(Ignore that I have gcc installed in $HOME/powerpc, that's Apple's fault for not setting $HOSTTYPE correctly...)
delices ~ $ ./powerpc/bin/gcc -Wno-all foo.c cc1: error: unrecognized command line option "-Wno-all" delices ~ $ ./powerpc/bin/gcc -v Using built-in specs. Target: i386-apple-darwin8.8.1 Configured with: ../configure --prefix=/Users/Chris/powerpc --enable-languages=c --with-mpfr=/Users/Chris/powerpc --with-gmp=/Users/Chris/powerpc Thread model: posix gcc version 4.3.0 20070110 (experimental) delices ~ $ gcc -Wno-all foo.c delices ~ $ gcc -v Using built-in specs. Target: i686-apple-darwin8 Configured with: /private/var/tmp/gcc/gcc-5363.obj~28/src/configure --disable-checking -enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.0/ --with-gxx-include-dir=/include/c++/4.0.0 --with-slibdir=/usr/lib --build=powerpc-apple-darwin8 --with-arch=nocona --with-tune=generic --program-prefix= --host=i686-apple-darwin8 --target=i686-apple-darwin8 Thread model: posix gcc version 4.0.1 (Apple Computer, Inc. build 5363) magic ~ $ gcc -Wno-all foo.c magic ~ $ gcc -v Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/home/user/cpicke/x86_64 : (reconfigured) ../configure --enable-languages=c,c++,java : (reconfigured) ../configure --prefix=/home/user/cpicke/x86_64 --disable-multilib --enable-languages=c,c++,java Thread model: posix gcc version 4.1.1 [EMAIL PROTECTED]:~$ gcc -Wno-all ../test.c cc1: error: unrecognized command line option "-Wno-all" [EMAIL PROTECTED]:~$ gcc --version gcc (GCC) 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5) [EMAIL PROTECTED]:~/120588/build$ gcc/xgcc -B gcc/ -Wno-all ~/pr24525.C cc1plus: error: unrecognized command line option "-Wno-all" [EMAIL PROTECTED]:~/120588/build$ gcc/xgcc --version xgcc (GCC) 4.3.0 20070108 (experimental) -- Summary: -Wno-all is rejected Product: gcc Version: 4.1.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: chris dot pickett at mail dot mcgill dot ca http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30437