building on macos

Timothy Schumacher, Ph.D.
Sun Jul 14 14:13:00 GMT 2013

Hi All,

I am trying to build gcc/binutils on my mac laptop in a similar way that 
I do on my linux boxes.  I am running into some trouble...  I *think* my 
basic question is: what build/target/host options do I need for binutils 
and gcc for it to work on the system?  My normal linux procedure is to 
do something like:

in binutils,   ./configure --prefix=$prefix --disable-shared 
--disable-nls; make; make install;
in gcc,         ./configure --prefix=$prefix --disable-shared 
--disable-nls --enable-languages=c,c++; make; make install;

On my linux boxes this gives me a working binutils/gcc placed in $prefix 
that has no shared libraries and the gcc knows to use the binutils from 
inside $prefix.  This is what I would like to duplicate on my mac system 
if possible, but I have read hints here and there that suggest there is 
something about the mach-O files that binutils has a hard time with?

Any hints where to look next is greatly appreciated!

The macbook has the following:
uname -a = Darwin uncompahgre 12.3.0 Darwin Kernel Version 12.3.0: Sun 
Jan  6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64 x86_64
uname -m = x86_64
uname -r = 12.3.0
uname -s = Darwin
uname -p = i386

It also has the gcc that came installed with xcode:
# gcc --v
Using built-in specs.
Target: i686-apple-darwin11
Configured with: 
--disable-checking --enable-werror 
--mandir=/share/man --enable-languages=c,objc,c++,obj-c++ 
--program-prefix=llvm- --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ 
--with-slibdir=/usr/lib --build=i686-apple-darwin11 
--program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11 
--target=i686-apple-darwin11 --with-gxx-include-dir=/usr/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)

I can build xgcc with the existing tolchain, but then it fails trying to 
configure libgomp on the next phase saying it can't create an executable.


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