-dnl $Id: aclocal.m4,v 1.77 2001/06/30 00:00:49 sof Exp $
+dnl $Id: aclocal.m4,v 1.81 2001/07/19 22:08:07 sof Exp $
dnl
dnl Extra autoconf macros for the Glasgow fptools
dnl
])
dnl
+dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
+dnl values of the second argument to the result of running
+dnl the commands given by the third. It does not cache its
+dnl result, so it is suitable for checks which should be
+dnl run every time.
+dnl
+AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
+[AC_MSG_CHECKING([$1])
+ $3
+ AC_MSG_RESULT([$][$2])
+])
+
+dnl
dnl FPTOOLS_GHC_VERSION(version)
dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
dnl [original version pinched from c2hs]
dnl
AC_DEFUN(FPTOOLS_GHC_VERSION,
-[define([FPTOOLS_CV_GHC_VERSION], [fptools_cv_ghc_version])dnl
-AC_CACHE_CHECK([version of ghc], FPTOOLS_CV_GHC_VERSION, [dnl
-${WithGhc-ghc} --version > conftestghc 2>&1
+[FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
+[${WithGhc-ghc} --version > conftestghc 2>&1
cat conftestghc >&AC_FD_CC
-dnl `Useless Use Of cat' award...
-changequote(<<, >>)dnl
- FPTOOLS_CV_GHC_VERSION=`cat conftestghc | sed -n -e 's/, patchlevel *\([0-9]\)/.\1/;s/.* version \([0-9][0-9.]*\).*/\1/p'`
-changequote([, ])dnl
+#Useless Use Of cat award...
+ fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
rm -fr conftest*
- if test "[$]FPTOOLS_CV_GHC_VERSION" = ""
+ if test "[$]fptools_version_of_ghc" = ""
then
- FPTOOLS_CV_GHC_VERSION='unknown'
- fi])
-changequote(<<, >>)dnl
-FPTOOLS_CV_GHC_VERSION<<_major>>=`echo <<$>>FPTOOLS_CV_GHC_VERSION | sed -e 's/^\([0-9]\).*/\1/'`
-FPTOOLS_CV_GHC_VERSION<<_minor>>=`echo <<$>>FPTOOLS_CV_GHC_VERSION | sed -e 's/^[0-9]\.\([0-9]*\).*/\1/'`
-FPTOOLS_CV_GHC_VERSION<<_pl>>=`echo <<$>>FPTOOLS_CV_GHC_VERSION | sed -n -e 's/^[0-9]\.[0-9]*\.\([0-9]*\)/\1/p'`
-changequote([, ])dnl
-if test "[$]FPTOOLS_CV_GHC_VERSION[_pl]" = ""
+ fptools_version_of_ghc='unknown'
+ fi
+fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
+fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
+fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
+#
+if test "[$]fptools_version_of_ghc[_pl]" = ""
then
- FPTOOLS_CV_GHC_VERSION[_all]="[$]FPTOOLS_CV_GHC_VERSION[_major].[$]FPTOOLS_CV_GHC_VERSION[_minor]"
- FPTOOLS_CV_GHC_VERSION[_pl]="0"
+ fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
+ fptools_version_of_ghc[_pl]="0"
else
- FPTOOLS_CV_GHC_VERSION[_all]="[$]FPTOOLS_CV_GHC_VERSION[_major].[$]FPTOOLS_CV_GHC_VERSION[_minor].[$]FPTOOLS_CV_GHC_VERSION[_pl]"
+ fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
