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-rw-r--r--stdlib/bits/stdlib-ldbl.h2
-rw-r--r--stdlib/stdint.h2
-rw-r--r--stdlib/stdlib.h2
3 files changed, 3 insertions, 3 deletions
diff --git a/stdlib/bits/stdlib-ldbl.h b/stdlib/bits/stdlib-ldbl.h
index ca460fa3b6..ab37bdd467 100644
--- a/stdlib/bits/stdlib-ldbl.h
+++ b/stdlib/bits/stdlib-ldbl.h
@@ -28,7 +28,7 @@ __LDBL_REDIR1_DECL (strtold, strtod)
 __LDBL_REDIR1_DECL (strtold_l, strtod_l)
 #endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 __LDBL_REDIR1_DECL (strfroml, strfromd)
 #endif
 
diff --git a/stdlib/stdint.h b/stdlib/stdint.h
index 1ad538fc48..af580f2ee7 100644
--- a/stdlib/stdint.h
+++ b/stdlib/stdint.h
@@ -273,7 +273,7 @@ typedef __uintmax_t		uintmax_t;
 #  define UINTMAX_C(c)	c ## ULL
 # endif
 
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 
 # define INT8_WIDTH 8
 # define UINT8_WIDTH 8
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index a9fd989d39..827e44b8d0 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -208,7 +208,7 @@ extern unsigned long long int strtoull (const char *__restrict __nptr,
 #endif /* ISO C99 or use MISC.  */
 
 /* Convert a floating-point number to a string.  */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
+#if __GLIBC_USE (IEC_60559_BFP_EXT_C2X)
 extern int strfromd (char *__dest, size_t __size, const char *__format,
 		     double __f)
      __THROW __nonnull ((3));