP_PROG_AR_SUPPORTS_ATFILE
476 # Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
477 # or not it supports the @file syntax
478 AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
479 [AC_REQUIRE([FP_PROG_AR])
480 AC_REQUIRE([FP_PROG_AR_ARGS])
481 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
485 echo conftest.file > conftest.atfile
486 echo conftest.file >> conftest.atfile
487 "$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
488 fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
490 if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
492 fp_cv_prog_ar_supports_atfile=yes
494 fp_cv_prog_ar_supports_atfile=no
496 fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
497 AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
498 ])# FP_PROG_AR_SUPPORTS_ATFILE
502 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
503 # to a non-Cygwin invocation of ar including these arguments.
504 AC_DEFUN([FP_PROG_AR_ARGS],
505 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
506 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
508 # GNU ar needs special treatment: it appears to have problems with
509 # object files with the same name if you use the 's' modifier, but
510 # simple 'ar q' works fine, and doesn't need a separate ranlib.
511 if test $fp_prog_ar_is_gnu = yes; then
512 fp_cv_prog_ar_args="q"
515 for fp_var in clqsZ clqs cqs clq cq ; do
517 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
518 fp_cv_prog_ar_args=$fp_var
523 if test -z "$fp_cv_prog_ar_args"; then
524 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
527 fp_prog_ar_args=$fp_cv_prog_ar_args
528 AC_SUBST([ArCmd], ["$fp_prog_ar"])
529 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
534 # FP_PROG_AR_NEEDS_RANLIB
535 # -----------------------
536 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
538 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
539 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
540 AC_REQUIRE([FP_PROG_AR_ARGS])
541 AC_REQUIRE([AC_PROG_CC])
542 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
543 [if test $fp_prog_ar_is_gnu = yes; then
544 fp_cv_prog_ar_needs_ranlib=no
545 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
546 # It's quite tedious to check for Apple's crazy timestamps in .a files,
548 fp_cv_prog_ar_needs_ranlib=yes
549 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
550 fp_cv_prog_ar_needs_ranlib=no
552 fp_cv_prog_ar_needs_ranlib=yes
554 if test $fp_cv_prog_ar_needs_ranlib = yes; then
560 ])# FP_PROG_AR_NEEDS_RANLIB
563 # FP_PROG_AR_SUPPORTS_INPUT
564 # -------------------------
565 # Sets the output variable ArSupportsInput to "-input" or "", depending on
566 # whether ar supports -input flag is supported or not.
567 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
568 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
569 AC_REQUIRE([FP_PROG_AR_ARGS])
570 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
571 [fp_cv_prog_ar_supports_input=no
572 if test $fp_prog_ar_is_gnu = no; then
575 if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
576 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
580 if test $fp_cv_prog_ar_supports_input = yes; then
581 ArSupportsInput="-input"
585 AC_SUBST([ArSupportsInput])
586 ])# FP_PROG_AR_SUPPORTS_INPUT
590 dnl AC_SHEBANG_PERL - can we she-bang perl?
592 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
593 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
598 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
599 if test $? -ne 69; then
600 fptools_cv_shebang_perl=yes
602 fptools_cv_shebang_perl=no
610 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
611 # output variables HaveGcc and GccVersion.
612 AC_DEFUN([FP_HAVE_GCC],
613 [AC_REQUIRE([AC_PROG_CC])
614 if test -z "$GCC"; then
619 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
620 AC_MSG_ERROR([gcc is required])
623 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
624 [if test "$fp_have_gcc" = "YES"; then
625 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
626 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
627 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
628 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
629 # isn't a very good reason for that, but for now just make configure
631 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
633 fp_cv_gcc_version="not-installed"
636 AC_SUBST([HaveGcc], [$fp_have_gcc])
637 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
641 dnl Small feature test for perl version. Assumes PerlCmd
642 dnl contains path to perl binary.
644 dnl (Perl versions prior to v5.6 does not contain the string "v5";
645 dnl instead they display version strings such as "version 5.005".)
647 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
648 [$PerlCmd -v >conftest.out 2>&1
649 if grep "v5" conftest.out >/dev/null 2>&1; then
652 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
658 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
659 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
660 # -----------------------------------------------------
661 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
662 # of PROG-TO-CHECK-FOR when found.
