Commit 35c48e12 authored by Alexander Neundorf's avatar Alexander Neundorf Committed by Brad King

Check*.cmake: Expand imported targets in CMAKE_REQUIRED_LIBRARIES

Add the function cmake_expand_imported_targets() to expand imported
targets in a list of libraries into their on-disk file names for a
particular configuration.  Adapt the implementation from KDE's
HANDLE_IMPORTED_TARGETS_IN_CMAKE_REQUIRED_LIBRARIES which has been in
use for over 2 years.  Call the function from all the Check*.cmake
macros to handle imported targets named in CMAKE_REQUIRED_LIBRARIES.

Alex
parent 61cb4ea7
# CMAKE_EXPAND_IMPORTED_TARGETS(<var> LIBRARIES lib1 lib2...libN
# [CONFIGURATION <config>] )
#
# CMAKE_EXPAND_IMPORTED_TARGETS() takes a list of libraries and replaces
# all imported targets contained in this list with their actual file paths
# of the referenced libraries on disk, including the libraries from their
# link interfaces.
# If a CONFIGURATION is given, it uses the respective configuration of the
# imported targets if it exists. If no CONFIGURATION is given, it uses
# the first configuration from ${CMAKE_CONFIGURATION_TYPES} if set, otherwise
# ${CMAKE_BUILD_TYPE}.
# This macro is used by all Check*.cmake files which use
# TRY_COMPILE() or TRY_RUN() and support CMAKE_REQUIRED_LIBRARIES , so that
# these checks support imported targets in CMAKE_REQUIRED_LIBRARIES:
# cmake_expand_imported_targets(expandedLibs LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}
# CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}" )
#=============================================================================
# Copyright 2012 Kitware, Inc.
# Copyright 2009-2012 Alexander Neundorf <neundorf@kde.org>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
include(CMakeParseArguments)
function(CMAKE_EXPAND_IMPORTED_TARGETS _RESULT )
set(options )
set(oneValueArgs CONFIGURATION )
set(multiValueArgs LIBRARIES )
cmake_parse_arguments(CEIT "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if(CEIT_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unknown keywords given to CMAKE_EXPAND_IMPORTED_TARGETS(): \"${CEIT_UNPARSED_ARGUMENTS}\"")
endif()
if(NOT CEIT_CONFIGURATION)
if(CMAKE_CONFIGURATION_TYPES)
list(GET CMAKE_CONFIGURATION_TYPES 0 CEIT_CONFIGURATION)
else()
set(CEIT_CONFIGURATION ${CMAKE_BUILD_TYPE})
endif()
endif()
# handle imported library targets
set(_CCSR_REQ_LIBS ${CEIT_LIBRARIES})
set(_CHECK_FOR_IMPORTED_TARGETS TRUE)
set(_CCSR_LOOP_COUNTER 0)
while(_CHECK_FOR_IMPORTED_TARGETS)
math(EXPR _CCSR_LOOP_COUNTER "${_CCSR_LOOP_COUNTER} + 1 ")
set(_CCSR_NEW_REQ_LIBS )
set(_CHECK_FOR_IMPORTED_TARGETS FALSE)
foreach(_CURRENT_LIB ${_CCSR_REQ_LIBS})
get_target_property(_importedConfigs "${_CURRENT_LIB}" IMPORTED_CONFIGURATIONS)
if (_importedConfigs)
