1 files changed, 98 insertions, 0 deletions
diff --git a/cmake/FindICU.cmake b/cmake/FindICU.cmake
new file mode 100644
index 0000000..7b84bed
--- /dev/null
+++ b/cmake/FindICU.cmake
@@ -0,0 +1,98 @@
+# 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)
+
+# Our first goal is to find the icu-config script, if possible
+find_program(
+  ICU_CONFIG_BIN
+  icu-config
+)
+find_program(
+     ICU_GENRB
+     genrb
+)
+
+if(ICU_CONFIG_BIN)
+  MESSAGE(STATUS "icu-config found at ${ICU_CONFIG_BIN}: Using that for configuration")
+  MESSAGE(STATUS "genrb found at ${ICU_GENRB}: Using that for generating transliteration data")
+
+  # Get include directories
+  execute_process(COMMAND "${ICU_CONFIG_BIN}" "--cppflags"
+    OUTPUT_VARIABLE ICU_INCLUDE_DIR
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  # Sanitize output
+  string(REPLACE "-I" "" ICU_INCLUDE_DIR ${ICU_INCLUDE_DIR})
+  string(REGEX REPLACE "^[ 	]+" "" ICU_INCLUDE_DIR ${ICU_INCLUDE_DIR})
+
+     # Try to get the Libraries we need
+  execute_process(COMMAND "${ICU_CONFIG_BIN}" "--ldflags"
+    OUTPUT_VARIABLE ICU_LIBRARY_RAW
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  
+  execute_process(COMMAND "${ICU_CONFIG_BIN}" "--ldflags-icuio"
+     OUTPUT_VARIABLE ICU_LIBRARY_IO_RAW
+     OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+
+     string(REGEX REPLACE "^[ 	]+" "" ICU_LIBRARY ${ICU_LIBRARY_RAW})
+     string(REGEX REPLACE "^[ 	]+" "" ICU_LIBRARY_IO ${ICU_LIBRARY_IO_RAW})
+     # Combine them
+     set(ICU_LIBRARY "${ICU_LIBRARY} ${ICU_LIBRARY_IO_RAW}")
+     
+     # Get the version
+     execute_process(COMMAND "${ICU_CONFIG_BIN}" "--version"
+	  OUTPUT_VARIABLE ICU_VERSION
+	  OUTPUT_STRIP_TRAILING_WHITESPACE
+     )
+else(ICU_CONFIG_BIN)
+
+  # 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)
+endif(ICU_CONFIG_BIN)
+
+# 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})
+
+  # 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 (ICU_I18N_LIBRARY)
+    set(ICU_I18N_FOUND 0)
+    set(ICU_I18N_LIBRARIES)
+  endif (ICU_I18N_LIBRARY)
+else(ICU_INCLUDE_DIR AND ICU_LIBRARY)
+  set(ICU_FOUND 0)
+  set(ICU_I18N_FOUND 0)
+  set(ICU_LIBRARIES)
+  set(ICU_I18N_LIBRARIES)
+  set(ICU_INCLUDE_DIRS)
+endif(ICU_INCLUDE_DIR AND ICU_LIBRARY)