X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=modules%2Fabsolute-header;h=27b9ba6a011af3b85a3b175682bd46938ead72fe;hb=ca3910da774f8ae6c4a2b6b8a8729b10ccc97ad4;hp=b4860cfc58708222756e514aed963e428ad37031;hpb=9f02eb5b1e80a503c919b386bb361baef9a58ed0;p=gnulib.git

diff --git a/modules/absolute-header b/modules/absolute-header
index b4860cfc5..27b9ba6a0 100644
--- 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: