X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/976e528f021024c5f897396456d7f8ea182a19a7..1e41465a20bbe0892f8f6859bed22246de8500db:/tests/atconfig.in

diff --git a/tests/atconfig.in b/tests/atconfig.in
index 29d893b2..3d1bb789 100644
--- a/tests/atconfig.in
+++ b/tests/atconfig.in
@@ -85,7 +85,9 @@ M4='@M4@'
 # We need a C compiler.
 CC='@CC@'
 CFLAGS='@CFLAGS@'
-CPPFLAGS='-I@top_srcdir@ @CPPFLAGS@'
+
+# We need `config.h'.
+CPPFLAGS="-I$at_top_builddir @CPPFLAGS@"
 
 # We want to use the files shipped with Bison.
 BISON_SIMPLE=$at_top_srcdir/src/bison.simple