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[libpng17] Cleaned up and enhanced the configure option; libpng now correctly

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links and tests against zlib with a prefix; tests have been clarified; and
irrelevant or obsolete things (as defined by the autotools man page) have
been removed.
This commit is contained in:
John Bowler
2012-12-17 09:20:02 -06:00
committed by Glenn Randers-Pehrson
parent 1f0853f47e
commit 72389dec42
13 changed files with 246 additions and 216 deletions
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4
Makefile.am
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@@ -120,6 +120,8 @@ scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
scripts/prefix.out: png.h pngconf.h pnglibconf.out
scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
pnglibconf.out: config.h
libpng.sym: scripts/sym.out
rm -f $@
cp $? $@
@@ -131,7 +133,7 @@ if DO_PNG_PREFIX
# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
# implementation of the macro).
pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst config.h
rm -f $@
$(AWK) 's==0 && NR>1{print prev}\
s==0{prev=$$0}\