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-rw-r--r--gdb/configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac
index b63faec587b..e0e5dd4efde 100644
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -1940,7 +1940,8 @@ build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
-Wpointer-sign \
-Wno-unused -Wunused-value -Wunused-function \
-Wno-switch -Wno-char-subscripts -Wmissing-prototypes \
--Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type"
+-Wdeclaration-after-statement -Wempty-body -Wmissing-parameter-type \
+-Wold-style-declaration"
# Enable -Wno-format by default when using gcc on mingw since many
# GCC versions complain about %I64.