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Support dynamic linkage of tests (#253)

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Petr Menšík 2022-02-08 16:53:05 +01:00 committed by GitHub
parent 472245a8bd
commit 7326baf110
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 37 additions and 7 deletions
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40
CMakeLists.txt
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@ -36,6 +36,7 @@ option(USE_ASAN "Use address sanitizer by adding -fsanitize=address -fno-omit-fr
option(USE_UBSAN "Use address sanitizer by adding -fsanitize=undefined -fno-sanitize-recover=all -fno-omit-frame-pointer flags" OFF)
option(BUILD_UVW_LIBS "Prepare targets for static library rather than for a header-only library." OFF)
option(BUILD_UVW_SHARED_LIB "Prepare targets for shared library rather than for a header-only library." OFF)
option(FIND_LIBUV "Try finding libuv library development files in the system" OFF)
if(BUILD_UVW_SHARED_LIB)
set(BUILD_UVW_LIBS BOOL:ON)
@ -65,7 +66,10 @@ if(NOT WIN32 AND USE_LIBCPP)
cmake_pop_check_state()
endif()
option(FETCH_LIBUV "Fetch the libuv repo using CMake FetchContent facility" ON)
# Required minimal libuv version
set(LIBUV_VERSION 1.43.0)
function(fetch_libuv)
if (FETCH_LIBUV)
include(FetchContent)
@ -73,7 +77,7 @@ function(fetch_libuv)
FetchContent_Declare(
libuv
GIT_REPOSITORY https://github.com/libuv/libuv.git
GIT_TAG v1.43.0
GIT_TAG "v${LIBUV_VERSION}"
GIT_SHALLOW 1
)
@ -91,10 +95,34 @@ function(fetch_libuv)
add_library(uv::uv-static ALIAS uv_a)
set_target_properties(uv_a PROPERTIES POSITION_INDEPENDENT_CODE 1)
endif()
endif(FETCH_LIBUV)
endfunction()
function(use_libuv)
set(FETCH_LIBUV_DEFAULT ON)
if (FIND_LIBUV)
find_package(libuv ${LIBUV_VERSION} QUIET)
if (libuv_FOUND)
add_library(uv::uv-shared ALIAS uv)
set(FETCH_LIBUV_DEFAULT OFF)
message(STATUS "libuv ${libuv_VERSION} found via cmake")
else(libuv_FOUND)
find_package(PkgConfig QUIET)
if (PkgConfig_FOUND)
pkg_check_modules(libuv IMPORTED_TARGET libuv>=${LIBUV_VERSION})
if (libuv_FOUND)
add_library(uv::uv-shared ALIAS PkgConfig::libuv)
set(FETCH_LIBUV_DEFAULT OFF)
message(STATUS "libuv ${libuv_VERSION} found via pkg-config")
endif(libuv_FOUND)
endif(PkgConfig_FOUND)
endif(libuv_FOUND)
endif(FIND_LIBUV)
option(FETCH_LIBUV "Fetch the libuv repo using CMake FetchContent facility" ${FETCH_LIBUV_DEFAULT})
fetch_libuv()
endfunction()
#
# Add uvw target
#
@ -103,7 +131,7 @@ include(GNUInstallDirs)
if(BUILD_UVW_LIBS)
fetch_libuv()
use_libuv()
add_subdirectory(src)
file(GLOB HEADERS src/uvw/*.h src/uvw/*.hpp)
@ -179,7 +207,9 @@ option(BUILD_TESTING "Enable testing with ctest." OFF)
if(BUILD_TESTING)
option(FIND_GTEST_PACKAGE "Enable finding gtest package." OFF)
fetch_libuv()
if (NOT BUILD_UVW_LIBS)
use_libuv()
endif()
enable_testing()
add_subdirectory(test)

4
src/CMakeLists.txt
View File

@ -65,14 +65,14 @@ if (BUILD_UVW_SHARED_LIB)
add_library(uvw SHARED)
add_library(uvw::uvw-shared ALIAS uvw)
# If libuv is not fetched by ourselves, it's the caller's responsibility to make sure of the linkage.
if(FETCH_LIBUV)
if(FETCH_LIBUV OR libuv_FOUND)
target_link_libraries(uvw PUBLIC uv::uv-shared)
endif()
else()
add_library(uvw STATIC)
add_library(uvw::uvw-static ALIAS uvw)
# If libuv is not fetched by ourselves, it's the caller's responsibility to make sure of the linkage.
if(FETCH_LIBUV)
if(FETCH_LIBUV OR libuv_FOUND)
target_link_libraries(uvw PUBLIC uv::uv-static)
endif()
endif()