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-rw-r--r--posix/confstr.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/posix/confstr.c b/posix/confstr.c
index 98bdc65d0b..c8d4d73143 100644
--- a/posix/confstr.c
+++ b/posix/confstr.c
@@ -45,6 +45,14 @@ confstr (name, buf, len)
       break;
 
     case _CS_LFS_CFLAGS:
+      /* Signal that we want the new ABI.  */
+      {
+	static const char file_offset[] = "-D_FILE_OFFSET_SIZE=64";
+	string = file_offset;
+	string_len = sizeof (file_offset);
+      }
+      break;
+
     case _CS_LFS_LINTFLAGS:
     case _CS_LFS_LDFLAGS:
     case _CS_LFS_LIBS:
@@ -52,7 +60,7 @@ confstr (name, buf, len)
     case _CS_LFS64_LINTFLAGS:
     case _CS_LFS64_LDFLAGS:
     case _CS_LFS64_LIBS:
-      /* GNU libc does not require special actions to use LFS.  */
+      /* GNU libc does not require special actions to use LFS functions.  */
       string = "";
       string_len = 1;
       break;