$ make
CONFIG_SHELL="/bin/sh" /bin/sh ./config.status --recheck
running CONFIG_SHELL=/bin/sh /bin/sh /gcc/lto/configure --prefix=/gcc/lto/BIN/
--enable-lto --enable-languages=c,lto,lto --no-create --no-recursion
...
configure: error:
The following requested languages could not be built: lto
Supported languages are: c,c++,fortran,java,lto,objc,obj-c++
make: *** [config.status] Error 1
$
It looks like its confused by the multiple ,lto
--
Summary: incorrect configure results in "The following requested
languages could not be built: lto"
Product: gcc
Version: lto
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: marcus at jet dot franken dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41386