Disable libitm if unsupported

[Richard Henderson]

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"?


r~