AC_DEFUN(DC_DO_WIN32, [
AC_CHECK_HEADERS(windows.h windowsx.h)
])
AC_DEFUN(DC_DO_TYPE, [
if test -z "$ac_cv_sizeof_long"; then
AC_C_INLINE
AC_CHECK_SIZEOF(long long, 8)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(short, 2)
fi
FOUND=0
for dc_cv_loop in \$ac_cv_sizeof_long_long \$ac_cv_sizeof_int \$ac_cv_sizeof_long \$ac_cv_sizeof_short; do
dc_cv_size=`eval echo $dc_cv_loop`
dc_cv_name=`echo $dc_cv_loop | sed s/\\\$ac_cv_sizeof_//`
if test "$dc_cv_size" = "$3"; then
if test "$dc_cv_name" = "int"; then
AC_CHECK_TYPE($1, $2 int)
fi
if test "$dc_cv_name" = "long"; then
AC_CHECK_TYPE($1, $2 long)
fi
if test "$dc_cv_name" = "long_long"; then
AC_CHECK_TYPE($1, $2 long long)
fi
if test "$dc_cv_name" = "short"; then
AC_CHECK_TYPE($1, $2 short)
fi
FOUND=1
break
fi
done
])
dnl Usage:
dnl DC_TEST_SHOBJFLAGS(shobjflags, shobjldflags, action-if-not-found)
dnl
AC_DEFUN(DC_TEST_SHOBJFLAGS, [
AC_SUBST(SHOBJFLAGS)
AC_SUBST(SHOBJLDFLAGS)
OLD_LDFLAGS="$LDFLAGS"
SHOBJFLAGS=""
LDFLAGS="$OLD_LDFLAGS $1 $2"
AC_TRY_LINK([#include <stdio.h>
int unrestst(void);], [ printf("okay\n"); unrestst(); return(0); ], [ SHOBJFLAGS="$1"; SHOBJLDFLAGS="$2" ], [
LDFLAGS="$OLD_LDFLAGS"
$3
])
LDFLAGS="$OLD_LDFLAGS"
])
AC_DEFUN(DC_GET_SHOBJFLAGS, [
AC_MSG_CHECKING(how to create shared objects)
DC_TEST_SHOBJFLAGS([-shared -fPIC], [-rdynamic], [
DC_TEST_SHOBJFLAGS([-shared -fPIC], [], [
DC_TEST_SHOBJFLAGS([-shared -fPIC], [-rdynamic -Wl,-G,-z,textoff], [
DC_TEST_SHOBJFLAGS([-shared -fPIC], [-Wl,-G,-z,textoff], [
AC_MSG_ERROR(cant)
])
])
])
])
AC_MSG_RESULT($SHOBJLDFLAGS $SHOBJFLAGS)
])