663 AC_DEFUN([FP_CHECK_PROG],
664 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
670 # Find a non-WinDoze version of the "find" utility.
671 AC_DEFUN([FP_PROG_FIND],
672 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
673 echo foo > conftest.txt
674 $fp_prog_find conftest.txt -print > conftest.out 2>&1
675 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
676 # OK, looks like a real "find".
677 case $HostPlatform in
679 if test x${OSTYPE} != xmsys
681 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
682 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
686 FindCmd="$fp_prog_find"
688 # Found a poor WinDoze version of "find", ignore it.
689 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
690 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
692 rm -f conftest.txt conftest.out
693 AC_SUBST([FindCmd])[]dnl
699 # Find a Unix-like sort
700 AC_DEFUN([FP_PROG_SORT],
701 [AC_PATH_PROG([fp_prog_sort], [sort])
702 echo conwip > conftest.txt
703 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
704 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
706 SortCmd="$fp_prog_sort"
708 # Summink else..pick next one.
709 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
710 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
712 rm -f conftest.txt conftest.out
713 AC_SUBST([SortCmd])[]dnl
717 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
718 dnl values of the second argument to the result of running
719 dnl the commands given by the third. It does not cache its
720 dnl result, so it is suitable for checks which should be
723 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
724 [AC_MSG_CHECKING([$1])
726 AC_MSG_RESULT([$][$2])
730 dnl FPTOOLS_GHC_VERSION(version)
731 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
732 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
734 dnl Test for version of installed ghc. Uses $GHC.
735 dnl [original version pinched from c2hs]
737 AC_DEFUN([FPTOOLS_GHC_VERSION],
738 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
739 ["${WithGhc-ghc}" --version > conftestghc 2>&1
740 cat conftestghc >&AS_MESSAGE_LOG_FD
741 #Useless Use Of cat award...
742 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
744 if test "[$]fptools_version_of_ghc" = ""
746 fptools_version_of_ghc='unknown'
748 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
749 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
750 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
752 if test "[$]fptools_version_of_ghc[_pl]" = ""
754 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
755 fptools_version_of_ghc[_pl]="0"
757 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
761 [$1]="[$]fptools_version_of_ghc[_all]"
763 [$1]="[$]fptools_version_of_ghc[_major]"
764 [$2]="[$]fptools_version_of_ghc[_minor]"
766 [$1]="[$]fptools_version_of_ghc[_major]"
767 [$2]="[$]fptools_version_of_ghc[_minor]"
768 [$3]="[$]fptools_version_of_ghc[_pl]"
770 [$1]="[$]fptools_version_of_ghc[_all]"
771 [$2]="[$]fptools_version_of_ghc[_major]"
772 [$3]="[$]fptools_version_of_ghc[_minor]"
773 [$4]="[$]fptools_version_of_ghc[_pl]"
779 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
780 # ---------------------------------------------------------------------------------
781 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
782 # additional flexibility of specifying the PROLOGUE and BODY.
783 AC_DEFUN([FP_CHECK_FUNC],
784 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
785 AC_CACHE_CHECK([for $1], fp_func,
786 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
787 [AS_VAR_SET(fp_func, yes)],
788 [AS_VAR_SET(fp_func, no)])])
789 AS_IF([test AS_VAR_GET(fp_func) = yes],
790 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
791 [Define to 1 if you have the `]$1[' function.]) $4],
793 AS_VAR_POPDEF([fp_func])dnl
799 # Generates a DocBook XML V4.5 document in conftest.xml.
801 # It took a lot of experimentation to find a document that will cause
802 # xsltproc to fail with an error code when the relevant
803 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
804 # a single-file document, it seems a multi-file document is needed.
