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-rw-r--r--libcpp/init.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libcpp/init.c b/libcpp/init.c
index 2998d88..d612374 100644
--- a/libcpp/init.c
+++ b/libcpp/init.c
@@ -185,6 +185,7 @@ cpp_create_reader (enum c_lang lang, cpp_hash_table *table,
CPP_OPTION (pfile, operator_names) = 1;
CPP_OPTION (pfile, warn_trigraphs) = 2;
CPP_OPTION (pfile, warn_endif_labels) = 1;
+ CPP_OPTION (pfile, cpp_warn_c90_c99_compat) = -1;
CPP_OPTION (pfile, cpp_warn_deprecated) = 1;
CPP_OPTION (pfile, cpp_warn_long_long) = 0;
CPP_OPTION (pfile, dollars_in_ident) = 1;