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Add hidden aliases for exported symbols which are used internally in order

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Tue Aug 10 23:53:59 2004  Matthias Clasen  <maclas@gmx.de>

	Add hidden aliases for exported symbols which are
	used internally in order to get rid of many PLT
	entries.  (#145519, Arjan van de Ven)

	* gdk/Makefile.am: Add rules to generate gdk_pixbuf.def and
	gdk-pixbuf-alias.h from gdk-pixbuf.symbols, and make make
	check check the abi with abicheck.sh.

	* gdk/gdk-pixbuf.symbols: New file. Definition of the gdk-pixbuf
	ABI. The file can be processed by cpp to filter out certain
	subsets of symbols.

	* gdk/abicheck.sh: New file. Script to check the actually
	symbols exported from libgdk_pibuf.2.0.so against the symbols
	found in gdk-pixbuf.symbols.

	* gdk/makegdkpixbufalias.pl: New file. Perl script to generate the
	header containing the alias definitions for internally used
	exported symbols from a list of symbols.

	* *.c: Include gdk-pixbuf-alias.h
This commit is contained in:
Matthias Clasen
2004-08-11 04:10:18 +00:00
committed by Matthias Clasen
parent 4a465af574
commit f4437de139
14 changed files with 222 additions and 96 deletions
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56
gdk-pixbuf/makegdkpixbufalias.pl Executable file
View File

@ -0,0 +1,56 @@
#!/usr/bin/perl -w
print <<EOF;
/* Generated by makegdkpixbufalias.pl */
#include <glib.h>
#ifdef G_HAVE_GNUC_VISIBILITY
#ifdef GDK_PIXBUF_DISABLE_DEPRECATED
#define WAS_NO_DEPR
#endif
#undef GDK_PIXBUF_DISABLE_DEPRECATED
#ifdef G_DISABLE_DEPRECATED
#define WAS_NO_G_DEPR
#endif
#undef G_DISABLE_DEPRECATED
#include "gdk-pixbuf.h"
#include "gdk-pixdata.h"
#include "gdk-pixbuf-marshal.h"
EOF
while (<>) {
# ignore empty lines
next if /^\s*$/;
my $str = $_;
chomp($str);
my $alias = $str."__internal_alias";
print "extern __typeof ($str) $alias __attribute((visibility(\"hidden\"))); \n";
print "extern __typeof ($str) $str __attribute((alias(\"$alias\"), visibility(\"default\"))); \n";
print "#define $str $alias \n";
print "\n";
}
print <<EOF;
#ifdef WAS_NO_DEPR
#define GDK_PIXBUF_DISABLE_DEPRECATED
#undef WAS_NO_DEPR
#endif
#ifdef WAS_NO_G_DEPR
#define G_DISABLE_DEPRECATED
#undef WAS_NO_G_DEPR
#endif
#endif /* G_HAVE_GNUC_VISIBILITY */
EOF