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[devel] Enabled 'attribute' warnings that are relevant to library APIs

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and callbacks.
Changed rules for generation of the various symbol files and added a new
  rule for a DEF file (which is also added to the distribution).
Updated the symbol file generation to stop it adding spurious spaces
  to EOL (coming from preprocessor macro expansion).  Added a facility
  to join tokens in the output and rewrite *.dfn to use this.
This commit is contained in:
Glenn Randers-Pehrson
2010-03-12 21:03:18 -06:00
parent eae8e36ec4
commit a528fba7aa
10 changed files with 159 additions and 80 deletions
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41
Makefile.in
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@@ -303,7 +303,7 @@ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngset.c pngget.c pngrutil
pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c \
png.h pngconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
%HEADERS%
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_CPPFLAGS = @LIBPNG_DEFINES@
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined \
@@ -312,9 +312,6 @@ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined \
$(am__append_1) $(am__append_2)
@HAVE_LD_VERSION_SCRIPT_FALSE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
@HAVE_LD_VERSION_SCRIPT_TRUE@libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
# Avoid depending upon Character Ranges.
AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
pkginclude_HEADERS = png.h pngconf.h
pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
@@ -332,13 +329,17 @@ EXTRA_DIST = \
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(TESTS) \
CMakeLists.txt example.c libpng-1.5.0beta14.txt
CMakeLists.txt example.c libpng.def libpng-@PNGLIB_VERSION@.txt
CLEANFILES = pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym
CLEANFILES = dfn.c dfn?.out pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym
MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
config.sub configure depcomp install-sh ltmain.sh missing
config.sub configure depcomp install-sh ltmain.sh missing libpng.def
SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
-DPNGLIB_VERSION='@PNGLIB_VERSION@'\
-DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'
all: config.h
$(MAKE) $(AM_MAKEFLAGS) all-am
@@ -1211,21 +1212,17 @@ $(PNGLIB_BASENAME).pc: libpng.pc
$(PNGLIB_BASENAME)-config: libpng-config
cp libpng-config $@
libpng.sym: png.h pngconf.h
rm -f $@ $@.new
$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
$(SED) -n -e \
's|^.*PNG_FUNCTION_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
-e 's|^.*PNG_DATA_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
>$@.new
mv $@.new $@
libpng.sym: scripts/sym.dfn png.h pngconf.h
libpng.vers: scripts/vers.dfn png.h pngconf.h
libpng.def: scripts/def.dfn png.h pngconf.h
libpng.vers: libpng.sym
rm -f $@ $@.new
echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new
$(SED) s/$$/\;/ libpng.sym >> $@.new
echo 'local: *; };' >> $@.new
mv $@.new $@
libpng.sym libpng.vers libpng.def:
$(RM) -f $@ dfn.c dfn?.out
echo '#include "$<"' >dfn.c
$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) $(SYMBOL_CFLAGS) dfn.c >dfn1.out
$(SED) -n -e 's|^.*PNG_DEFN_MAGIC-\(.*\)-PNG_DEFN_END.*$$|\1|p' dfn1.out >dfn2.out
$(SED) -e 's| *@@@ *||' -e 's| *$$||' dfn2.out >dfn3.out
mv dfn3.out $@
test: check