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-rw-r--r--ChangeLog14
-rw-r--r--sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile36
-rw-r--r--sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S3
3 files changed, 36 insertions, 17 deletions
diff --git a/ChangeLog b/ChangeLog
index 56f9c6809b..29e514aef0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2017-09-15  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
+
+	[BZ #21745]
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile:
+	[$(subdir) = math] (sysdep_calls): New variable.  Has the
+	previous contents of sysdep_routines, but re-sorted..
+	[$(subdir) = math] (sysdep_routines): Re-use the contents from
+	sysdep_calls.
+	[$(subdir) = math] (libm-sysdep_routines): Remove the functions
+	defined in sysdep_calls and replace by the respective m_* names.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S:
+	(compat_symbol): Undefine to avoid duplicated compat symbols in
+	libc.
+
 2017-09-15  Joseph Myers  <joseph@codesourcery.com>
 
 	* math/s_fmaf.c: Include <libm-alias-float.h>.
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
index d6f14f360a..73f2f69377 100644
--- a/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
@@ -1,33 +1,35 @@
 ifeq ($(subdir),math)
-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
-		   s_isnan-power5 s_isnan-ppc64 s_copysign-power6 \
-		   s_copysign-ppc64 s_finite-power7 s_finite-ppc64 \
-		   s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
-		   s_isinf-ppc64 s_modf-power5+ s_modf-ppc64 \
-		   s_modff-power5+ s_modff-ppc64 s_isnan-power8 \
-		   s_isinf-power8 s_finite-power8
+# These functions are built both for libc and libm because they're required
+# by printf.  While the libc objects have the prefix s_, the libm ones are
+# prefixed with  m_.
+sysdep_calls := s_copysign-power6 s_copysign-ppc64 \
+		s_finite-power8 s_finite-power7 s_finite-ppc64 \
+		s_finitef-ppc64 \
+		s_isinf-power8 s_isinf-ppc64 \
+		s_isinff-ppc64 s_isinf-power7 \
+		s_isnan-power8 s_isnan-power7 s_isnan-power6x s_isnan-power6 \
+		s_isnan-power5 s_isnan-ppc64 \
+		s_modf-power5+ s_modf-ppc64 \
+		s_modff-power5+ s_modff-ppc64
 
-libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
-			s_isnan-power5 s_isnan-ppc64 s_llround-power6x \
+sysdep_routines += $(sysdep_calls)
+libm-sysdep_routines += s_llround-power6x \
 			s_llround-power5+ s_llround-ppc64 s_ceil-power5+ \
 			s_ceil-ppc64 s_ceilf-power5+ s_ceilf-ppc64 \
 			s_floor-power5+ s_floor-ppc64 s_floorf-power5+ \
 			s_floorf-ppc64 s_round-power5+ s_round-ppc64 \
 			s_roundf-power5+ s_roundf-ppc64 s_trunc-power5+ \
 			s_trunc-ppc64 s_truncf-power5+ s_truncf-ppc64 \
-			s_copysign-power6 s_copysign-ppc64 s_llrint-power6x \
-			s_llrint-ppc64 s_finite-power7 s_finite-ppc64 \
-			s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
-			s_isinf-ppc64 s_logb-power7 s_logbf-power7 \
+			s_llrint-power6x s_llrint-ppc64 \
+			s_logb-power7 s_logbf-power7 \
 			s_logbl-power7 s_logb-ppc64 s_logbf-ppc64 \
-			s_logbl-ppc64 s_modf-power5+ s_modf-ppc64 \
-			s_modff-power5+ s_modff-ppc64 e_hypot-ppc64 \
+			s_logbl-ppc64 e_hypot-ppc64 \
 			e_hypot-power7 e_hypotf-ppc64 e_hypotf-power7 \
-			s_isnan-power8 s_isinf-power8 s_finite-power8 \
 			s_llrint-power8 s_llround-power8 s_llroundf-ppc64 \
 			e_expf-power8 e_expf-ppc64 \
 			s_sinf-ppc64 s_sinf-power8 \
-			s_cosf-ppc64 s_cosf-power8
+			s_cosf-ppc64 s_cosf-power8 \
+			$(sysdep_calls:s_%=m_%)
 
 CFLAGS-s_logbf-power7.c = -mcpu=power7
 CFLAGS-s_logbl-power7.c = -mcpu=power7
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S
index ee219c14be..eba0d4ff5e 100644
--- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S
@@ -23,6 +23,9 @@
 #define weak_alias(a,b)
 #undef strong_alias
 #define strong_alias(a,b)
+#undef compat_symbol
+#define compat_symbol(a,b,c,d)
+
 
 #define __isnan __isnan_ppc64
 #undef hidden_def