diff --git a/src/gallium/auxiliary/gallivm/lp_bld_printf.h b/src/gallium/auxiliary/gallivm/lp_bld_printf.h
index ede93cc834e..298b4033f08 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_printf.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_printf.h
@@ -28,6 +28,9 @@
 #ifndef LP_BLD_PRINTF_H
 #define LP_BLD_PRINTF_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #include "pipe/p_compiler.h"
 #include "lp_bld.h"
@@ -43,5 +46,9 @@ lp_build_print_value(struct gallivm_state *gallivm,
                      const char *msg,
                      LLVMValueRef value);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif