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authorJames McCoy <jamessan@jamessan.com>2022-10-06 09:14:38 -0400
committerGitHub <noreply@github.com>2022-10-06 15:14:38 +0200
commit61da959bb401b83454be0748b7a8b482f1be76e5 (patch)
tree3e01652c7479c467d703485aced26bcade5373dc /cmake.deps/cmake/BuildLua.cmake
parent25dea99ce54de6a8c4369e28e0db82e1af669f24 (diff)
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build(deps): restore support for USE_EXISTING_SRC_DIR (#20491)
59d5f692f removed cmake.deps/cmake/DownloadAndExtractFile.cmake and support for USE_EXISTING_SRC_DIR. The Ubuntu nightly PPA still relies on USE_EXISTING_SRC_DIR functionality since it can't access the network during the build. Supplying an empty value for ExternalProject_Add()'s URL value appears to provide the needed mechanism to avoid re-downloading when the sources are already present. This is undocumented behavior, though, so it may break in the future. Now, if USE_EXISTING_SRC_DIR is set, the ExternalProject's URL variable is unset, preventing the download and erroring out if the source doesn't actually exist.
Diffstat (limited to 'cmake.deps/cmake/BuildLua.cmake')
-rw-r--r--cmake.deps/cmake/BuildLua.cmake3
1 files changed, 3 insertions, 0 deletions
diff --git a/cmake.deps/cmake/BuildLua.cmake b/cmake.deps/cmake/BuildLua.cmake
index fcc2f8ca25..b5ac8368a6 100644
--- a/cmake.deps/cmake/BuildLua.cmake
+++ b/cmake.deps/cmake/BuildLua.cmake
@@ -42,6 +42,9 @@ set(LUA_INSTALL_TOP_ARG "INSTALL_TOP=${DEPS_INSTALL_DIR}")
message(STATUS "Lua target is ${LUA_TARGET}")
+if(USE_EXISTING_SRC_DIR)
+ unset(LUA_URL)
+endif()
ExternalProject_Add(lua
URL ${LUA_URL}
URL_HASH SHA256=${LUA_SHA256}