807 AC_DEFUN([FP_GEN_DOCBOOK_XML],
808 [rm -f conftest.xml conftest-book.xml
809 cat > conftest.xml << EOF
810 <?xml version="1.0" encoding="iso-8859-1"?>
811 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
812 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
813 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
819 cat >conftest-book.xml << EOF
820 <?xml version="1.0" encoding="iso-8859-1"?>
821 <title>A DocBook “Test Document”</title>
822 <chapter id="id-one">
823 <title>A Chapter Title</title>
824 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
826 <chapter id="id-two">
827 <title>Another Chapter Title</title>
828 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
831 ]) # FP_GEN_DOCBOOK_XML
836 # Sets the output variable DblatexCmd to the full path of dblatex,
837 # which we use for building PDF and PS docs.
838 # DblatexCmd is empty if dblatex could not be found.
839 AC_DEFUN([FP_PROG_DBLATEX],
840 [AC_PATH_PROG([DblatexCmd], [dblatex])
841 if test -z "$DblatexCmd"; then
842 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
849 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
850 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
851 AC_DEFUN([FP_PROG_XSLTPROC],
852 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
853 if test -z "$XsltprocCmd"; then
854 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
860 # ----------------------------
861 # Check that we can process a DocBook XML document to HTML using xsltproc.
862 AC_DEFUN([FP_DOCBOOK_XSL],
863 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
864 if test -n "$XsltprocCmd"; then
865 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
867 fp_cv_dir_docbook_xsl=no
868 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
869 fp_cv_dir_docbook_xsl=yes
873 if test x"$fp_cv_dir_docbook_xsl" = xno; then
874 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
879 AC_SUBST([HAVE_DOCBOOK_XSL])
885 # Sets the output variable XmllintCmd to the full path of the XSLT processor
886 # xmllint. XmllintCmd is empty if xmllint could not be found.
887 AC_DEFUN([FP_PROG_XMLLINT],
888 [AC_PATH_PROG([XmllintCmd], [xmllint])
889 if test -z "$XmllintCmd"; then
890 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
895 # FP_CHECK_DOCBOOK_DTD
896 # --------------------
897 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
898 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
899 if test -n "$XmllintCmd"; then
900 AC_MSG_CHECKING([for DocBook DTD])
902 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
905 AC_MSG_RESULT([failed])
906 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
907 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
911 ])# FP_CHECK_DOCBOOK_DTD
916 # Generates a formatting objects document in conftest.fo.
917 AC_DEFUN([FP_GEN_FO],
919 cat > conftest.fo << EOF
920 <?xml version="1.0"?>
921 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
922 <fo:layout-master-set>
923 <fo:simple-page-master master-name="blank">
925 </fo:simple-page-master>
926 </fo:layout-master-set>
927 <fo:page-sequence master-reference="blank">
928 <fo:flow flow-name="xsl-region-body">
941 # Set the output variable 'FopCmd' to the first working 'fop' in the current
942 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
943 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
944 AC_DEFUN([FP_PROG_FOP],
945 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
946 if test -n "$FopCmd1"; then
947 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
949 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
950 fp_cv_fop_usability=yes
952 fp_cv_fop_usability=no
955 if test x"$fp_cv_fop_usability" = xyes; then
959 if test -z "$FopCmd"; then
960 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
969 # Sets the output variable HstagsCmd to the full Haskell tags program path.
970 # HstagsCmd is empty if no such program could be found.
971 AC_DEFUN([FP_PROG_HSTAGS],
972 [AC_PATH_PROG([HstagsCmd], [hasktags])
973 if test -z "$HstagsCmd"; then
974 AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
981 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
982 # WithGhc. Sets the output variable GhcPkgCmd.
983 AC_DEFUN([FP_PROG_GHC_PKG],
984 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
986 # If we are told to use ghc-stage2, then we're using an in-tree
987 # compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
988 # so we sed off -stage[0-9]$. However, if we are told to use
989 # ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
991 fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
992 if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
993 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
995 AC_MSG_ERROR([Cannot find matching ghc-pkg])
997 GhcPkgCmd=$fp_cv_matching_ghc_pkg
998 AC_SUBST([GhcPkgCmd])
1002 # FP_GCC_EXTRA_FLAGS
1003 # ------------------
1004 # Determine which extra flags we need to pass gcc when we invoke it
1005 # to compile .hc code.
1007 # Some OSs (Mandrake Linux, in particular) configure GCC with
1008 # -momit-leaf-frame-pointer on by default. If this is the case, we
1009 # need to turn it off for mangling to work. The test is currently a
1010 # bit crude, using only the version number of gcc.
