[LLVMdev] "clang -v" shows a GCC call

[Swiss Guy]

Hi everyone, 

I'm very new to the world of compilation and I've got to spend some time
time on LLVM.
As I have to produce a cross compiler for a completely new target and I
don't want to cross-build the binutils, I choose Clang as a replacement
frontend for llvm instead of llvm-gcc.

But first, I just would like to compile something on my Linux platform in
order to test the software, no question about cross-compiling at the moment.
The only problem is that every time I try to compile using the command
below, I get this result telling me that Clang is calling gcc instead of all
the LLVM tools

Here's the command and the result (I skipped a line at each GCC call):


$clang -v hello.c

clang version 1.0 (https://llvm.org/svn/llvm-project/cfe/branches/release_26
exported)
Target: i386-pc-linux-gnu
Thread model: posix
 "/bin/clang-cc" -triple i386-pc-linux-gnu -S -disable-free -main-file-name
main.c --relocation-model static --disable-fp-elim --unwind-tables=0
--mcpu=pentium4 --fmath-errno=1 -v -fdiagnostics-show-option -o
/tmp/cc-G6QVZj.s -x c main.c
clang-cc version 1.0 based upon llvm 2.6 hosted on i686-pc-linux-gnu
ignoring nonexistent directory "/System/Library/Frameworks"
ignoring nonexistent directory "/Library/Frameworks"
#include "..." search starts here:
#include <...> search starts here:
 /lib/clang/1.0/include
 /usr/include
End of search list.

 "/usr/bin/gcc" -v -c -m32 -o /tmp/cc-J586JU.o -x assembler /tmp/cc-G6QVZj.s
Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs
Configured with: ../configure --verbose --program-suffix=-3 --prefix=/usr
--exec-prefix=/usr --sysconfdir=/etc --libdir=/usr/lib --libexecdir=/usr/lib
--mandir=/usr/share/man --infodir=/usr/share/info
--enable-languages=c,ada,c++,d,f77,pascal,java,objc --enable-nls
--without-included-gettext --enable-version-specific-runtime-libs
--without-x --enable-libgcj --disable-java-awt --with-system-zlib
--enable-interpreter --disable-libgcj-debug --enable-threads=posix
--enable-java-gc=boehm --disable-win32-registry --enable-sjlj-exceptions
--enable-hash-synchronization --enable-libstdcxx-debug
Thread model: posix
gcc version 3.4.4 (Red Hat 3.4.4)
 as -o /tmp/cc-J586JU.o /tmp/cc-G6QVZj.s

 "/usr/bin/gcc" -v -m32 -o a.out /tmp/cc-J586JU.o
Reading specs from /usr/lib/gcc/i686-pc-linux-gnu/3.4.4/specs
Configured with: ../configure --verbose --program-suffix=-3 --prefix=/usr
--exec-prefix=/usr --sysconfdir=/etc --libdir=/usr/lib --libexecdir=/usr/lib
--mandir=/usr/share/man --infodir=/usr/share/info
--enable-languages=c,ada,c++,d,f77,pascal,java,objc --enable-nls
--without-included-gettext --enable-version-specific-runtime-libs
--without-x --enable-libgcj --disable-java-awt --with-system-zlib
--enable-interpreter --disable-libgcj-debug --enable-threads=posix
--enable-java-gc=boehm --disable-win32-registry --enable-sjlj-exceptions
--enable-hash-synchronization --enable-libstdcxx-debug
Thread model: posix
gcc version 3.4.4 (Red Hat 3.4.4)
 collect2 -Bdynamic --dll-search-prefix=cyg -o a.out
/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../crt0.o
-L/usr/lib/gcc/i686-pc-cygwin/3.4.4 -L/usr/lib/gcc/i686-pc-cygwin/3.4.4
-L/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../..
/cygdrive/c/Users/lbonnet/AppData/Local/Temp/cc-J586JU.o -lgcc -lcygwin
-luser32 -lkernel32 -ladvapi32 -lshell32 -lgcc


Excuse me if I wrote something stupid or just forgetting something. Just
tell me what's wrong.

Thanks in advance.
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