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modules: update FindCorrade.cmake.

pull/234/head
Vladimír Vondruš 6 years ago
parent
6a0fdf2194
commit
b5b2a8eec8
1 changed files with 78 additions and 52 deletions
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  1. 130
      modules/FindCorrade.cmake

130
modules/FindCorrade.cmake
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@ -123,15 +123,10 @@
# CORRADE_PEDANTIC_COMPILER_DEFINITIONS - List of pedantic compiler
# definitions used for targets with :prop_tgt:`CORRADE_USE_PEDANTIC_FLAGS`
# enabled
#
# Workflows without :prop_tgt:`IMPORTED` targets are deprecated and the
# following variables are included just for backwards compatibility and only if
# :variable:`CORRADE_BUILD_DEPRECATED` is enabled:
#
# CORRADE_CXX_FLAGS - Pedantic compile flags. Use
# :prop_tgt:`CORRADE_USE_PEDANTIC_FLAGS` property or
# :variable:`CORRADE_PEDANTIC_COMPILER_DEFINITIONS` /
# :variable:`CORRADE_PEDANTIC_COMPILER_OPTIONS` list variables instead.
# CORRADE_CXX{11,14,17,20}_STANDARD_FLAG - Compiler flag to use for targeting
# C++11, 14, 17 or 20 in cases where it's not possible to use
# :prop_tgt:`CORRADE_CXX_STANDARD`. Not defined if a standard switch is
# already present in :variable:`CMAKE_CXX_FLAGS`.
#
# Corrade provides these macros and functions:
#
@ -355,40 +350,47 @@ mark_as_advanced(_CORRADE_MODULE_DIR)
set(CORRADE_USE_MODULE ${_CORRADE_MODULE_DIR}/UseCorrade.cmake)
set(CORRADE_LIB_SUFFIX_MODULE ${_CORRADE_MODULE_DIR}/CorradeLibSuffix.cmake)
# Component distinction (listing them explicitly to avoid mistakes with finding
# unknown components)
set(_CORRADE_LIBRARY_COMPONENTS
Containers Interconnect Main PluginManager TestSuite Utility)
set(_CORRADE_HEADER_ONLY_COMPONENTS Containers)
if(NOT CORRADE_TARGET_WINDOWS)
# CorradeMain is a real library only on windows, a dummy target elsewhere
list(APPEND _CORRADE_HEADER_ONLY_COMPONENTS Main)
endif()
set(_CORRADE_EXECUTABLE_COMPONENTS rc)
# Currently everything is enabled implicitly. Keep in sync with Corrade's root
# CMakeLists.txt.
set(_CORRADE_IMPLICITLY_ENABLED_COMPONENTS
Containers Interconnect Main PluginManager TestSuite Utility rc)
# Inter-component dependencies
set(_CORRADE_Containers_DEPENDENCIES Utility)
set(_CORRADE_Interconnect_DEPENDENCIES Utility)
set(_CORRADE_PluginManager_DEPENDENCIES Containers Utility rc)
set(_CORRADE_TestSuite_DEPENDENCIES Utility Main) # see below
set(_CORRADE_Utility_DEPENDENCIES Containers rc)
# Ensure that all inter-component dependencies are specified as well
foreach(_component ${Corrade_FIND_COMPONENTS})
string(TOUPPER ${_component} _COMPONENT)
if(_component STREQUAL Containers)
set(_CORRADE_${_COMPONENT}_DEPENDENCIES Utility)
elseif(_component STREQUAL Interconnect)
set(_CORRADE_${_COMPONENT}_DEPENDENCIES Utility)
elseif(_component STREQUAL PluginManager)
set(_CORRADE_${_COMPONENT}_DEPENDENCIES Containers Utility rc)
elseif(_component STREQUAL TestSuite)
set(_CORRADE_${_COMPONENT}_DEPENDENCIES Utility Main) # see below
elseif(_component STREQUAL Utility)
set(_CORRADE_${_COMPONENT}_DEPENDENCIES Containers rc)
endif()
# Mark the dependencies as required if the component is also required
if(Corrade_FIND_REQUIRED_${_component})
foreach(_dependency ${_CORRADE_${_COMPONENT}_DEPENDENCIES})
foreach(_dependency ${_CORRADE_${_component}_DEPENDENCIES})
set(Corrade_FIND_REQUIRED_${_dependency} TRUE)
endforeach()
endif()
list(APPEND _CORRADE_ADDITIONAL_COMPONENTS ${_CORRADE_${_COMPONENT}_DEPENDENCIES})