1012 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
1013 # integer wrap around. (Trac #952)
1015 # -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
1016 # reordering things in the module and confusing the manger and/or splitter.
1019 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1020 [AC_REQUIRE([FP_HAVE_GCC])
1021 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
1022 [fp_cv_gcc_extra_opts=
1023 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1024 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
1026 case $TargetPlatform in
1028 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
1029 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
1031 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1032 [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1033 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1034 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
1039 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1040 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1045 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1049 # FP_SETUP_PROJECT_VERSION
1050 # ---------------------
1051 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1053 if test "$RELEASE" = "NO"; then
1054 AC_MSG_CHECKING([for GHC version date])
1055 if test -f VERSION_DATE; then
1056 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1057 AC_MSG_RESULT(given $PACKAGE_VERSION)
1058 elif test -d .git; then
1060 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/"`
1061 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
1062 changequote([, ])dnl
1063 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1065 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1066 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1067 elif test -d _darcs; then
1068 # TODO: Remove this branch after conversion to Git
1070 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`
1071 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
1072 changequote([, ])dnl
1073 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1075 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1076 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1077 elif test -f VERSION; then
1078 PACKAGE_VERSION=`cat VERSION`
1079 AC_MSG_RESULT(given $PACKAGE_VERSION)
1081 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1086 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1087 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1089 # Split PACKAGE_VERSION into (possibly empty) parts
1090 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1091 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1092 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1093 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1095 # Calculate project version as an integer, using 2 digits for minor version
1096 case $VERSION_MINOR in
1097 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1098 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1099 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1101 AC_SUBST([ProjectVersionInt])
1103 # The project patchlevel is zero unless stated otherwise
1104 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1106 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1107 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1109 AC_SUBST([ProjectPatchLevel])
1110 ])# FP_SETUP_PROJECT_VERSION
1113 # Check for a working timer_create(). We need a pretty detailed check
1114 # here, because there exist partially-working implementations of
1115 # timer_create() in certain versions of Linux (see bug #1933).
1117 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1118 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1119 [fptools_cv_timer_create_works],
1122 #ifdef HAVE_STDLIB_H
1128 #ifdef HAVE_SIGNAL_H
1131 #ifdef HAVE_UNISTD_H
1135 static volatile int tock = 0;
1136 static void handler(int i)
1141 static void timeout(int i)
1143 // timer_settime() has been known to hang, so just in case
1144 // we install a 1-second timeout (see #2257)
1148 int main(int argc, char *argv[])
1153 struct itimerspec it;
1154 struct sigaction action;
1157 ev.sigev_notify = SIGEV_SIGNAL;
1158 ev.sigev_signo = SIGVTALRM;
1160 action.sa_handler = handler;
1161 action.sa_flags = 0;
1162 sigemptyset(&action.sa_mask);
1163 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1164 fprintf(stderr,"SIGVTALRM problem\n");
1168 action.sa_handler = timeout;
1169 action.sa_flags = 0;
1170 sigemptyset(&action.sa_mask);
1171 if (sigaction(SIGALRM, &action, NULL) == -1) {
1172 fprintf(stderr,"SIGALRM problem\n");
1177 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1178 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1182 it.it_value.tv_sec = 0;
1183 it.it_value.tv_nsec = 1;
1184 it.it_interval = it.it_value;
1185 if (timer_settime(timer, 0, &it, NULL) != 0) {
1186 fprintf(stderr,"settime problem\n");
1192 for(n = 3; n < 20000; n++){
1193 for(m = 2; m <= n/2; m++){
1194 if (!(n%m)) count++;
1201 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1205 timer_delete(timer);
