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-rw-r--r--lib/clang/clang.build.mk4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/clang/clang.build.mk b/lib/clang/clang.build.mk
index 6351edae213c..86384dbf6ade 100644
--- a/lib/clang/clang.build.mk
+++ b/lib/clang/clang.build.mk
@@ -28,6 +28,10 @@ LLVM_REQUIRES_RTTI=
CFLAGS+=-fno-rtti
.endif
+.ifdef TOOLS_PREFIX
+CFLAGS+=-DCLANG_PREFIX=\"${TOOLS_PREFIX}\"
+.endif
+
.PATH: ${LLVM_SRCS}/${SRCDIR}
TBLGEN=tblgen ${CFLAGS:M-I*}