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build: add cmake option to skip building tests

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In case libuv is included via add_subdirectory, its tests are always
built and executed. This cannot be skipped currently, because switching
BUILD_TESTING to false would also switch off all other tests in the
parent project.

This commit adds a switch "libuv_buildtests" which can individually
switch of the compilation and execution of libuv's tests. It is ON by
default, so the default behavior does not change. However, projects
that include libuv via add_subdirectory can not set libuv_buildtests to
OFF if they are not interested in its tests.

PR-URL: https://github.com/libuv/libuv/pull/2094
Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
This commit is contained in:
Niels Lohmann 2018-11-26 20:12:35 +01:00 committed by cjihrig
parent 0b29acb0ca
commit f8cab71872
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GPG Key ID: 7434390BDBE9B9C5
1 changed files with 5 additions and 3 deletions
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8
CMakeLists.txt
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@ -1,7 +1,6 @@
# TODO: determine CMAKE_SYSTEM_NAME on OS/390. Currently assumes "OS/390".
cmake_minimum_required(VERSION 3.0)
project(libuv)
enable_testing()
if(MSVC)
list(APPEND uv_cflags /W4)
@ -351,8 +350,11 @@ target_compile_options(uv_a PRIVATE ${uv_cflags})
target_include_directories(uv_a PRIVATE include src)
target_link_libraries(uv_a ${uv_libraries})
if(BUILD_TESTING)
include(CTest)
option(libuv_buildtests "Build the unit tests when BUILD_TESTING is enabled." ON)
include(CTest)
if(BUILD_TESTING AND libuv_buildtests)
enable_testing()
add_executable(uv_run_tests ${uv_test_sources})
target_compile_definitions(uv_run_tests
PRIVATE ${uv_defines} USING_UV_SHARED=1)