remove trailing whitespace, untabify

[gnulib.git] / modules / absolute-header

diff --git a/modules/absolute-header b/modules/absolute-header
index b4860cf..27b9ba6 100644 (file)
--- a/modules/absolute-header
+++ b/modules/absolute-header
@@ -9,6 +9,10 @@ Depends-on:
 configure.ac:
 
 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)
 
 Include: