1 files changed, 136 insertions, 0 deletions
diff --git a/cmake/Modules/GrSwig.cmake b/cmake/Modules/GrSwig.cmake
new file mode 100644
index 000000000..0fa1c7b77
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+++ b/cmake/Modules/GrSwig.cmake
@@ -0,0 +1,136 @@
+# Copyright 2010-2011 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio 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; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+if(DEFINED __INCLUDED_GR_SWIG_CMAKE)
+    return()
+endif()
+set(__INCLUDED_GR_SWIG_CMAKE TRUE)
+
+include(GrPython)
+
+########################################################################
+# Build a swig target for the common gnuradio use case. Usage:
+# GR_SWIG_MAKE(target ifile ifile ifile...)
+#
+# Set the following variables before calling:
+#   - GR_SWIG_FLAGS
+#   - GR_SWIG_INCLUDE_DIRS
+#   - GR_SWIG_LIBRARIES
+#   - GR_SWIG_SOURCE_DEPS
+#   - GR_SWIG_TARGET_DEPS
+########################################################################
+macro(GR_SWIG_MAKE name)
+    set(ifiles ${ARGN})
+
+    #determine include dependencies for swig file
+    execute_process(
+        COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_BINARY_DIR}/get_swig_deps.py
+        "${ifiles}" "${GR_SWIG_INCLUDE_DIRS}"
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        OUTPUT_VARIABLE SWIG_MODULE_${name}_EXTRA_DEPS
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    )
+
+    #append the specified include directories
+    include_directories(${GR_SWIG_INCLUDE_DIRS})
+    list(APPEND SWIG_MODULE_${name}_EXTRA_DEPS ${GR_SWIG_SOURCE_DEPS})
+
+    find_package(PythonLibs)
+    include_directories(${PYTHON_INCLUDE_DIRS})
+
+    #setup the swig flags with flags and include directories
+    set(CMAKE_SWIG_FLAGS -fvirtual -modern -keyword -w511 -module ${name} ${GR_SWIG_FLAGS})
+    foreach(dir ${GR_SWIG_INCLUDE_DIRS})
+        list(APPEND CMAKE_SWIG_FLAGS "-I${dir}")
+    endforeach(dir)
+
+    #set the C++ property on the swig .i file so it builds
+    set_source_files_properties(${ifiles} PROPERTIES CPLUSPLUS ON)
+
+    #setup the actual swig library target to be built
+    include(UseSWIG)
+    SWIG_ADD_MODULE(${name} python ${ifiles})
+    SWIG_LINK_LIBRARIES(${name} ${PYTHON_LIBRARIES} ${GR_SWIG_LIBRARIES})
+    if(GR_SWIG_TARGET_DEPS)
+        add_dependencies(${SWIG_MODULE_${name}_REAL_NAME} ${GR_SWIG_TARGET_DEPS})
+    endif(GR_SWIG_TARGET_DEPS)
+
+endmacro(GR_SWIG_MAKE)
+
+########################################################################
+# Install swig targets generated by GR_SWIG_MAKE. Usage:
+# GR_SWIG_INSTALL(
+#   TARGETS target target target...
+#   [DESTINATION destination]
+#   [COMPONENT component]
+# )
+########################################################################
+macro(GR_SWIG_INSTALL)
+
+    include(CMakeParseArgumentsCopy)
+    CMAKE_PARSE_ARGUMENTS(GR_SWIG_INSTALL "" "DESTINATION;COMPONENT" "TARGETS" ${ARGN})
+
+    foreach(name ${GR_SWIG_INSTALL_TARGETS})
+        install(TARGETS ${SWIG_MODULE_${name}_REAL_NAME}
+            DESTINATION ${GR_SWIG_INSTALL_DESTINATION}
+            COMPONENT ${GR_SWIG_INSTALL_COMPONENT}
+        )
+
+        include(GrPython)
+        GR_PYTHON_INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}.py
+            DESTINATION ${GR_SWIG_INSTALL_DESTINATION}
+            COMPONENT ${GR_SWIG_INSTALL_COMPONENT}
+        )
+    endforeach(name)
+
+endmacro(GR_SWIG_INSTALL)
+
+########################################################################
+# Generate a python file that can determine swig dependencies.
+# Used by the make macro above to determine extra dependencies.
+# When you build C++, CMake figures out the header dependencies.
+# This code essentially performs that logic for swig includes.
+########################################################################
+file(WRITE ${CMAKE_BINARY_DIR}/get_swig_deps.py "
+
+import os, sys, re
+
+include_matcher = re.compile('[#|%]include\\s*[<|\"](.*)[>|\"]')
+include_dirs = sys.argv[2].split(';')
+
+def get_swig_incs(file_path):
+    file_contents = open(file_path, 'r').read()
+    return include_matcher.findall(file_contents, re.MULTILINE)
+
+def get_swig_deps(file_path, level):
+    deps = [file_path]
+    if level == 0: return deps
+    for inc_file in get_swig_incs(file_path):
+        for inc_dir in include_dirs:
+            inc_path = os.path.join(inc_dir, inc_file)
+            if not os.path.exists(inc_path): continue
+            deps.extend(get_swig_deps(inc_path, level-1))
+    return deps
+
+if __name__ == '__main__':
+    ifiles = sys.argv[1].split(';')
+    deps = sum([get_swig_deps(ifile, 3) for ifile in ifiles], [])
+    #sys.stderr.write(';'.join(set(deps)) + '\\n\\n')
+    print(';'.join(set(deps)))
+")