On 04/11/13 21:23, Iyer, Balaji V wrote: > Hi Tom, > This is what I tried for --enable-languages=c,c++ > > ../trunk-gcc/configure --disable-bootstrap --enable-languages="c,c++" > --prefix=/home /install_dir/trunk-install-disable-bootstrap > > And it seem to compile fine. Did you any other tags to configure? >
Balaji, I've just tried it myself again, and didn't manage to reproduce the error. I think I must have seen a side effect of a patch I was trying out to fix the other problem. Sorry for the confusion. Thanks, - Tom > Thanks, > > Balaji V. Iyer. > >> -----Original Message----- >> From: Tom de Vries [mailto:tom_devr...@mentor.com] >> Sent: Monday, November 4, 2013 2:15 PM >> To: gcc@gcc.gnu.org >> Cc: Iyer, Balaji V >> Subject: libcilkrts breaks non-bootstrap build >> >> Hi, >> >> When configuring a gcc build with "--disable-bootstrap --enable- >> languages=c" I run into this error: >> ... >> libtool: compile: g++ >> -B/home/vries/gcc_versions/devel/lean-c/install/x86_64-unknown-linux- >> gnu/bin/ >> -B/home/vries/gcc_versions/devel/lean-c/install/x86_64-unknown-linux- >> gnu/lib/ >> -isystem >> /home/vries/gcc_versions/devel/lean-c/install/x86_64-unknown-linux- >> gnu/include >> -isystem >> /home/vries/gcc_versions/devel/lean-c/install/x86_64-unknown-linux- >> gnu/sys-include >> "-DPACKAGE_NAME=\"Cilk Runtime Library\"" >> -DPACKAGE_TARNAME=\"cilk-runtime-library\" - >> DPACKAGE_VERSION=\"2.0\" >> "-DPACKAGE_STRING=\"Cilk Runtime Library 2.0\"" >> -DPACKAGE_BUGREPORT=\"c...@intel.com\" -DPACKAGE_URL=\"\" >> -DPACKAGE=\"cilk-runtime-library\" -DVERSION=\"2.0\" -DSTDC_HEADERS=1 >> -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 - >> DHAVE_STRING_H=1 >> -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 - >> DHAVE_STDINT_H=1 >> -DHAVE_UNISTD_H=1 -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 - >> DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -I. - >> I/home/vries/gcc_versions/devel/src/libcilkrts >> -I/home/vries/gcc_versions/devel/src/libcilkrts/include >> -I/home/vries/gcc_versions/devel/src/libcilkrts/runtime >> -I/home/vries/gcc_versions/devel/src/libcilkrts/runtime/config/x86 >> -DIN_CILK_RUNTIME=1 -D_Cilk_spawn= -D_Cilk_sync= -D_Cilk_for=for - >> fcilkplus -g3 >> -O0 -dH -D_GNU_SOURCE -MT bug.lo -MD -MP -MF .deps/bug.Tpo -c >> /home/vries/gcc_versions/devel/src/libcilkrts/runtime/bug.cpp -fPIC -DPIC - >> o .libs/bug.o >> g++: error: unrecognized command line option '-fcilkplus' >> make[2]: *** [bug.lo] Error 1 >> make[2]: Leaving directory >> `/home/vries/gcc_versions/devel/lean-c/build/x86_64-unknown-linux- >> gnu/libcilkrts' >> ... >> >> The error occurs because the compiler doesn't support -fcilkplus. >> >> Should configure disable libcilkplus when c++ is not enabled? >> >> I see the same error with "--disable-bootstrap --enable-languages=c,c++". >> Should configure test the compiler for support of -fcilkplus and disable >> libcilkplus if not? >> >> Thanks, >> - Tom
