From b46f10a11fbb5a8426c28e9113fff57cb7405958 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom.hughes@palm.com>
Date: Wed, 24 Nov 2010 00:34:50 -0600
Subject: [PATCH] cmake: Add coverage support.

---
 CMakeLists.txt        | 22 ++++++++++++++++++++--
 Makefile.cmake        |  5 ++++-
 README.cmake          |  4 ++++
 cmake/configure.cmake |  9 ++++-----
 4 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 88feea7ef3..0ec17a115b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,20 @@
 cmake_minimum_required(VERSION 2.6)
 project(node)
 
+if(USE_GCOV)
+  set(CMAKE_BUILD_TYPE "Debug")
+
+  # Set global c and c++ flags
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
+
+  # Link flags used for creating executables
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lgcov -fprofile-arcs")
+
+  # Link flags used for creating shared libraries
+  set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lgcov -profile-arcs")
+endif()
+
 #
 # options
 #
@@ -72,5 +86,9 @@ if(${OPENSSL_FOUND} MATCHES TRUE)
   message("  OpenSSL:            ${OPENSSL_LIBRARIES}")
 endif()
 
-# message("  CCFLAGS:            ${CCFLAGS}")
-# message("  CPPFLAGS:           ${CPPFLAGS}")
+if(USE_GCOV)
+  message("  gcov:               enabled")
+endif()
+
+message("  CCFLAGS:            ${CCFLAGS}")
+message("  CPPFLAGS:           ${CPPFLAGS}")
diff --git a/Makefile.cmake b/Makefile.cmake
index d2a357756c..ce34f8f8ec 100644
--- a/Makefile.cmake
+++ b/Makefile.cmake
@@ -30,4 +30,7 @@ test: $(BUILD)/Makefile
 cdash: $(BUILD)/Makefile
 	cd $(BUILD) && make Experimental
 
-.PHONY: build install clean doc package test cdash
+cdash-cov: $(BUILD)/Makefile
+	cd $(BUILD) && $(CMAKE) -DUSE_GCOV=True .. && make Experimental
+
+.PHONY: build install clean doc package test cdash cdash-cov
diff --git a/README.cmake b/README.cmake
index 5267baab9c..4c3d732a8a 100644
--- a/README.cmake
+++ b/README.cmake
@@ -30,6 +30,10 @@ To submit test results (see http://my.cdash.org/index.php?project=node):
 
   make -f Makefile.cmake cdash
 
+To submit coverage test results:
+
+  make -f Makefile.cmake cdash-cov
+
 Using cmake directly:
   cd ~/your-node-source-dir
   mkdir name-of-build-dir     (can be anything)
diff --git a/cmake/configure.cmake b/cmake/configure.cmake
index 2a4cf10d9a..eef89c5fdc 100644
--- a/cmake/configure.cmake
+++ b/cmake/configure.cmake
@@ -38,17 +38,16 @@ set(CMAKE_C_FLAGS_RELEASE "-g -O3 -DNDEBUG $ENV{CFLAGS}")
 set(CMAKE_CXX_FLAGS_RELEASE "-g -O3 -DNDEBUG $ENV{CXXFLAGS}")
 
 if(${node_platform} MATCHES sunos)
-  # shouldn't this be added to CMAE_C_FLAGS or something?
   add_definitions(-threads)
 elseif(NOT ${node_platform} MATCHES cygwin*)
-  # shouldn't this be added to CMAE_C_FLAGS or something?
   add_definitions(-pthread)
-  set(CMAKE_C_FLAGS -rdynamic)
-  set(CMAKE_EXE_LINKER_FLAGS -pthread)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -rdynamic")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -rdynamic")
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pthread")
 endif()
 
 if(${node_platform} MATCHES darwin)
-  set(CMAKE_EXE_LINKER_FLAGS "-framework Carbon")
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework Carbon")
 endif()
 
 check_function_exists(fdatasync HAVE_FDATASYNC)