[lldb] Fix test linker flags for binutils ld

(cherry picked from commit 027f02d)

Author: adrian-prantl

lldb/test/API/lang/swift/expression/import_search_paths/Makefile

@@ -25,6 +25,6 @@ libDirect: $(SRCDIR)/Direct.swift libHidden
 		DYLIB_SWIFT_SOURCES=Direct.swift \
 		DYLIB_MODULENAME=Direct \
 		SWIFTFLAGS_EXTRAS="-I$(BUILDDIR)/hidden" \
-		LD_EXTRAS="-L$(BUILDDIR)/hidden -lIndirect" \
+		LD_EXTRAS="-L$(BUILDDIR)/hidden -lIndirect -Xlinker -rpath -Xlinker $(BUILDDIR)/hidden" \
 		MAKE_DSYM=NO
 

lldb/test/API/lang/swift/implementation_only_imports/library_indirect/Makefile

@@ -12,7 +12,7 @@ SomeLibraryCore.swiftmodule: SomeLibraryCore.swift
 
 SomeLibrary.swiftmodule: SomeLibrary.swift SomeLibraryCore.swiftmodule
 	"$(MAKE)" BASENAME=$(shell basename $@ .swiftmodule) \
-		VPATH=$(SRCDIR) -f $(SRCDIR)/../dylib.mk all
+		VPATH=$(SRCDIR) LD_EXTRAS="-L$(BUILDDIR) -Xlinker -rpath -Xlinker $(BUILDDIR)" -f $(SRCDIR)/../dylib.mk all
 
 clean::
 	rm -rf *.o *.dylib *.so *.dll *.dSYM *.swiftdoc *.swiftmodule *.swiftinterface

lldb/test/API/lang/swift/implementation_only_imports/library_resilient/Makefile

@@ -14,7 +14,7 @@ SomeLibraryCore.swiftmodule: SomeLibraryCore.swift
 SomeLibrary.swiftmodule: SomeLibrary.swift SomeLibraryCore.swiftmodule
 	"$(MAKE)" BASENAME=$(shell basename $@ .swiftmodule) \
 		SWIFTFLAGS_EXTRAS=-enable-library-evolution \
-		VPATH=$(SRCDIR) -f $(SRCDIR)/../dylib.mk all
+		VPATH=$(SRCDIR) LD_EXTRAS="-L$(BUILDDIR) -Xlinker -rpath -Xlinker $(BUILDDIR)" -f $(SRCDIR)/../dylib.mk all
 
 clean::
 	rm -rf *.o *.dylib *.so *.dll *.dSYM *.swiftdoc *.swiftmodule *.swiftinterface