Allow specifying a file with symbols to export

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8531 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Makefile.rules b/Makefile.rules
index 2e3db61251b9387c9940c1c7a5ce6546b69d4131..a100d89080218c8e2e88f92e8fe353edfdf82432 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -469,7 +469,11 @@ LinkBCLib := $(LLVMGCC) -shared
 ifdef EXPORTED_SYMBOL_LIST
 LinkBCLib += -Xlinker -internalize-public-api-list=$(EXPORTED_SYMBOL_LIST)
 else
+  ifdef EXPORTED_SYMBOL_FILE
+LinkBCLib += -Xlinker -internalize-public-api-file=$(EXPORTED_SYMBOL_FILE)
+  else
 LinkBCLib += -Xlinker -disable-internalize
+  endif
 endif