# message(STATUS "Detected imported target ${_CURRENT_LIB}")
# Ok, so this is an imported target.
# First we get the imported configurations.
# Then we get the location of the actual library on disk of the first configuration.
# then we'll get its link interface libraries property,
# iterate through it and replace all imported targets we find there
# with there actual location.
# guard against infinite loop: abort after 100 iterations ( 100 is arbitrary chosen)
if ("${_CCSR_LOOP_COUNTER}" LESS 100)
set(_CHECK_FOR_IMPORTED_TARGETS TRUE)
# else ("${_CCSR_LOOP_COUNTER}" LESS 1)
# message(STATUS "********* aborting loop, counter : ${_CCSR_LOOP_COUNTER}")
endif ("${_CCSR_LOOP_COUNTER}" LESS 100)
# if one of the imported configurations equals ${CMAKE_TRY_COMPILE_CONFIGURATION},
# use it, otherwise simply use the first one:
list(FIND _importedConfigs "${CEIT_CONFIGURATION}" _configIndexToUse)
if("${_configIndexToUse}" EQUAL -1)
set(_configIndexToUse 0)
endif("${_configIndexToUse}" EQUAL -1)
list(GET _importedConfigs ${_configIndexToUse} _importedConfigToUse)
get_target_property(_importedLocation "${_CURRENT_LIB}" IMPORTED_LOCATION_${_importedConfigToUse})
get_target_property(_linkInterfaceLibs "${_CURRENT_LIB}" IMPORTED_LINK_INTERFACE_LIBRARIES_${_importedConfigToUse} )
list(APPEND _CCSR_NEW_REQ_LIBS "${_importedLocation}")
# message(STATUS "Appending lib ${_CURRENT_LIB} as ${_importedLocation}")
if(_linkInterfaceLibs)
foreach(_currentLinkInterfaceLib ${_linkInterfaceLibs})
# message(STATUS "Appending link interface lib ${_currentLinkInterfaceLib}")
if(_currentLinkInterfaceLib)
list(APPEND _CCSR_NEW_REQ_LIBS "${_currentLinkInterfaceLib}" )
endif(_currentLinkInterfaceLib)
endforeach(_currentLinkInterfaceLib "${_linkInterfaceLibs}")
endif(_linkInterfaceLibs)
else(_importedConfigs)
# "Normal" libraries are just used as they are.
list(APPEND _CCSR_NEW_REQ_LIBS "${_CURRENT_LIB}" )
# message(STATUS "Appending lib directly: ${_CURRENT_LIB}")
endif(_importedConfigs)
endforeach(_CURRENT_LIB ${_CCSR_REQ_LIBS})
set(_CCSR_REQ_LIBS ${_CCSR_NEW_REQ_LIBS} )
endwhile(_CHECK_FOR_IMPORTED_TARGETS)
# Finally we iterate once more over all libraries. This loop only removes
# all remaining imported target names (there shouldn't be any left anyway).
set(_CCSR_NEW_REQ_LIBS )
foreach(_CURRENT_LIB ${_CCSR_REQ_LIBS})
get_target_property(_importedConfigs "${_CURRENT_LIB}" IMPORTED_CONFIGURATIONS)
if (NOT _importedConfigs)
list(APPEND _CCSR_NEW_REQ_LIBS "${_CURRENT_LIB}" )
# message(STATUS "final: appending ${_CURRENT_LIB}")
else (NOT _importedConfigs)
# message(STATUS "final: skipping ${_CURRENT_LIB}")
endif (NOT _importedConfigs)
endforeach(_CURRENT_LIB ${_CCSR_REQ_LIBS})
# message(STATUS "setting -${_RESULT}- to -${_CCSR_NEW_REQ_LIBS}-")
set(${_RESULT} "${_CCSR_NEW_REQ_LIBS}" PARENT_SCOPE)
endfunction()
......@@ -24,6 +24,9 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_C_SOURCE_COMPILES SOURCE VAR)
IF("${VAR}" MATCHES "^${VAR}$")
SET(_FAIL_REGEX)
......@@ -40,8 +43,10 @@ MACRO(CHECK_C_SOURCE_COMPILES SOURCE VAR)
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
ELSE(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -24,13 +24,18 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_C_SOURCE_RUNS SOURCE VAR)
IF("${VAR}" MATCHES "^${VAR}$")
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
ELSE(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -24,6 +24,9 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR)
IF("${VAR}" MATCHES "^${VAR}$")
SET(_FAIL_REGEX)
......@@ -41,8 +44,10 @@ MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR)
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
ELSE(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -24,13 +24,18 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_CXX_SOURCE_RUNS SOURCE VAR)
IF("${VAR}" MATCHES "^${VAR}$")
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
ELSE(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -22,12 +22,17 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
macro(CHECK_FORTRAN_FUNCTION_EXISTS FUNCTION VARIABLE)
if(NOT DEFINED ${VARIABLE})
message(STATUS "Looking for Fortran ${FUNCTION}")
if(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
cmake_expand_imported_targets(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
set(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
else(CMAKE_REQUIRED_LIBRARIES)
set(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
endif(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -27,14 +27,19 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_FUNCTION_EXISTS FUNCTION VARIABLE)
IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}")
MESSAGE(STATUS "Looking for ${FUNCTION}")
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
ELSE(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -26,6 +26,9 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
SET(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION
......@@ -33,8 +36,10 @@ MACRO(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
MESSAGE(STATUS "Looking for ${FUNCTION} in ${LIBRARY}")
SET(CHECK_LIBRARY_EXISTS_LIBRARIES ${LIBRARY})
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_LIBRARY_EXISTS_LIBRARIES
${CHECK_LIBRARY_EXISTS_LIBRARIES} ${CMAKE_REQUIRED_LIBRARIES})
${CHECK_LIBRARY_EXISTS_LIBRARIES} ${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES})
ENDIF(CMAKE_REQUIRED_LIBRARIES)
TRY_COMPILE(${VARIABLE}
${CMAKE_BINARY_DIR}
......
