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tweak warning flags

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Enable -Wextra if compiler supports it

Set -Wno-error=format-truncation if available to prevent expected
string truncations in openbsd-compat from breaking -Werror builds
This commit is contained in:
Damien Miller 2019-08-30 14:26:19 +10:00
parent 28744182cf
commit e0e7e3d0e2
1 changed files with 3 additions and 1 deletions
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4
configure.ac
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@ -152,9 +152,11 @@ CFLAGS="$saved_CFLAGS"
if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
OSSH_CHECK_CFLAG_COMPILE([-pipe])
OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments])
OSSH_CHECK_CFLAG_COMPILE([-Wunknown-warning-option])
OSSH_CHECK_CFLAG_COMPILE([-Wno-error=format-truncation])
OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments])
OSSH_CHECK_CFLAG_COMPILE([-Wall])
OSSH_CHECK_CFLAG_COMPILE([-Wextra])
OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith])
OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized])
OSSH_CHECK_CFLAG_COMPILE([-Wsign-compare])