# Main is linked only in corrade_add_test(), not to everything that depends
# on TestSuite, so remove it from the list again once we filled the above
# variables
if(_component STREQUAL TestSuite)
set(_CORRADE_${_COMPONENT}_DEPENDENCIES Utility)
endif()
list(APPEND _CORRADE_ADDITIONAL_COMPONENTS ${_CORRADE_${_component}_DEPENDENCIES})
endforeach()
# Main is linked only in corrade_add_test(), not to everything that depends on
# TestSuite, so remove it from the list again once we filled the above
# variables
set(_CORRADE_TestSuite_DEPENDENCIES Utility)
# Join the lists, remove duplicate components
set(_CORRADE_ORIGINAL_FIND_COMPONENTS ${Corrade_FIND_COMPONENTS})
if(_CORRADE_ADDITIONAL_COMPONENTS)
list(INSERT Corrade_FIND_COMPONENTS 0 ${_CORRADE_ADDITIONAL_COMPONENTS})
endif()
@ -396,16 +398,6 @@ if(Corrade_FIND_COMPONENTS)
list(REMOVE_DUPLICATES Corrade_FIND_COMPONENTS)
endif()
# Component distinction
set(_CORRADE_LIBRARY_COMPONENTS "^(Containers|Interconnect|Main|PluginManager|TestSuite|Utility)$")
if(CORRADE_TARGET_WINDOWS)
# CorradeMain is a real library only on windows, a dummy target elsewhere
set(_CORRADE_HEADER_ONLY_COMPONENTS "^(Containers)$")
else()
set(_CORRADE_HEADER_ONLY_COMPONENTS "^(Containers|Main)$")
endif()
set(_CORRADE_EXECUTABLE_COMPONENTS "^(rc)$")
# Find all components
foreach(_component ${Corrade_FIND_COMPONENTS})
string(TOUPPER ${_component} _COMPONENT)
@ -417,7 +409,7 @@ foreach(_component ${Corrade_FIND_COMPONENTS})
set(Corrade_${_component}_FOUND TRUE)
else()
# Library (and not header-only) components
if(_component MATCHES ${_CORRADE_LIBRARY_COMPONENTS} AND NOT _component MATCHES ${_CORRADE_HEADER_ONLY_COMPONENTS})
if(_component IN_LIST _CORRADE_LIBRARY_COMPONENTS AND NOT _component IN_LIST _CORRADE_HEADER_ONLY_COMPONENTS)
add_library(Corrade::${_component} UNKNOWN IMPORTED)
# Try to find both debug and release version
@ -442,19 +434,19 @@ foreach(_component ${Corrade_FIND_COMPONENTS})
endif()
# Header-only library components
if(_component MATCHES ${_CORRADE_HEADER_ONLY_COMPONENTS})
if(_component IN_LIST _CORRADE_HEADER_ONLY_COMPONENTS)
add_library(Corrade::${_component} INTERFACE IMPORTED)
endif()
# Default include path names to look for for library / header-only
# components
if(_component MATCHES ${_CORRADE_LIBRARY_COMPONENTS})
if(_component IN_LIST _CORRADE_LIBRARY_COMPONENTS)
set(_CORRADE_${_COMPONENT}_INCLUDE_PATH_SUFFIX Corrade/${_component})
set(_CORRADE_${_COMPONENT}_INCLUDE_PATH_NAMES ${_component}.h)
endif()
# Executable components
if(_component MATCHES ${_CORRADE_EXECUTABLE_COMPONENTS})
if(_component IN_LIST _CORRADE_EXECUTABLE_COMPONENTS)
add_executable(Corrade::${_component} IMPORTED)
find_program(CORRADE_${_COMPONENT}_EXECUTABLE corrade-${_component})
@ -552,7 +544,7 @@ foreach(_component ${Corrade_FIND_COMPONENTS})
endif()
# Find library includes
if(_component MATCHES ${_CORRADE_LIBRARY_COMPONENTS})
if(_component IN_LIST _CORRADE_LIBRARY_COMPONENTS)
find_path(_CORRADE_${_COMPONENT}_INCLUDE_DIR
NAMES ${_CORRADE_${_COMPONENT}_INCLUDE_PATH_NAMES}
HINTS ${CORRADE_INCLUDE_DIR}/${_CORRADE_${_COMPONENT}_INCLUDE_PATH_SUFFIX})
@ -560,9 +552,9 @@ foreach(_component ${Corrade_FIND_COMPONENTS})
endif()
# Add inter-library dependencies
if(_component MATCHES ${_CORRADE_LIBRARY_COMPONENTS} OR _component MATCHES ${_CORRADE_HEADER_ONLY_COMPONENTS})
foreach(_dependency ${_CORRADE_${_COMPONENT}_DEPENDENCIES})
