FreeCAD/cMake/FindPyCXX.cmake
2013-07-15 12:02:04 +02:00

109 lines
3.4 KiB
CMake

# Locate PyCXX headers and source files
# This module defines
# PYCXX_INCLUDE_DIR
# PYCXX_SOURCE_DIR
# PYCXX_FOUND
# PYCXX_SOURCES
#
# The PYCXX_*_DIR variables can be set to tell this module where
# the files are.
# There's no standard location for PyCXX.
#
# The authors' example is to put it in "~\" [sic].
#
# Ubuntu puts the includes into /usr/include/python2.7/CXX and sources into
# /usr/share/python2.7/CXX.
#
# The Zultron Fedora RPM does the same as Ubuntu.
set(PYCXX_FOUND "YES")
# find the header directory
if(PYCXX_INCLUDE_DIR)
# headers better be in there
if(NOT EXISTS "${PYCXX_INCLUDE_DIR}/CXX/Config.hxx")
if(PyCXX_FIND_REQUIRED)
MESSAGE(FATAL_ERROR
"PyCXX: could not find CXX/Config.hxx in PYCXX_INCLUDE_DIR "
"${PYCXX_INCLUDE_DIR}")
else(PyCXX_FIND_REQUIRED)
MESSAGE(WARNING
"PyCXX: could not find CXX/Config.hxx in PYCXX_INCLUDE_DIR "
"${PYCXX_INCLUDE_DIR}")
unset(PYCXX_FOUND)
endif(PyCXX_FIND_REQUIRED)
endif(NOT EXISTS "${PYCXX_INCLUDE_DIR}/CXX/Config.hxx")
else(PYCXX_INCLUDE_DIR)
# check in 'standard' places
find_path(PYCXX_INCLUDE_DIR CXX/Config.hxx
${PYTHON_INCLUDE_DIR}
"${CMAKE_CURRENT_LIST_DIR}/..")
if(NOT PYCXX_INCLUDE_DIR)
if(PyCXX_FIND_REQUIRED)
MESSAGE(FATAL_ERROR
"PyCXX not found; please set PYCXX_INCLUDE_DIR to "
"the location of CXX/Config.hxx")
else(PyCXX_FIND_REQUIRED)
MESSAGE(STATUS "PyCXX not found")
unset(PYCXX_FOUND)
endif(PyCXX_FIND_REQUIRED)
endif(NOT PYCXX_INCLUDE_DIR)
endif(PYCXX_INCLUDE_DIR)
# find the sources directory
if(PYCXX_SOURCE_DIR)
# source directory specified, they'd better be there
if(NOT EXISTS "${PYCXX_SOURCE_DIR}/cxxextensions.c")
if(PyCXX_FIND_REQUIRED)
MESSAGE(FATAL_ERROR
"PyCXX: cxxextensions.c not found in PYCXX_INCLUDE_DIR "
"${PYCXX_INCLUDE_DIR}")
else(PyCXX_FIND_REQUIRED)
MESSAGE(WARNING
"PyCXX: cxxextensions.c not found in PYCXX_INCLUDE_DIR "
"${PYCXX_INCLUDE_DIR}")
unset(PYCXX_FOUND)
endif(PyCXX_FIND_REQUIRED)
endif(NOT EXISTS "${PYCXX_SOURCE_DIR}/cxxextensions.c")
else(PYCXX_SOURCE_DIR)
# check in 'standard' places
find_path(PYCXX_SOURCE_DIR cxxextensions.c
"${PYCXX_INCLUDE_DIR}/CXX"
"${PYCXX_INCLUDE_DIR}/Src"
"${PYTHON_INCLUDE_DIR}/CXX"
"${PYTHON_INCLUDE_DIR}/Src"
"${CMAKE_CURRENT_LIST_DIR}/../Src"
"${CMAKE_CURRENT_LIST_DIR}/../CXX")
if(NOT PYCXX_SOURCE_DIR)
if(PyCXX_FIND_REQUIRED)
MESSAGE(FATAL_ERROR
"PyCXX not found; please set PYCXX_SOURCE_DIR to "
"the location of cxxextensions.c")
else(PyCXX_FIND_REQUIRED)
MESSAGE(STATUS "PyCXX not found")
unset(PYCXX_FOUND)
endif(PyCXX_FIND_REQUIRED)
endif(NOT PYCXX_SOURCE_DIR)
endif(PYCXX_SOURCE_DIR)
# see what we've got
if(PYCXX_FOUND)
MESSAGE(STATUS "PyCXX found:")
MESSAGE(STATUS " Headers: ${PYCXX_INCLUDE_DIR}")
MESSAGE(STATUS " Sources: ${PYCXX_SOURCE_DIR}")
# Build the list of sources for convenience
set(PYCXX_SOURCES
${PYCXX_SOURCE_DIR}/cxxextensions.c
${PYCXX_SOURCE_DIR}/cxx_extensions.cxx
${PYCXX_SOURCE_DIR}/cxxsupport.cxx
${PYCXX_SOURCE_DIR}/IndirectPythonInterface.cxx
)
else(PYCXX_FOUND)
MESSAGE(STATUS "PyCXX not found")
endif(PYCXX_FOUND)