--- bzip2/Makefile.am

+++ bzip2/Makefile.am

@@ -21,7 +21,8 @@

 	compress.c \

 	decompress.c \

 	bzlib.c

-libbz2_la_LDFLAGS = -version-info 1:6:0

+libbz2_la_LDFLAGS = -version-info 1:6:0 -Wl,--version-script=libbz2.map,libbz2.lds

+libbz2_la_DEPENDENCIES = libbz2.map libbz2.lds

 check-local: samples.sh bzip2

 	./samples.sh

--- bzip2/bzlib_private.h

+++ bzip2/bzlib_private.h

@@ -32,6 +32,7 @@

 #include "bzlib.h"

+#pragma GCC visibility push(hidden)

 /*-- General stuff. --*/

@@ -492,6 +493,8 @@ BZ2_hbCreateDecodeTables ( Int32*, Int32*, Int32*, UChar*,

                            Int32,  Int32, Int32 );

+#pragma GCC visibility pop

+

 #endif

--- /dev/null

+++ bzip2/libbz2.lds

@@ -0,0 +1,24 @@

+"BZ2_bzBuffToBuffCompress@BZLIB_1.0" = BZ2_bzBuffToBuffCompress;

+"BZ2_bzBuffToBuffDecompress@BZLIB_1.0" = BZ2_bzBuffToBuffDecompress;

+"BZ2_bzCompress@BZLIB_1.0" = BZ2_bzCompress;

+"BZ2_bzCompressEnd@BZLIB_1.0" = BZ2_bzCompressEnd;

+"BZ2_bzCompressInit@BZLIB_1.0" = BZ2_bzCompressInit;

+"BZ2_bzDecompress@BZLIB_1.0" = BZ2_bzDecompress;

+"BZ2_bzDecompressEnd@BZLIB_1.0" = BZ2_bzDecompressEnd;

+"BZ2_bzDecompressInit@BZLIB_1.0" = BZ2_bzDecompressInit;

+"BZ2_bzRead@BZLIB_1.0" = BZ2_bzRead;

+"BZ2_bzReadClose@BZLIB_1.0" = BZ2_bzReadClose;

+"BZ2_bzReadGetUnused@BZLIB_1.0" = BZ2_bzReadGetUnused;

+"BZ2_bzReadOpen@BZLIB_1.0" = BZ2_bzReadOpen;

+"BZ2_bzWrite@BZLIB_1.0" = BZ2_bzWrite;

+"BZ2_bzWriteClose64@BZLIB_1.0" = BZ2_bzWriteClose64;

+"BZ2_bzWriteClose@BZLIB_1.0" = BZ2_bzWriteClose;

+"BZ2_bzWriteOpen@BZLIB_1.0" = BZ2_bzWriteOpen;

+"BZ2_bzclose@BZLIB_1.0" = BZ2_bzclose;

+"BZ2_bzdopen@BZLIB_1.0" = BZ2_bzdopen;

+"BZ2_bzerror@BZLIB_1.0" = BZ2_bzerror;

+"BZ2_bzflush@BZLIB_1.0" = BZ2_bzflush;

+"BZ2_bzlibVersion@BZLIB_1.0" = BZ2_bzlibVersion;

+"BZ2_bzopen@BZLIB_1.0" = BZ2_bzopen;

+"BZ2_bzread@BZLIB_1.0" = BZ2_bzread;

+"BZ2_bzwrite@BZLIB_1.0" = BZ2_bzwrite;

--- /dev/null

+++ bzip2/libbz2.map

@@ -0,0 +1,2 @@

+BZLIB_1.0 {

+};