if(_dependency MATCHES ${_CORRADE_LIBRARY_COMPONENTS} OR _dependency MATCHES ${_CORRADE_HEADER_ONLY_COMPONENTS})
if(_component IN_LIST _CORRADE_LIBRARY_COMPONENTS OR _component IN_LIST _CORRADE_HEADER_ONLY_COMPONENTS)
foreach(_dependency ${_CORRADE_${_component}_DEPENDENCIES})
if(_dependency IN_LIST _CORRADE_LIBRARY_COMPONENTS OR _dependency IN_LIST _CORRADE_HEADER_ONLY_COMPONENTS)
set_property(TARGET Corrade::${_component} APPEND PROPERTY
INTERFACE_LINK_LIBRARIES Corrade::${_dependency})
endif()
@ -570,7 +562,7 @@ foreach(_component ${Corrade_FIND_COMPONENTS})
endif()
# Decide if the component was found
if((_component MATCHES ${_CORRADE_LIBRARY_COMPONENTS} AND _CORRADE_${_COMPONENT}_INCLUDE_DIR AND (_component MATCHES ${_CORRADE_HEADER_ONLY_COMPONENTS} OR CORRADE_${_COMPONENT}_LIBRARY_RELEASE OR CORRADE_${_COMPONENT}_LIBRARY_DEBUG)) OR (_component MATCHES ${_CORRADE_EXECUTABLE_COMPONENTS} AND CORRADE_${_COMPONENT}_EXECUTABLE))
if((_component IN_LIST _CORRADE_LIBRARY_COMPONENTS AND _CORRADE_${_COMPONENT}_INCLUDE_DIR AND (_component IN_LIST _CORRADE_HEADER_ONLY_COMPONENTS OR CORRADE_${_COMPONENT}_LIBRARY_RELEASE OR CORRADE_${_COMPONENT}_LIBRARY_DEBUG)) OR (_component IN_LIST _CORRADE_EXECUTABLE_COMPONENTS AND CORRADE_${_COMPONENT}_EXECUTABLE))
set(Corrade_${_component}_FOUND TRUE)
else()
set(Corrade_${_component}_FOUND FALSE)
@ -578,6 +570,39 @@ foreach(_component ${Corrade_FIND_COMPONENTS})
endif()
endforeach()
# For CMake 3.16+ with REASON_FAILURE_MESSAGE, provide additional potentially
# useful info about the failed components.
if(NOT CMAKE_VERSION VERSION_LESS 3.16)
set(_CORRADE_REASON_FAILURE_MESSAGE)
# Go only through the originally specified find_package() components, not
# the dependencies added by us afterwards
foreach(_component ${_CORRADE_ORIGINAL_FIND_COMPONENTS})
if(Corrade_${_component}_FOUND)
continue()
endif()
# If it's not known at all, tell the user -- it might be a new library
# and an old Find module, or something platform-specific.
if(NOT _component IN_LIST _CORRADE_LIBRARY_COMPONENTS AND NOT _component IN_LIST _CORRADE_EXECUTABLE_COMPONENTS)
list(APPEND _CORRADE_REASON_FAILURE_MESSAGE "${_component} is not a known component on this platform.")
# Otherwise, if it's not among implicitly built components, hint that
# the user may need to enable it.
# TODO: currently, the _FOUND variable doesn't reflect if dependencies
# were found. When it will, this needs to be updated to avoid
# misleading messages.
elseif(NOT _component IN_LIST _CORRADE_IMPLICITLY_ENABLED_COMPONENTS)
string(TOUPPER ${_component} _COMPONENT)
list(APPEND _CORRADE_REASON_FAILURE_MESSAGE "${_component} is not built by default. Make sure you enabled WITH_${_COMPONENT} when building Corrade.")
# Otherwise we have no idea. Better be silent than to print something
# misleading.
else()
endif()
endforeach()
string(REPLACE ";" " " _CORRADE_REASON_FAILURE_MESSAGE "${_CORRADE_REASON_FAILURE_MESSAGE}")
set(_CORRADE_REASON_FAILURE_MESSAGE REASON_FAILURE_MESSAGE "${_CORRADE_REASON_FAILURE_MESSAGE}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Corrade REQUIRED_VARS
CORRADE_INCLUDE_DIR
@ -586,7 +611,8 @@ find_package_handle_standard_args(Corrade REQUIRED_VARS
${CORRADE_TESTSUITE_XCTEST_RUNNER_NEEDED}
${CORRADE_TESTSUITE_ADB_RUNNER_NEEDED}
${CORRADE_TESTSUITE_EMSCRIPTEN_RUNNER_NEEDED}
HANDLE_COMPONENTS)
HANDLE_COMPONENTS
${_CORRADE_REASON_FAILURE_MESSAGE})
# Finalize the finding process
include(${CORRADE_USE_MODULE})

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