Turn off all warnings when compiling gdtoa sources.

Obtained-from: FreeBSD

diff --git a/lib/libc/Makefile.inc b/lib/libc/Makefile.inc
index 772b85a..543005d 100644 (file)
--- a/lib/libc/Makefile.inc
+++ b/lib/libc/Makefile.inc
@@ -65,4 +65,4 @@ SRCS+=        ${_src}
 .endif
 
 # Disable warnings in contributed sources.
-CWARNFLAGS:=   ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/}
+CWARNFLAGS:=   ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/}