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 CC flags variable
12 # $3 is the name of the linker flags variable when linking with gcc
13 # $4 is the name of the linker flags variable when linking with ld
14 # $5 is the name of the CPP flags variable
15 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
17 AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
20 # By default, gcc on OS X will generate SSE
21 # instructions, which need things 16-byte aligned,
22 # but we don't 16-byte align things. Thus drop
23 # back to generic i686 compatibility. Trac #2983.
24 $2="$$2 -march=i686 -m32"
25 $3="$$3 -march=i686 -m32"
27 $5="$$5 -march=i686 -m32"
38 i386-apple-darwin|x86_64-apple-darwin)
39 # We support back to OS X 10.5
40 $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
41 $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
42 $4="$$4 -macosx_version_min 10.5"
43 $5="$$5 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
47 # If gcc knows about the stack protector, turn it off.
48 # Otherwise the stack-smash handler gets triggered.
49 echo 'int main(void) {return 0;}' > conftest.c
50 if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
52 $2="$$2 -fno-stack-protector"
54 rm -f conftest.c conftest.o
59 # FP_VISIBILITY_HIDDEN
60 # ----------------------------------
61 # Is the visibility hidden attribute supported?
62 AC_DEFUN([FP_VISIBILITY_HIDDEN],
64 AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
65 echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
66 if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
69 AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
73 rm -f conftest.c conftest.o
77 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
78 # ----------------------------------
79 # Little endian Arm on Linux with some ABIs has big endian word order
80 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
81 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
82 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
85 [#include <endian.h>],
86 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
89 not float word order big endian
92 [fptools_cv_float_word_order_bigendian=yes],
93 [fptools_cv_float_word_order_bigendian=no])
95 case $fptools_cv_float_word_order_bigendian in
97 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
98 [Define to 1 if your processor stores words of floats with
99 the most significant byte first]) ;;
104 # FP_EVAL_STDERR(COMMAND)
105 # -----------------------
106 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
107 # into the file conftest.err and the exit status in the variable fp_status.
108 AC_DEFUN([FP_EVAL_STDERR],
109 [{ (eval $1) 2>conftest.er1
111 grep -v '^ *+' conftest.er1 >conftest.err
113 (exit $fp_status); }[]dnl
117 # FP_ARG_WITH_PATH_GNU_PROG
118 # --------------------
121 # $1 = the command to look for
122 # $2 = the variable to set
124 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
127 [AC_HELP_STRING([--with-$2=ARG],
128 [Use ARG as the path to $2 [default=autodetect]])],
130 if test "$HostOS" = "mingw32"
132 AC_MSG_WARN([Request to use $withval will be ignored])
138 if test "$HostOS" != "mingw32"
140 AC_PATH_PROG([$1], [$2])
143 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
148 ]) # FP_ARG_WITH_PATH_GNU_PROG
151 # FP_PROG_CONTEXT_DIFF
152 # --------------------
153 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
155 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
157 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
158 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
159 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
160 [echo foo > conftest1
162 fp_cv_context_diff=no
163 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
165 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
166 fp_cv_context_diff="diff $fp_var"
170 if test x"$fp_cv_context_diff" = xno; then
171 AC_MSG_ERROR([cannot figure out how to do context diffs])
173 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
174 ])# FP_PROG_CONTEXT_DIFF
177 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
178 # --------------------------------------------------------
179 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
180 # compilation. Execute IF-FAILS when unable to determine the value. Works for
181 # cross-compilation, too.
183 # Implementation note: We are lazy and use an internal autoconf macro, but it
184 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
186 AC_DEFUN([FP_COMPUTE_INT],
187 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
191 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
192 # ------------------------------------------------------------------
193 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
194 # given type. Defines ALIGNMENT_TYPE.
195 AC_DEFUN([FP_CHECK_ALIGNMENT],
196 [AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
197 [AC_FATAL([$0: requires literal arguments])])[]dnl
198 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
199 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
200 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
201 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
202 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
204 [AC_INCLUDES_DEFAULT([$3])],
205 [AC_MSG_ERROR([cannot compute alignment ($1)
206 See `config.log' for more details.], [77])])
210 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
211 m4_popdef([fp_Cache])[]dnl
212 ])# FP_CHECK_ALIGNMENT
215 # FP_LEADING_UNDERSCORE
216 # ---------------------
217 # Test for determining whether symbol names have a leading underscore. We assume
218 # that they _haven't_ if anything goes wrong. Sets the output variable
219 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
221 # Some nlist implementations seem to try to be compatible by ignoring a leading
222 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
223 # checking for *no* leading underscore first. Sigh. --SDM
225 # Similarly on OpenBSD, but this test doesn't help. -- dons
226 AC_DEFUN([FP_LEADING_UNDERSCORE],
227 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
228 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
229 # Hack!: nlist() under Digital UNIX insist on there being an _,
230 # but symbol table listings shows none. What is going on here?!?
