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cmake: support components (#1504)

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Alexandre Bouvier 2023-02-25 15:56:56 +01:00 committed by GitHub
parent 75053bf855
commit 016838fd10
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2 changed files with 13 additions and 6 deletions
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6
CMakeLists.txt
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@ -14,8 +14,8 @@
-------------------------------------------------------------------------------
After installation with Cmake, a find_package(httplib) is available.
This creates a httplib::httplib target (if found).
After installation with Cmake, a find_package(httplib COMPONENTS OpenSSL ZLIB Brotli) is available.
This creates a httplib::httplib target (if found and if listed components are supported).
It can be linked like so:
target_link_libraries(your_exe httplib::httplib)
@ -235,8 +235,6 @@ configure_package_config_file("${PROJECT_NAME}Config.cmake.in"
INSTALL_DESTINATION "${_TARGET_INSTALL_CMAKEDIR}"
# Passes the includedir install path
PATH_VARS CMAKE_INSTALL_FULL_INCLUDEDIR
# There aren't any components, so don't use the macro
NO_CHECK_REQUIRED_COMPONENTS_MACRO
)
if(HTTPLIB_COMPILE)

13
httplibConfig.cmake.in
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@ -42,8 +42,17 @@ set_and_check(HTTPLIB_INCLUDE_DIR "@PACKAGE_CMAKE_INSTALL_FULL_INCLUDEDIR@")
# This is helpful if you're using Cmake's pre-compiled header feature
set_and_check(HTTPLIB_HEADER_PATH "@PACKAGE_CMAKE_INSTALL_FULL_INCLUDEDIR@/httplib.h")
# Brings in the target library
include("${CMAKE_CURRENT_LIST_DIR}/httplibTargets.cmake")
# Consider each library support as a "component"
set(httplib_OpenSSL_FOUND @HTTPLIB_IS_USING_OPENSSL@)
set(httplib_ZLIB_FOUND @HTTPLIB_IS_USING_ZLIB@)
set(httplib_Brotli_FOUND @HTTPLIB_IS_USING_BROTLI@)
check_required_components(httplib)
# Brings in the target library, but only if all required components are found
if(NOT DEFINED httplib_FOUND OR httplib_FOUND)
include("${CMAKE_CURRENT_LIST_DIR}/httplibTargets.cmake")
endif()
# Ouputs a "found httplib /usr/include/httplib.h" message when using find_package(httplib)
include(FindPackageMessage)