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-rw-r--r--Modules/FindPython/Support.cmake50
1 files changed, 49 insertions, 1 deletions
diff --git a/Modules/FindPython/Support.cmake b/Modules/FindPython/Support.cmake
index b67d563b5c..0d6d2fca16 100644
--- a/Modules/FindPython/Support.cmake
+++ b/Modules/FindPython/Support.cmake
@@ -409,6 +409,7 @@ function (_PYTHON_VALIDATE_INTERPRETER)
if (_PVI_CHECK_EXISTS AND NOT EXISTS "${_${_PYTHON_PREFIX}_EXECUTABLE}")
# interpreter does not exist anymore
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Cannot find the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
set_property (CACHE _${_PYTHON_PREFIX}_EXECUTABLE PROPERTY VALUE "_${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND")
return()
endif()
@@ -427,6 +428,7 @@ function (_PYTHON_VALIDATE_INTERPRETER)
endif()
if (NOT abi IN_LIST _${_PYTHON_PREFIX}_ABIFLAGS)
# incompatible ABI
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Wrong ABI for the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
set_property (CACHE _${_PYTHON_PREFIX}_EXECUTABLE PROPERTY VALUE "_${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND")
return()
endif()
@@ -444,6 +446,11 @@ function (_PYTHON_VALIDATE_INTERPRETER)
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (result OR (_PVI_EXACT AND NOT version VERSION_EQUAL expected_version) OR (version VERSION_LESS expected_version))
# interpreter not usable or has wrong major version
+ if (result)
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Cannot use the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
+ else()
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Wrong major version for the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
+ endif()
set_property (CACHE _${_PYTHON_PREFIX}_EXECUTABLE PROPERTY VALUE "_${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND")
return()
endif()
@@ -459,6 +466,11 @@ function (_PYTHON_VALIDATE_INTERPRETER)
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (result OR NOT version EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
# interpreter not usable or has wrong major version
+ if (result)
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Cannot use the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
+ else()
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Wrong major version for the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
+ endif()
set_property (CACHE _${_PYTHON_PREFIX}_EXECUTABLE PROPERTY VALUE "_${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND")
return()
endif()
@@ -476,6 +488,11 @@ function (_PYTHON_VALIDATE_INTERPRETER)
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (result OR NOT size EQUAL CMAKE_SIZEOF_VOID_P)
# interpreter not usable or has wrong architecture
+ if (result)
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Cannot use the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
+ else()
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Wrong architecture for the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
+ endif()
set_property (CACHE _${_PYTHON_PREFIX}_EXECUTABLE PROPERTY VALUE "_${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND")
return()
endif()
@@ -500,6 +517,7 @@ function (_PYTHON_VALIDATE_COMPILER expected_version)
if (_PVC_CHECK_EXISTS AND NOT EXISTS "${_${_PYTHON_PREFIX}_COMPILER}")
# Compiler does not exist anymore
+ set (_${_PYTHON_PREFIX}_Compiler_REASON_FAILURE "Cannot find the compiler \"${_${_PYTHON_PREFIX}_COMPILER}\"")
set_property (CACHE _${_PYTHON_PREFIX}_COMPILER PROPERTY VALUE "_${_PYTHON_PREFIX}_COMPILER-NOTFOUND")
return()
endif()
@@ -526,6 +544,11 @@ function (_PYTHON_VALIDATE_COMPILER expected_version)
if (result OR (_PVC_EXACT AND NOT version VERSION_EQUAL expected_version) OR (version VERSION_LESS expected_version))
# Compiler not usable or has wrong version
+ if (result)
