bug#19311: closed (AC_PROG_CC can force wrong $ac_aux_dir definition in automake 1.14)

[GNU bug Tracking System]

Your message dated Sun, 20 Feb 2022 14:09:24 -0500
with message-id <YhKR5Cx6RCleWgL5@vapier>
and subject line Re: bug#19311: [FYI] {minor} Expose automake bug#19311
has caused the debbugs.gnu.org bug report #19311,
regarding AC_PROG_CC can force wrong $ac_aux_dir definition in automake 1.14
to be marked as done.

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19311: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19311
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> --- Begin Message ---
>
>
>
> Subject: 
>
> regression: 1.14 may use ac_aux_dir before defined (again)
>
>
>
>
> Date: 
>
> Mon, 8 Dec 2014 18:15:26 +0100 (CET)
>
>
>
>
> User-agent: 
>
> Alpine 2.11 (LSU 23 2013-08-11)
>
>
>
>
> When AC_SYSTEM_EXTENSIONS precedes AM_INIT_AUTOMAKE, it used to throw an 
> error - which has been fixed in
> http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15981 .
>
> I have here another instance of what appears to be a similar issue. This 
> one is also a regression (used to work in 1.13.4), and the regression is 
> still present in {automake 1.14.1 + patch from #15981}. The problem 
> originates in libmemcached/configure.ac, and I have produced the 
> following reduced testcase that exhibits the issue:
>
> $ cat <<EOF >configure.ac
> AC_INIT([foo], [0])
> AC_PROG_CC([cc gcc clang])
> AC_CONFIG_AUX_DIR([build-aux])
> AC_CONFIG_MACRO_DIR([m4])
> AM_INIT_AUTOMAKE([1.11 subdir-objects foreign])
> AC_OUTPUT([Makefile])
> EOF
> $ echo '' >Makefile.am
> $ md m4
> $ autoreconf -fi
> configure.ac:2: installing 'build-aux/compile'
> configure.ac:5: installing 'build-aux/install-sh'
> configure.ac:5: installing 'build-aux/missing'
> $ ./configure
> checking for cc... cc
> checking whether the C compiler works... yes
> checking for C compiler default output file name... a.out
> checking for suffix of executables... 
> checking whether we are cross compiling... no
> checking for suffix of object files... o
> checking whether we are using the GNU C compiler... yes
> checking whether cc accepts -g... yes
> checking for cc option to accept ISO C89... none needed
> configure: error: cannot find install-sh, install.sh, or shtool in "." "./.."
> "./../.."
>
> With automake-1.13.4, configure would succeed through to the end 
> ("config.status: creating Makefile").
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#19311: [FYI] {minor} Expose automake bug#19311
>
>
>
>
> Date: 
>
> Sun, 20 Feb 2022 14:09:24 -0500
>
>
>
>
> On 17 Dec 2014 17:13, Stefano Lattarini wrote:
> > AC_PROG_CC called before AC_CONFIG_AUX_DIR can silently force wrong
> > $ac_aux_dir definition.
>
> looks like this was merged to fix this bug but forgot to close the report
> -mike
>
>
> --- End Message ---