SYSCONFDIR and LinuxPath should work with different install prefixs

CMakeLists.txt

@@ -401,7 +401,7 @@ IF(NOT WIN32 AND NOT APPLE)
     SET(DATADIR "${DATAROOTDIR}/games/openmw" CACHE PATH "Sets the openmw data directories to a non-default location")
     SET(ICONDIR "${DATAROOTDIR}/pixmaps" CACHE PATH "Set icon dir")
     SET(LICDIR "${DATAROOTDIR}/licenses/openmw" CACHE PATH "Sets the openmw license directory to a non-default location.")
-    SET(SYSCONFDIR "/etc/openmw" CACHE PATH "Set config dir")
+    SET(SYSCONFDIR "${CMAKE_INSTALL_PREFIX}/etc/openmw" CACHE PATH "Set config dir")
 
     # Install binaries
     INSTALL(PROGRAMS "${OpenMW_BINARY_DIR}/openmw" DESTINATION "${BINDIR}" )

components/CMakeLists.txt

@@ -57,6 +57,7 @@ add_component_dir (misc
     utf8stream stringops resourcehelpers
     )
 
+add_definitions(-DINSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}")
 add_component_dir (files
     linuxpath androidpath windowspath macospath fixedpath multidircollection collections configurationmanager
     constrainedfiledatastream lowlevelfile

components/files/linuxpath.cpp

@@ -69,7 +69,7 @@ boost::filesystem::path LinuxPath::getCachePath() const
 
 boost::filesystem::path LinuxPath::getGlobalConfigPath() const
 {
-    boost::filesystem::path globalPath("/etc/");
+    boost::filesystem::path globalPath(INSTALL_PREFIX "/etc/");
     return globalPath / mName;
 }
 
@@ -80,7 +80,7 @@ boost::filesystem::path LinuxPath::getLocalPath() const
 
 boost::filesystem::path LinuxPath::getGlobalDataPath() const
 {
-    boost::filesystem::path globalDataPath("/usr/share/games/");
+    boost::filesystem::path globalDataPath(INSTALL_PREFIX "/share/games/");
     return globalDataPath / mName;
 }