Re: Disable libitm if unsupported

[Iain Sandoe <developer at sandoe-acoustics dot co dot uk>]

Hi Chaps....

On 8 Nov 2011, at 18:22, Richard Henderson wrote:

> On 11/08/2011 09:56 AM, Pedro Alves wrote:
> > On Tuesday 08 November 2011 17:31:45, Richard Henderson wrote:
> > > On 11/08/2011 09:26 AM, Pedro Alves wrote:
> > > > On Tuesday 08 November 2011 16:33:52, Richard Henderson wrote:
> > > > > toplevel/
> > > > >        * configure.ac: Adjust srcdir for running libitm/ 
> > > > > configure.tgt.
> > > >
> > > > > +# Disable libitm on unsupported hosted systems.
> > > > > +if test x$enable_libitm = x; then
> > > > > +   AC_MSG_CHECKING([for libitm support])
> > > > > +   if (srcdir=${srcdir}/libitm; \
> > > > > +       . ${srcdir}/configure.tgt; \
> > > >
> > > > This should check that libitm exists before sourcing the script,
> > > > as otherwise it will error out on src tree
> > > > checkouts (binutils, gdb, ...), given that the libitm directory
> > > > doesn't exist there.
> > >
> > > Should I bother with an explicit test, or just use "set -e"?
> >
> > Whatever works is fine with me.  :-)
>
> Tested and committed the following.

is it expected for  libitm to work on x86 darwin?
(the implication of the libitm/configure.tgt is yes .. )

.. can't seem to get it to build ..

/bin/sh ./libtool --tag=CXX   --mode=compile  -B/GCC/gcc-4-7-install/ 
i686-apple-darwin9/bin/ -B/GCC/gcc-4-7-install/i686-apple-darwin9/lib/  
-isystem /GCC/gcc-4-7-install/i686-apple-darwin9/include -isystem /GCC/ 
gcc-4-7-install/i686-apple-darwin9/sys-include    -DHAVE_CONFIG_H -I. - 
I/GCC/gcc-live-trunk/libitm  -I/GCC/gcc-live-trunk/libitm/config/posix  
-I/GCC/gcc-live-trunk/libitm/config/generic -I/GCC/gcc-live-trunk/ 
libitm  -std=gnu++0x -funwind-tables -fno-exceptions -fno-rtti - 
march=i486 -mtune=i686 -fomit-frame-pointer -Wall -Werror  -Wc,- 
pthread -fabi-version=4 -g -O2 -MT cacheline.lo -MD -MP -MF .deps/ 
cacheline.Tpo -c -o cacheline.lo /GCC/gcc-live-trunk/libitm/config/ 
generic/cacheline.cc
libtool: compile: unrecognized option `-B/GCC/gcc-4-7-install/i686- 
apple-darwin9/bin/'
libtool: compile: Try `libtool --help' for more information.
make[3]: *** [barrier.lo] Error 1

Iain