Check for fenv_t and fexcept_t in microcode/configure.

diff --git a/src/microcode/configure.ac b/src/microcode/configure.ac
index 66c1bdf83164e5a4ce89b5ba27aa8266ea60c821..9081ac32be7c09a9fd7093258b822c95c289c918 100644 (file)
--- a/src/microcode/configure.ac
+++ b/src/microcode/configure.ac
@@ -469,6 +469,13 @@ define([SCM_INC_BSDTTY],
     #endif
     ])
 
+define([SCM_INC_FENV],
+    [
+    #ifdef HAVE_FENV_H
+    #  include <fenv.h>
+    #endif
+    ])
+
 dnl Checks for types and structs
 AC_TYPE_MODE_T
 AC_TYPE_OFF_T
@@ -547,6 +554,9 @@ AC_CHECK_TYPE([speed_t],
        [Define to `short' if <termios.h> doesn't define.])],
     [SCM_INC_TERMIO])
 
+AC_CHECK_TYPES([fenv_t], [], [], [SCM_INC_FENV])
+AC_CHECK_TYPES([fexcept_t], [], [], [SCM_INC_FENV])
+
 AC_CHECK_SIZEOF([time_t])
 AC_CHECK_SIZEOF([off_t])