------- Comment #3 from alexey at feldgendler dot ru 2010-09-02 11:31 -------
Output of "gcc-4.5 -v 1.cpp 2.cpp":
$ g++-4.5 -v -flto 1.cpp 2.cpp
Using built-in specs.
COLLECT_GCC=g++-4.5
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.5.1/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.5.1-2'
--with-bugurl=file:///usr/share/doc/gcc-4.5/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.5 --enable-shared --enable-multiarch
--enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.5 --libdir=/usr/lib --enable-nls
--enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-plugin --enable-gold --with-plugin-ld=ld.gold --enable-objc-gc
--with-arch-32=i586 --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.5.1 (Debian 4.5.1-2)
COLLECT_GCC_OPTIONS='-v' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/cc1plus -quiet -v -D_GNU_SOURCE 1.cpp
-quiet -dumpbase 1.cpp -mtune=generic -march=x86-64 -auxbase 1 -version -flto
-o /tmp/ccTWKMfh.s
GNU C++ (Debian 4.5.1-2) version 4.5.1 (x86_64-linux-gnu)
compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
warning: GMP header version 4.3.2 differs from library version 4.2.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../x86_64-linux-gnu/include"
ignoring nonexistent directory "/usr/include/x86_64-linux-gnu"
#include "..." search starts here:
#include <...> search starts here:
/usr/include/c++/4.5
/usr/include/c++/4.5/x86_64-linux-gnu
/usr/include/c++/4.5/backward
/usr/local/include
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/include
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/include-fixed
/usr/include
End of search list.
GNU C++ (Debian 4.5.1-2) version 4.5.1 (x86_64-linux-gnu)
compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
warning: GMP header version 4.3.2 differs from library version 4.2.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 088ccc0edd14ed2073ed25e2d6963850
COLLECT_GCC_OPTIONS='-v' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
as -V -Qy --64 -o /tmp/cctwxZZ0.o /tmp/ccTWKMfh.s
GNU assembler version 2.20.51 (x86_64-linux-gnu) using BFD version (GNU
Binutils for Debian) 2.20.51-system.20100813
COLLECT_GCC_OPTIONS='-v' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/cc1plus -quiet -v -D_GNU_SOURCE 2.cpp
-quiet -dumpbase 2.cpp -mtune=generic -march=x86-64 -auxbase 2 -version -flto
-o /tmp/ccTWKMfh.s
GNU C++ (Debian 4.5.1-2) version 4.5.1 (x86_64-linux-gnu)
compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
warning: GMP header version 4.3.2 differs from library version 4.2.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../x86_64-linux-gnu/include"
ignoring nonexistent directory "/usr/include/x86_64-linux-gnu"
#include "..." search starts here:
#include <...> search starts here:
/usr/include/c++/4.5
/usr/include/c++/4.5/x86_64-linux-gnu
/usr/include/c++/4.5/backward
/usr/local/include
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/include
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/include-fixed
/usr/include
End of search list.
GNU C++ (Debian 4.5.1-2) version 4.5.1 (x86_64-linux-gnu)
compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
warning: GMP header version 4.3.2 differs from library version 4.2.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 088ccc0edd14ed2073ed25e2d6963850
COLLECT_GCC_OPTIONS='-v' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
as -V -Qy --64 -o /tmp/ccBnOlNK.o /tmp/ccTWKMfh.s
GNU assembler version 2.20.51 (x86_64-linux-gnu) using BFD version (GNU
Binutils for Debian) 2.20.51-system.20100813
COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/
LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-flto' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/collect2 -flto --build-id --no-add-needed
--eh-frame-hdr -m elf_x86_64 --hash-style=both -dynamic-linker
/lib64/ld-linux-x86-64.so.2
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crt1.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtbegin.o
-L/usr/lib/gcc/x86_64-linux-gnu/4.5.1
-L/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../..
