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Enable -Wimplicit-fallthrough if supported

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Suggested by djm.
This commit is contained in:
Darren Tucker 2019-11-18 14:14:18 +11:00
parent 103c51fd5f
commit 6cf1c40096
1 changed files with 1 additions and 0 deletions
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configure.ac
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@ -164,6 +164,7 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
OSSH_CHECK_CFLAG_COMPILE([-Wsizeof-pointer-memaccess])
OSSH_CHECK_CFLAG_COMPILE([-Wpointer-sign], [-Wno-pointer-sign])
OSSH_CHECK_CFLAG_COMPILE([-Wunused-result], [-Wno-unused-result])
OSSH_CHECK_CFLAG_COMPILE([-Wimplicit-fallthrough])
OSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing])
if test "x$use_toolchain_hardening" = "x1"; then
OSSH_CHECK_CFLAG_COMPILE([-mretpoline]) # clang