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-rw-r--r--lib/dirent.in.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/dirent.in.h b/lib/dirent.in.h
index cd9ae715477..4666972b150 100644
--- a/lib/dirent.in.h
+++ b/lib/dirent.in.h
@@ -57,10 +57,12 @@ typedef struct gl_directory DIR;
/* The __attribute__ feature is available in gcc versions 2.5 and later.
The attribute __pure__ was added in gcc 2.96. */
-#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
-# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
-#else
-# define _GL_ATTRIBUTE_PURE /* empty */
+#ifndef _GL_ATTRIBUTE_PURE
+# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || defined __clang__
+# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
+# else
+# define _GL_ATTRIBUTE_PURE /* empty */
+# endif
#endif
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
@@ -152,7 +154,8 @@ _GL_WARN_ON_USE (closedir, "closedir is not portable - "
/* Return the file descriptor associated with the given directory stream,
or -1 if none exists. */
# if @REPLACE_DIRFD@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+/* On kLIBC, dirfd() is a macro that does not work. Undefine it. */
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE) || defined dirfd
# undef dirfd
# define dirfd rpl_dirfd
# endif