configure.in

   1 AC_PREREQ([2.67])
   2 AC_INIT([cryptsetup],[1.2.0])
   3
   4 dnl library version from <major>.<minor>.<release>[-<suffix>]
   5 LIBCRYPTSETUP_VERSION=$(echo $PACKAGE_VERSION | cut -f1 -d-)
   6 LIBCRYPTSETUP_VERSION_INFO=1:0:0
   7
   8 AC_CONFIG_SRCDIR(src/cryptsetup.c)
   9 AC_CONFIG_MACRO_DIR([m4])
  10
  11 AC_CONFIG_HEADERS([config.h:config.h.in])
  12 AM_INIT_AUTOMAKE(dist-bzip2)
  13
  14 if test "x$prefix" = "xNONE"; then
  15         sysconfdir=/etc
  16 fi
  17 AC_PREFIX_DEFAULT(/usr)
  18
  19 AC_CANONICAL_HOST
  20 AC_USE_SYSTEM_EXTENSIONS
  21 AC_PROG_CC
  22 AM_PROG_CC_C_O
  23 AC_PROG_CPP
  24 AC_PROG_INSTALL
  25 AC_PROG_MAKE_SET
  26 AC_ENABLE_STATIC(no)
  27 LT_INIT
  28
  29 AC_HEADER_DIRENT
  30 AC_HEADER_STDC
  31 AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h sys/ioctl.h sys/mman.h \
  32         ctype.h unistd.h locale.h)
  33
  34 AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR('You need the uuid library')])
  35 AC_CHECK_HEADER(libdevmapper.h,,[AC_MSG_ERROR('You need the device-mapper library')])
  36
  37 saved_LIBS=$LIBS
  38 AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR('You need the uuid library')])
  39 AC_SUBST(UUID_LIBS, $LIBS)
  40 LIBS=$saved_LIBS
  41
  42
  43 AM_PATH_LIBGCRYPT(1.1.42,,[AC_MSG_ERROR('You need the gcrypt library')])
  44
  45 AC_CHECK_FUNCS([posix_memalign])
  46
  47 AC_C_CONST
  48 AC_C_BIGENDIAN
  49 AC_TYPE_OFF_T
  50 AC_SYS_LARGEFILE
  51
  52 AC_PROG_GCC_TRADITIONAL
  53
  54 dnl ==========================================================================
  55
  56 AM_GNU_GETTEXT([external],[need-ngettext])
  57 AM_GNU_GETTEXT_VERSION([0.15])
  58
  59 dnl ==========================================================================
  60
  61 saved_LIBS=$LIBS
  62 AC_CHECK_LIB(popt, poptConfigFileToString,,
  63         [AC_MSG_ERROR([You need popt 1.7 or newer to compile.])])
  64 AC_SUBST(POPT_LIBS, $LIBS)
  65 LIBS=$saved_LIBS
  66
  67 dnl ==========================================================================
  68 saved_LIBS=$LIBS
  69
  70 AC_ARG_ENABLE([static-cryptsetup],
  71         AS_HELP_STRING([--enable-static-cryptsetup],
  72         [enable build of static cryptsetup binary]), [
  73         if test x$enable_static = xno; then
  74                 AC_MSG_WARN([Requested static cryptsetup build, enabling static library.])
  75                 enable_static=yes
  76         fi
  77         enable_static_cryptsetup=yes])
  78 AM_CONDITIONAL(STATIC_CRYPTSETUP, test x$enable_static_cryptsetup = xyes)
  79
  80 AC_ARG_ENABLE(selinux,
  81         AS_HELP_STRING([--disable-selinux],
  82         [disable selinux support [default=auto]]),[], [])
  83
  84 AC_ARG_ENABLE([udev],
  85         AS_HELP_STRING([--disable-udev],
  86         [disable udev support]),[], enable_udev=yes)
  87
  88 dnl Try to use pkg-config for devmapper, but fallback to old detection
  89 PKG_CHECK_MODULES([DEVMAPPER], [devmapper >= 1.02.03],, [
  90         AC_CHECK_LIB(devmapper, dm_task_set_name,,
  91                 [AC_MSG_ERROR([You need the device-mapper library.])])
  92         AC_CHECK_LIB(devmapper, dm_task_set_message,,
  93                 [AC_MSG_ERROR([The device-mapper library on your system is too old.])])
  94         DEVMAPPER_LIBS=$LIBS
  95 ])
  96 LIBS=$saved_LIBS
  97
  98 LIBS="$LIBS $DEVMAPPER_LIBS"
  99 AC_CHECK_DECLS([DM_UDEV_DISABLE_DISK_RULES_FLAG], [have_cookie=yes], [have_cookie=no], [#include <libdevmapper.h>])
 100 if test "x$enable_udev" = xyes; then
 101         if test "x$have_cookie" = xno; then
 102                 AC_MSG_WARN([The device-mapper library on your system has no udev support, udev support disabled.])
 103         else
 104                 AC_DEFINE(USE_UDEV, 1, [Try to use udev synchronisation?])
 105         fi
 106 fi
 107 LIBS=$saved_LIBS
 108
 109 dnl Magic for cryptsetup.static build.
