Compiling -- gcc -- Lex & Yacc

[Phil Meyer]

William Case wrote:
> Hi;
>
> I am working my way through the compiling process.  I want to be precise
> about my question so that responders do not waste time on answering the
> wrong question.
>
> Where can I find/see which preprocessor, lexical analysiser, parser etc.
> the gcc compliler is using in Fedora?  What order are they being used in
> and any other instructions or agruments that are being passed to them by
> gcc (the compiler) besides the original/modified code?
>   

This may be too onvious, and perhaps not understanding the question 
fully, but it seems like you want to see the output of -v during a 
compile.  It shows each step, what process is called with what 
arguments, and the global variables as set.

Here is a cc -v  of a tiny c program:

 -> cc -v h.c
Using built-in specs.
Target: i386-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man 
--infodir=/usr/share/info 
--with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap 
--enable-shared --enable-threads=posix --enable-checking=release 
--with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions 
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada 
--enable-java-awt=gtk --disable-dssi --enable-plugin 
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre 
--enable-libgcj-multifile --enable-java-maintainer-mode 
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar 
--disable-libjava-multilib --with-cpu=generic --build=i386-redhat-linux
Thread model: posix
gcc version 4.3.0 20080428 (Red Hat 4.3.0-8) (GCC)
COLLECT_GCC_OPTIONS='-v' '-mtune=generic'
 /usr/libexec/gcc/i386-redhat-linux/4.3.0/cc1 -quiet -v h.c -quiet 
-dumpbase h.c -mtune=generic -auxbase h -version -o /tmp/ccAc0MUf.s
ignoring nonexistent directory 
"/usr/lib/gcc/i386-redhat-linux/4.3.0/include-fixed"
ignoring nonexistent directory 
"/usr/lib/gcc/i386-redhat-linux/4.3.0/../../../../i386-redhat-linux/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/lib/gcc/i386-redhat-linux/4.3.0/include
 /usr/include
End of search list.
GNU C (GCC) version 4.3.0 20080428 (Red Hat 4.3.0-8) (i386-redhat-linux)
    compiled by GNU C version 4.3.0 20080428 (Red Hat 4.3.0-8), GMP 
version 4.2.2, MPFR version 2.3.0-p2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: a6100d27c113f078654b8bcf6e8eb1d2
h.c:4:16: warning: character constant too long for its type
COLLECT_GCC_OPTIONS='-v' '-mtune=generic'
 as -V -Qy -o /tmp/ccvbBE9m.o /tmp/ccAc0MUf.s
GNU assembler version 2.18.50.0.6 (i386-redhat-linux) using BFD version 
version 2.18.50.0.6-4.fc9 20080403
COMPILER_PATH=/usr/libexec/gcc/i386-redhat-linux/4.3.0/:/usr/libexec/gcc/i386-redhat-linux/4.3.0/:/usr/libexec/gcc/i386-redhat-linux/:/usr/lib/gcc/i386-redhat-linux/4.3.0/:/usr/lib/gcc/i386-redhat-linux/:/usr/libexec/gcc/i386-redhat-linux/4.3.0/:/usr/libexec/gcc/i386-redhat-linux/:/usr/lib/gcc/i386-redhat-linux/4.3.0/:/usr/lib/gcc/i386-redhat-linux/
LIBRARY_PATH=/usr/lib/gcc/i386-redhat-linux/4.3.0/:/usr/lib/gcc/i386-redhat-linux/4.3.0/:/usr/lib/gcc/i386-redhat-linux/4.3.0/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-mtune=generic'
 /usr/libexec/gcc/i386-redhat-linux/4.3.0/collect2 --eh-frame-hdr 
--build-id -m elf_i386 --hash-style=gnu -dynamic-linker 
/lib/ld-linux.so.2 /usr/lib/gcc/i386-redhat-linux/4.3.0/../../../crt1.o 
/usr/lib/gcc/i386-redhat-linux/4.3.0/../../../crti.o 
/usr/lib/gcc/i386-redhat-linux/4.3.0/crtbegin.o 
-L/usr/lib/gcc/i386-redhat-linux/4.3.0 
-L/usr/lib/gcc/i386-redhat-linux/4.3.0 
-L/usr/lib/gcc/i386-redhat-linux/4.3.0/../../.. /tmp/ccvbBE9m.o -lgcc 
--as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s 
--no-as-needed /usr/lib/gcc/i386-redhat-linux/4.3.0/crtend.o 
/usr/lib/gcc/i386-redhat-linux/4.3.0/../../../crtn.o