1# dnscrypt.m4 2 3# dnsc_DNSCRYPT([action-if-true], [action-if-false]) 4# -------------------------------------------------------------------------- 5# Check for required dnscrypt libraries and add dnscrypt configure args. 6AC_DEFUN([dnsc_DNSCRYPT], 7[ 8 AC_ARG_ENABLE([dnscrypt], 9 AS_HELP_STRING([--enable-dnscrypt], 10 [Enable dnscrypt support (requires libsodium)]), 11 [opt_dnscrypt=$enableval], [opt_dnscrypt=no]) 12 13 if test "x$opt_dnscrypt" != "xno"; then 14 AC_ARG_WITH([libsodium], AS_HELP_STRING([--with-libsodium=path], 15 [Path where libsodium is installed, for dnscrypt]), [ 16 CFLAGS="$CFLAGS -I$withval/include" 17 LDFLAGS="$LDFLAGS -L$withval/lib" 18 ]) 19 AC_SEARCH_LIBS([sodium_init], [sodium], [], 20 AC_MSG_ERROR([The sodium library was not found. Please install sodium!])) 21 AC_SEARCH_LIBS([crypto_box_curve25519xchacha20poly1305_beforenm], [sodium], 22 [ 23 AC_SUBST([ENABLE_DNSCRYPT_XCHACHA20], [1]) 24 AC_DEFINE( 25 [USE_DNSCRYPT_XCHACHA20], [1], 26 [Define to 1 to enable dnscrypt with xchacha20 support]) 27 ], 28 [ 29 AC_SUBST([ENABLE_DNSCRYPT_XCHACHA20], [0]) 30 ]) 31 AC_SEARCH_LIBS([sodium_set_misuse_handler], [sodium], 32 [ 33 AC_DEFINE( 34 [SODIUM_MISUSE_HANDLER], [1], 35 [Define to 1 if libsodium supports sodium_set_misuse_handler]) 36 ], 37 [ 38 ]) 39 $1 40 else 41 AC_SUBST([ENABLE_DNSCRYPT_XCHACHA20], [0]) 42 $2 43 fi 44]) 45