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cmake: Avoid uneeded linking/unused libraries in some dwarves libraries and executables 

currently mandriva has a packaging script which checks for uneeded linking in
package built files. For dwarves, it displays:

Warning: unused libraries in /usr/lib64/libdwarves_reorganize.so.1.0.0: libdw.so.1
 libelf.so.1
 libz.so.1

Warning: unused libraries in /usr/lib64/libdwarves_emit.so.1.0.0: libdw.so.1
 libelf.so.1
 libz.so.1

Warning: unused libraries in /usr/bin/ctracer: libz.so.1
 libdw.so.1

Warning: unused libraries in /usr/bin/syscse: libdw.so.1
 libelf.so.1
 libz.so.1

Warning: unused libraries in /usr/bin/pglobal: libdw.so.1
 libelf.so.1
 libz.so.1

Warning: unused libraries in /usr/bin/pdwtags: libdw.so.1
 libelf.so.1
 libz.so.1

Warning: unused libraries in /usr/bin/prefcnt: libdw.so.1
 libelf.so.1
 libz.so.1

Warning: unused libraries in /usr/bin/pfunct: libz.so.1
 libdw.so.1

Warning: unused libraries in /usr/bin/pahole: libz.so.1
 libdw.so.1
 libelf.so.1

Warning: unused libraries in /usr/bin/dtagnames: libdw.so.1
 libelf.so.1
 libz.so.1

Warning: unused libraries in /usr/bin/codiff: libdw.so.1
 libelf.so.1
 libz.so.1

The patch below fixes the issue (removing uneeded specified libraries and using
LINK_INTERFACE_LIBRARIES property, see
http://www.cmake.org/Wiki/CMake_FAQ#Why_are_libraries_linked_to_my_shared_library_included_when_something_links_to_it.3F)

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Herton Ronaldo Krzesinski 2009-12-17 15:20:27 -02:00 committed by Arnaldo Carvalho de Melo
parent 3e40f38821
commit 7bc0b0c656
1 changed files with 3 additions and 2 deletions
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5
CMakeLists.txt
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@ -38,17 +38,18 @@ set(dwarves_LIB_SRCS dwarves.c dwarves_fprintf.c gobuffer strings
dutil.c elf_symtab.c rbtree.c)
add_library(dwarves SHARED ${dwarves_LIB_SRCS})
set_target_properties(dwarves PROPERTIES VERSION 1.0.0 SOVERSION 1)
set_target_properties(dwarves PROPERTIES LINK_INTERFACE_LIBRARIES "")
target_link_libraries(dwarves ${DWARF_LIBRARIES} ${ZLIB_LIBRARIES})
set(dwarves_emit_LIB_SRCS dwarves_emit.c)
add_library(dwarves_emit SHARED ${dwarves_emit_LIB_SRCS})
set_target_properties(dwarves_emit PROPERTIES VERSION 1.0.0 SOVERSION 1)
target_link_libraries(dwarves_emit ${DWARF_LIBRARIES} dwarves)
target_link_libraries(dwarves_emit dwarves)
set(dwarves_reorganize_LIB_SRCS dwarves_reorganize.c)
add_library(dwarves_reorganize SHARED ${dwarves_reorganize_LIB_SRCS})
set_target_properties(dwarves_reorganize PROPERTIES VERSION 1.0.0 SOVERSION 1)
target_link_libraries(dwarves_reorganize ${DWARF_LIBRARIES} dwarves)
target_link_libraries(dwarves_reorganize dwarves)
set(codiff_SRCS codiff.c)
add_executable(codiff ${codiff_SRCS})