232 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
233 # the underscoredness of that "platform"
234 case $HostPlatform in
235 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
237 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
238 *) fptools_cv_leading_underscore=no ;;
240 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
241 *cygwin32) fptools_cv_leading_underscore=yes;;
242 *mingw32) fptools_cv_leading_underscore=yes;;
244 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
245 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
247 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
249 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
250 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
258 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
260 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
264 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
267 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
268 if test x"$fptools_cv_leading_underscore" = xyes; then
269 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
270 fi])# FP_LEADING_UNDERSCORE
273 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
274 # ----------------------------------------------------------------------------------
275 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
276 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
277 AC_DEFUN([FP_COMPARE_VERSIONS],
278 [fp_version1=$1; fp_version2=$3
279 fp_save_IFS=$IFS; IFS='.'
280 while test x"$fp_version1" != x || test x"$fp_version2" != x
283 set dummy $fp_version1; shift
285 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
286 test x"$fp_num1" = x && fp_num1="0"
289 set dummy $fp_version2; shift
291 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
292 test x"$fp_num2" = x && fp_num2="0"
295 test "$fp_num1" = "$fp_num2" || break;
298 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
299 ])# FP_COMPARE_VERSIONS
303 dnl Check for GreenCard and version.
305 AC_DEFUN([FPTOOLS_GREENCARD],
307 AC_PATH_PROG(GreenCardCmd,greencard)
308 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
310 [if test x"$GreenCardCmd" != x; then
311 fptools_cv_greencard_version="`$GreenCardCmd --version |
312 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
314 fptools_cv_greencard_version=""
318 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
319 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
320 GreenCardVersion=$fptools_cv_greencard_version
321 AC_SUBST(GreenCardVersion)
325 dnl Check for Happy and version. If we're building GHC, then we need
326 dnl at least Happy version 1.14. If there's no installed Happy, we look
327 dnl for a happy source tree and point the build system at that instead.
329 AC_DEFUN([FPTOOLS_HAPPY],
330 [AC_PATH_PROG(HappyCmd,happy,)
331 # Happy is passed to Cabal, so we need a native path
332 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
333 test "${OSTYPE}" != "msys" && \
334 test "${HappyCmd}" != ""
336 # Canonicalise to <drive>:/path/to/gcc
337 HappyCmd=`cygpath -m "${HappyCmd}"`
338 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
341 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
343 [if test x"$HappyCmd" != x; then
344 fptools_cv_happy_version=`"$HappyCmd" -v |
345 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
347 fptools_cv_happy_version="";
351 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
353 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
354 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
356 HappyVersion=$fptools_cv_happy_version;
357 AC_SUBST(HappyVersion)
361 dnl Check for Alex and version. If we're building GHC, then we need
362 dnl at least Alex version 2.0.1.
364 AC_DEFUN([FPTOOLS_ALEX],
366 AC_PATH_PROG(AlexCmd,alex,)
367 # Alex is passed to Cabal, so we need a native path
368 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
369 test "${OSTYPE}" != "msys" && \
370 test "${AlexCmd}" != ""
372 # Canonicalise to <drive>:/path/to/gcc
373 AlexCmd=`cygpath -m "${AlexCmd}"`
376 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
378 [if test x"$AlexCmd" != x; then
379 fptools_cv_alex_version=`"$AlexCmd" -v |
380 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
382 fptools_cv_alex_version="";
386 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
388 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
389 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
391 AlexVersion=$fptools_cv_alex_version;
392 AC_SUBST(AlexVersion)
398 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
399 # variable's value is empty.