 110 if test x$enable_static_cryptsetup = xyes; then
 111         saved_PKG_CONFIG=$PKG_CONFIG
 112         PKG_CONFIG="$PKG_CONFIG --static"
 113
 114         LIBS="$saved_LIBS $LIBGCRYPT_LIBS -static"
 115         AC_CHECK_LIB(gcrypt, gcry_check_version,,
 116                 AC_MSG_ERROR([Cannot find static gcrypt library.]),
 117                 [-lgpg-error])
 118         LIBGCRYPT_STATIC_LIBS="$LIBGCRYPT_LIBS -lgpg-error"
 119
 120         LIBS="$saved_LIBS -static"
 121         AC_CHECK_LIB(popt, poptGetContext,,
 122                 AC_MSG_ERROR([Cannot find static popt library.]))
 123
 124         dnl Try to detect needed device-mapper static libraries, try pkg-config first.
 125         LIBS="$saved_LIBS -static"
 126         PKG_CHECK_MODULES([DEVMAPPER_STATIC], [devmapper >= 1.02.27],,[
 127                 DEVMAPPER_STATIC_LIBS=$DEVMAPPER_LIBS
 128                 if test "x$enable_selinux" != xno; then
 129                         AC_CHECK_LIB(sepol, sepol_bool_set)
 130                         AC_CHECK_LIB(selinux, is_selinux_enabled)
 131                         DEVMAPPER_STATIC_LIBS="$DEVMAPPER_STATIC_LIBS $LIBS"
 132                 fi
 133         ])
 134         LIBS="$saved_LIBS $DEVMAPPER_STATIC_LIBS"
 135         AC_CHECK_LIB(devmapper, dm_task_set_uuid,,
 136                 AC_MSG_ERROR([Cannot link with static device-mapper library.]))
 137
 138         LIBS=$saved_LIBS
 139         PKG_CONFIG=$saved_PKG_CONFIG
 140 fi
 141
 142 AC_SUBST([DEVMAPPER_LIBS])
 143 AC_SUBST([DEVMAPPER_STATIC_LIBS])
 144 AC_SUBST([LIBGCRYPT_STATIC_LIBS])
 145 AC_SUBST([LIBCRYPTSETUP_VERSION])
 146 AC_SUBST([LIBCRYPTSETUP_VERSION_INFO])
 147
 148 dnl ==========================================================================
 149 AC_ARG_ENABLE([dev-random], AS_HELP_STRING([--enable-dev-random],
 150 [use blocking /dev/random by default for key generator (otherwise use /dev/urandom)]),
 151 [default_rng=/dev/random], [default_rng=/dev/urandom])
 152 AC_DEFINE_UNQUOTED(DEFAULT_RNG, ["$default_rng"], [default RNG type for key generator])
 153
 154 dnl ==========================================================================
 155 AC_DEFUN([CS_DEFINE],
 156         [AC_DEFINE_UNQUOTED(DEFAULT_[]m4_translit([$1], [-a-z], [_A-Z]), [$2], [$3])
 157 ])
 158
 159 AC_DEFUN([CS_STR_WITH], [AC_ARG_WITH([$1],
 160         [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
 161         [CS_DEFINE([$1], ["$withval"], [$2])],
 162         [CS_DEFINE([$1], ["$3"], [$2])]
 163 )])
 164
 165 AC_DEFUN([CS_NUM_WITH], [AC_ARG_WITH([$1],
 166         [AS_HELP_STRING(--with-[$1], [default $2 [$3]])],
 167         [CS_DEFINE([$1], [$withval], [$2])],
 168         [CS_DEFINE([$1], [$3], [$2])]
 169 )])
 170
 171 CS_STR_WITH([plain-hash],   [password hashing function for plain mode], [ripemd160])
 172 CS_STR_WITH([plain-cipher], [cipher for plain mode], [aes])
 173 CS_STR_WITH([plain-mode],   [cipher mode for plain mode], [cbc-essiv:sha256])
 174 CS_NUM_WITH([plain-keybits],[key length in bits for plain mode], [256])
 175
 176 CS_STR_WITH([luks1-hash],   [hash function for LUKS1 header], [sha1])
 177 CS_STR_WITH([luks1-cipher], [cipher for LUKS1], [aes])
 178 CS_STR_WITH([luks1-mode],   [cipher mode for LUKS1], [cbc-essiv:sha256])
 179 CS_NUM_WITH([luks1-keybits],[key length in bits for LUKS1], [256])
 180
 181
 182 dnl ==========================================================================
 183
 184 AC_CONFIG_FILES([ Makefile
 185 lib/Makefile
 186 lib/libcryptsetup.pc
 187 lib/luks1/Makefile
 188 src/Makefile
 189 po/Makefile.in
 190 man/Makefile
 191 tests/Makefile
 192 ])
 193 AC_OUTPUT