dnl Check for tools needed to run the test CA
AC_DEFUN([AM_CHECK_TEST_CA],
[
    AC_PATH_PROG([OPENSSL], [openssl])
    if test ! -x "$OPENSSL"; then
        AC_MSG_NOTICE([Could not find openssl])
    fi

    AC_PATH_PROG([SSH_KEYGEN], [ssh-keygen])
    if test ! -x "$SSH_KEYGEN"; then
        AC_MSG_NOTICE([Could not find ssh-keygen])
    else
        AC_MSG_CHECKING([for -m option of ssh-keygen])
        if AC_RUN_LOG([$SSH_KEYGEN --help 2>&1 |grep -- '-m ' > /dev/null]); then
            AC_MSG_RESULT([yes])
        else
            SSH_KEYGEN=""
            AC_MSG_RESULT([no])
        fi
    fi

    for p in "$(eval echo ${libdir})"/softhsm/libsofthsm2.so \
             "$(eval echo ${libdir})"/pkcs11/libsofthsm2.so \
             /usr/lib*/pkcs11/libsofthsm2.so \
             /usr/lib/*-linux-gnu*/softhsm/libsofthsm2.so \
             /usr/lib/softhsm/libsofthsm2.so; do
        if test -f "${p}"; then
            SOFTHSM2_PATH="${p}"
            break;
        fi
    done
    if test -n "$SOFTHSM2_PATH"; then
        AC_SUBST(SOFTHSM2_PATH)
        AC_DEFINE_UNQUOTED(SOFTHSM2_PATH, "$SOFTHSM2_PATH" ,
                           [Path to softhsm2 PKCS#11 module])
        AC_MSG_NOTICE([Using softhsm2 PKCS11 module: $SOFTHSM2_PATH])
    else
        AC_MSG_NOTICE([Could not find softhsm2 PKCS11 module])
    fi

    AC_PATH_PROG([SOFTHSM2_UTIL], [softhsm2-util])
    if test ! -x "$SOFTHSM2_UTIL"; then
        AC_MSG_NOTICE([Could not find softhsm2-util])
    fi

    AC_PATH_PROG([P11TOOL], [p11tool])
    if test ! -x "$P11TOOL"; then
        AC_MSG_NOTICE([Could not find p11tool])
    fi

    AM_CONDITIONAL([BUILD_TEST_CA], [test -x "$OPENSSL" -a -x "$SSH_KEYGEN" -a -r "$SOFTHSM2_PATH" -a -x "$SOFTHSM2_UTIL" -a -x "$P11TOOL"])

    AM_COND_IF([BUILD_TEST_CA],
               [AC_DEFINE_UNQUOTED(HAVE_TEST_CA, 1,
                                   [Build with certificates from test CA])],
               [AC_MSG_WARN([Test CA cannot be build, skiping some tests])])

    AC_PATH_PROG([FAKETIME], [faketime])
    if test ! -x "$FAKETIME"; then
        AC_MSG_NOTICE([Could not find faketime])
    fi
    AM_CONDITIONAL([HAVE_FAKETIME], [test -x "$FAKETIME"])

    AM_COND_IF([HAVE_FAKETIME],
               [AC_DEFINE_UNQUOTED(HAVE_FAKETIME, 1,
                                   [Using faketime for some tests])],
               [AC_MSG_WARN([faketime not available, skiping some tests])])
])