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-rw-r--r--src/s/msdos.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/s/msdos.h b/src/s/msdos.h
index 1bf3e9bc9c8..2e10e12c760 100644
--- a/src/s/msdos.h
+++ b/src/s/msdos.h
@@ -198,6 +198,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define HAVE_INVERSE_HYPERBOLIC
#define FLOAT_CHECK_DOMAIN
+#define NO_MATHERR
/* When $TERM is "internal" then this is substituted: */
#define INTERNAL_TERMINAL "pc|bios|IBM PC with colour display:\