......@@ -34,8 +34,11 @@
# License text for the above reference.)
#
include("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
get_filename_component(__check_proto_def_dir "${CMAKE_CURRENT_LIST_FILE}" PATH)
function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE)
if ("${_VARIABLE}" MATCHES "^${_VARIABLE}$")
......@@ -43,8 +46,10 @@ function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIAB
set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS})
if (CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
cmake_expand_imported_targets(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
set(CHECK_PROTOTYPE_DEFINITION_LIBS
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
else(CMAKE_REQUIRED_LIBRARIES)
set(CHECK_PROTOTYPE_DEFINITION_LIBS)
endif(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -35,6 +35,9 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_SYMBOL_EXISTS SYMBOL FILES VARIABLE)
_CHECK_SYMBOL_EXISTS("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckSymbolExists.c" "${SYMBOL}" "${FILES}" "${VARIABLE}" )
ENDMACRO(CHECK_SYMBOL_EXISTS)
......@@ -44,8 +47,10 @@ MACRO(_CHECK_SYMBOL_EXISTS SOURCEFILE SYMBOL FILES VARIABLE)
SET(CMAKE_CONFIGURABLE_FILE_CONTENT "/* */\n")
SET(MACRO_CHECK_SYMBOL_EXISTS_FLAGS ${CMAKE_REQUIRED_FLAGS})
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_SYMBOL_EXISTS_LIBS
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
ELSE(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_SYMBOL_EXISTS_LIBS)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -47,6 +47,7 @@
# License text for the above reference.)
include(CheckIncludeFile)
include("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
cmake_policy(PUSH)
cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
......@@ -76,6 +77,10 @@ function(__check_type_size_impl type var map builtin)
endforeach()
# Perform the check.
# this one translates potentially used imported library targets to their files on disk
cmake_expand_imported_targets(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
set(src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckTypeSize/${var}.c)
set(bin ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckTypeSize/${var}.bin)
configure_file(${__check_type_size_dir}/CheckTypeSize.c.in ${src} @ONLY)
......@@ -84,7 +89,7 @@ function(__check_type_size_impl type var map builtin)
CMAKE_FLAGS
"-DCOMPILE_DEFINITIONS:STRING=${CMAKE_REQUIRED_FLAGS}"
"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}"
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}"
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}"
OUTPUT_VARIABLE output
COPY_FILE ${bin}
)
......
......@@ -26,14 +26,19 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake")
MACRO(CHECK_VARIABLE_EXISTS VAR VARIABLE)
IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
SET(MACRO_CHECK_VARIABLE_DEFINITIONS
"-DCHECK_VARIABLE_EXISTS=${VAR} ${CMAKE_REQUIRED_FLAGS}")
MESSAGE(STATUS "Looking for ${VAR}")
IF(CMAKE_REQUIRED_LIBRARIES)
# this one translates potentially used imported library targets to their files on disk
CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}")
SET(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
ELSE(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
......
......@@ -137,3 +137,14 @@ add_library(imp_lib1 STATIC imp_lib1.c)
target_link_libraries(imp_lib1 exp_testLib2)
add_library(imp_lib1b STATIC imp_lib1.c)
target_link_libraries(imp_lib1b bld_testLib2)
#-----------------------------------------------------------------------------
# Test that handling imported targets, including transitive dependencies,
# works in CheckFunctionExists (...and hopefully all other try_compile() checks
include(CheckFunctionExists)
unset(HAVE_TESTLIB1_FUNCTION CACHE)
set(CMAKE_REQUIRED_LIBRARIES exp_testLib2)
check_function_exists(testLib1 HAVE_TESTLIB1_FUNCTION)
if (NOT HAVE_TESTLIB1_FUNCTION)
message(SEND_ERROR "Using imported target testLib2 in check_function_exists() failed !")
endif()
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