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authorGravatar Feng Xiao <xiaofeng@google.com>2016-08-03 11:03:15 -0700
committerGravatar GitHub <noreply@github.com>2016-08-03 11:03:15 -0700
commit0dca3cc5d642590d4c2bc75ce15e0c2ca31bcc87 (patch)
tree1db74a4f563c4bea6378bc10d136167393883044
parentdedd8aec0d87e3d6df511a881ca15f51b3c8f487 (diff)
parenteefd1fdd488eba88834a41d1008e0a8f1ae2a41c (diff)
Merge pull request #1865 from podsvirov/topic-cmake-project
CMake: Improvements and Bugfixes
-rw-r--r--cmake/CMakeLists.txt2
-rw-r--r--cmake/libprotobuf.cmake5
-rw-r--r--cmake/protobuf-config.cmake.in3
-rw-r--r--cmake/protobuf-module.cmake.in1
4 files changed, 9 insertions, 2 deletions
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 07b176d9..f947b741 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -86,6 +86,7 @@ if (CMAKE_USE_PTHREADS_INIT)
add_definitions(-DHAVE_PTHREAD)
endif (CMAKE_USE_PTHREADS_INIT)
+set(_protobuf_FIND_ZLIB)
if (protobuf_WITH_ZLIB)
find_package(ZLIB)
if (ZLIB_FOUND)
@@ -96,6 +97,7 @@ if (protobuf_WITH_ZLIB)
# Using imported target if exists
if (TARGET ZLIB::ZLIB)
set(ZLIB_LIBRARIES ZLIB::ZLIB)
+ set(_protobuf_FIND_ZLIB "if(NOT ZLIB_FOUND)\n find_package(ZLIB)\nendif()")
endif (TARGET ZLIB::ZLIB)
else (ZLIB_FOUND)
set(HAVE_ZLIB 0)
diff --git a/cmake/libprotobuf.cmake b/cmake/libprotobuf.cmake
index 8930c1ca..26e1f356 100644
--- a/cmake/libprotobuf.cmake
+++ b/cmake/libprotobuf.cmake
@@ -56,7 +56,10 @@ set(libprotobuf_files
add_library(libprotobuf ${protobuf_SHARED_OR_STATIC}
${libprotobuf_lite_files} ${libprotobuf_files})
-target_link_libraries(libprotobuf ${CMAKE_THREAD_LIBS_INIT} ${ZLIB_LIBRARIES})
+target_link_libraries(libprotobuf ${CMAKE_THREAD_LIBS_INIT})
+if(protobuf_WITH_ZLIB)
+ target_link_libraries(libprotobuf ${ZLIB_LIBRARIES})
+endif()
target_include_directories(libprotobuf PUBLIC ${protobuf_source_dir}/src)
if(MSVC AND protobuf_BUILD_SHARED_LIBS)
target_compile_definitions(libprotobuf
diff --git a/cmake/protobuf-config.cmake.in b/cmake/protobuf-config.cmake.in
index 37315510..a044fe5c 100644
--- a/cmake/protobuf-config.cmake.in
+++ b/cmake/protobuf-config.cmake.in
@@ -1,6 +1,9 @@
# User options
include("${CMAKE_CURRENT_LIST_DIR}/protobuf-options.cmake")
+# Depend packages
+@_protobuf_FIND_ZLIB@
+
# Imported targets
include("${CMAKE_CURRENT_LIST_DIR}/protobuf-targets.cmake")
diff --git a/cmake/protobuf-module.cmake.in b/cmake/protobuf-module.cmake.in
index 6e0bcf90..614e4c04 100644
--- a/cmake/protobuf-module.cmake.in
+++ b/cmake/protobuf-module.cmake.in
@@ -147,7 +147,6 @@ function(_protobuf_find_libraries name filename)
LOCATION_RELEASE)
get_target_property(${name}_LIBRARY_DEBUG protobuf::lib${filename}
LOCATION_DEBUG)
- endif()
select_library_configurations(${name})
set(${name}_LIBRARY ${${name}_LIBRARY} PARENT_SCOPE)