manpage: -fbail-on-werror

diff --git a/doc/gmqcc.1 b/doc/gmqcc.1
index b621004b7bf76e4d85bdb226f9685fa66b4fe7cd..b1ae949e303fad4448cc3c0cb6c74d1d3f883738 100644 (file)
--- a/doc/gmqcc.1
+++ b/doc/gmqcc.1
@@ -365,6 +365,14 @@ instruction on the string before using it.
 Enable utf8 characters. This allows utf-8 encoded character constants,
 and escape sequence codepoints in the valid utf-8 range. Effectively
 enabling escape sequences like '\\{x2211}'.
+.TP
+.B -fbail-on-werror
+When a warning is treated as an error, and this option is set (which
+it is by default), it is like any other error and will cause
+compilation to stop. When disabling this flag by using
+\-fno-bail-on-werror, compilation will continue until the end, but no
+output is generated. Instead the first such error message's context is
+shown.
 .SH OPTIMIZATIONS
 .TP
 .B -Opeephole