On Wed, Dec 2, 2015 at 3:14 AM, Michael Shell <[email protected]> wrote:
> gcc -x c -v -E /dev/null > For gcc: COMPILER_PATH=/usr/libexec/gcc/i686-pc-linux-gnu/4.9.2/:/usr/libexec/gcc/i686-pc-linux-gnu/4.9.2/:/usr/libexec/gcc/i686-pc-linux-gnu/:/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/:/usr/lib/gcc/i686-pc-linux-gnu/:/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/../../../../i686-pc-linux-gnu/bin/ LIBRARY_PATH=/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/:/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/../../../../i686-pc-linux-gnu/lib/:/usr/lib/gcc/i686-pc-linux-gnu/4.9.2/../../../:/lib/:/usr/lib/ For clang (I include all output - for you to figure out): alex[~/work/tests]% clang -x c -v -E /dev/null clang version 3.5.0 (tags/RELEASE_350/final) Target: i386-pc-linux-gnu Thread model: posix Found candidate GCC installation: /usr/bin/../lib/gcc/i686-pc-linux-gnu/4.7.0 Found candidate GCC installation: /usr/bin/../lib/gcc/i686-pc-linux-gnu/4.8.2 Found candidate GCC installation: /usr/bin/../lib/gcc/i686-pc-linux-gnu/4.9.2 Found candidate GCC installation: /usr/lib/gcc/i686-pc-linux-gnu/4.7.0 Found candidate GCC installation: /usr/lib/gcc/i686-pc-linux-gnu/4.8.2 Found candidate GCC installation: /usr/lib/gcc/i686-pc-linux-gnu/4.9.2 Selected GCC installation: /usr/bin/../lib/gcc/i686-pc-linux-gnu/4.9.2 Candidate multilib: .;@m32 Selected multilib: .;@m32 "/usr/bin/clang" -cc1 -triple i386-pc-linux-gnu -E -disable-free -disable-llvm-verifier -main-file-name null -mrelocation-model static -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu pentium4 -target-linker-version 2.23.2 -v -dwarf-column-info -resource-dir /usr/bin/../lib/clang/3.5.0 -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib/clang/3.5.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir /home/alex/work/tests -ferror-limit 19 -fmessage-length 141 -mstackrealign -fobjc-runtime=gcc -fdiagnostics-show-option -fcolor-diagnostics -o - -x c /dev/null clang -cc1 version 3.5.0 based upon LLVM 3.5.0 default target i386-pc-linux-gnu ignoring nonexistent directory "/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /usr/bin/../lib/clang/3.5.0/include /usr/include End of search list. # 1 "/dev/null" # 1 "<built-in>" 1 # 1 "<built-in>" 3 # 310 "<built-in>" 3 # 1 "<command line>" 1 # 1 "<built-in>" 2 # 1 "/dev/null" 2 Now, I'd appreciate if you would answer any or all my three questions in my OP (hint: --sysroot). Thanks, -- Alex
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