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-rw-r--r--build_posix/aclocal/strict.m47
1 files changed, 7 insertions, 0 deletions
diff --git a/build_posix/aclocal/strict.m4 b/build_posix/aclocal/strict.m4
index 659867fa69e..8c15a22d575 100644
--- a/build_posix/aclocal/strict.m4
+++ b/build_posix/aclocal/strict.m4
@@ -41,7 +41,14 @@ AC_DEFUN([AM_GCC_WARNINGS], [
w="$w -Wno-error=inline"
w="$w -Wno-error=unsafe-loop-optimizations"
+ # GCC 4.7
+ # WiredTiger uses anonymous structures/unions, a C11 extension,
+ # turn off those warnings.
+ # GCC 6.X
+ # Additional warning messages.
case "$1" in
+ [*4.7.[0-9]*]) # gcc4.7
+ w="$w -Wno-c11-extensions";;
[*6.[0-9].[0-9]*]) # gcc6.X
w="$w -Wduplicated-cond"
w="$w -Wmisleading-indentation";;