cmake: set PIC using the default variable

CMakeLists.txt

@@ -195,6 +195,7 @@ else()
   endforeach ()
 endif()
 
+set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
 set(CMAKE_AUTOMOC TRUE)
 
 macro(qt_wrap_ui var)

src/CMakeLists.txt

@@ -233,8 +233,7 @@ qt_wrap_ui(keepassx_SOURCES ${keepassx_FORMS})
 
 add_library(keepassx_core STATIC ${keepassx_SOURCES})
 set_target_properties(keepassx_core PROPERTIES
-  COMPILE_DEFINITIONS KEEPASSX_BUILDING_CORE
-  POSITION_INDEPENDENT_CODE ON)
+  COMPILE_DEFINITIONS KEEPASSX_BUILDING_CORE)
 
 add_executable(${PROGNAME} WIN32 MACOSX_BUNDLE ${keepassx_SOURCES_MAINEXE})
 target_link_libraries(${PROGNAME}
@@ -244,8 +243,6 @@ target_link_libraries(${PROGNAME}
                       ${QT_QTWIDGETS_LIBRARY}
                       ${GCRYPT_LIBRARIES}
                       ${ZLIB_LIBRARIES})
-set_target_properties(${PROGNAME} PROPERTIES
-  POSITION_INDEPENDENT_CODE ON)
 
 if(UNIX AND NOT APPLE)
   target_link_libraries(${PROGNAME} ${QT_QTDBUS_LIBRARY})

tests/CMakeLists.txt

@@ -57,8 +57,6 @@ macro(add_unit_test)
   set(_srcList ${TEST_SOURCES})
   add_executable(${_test_NAME} ${_srcList})
   target_link_libraries(${_test_NAME} ${TEST_LIBS})
-  set_target_properties(${_test_NAME} PROPERTIES
-    POSITION_INDEPENDENT_CODE ON)
 
   if(NOT TEST_OUTPUT)
     set(TEST_OUTPUT plaintext)
@@ -101,8 +99,6 @@ endif()
 
 set(modeltest_SOURCRS modeltest.cpp)
 add_library(modeltest STATIC ${modeltest_SOURCRS})
-set_target_properties(modeltest PROPERTIES
-  POSITION_INDEPENDENT_CODE ON)
 
 add_unit_test(NAME testgroup SOURCES TestGroup.cpp MOCS TestGroup.h
               LIBS ${TEST_LIBRARIES})

utils/CMakeLists.txt

@@ -24,5 +24,3 @@ target_link_libraries(kdbx-extract
                       ${QT_QTDBUS_LIBRARY}
                       ${GCRYPT_LIBRARIES}
                       ${ZLIB_LIBRARIES})
-set_target_properties(kdbx-extract PROPERTIES
-  POSITION_INDEPENDENT_CODE ON)