fix(C++ modules) if toolchain clang-scan-deps is not installed, fallback to system wide clang-scan-deps if available

1 files changed, 4 insertions, 0 deletions

diff --git a/xmake/rules/c++/modules/clang/support.lua b/xmake/rules/c++/modules/clang/support.lua
index 11c2f9a67..faebd5213 100644
--- a/xmake/rules/c++/modules/clang/support.lua
+++ b/xmake/rules/c++/modules/clang/support.lua
@@ -228,6 +228,10 @@ function get_clang_scan_deps(target)
                 program = path.join(dir, program)
             end
             local result = find_tool("clang-scan-deps", {program = program, version = true})
+            if not result then
+                -- find a system wide alternative
+                result = find_tool("clang-scan-deps", {version = true})
+            end
             if result then
                 clang_scan_deps = result.program
             end