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A bunch of CMake fixes #114

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A bunch of CMake fixes #114

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6eae0c0
Install cmake config to more standard location
graebm Dec 19, 2024
8690a68
respect custom cmake install path for bin/lib/include
graebm Dec 20, 2024
4e800a5
Fix CMake Deprecation Warning, by declaring project is known to be co…
graebm Dec 20, 2024
f6c7696
Just use CMAKE_INSTALL_LIBDIR etc, instead of our own custom variables
graebm Dec 21, 2024
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36 changes: 11 additions & 25 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,28 +1,8 @@
cmake_minimum_required(VERSION 3.9)
cmake_minimum_required(VERSION 3.9...3.31)
project(aws-c-iot C)

option(USE_EXTERNAL_DEPS_SOURCES "Use dependencies provided by add_subdirectory command" OFF)

if (DEFINED CMAKE_PREFIX_PATH)
file(TO_CMAKE_PATH "${CMAKE_PREFIX_PATH}" CMAKE_PREFIX_PATH)
endif()

if (DEFINED CMAKE_INSTALL_PREFIX)
file(TO_CMAKE_PATH "${CMAKE_INSTALL_PREFIX}" CMAKE_INSTALL_PREFIX)
endif()

if (UNIX AND NOT APPLE)
include(GNUInstallDirs)
elseif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(CMAKE_INSTALL_LIBDIR "lib")
endif()

# This is required in order to append /lib/cmake to each element in CMAKE_PREFIX_PATH
set(AWS_MODULE_DIR "/${CMAKE_INSTALL_LIBDIR}/cmake")
string(REPLACE ";" "${AWS_MODULE_DIR};" AWS_MODULE_PATH "${CMAKE_PREFIX_PATH}${AWS_MODULE_DIR}")
# Append that generated list to the module search path
list(APPEND CMAKE_MODULE_PATH ${AWS_MODULE_PATH})

if (USE_EXTERNAL_DEPS_SOURCES)
set(IN_SOURCE_BUILD ON)

Expand All @@ -35,12 +15,18 @@ if (USE_EXTERNAL_DEPS_SOURCES)
list(APPEND CMAKE_MODULE_PATH "${aws-c-common_SOURCE_DIR}/cmake")
endif()

if (NOT IN_SOURCE_BUILD)
# this is required so we can use aws-c-common's CMake modules
find_package(aws-c-common REQUIRED)
endif()

include(AwsCFlags)
include(AwsCheckHeaders)
include(AwsSharedLibSetup)
include(AwsSanitizers)
include(CheckCCompilerFlag)
include(AwsFindPackage)
include(GNUInstallDirs)

# Platform specific includes and source

Expand Down Expand Up @@ -108,8 +94,8 @@ aws_use_package(aws-c-mqtt)
target_link_libraries(${PROJECT_NAME} PUBLIC ${DEP_AWS_LIBS})
aws_prepare_shared_lib_exports(${PROJECT_NAME})

install(FILES ${AWS_IOT_HEADERS} DESTINATION "include/aws/iotdevice" COMPONENT Development)
install(FILES ${AWS_IOT_PRIV_EXPOSED_HEADERS} DESTINATION "include/aws/iotdevice/private" COMPONENT Development)
install(FILES ${AWS_IOT_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/aws/iotdevice" COMPONENT Development)
install(FILES ${AWS_IOT_PRIV_EXPOSED_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/aws/iotdevice/private" COMPONENT Development)

if (BUILD_SHARED_LIBS)
set (TARGET_DIR "shared")
Expand All @@ -118,7 +104,7 @@ else()
endif()

install(EXPORT "${PROJECT_NAME}-targets"
DESTINATION "${LIBRARY_DIRECTORY}/${PROJECT_NAME}/cmake/${TARGET_DIR}"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/${TARGET_DIR}"
NAMESPACE AWS::
COMPONENT Development)

Expand All @@ -127,7 +113,7 @@ configure_file("cmake/${PROJECT_NAME}-config.cmake"
@ONLY)

install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
DESTINATION "${LIBRARY_DIRECTORY}/${PROJECT_NAME}/cmake/"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/"
COMPONENT Development)

include(CTest)
Expand Down