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Merge branch 'main' into fvisibility-hidden
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jmklix authored Aug 12, 2024
2 parents 464affd + 8419fe7 commit 15a9e48
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73 changes: 73 additions & 0 deletions cmake/AwsPrebuildDependency.cmake
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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0.

# Build given dependency project during CMake configuration step and install it into CMAKE_BINARY_DIR.
# Arguments:
# DEPENDENCY_NAME Project name that should be built and installed.
# SOURCE_DIR Path to the project.
# CMAKE_ARGUMENTS Additional arguments that will be passed to cmake command.
#
# Set ${DEPENDENCY_NAME}_PREBUILT variable on success.
function(prebuild_dependency)
set(oneValueArgs DEPENDENCY_NAME SOURCE_DIR)
set(multiValueArgs CMAKE_ARGUMENTS)
cmake_parse_arguments(AWS_PREBUILD "" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})

if(NOT AWS_PREBUILD_DEPENDENCY_NAME)
message(FATAL_ERROR "Missing DEPENDENCY_NAME argument in prebuild_dependency function")
endif()

if(NOT AWS_PREBUILD_SOURCE_DIR)
message(FATAL_ERROR "Missing SOURCE_DIR argument in prebuild_dependency function")
endif()

set(depBinaryDir ${CMAKE_BINARY_DIR}/deps/${AWS_PREBUILD_DEPENDENCY_NAME})
set(depInstallDir ${depBinaryDir}/install)
file(MAKE_DIRECTORY ${depBinaryDir})

# For execute_process to accept a dynamically constructed command, it should be passed in a list format.
set(cmakeCommand "COMMAND" "${CMAKE_COMMAND}")
list(APPEND cmakeCommand -S ${AWS_PREBUILD_SOURCE_DIR})
list(APPEND cmakeCommand -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE})
list(APPEND cmakeCommand -DCMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH})
list(APPEND cmakeCommand -DCMAKE_INSTALL_PREFIX=${depInstallDir})
list(APPEND cmakeCommand -DCMAKE_INSTALL_RPATH=${CMAKE_INSTALL_RPATH})
list(APPEND cmakeCommand -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS})

# Append provided arguments to CMake command.
if(AWS_PREBUILD_CMAKE_ARGUMENTS)
list(APPEND cmakeCommand ${AWS_PREBUILD_CMAKE_ARGUMENTS})
endif()

list(APPEND cmakeCommand WORKING_DIRECTORY ${depBinaryDir})
list(APPEND cmakeCommand RESULT_VARIABLE result)

# Configure dependency project.
execute_process(${cmakeCommand})
if (NOT ${result} EQUAL 0)
message(FATAL_ERROR "Configuration failed for dependency project ${AWS_PREBUILD_DEPENDENCY_NAME}")
endif()

# Build and install dependency project into depInstallDir directory.
execute_process(
COMMAND ${CMAKE_COMMAND} --build . --target install
WORKING_DIRECTORY ${depBinaryDir}
RESULT_VARIABLE result
)
if (NOT ${result} EQUAL 0)
message(FATAL_ERROR "Build failed for dependency project ${AWS_PREBUILD_DEPENDENCY_NAME}")
endif()

# Make the installation visible for others.
list(INSERT CMAKE_PREFIX_PATH 0 ${depInstallDir}/)
set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} PARENT_SCOPE)

set(${AWS_PREBUILD_DEPENDENCY_NAME}_PREBUILT TRUE CACHE INTERNAL "Indicate that dependency is built and can be used")

# Generates installation rules for the dependency project.
# On installing targets, CMake will just copy this prebuilt version to a designated installation directory.
install(
DIRECTORY ${depInstallDir}/
DESTINATION ${CMAKE_INSTALL_PREFIX}
)
endfunction()

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