-dnl $Id: aclocal.m4,v 1.61 2001/01/08 12:58:45 chak Exp $
+dnl $Id: aclocal.m4,v 1.62 2001/01/15 20:55:14 qrczak Exp $
dnl
dnl Extra autoconf macros for the Glasgow fptools
dnl
])
dnl ** Obtain the value of a C constant.
-dnl The value will be `0' if the constant is undefined.
+dnl The value will be `(-1)' if the constant is undefined.
dnl
dnl This is set up so that the argument can be a shell variable.
dnl
{
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 "$cv_name=0",
+eval "$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 1.61 2001/01/08 12:58:45 chak Exp $
+dnl @version 0.01 $Id: aclocal.m4,v 1.62 2001/01/15 20:55:14 qrczak Exp $
dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
# FPTOOLS_CHECK_LIBM - check for math library
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 1.61 2001/01/08 12:58:45 chak Exp $
+dnl @version 0.01 $Id: aclocal.m4,v 1.62 2001/01/15 20:55:14 qrczak Exp $
dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
AC_DEFUN(FPTOOLS_HAVE_OPENGL,