[Bug bootstrap/49787] New: [4.7 Regression] --enable-languages=c doesn't work

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49787

           Summary: [4.7 Regression] --enable-languages=c doesn't work
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: ian@airs.com


On Linux/x86-64, revision 176480 gave:

../src/configure --prefix=/export/regression/rrs-bootstrap/176480/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--enable-checking --enable-languages=c --enable-cloog-backend=isl
--with-ppl-include=/opt/gnu/include --with-ppl-lib=/opt/gnu/lib64
--with-cloog-include=/opt/gnu/include --with-cloog-lib=/opt/gnu/lib64
--enable-bootstrap --with-fpmath=sse --with-build-config=bootstrap-lto
...
*** This configuration is not supported in the following subdirectories:
     zlib gnattools target-libada target-libstdc++-v3 target-libgfortran
target-libgo target-libffi target-zlib target-libjava target-libobjc
target-boehm-gc
    (Any other directories should still work fine.)
configure: error: bootstrapping with --enable-build-with-cxx or
--enable-build-postage1-with-cxx requires c++ in --enable-languages