release/src/router/dnscrypt/configure.ac

   1 AC_PREREQ([2.61])
   2 AC_INIT([dnscrypt-proxy],[1.3.0],[http://dnscrypt.org])
   3 AC_CONFIG_MACRO_DIR([m4])
   4 AC_CONFIG_AUX_DIR([libltdl/config])
   5 AC_CONFIG_SRCDIR([src/proxy/app.c])
   6 AC_CONFIG_HEADER([config.h])
   7 AC_CONFIG_SUBDIRS([src/libevent-modified src/libsodium])
   8 AC_CANONICAL_HOST
   9 AM_INIT_AUTOMAKE([1.9 dist-bzip2 tar-ustar])
  10 AM_MAINTAINER_MODE
  11 AM_DEP_TRACK
  12
  13 AC_SUBST(VERSION)
  14 ISODATE=`date +%Y-%m-%d`
  15 AC_SUBST(ISODATE)
  16
  17 LX_CFLAGS=${CFLAGS-NONE}
  18 AC_PROG_CC_C99
  19 AC_USE_SYSTEM_EXTENSIONS
  20 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
  21
  22 AX_CHECK_COMPILE_FLAG([-fPIC], [
  23   AX_CHECK_LINK_FLAG([-fPIC],
  24     [CFLAGS="$CFLAGS -fPIC"]
  25   )
  26 ])
  27
  28 AS_IF([test "$enable_pie" != "no"],[
  29   AX_CHECK_COMPILE_FLAG([-fPIE], [
  30     AX_CHECK_LINK_FLAG([-fPIE],
  31       [AX_CHECK_LINK_FLAG([-pie],
  32         [CFLAGS="$CFLAGS -fPIE"
  33          LDFLAGS="$LDFLAGS -pie"])
  34     ])
  35   ])
  36 ])
  37
  38 AX_CHECK_COMPILE_FLAG([-fwrapv], [CFLAGS="$CFLAGS -fwrapv"])
  39 AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"])
  40 AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"])
  41
  42 case $host_os in
  43   cygwin* | mingw* | pw32* | cegcc*)
  44     AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
  45     AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
  46   ;;
  47   dragonfly*)
  48     AX_CHECK_COMPILE_FLAG([-fstack-protector], [
  49       AX_CHECK_LINK_FLAG([-fstack-protector],
  50         [CFLAGS="$CFLAGS -fstack-protector"]
  51       )
  52     ])
  53   ;;
  54   *)
  55     AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [
  56       AX_CHECK_LINK_FLAG([-fstack-protector-all],
  57         [CFLAGS="$CFLAGS -fstack-protector-all"]
  58       )
  59     ])
  60   ;;
  61 esac
  62
  63 AX_CHECK_COMPILE_FLAG([-Winit-self], [CFLAGS="$CFLAGS -Winit-self"])
  64 AX_CHECK_COMPILE_FLAG([-Wwrite-strings], [CFLAGS="$CFLAGS -Wwrite-strings"])
  65 AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [CFLAGS="$CFLAGS -Wdiv-by-zero"])
  66 AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CFLAGS="$CFLAGS -Wsometimes-uninitialized"])
  67
  68 AC_ARG_VAR([CWFLAGS], [define to compilation flags for generating extra warnings])
  69
  70 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wall], [CWFLAGS="$CWFLAGS -Wall"])
  71 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wextra], [CWFLAGS="$CWFLAGS -Wextra"])
  72
  73 AC_MSG_CHECKING(for clang)
  74 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
  75 #ifndef __clang__
  76 be sad
  77 #endif
  78 ]])],
  79   [AC_MSG_RESULT(yes)
  80    AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-warning-option],
  81   [CWFLAGS="$CWFLAGS -Wno-unknown-warning-option"])],
  82   [AC_MSG_RESULT(no)
  83 ])
  84
  85 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wbad-function-cast], [CWFLAGS="$CWFLAGS -Wbad-function-cast"])
  86 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-align], [CWFLAGS="$CWFLAGS -Wcast-align"])
  87 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-qual], [CWFLAGS="$CWFLAGS -Wcast-qual"])
