X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=CMakeLists.txt;h=03ac969ef5bc8013ca940ded687a72cb766b654b;hp=98c1203a25e0b44ecfefb6e3b738e118da918da8;hb=7e95ff801372a9707ecf9e7a32e74d7f5d55f118;hpb=0acbc7fd0da2e96634c8cd1ebb33d69b4f7b2efa

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 98c1203a..03ac969e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,12 +127,12 @@ endif()
 
 # Setting COMPILE_DEFINITIONS_<CONFIG> is deprecated since CMake 3.0 in favor of generator expressions.
 # These have existed since CMake 2.8.10; until we depend on that, we have to explicitly enable the old policy.
-if (CMAKE_MAJOR_VERSION GREATER 2)
+if (POLICY CMP0043)
     cmake_policy(SET CMP0043 OLD)
 endif()
 
 # Honor visibility settings for all target types
-if (CMAKE_VERSION VERSION_GREATER 3.3)
+if (POLICY CMP0063)
     cmake_policy(SET CMP0063 NEW)
 endif()
 
@@ -433,6 +433,11 @@ endif()
 cmake_push_check_state(RESET)
 set(CMAKE_REQUIRED_INCLUDES ${QT_INCLUDES} ${Qt5Core_INCLUDE_DIRS})
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Core_EXECUTABLE_COMPILE_FLAGS}")
+
+if (USE_QT5 AND Qt5_POSITION_INDEPENDENT_CODE)
+    set(CMAKE_REQUIRED_FLAGS "-fPIC -DQT_NO_VERSION_TAGGING")
+endif()
+
 check_cxx_source_compiles("
     #include \"qglobal.h\"
     #if defined QT_NO_SSL
@@ -577,6 +582,16 @@ include(GetGitRevisionDescription)
 get_git_head_revision(GIT_REFSPEC GIT_HEAD)
 git_describe(GIT_DESCRIBE --long)
 
+# If in a Git repo we can get the commit-date from a git command
+if (GIT_HEAD)
+    execute_process(
+        COMMAND git show -s --format=%ct
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        OUTPUT_VARIABLE GIT_COMMIT_DATE
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+endif()
+
 # If not in a Git repo try to read GIT_HEAD and GIT_DESCRIBE from
 # enviroment
 if (NOT GIT_HEAD OR NOT GIT_DESCRIBE)
@@ -592,6 +607,7 @@ endif()
 if (NOT GIT_HEAD OR NOT GIT_DESCRIBE)
     set(GIT_HEAD "")
     set(GIT_DESCRIBE "")
+    set(GIT_COMMIT_DATE 0)
 endif()
 
 configure_file(version.h.in ${CMAKE_BINARY_DIR}/version.h @ONLY)