-dnl $Id: aclocal.m4,v 1.63 2001/01/15 22:24:54 lewie Exp $
-dnl do not read me
+dnl $Id: aclocal.m4,v 1.75 2001/06/26 23:12:19 sof Exp $
dnl
dnl Extra autoconf macros for the Glasgow fptools
dnl
#include <unistd.h>
#endif
#include <regex.h>
-],[ struct re_pattern_buffer patbuf; re_compile_pattern("",0,&patbuf); ],
+],[ struct re_pattern_buffer patbuf;
+ re_compile_pattern("",0,&patbuf);
+ re_search_2 (&patbuf, "", 0, "",0, 0,0,0,0); ],
fptools_cv_have_regex=yes, fptools_cv_have_regex=no)])
if test "$fptools_cv_have_regex" = yes; then
HaveRegex=YES
])
dnl
+dnl FPTOOLS_PROG_CHECK_VERSION(VERSIONSTR1, TEST, VERSIONSTR2,
+dnl ACTION-IF-TRUE [, ACTION-IF-FALSE])
+dnl
+dnl compare versions field-wise (separator is '.')
+dnl TEST is one of {-lt,-le,-eq,-ge,-gt}
+dnl
+dnl quite shell-independant and SUSv2 compliant code
+dnl
+dnl NOTE: the loop could be unrolled within autoconf, but the
+dnl macro code would be a) longer and b) harder to debug... ;)
+dnl
+AC_DEFUN(FPTOOLS_PROG_CHECK_VERSION,
+[if ( IFS=".";
+ a="[$1]"; b="[$3]";
+ while test -n "$a$b"
+ do
+ set -- [$]a; h1="[$]1"; shift 2>/dev/null; a="[$]*"
+ set -- [$]b; h2="[$]1"; shift 2>/dev/null; b="[$]*"
+ test -n "[$]h1" || h1=0; test -n "[$]h2" || h2=0
+ test [$]{h1} -eq [$]{h2} || break
+ done
+ test [$]{h1} [$2] [$]{h2}
+ )
+then ifelse([$4],,[:],[
+ $4])
+ifelse([$5],,,
+[else
+ $5])
+fi
+])])dnl
+
+
+dnl
dnl Check for Happy and version. If we're building GHC, then we need
-dnl at least Happy version 1.6. If there's no installed Happy, we look
+dnl at least Happy version 1.9. If there's no installed Happy, we look
dnl for a happy source tree and point the build system at that instead.
dnl
-dnl ToDo: when we reset HappyCmd to the source tree, autoconf doesn't
-dnl seems to insert it in the cache file. sigh.
-dnl
AC_DEFUN(FPTOOLS_HAPPY,
-[AC_PATH_PROG(HappyCmd,happy)
+[
+if test -d $srcdir/happy; then
+ SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
+fi
+#AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
+HappyCmd=$SrcTreeHappyCmd
+AC_SUBST(HappyCmd)
AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
-[if test x"$HappyCmd" != x; then
- fptools_cv_happy_version="`$HappyCmd -v |
changequote(, )dnl
- grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
-elif test -d $srcdir/happy; then
- HappyCmd=$hardtop/happy/src/happy-inplace;
+[if test x"$HappyCmd" = x"$SrcTreeHappyCmd"; then
fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
- echo -n "using happy from the source tree... ";
+elif test x"$HappyCmd" != x; then
+ fptools_cv_happy_version="`$HappyCmd -v |
+ grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
else
fptools_cv_happy_version="";
fi;
changequote([, ])dnl
-if expr "$fptools_cv_happy_version" "<" 1.6 > /dev/null 2>&1; then
- if test -d $srcdir/ghc; then
- echo
- echo "Happy version 1.6 or later is required to compile GHC."
- exit 1;
- fi
-fi;
])
+if test -d $srcdir/ghc; then
+ FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_happy_version],-lt,[1.9],
+ [AC_MSG_ERROR([Happy version 1.9 or later is required to compile GHC.])])dnl
+fi
HappyVersion=$fptools_cv_happy_version;
AC_SUBST(HappyVersion)
])
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
- fprintf(f, "(%d)\n", $1);
+ fprintf(f, "%d\n", $1);
exit(0);
}],
eval "$cv_name=`cat conftestval`",
-eval "$cv_name='(-1)'",
+eval "$cv_name=-1",
ifelse([$2], , , eval "$cv_name=$2"))])dnl
eval "fptools_check_cconst_result=`echo '$'{$cv_name}`"
AC_MSG_RESULT($fptools_check_cconst_result)
dnl set to a value which is suitable for use in a Makefile (for example,
dnl in make's LOADLIBES macro) provided you AC_SUBST it first.
dnl
-dnl @version 0.01 $Id: aclocal.m4,v 1.63 2001/01/15 22:24:54 lewie Exp $
dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
# FPTOOLS_CHECK_LIBM - check for math library
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
LIBM=
case "$host" in
-*-*-beos* | *-*-cygwin*)
+*-*-beos* | *-*-macosx*)
# These system don't have libm
;;
*-ncr-sysv4.3*)
dnl the version number increases, so you may have to adjust the above
dnl URL accordingly.
dnl
-dnl @version 0.01 $Id: aclocal.m4,v 1.63 2001/01/15 22:24:54 lewie Exp $
dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
AC_DEFUN(FPTOOLS_HAVE_OPENGL,
])
# LocalWords: fi
+
+dnl
+dnl acspecific.m4's defn of AC_PROG_LEX is a bit too permissive, as it
+dnl defaults to 'lex' if 'flex' isn't found (without checking whether
+dnl 'lex' is actually present along the user's PATH).
+dnl
+AC_DEFUN(AC_PROG_LEX_STRICT,
+[AC_CHECK_PROG(LEX, flex, flex)
+if test -z "$LEX"
+then
+ AC_CHECK_PROG(LEX,lex,lex)
+ test -z "$LEX" && AC_MSG_ERROR(['lex' or 'flex' is required to compile GHC.])
+fi
+])
+
+dnl
+dnl Check to see whether CC (gcc) supports the -mwin32 option.
+dnl
+AC_DEFUN(FPTOOLS_CC_MWIN32,
+[AC_CACHE_CHECK([whether $CC accepts -mwin32], ac_cv_cc_supports_mwin32,
+[save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -mwin32"
+ AC_LANG_C
+ AC_TRY_COMPILE(,[int main(){return(0);}], ac_cv_cc_supports_mwin32=yes, ac_cv_cc_supports_mwin32=no)
+ CFLAGS="$CFLAGS_save"])
+if test "$ac_cv_cc_supports_mwin32" = yes; then
+ CC_MWIN32_FLAG="-mwin32";
+else
+ CC_MWIN32_FLAG="";
+fi;
+AC_SUBST(CC_MWIN32_FLAG)
+])
projects / ghc-hetmet.git / blobdiff