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-rw-r--r--sysdeps/unix/sysv/linux/sparc/bits/wordsize.h20
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/Implies3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/Versions5
3 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
new file mode 100644
index 0000000000..2d958d29e5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
@@ -0,0 +1,20 @@
+/* Determine the wordsize from the preprocessor defines.  */
+
+#if defined __arch64__ || defined __sparcv9
+# define __WORDSIZE	64
+#else
+# define __WORDSIZE	32
+#endif
+
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
+
+# if __WORDSIZE == 32
+/* Signal that in 32bit ABI we didn't used to have a `long double'.
+   The changes all the `long double' function variants to be redirects
+   to the double functions.  */
+#  define __LONG_DOUBLE_MATH_OPTIONAL   1
+#  ifndef __LONG_DOUBLE_128__
+#   define __NO_LONG_DOUBLE_MATH        1
+#  endif
+# endif
+#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Implies b/sysdeps/unix/sysv/linux/sparc/sparc32/Implies
new file mode 100644
index 0000000000..efda9d27c0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Implies
@@ -0,0 +1,3 @@
+# These supply the ABI compatibility for when long double was double.
+ieee754/ldbl-64-128
+ieee754/ldbl-opt
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Versions b/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
index c585af3602..99458e85a7 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
@@ -21,3 +21,8 @@ libc {
     posix_fadvise64; posix_fallocate64;
   }
 }
+
+/* This is used by sysdeps/ieee754/ldbl-opt/Versions.  It gives the
+   ABI version where long double == double was replaced with proper
+   long double for libm *l functions and libc functions using long double.  */
+%define NLDBL_VERSION GLIBC_2.4