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-rw-r--r--sysdeps/x86_64/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile
index f6ef064ef8..e155691c11 100644
--- a/sysdeps/x86_64/Makefile
+++ b/sysdeps/x86_64/Makefile
@@ -19,6 +19,9 @@ gen-as-const-headers += locale-defines.sym
 endif
 
 ifeq ($(subdir),elf)
+CFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\
+		   -mno-mmx)
+
 sysdep-dl-routines += tlsdesc dl-tlsdesc
 
 tests += ifuncmain8