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-rw-r--r--gnulib-m4/frexp.m417
1 files changed, 13 insertions, 4 deletions
diff --git a/gnulib-m4/frexp.m4 b/gnulib-m4/frexp.m4
index 23f58216..425765be 100644
--- a/gnulib-m4/frexp.m4
+++ b/gnulib-m4/frexp.m4
@@ -1,5 +1,5 @@
-# frexp.m4 serial 15
-dnl Copyright (C) 2007-2016 Free Software Foundation, Inc.
+# frexp.m4 serial 16
+dnl Copyright (C) 2007-2017 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -164,8 +164,17 @@ int main()
[gl_cv_func_frexp_works=yes],
[gl_cv_func_frexp_works=no],
[case "$host_os" in
- netbsd* | irix* | mingw*) gl_cv_func_frexp_works="guessing no";;
- *) gl_cv_func_frexp_works="guessing yes";;
+ netbsd* | irix*) gl_cv_func_frexp_works="guessing no" ;;
+ mingw*) # Guess yes with MSVC, no with mingw.
+ AC_EGREP_CPP([Good], [
+#ifdef _MSC_VER
+ Good
+#endif
+ ],
+ [gl_cv_func_frexp_works="guessing yes"],
+ [gl_cv_func_frexp_works="guessing no"])
+ ;;
+ *) gl_cv_func_frexp_works="guessing yes" ;;
esac
])
])