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[libpng17] Made changes for compatibility with automake 1.14:

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1) Added the 'compile' program to the list of programs that must be cleaned
       in autogen.sh
    2) Added 'subdir-objects' which causes .c files in sub-directories to be
       compiled such that the corresponding .o files are also in the
       sub-directory.  This is because automake 1.14 warns that the
       current behavior of compiling to the top level directory may be removed
       in the future.
    3) Updated dependencies on pnglibconf.h to match the new .o locations and
       added all the files in contrib/libtests and contrib/tools that depend
       on pnglibconf.h
    4) Added 'BUILD_SOURCES = pnglibconf.h'; this is the automake recommended
       way of handling the dependencies of sources that are machine generated;
       unfortunately it only works if the user does 'make all' or 'make check',
       so the dependencies (3) are still required.
This commit is contained in:
John Bowler
2013-10-06 08:18:31 -05:00
committed by Glenn Randers-Pehrson
parent 553b8f85d3
commit c1bcdc3a86
5 changed files with 61 additions and 8 deletions
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2
configure.ac
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@@ -27,7 +27,7 @@ AC_CONFIG_MACRO_DIR([scripts])
# dist-xz requires automake 1.11 or later
# 1.12.2 fixes a security issue in 1.11.2 and 1.12.1
# 1.13 is required for parallel tests
AM_INIT_AUTOMAKE([1.13 foreign dist-xz color-tests silent-rules])
AM_INIT_AUTOMAKE([1.13 foreign dist-xz color-tests silent-rules subdir-objects])
# The following line causes --disable-maintainer-mode to be the default to
# configure, this is necessary because libpng distributions cannot rely on the
# time stamps of the autotools generated files being correct