clang has #include_next.
2020-08-16 Bruno Haible <br...@clisp.org>
absolute-header: Add support for clang.
* modules/absolute-header (Makefile.am): Include '__clang__' in the
HAVE_INCLUDE_NEXT expression.
diff --git a/modules/absolute-header b/modules/absolute-header
index 491d3d2..1866348 100644
--- a/modules/absolute-header
+++ b/modules/absolute-header
@@ -12,7 +12,7 @@ Makefile.am:
# Use this preprocessor expression to decide whether #include_next works.
# Do not rely on a 'configure'-time test for this, since the expression
# might appear in an installed header, which is used by some other compiler.
-HAVE_INCLUDE_NEXT = (__GNUC__ || 60000000 <= __DECC_VER)
+HAVE_INCLUDE_NEXT = (__GNUC__ || __clang__ || 60000000 <= __DECC_VER)
Include:
