[PATCH v2 4/6] Add a reference to Clang /usr/include/tgmath.h dependency

[H.J. Lu]

The fake Clang /usr/include/tgmath.h dependency bug is:

https://github.com/llvm/llvm-project/issues/120891

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
---
 Makerules | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makerules b/Makerules
index c8b54f7d9a..b60b7e2315 100644
--- a/Makerules
+++ b/Makerules
@@ -471,6 +471,7 @@ ifneq (,$(objpfx))
 # Continuation lines here are dangerous because they introduce spaces!
 # Also remove the /usr/include/tgmath.h dependency generated by Clang
 # even though Clang never reads /usr/include/tgmath.h.
+# https://github.com/llvm/llvm-project/issues/120891
 define sed-remove-objpfx
 -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \
 -e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g' \
-- 
2.47.1