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#!/usr/bin/m4
dnl Check whether ld supports "-z now"
AC_DEFUN([PAM_LD_Z_NOW], [dnl
AC_CACHE_CHECK([whether ld supports "-z now"],
[pam_cv_ld_z_now],
[saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,-z,now"
AC_LINK_IFELSE([AC_LANG_PROGRAM(,)],
[pam_cv_ld_z_now=yes],
[pam_cv_ld_z_now=no])
LDFLAGS="$saved_LDFLAGS"])
AS_IF([test $pam_cv_ld_z_now = yes],
[ZNOW_LDFLAGS="-Wl,-z,now"],
[ZNOW_LDFLAGS=])
])
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