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-rw-r--r--CMakeLists.txt12
1 files changed, 11 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e62f762b..6de086be 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1246,7 +1246,8 @@ if(NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900)
# OFF Disable sandboxing.
# capsicum Require Capsicum (FreeBSD >= 10.2) and fail if not found.
# pledge Require pledge(2) (OpenBSD >= 5.9) and fail if not found.
- set(SUPPORTED_SANDBOX_METHODS ON OFF capsicum pledge)
+ # landlock Require Landlock (Linux >= 5.13) and fail if not found.
+ set(SUPPORTED_SANDBOX_METHODS ON OFF capsicum pledge landlock)
set(ENABLE_SANDBOX ON CACHE STRING "Sandboxing method to use in 'xz'")
@@ -1285,6 +1286,15 @@ if(NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900)
endif()
endif()
+ # Sandboxing: Landlock
+ if(NOT SANDBOX_FOUND AND ENABLE_SANDBOX MATCHES "^ON$|^landlock$")
+ check_include_file(linux/landlock.h HAVE_LINUX_LANDLOCK_H)
+ if(HAVE_LINUX_LANDLOCK_H)
+ target_compile_definitions(xz PRIVATE HAVE_LINUX_LANDLOCK_H)
+ set(SANDBOX_FOUND ON)
+ endif()
+ endif()
+
if(NOT SANDBOX_FOUND AND NOT ENABLE_SANDBOX MATCHES "^ON$|^OFF$")
message(SEND_ERROR "ENABLE_SANDBOX=${ENABLE_SANDBOX} was used but "
"support for the sandboxing method wasn't found.")