ghost@ubuntu:~/work/test$
gcc-4.8 -v -x c++ /dev/null -fsyntax-only
Using built-in specs.
COLLECT_GCC=gcc-4.8
COLLECT_LTO_WRAPPER=/usr/gcc48/libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/gcc48 --with-gmp=/usr/gcc48 --with-mpfr=/usr/gcc48 --with-mpc=/usr/gcc48 --enable-checking=release --enable-languages=c,c++ --disable-multilib --program-suffix=-4.8
Thread model: posix
gcc version 4.8.2 (GCC)
COLLECT_GCC_OPTIONS='-v' '-fsyntax-only' '-mtune=generic' '-march=x86-64'
/usr/gcc48/libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/cc1plus -quiet -v -imultilib . -imultiarch x86_64-linux-gnu -D_GNU_SOURCE /dev/null -quiet -dumpbase null -mtune=generic -march=x86-64 -auxbase null -version -fsyntax-only -o /dev/null
GNU C++ (GCC) version 4.8.2 (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.8.2, GMP version 5.1.3, MPFR version 3.1.2, MPC version 1.0.1
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/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/../../../../include/c++/4.8.2
/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/../../../../include/c++/4.8.2/x86_64-unknown-linux-gnu/.
/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/../../../../include/c++/4.8.2/backward
/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/include
/usr/local/include
/usr/gcc48/include
/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/include-fixed
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.
GNU C++ (GCC) version 4.8.2 (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.8.2, GMP version 5.1.3, MPFR version 3.1.2, MPC version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: c51763c5eddb0a0b9a17fb5a760cf1e3
COMPILER_PATH=/usr/gcc48/libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/:/usr/gcc48/libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/:/usr/gcc48/libexec/gcc/x86_64-unknown-linux-gnu/:/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/:/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/
LIBRARY_PATH=/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/:/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/../../../../lib64/:/lib/x86_64-linux-gnu/:/lib/../lib64/:/usr/lib/x86_64-linux-gnu/:/usr/gcc48/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-fsyntax-only' '-mtune=generic' '-march=x86-64'
ghost@ubuntu:~/work/test$
clang++ -v -x c++ /dev/null -fsyntax-only
clang version 3.4 (trunk 194323) (llvm/trunk 194323:194561)
Target: x86_64-unknown-linux-gnu
Thread model: posix
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6.3
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7.2
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6
"/home/ghost/work/build/Release+Asserts/bin/clang" -cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -disable-free -main-file-name null -mrelocation-model static -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-linker-version 2.22 -v -resource-dir /home/ghost/work/build/Release+Asserts/bin/../lib/clang/3.4 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/x86_64-linux-gnu -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/backward -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/x86_64-linux-gnu/c++/4.6 -internal-isystem /usr/local/include -internal-isystem /home/ghost/work/build/Release+Asserts/bin/../lib/clang/3.4/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdeprecated-macro -fdebug-compilation-dir /home/ghost/work/test -ferror-limit 19 -fmessage-length 120 -mstackrealign -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -x c++ /dev/null
clang -cc1 version 3.4 based upon LLVM 3.4svn default target x86_64-unknown-linux-gnu
ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/x86_64-linux-gnu/c++/4.6"
ignoring nonexistent directory "/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/x86_64-linux-gnu
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/backward
/usr/local/include
/home/ghost/work/build/Release+Asserts/bin/../lib/clang/3.4/include
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.