build: CMake refactoring

Includes:
- refactor build_lib and build_lib_example macros
    - unify src and contrib macros
    - replace macro with function not to leak definitions
    - parse list of arguments
- different cmake-format file for modules to list one item per line

src/sixlowpan/CMakeLists.txt

@@ -1,26 +1,29 @@
-set(name sixlowpan)
-
-set(source_files helper/sixlowpan-helper.cc model/sixlowpan-header.cc
-                 model/sixlowpan-net-device.cc
-)
-
-set(header_files helper/sixlowpan-helper.h model/sixlowpan-header.h
-                 model/sixlowpan-net-device.h
-)
-
-set(libraries_to_link ${libinternet} ${libinternet} ${libcore})
-
 set(example_as_test_suite)
 if(${ENABLE_EXAMPLES})
-  set(example_as_test_suite test/sixlowpan-examples-test-suite.cc)
+  set(example_as_test_suite
+      test/sixlowpan-examples-test-suite.cc
+  )
 endif()
 
-set(test_sources
-    ${example_as_test_suite} test/mock-net-device.cc
-    test/sixlowpan-fragmentation-test.cc test/sixlowpan-hc1-test.cc
-    test/sixlowpan-iphc-stateful-test.cc test/sixlowpan-iphc-test.cc
-)
-
-build_lib("${name}" "${source_files}" "${header_files}" "${libraries_to_link}"
-          "${test_sources}"
+build_lib(
+  LIBNAME sixlowpan
+  SOURCE_FILES
+    helper/sixlowpan-helper.cc
+    model/sixlowpan-header.cc
+    model/sixlowpan-net-device.cc
+  HEADER_FILES
+    helper/sixlowpan-helper.h
+    model/sixlowpan-header.h
+    model/sixlowpan-net-device.h
+  LIBRARIES_TO_LINK
+    ${libinternet}
+    ${libinternet}
+    ${libcore}
+  TEST_SOURCES
+    ${example_as_test_suite}
+    test/mock-net-device.cc
+    test/sixlowpan-fragmentation-test.cc
+    test/sixlowpan-hc1-test.cc
+    test/sixlowpan-iphc-stateful-test.cc
+    test/sixlowpan-iphc-test.cc
 )

src/sixlowpan/examples/CMakeLists.txt

@@ -1,39 +1,44 @@
-set(name example-sixlowpan)
-set(source_files ${name}.cc)
-set(header_files)
-set(libraries_to_link ${libnetwork} ${libsixlowpan} ${libinternet} ${libcsma}
-                      ${libinternet-apps}
-)
 build_lib_example(
-  "${name}" "${source_files}" "${header_files}" "${libraries_to_link}"
+  NAME example-sixlowpan
+  SOURCE_FILES example-sixlowpan.cc
+  LIBRARIES_TO_LINK
+    ${libnetwork}
+    ${libsixlowpan}
+    ${libinternet}
+    ${libcsma}
+    ${libinternet-apps}
 )
 
-set(name example-ping-lr-wpan)
-set(source_files ${name}.cc)
-set(header_files)
-set(libraries_to_link ${libnetwork} ${libsixlowpan} ${libinternet}
-                      ${liblr-wpan} ${libinternet-apps}
-)
 build_lib_example(
-  "${name}" "${source_files}" "${header_files}" "${libraries_to_link}"
+  NAME example-ping-lr-wpan
+  SOURCE_FILES example-ping-lr-wpan.cc
+  LIBRARIES_TO_LINK
+    ${libnetwork}
+    ${libsixlowpan}
+    ${libinternet}
+    ${liblr-wpan}
+    ${libinternet-apps}
 )
 
-set(name example-ping-lr-wpan-beacon)
-set(source_files ${name}.cc)
-set(header_files)
-set(libraries_to_link ${libnetwork} ${libsixlowpan} ${libinternet}
-                      ${liblr-wpan} ${libinternet-apps}
-)
 build_lib_example(
-  "${name}" "${source_files}" "${header_files}" "${libraries_to_link}"
+  NAME example-ping-lr-wpan-beacon
+  SOURCE_FILES example-ping-lr-wpan-beacon.cc
+  LIBRARIES_TO_LINK
+    ${libnetwork}
+    ${libsixlowpan}
+    ${libinternet}
+    ${liblr-wpan}
+    ${libinternet-apps}
 )
 
-set(name example-ping-lr-wpan-mesh-under)
-set(source_files ${name}.cc)
-set(header_files)
-set(libraries_to_link ${libnetwork} ${libsixlowpan} ${libinternet}
-                      ${liblr-wpan} ${libinternet-apps} ${libcsma}
-)
 build_lib_example(
-  "${name}" "${source_files}" "${header_files}" "${libraries_to_link}"
+  NAME example-ping-lr-wpan-mesh-under
+  SOURCE_FILES example-ping-lr-wpan-mesh-under.cc
+  LIBRARIES_TO_LINK
+    ${libnetwork}
+    ${libsixlowpan}
+    ${libinternet}
+    ${liblr-wpan}
+    ${libinternet-apps}
+    ${libcsma}
 )