1 files changed, 56 insertions, 31 deletions
diff --git a/gr-digital/swig/CMakeLists.txt b/gr-digital/swig/CMakeLists.txt
index 2f00dc14a3..fb13d3e402 100644
--- a/gr-digital/swig/CMakeLists.txt
+++ b/gr-digital/swig/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright 2011,2012 Free Software Foundation, Inc.
+# Copyright 2011-2016 Free Software Foundation, Inc.
 #
 # This file is part of GNU Radio
 #
@@ -24,47 +24,72 @@ include(GrPython)
 include(GrSwig)
 
 set(GR_SWIG_INCLUDE_DIRS
-    ${GR_DIGITAL_INCLUDE_DIRS}
-    ${GR_BLOCKS_INCLUDE_DIRS}
-    ${GR_ANALOG_INCLUDE_DIRS}
-    ${GR_FFT_INCLUDE_DIRS}
-    ${GR_FILTER_INCLUDE_DIRS}
-    ${GNURADIO_RUNTIME_SWIG_INCLUDE_DIRS}
-    ${VOLK_INCLUDE_DIRS}
-    ${Boost_INCLUDE_DIRS}
+  ${GR_DIGITAL_INCLUDE_DIRS}
+  ${GR_BLOCKS_INCLUDE_DIRS}
+  ${GR_ANALOG_INCLUDE_DIRS}
+  ${GR_FFT_INCLUDE_DIRS}
+  ${GR_FILTER_INCLUDE_DIRS}
+  ${GNURADIO_RUNTIME_SWIG_INCLUDE_DIRS}
+  ${VOLK_INCLUDE_DIRS}
+  ${Boost_INCLUDE_DIRS}
 )
 
 if(ENABLE_GR_CTRLPORT)
   list(APPEND GR_SWIG_FLAGS "-DGR_CTRLPORT")
 endif(ENABLE_GR_CTRLPORT)
 
-# Setup swig docs to depend on includes and pull in from build directory
-set(GR_SWIG_TARGET_DEPS digital_generated_includes)
-set(GR_SWIG_DOC_FILE ${CMAKE_CURRENT_BINARY_DIR}/digital_swig_doc.i)
-set(GR_SWIG_DOC_DIRS
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/digital_swig.py.in
+  ${CMAKE_CURRENT_BINARY_DIR}/digital_swig.py
+@ONLY)
+
+# We split up the swig files into multiple sections to minimize the
+# memory overhead. If a .i file grows too large, create a new file
+# named 'digital_swigN.i' and add it to this list.
+#
+# Also add the line "from swig_blocksN import *" line to
+# digital_swig.py.in.
+set(GR_SWIG_BLOCK_IFILES
+  digital_swig0
+  digital_swig1
+  digital_swig2
+)
+
+foreach(swigfile ${GR_SWIG_BLOCK_IFILES})
+  set(GR_SWIG_DOC_FILE ${CMAKE_CURRENT_BINARY_DIR}/${swigfile}_doc.i)
+  set(GR_SWIG_DOC_DIRS
     ${CMAKE_CURRENT_SOURCE_DIR}/../include/gnuradio/digital
     ${CMAKE_CURRENT_BINARY_DIR}/../include/gnuradio/digital
-)
-set(GR_SWIG_DOCS_TARGET_DEPS runtime_swig_swig_doc)
+  )
+  set(GR_SWIG_DOCS_TARGET_DEPS runtime_swig_swig_doc)
+  set(GR_SWIG_TARGET_DEPS digital_generated_includes)
+  set(GR_SWIG_LIBRARIES gnuradio-digital
+    gnuradio-filter gnuradio-analog gnuradio-blocks)
+  GR_SWIG_MAKE(${swigfile} ${swigfile}.i)
 
-set(GR_SWIG_LIBRARIES gnuradio-digital
-  gnuradio-filter gnuradio-analog gnuradio-blocks)
+  GR_SWIG_INSTALL(
+    TARGETS ${swigfile}
+    DESTINATION ${GR_PYTHON_DIR}/gnuradio/digital
+    COMPONENT "digital_python")
 
-GR_SWIG_MAKE(digital_swig digital_swig.i)
+  list(APPEND SWIGFILES ${swigfile}.i)
+  list(APPEND SWIGDOCFILES ${CMAKE_CURRENT_BINARY_DIR}/${swigfile}_doc.i)
+endforeach(swigfile)
 
-GR_SWIG_INSTALL(
-    TARGETS digital_swig
-    DESTINATION ${GR_PYTHON_DIR}/gnuradio/digital
-    COMPONENT "digital_python"
+install(
+  FILES
+  ${SWIGFILES}
+  constellation.i
+  ofdm_equalizer.i
+  packet_header.i
+  ${SWIGDOCFILES}
+  DESTINATION ${GR_INCLUDE_DIR}/gnuradio/swig
+  COMPONENT "digital_swig"
 )
 
-install(
-    FILES
-    digital_swig.i
-    constellation.i
-    ofdm_equalizer.i
-    packet_header.i
-    ${CMAKE_CURRENT_BINARY_DIR}/digital_swig_doc.i
-    DESTINATION ${GR_INCLUDE_DIR}/gnuradio/swig
-    COMPONENT "digital_swig"
+# Install the Python file that pulls in the swig built files.
+GR_PYTHON_INSTALL(
+  FILES ${CMAKE_CURRENT_BINARY_DIR}/digital_swig.py
+  DESTINATION ${GR_PYTHON_DIR}/gnuradio/digital
+  COMPONENT "digital_python"
 )