+ set (_${_PYTHON_PREFIX}_Compiler_REASON_FAILURE "Cannot use the compiler \"${_${_PYTHON_PREFIX}_COMPILER}\"")
+ else()
+ set (_${_PYTHON_PREFIX}_Compiler_REASON_FAILURE "Wrong version for the compiler \"${_${_PYTHON_PREFIX}_COMPILER}\"")
+ endif()
set_property (CACHE _${_PYTHON_PREFIX}_COMPILER PROPERTY VALUE "_${_PYTHON_PREFIX}_COMPILER-NOTFOUND")
endif()
endfunction()
@@ -545,6 +568,7 @@ function (_PYTHON_VALIDATE_LIBRARY)
if (_PVL_CHECK_EXISTS AND NOT EXISTS "${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}")
# library does not exist anymore
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Cannot find the library \"${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}\"")
set_property (CACHE _${_PYTHON_PREFIX}_LIBRARY_RELEASE PROPERTY VALUE "_${_PYTHON_PREFIX}_LIBRARY_RELEASE-NOTFOUND")
if (WIN32)
set_property (CACHE _${_PYTHON_PREFIX}_LIBRARY_DEBUG PROPERTY VALUE "_${_PYTHON_PREFIX}_LIBRARY_DEBUG-NOTFOUND")
@@ -558,16 +582,19 @@ function (_PYTHON_VALIDATE_LIBRARY)
if (DEFINED _${_PYTHON_PREFIX}_FIND_ABI AND NOT lib_ABI IN_LIST _${_PYTHON_PREFIX}_ABIFLAGS)
# incompatible ABI
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Wrong ABI for the library \"${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}\"")
set_property (CACHE _${_PYTHON_PREFIX}_LIBRARY_RELEASE PROPERTY VALUE "_${_PYTHON_PREFIX}_LIBRARY_RELEASE-NOTFOUND")
else()
if (expected_version)
if ((_PVL_EXACT AND NOT lib_VERSION VERSION_EQUAL expected_version) OR (lib_VERSION VERSION_LESS expected_version))
# library has wrong version
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Wrong version for the library \"${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}\"")
set_property (CACHE _${_PYTHON_PREFIX}_LIBRARY_RELEASE PROPERTY VALUE "_${_PYTHON_PREFIX}_LIBRARY_RELEASE-NOTFOUND")
endif()
else()
if (NOT lib_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
# library has wrong major version
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Wrong major version for the library \"${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}\"")
set_property (CACHE _${_PYTHON_PREFIX}_LIBRARY_RELEASE PROPERTY VALUE "_${_PYTHON_PREFIX}_LIBRARY_RELEASE-NOTFOUND")
endif()
endif()
@@ -596,6 +623,7 @@ function (_PYTHON_VALIDATE_INCLUDE_DIR)
if (_PVID_CHECK_EXISTS AND NOT EXISTS "${_${_PYTHON_PREFIX}_INCLUDE_DIR}")
# include file does not exist anymore
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Cannot find the directory \"${_${_PYTHON_PREFIX}_INCLUDE_DIR}\"")
set_property (CACHE _${_PYTHON_PREFIX}_INCLUDE_DIR PROPERTY VALUE "_${_PYTHON_PREFIX}_INCLUDE_DIR-NOTFOUND")
return()
endif()
@@ -605,16 +633,19 @@ function (_PYTHON_VALIDATE_INCLUDE_DIR)
if (DEFINED _${_PYTHON_PREFIX}_FIND_ABI AND NOT inc_ABI IN_LIST _${_PYTHON_PREFIX}_ABIFLAGS)
# incompatible ABI
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Wrong ABI for the directory \"${_${_PYTHON_PREFIX}_INCLUDE_DIR}\"")
set_property (CACHE _${_PYTHON_PREFIX}_INCLUDE_DIR PROPERTY VALUE "_${_PYTHON_PREFIX}_INCLUDE_DIR-NOTFOUND")
else()
if (expected_version)
if ((_PVID_EXACT AND NOT inc_VERSION VERSION_EQUAL expected_version) OR (inc_VERSION VERSION_LESS expected_version))
# include dir has wrong version
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Wrong version for the directory \"${_${_PYTHON_PREFIX}_INCLUDE_DIR}\"")
set_property (CACHE _${_PYTHON_PREFIX}_INCLUDE_DIR PROPERTY VALUE "_${_PYTHON_PREFIX}_INCLUDE_DIR-NOTFOUND")
endif()
else()
if (NOT inc_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
# include dir has wrong major version
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Wrong major version for the directory \"${_${_PYTHON_PREFIX}_INCLUDE_DIR}\"")
set_property (CACHE _${_PYTHON_PREFIX}_INCLUDE_DIR PROPERTY VALUE "_${_PYTHON_PREFIX}_INCLUDE_DIR-NOTFOUND")
endif()
endif()
@@ -836,6 +867,10 @@ endif()
unset (_${_PYTHON_PREFIX}_REQUIRED_VARS)
