build yaml library using custom CMakeLists.txt file

This commit is contained in:
Axel Kohlmeyer
2021-10-21 23:39:56 -04:00
parent 8d6461ffcd
commit b57c8bda51

View File

@ -1,8 +1,22 @@
find_package(YAML) find_package(YAML)
if(NOT YAML_FOUND) if(YAML_FOUND)
set(DOWNLOAD_YAML_DEFAULT OFF)
else()
set(DOWNLOAD_YAML_DEFAULT ON)
endif()
option(DOWNLOAD_YAML "Download YAML library instead of using an already installed one)" ${DOWNLOAD_YAML_DEFAULT})
set(YAML_URL "https://github.com/akohlmey/libyaml/archive/refs/heads/new-cmake.tar.gz" CACHE STRING "URL for libyaml tarball")
set(YAML_MD5 "b45401559221758b7b48d67eecf27077" CACHE STRING "MD5 checksum of libyaml tarball")
mark_as_advanced(YAML_URL)
mark_as_advanced(YAML_MD5)
if(DOWNLOAD_YAML)
# download and build a local copy of libyaml # download and build a local copy of libyaml
include(YAML) set(BUILD_TESTING off)
include(ExternalCMakeProject)
ExternalCMakeProject(libyaml ${YAML_URL} ${YAML_MD5} libyaml .)
add_library(Yaml::Yaml ALIAS yaml)
endif() endif()
if(CMAKE_VERSION VERSION_LESS 3.12) if(CMAKE_VERSION VERSION_LESS 3.12)