/tmp/cctwxZZ0.o /tmp/ccBnOlNK.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtend.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crtn.o
collect2 version 4.5.1 (x86-64 Linux/ELF)
/usr/bin/ld --build-id --no-add-needed --eh-frame-hdr -m elf_x86_64
--hash-style=both -dynamic-linker /lib64/ld-linux-x86-64.so.2
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crt1.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtbegin.o
-L/usr/lib/gcc/x86_64-linux-gnu/4.5.1
-L/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../..
/tmp/cctwxZZ0.o /tmp/ccBnOlNK.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtend.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crtn.o
/usr/bin/nm -n /usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crt1.o
/usr/bin/nm -n /usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crti.o
/usr/bin/nm -n /usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtbegin.o
/usr/bin/nm -n /tmp/cctwxZZ0.o
/usr/bin/nm -n /tmp/ccBnOlNK.o
/usr/bin/nm -n /usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtend.o
/usr/bin/nm -n /usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crtn.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/lto-wrapper /usr/bin/g++-4.5 -v -flto
-shared-libgcc -mtune=generic -march=x86-64 /tmp/cctwxZZ0.o /tmp/ccBnOlNK.o
Using built-in specs.
COLLECT_GCC=/usr/bin/g++-4.5
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.5.1/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.5.1-2'
--with-bugurl=file:///usr/share/doc/gcc-4.5/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.5 --enable-shared --enable-multiarch
--enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.5 --libdir=/usr/lib --enable-nls
--enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-plugin --enable-gold --with-plugin-ld=ld.gold --enable-objc-gc
--with-arch-32=i586 --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.5.1 (Debian 4.5.1-2)
COLLECT_GCC_OPTIONS='-combine' '-c' '-o' '/tmp/ccBMTyip.lto.o' '-v'
'-shared-libgcc' '-mtune=generic' '-march=x86-64' '-shared-libgcc'
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/lto1 -quiet -dumpbase cctwxZZ0.o
-mtune=generic -march=x86-64 -auxbase-strip /tmp/ccBMTyip.lto.o -version
@/tmp/ccUVd5Pp -o /tmp/ccRFnsT9.s
GNU GIMPLE (Debian 4.5.1-2) version 4.5.1 (x86_64-linux-gnu)
compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
warning: GMP header version 4.3.2 differs from library version 4.2.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU GIMPLE (Debian 4.5.1-2) version 4.5.1 (x86_64-linux-gnu)
compiled by GNU C version 4.5.1, GMP version 4.3.2, MPFR version
3.0.0-p3, MPC version 0.8.2
warning: GMP header version 4.3.2 differs from library version 4.2.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
COLLECT_GCC_OPTIONS='-combine' '-c' '-o' '/tmp/ccBMTyip.lto.o' '-v'
'-shared-libgcc' '-mtune=generic' '-march=x86-64' '-shared-libgcc'
as -V -Qy --64 -o /tmp/ccBMTyip.lto.o /tmp/ccRFnsT9.s
GNU assembler version 2.20.51 (x86_64-linux-gnu) using BFD version (GNU
Binutils for Debian) 2.20.51-system.20100813
COMPILER_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/
LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/../lib64/:/lib/../lib64/../lib64/:/usr/lib/../lib64/../lib64/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../:/lib/:/usr/lib/:/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-combine' '-c' '-o' '/tmp/ccBMTyip.lto.o' '-v'
'-shared-libgcc' '-mtune=generic' '-march=x86-64' '-shared-libgcc'
/usr/bin/ld --build-id --no-add-needed --eh-frame-hdr -m elf_x86_64
--hash-style=both -dynamic-linker /lib64/ld-linux-x86-64.so.2
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crt1.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtbegin.o
-L/usr/lib/gcc/x86_64-linux-gnu/4.5.1
-L/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64 -L/lib/../lib64
-L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../..
/tmp/ccBMTyip.lto.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/crtend.o
/usr/lib/gcc/x86_64-linux-gnu/4.5.1/../../../../lib64/crtn.o
/tmp/ccBMTyip.lto.o: In function `main':
cctwxZZ0.o:(.text+0x10): undefined reference to `_Z6callmev'
collect2: ld returned 1 exit status
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45496
