From cbb13bf6b170c6ba6660d594bdd9ca44a5bdaea5 Mon Sep 17 00:00:00 2001
From: Andrew Johnson <anj@aps.anl.gov>
Date: Tue, 18 Sep 2018 10:22:29 -0500
Subject: [PATCH] Darwin: Don't link using -flat_namespace

---
 configure/os/CONFIG.darwinCommon.darwinCommon | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure/os/CONFIG.darwinCommon.darwinCommon b/configure/os/CONFIG.darwinCommon.darwinCommon
index 56b539545..4a8f3ef8e 100644
--- a/configure/os/CONFIG.darwinCommon.darwinCommon
+++ b/configure/os/CONFIG.darwinCommon.darwinCommon
@@ -65,14 +65,14 @@ GNU = NO
 #
 # Darwin shared libraries
 #
-SHRLIB_LDFLAGS = -dynamiclib -flat_namespace -undefined suppress \
+SHRLIB_LDFLAGS = -dynamiclib -undefined dynamic_lookup \
     -install_name $(shell $(FULLPATHNAME) $(INSTALL_LIB))/$@ \
     $(addprefix -compatibility_version , $(SHRLIB_VERSION)) \
     $(addprefix -current_version , $(SHRLIB_VERSION))
 SHRLIB_SUFFIX_BASE = .dylib
 SHRLIB_SUFFIX = $(addprefix ., $(SHRLIB_VERSION))$(SHRLIB_SUFFIX_BASE)
 
-LOADABLE_SHRLIB_LDFLAGS = -bundle -flat_namespace -undefined suppress
+LOADABLE_SHRLIB_LDFLAGS = -bundle -undefined dynamic_lookup
 
 #
 # Position-independent code is the default on Darwin.