Re: [LTP] GCC_WARN_OLDSTYLE build error

Re: [LTP] GCC_WARN_OLDSTYLE build error

[chrubis]

Hi!
> This commit introduces a build error on CentOS 6 for me.
> 
> commit edbae29d774e30967bee74463ad505ff9a81f87d
> Author: Cyril Hrubis <chrubis@suse.cz>
> Date:   Tue Jul 15 14:57:27 2014 +0200
> 
>     configure.ac: Add AC_CONFIG_MACRO_DIR
> 
>     Otherwise macros in m4 directory are not found on autoreconf
> 
>     Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
> 
> 
> gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -W
> @GCC_WARN_OLDSTYLE@ -I.  -I../include -I../include -I../include
> -I../include  -c -o bytes_by_prefix.o bytes_by_prefix.c
> gcc: @GCC_WARN_OLDSTYLE@: No such file or directory

That looks like the variable from config.mk.in wasn't substitued
correctly.

Does it work when you readd the -I m4 to the automake.mk that this patch
has removed?

Does the 'make autotools' print any warnings for AC_CONFIG_MACRO_DIR?

-- 
Cyril Hrubis
chrubis@suse.cz

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Re: [LTP] GCC_WARN_OLDSTYLE build error

[chrubis]

Hi!
> > That looks like the variable from config.mk.in wasn't substitued
> > correctly.
> >
> > Does it work when you readd the -I m4 to the automake.mk that this patch
> > has removed?
> >
> > Does the 'make autotools' print any warnings for AC_CONFIG_MACRO_DIR?
> >
> > --
> > Cyril Hrubis
> > chrubis@suse.cz
> 
> 'make autotools' does not print any warnings.
> 
> The build passes if I readd '-I m4' to automake.mk.

I've pushed a patch that readds it to the automake.mk, the problem is
that AC_CONFIG_MACRO_DIR() was broken and works only in recent enough
autotools. See the reply to Joseph for more information.

-- 
Cyril Hrubis
chrubis@suse.cz

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