AC_PREREQ([2.67]) AC_INIT([cryptsetup],[1.3.1-cvs]) dnl library version from ..[-] LIBCRYPTSETUP_VERSION=$(echo $PACKAGE_VERSION | cut -f1 -d-) LIBCRYPTSETUP_VERSION_INFO=3:0:2 AC_CONFIG_SRCDIR(src/cryptsetup.c) AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_HEADERS([config.h:config.h.in]) AM_INIT_AUTOMAKE(dist-bzip2) if test "x$prefix" = "xNONE"; then sysconfdir=/etc fi AC_PREFIX_DEFAULT(/usr) AC_CANONICAL_HOST AC_USE_SYSTEM_EXTENSIONS AC_PROG_CC AM_PROG_CC_C_O AC_PROG_CPP AC_PROG_INSTALL AC_PROG_MAKE_SET AC_ENABLE_STATIC(no) LT_INIT AC_HEADER_DIRENT AC_HEADER_STDC AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h sys/ioctl.h sys/mman.h \ ctype.h unistd.h locale.h) AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR('You need the uuid library')]) AC_CHECK_HEADER(libdevmapper.h,,[AC_MSG_ERROR('You need the device-mapper library')]) saved_LIBS=$LIBS AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR('You need the uuid library')]) AC_SUBST(UUID_LIBS, $LIBS) LIBS=$saved_LIBS AC_CHECK_FUNCS([posix_memalign]) AC_C_CONST AC_C_BIGENDIAN AC_TYPE_OFF_T AC_SYS_LARGEFILE AC_PROG_GCC_TRADITIONAL dnl ========================================================================== AM_GNU_GETTEXT([external],[need-ngettext]) AM_GNU_GETTEXT_VERSION([0.15]) dnl ========================================================================== saved_LIBS=$LIBS AC_CHECK_LIB(popt, poptConfigFileToString,, [AC_MSG_ERROR([You need popt 1.7 or newer to compile.])]) AC_SUBST(POPT_LIBS, $LIBS) LIBS=$saved_LIBS dnl ========================================================================== dnl Crypto backend functions AC_DEFUN([CONFIGURE_GCRYPT], [ AM_PATH_LIBGCRYPT(1.1.42,,[AC_MSG_ERROR('You need the gcrypt library')]) if test x$enable_static_cryptsetup = xyes; then saved_LIBS=$LIBS LIBS="$saved_LIBS $LIBGCRYPT_LIBS -static" AC_CHECK_LIB(gcrypt, gcry_check_version,, AC_MSG_ERROR([Cannot find static gcrypt library.]), [-lgpg-error]) LIBGCRYPT_STATIC_LIBS="$LIBGCRYPT_LIBS -lgpg-error" LIBS=$saved_LIBS fi CRYPTO_CFLAGS=$LIBGCRYPT_CFLAGS CRYPTO_LIBS=$LIBGCRYPT_LIBS CRYPTO_STATIC_LIBS=$LIBGCRYPT_STATIC_LIBS ]) AC_DEFUN([CONFIGURE_OPENSSL], [ PKG_CHECK_MODULES([OPENSSL], [openssl >= 0.9.8],, AC_MSG_ERROR('You need openssl library')) CRYPTO_CFLAGS=$OPENSSL_CFLAGS CRYPTO_LIBS=$OPENSSL_LIBS if test x$enable_static_cryptsetup = xyes; then saved_PKG_CONFIG=$PKG_CONFIG PKG_CONFIG="$PKG_CONFIG --static" PKG_CHECK_MODULES([OPENSSL], [openssl]) CRYPTO_STATIC_LIBS=$OPENSSL_LIBS PKG_CONFIG=$saved_PKG_CONFIG fi ]) AC_DEFUN([CONFIGURE_NSS], [ if test x$enable_static_cryptsetup = xyes; then AC_MSG_ERROR([Static build of cryptsetup is not supported with NSS.]), fi AC_MSG_WARN([NSS backend does NOT provide backward compatibility (missing ripemd160 hash).]) PKG_CHECK_MODULES([NSS], [nss],, AC_MSG_ERROR('You need nss library')) CRYPTO_CFLAGS=$NSS_CFLAGS CRYPTO_LIBS=$NSS_LIBS ]) AC_DEFUN([CONFIGURE_KERNEL], [ AC_CHECK_HEADERS(linux/if_alg.h,, [AC_MSG_ERROR('You need Linux kernel