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dnl
dnl Check for support for enabling initialization of automatic variables
dnl
AC_DEFUN([PDNS_INIT_AUTO_VARS],[
AC_MSG_CHECKING([whether to enable initialization of automatic variables])
AC_ARG_ENABLE([auto-var-init],
AS_HELP_STRING([--enable-auto-var-init],[enable initialization of automatic variables (zero, pattern) @<:@default=no@:>@]),
[enable_initautovars=$enableval],
[enable_initautovars=no],
)
AC_MSG_RESULT([$enable_initautovars])
AS_IF([test "x$enable_initautovars" = "xyes"], [
[enable_initautovars=zero]
])
AS_IF([test "x$enable_initautovars" = "xzero" ], [
gl_COMPILER_OPTION_IF([-ftrivial-auto-var-init=zero], [
CFLAGS="-ftrivial-auto-var-init=zero $CFLAGS"
CXXFLAGS="-ftrivial-auto-var-init=zero $CXXFLAGS"
])
])
AS_IF([test "x$enable_initautovars" = "xpattern" ], [
gl_COMPILER_OPTION_IF([-ftrivial-auto-var-init=pattern], [
CFLAGS="-ftrivial-auto-var-init=pattern $CFLAGS"
CXXFLAGS="-ftrivial-auto-var-init=pattern $CXXFLAGS"
])
])
])
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