1207 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1208 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1212 it.it_value.tv_sec = 0;
1213 it.it_value.tv_nsec = 1000000;
1214 it.it_interval = it.it_value;
1215 if (timer_settime(timer, 0, &it, NULL) != 0) {
1216 fprintf(stderr,"settime problem\n");
1225 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1229 timer_delete(timer);
1234 [fptools_cv_timer_create_works=yes],
1235 [fptools_cv_timer_create_works=no])
1237 case $fptools_cv_timer_create_works in
1238 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1239 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1245 AC_DEFUN([FP_ICONV],
1247 dnl--------------------------------------------------------------------
1248 dnl * Deal with arguments telling us iconv is somewhere odd
1249 dnl--------------------------------------------------------------------
1251 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
1252 dnl to the empty string to allow them to be overridden from the
1255 AC_ARG_WITH([iconv-includes],
1256 [AC_HELP_STRING([--with-iconv-includes],
1257 [directory containing iconv.h])],
1258 [ICONV_INCLUDE_DIRS=$withval])
1260 AC_ARG_WITH([iconv-libraries],
1261 [AC_HELP_STRING([--with-iconv-libraries],
1262 [directory containing iconv library])],
1263 [ICONV_LIB_DIRS=$withval])
1265 AC_SUBST(ICONV_INCLUDE_DIRS)
1266 AC_SUBST(ICONV_LIB_DIRS)
1273 dnl--------------------------------------------------------------------
1274 dnl * Deal with arguments telling us gmp is somewhere odd
1275 dnl--------------------------------------------------------------------
1277 AC_ARG_WITH([gmp-includes],
1278 [AC_HELP_STRING([--with-gmp-includes],
1279 [directory containing gmp.h])],
1280 [GMP_INCLUDE_DIRS=$withval])
1282 AC_ARG_WITH([gmp-libraries],
1283 [AC_HELP_STRING([--with-gmp-libraries],
1284 [directory containing gmp library])],
1285 [GMP_LIB_DIRS=$withval])
1287 AC_SUBST(GMP_INCLUDE_DIRS)
1288 AC_SUBST(GMP_LIB_DIRS)
1291 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1292 # ---------------------------------
1293 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1295 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1296 AC_MSG_CHECKING([Mac OS X deployment target])
1297 case $FP_MACOSX_DEPLOYMENT_TARGET in
1299 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1300 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1302 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1303 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1305 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1306 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1309 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1312 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1313 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1315 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1320 # --------------------------------------------------------------
1321 # Calculate absolute path to build tree
1322 # --------------------------------------------------------------
1324 AC_DEFUN([FP_INTREE_GHC_PWD],[
1325 AC_MSG_NOTICE(Building in-tree ghc-pwd)
1327 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1328 dnl except we don't want to have to know what make is called. Sigh.
1329 rm -rf utils/ghc-pwd/dist-boot
1330 mkdir utils/ghc-pwd/dist-boot
1331 if ! "$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
1333 AC_MSG_ERROR([Building ghc-pwd failed])
1336 GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
1339 AC_DEFUN([FP_BINDIST_GHC_PWD],[
1340 GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
1343 AC_DEFUN([FP_FIND_ROOT],[
1344 AC_MSG_CHECKING(for path to top of build tree)
1347 dnl Remove common automounter nonsense
1348 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1350 if ! test -d "$hardtop"; then
1351 AC_MSG_ERROR([cannot determine current directory])
1354 dnl We don't support building in directories with spaces.
1358 The build system does not support building in a directory
1359 containing space characters.
1360 Suggestion: move the build tree somewhere else.])
1366 AC_MSG_RESULT($hardtop)
1369 # GHC_CONVERT_CPU(cpu, target_var)
1370 # --------------------------------
1371 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1372 AC_DEFUN([GHC_CONVERT_CPU],[
1429 echo "Unknown CPU $1"
1435 # GHC_CONVERT_VENDOR(vendor, target_var)
1436 # --------------------------------
1437 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1438 AC_DEFUN([GHC_CONVERT_VENDOR],[
1442 # GHC_CONVERT_OS(os, target_var)
1443 # --------------------------------
1444 # converts os from gnu to ghc naming, and assigns the result to $target_var
1445 AC_DEFUN([GHC_CONVERT_OS],[
1450 # As far as I'm aware, none of these have relevant variants
1451 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1455 echo "Unknown OS $1"
1461 # LIBRARY_VERSION(lib)
1462 # --------------------------------
1463 # Gets the version number of a library.
1464 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1465 AC_DEFUN([LIBRARY_VERSION],[
1466 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1467 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)