manpage: -Wuninitialized-constant -Wuninitialized-global

[xonotic/gmqcc.git] / doc / gmqcc.1

diff --git a/doc/gmqcc.1 b/doc/gmqcc.1
index b994d508dbbaadfbfd0d66918197c58c907ba2eb..697a3fc44cf1b326c6fba3605a44ef9087ed6c54 100644 (file)
--- a/doc/gmqcc.1
+++ b/doc/gmqcc.1
@@ -258,6 +258,18 @@ You won't need this.
 Warn on an unknown attribute. The warning will inlclude only the first
 token inside the enclosing attribute-brackets. This may change when
 the actual attribute syntax is better defined.
+.TP
+.B -Wreserved-names
+Warn when using reserved names such as 'nil'.
+.TP
+.B -Wuninitialized-constant
+Warn about global constants (using the 'const' keyword) with no
+assigned value.
+.TP
+.B -Wuninitialized-global
+Warn about global variables with no initializing value. This is off by
+default, and is added mostly to help find null-values which are
+supposed to be replaced by the untyped 'nil' constant.
 .SH COMPILE FLAGS
 .TP
 .B -fdarkplaces-string-table-bug
@@ -390,6 +402,19 @@ for :outer (i = 0; i < n; ++i) {
 }
 .fi
 .in
+.TP
+.B -funtyped-nil
+Adds a global named 'nil' which is of no type and can be assigned to
+anything. No typechecking will be performed on assignments. Assigning
+to it is forbidden, using it in any other kind of expression is also
+not allowed.
+.TP
+.B -fpermissive
+Various effects, usually to weaken some conditions.
+.RS
+.IP "with -funtyped-nil"
+Allow local variables named 'nil'. (This will not allow declaring a
+global of that name.)
 .SH OPTIMIZATIONS
 .TP
 .B -Opeephole