400 AC_DEFUN([FP_PROG_LD_X],
402 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
403 [echo 'foo() {}' > conftest.c
404 ${CC-cc} -c conftest.c
405 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
411 if test "$fp_cv_ld_x" = yes; then
422 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
424 AC_DEFUN([FP_PROG_LD_IS_GNU],
426 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
427 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
432 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
433 ])# FP_PROG_LD_IS_GNU
438 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
439 # version of it. Exits if no ar can be found
440 AC_DEFUN([FP_PROG_AR],
441 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
442 if test -z "$fp_prog_ar_raw"; then
443 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
445 fp_prog_ar="$fp_prog_ar_raw"
446 case $HostPlatform in
447 *mingw32) if test x${OSTYPE} != xmsys; then
448 fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
449 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
458 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
459 AC_DEFUN([FP_PROG_AR_IS_GNU],
460 [AC_REQUIRE([FP_PROG_AR])
461 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
462 [if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
463 fp_cv_prog_ar_is_gnu=yes
465 fp_cv_prog_ar_is_gnu=no
467 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
468 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
469 ])# FP_PROG_AR_IS_GNU
472 # FP_PROG_AR_SUPPORTS_ATFILE
474 # Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
475 # or not it supports the @file syntax
476 AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
477 [AC_REQUIRE([FP_PROG_AR])
478 AC_REQUIRE([FP_PROG_AR_ARGS])
479 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
483 echo conftest.file > conftest.atfile
484 echo conftest.file >> conftest.atfile
485 "$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
486 fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
488 if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
490 fp_cv_prog_ar_supports_atfile=yes
492 fp_cv_prog_ar_supports_atfile=no
494 fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
495 AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
496 ])# FP_PROG_AR_SUPPORTS_ATFILE
500 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
501 # to a non-Cygwin invocation of ar including these arguments.
502 AC_DEFUN([FP_PROG_AR_ARGS],
503 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
504 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
506 # GNU ar needs special treatment: it appears to have problems with
507 # object files with the same name if you use the 's' modifier, but
508 # simple 'ar q' works fine, and doesn't need a separate ranlib.
509 if test $fp_prog_ar_is_gnu = yes; then
510 fp_cv_prog_ar_args="q"
513 for fp_var in clqsZ clqs cqs clq cq ; do
515 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
516 fp_cv_prog_ar_args=$fp_var
521 if test -z "$fp_cv_prog_ar_args"; then
522 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
525 fp_prog_ar_args=$fp_cv_prog_ar_args
526 AC_SUBST([ArCmd], ["$fp_prog_ar"])
527 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
532 # FP_PROG_AR_NEEDS_RANLIB
533 # -----------------------
534 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
536 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
537 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
538 AC_REQUIRE([FP_PROG_AR_ARGS])
539 AC_REQUIRE([AC_PROG_CC])
540 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
541 [if test $fp_prog_ar_is_gnu = yes; then
542 fp_cv_prog_ar_needs_ranlib=no
543 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
544 # It's quite tedious to check for Apple's crazy timestamps in .a files,
546 fp_cv_prog_ar_needs_ranlib=yes
547 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
548 fp_cv_prog_ar_needs_ranlib=no
550 fp_cv_prog_ar_needs_ranlib=yes
552 if test $fp_cv_prog_ar_needs_ranlib = yes; then
558 ])# FP_PROG_AR_NEEDS_RANLIB
561 # FP_PROG_AR_SUPPORTS_INPUT
562 # -------------------------
563 # Sets the output variable ArSupportsInput to "-input" or "", depending on
564 # whether ar supports -input flag is supported or not.
565 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
566 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
567 AC_REQUIRE([FP_PROG_AR_ARGS])
568 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
569 [fp_cv_prog_ar_supports_input=no
570 if test $fp_prog_ar_is_gnu = no; then
573 if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
574 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
578 if test $fp_cv_prog_ar_supports_input = yes; then
579 ArSupportsInput="-input"
583 AC_SUBST([ArSupportsInput])
584 ])# FP_PROG_AR_SUPPORTS_INPUT
588 dnl AC_SHEBANG_PERL - can we she-bang perl?
590 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
591 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
596 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
597 if test $? -ne 69; then
598 fptools_cv_shebang_perl=yes
600 fptools_cv_shebang_perl=no
608 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
609 # output variables HaveGcc and GccVersion.
