diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 3582035..fdb0b84 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -241,6 +241,7 @@ Objective-C and Objective-C++ Dialects}. -w -Wextra -Wall -Waddress -Waggregate-return @gol -Waggressive-loop-optimizations -Warray-bounds @gol -Wno-attributes -Wno-builtin-macro-redefined @gol +-Wc90-c99-compat @gol -Wc++-compat -Wc++11-compat -Wcast-align -Wcast-qual @gol -Wchar-subscripts -Wclobbered -Wcomment -Wconditionally-supported @gol -Wconversion -Wcoverage-mismatch -Wdate-time -Wdelete-incomplete -Wno-cpp @gol @@ -4517,6 +4518,15 @@ example, warn if an unsigned variable is compared against zero with Warn whenever a function call is cast to a non-matching type. For example, warn if @code{int malloc()} is cast to @code{anything *}. +@item -Wc90-c99-compat @r{(C and Objective-C only)} +@opindex Wc90-c99-compat +@opindex Wno-c90-c99-compat +Warn about features not present in ISO C90, but present in ISO C99. +For instance, warn about use of variable length arrays, @code{long long} +type, @code{bool} type, compound literals, designated initializers, and so +on. This option is independent of the standards mode. Warnings are disabled +in the expression that follows @code{__extension__}. + @item -Wc++-compat @r{(C and Objective-C only)} Warn about ISO C constructs that are outside of the common subset of ISO C and ISO C++, e.g.@: request for implicit conversion from |