with userspace crypto interface.')]) # AC_CHECK_DECLS([AF_ALG],, # [AC_MSG_ERROR('You need Linux kernel with userspace crypto interface.')], # [#include ]) ]) AC_DEFUN([CONFIGURE_NETTLE], [ AC_CHECK_HEADERS(nettle/sha.h,, [AC_MSG_ERROR('You need Nettle cryptographic library.')]) saved_LIBS=$LIBS AC_CHECK_LIB(nettle, nettle_sha512_init,, [AC_MSG_ERROR('You need Nettle library version 2.1 or more recent.')]) CRYPTO_LIBS=$LIBS LIBS=$saved_LIBS AC_MSG_WARN([Nettle backend does NOT provide backward compatibility (missing ripemd160 hash).]) CRYPTO_STATIC_LIBS=$CRYPTO_LIBS ]) dnl ========================================================================== saved_LIBS=$LIBS AC_ARG_ENABLE([static-cryptsetup], AS_HELP_STRING([--enable-static-cryptsetup], [enable build of static cryptsetup binary])) if test x$enable_static_cryptsetup = xyes; then if test x$enable_static = xno; then AC_MSG_WARN([Requested static cryptsetup build, enabling static library.]) enable_static=yes fi fi AM_CONDITIONAL(STATIC_CRYPTSETUP, test x$enable_static_cryptsetup = xyes) AC_ARG_ENABLE(selinux, AS_HELP_STRING([--disable-selinux], [disable selinux support [default=auto]]),[], []) AC_ARG_ENABLE([udev], AS_HELP_STRING([--disable-udev], [disable udev support]),[], enable_udev=yes) dnl Try to use pkg-config for devmapper, but fallback to old detection PKG_CHECK_MODULES([DEVMAPPER], [devmapper >= 1.02.03],, [ AC_CHECK_LIB(devmapper, dm_task_set_name,, [AC_MSG_ERROR([You need the device-mapper library.])]) AC_CHECK_LIB(devmapper, dm_task_set_message,, [AC_MSG_ERROR([The device-mapper library on your system is too old.])]) DEVMAPPER_LIBS=$LIBS ]) LIBS=$saved_LIBS LIBS="$LIBS $DEVMAPPER_LIBS" AC_CHECK_DECLS([dm_task_secure_data], [], [], [#include ]) AC_CHECK_DECLS([DM_UDEV_DISABLE_DISK_RULES_FLAG], [have_cookie=yes], [have_cookie=no], [#include ]) if test "x$enable_udev" = xyes; then if test "x$have_cookie" = xno; then AC_MSG_WARN([The device-mapper library on your system has no udev support, udev support disabled.]) else AC_DEFINE(USE_UDEV, 1, [Try to use udev synchronisation?]) fi fi LIBS=$saved_LIBS dnl Crypto backend configuration. AC_ARG_WITH([crypto_backend], AS_HELP_STRING([--with-crypto_backend=BACKEND], [crypto backend (gcrypt/openssl/nss/kernel/nettle) [gcrypt]]), [], with_crypto_backend=gcrypt ) case $with_crypto_backend in gcrypt) CONFIGURE_GCRYPT([]) ;; openssl) CONFIGURE_OPENSSL([]) ;; nss) CONFIGURE_NSS([]) ;; kernel) CONFIGURE_KERNEL([]) ;; nettle) CONFIGURE_NETTLE([]) ;; *) AC_MSG_ERROR([Unknown crypto backend.]) ;; esac AM_CONDITIONAL(CRYPTO_BACKEND_GCRYPT, test $with_crypto_backend = gcrypt) AM_CONDITIONAL(CRYPTO_BACKEND_OPENSSL, test $with_crypto_backend = openssl) AM_CONDITIONAL(CRYPTO_BACKEND_NSS, test $with_crypto_backend = nss) AM_CONDITIONAL(CRYPTO_BACKEND_KERNEL, test $with_crypto_backend = kernel) AM_CONDITIONAL(CRYPTO_BACKEND_NETTLE, test $with_crypto_backend = nettle) dnl Magic for cryptsetup.static build. if test x$enable_static_cryptsetup = xyes; then