------- Comment #3 from rguenth at gcc dot gnu dot org 2009-10-19 15:18 ------- It also builds lto-plugin again at install time. Huh.
make[2]: Nothing to be done for `install'. make[2]: Leaving directory `/usr/src/packages/BUILD/gcc-4.5.0-20091018/obj-x86_64-suse-linux/gnattools' make[2]: Entering directory `/usr/src/packages/BUILD/gcc-4.5.0-20091018/obj-x86_64-suse-linux/lto-plugin' /bin/sh ./libtool --tag=CC --mode=compile gcc -DPACKAGE_NAME=\"LTO\ plugin\ for\ ld\" -DPACKAGE_TARNAME=\"lto-plugin\" -DPACKAGE_VERSION=\"0.1\" -DPACKAGE_STRING=\"LTO\ plugin\ for\ ld\ 0.1\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"lto-plugin\" -DVERSION=\"0.1\" -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_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -I. -I../../lto-plugin -I../../lto-plugin/../include -I/usr/include/libelf -Wall -Werror -O2 -fmessage-length=0 -D_FORTIFY_SOURCE=2 -funwind-tables -fasynchronous-unwind-tables -g -U_FORTIFY_SOURCE -MT lto-plugin.lo -MD -MP -MF .deps/lto-plugin.Tpo -c -o lto-plugin.lo ../../lto-plugin/lto-plugin.c libtool: compile: gcc "-DPACKAGE_NAME=\"LTO plugin for ld\"" -DPACKAGE_TARNAME=\"lto-plugin\" -DPACKAGE_VERSION=\"0.1\" "-DPACKAGE_STRING=\"LTO plugin for ld 0.1\"" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"lto-plugin\" -DVERSION=\"0.1\" -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_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -I. -I../../lto-plugin -I../../lto-plugin/../include -I/usr/include/libelf -Wall -Werror -O2 -fmessage-length=0 -D_FORTIFY_SOURCE=2 -funwind-tables -fasynchronous-unwind-tables -g -U_FORTIFY_SOURCE -MT lto-plugin.lo -MD -MP -MF .deps/lto-plugin.Tpo -c ../../lto-plugin/lto-plugin.c -fPIC -DPIC -o .libs/lto-plugin.o libtool: compile: gcc "-DPACKAGE_NAME=\"LTO plugin for ld\"" -DPACKAGE_TARNAME=\"lto-plugin\" -DPACKAGE_VERSION=\"0.1\" "-DPACKAGE_STRING=\"LTO plugin for ld 0.1\"" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"lto-plugin\" -DVERSION=\"0.1\" -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_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -I. -I../../lto-plugin -I../../lto-plugin/../include -I/usr/include/libelf -Wall -Werror -O2 -fmessage-length=0 -D_FORTIFY_SOURCE=2 -funwind-tables -fasynchronous-unwind-tables -g -U_FORTIFY_SOURCE -MT lto-plugin.lo -MD -MP -MF .deps/lto-plugin.Tpo -c ../../lto-plugin/lto-plugin.c -o lto-plugin.o >/dev/null 2>&1 mv -f .deps/lto-plugin.Tpo .deps/lto-plugin.Plo /bin/sh ./libtool --tag=CC --mode=link gcc -Wall -Werror -O2 -fmessage-length=0 -D_FORTIFY_SOURCE=2 -funwind-tables -fasynchronous-unwind-tables -g -U_FORTIFY_SOURCE -o liblto_plugin.la -rpath /usr/lib64/gcc/x86_64-suse-linux/4.5 lto-plugin.lo -lelf ../libiberty/pic/libiberty.a *** Warning: Linking the shared library liblto_plugin.la against the *** static library ../libiberty/pic/libiberty.a is not portable! libtool: link: rm -fr .libs/liblto_plugin.a .libs/liblto_plugin.la .libs/liblto_plugin.lai .libs/liblto_plugin.so .libs/liblto_plugin.so.0 .libs/liblto_plugin.so.0.0.0 libtool: link: /usr/src/packages/BUILD/gcc-4.5.0-20091018/obj-x86_64-suse-linux/./prev-gcc/xgcc -B/usr/src/packages/BUILD/gcc-4.5.0-20091018/obj-x86_64-suse-linux/./prev-gcc/ -B/usr/x86_64-suse-linux/bin/ -B/usr/x86_64-suse-linux/bin/ -B/usr/x86_64-suse-linux/lib/ -isystem /usr/x86_64-suse-linux/include -isystem /usr/x86_64-suse-linux/sys-include -shared .libs/lto-plugin.o -lelf ../libiberty/pic/libiberty.a -Wl,-soname -Wl,liblto_plugin.so.0 -o .libs/liblto_plugin.so.0.0.0 ./libtool: line 7985: /usr/src/packages/BUILD/gcc-4.5.0-20091018/obj-x86_64-suse-linux/./prev-gcc/xgcc: No such file or directory make[2]: *** [liblto_plugin.la] Error 127 make[2]: Leaving directory `/usr/src/packages/BUILD/gcc-4.5.0-20091018/obj-x86_64-suse-linux/lto-plugin' make[1]: Leaving directory `/usr/src/packages/BUILD/gcc-4.5.0-20091018/obj-x86_64-suse-linux' make: *** [install] Error 2 so, it uses the host compiler here but a weird linker. The Makefile suggests CCLD which is set to CC. I can't really see how it picks up ./prev-gcc/xgcc here ... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41569
