[jira] [Created] (SANTUARIO-435) Automake misses the subdir-objects option

["Ferenc Wágner (JIRA)" <ji...@apache.org>]

Ferenc Wágner created SANTUARIO-435:
---------------------------------------

             Summary: Automake misses the subdir-objects option
                 Key: SANTUARIO-435
                 URL: https://issues.apache.org/jira/browse/SANTUARIO-435
             Project: Santuario
          Issue Type: Bug
          Components: C++
    Affects Versions: C++ 1.7.3, C++ 1.7.4
         Environment: Debian Linux x86_64
autoconf 2.69
automake 1.14.1
            Reporter: Ferenc Wágner
            Assignee: Scott Cantor
            Priority: Minor


The {{autoreconf}} procedure complains like this:
{noformat}
[...]
libtoolize: copying file `m4/lt~obsolete.m4'
configure.ac:25: installing 'build-aux/compile'
xsec/Makefile.am:370: warning: source file 'canon/XSECC14n20010315.cpp' is in a subdirectory,
xsec/Makefile.am:370: 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.
xsec/Makefile.am:370: warning: source file 'canon/XSECXMLNSStack.cpp' is in a subdirectory,
xsec/Makefile.am:370: but option 'subdir-objects' is disabled
xsec/Makefile.am:370: warning: source file 'canon/XSECCanon.cpp' is in a subdirectory,
xsec/Makefile.am:370: but option 'subdir-objects' is disabled
[...]
{noformat}
A possible fix is adding the option to {{AM_INIT_AUTOMAKE}} in {{configure.ac}}, like
{noformat}
AM_INIT_AUTOMAKE([subdir-objects])
{noformat}



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