config.m4

PHP_ARG_ENABLE(scrypt, whether to enable scrypt support,
[ --enable-scrypt  Enable scrypt support])

if test $PHP_SCRYPT != "no"; then
    PHP_ADD_INCLUDE(crypto)
    PHP_ADD_BUILD_DIR(crypto)

    AH_TEMPLATE(HAVE_SYSCTL_HW_USERMEM, [Define if the hw.usermem property exists in sysctl.])
    if sysctl hw.usermem >/dev/null 2>/dev/null; then
        AC_DEFINE(HAVE_SYSCTL_HW_USERMEM, 1)
    fi

    AH_TEMPLATE(HAVE_CLOCK_GETTIME, [See if we have the clock_gettime function.])
    AH_TEMPLATE(HAVE_STRUCT_SYSINFO, [Define if the sysinfo struct exists.])
    AH_TEMPLATE(HAVE_STRUCT_SYSINFO_TOTALRAM, [Define if the sysinfo struct has a member for the total amount of RAM.])
	
    AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE(HAVE_CLOCK_GETTIME, 1)])
    AC_CHECK_MEMBER([struct sysinfo.uptime], [AC_DEFINE(HAVE_STRUCT_SYSINFO)])
    AC_CHECK_MEMBER([struct sysinfo.totalram], [AC_DEFINE(HAVE_STRUCT_SYSINFO_TOTALRAM)])

    version=nosse
    AC_CHECK_HEADER([emmintrin.h], [version=sse], [version=nosse])
    AC_DEFINE(HAVE_SCRYPT, 1, [Whether you have scrypt])
    PHP_NEW_EXTENSION(scrypt, php_scrypt.c php_scrypt_utils.c crypto/sha256.c crypto/crypto_scrypt-$version.c crypto/params.c, $ext_shared)
fi