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-rw-r--r--configure.in8
1 files changed, 8 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index e6a3c34..51d40d5 100644
--- a/configure.in
+++ b/configure.in
@@ -551,6 +551,14 @@ case "$host" in
dnl many problems with including them.
AC_CHECK_HEADERS([sys/sysinfo.h sys/proc.h])
;;
+ mips*-sgi*-irix*)
+ dnl The <sys/fpu.h> is needed on the SGI machines to turn off
+ dnl denormalized floating-point values going to zero. We do *not*
+ dnl attempt to dnl locate these files on other systems because there
+ dnl may be problems with including them.
+ AC_CHECK_HEADERS([sys/fpu.h])
+ AC_CHECK_FUNCS([get_fpc_csr])
+ ;;
esac
dnl ----------------------------------------------------------------------