Merge pull request #1097 from dundargoc/cmake-version

Bump minimum cmake version to 3.5 to avoid deprecation warning

CMakeLists.txt

@@ -1,9 +1,12 @@
-CMAKE_MINIMUM_REQUIRED (VERSION 2.8.12)
-
-IF ((CMAKE_VERSION VERSION_GREATER 3.1) OR
-    (CMAKE_VERSION VERSION_EQUAL 3.1))
-    CMAKE_POLICY(SET CMP0054 NEW)
-ENDIF ()
+if(${CMAKE_VERSION} VERSION_GREATER "3.4")
+    CMAKE_MINIMUM_REQUIRED (VERSION 3.5)
+else()
+    CMAKE_MINIMUM_REQUIRED (VERSION 2.8.12)
+    IF ((CMAKE_VERSION VERSION_GREATER 3.1) OR
+        (CMAKE_VERSION VERSION_EQUAL 3.1))
+        CMAKE_POLICY(SET CMP0054 NEW)
+    ENDIF ()
+endif()
 
 OPTION (MSGPACK_BUILD_TESTS "Build msgpack tests." OFF)
 OPTION (MSGPACK_GEN_COVERAGE "Enable running gcov to get a test coverage report." OFF)
@@ -38,7 +41,7 @@ IF (BIGENDIAN)
     SET(MSGPACK_ENDIAN_LITTLE_BYTE 0)
 ELSE ()
     SET(MSGPACK_ENDIAN_BIG_BYTE 0)
-        SET(MSGPACK_ENDIAN_LITTLE_BYTE 1)
+    SET(MSGPACK_ENDIAN_LITTLE_BYTE 1)
 ENDIF ()
 
 CONFIGURE_FILE (

ci/build_cmake.sh

@@ -20,12 +20,13 @@ if [ "${ARCH}" == "32" ]
 then
     export BIT32="ON"
     export ARCH_FLAG="-m32"
+    ZLIB32="-DZLIB_LIBRARY=/usr/lib32/libz.a"
 else
     export BIT32="OFF"
     export ARCH_FLAG="-m64"
 fi
 
-cmake -DMSGPACK_BUILD_TESTS=ON -DMSGPACK_32BIT=${BIT32} -DBUILD_SHARED_LIBS=${SHARED} -DMSGPACK_CHAR_SIGN=${CHAR_SIGN} -DCMAKE_CXX_FLAGS="${ARCH_FLAG} ${CXXFLAGS} ${SAN}" -DCMAKE_C_FLAGS="${CFLAGS} ${SAN}" ..
+cmake -DMSGPACK_BUILD_TESTS=ON -DMSGPACK_32BIT=${BIT32} -DBUILD_SHARED_LIBS=${SHARED} -DMSGPACK_CHAR_SIGN=${CHAR_SIGN} -DCMAKE_CXX_FLAGS="${ARCH_FLAG} ${CXXFLAGS} ${SAN}" -DCMAKE_C_FLAGS="${CFLAGS} ${SAN}" ${ZLIB32} ..
 
 ret=$?
 if [ $ret -ne 0 ]

example/cmake/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.0)
+cmake_minimum_required (VERSION 3.5)
 project (example)
 
 if(EXAMPLE_MSGPACK_EMBEDDED)