http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47761
Summary: powerpc not supporting -mcpu Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada AssignedTo: unassig...@gcc.gnu.org ReportedBy: j...@gcc.gnu.org PowerPC cc1 supports -mcpu. gnat1 reports: gcc -c -I../../../../../../../rtems/c/src/ada-tests/samples/hello/ -I../../../../../psim/lib/include/adainclude -I../../../../../psim/psim/lib/include/adainclude -I../../../../../../../rtems/c/src/ada-tests/support -mcpu=603e -Dppc603e -O2 -g -fno-keep-inline-functions -Wall -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs -B../../../../../psim/lib/ -specs bsp_specs -qrtems -I- ../../../../../../../rtems/c/src/ada-tests/samples/hello/hello.adb `-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead. gnat1: warning: command line option "-Wimplicit-function-declaration" is valid for C/ObjC but not for Ada gnat1: warning: command line option "-Wnested-externs" is valid for C/ObjC but not for Ada gnat1: error: unrecognized command line option "-mcpu=603e" If you try to follow those recommendations, you end up not making cc1 happy. [joel@rtbf64a test-gcc]$ powerpc-rtems4.11-gcc -march=603e m.c -c cc1: error: unrecognized command line option "-march=603e" [joel@rtbf64a test-gcc]$ powerpc-rtems4.11-gcc -mtune=603e m.c -c [joel@rtbf64a test-gcc]$ powerpc-rtems4.11-gcc -mcpu=603e m.c -c I can't find a way to specify 603e which makes Ada and cc1 happy. :(