saved_PKG_CONFIG=$PKG_CONFIG PKG_CONFIG="$PKG_CONFIG --static" LIBS="$saved_LIBS -static" AC_CHECK_LIB(popt, poptGetContext,, AC_MSG_ERROR([Cannot find static popt library.])) dnl Try to detect needed device-mapper static libraries, try pkg-config first. LIBS="$saved_LIBS -static" PKG_CHECK_MODULES([DEVMAPPER_STATIC], [devmapper >= 1.02.27],,[ DEVMAPPER_STATIC_LIBS=$DEVMAPPER_LIBS if test "x$enable_selinux" != xno; then AC_CHECK_LIB(sepol, sepol_bool_set) AC_CHECK_LIB(selinux, is_selinux_enabled) DEVMAPPER_STATIC_LIBS="$DEVMAPPER_STATIC_LIBS $LIBS" fi ]) LIBS="$saved_LIBS $DEVMAPPER_STATIC_LIBS" AC_CHECK_LIB(devmapper, dm_task_set_uuid,, AC_MSG_ERROR([Cannot link with static device-mapper library.])) LIBS=$saved_LIBS PKG_CONFIG=$saved_PKG_CONFIG fi AC_SUBST([DEVMAPPER_LIBS]) AC_SUBST([DEVMAPPER_STATIC_LIBS]) AC_SUBST([CRYPTO_CFLAGS]) AC_SUBST([CRYPTO_LIBS]) AC_SUBST([CRYPTO_STATIC_LIBS]) AC_SUBST([LIBCRYPTSETUP_VERSION]) AC_SUBST([LIBCRYPTSETUP_VERSION_INFO]) dnl ========================================================================== AC_ARG_ENABLE([dev-random], AS_HELP_STRING([--enable-dev-random], [use blocking /dev/random by default for key generator (otherwise use /dev/urandom)]), [default_rng=/dev/random], [default_rng=/dev/urandom]) AC_DEFINE_UNQUOTED(DEFAULT_RNG, ["$default_rng"], [default RNG type for key generator]) dnl ========================================================================== AC_DEFUN([CS_DEFINE], [AC_DEFINE_UNQUOTED(DEFAULT_[]m4_translit([$1], [-a-z], [_A-Z]), [$2], [$3]) ]) AC_DEFUN([CS_STR_WITH], [AC_ARG_WITH([$1], [AS_HELP_STRING(--with-[$1], [default $2 [$3]])], [CS_DEFINE([$1], ["$withval"], [$2])], [CS_DEFINE([$1], ["$3"], [$2])] )]) AC_DEFUN([CS_NUM_WITH], [AC_ARG_WITH([$1], [AS_HELP_STRING(--with-[$1], [default $2 [$3]])], [CS_DEFINE([$1], [$withval], [$2])], [CS_DEFINE([$1], [$3], [$2])] )]) CS_STR_WITH([plain-hash], [password hashing function for plain mode], [ripemd160]) CS_STR_WITH([plain-cipher], [cipher for plain mode], [aes]) CS_STR_WITH([plain-mode], [cipher mode for plain mode], [cbc-essiv:sha256]) CS_NUM_WITH([plain-keybits],[key length in bits for plain mode], [256]) CS_STR_WITH([luks1-hash], [hash function for LUKS1 header], [sha1]) CS_STR_WITH([luks1-cipher], [cipher for LUKS1], [aes]) CS_STR_WITH([luks1-mode], [cipher mode for LUKS1], [cbc-essiv:sha256]) CS_NUM_WITH([luks1-keybits],[key length in bits for LUKS1], [256]) CS_STR_WITH([loopaes-cipher], [cipher for loop-AES mode], [aes]) CS_NUM_WITH([loopaes-keybits],[key length in bits for loop-AES mode], [256]) CS_NUM_WITH([keyfile-size-maxkb],[maximum keyfile size (in kilobytes)], [8192]) CS_NUM_WITH([passphrase-size-max],[maximum keyfile size (in kilobytes)], [512]) dnl ========================================================================== AC_CONFIG_FILES([ Makefile lib/Makefile lib/libcryptsetup.pc lib/crypto_backend/Makefile lib/luks1/Makefile lib/loopaes/Makefile src/Makefile po/Makefile.in man/Makefile tests/Makefile ]) AC_OUTPUT