610 AC_DEFUN([FP_HAVE_GCC],
611 [AC_REQUIRE([AC_PROG_CC])
612 if test -z "$GCC"; then
617 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
618 AC_MSG_ERROR([gcc is required])
621 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
622 [if test "$fp_have_gcc" = "YES"; then
623 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
624 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
625 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
626 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
627 # isn't a very good reason for that, but for now just make configure
629 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
631 fp_cv_gcc_version="not-installed"
634 AC_SUBST([HaveGcc], [$fp_have_gcc])
635 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
639 dnl Small feature test for perl version. Assumes PerlCmd
640 dnl contains path to perl binary.
642 dnl (Perl versions prior to v5.6 does not contain the string "v5";
643 dnl instead they display version strings such as "version 5.005".)
645 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
646 [$PerlCmd -v >conftest.out 2>&1
647 if grep "v5" conftest.out >/dev/null 2>&1; then
650 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
656 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
657 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
658 # -----------------------------------------------------
659 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
660 # of PROG-TO-CHECK-FOR when found.
661 AC_DEFUN([FP_CHECK_PROG],
662 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
668 # Find a non-WinDoze version of the "find" utility.
669 AC_DEFUN([FP_PROG_FIND],
670 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
671 echo foo > conftest.txt
672 $fp_prog_find conftest.txt -print > conftest.out 2>&1
673 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
674 # OK, looks like a real "find".
675 case $HostPlatform in
677 if test x${OSTYPE} != xmsys
679 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
680 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
684 FindCmd="$fp_prog_find"
686 # Found a poor WinDoze version of "find", ignore it.
687 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
688 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
690 rm -f conftest.txt conftest.out
691 AC_SUBST([FindCmd])[]dnl
697 # Find a Unix-like sort
698 AC_DEFUN([FP_PROG_SORT],
699 [AC_PATH_PROG([fp_prog_sort], [sort])
700 echo conwip > conftest.txt
701 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
702 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
704 SortCmd="$fp_prog_sort"
706 # Summink else..pick next one.
707 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
708 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
710 rm -f conftest.txt conftest.out
711 AC_SUBST([SortCmd])[]dnl
715 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
716 dnl values of the second argument to the result of running
717 dnl the commands given by the third. It does not cache its
718 dnl result, so it is suitable for checks which should be
721 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
722 [AC_MSG_CHECKING([$1])
724 AC_MSG_RESULT([$][$2])
728 dnl FPTOOLS_GHC_VERSION(version)
729 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
730 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
732 dnl Test for version of installed ghc. Uses $GHC.
733 dnl [original version pinched from c2hs]
735 AC_DEFUN([FPTOOLS_GHC_VERSION],
736 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
737 ["${WithGhc-ghc}" --version > conftestghc 2>&1
738 cat conftestghc >&AS_MESSAGE_LOG_FD
739 #Useless Use Of cat award...
740 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
742 if test "[$]fptools_version_of_ghc" = ""
744 fptools_version_of_ghc='unknown'
746 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
747 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
748 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
750 if test "[$]fptools_version_of_ghc[_pl]" = ""
752 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
753 fptools_version_of_ghc[_pl]="0"
755 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
759 [$1]="[$]fptools_version_of_ghc[_all]"
761 [$1]="[$]fptools_version_of_ghc[_major]"
762 [$2]="[$]fptools_version_of_ghc[_minor]"
764 [$1]="[$]fptools_version_of_ghc[_major]"
765 [$2]="[$]fptools_version_of_ghc[_minor]"
766 [$3]="[$]fptools_version_of_ghc[_pl]"
768 [$1]="[$]fptools_version_of_ghc[_all]"
769 [$2]="[$]fptools_version_of_ghc[_major]"
770 [$3]="[$]fptools_version_of_ghc[_minor]"
771 [$4]="[$]fptools_version_of_ghc[_pl]"
777 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
778 # ---------------------------------------------------------------------------------
779 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
780 # additional flexibility of specifying the PROLOGUE and BODY.
781 AC_DEFUN([FP_CHECK_FUNC],
782 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
783 AC_CACHE_CHECK([for $1], fp_func,
784 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
785 [AS_VAR_SET(fp_func, yes)],
786 [AS_VAR_SET(fp_func, no)])])
787 AS_IF([test AS_VAR_GET(fp_func) = yes],
788 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
789 [Define to 1 if you have the `]$1[' function.]) $4],
791 AS_VAR_POPDEF([fp_func])dnl
797 # Generates a DocBook XML V4.5 document in conftest.xml.
