[bug #41518] Can't build make from Git repository with recent autotools

[Patrick Palka]

URL:
  <http://savannah.gnu.org/bugs/?41518>

                 Summary: Can't build make from Git repository with recent
autotools
                 Project: make
            Submitted by: parcs
            Submitted on: Sun 09 Feb 2014 03:31:54 AM GMT
                Severity: 3 - Normal
              Item Group: Build/Install
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: 4.0
        Operating System: POSIX-Based
           Fixed Release: None
           Triage Status: None

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Details:

On a system with with autoconf 2.69 and automake 1.14.1, running "autoreconf
-i" under the GNU make Git repository fails for me like so:

$ autoreconf -f -i
automake: warnings are treated as errors
configure.ac:54: warning: The 'AM_PROG_MKDIR_P' macro is deprecated, and its
use is discouraged.
configure.ac:54: You should use the Autoconf-provided 'AC_PROG_MKDIR_P' macro
instead,
configure.ac:54: and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your
Makefile.am files.
w32/Makefile.am:20: warning: source file 'subproc/misc.c' is in a
subdirectory,
w32/Makefile.am:20: but option 'subdir-objects' is disabled
automake: warning: possible forward-incompatibility.
automake: At least a source file is in a subdirectory, but the
'subdir-objects'
automake: automake option hasn't been enabled.  For now, the corresponding
output
automake: object file(s) will be placed in the top-level directory.  However,
automake: this behaviour will change in future Automake versions: they will
automake: unconditionally cause object files to be placed in the same
subdirectory
automake: of the corresponding sources.
automake: You are advised to start using 'subdir-objects' option throughout
your
automake: project, to avoid future incompatibilities.
w32/Makefile.am:20: warning: source file 'subproc/sub_proc.c' is in a
subdirectory,
w32/Makefile.am:20: but option 'subdir-objects' is disabled
w32/Makefile.am:20: warning: source file 'subproc/w32err.c' is in a
subdirectory,
w32/Makefile.am:20: but option 'subdir-objects' is disabled
w32/Makefile.am:20: warning: source file 'compat/posixfcn.c' is in a
subdirectory,
w32/Makefile.am:20: but option 'subdir-objects' is disabled
autoreconf: automake failed with exit status: 1
bash: exit 1     autoreconf -i -f

I am no autotools expert but I think that the most immediate issue here is
that -Werror is passed to AM_INIT_AUTOMAKE, turning all automake warnings into
errors.  If I remove -Werror then "autoreconf -i" exits sucessfully (albeit
with the same harmless warnings) and I can continue building make.




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