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-rw-r--r--m4/fpieee.m411
1 files changed, 9 insertions, 2 deletions
diff --git a/m4/fpieee.m4 b/m4/fpieee.m4
index c1155ee287..746e35eca2 100644
--- a/m4/fpieee.m4
+++ b/m4/fpieee.m4
@@ -26,8 +26,9 @@ AC_DEFUN([gl_FP_IEEE],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
- # IEEE behaviour is the default on all CPUs except Alpha
- # (according to the test results of Bruno Haible's ieeefp/fenv_default.m4).
+ # IEEE behaviour is the default on all CPUs except Alpha and SH
+ # (according to the test results of Bruno Haible's ieeefp/fenv_default.m4
+ # and the GCC 4.1.2 manual).
case "$host_cpu" in
alpha*)
# On Alpha systems, a compiler option provides the behaviour.
@@ -41,5 +42,11 @@ AC_DEFUN([gl_FP_IEEE],
CPPFLAGS="$CPPFLAGS -ieee"
fi
;;
+ sh*)
+ if test -n "$GCC"; then
+ # GCC has the option -mieee.
+ CPPFLAGS="$CPPFLAGS -mieee"
+ fi
+ ;;
esac
])