799 # It took a lot of experimentation to find a document that will cause
800 # xsltproc to fail with an error code when the relevant
801 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
802 # a single-file document, it seems a multi-file document is needed.
805 AC_DEFUN([FP_GEN_DOCBOOK_XML],
806 [rm -f conftest.xml conftest-book.xml
807 cat > conftest.xml << EOF
808 <?xml version="1.0" encoding="iso-8859-1"?>
809 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
810 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
811 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
817 cat >conftest-book.xml << EOF
818 <?xml version="1.0" encoding="iso-8859-1"?>
819 <title>A DocBook “Test Document”</title>
820 <chapter id="id-one">
821 <title>A Chapter Title</title>
822 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
824 <chapter id="id-two">
825 <title>Another Chapter Title</title>
826 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
829 ]) # FP_GEN_DOCBOOK_XML
834 # Sets the output variable DblatexCmd to the full path of dblatex,
835 # which we use for building PDF and PS docs.
836 # DblatexCmd is empty if dblatex could not be found.
837 AC_DEFUN([FP_PROG_DBLATEX],
838 [AC_PATH_PROG([DblatexCmd], [dblatex])
839 if test -z "$DblatexCmd"; then
840 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
847 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
848 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
849 AC_DEFUN([FP_PROG_XSLTPROC],
850 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
851 if test -z "$XsltprocCmd"; then
852 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
858 # ----------------------------
859 # Check that we can process a DocBook XML document to HTML using xsltproc.
860 AC_DEFUN([FP_DOCBOOK_XSL],
861 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
862 if test -n "$XsltprocCmd"; then
863 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
865 fp_cv_dir_docbook_xsl=no
866 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
867 fp_cv_dir_docbook_xsl=yes
871 if test x"$fp_cv_dir_docbook_xsl" = xno; then
872 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
877 AC_SUBST([HAVE_DOCBOOK_XSL])
883 # Sets the output variable XmllintCmd to the full path of the XSLT processor
884 # xmllint. XmllintCmd is empty if xmllint could not be found.
885 AC_DEFUN([FP_PROG_XMLLINT],
886 [AC_PATH_PROG([XmllintCmd], [xmllint])
887 if test -z "$XmllintCmd"; then
888 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
893 # FP_CHECK_DOCBOOK_DTD
894 # --------------------
895 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
896 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
897 if test -n "$XmllintCmd"; then
898 AC_MSG_CHECKING([for DocBook DTD])
900 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
903 AC_MSG_RESULT([failed])
904 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
905 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
909 ])# FP_CHECK_DOCBOOK_DTD
914 # Generates a formatting objects document in conftest.fo.
915 AC_DEFUN([FP_GEN_FO],
917 cat > conftest.fo << EOF
918 <?xml version="1.0"?>
919 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
920 <fo:layout-master-set>
921 <fo:simple-page-master master-name="blank">
923 </fo:simple-page-master>
924 </fo:layout-master-set>
925 <fo:page-sequence master-reference="blank">
926 <fo:flow flow-name="xsl-region-body">
939 # Set the output variable 'FopCmd' to the first working 'fop' in the current
940 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
941 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
942 AC_DEFUN([FP_PROG_FOP],
943 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
944 if test -n "$FopCmd1"; then
945 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
947 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
948 fp_cv_fop_usability=yes
950 fp_cv_fop_usability=no
953 if test x"$fp_cv_fop_usability" = xyes; then
957 if test -z "$FopCmd"; then
958 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
967 # Sets the output variable HstagsCmd to the full Haskell tags program path.
968 # HstagsCmd is empty if no such program could be found.
969 AC_DEFUN([FP_PROG_HSTAGS],
970 [AC_PATH_PROG([HstagsCmd], [hasktags])
971 if test -z "$HstagsCmd"; then
972 AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
979 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
980 # WithGhc. Sets the output variable GhcPkgCmd.
981 AC_DEFUN([FP_PROG_GHC_PKG],
982 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
984 # If we are told to use ghc-stage2, then we're using an in-tree
985 # compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
986 # so we sed off -stage[0-9]$. However, if we are told to use
987 # ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
989 fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
990 if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
991 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
993 AC_MSG_ERROR([Cannot find matching ghc-pkg])
995 GhcPkgCmd=$fp_cv_matching_ghc_pkg
996 AC_SUBST([GhcPkgCmd])
1000 # FP_GCC_EXTRA_FLAGS
1001 # ------------------
1002 # Determine which extra flags we need to pass gcc when we invoke it
1003 # to compile .hc code.
