Sync cmake's installation layout to Makefile and Meson builds

Author: mochaaP

CMakeLists.txt

@@ -1,12 +1,16 @@
 cmake_minimum_required(VERSION 3.5)
-project(pystring CXX)
+project(pystring LANGUAGES CXX VERSION 1.1.4)
 
 option (BUILD_SHARED_LIBS "Build shared libraries (set to OFF to build static libs)" ON)
 
 add_library(pystring
     pystring.cpp
     pystring.h
 )
+set_target_properties(pystring PROPERTIES
+    VERSION ${PROJECT_VERSION}
+    SOVERSION ${PROJECT_VERSION_MAJOR}
+)
 
 add_executable (pystring_test test.cpp)
 TARGET_LINK_LIBRARIES (pystring_test pystring)
@@ -20,7 +24,7 @@ install(TARGETS pystring
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 )
 install (FILES pystring.h
-    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
     COMPONENT developer
 )