diff options
Diffstat (limited to 'gcc/doc/install.texi')
| -rw-r--r-- | gcc/doc/install.texi | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index 9a49f8e..97c9960 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -821,6 +821,17 @@ Specify that the machine does not have a floating point unit. This option only applies to @samp{m68k-sun-sunos@var{n}}. On any other system, @option{--nfp} has no effect. +@item --enable-werror +@itemx --disable-werror +@itemx --enable-werror=yes +@itemx --enable-werror=no +When you specify this option, it controls whether certain files in the +compiler are built with @option{-Werror} in bootstrap stage2 and later. +If you don't specify it, @option{-Werror} is turned on for the main +development trunk. However it defaults to off for release branches and +final releases. The specific files which get @option{-Werror} are +controlled by the Makefiles. + @item --enable-checking @itemx --enable-checking=@var{list} When you specify this option, the compiler is built to perform checking @@ -975,7 +986,10 @@ be ignored. It is normal to have compiler warnings when compiling certain files. Unless you are a GCC developer, you can generally ignore these warnings -unless they cause compilation to fail. +unless they cause compilation to fail. Developers should attempt to fix +any warnings encountered, however they can temporarily continue past +warnings-as-errors by specifying the configure flag +@option{--disable-werror}. On certain old systems, defining certain environment variables such as @env{CC} can interfere with the functioning of @command{make}. |