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-rw-r--r--sysdeps/x86/fpu/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/x86/fpu/Makefile b/sysdeps/x86/fpu/Makefile
index a8047a4504..600e42c3db 100644
--- a/sysdeps/x86/fpu/Makefile
+++ b/sysdeps/x86/fpu/Makefile
@@ -1,4 +1,7 @@
 ifeq ($(subdir),math)
+# sqrtf128 requires soft-fp.
+CPPFLAGS += -I../soft-fp
+
 libm-support += powl_helper
 tests += test-fenv-sse test-fenv-clear-sse test-fenv-x87 test-fenv-sse-2 \
 	 test-flt-eval-method-387 test-flt-eval-method-sse