1005 # Some OSs (Mandrake Linux, in particular) configure GCC with
1006 # -momit-leaf-frame-pointer on by default. If this is the case, we
1007 # need to turn it off for mangling to work. The test is currently a
1008 # bit crude, using only the version number of gcc.
1010 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
1011 # integer wrap around. (Trac #952)
1013 # -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
1014 # reordering things in the module and confusing the manger and/or splitter.
1017 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1018 [AC_REQUIRE([FP_HAVE_GCC])
1019 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
1020 [fp_cv_gcc_extra_opts=
1021 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1022 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
1024 case $TargetPlatform in
1026 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
1027 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
1029 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1030 [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1031 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1032 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
1037 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1038 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
1043 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1047 # FP_SETUP_PROJECT_VERSION
1048 # ---------------------
1049 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1051 if test "$RELEASE" = "NO"; then
1052 AC_MSG_CHECKING([for GHC version date])
1053 if test -f VERSION_DATE; then
1054 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1055 AC_MSG_RESULT(given $PACKAGE_VERSION)
1056 elif test -d .git; then
1058 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/"`
1059 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
1060 changequote([, ])dnl
1061 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1063 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1064 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1065 elif test -d _darcs; then
1066 # TODO: Remove this branch after conversion to Git
1068 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`
1069 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
1070 changequote([, ])dnl
1071 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1073 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1074 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1075 elif test -f VERSION; then
1076 PACKAGE_VERSION=`cat VERSION`
1077 AC_MSG_RESULT(given $PACKAGE_VERSION)
1079 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1084 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1085 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1087 # Split PACKAGE_VERSION into (possibly empty) parts
1088 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1089 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1090 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1091 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1093 # Calculate project version as an integer, using 2 digits for minor version
1094 case $VERSION_MINOR in
1095 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1096 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1097 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1099 AC_SUBST([ProjectVersionInt])
1101 # The project patchlevel is zero unless stated otherwise
1102 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1104 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1105 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1107 AC_SUBST([ProjectPatchLevel])
1108 ])# FP_SETUP_PROJECT_VERSION
1111 # Check for a working timer_create(). We need a pretty detailed check
1112 # here, because there exist partially-working implementations of
1113 # timer_create() in certain versions of Linux (see bug #1933).
1115 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1116 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1117 [fptools_cv_timer_create_works],
1120 #ifdef HAVE_STDLIB_H
1126 #ifdef HAVE_SIGNAL_H
1129 #ifdef HAVE_UNISTD_H
1133 static volatile int tock = 0;
1134 static void handler(int i)
1139 static void timeout(int i)
1141 // timer_settime() has been known to hang, so just in case
1142 // we install a 1-second timeout (see #2257)
1146 int main(int argc, char *argv[])
1151 struct itimerspec it;
1152 struct sigaction action;
1155 ev.sigev_notify = SIGEV_SIGNAL;
1156 ev.sigev_signo = SIGVTALRM;
1158 action.sa_handler = handler;
1159 action.sa_flags = 0;
1160 sigemptyset(&action.sa_mask);
1161 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1162 fprintf(stderr,"SIGVTALRM problem\n");
1166 action.sa_handler = timeout;
1167 action.sa_flags = 0;
1168 sigemptyset(&action.sa_mask);
1169 if (sigaction(SIGALRM, &action, NULL) == -1) {
1170 fprintf(stderr,"SIGALRM problem\n");
1175 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1176 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1180 it.it_value.tv_sec = 0;
1181 it.it_value.tv_nsec = 1;
1182 it.it_interval = it.it_value;
1183 if (timer_settime(timer, 0, &it, NULL) != 0) {
1184 fprintf(stderr,"settime problem\n");
1190 for(n = 3; n < 20000; n++){
1191 for(m = 2; m <= n/2; m++){
1192 if (!(n%m)) count++;
