Only use the Darwin linker's -export_dynamic option with supported versions.
Related to <rdar://problem/14578094>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187680 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 33e2803..dfaffaa 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -4517,6 +4517,9 @@
CmdArgs.push_back("-demangle");
}
+ if (Args.hasArg(options::OPT_rdynamic) && Version[0] >= 137)
+ CmdArgs.push_back("-export_dynamic");
+
// If we are using LTO, then automatically create a temporary file path for
// the linker to use, so that it's lifetime will extend past a possible
// dsymutil step.
@@ -4724,9 +4727,6 @@
if (Args.hasArg(options::OPT_ObjC) || Args.hasArg(options::OPT_ObjCXX))
CmdArgs.push_back("-ObjC");
- if (Args.hasArg(options::OPT_rdynamic))
- CmdArgs.push_back("-export_dynamic");
-
CmdArgs.push_back("-o");
CmdArgs.push_back(Output.getFilename());
diff --git a/test/Driver/darwin-ld.c b/test/Driver/darwin-ld.c
index cd511e0..d6c5170 100644
--- a/test/Driver/darwin-ld.c
+++ b/test/Driver/darwin-ld.c
@@ -130,3 +130,17 @@
// RUN: FileCheck -check-prefix=LINK_PG %s < %t.log
// LINK_PG: -lgcrt1.o
// LINK_PG: -no_new_main
+
+// RUN: %clang -target x86_64-apple-darwin12 -rdynamic -### %t.o \
+// RUN: -mlinker-version=100 2> %t.log
+// RUN: FileCheck -check-prefix=LINK_NO_EXPORT_DYNAMIC %s < %t.log
+// LINK_NO_EXPORT_DYNAMIC: {{ld(.exe)?"}}
+// LINK_NO_EXPORT_DYNAMIC-NOT: "-export_dynamic"
+
+// RUN: %clang -target x86_64-apple-darwin12 -rdynamic -### %t.o \
+// RUN: -mlinker-version=137 2> %t.log
+// RUN: FileCheck -check-prefix=LINK_EXPORT_DYNAMIC %s < %t.log
+// LINK_EXPORT_DYNAMIC: {{ld(.exe)?"}}
+// LINK_EXPORT_DYNAMIC: "-export_dynamic"
+
+
