[mlpack-git] master: Merge pull request #720 from sumedhghaisas/coverage (82cf865)

[gitdub at mlpack.org]

Repository : https://github.com/mlpack/mlpack
On branch  : master
Link       : https://github.com/mlpack/mlpack/compare/57a24a9d9fbdb4687ea0e0fef85bc2a133420dcc...82cf86500e8ad98b32db9fd9cceca4a844f4bb19

>---------------------------------------------------------------

commit 82cf86500e8ad98b32db9fd9cceca4a844f4bb19
Merge: 57a24a9 8cc01d5
Author: Ryan Curtin <ryan at ratml.org>
Date:   Thu Jul 21 09:59:11 2016 -0400

    Merge pull request #720 from sumedhghaisas/coverage
    
    Added test coverage framework


>---------------------------------------------------------------

82cf86500e8ad98b32db9fd9cceca4a844f4bb19
 CMake/mlpack_coverage.in  | 125 ++++++++++++++++++++++++++++++++++++++++++++++
 CMakeLists.txt            |  35 ++++++++++++-
 src/mlpack/CMakeLists.txt |   2 +
 3 files changed, 160 insertions(+), 2 deletions(-)

diff --cc CMakeLists.txt
index 2004a12,b54696a..e793998
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@@ -74,14 -74,42 +74,45 @@@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL 
    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -lm")
  endif()
  
+ set(COMPILER_SUPPORT_LIBRARIES "")
+ 
+ # Setup build for test coverage
+ if(BUILD_WITH_COVERAGE)
+   # Currently coverage only works with GNU g++
+   if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+     # Find gcov and lcov
+     find_program(GCOV gcov)
+     find_program(LCOV lcov)
+ 
+     if(NOT GCOV)
+       message(FATAL_ERROR "gcov not found! Aborting...")
+     endif()
+ 
+     set(COMPILER_SUPPORT_LIBRARIES "supc++")
+     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage -fno-inline -fno-inline-small-functions -fno-default-inline -fprofile-arcs -fkeep-inline-functions")
+     message(WARNING "Adding debug options for coverage")
+     # Remove optimizations for better line coverage
+     set(DEBUG ON)
+ 
+     if(LCOV)
+       configure_file(CMake/mlpack_coverage.in mlpack_coverage @ONLY)
+       add_custom_target(mlpack_coverage DEPENDS mlpack_test COMMAND ${PROJECT_BINARY_DIR}/mlpack_coverage)
+     else()
+       message(WARNING "'lcov' not found, local coverage report is disabled. Install 'lcov' and rerun cmake to generate local coverage report.")
+     endif()
+   else()
+     message(FATAL_ERROR "Coverage will only work with GNU environment.")
+   endif()
+ endif()
+ 
  # Debugging CFLAGS.  Turn optimizations off; turn debugging symbols on.
  if(DEBUG)
 -  add_definitions(-DDEBUG)
 -  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 -ftemplate-backtrace-limit=0")
 -  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -g -O0")
 +  if (NOT MSVC)
 +    add_definitions(-DDEBUG)
 +    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 -ftemplate-backtrace-limit=0")
 +    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -g -O0")
 +  endif ()
 +
    # mlpack uses it's own mlpack::backtrace class based on Binary File Descriptor
    # <bfd.h> and linux Dynamic Loader <libdl.h> and more portable version in future
    if(CMAKE_SYSTEM_NAME STREQUAL "Linux")