conda: osx configuration

CMakeLists.txt

@@ -199,6 +199,7 @@ OPTION(FREECAD_USE_EXTERNAL_SMESH "Use system installed smesh instead of the bun
 OPTION(FREECAD_USE_EXTERNAL_KDL "Use system installed orocos-kdl instead of the bundled." OFF)
 OPTION(FREECAD_USE_FREETYPE "Builds the features using FreeType libs" ON)
 OPTION(FREECAD_BUILD_DEBIAN "Prepare for a build of a Debian package" OFF)
+OPTION(BUILD_WITH_CONDA "Set ON if you build freecad with conda" OFF)
 if (WIN32 OR APPLE)
     OPTION(FREECAD_USE_QT_FILEDIALOG "Use Qt's file dialog instead of the native one." OFF)
 else()
@@ -449,7 +450,7 @@ if(NOT FREECAD_LIBPACK_USE OR FREECAD_LIBPACK_CHECKFILE_CLBUNDLER)
 set(Python_ADDITIONAL_VERSIONS "2.7")
 
 # For building on OS X
-if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin" AND NOT BUILD_WITH_CONDA)
 
     # If the user doesn't tell us which package manager they're using
     if(NOT DEFINED MACPORTS_PREFIX AND NOT DEFINED HOMEBREW_PREFIX)
@@ -559,7 +560,7 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     endif(NOT DEFINED PYTHON_LIBRARY)
 
 
-endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin" AND NOT BUILD_WITH_CONDA)
 
     find_package(PythonInterp REQUIRED)
     set(Python_ADDITIONAL_VERSIONS ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR})