[Mesa-dev] [PATCH] autoconf: add AM_PROG_CC_C_O
dbn.lists at gmail.com
Fri Apr 13 13:25:42 PDT 2012
On 4/13/12, Olivier Galibert <galibert at pobox.com> wrote:
> On Fri, Apr 13, 2012 at 11:06:18AM -0700, Ian Romanick wrote:
>> On 04/13/2012 08:47 AM, nobled wrote:
>> > Prevents this error with Automake 1.9:
>> > src/gallium/drivers/Makefile.am: C objects in subdir but
>> > `AM_PROG_CC_C_O' not in `configure.ac'
>> > autoreconf: automake failed with exit status: 1
>> What the heck is the difference between AM_PROG_CC_C_0 and AC_PROG_CC?
>> Are both really necessary? Seems like... madness.
> Isn't AM_PROG_CC_C_O the test whether the compiler can do both -c and
> -o in the same command line (w.r.t -c only + mv which was needed for
> some stupid compilers)?
Yeah. If you have objects in subdirs, you either have to use -o to
send the objects there or automake has to use the compile script to do
it for you. It would be nice if it added this for you when you used
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