unset (_${_PYTHON_PREFIX}_CACHED_VARS)
+unset (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE)
+unset (_${_PYTHON_PREFIX}_Compiler_REASON_FAILURE)
+unset (_${_PYTHON_PREFIX}_Development_REASON_FAILURE)
+unset (_${_PYTHON_PREFIX}_NumPy_REASON_FAILURE)
# first step, search for the interpreter
@@ -1161,6 +1196,7 @@ if ("Interpreter" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
# Interpreter is not usable
set (_${_PYTHON_PREFIX}_EXECUTABLE_USABLE FALSE)
unset (${_PYTHON_PREFIX}_VERSION)
+ set (_${_PYTHON_PREFIX}_Interpreter_REASON_FAILURE "Cannot run the interpreter \"${_${_PYTHON_PREFIX}_EXECUTABLE}\"")
endif()
endif()
@@ -1416,6 +1452,7 @@ if ("Compiler" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
else()
# compiler not usable
set (_${_PYTHON_PREFIX}_COMPILER_USABLE FALSE)
+ set (_${_PYTHON_PREFIX}_Compiler_REASON_FAILURE "Cannot run the compiler \"${_${_PYTHON_PREFIX}_COMPILER}\"")
endif()
file (REMOVE_RECURSE "${_${_PYTHON_PREFIX}_VERSION_DIR}")
endif()
@@ -1914,6 +1951,7 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
set (${_PYTHON_PREFIX}_LIBRARY_RELEASE "${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}" CACHE FILEPATH "Path to a library." FORCE)
if (_${_PYTHON_PREFIX}_LIBRARY_RELEASE AND NOT EXISTS "${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}")
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Cannot find the library \"${_${_PYTHON_PREFIX}_LIBRARY_RELEASE}\"")
set_property (CACHE _${_PYTHON_PREFIX}_LIBRARY_RELEASE PROPERTY VALUE "_${_PYTHON_PREFIX}_LIBRARY_RELEASE-NOTFOUND")
endif()
@@ -2046,6 +2084,7 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
set (${_PYTHON_PREFIX}_INCLUDE_DIRS "${_${_PYTHON_PREFIX}_INCLUDE_DIR}")
if (_${_PYTHON_PREFIX}_INCLUDE_DIR AND NOT EXISTS "${_${_PYTHON_PREFIX}_INCLUDE_DIR}")
+ set (_${_PYTHON_PREFIX}_Development_REASON_FAILURE "Cannot find the directory \"${_${_PYTHON_PREFIX}_INCLUDE_DIR}\"")
set_property (CACHE _${_PYTHON_PREFIX}_INCLUDE_DIR PROPERTY VALUE "_${_PYTHON_PREFIX}_INCLUDE_DIR-NOTFOUND")
endif()
@@ -2169,6 +2208,7 @@ if ("NumPy" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS AND ${_PYTHON_PREFIX}_Inte
set (${_PYTHON_PREFIX}_NumPy_INCLUDE_DIRS "${_${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR}")
if(_${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR AND NOT EXISTS "${_${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR}")
+ set (_${_PYTHON_PREFIX}_NumPy_REASON_FAILURE "Cannot find the directory \"${_${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR}\"")
set_property (CACHE _${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR PROPERTY VALUE "_${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR-NOTFOUND")
endif()
@@ -2207,11 +2247,19 @@ if (${_PYTHON_PREFIX}_VERSION_MAJOR AND
_python_display_failure ("Could NOT find ${_PYTHON_PREFIX}: Found unsuitable major version \"${${_PYTHON_PREFIX}_VERSION_MAJOR}\", but required major version is exact version \"${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}\"")
endif()
+unset (_${_PYTHON_PREFIX}_REASON_FAILURE)
+foreach (_${_PYTHON_PREFIX}_COMPONENT IN ITEMS Interpreter Compiler Development NumPy)
+ if (_${_PYTHON_PREFIX}_${_${_PYTHON_PREFIX}_COMPONENT}_REASON_FAILURE)
+ string (APPEND _${_PYTHON_PREFIX}_REASON_FAILURE "\n ${_${_PYTHON_PREFIX}_COMPONENT}: ${_${_PYTHON_PREFIX}_${_${_PYTHON_PREFIX}_COMPONENT}_REASON_FAILURE}")
+ endif()
+endforeach()
+
include (${CMAKE_CURRENT_LIST_DIR}/../FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args (${_PYTHON_PREFIX}
REQUIRED_VARS ${_${_PYTHON_PREFIX}_REQUIRED_VARS}
VERSION_VAR ${_PYTHON_PREFIX}_VERSION
- HANDLE_COMPONENTS)
+ HANDLE_COMPONENTS
+ REASON_FAILURE_MESSAGE "${_${_PYTHON_PREFIX}_REASON_FAILURE}")
# Create imported targets and helper functions
if(_${_PYTHON_PREFIX}_CMAKE_ROLE STREQUAL "PROJECT")
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