These flags are meaningless outside of Windows

CMakeLists.txt

@@ -69,6 +69,7 @@ endif()
 
 include(PrecompiledHeader)    #Precompiled Header helper macros
 
+if(WIN32)
     # libCurl isn't smart enough to detect this for us, so we have to configure it ourselves
     option(CURL_IS_STATIC "Using the static version of libcurl?" ON)
     if(CURL_IS_STATIC)
@@ -77,6 +78,7 @@ endif(CURL_IS_STATIC)
 
     # Same story for expat
     option(EXPAT_IS_STATIC "Using the static version of libexpat" ON)
+endif(WIN32)
 
 option(PLASMA_EXTERNAL_RELEASE "Is this release intended for the general public?" OFF)
 if(PLASMA_EXTERNAL_RELEASE)

Sources/Plasma/FeatureLib/pfLocalizationMgr/CMakeLists.txt

@@ -3,10 +3,13 @@ include_directories(../../PubUtilLib)
 
 include_directories(${EXPAT_INCLUDE_DIR})
 
+if(WIN32)
     add_definitions(-DWIN32)
+
     if(EXPAT_IS_STATIC)
         add_definitions(-DXML_STATIC)
     endif()
+endif()
 
 set(pfLocalizationMgr_SOURCES
     pfLocalizationDataMgr.cpp