fi
+#
ifelse($#, [1], [dnl
-[$1]="[$]FPTOOLS_CV_GHC_VERSION[_all]"
+[$1]="[$]fptools_version_of_ghc[_all]"
], $#, [2], [dnl
-[$1]="[$]FPTOOLS_CV_GHC_VERSION[_major]"
-[$2]="[$]FPTOOLS_CV_GHC_VERSION[_minor]"
+[$1]="[$]fptools_version_of_ghc[_major]"
+[$2]="[$]fptools_version_of_ghc[_minor]"
], $#, [3], [dnl
-[$1]="[$]FPTOOLS_CV_GHC_VERSION[_major]"
-[$2]="[$]FPTOOLS_CV_GHC_VERSION[_minor]"
-[$3]="[$]FPTOOLS_CV_GHC_VERSION[_pl]"
+[$1]="[$]fptools_version_of_ghc[_major]"
+[$2]="[$]fptools_version_of_ghc[_minor]"
+[$3]="[$]fptools_version_of_ghc[_pl]"
], $#, [4], [dnl
-[$1]="[$]FPTOOLS_CV_GHC_VERSION[_all]"
-[$2]="[$]FPTOOLS_CV_GHC_VERSION[_major]"
-[$3]="[$]FPTOOLS_CV_GHC_VERSION[_minor]"
-[$4]="[$]FPTOOLS_CV_GHC_VERSION[_pl]"
-], [AC_MSG_ERROR([wrong number of arguments to [$0]])])dnl
-undefine([FPTOOLS_CV_GHC_VERSION])dnl
+[$1]="[$]fptools_version_of_ghc[_all]"
+[$2]="[$]fptools_version_of_ghc[_major]"
+[$3]="[$]fptools_version_of_ghc[_minor]"
+[$4]="[$]fptools_version_of_ghc[_pl]"
+])
+])
])dnl
}],
eval "$cv_name=`cat conftestval`",
eval "$cv_name=-1",
-ifelse([$2], , , eval "$cv_name=$2"))])dnl
+eval "$cv_name=-1")])dnl
eval "fptools_check_cconst_result=`echo '$'{$cv_name}`"
AC_MSG_RESULT($fptools_check_cconst_result)
AC_DEFINE_UNQUOTED($def_name, $fptools_check_cconst_result)
dnl *** Helper function **
dnl
-AC_DEFUN(FPTOOLS_IN_SCOPE,AC_TRY_LINK([extern char* $1;],[return (int)&$2], $3=yes, $3=no))
+AC_DEFUN(FPTOOLS_IN_SCOPE,
+[AC_TRY_LINK([extern char* $1;],[return (int)&$2], $3=yes, $3=no)
+])
dnl *** What's the end-of-text-section marker called? ***
dnl
-AC_DEFUN(FPTOOLS_END_TEXT_SECTION,
-[AC_MSG_CHECKING([for end of text section marker])
-not_done=1
-for i in data_start _data_start etext _etext __etext; do
- FPTOOLS_IN_SCOPE($i,$i,fptools_end_of_text)
- if test "$fptools_end_of_text" = yes; then
- AC_CACHE_VAL([fptools_cv_end_of_text_decl], AC_DEFINE_UNQUOTED(TEXT_SECTION_END_MARKER_DECL, $i))
- AC_CACHE_VAL([fptools_cv_end_of_text], AC_DEFINE_UNQUOTED(TEXT_SECTION_END_MARKER, $i))
- not_done=0
- break
- fi
-done
-if test "$not_done" = 1; then
-FPTOOLS_IN_SCOPE(etext asm("etext"),etext,fptools_end_of_text);
-if test "$fptools_end_of_text" = yes; then
- AC_CACHE_VAL([fptools_cv_end_of_text], AC_DEFINE_UNQUOTED(TEXT_SECTION_END_MARKER, etext))
- AC_CACHE_VAL([fptools_cv_end_of_text_decl], AC_DEFINE_UNQUOTED(TEXT_SECTION_END_MARKER_DECL, etext asm("etext")))
-else
- AC_DEFINE_UNQUOTED(TEXT_SECTION_END_MARKER_DECL, dunno_what_it_is)
- AC_DEFINE_UNQUOTED(TEXT_SECTION_END_MARKER, dunno_what_it_is)
-fi
-fi
-AC_MSG_RESULT([$]fptools_cv_end_of_text)
-])
-
+AC_DEFUN([FPTOOLS_END_TEXT_SECTION],
+[AC_CACHE_CHECK([for end of text section marker],
+ [fptools_cv_end_of_text],
+ [fptools_cv_end_of_text=""
+ not_done=1
+ for i in data_start _data_start etext _etext __etext; do
+ FPTOOLS_IN_SCOPE($i,$i,fptools_end_of_text)
+ if test "$fptools_end_of_text" = yes; then
+ fptools_cv_end_of_text=$i
+ not_done=0
+ break
+ fi
+ done
+ if test "$not_done" = 1; then
+ FPTOOLS_IN_SCOPE(etext asm("etext"),etext,fptools_end_of_text)
+ if test "$fptools_end_of_text" = yes; then
+ fptools_cv_end_of_text="etext"
+ fi
+ fi])
+ if test -n "$fptools_cv_end_of_text"; then
+ AC_DEFINE_UNQUOTED([TEXT_SECTION_END_MARKER], $fptools_cv_end_of_text)
+ else
+ AC_DEFINE_UNQUOTED([TEXT_SECTION_END_MARKER], dunno_end_of_text)
+ fi
+ AC_CACHE_CHECK([for end of text section marker declaration],
+ [fptools_cv_end_of_text_decl],
+ [fptools_cv_end_of_text_decl=""
+ not_done=1
+ for i in data_start _data_start etext _etext __etext; do
+ FPTOOLS_IN_SCOPE($i,$i,fptools_end_of_text_decl)
+ if test "$fptools_end_of_text_decl" = yes; then
+ fptools_cv_end_of_text_decl=$i
+ not_done=0
+ break
+ fi
+ done
+ if test "$not_done" = 1; then
+ FPTOOLS_IN_SCOPE(etext asm("etext"),etext,fptools_end_of_text_decl)
+ if test "$fptools_end_of_text_decl" = yes; then
+ fptools_cv_end_of_text_decl="etext asm(\"etext\")"
+ fi
+ fi])
+ if test -n "$fptools_cv_end_of_text_decl"; then
+ AC_DEFINE_UNQUOTED([TEXT_SECTION_END_MARKER_DECL], $fptools_cv_end_of_text_decl)
+ else
+ AC_DEFINE_UNQUOTED([TEXT_SECTION_END_MARKER_DECL], dunno_end_of_text_decl)
+ fi
+])
+
dnl *** What's the end-of-data-section marker called? ***
dnl
-AC_DEFUN(FPTOOLS_END_DATA_SECTION,
-[AC_MSG_CHECKING([for end of data section marker])
-not_done=1
-for i in end _end __end; do
- FPTOOLS_IN_SCOPE($i,$i,fptools_end_of_data)
- if test "$fptools_end_of_data" = yes; then
- AC_CACHE_VAL([fptools_cv_end_of_data_decl], [AC_DEFINE_UNQUOTED(DATA_SECTION_END_MARKER_DECL, $i)])
- AC_CACHE_VAL([fptools_cv_end_of_data], [AC_DEFINE_UNQUOTED(DATA_SECTION_END_MARKER, $i)])
- not_done=0
- break
- fi
-done
-if test "$not_done" = 1; then
-FPTOOLS_IN_SCOPE(end asm("end"),end,fptools_end_of_data);
-if test "$fptools_end_of_data" = yes; then
- AC_CACHE_VAL([fptools_cv_end_of_data_decl], [AC_DEFINE_UNQUOTED(DATA_SECTION_END_MARKER_DECL, end asm("end"))])
- AC_CACHE_VAL([fptools_cv_end_of_data], [AC_DEFINE_UNQUOTED(DATA_SECTION_END_MARKER, end)])
-else
- AC_CACHE_VAL([fptools_cv_end_of_data_decl], [AC_DEFINE_UNQUOTED(DATA_SECTION_END_MARKER_DECL, dunno_what_it_is)])
