Georg-Johann Lay schrieb: > Hi, I intend to add some assembler sources to libgcc build. > > Using the straight forward way in ./gcc/config/avr/t-avr > > @ -52,7 +50,30 @@ LIB1ASMFUNCS = \ > ... > + _ffssi2 \ > + _ffshi2 \ > + _loop_ffsqi2 \ > + _ctzsi2 \ > + _ctzhi2 \ > + _clzdi2 \ > + _clzsi2 \ > + _clz \ > + _paritydi2 \ > + _paritysi2 \ > + _parityhi2 \ > + _popcounthi2 \ > + _popcountsi2 \ > + _popcountdi2 \ > + _popcountqi2 \ > + _bswapsi2 \ > + _bswapdi2 > > all works fine except that I get warnings from make for hi functions: > > (in <build>/avr/ligbcc) > > Makefile:375: warning: overriding commands for target `_ffshi2.o' > ../../../../gcc.gnu.org/trunk/libgcc/siditi-object.mk:15: warning: > ignoring old commands for target `_ffshi2.o' > Makefile:375: warning: overriding commands for target `_ctzhi2.o' > ../../../../gcc.gnu.org/trunk/libgcc/siditi-object.mk:15: warning: > ignoring old commands for target `_ctzhi2.o' > Makefile:375: warning: overriding commands for target `_parityhi2.o' > ../../../../gcc.gnu.org/trunk/libgcc/siditi-object.mk:15: warning: > ignoring old commands for target `_parityhi2.o' > Makefile:375: warning: overriding commands for target `_popcounthi2.o' > ../../../../gcc.gnu.org/trunk/libgcc/siditi-object.mk:15: warning: > ignoring old commands for target `_popcounthi2.o' > make: `_clzhi2.o' is up to date. > > Am I something missing? Adding fragments to LIB1ASMFUNCS should filter > them out in filter-out. > > Adding these function to LIB2FUNCS_EXCLUDE does not help; the warnings > persist (I see correct LIB2FUNCS_EXCLUDE in ./gcc/libgcc.mvars). > > Setup is with current trunk (175011): > > ../../gcc.gnu.org/trunk/configure --target=avr > --prefix=/local/gnu/install/gcc-4.7 --disable-nls --disable-shared > --enable-languages=c,c++ >
Ok, I found ./libgcc/config/avr/t-avr :-) > Johann
