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FindPython: Introduce NumPy component

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Fixes: #18678
Signed-off-by: Hiroshi Miura <miurahr@linux.com>
This commit is contained in:
Hiroshi Miura
2019-01-25 01:26:48 +09:00
parent 1d02491950
commit 513e77550d
10 changed files with 268 additions and 70 deletions
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Modules/FindPython/Support.cmake
+47
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@@ -209,6 +209,10 @@ if (NOT ${_PYTHON_PREFIX}_FIND_COMPONENTS)
set (${_PYTHON_PREFIX}_FIND_COMPONENTS Interpreter)
set (${_PYTHON_PREFIX}_FIND_REQUIRED_Interpreter TRUE)
endif()
if ("NumPy" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
list (APPEND ${_PYTHON_PREFIX}_FIND_COMPONENTS "Interpreter" "Development")
list (REMOVE_DUPLICATES ${_PYTHON_PREFIX}_FIND_COMPONENTS)
endif()
foreach (_${_PYTHON_PREFIX}_COMPONENT IN LISTS ${_PYTHON_PREFIX}_FIND_COMPONENTS)
set (${_PYTHON_PREFIX}_${_${_PYTHON_PREFIX}_COMPONENT}_FOUND FALSE)
endforeach()
@@ -1122,6 +1126,41 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
endif()
endif()
if ("NumPy" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS AND ${_PYTHON_PREFIX}_Interpreter_FOUND)
if (${_PYTHON_PREFIX}_FIND_REQUIRED_NumPy)
list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR)
list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR)
endif()
execute_process(
COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
"from __future__ import print_function\ntry: import numpy; print(numpy.get_include(), end='')\nexcept:pass\n"
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE _${_PYTHON_PREFIX}_NumPy_PATH
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (NOT _${_PYTHON_PREFIX}_RESULT)
find_path(${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR
NAMES arrayobject.h numpyconfig.h
HINTS "${_${_PYTHON_PREFIX}_NumPy_PATH}"
PATH_SUFFIXES numpy
NO_DEFAULT_PATH)
endif()
if(${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR)
set(${_PYTHON_PREFIX}_NumPy_INCLUDE_DIRS "${${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR}")
set(${_PYTHON_PREFIX}_NumPy_FOUND TRUE)
endif()
if(${_PYTHON_PREFIX}_NumPy_FOUND)
execute_process(
COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
"from __future__ import print_function\ntry: import numpy; print(numpy.__version__, end='')\nexcept:pass\n"
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE _${_PYTHON_PREFIX}_NumPy_VERSION)
if (NOT _${_PYTHON_PREFIX}_RESULT)
set(${_PYTHON_PREFIX}_NumPy_VERSION "${_${_PYTHON_PREFIX}_NumPy_VERSION}")
endif()
endif()
endif()
# final validation
if (${_PYTHON_PREFIX}_VERSION_MAJOR AND
NOT ${_PYTHON_PREFIX}_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
@@ -1249,6 +1288,14 @@ if(_${_PYTHON_PREFIX}_CMAKE_ROLE STREQUAL "PROJECT")
endif()
endfunction()
endif()
if ("NumPy" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS AND ${_PYTHON_PREFIX}_NumPy_FOUND
AND NOT TARGET ${_PYTHON_PREFIX}::NumPy AND TARGET ${_PYTHON_PREFIX}::Python)
add_library (${_PYTHON_PREFIX}::NumPy INTERFACE IMPORTED)
set_property (TARGET ${_PYTHON_PREFIX}::NumPy
PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR}")
target_link_libraries (${_PYTHON_PREFIX}::NumPy INTERFACE ${_PYTHON_PREFIX}::Python)
endif()
endif()
# final clean-up