1199 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1203 timer_delete(timer);
1205 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1206 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1210 it.it_value.tv_sec = 0;
1211 it.it_value.tv_nsec = 1000000;
1212 it.it_interval = it.it_value;
1213 if (timer_settime(timer, 0, &it, NULL) != 0) {
1214 fprintf(stderr,"settime problem\n");
1223 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1227 timer_delete(timer);
1232 [fptools_cv_timer_create_works=yes],
1233 [fptools_cv_timer_create_works=no])
1235 case $fptools_cv_timer_create_works in
1236 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1237 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1243 AC_DEFUN([FP_ICONV],
1245 dnl--------------------------------------------------------------------
1246 dnl * Deal with arguments telling us iconv is somewhere odd
1247 dnl--------------------------------------------------------------------
1249 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
1250 dnl to the empty string to allow them to be overridden from the
1253 AC_ARG_WITH([iconv-includes],
1254 [AC_HELP_STRING([--with-iconv-includes],
1255 [directory containing iconv.h])],
1256 [ICONV_INCLUDE_DIRS=$withval])
1258 AC_ARG_WITH([iconv-libraries],
1259 [AC_HELP_STRING([--with-iconv-libraries],
1260 [directory containing iconv library])],
1261 [ICONV_LIB_DIRS=$withval])
1263 AC_SUBST(ICONV_INCLUDE_DIRS)
1264 AC_SUBST(ICONV_LIB_DIRS)
1271 dnl--------------------------------------------------------------------
1272 dnl * Deal with arguments telling us gmp is somewhere odd
1273 dnl--------------------------------------------------------------------
1275 AC_ARG_WITH([gmp-includes],
1276 [AC_HELP_STRING([--with-gmp-includes],
1277 [directory containing gmp.h])],
1278 [GMP_INCLUDE_DIRS=$withval])
1280 AC_ARG_WITH([gmp-libraries],
1281 [AC_HELP_STRING([--with-gmp-libraries],
1282 [directory containing gmp library])],
1283 [GMP_LIB_DIRS=$withval])
1285 AC_SUBST(GMP_INCLUDE_DIRS)
1286 AC_SUBST(GMP_LIB_DIRS)
1289 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1290 # ---------------------------------
1291 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1293 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1294 AC_MSG_CHECKING([Mac OS X deployment target])
1295 case $FP_MACOSX_DEPLOYMENT_TARGET in
1297 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1298 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1300 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1301 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1303 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1304 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1307 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1310 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1311 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1313 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1318 # --------------------------------------------------------------
1319 # Calculate absolute path to build tree
1320 # --------------------------------------------------------------
1322 AC_DEFUN([FP_INTREE_GHC_PWD],[
1323 AC_MSG_NOTICE(Building in-tree ghc-pwd)
1325 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1326 dnl except we don't want to have to know what make is called. Sigh.
1327 rm -rf utils/ghc-pwd/dist-boot
1328 mkdir utils/ghc-pwd/dist-boot
1329 if ! "$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
1331 AC_MSG_ERROR([Building ghc-pwd failed])
1334 GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
1337 AC_DEFUN([FP_BINDIST_GHC_PWD],[
1338 GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
1341 AC_DEFUN([FP_FIND_ROOT],[
1342 AC_MSG_CHECKING(for path to top of build tree)
1345 dnl Remove common automounter nonsense
1346 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1348 if ! test -d "$hardtop"; then
1349 AC_MSG_ERROR([cannot determine current directory])
1352 dnl We don't support building in directories with spaces.
1356 The build system does not support building in a directory
1357 containing space characters.
1358 Suggestion: move the build tree somewhere else.])
1364 AC_MSG_RESULT($hardtop)
1367 # GHC_CONVERT_CPU(cpu, target_var)
1368 # --------------------------------
1369 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1370 AC_DEFUN([GHC_CONVERT_CPU],[
1427 echo "Unknown CPU $1"
1433 # GHC_CONVERT_VENDOR(vendor, target_var)
1434 # --------------------------------
1435 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1436 AC_DEFUN([GHC_CONVERT_VENDOR],[
1440 # GHC_CONVERT_OS(os, target_var)
1441 # --------------------------------
1442 # converts os from gnu to ghc naming, and assigns the result to $target_var
1443 AC_DEFUN([GHC_CONVERT_OS],[
1448 # As far as I'm aware, none of these have relevant variants
1449 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1453 echo "Unknown OS $1"
1459 # LIBRARY_VERSION(lib)
1460 # --------------------------------
1461 # Gets the version number of a library.
1462 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1463 AC_DEFUN([LIBRARY_VERSION],[
1464 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1465 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)