gcc:

[pf3gnuchains/gcc-fork.git] / gcc / doc / install.texi

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index b0d12d1..97c9960 100644 (file)
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -716,8 +716,8 @@ Specify which cpu variant the
 compiler should generate code for by default.  This is currently
 only supported on some ports, specifically arm, powerpc, and
 SPARC@.  If configure does not recognize the model name (e.g.@: arm700,
-603e, or ultrasparc) you provide, please check the configure script
-for a complete list of supported models.
+603e, or ultrasparc) you provide, please check the
+@file{gcc/config.gcc} script for a complete list of supported models.
 
 @item --enable-altivec
 Specify that the target supports AltiVec vector enhancements.  This
@@ -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}.
@@ -1297,7 +1311,7 @@ specifying the location of that tree when invoking @samp{make}, as in
 
 @uref{http://www-124.ibm.com/developerworks/oss/cvs/jikes/~checkout~/jacks/jacks.html,,Jacks}
 is a free test suite that tests Java compiler front ends.  This suite
-can be run as part of libgcj testing by placing the Jacks tree withing
+can be run as part of libgcj testing by placing the Jacks tree within
 the libjava testsuite at @file{libjava/testsuite/libjava.jacks/jacks}.
 
 @section How to interpret test results