- AC_CACHE_VAL([fptools_cv_end_of_data], [AC_DEFINE_UNQUOTED(DATA_SECTION_END_MARKER, dunno_what_it_is)])
-fi
-fi
-AC_MSG_RESULT([$]fptools_cv_end_of_data)
-])
-
-
+AC_DEFUN([FPTOOLS_END_DATA_SECTION],
+[AC_CACHE_CHECK([for end of data section marker],
+ [fptools_cv_end_of_data],
+ [fptools_cv_end_of_data=""
+ not_done=1
+ for i in end _end __end; do
+ FPTOOLS_IN_SCOPE($i,$i,fptools_end_of_data)
+ if test "$fptools_end_of_data" = yes; then
+ fptools_cv_end_of_data=$i
+ not_done=0
+ break
+ fi
+ done
+ if test "$not_done" = 1; then
+ FPTOOLS_IN_SCOPE(end asm("end"),end,fptools_end_of_data)
+ if test "$fptools_end_of_data" = yes; then
+ fptools_cv_end_of_data="end"
+ fi
+ fi])
+ if test -n "$fptools_cv_end_of_data"; then
+ AC_DEFINE_UNQUOTED([DATA_SECTION_END_MARKER], $fptools_cv_end_of_data)
+ else
+ AC_DEFINE_UNQUOTED([DATA_SECTION_END_MARKER], dunno_end_of_data)
+ fi
+ AC_CACHE_CHECK([for end of data section marker declaration],
+ [fptools_cv_end_of_data_decl],
+ [fptools_cv_end_of_data_decl=""
+ not_done=1
+ for i in end _end __end; do
+ FPTOOLS_IN_SCOPE($i,$i,fptools_end_of_data_decl)
+ if test "$fptools_end_of_data_decl" = yes; then
+ fptools_cv_end_of_data_decl=$i
+ not_done=0
+ break
+ fi
+ done
+ if test "$not_done" = 1; then
+ FPTOOLS_IN_SCOPE(end asm("end"),end,fptools_end_of_data_decl)
+ if test "$fptools_end_of_data_decl" = yes; then
+ fptools_cv_end_of_data_decl="end asm(\"end\")"
+ fi
+ fi])
+ if test -n "$fptools_cv_end_of_data_decl"; then
+ AC_DEFINE_UNQUOTED([DATA_SECTION_END_MARKER_DECL], $fptools_cv_end_of_data_decl)
+ else
+ AC_DEFINE_UNQUOTED([DATA_SECTION_END_MARKER_DECL], dunno_end_of_data_decl)
+ fi
+])
+
dnl Based on AC_TRY_LINK - run iftrue if links cleanly with no warning
dnl check for prototypes
dnl
-AC_DEFUN(AC_C_PROTOTYPES,
+AC_DEFUN([AC_C_PROTOTYPES],
[AC_CACHE_CHECK([prototypes], ac_cv_prototypes,
[AC_TRY_COMPILE([
void foo(int);
ac_cv_prototypes=yes,
ac_cv_prototypes=no)])
if test "$ac_cv_prototypes" = yes; then
-AC_DEFINE(HAVE_PROTOTYPES)
+AC_DEFINE([HAVE_PROTOTYPES])
fi
])
dnl Check to see whether CC (gcc) supports a particular option.
dnl
AC_DEFUN(FPTOOLS_CC_FLAG,
-[save_CFLAGS="$CFLAGS"
+[
AC_CACHE_CHECK([whether $CC accepts $1], [ac_cv_cc_$2],
-[CFLAGS="$CFLAGS $1"
+[save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $1"
AC_LANG_C
AC_TRY_COMPILE(,[int main(){return(0);}],
[ac_cv_cc_$2=yes],
[ac_cv_cc_$2=no])
+ CFLAGS="$save_CFLAGS"
])
if test "$ac_cv_cc_$2"x = "yesx"; then
$2=$extra_flag;
projects / ghc-hetmet.git / blobdiff