improve cmake

CMakeLists.txt

@@ -100,14 +100,14 @@ include_directories(${QT_INCLUDE_DIRS} ${ElementaryUtils_INCLUDE_DIR} ${NumA++_I
 
 file(READ ${ElementaryUtils_INCLUDE_DIR}/ElementaryUtils/ElementaryUtilsVersion.h VERSION_STR)
 
-string(REGEX MATCH "ELEMENTARY_UTILS_GIT_BRANCH[ \t]*[^\t\n]*\n" ELEMUTILS_BRANCH ${VERSION_STR})
-string(REGEX REPLACE "ELEMENTARY_UTILS_GIT_BRANCH[ \t]*" "" ELEMUTILS_BRANCH ${ELEMUTILS_BRANCH})
-string(REGEX REPLACE "\"" "" ELEMUTILS_BRANCH ${ELEMUTILS_BRANCH})
+string(REGEX MATCH "ELEMENTARY_UTILS_GIT_BRANCH[ \t]*[^\t\n]*\n" ELEMUTILS_BRANCH "${VERSION_STR}")
+string(REGEX REPLACE "ELEMENTARY_UTILS_GIT_BRANCH[ \t]*" "" ELEMUTILS_BRANCH "${ELEMUTILS_BRANCH}")
+string(REGEX REPLACE "\"" "" ELEMUTILS_BRANCH "${ELEMUTILS_BRANCH}")
 string(STRIP ${ELEMUTILS_BRANCH} ELEMUTILS_BRANCH)
 string(REGEX MATCH "ELEMENTARY_UTILS_GIT_REVISION[ \t]*[^\t\n]*\n" ELEMUTILS_REVISION ${VERSION_STR})
-string(REGEX REPLACE "ELEMENTARY_UTILS_GIT_REVISION[ \t]*" "" ELEMUTILS_REVISION ${ELEMUTILS_REVISION})
-string(REGEX REPLACE "\"" "" ELEMUTILS_REVISION ${ELEMUTILS_REVISION})
-string(STRIP ${ELEMUTILS_REVISION} ELEMUTILS_REVISION)
+string(REGEX REPLACE "ELEMENTARY_UTILS_GIT_REVISION[ \t]*" "" ELEMUTILS_REVISION "${ELEMUTILS_REVISION}")
+string(REGEX REPLACE "\"" "" ELEMUTILS_REVISION "${ELEMUTILS_REVISION}")
+string(STRIP "${ELEMUTILS_REVISION}" ELEMUTILS_REVISION)
 
 file(READ ${NumA++_INCLUDE_DIR}/NumA/NumAVersion.h VERSION_STR)