WL#5161 : Cross-platform build with CMake

cmake/merge_archives_unix.cmake.in

@@ -0,0 +1,62 @@
+# Copyright (C) 2009 Sun Microsystems, Inc
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA 
+
+# This script merges many static libraries into
+# one big library on Unix.
+SET(TARGET_LOCATION "@TARGET_LOCATION@")
+SET(TARGET "@TARGET@")
+SET(STATIC_LIBS "@STATIC_LIBS@")
+SET(CMAKE_CURRENT_BINARY_DIR "@CMAKE_CURRENT_BINARY_DIR@")
+SET(CMAKE_AR "@CMAKE_AR@")
+SET(CMAKE_RANLIB "@CMAKE_RANLIB@")
+
+
+SET(TEMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/merge_archives_${TARGET})
+MAKE_DIRECTORY(${TEMP_DIR})
+# Extract each archive to its own subdirectory(avoid object filename clashes)
+FOREACH(LIB ${STATIC_LIBS})
+  GET_FILENAME_COMPONENT(NAME_NO_EXT ${LIB} NAME_WE)
+  SET(TEMP_SUBDIR ${TEMP_DIR}/${NAME_NO_EXT})
+  MAKE_DIRECTORY(${TEMP_SUBDIR})
+  EXECUTE_PROCESS(
+    COMMAND ${CMAKE_AR} -x ${LIB}
+    WORKING_DIRECTORY ${TEMP_SUBDIR}
+  )
+
+  FILE(GLOB_RECURSE LIB_OBJECTS "${TEMP_SUBDIR}/*")
+  SET(OBJECTS ${OBJECTS} ${LIB_OBJECTS})
+ENDFOREACH()
+
+# Use relative paths, makes command line shorter.
+GET_FILENAME_COMPONENT(ABS_TEMP_DIR ${TEMP_DIR} ABSOLUTE)
+FOREACH(OBJ ${OBJECTS})
+  FILE(RELATIVE_PATH OBJ ${ABS_TEMP_DIR} ${OBJ})
+  FILE(TO_NATIVE_PATH ${OBJ} OBJ)
+  SET(ALL_OBJECTS ${ALL_OBJECTS} ${OBJ})
+ENDFOREACH()
+
+FILE(TO_NATIVE_PATH ${TARGET_LOCATION} ${TARGET_LOCATION})
+# Now pack the objects into library with ar.
+EXECUTE_PROCESS(
+  COMMAND ${CMAKE_AR} -r ${TARGET_LOCATION} ${ALL_OBJECTS}
+  WORKING_DIRECTORY ${TEMP_DIR}
+)
+EXECUTE_PROCESS(
+  COMMAND ${CMAKE_RANLIB} ${TARGET_LOCATION}
+  WORKING_DIRECTORY ${TEMP_DIR}
+)
+
+# Cleanup
+FILE(REMOVE_RECURSE ${TEMP_DIR})