cmake/FindICU.cmake
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmake/FindICU.cmake	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,77 @@
+# Finds the International Components for Unicode (ICU) Library
+#
+#  ICU_FOUND          - True if ICU found.
+#  ICU_I18N_FOUND     - True if ICU's internationalization library found.
+#  ICU_INCLUDE_DIRS   - Directory to include to get ICU headers
+#                       Note: always include ICU headers as, e.g.,
+#                       unicode/utypes.h
+#  ICU_LIBRARIES      - Libraries to link against for the common ICU
+#  ICU_I18N_LIBRARIES - Libraries to link against for ICU internationaliation
+#                       (note: in addition to ICU_LIBRARIES)
+
+# Look for the header file.
+FIND_PATH(
+    ICU_INCLUDE_DIR
+    NAMES unicode/utypes.h
+    DOC "Include directory for the ICU library")
+MARK_AS_ADVANCED(ICU_INCLUDE_DIR)
+
+# Look for the library.
+FIND_LIBRARY(
+    ICU_LIBRARY
+    NAMES icuuc cygicuuc cygicuuc32
+    DOC "Libraries to link against for the common parts of ICU")
+MARK_AS_ADVANCED(ICU_LIBRARY)
+
+# Copy the results to the output variables.
+IF (ICU_INCLUDE_DIR AND ICU_LIBRARY)
+    SET(ICU_FOUND 1)
+    SET(ICU_LIBRARIES ${ICU_LIBRARY})
+    SET(ICU_INCLUDE_DIRS ${ICU_INCLUDE_DIR})
+
+    SET(ICU_VERSION 0)
+    SET(ICU_MAJOR_VERSION 0)
+    SET(ICU_MINOR_VERSION 0)
+    FILE(READ "${ICU_INCLUDE_DIR}/unicode/uversion.h" _ICU_VERSION_CONENTS)
+    STRING(REGEX REPLACE ".*#define U_ICU_VERSION_MAJOR_NUM ([0-9]+).*" "\\1" ICU_MAJOR_VERSION "${_ICU_VERSION_CONENTS}")
+    STRING(REGEX REPLACE ".*#define U_ICU_VERSION_MINOR_NUM ([0-9]+).*" "\\1" ICU_MINOR_VERSION "${_ICU_VERSION_CONENTS}")
+
+    SET(ICU_VERSION "${ICU_MAJOR_VERSION}.${ICU_MINOR_VERSION}")
+
+    # Look for the ICU internationalization libraries
+    FIND_LIBRARY(
+        ICU_I18N_LIBRARY
+        NAMES icuin icui18n cygicuin cygicuin32
+        DOC "Libraries to link against for ICU internationalization")
+    MARK_AS_ADVANCED(ICU_I18N_LIBRARY)
+    IF (ICU_I18N_LIBRARY)
+        SET(ICU_I18N_FOUND 1)
+        SET(ICU_I18N_LIBRARIES ${ICU_I18N_LIBRARY})
+    ELSE ()
+        SET(ICU_I18N_FOUND 0)
+        SET(ICU_I18N_LIBRARIES)
+    ENDIF ()
+ELSE ()
+    SET(ICU_FOUND 0)
+    SET(ICU_I18N_FOUND 0)
+    SET(ICU_LIBRARIES)
+    SET(ICU_I18N_LIBRARIES)
+    SET(ICU_INCLUDE_DIRS)
+    SET(ICU_VERSION)
+    SET(ICU_MAJOR_VERSION)
+    SET(ICU_MINOR_VERSION)
+ENDIF ()
+
+IF (ICU_FOUND)
+    IF (NOT ICU_FIND_QUIETLY)
+        MESSAGE(STATUS "Found ICU header files in ${ICU_INCLUDE_DIRS}")
+        MESSAGE(STATUS "Found ICU libraries: ${ICU_LIBRARIES}")
+    ENDIF ()
+ELSE ()
+    IF (ICU_FIND_REQUIRED)
+        MESSAGE(FATAL_ERROR "Could not find ICU")
+    ELSE ()
+        MESSAGE(STATUS "Optional package ICU was not found")
+    ENDIF ()
+ENDIF ()
+