Build libbz2 and make bzip2 depend on it. libbz2 is necessary for
packaging bsdiff.
Also update perl-compress-bzip2 package accordingly.

Signed-off-by: Alexander Gordeev <lasa...@lvk.cs.msu.su>
---
 lang/perl-compress-bzip2/Makefile |    2 +-
 utils/bzip2/Makefile              |   33 ++++++++++++++++++++++++++++-----
 2 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/lang/perl-compress-bzip2/Makefile 
b/lang/perl-compress-bzip2/Makefile
index de4c4f4..2e06373 100644
--- a/lang/perl-compress-bzip2/Makefile
+++ b/lang/perl-compress-bzip2/Makefile
@@ -20,7 +20,7 @@ define Package/perl-compress-bzip2
   CATEGORY:=Languages
   TITLE:=Perl interface to bzip2 compression library
   URL:=http://search.cpan.org/dist/Compress-Bzip2/
-  DEPENDS:=perl +bzip2
+  DEPENDS:=perl +libbz2
 endef
 
 define Build/Configure
diff --git a/utils/bzip2/Makefile b/utils/bzip2/Makefile
index a9d58a5..1cdfaa4 100644
--- a/utils/bzip2/Makefile
+++ b/utils/bzip2/Makefile
@@ -17,37 +17,60 @@ PKG_MD5SUM:=00b516f4704d4a7cb50a1d97e6e8e15b
 
 include $(INCLUDE_DIR)/package.mk
 
+define Package/libbz2
+  SECTION:=libs
+  CATEGORY:=Libraries
+  DEPENDS:=
+  TITLE:=bzip2 library.
+  URL:=http://www.bzip.org/
+endef
+
+define Package/libbz2/description
+       bzip2 is a freely available, patent free, high-quality
+       data compressor. This packages provides libbz2 library.
+endef
+
 define Package/bzip2
   SECTION:=utils
   CATEGORY:=Utilities
-  DEPENDS:=
+  DEPENDS:=+libbz2
   TITLE:=bzip2 is a compression utility.
   URL:=http://www.bzip.org/
 endef
 
 define Package/bzip2/description
        bzip2 is a freely available, patent free, high-quality
-       data compressor.
+       data compressor. This package provides the binary.
 endef
 
 TARGET_CFLAGS += $(FPIC)
 CONFIGURE_ARGS += --prefix=/usr
 
 MAKE_FLAGS += \
+       -f Makefile-libbz2_so \
        CFLAGS="$(TARGET_CFLAGS)" \
        LDFLAGS="$(TARGET_LDLAGS)" \
-       bzip2 \
+       all
 
 define Build/InstallDev
        $(INSTALL_DIR) $(1)/usr/include
        $(CP) $(PKG_BUILD_DIR)/bzlib.h $(1)/usr/include/
        $(INSTALL_DIR) $(1)/usr/lib
-       $(CP) $(PKG_BUILD_DIR)/libbz2.a $(1)/usr/lib/
+       $(CP) $(PKG_BUILD_DIR)/libbz2.so.$(PKG_VERSION) $(1)/usr/lib/
+       $(LN) libbz2.so.$(PKG_VERSION) $(1)/usr/lib/libbz2.so.1.0
+       $(LN) libbz2.so.$(PKG_VERSION) $(1)/usr/lib/libbz2.so
+endef
+
+define Package/libbz2/install
+       $(INSTALL_DIR) $(1)/usr/lib/
+       $(CP) $(PKG_BUILD_DIR)/libbz2.so.$(PKG_VERSION) $(1)/usr/lib/
+       $(LN) libbz2.so.$(PKG_VERSION) $(1)/usr/lib/libbz2.so.1.0
 endef
 
 define Package/bzip2/install
        $(INSTALL_DIR) $(1)/usr/bin/
-       $(INSTALL_BIN) $(PKG_BUILD_DIR)/$(PKG_NAME) $(1)/usr/bin/
+       $(INSTALL_BIN) $(PKG_BUILD_DIR)/bzip2-shared $(1)/usr/bin/bzip2
 endef
 
+$(eval $(call BuildPackage,libbz2))
 $(eval $(call BuildPackage,bzip2))
-- 
1.7.5.4

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