  88 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wchar-subscripts], [CWFLAGS="$CWFLAGS -Wchar-subscripts"])
  89 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcomment], [CWFLAGS="$CWFLAGS -Wcomment"])
  90 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wfloat-equal], [CWFLAGS="$CWFLAGS -Wfloat-equal"])
  91 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wformat=2], [CWFLAGS="$CWFLAGS -Wformat=2"])
  92 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wimplicit], [CWFLAGS="$CWFLAGS -Wimplicit"])
  93 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-declarations], [CWFLAGS="$CWFLAGS -Wmissing-declarations"])
  94 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-prototypes], [CWFLAGS="$CWFLAGS -Wmissing-prototypes"])
  95 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnormalized=id], [CWFLAGS="$CWFLAGS -Wnormalized=id"])
  96 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Woverride-init], [CWFLAGS="$CWFLAGS -Woverride-init"])
  97 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wparentheses], [CWFLAGS="$CWFLAGS -Wparentheses"])
  98 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wpointer-arith], [CWFLAGS="$CWFLAGS -Wpointer-arith"])
  99 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wredundant-decls], [CWFLAGS="$CWFLAGS -Wredundant-decls"])
 100 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wstrict-prototypes], [CWFLAGS="$CWFLAGS -Wstrict-prototypes"])
 101 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wswitch-enum], [CWFLAGS="$CWFLAGS -Wswitch-enum"])
 102 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wvariable-decl], [CWFLAGS="$CWFLAGS -Wvariable-decl"])
 103
 104 AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
 105 AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
 106 AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"])
 107
 108 LT_INIT
 109 AC_SUBST(LIBTOOL_DEPS)
 110
 111 AC_ARG_VAR([RONN], [path to the ronn text processor])
 112 AC_PATH_PROG([RONN], [ronn], [#])
 113
 114 AC_ARG_VAR([SIXJACK], [path to 6jack])
 115 AC_PATH_PROG([SIXJACK], [sixjack], [#])
 116
 117 AC_ARG_VAR([AR], [path to the ar utility])
 118 AC_CHECK_TOOL([AR], [ar], [ar])
 119
 120 case $host_os in
 121   darwin*)
 122     case $build_os in
 123       darwin*)
 124         AC_ARG_VAR([DTRACE], [path to dtrace if you have it])
 125         AC_PATH_PROG([DTRACE], [dtrace])
 126       ;;
 127     esac
 128   ;;
 129 esac
 130 AS_IF([test -n "$DTRACE"],[
 131   PROBES_SOURCE="probes_dnscrypt_proxy.h"
 132 ],[
 133   DTRACE="#"
 134   PROBES_SOURCE="probes_no_dtrace.h"
 135 ])
 136
 137 AS_IF([test -d /usr/local/include], [
 138   CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 139 ])
 140
 141 AS_IF([test -d /usr/local/lib], [
 142   LDFLAGS="$LDFLAGS -L/usr/local/lib"
 143 ])
 144
 145 dnl Checks for header files.
 146
 147 AC_SYS_LARGEFILE
 148 AC_CHECK_HEADERS([sys/cdefs.h sys/feature_tests.h])
 149 AC_CHECK_HEADERS([execinfo.h paths.h pwd.h uuid/uuid.h])
 150 AC_CHECK_HEADERS([sandbox.h])
 151
 152 dnl Checks for typedefs, structures, and compiler characteristics.
 153
 154 AC_C_BIGENDIAN
 155 AC_C_RESTRICT
 156
 157 AC_CHECK_TYPE([in_port_t], , [AC_DEFINE(in_port_t, uint16_t,
 158 [in_port_t type])],
 159 [
 160 #ifdef HAVE_UNISTD_H
 161 # include <unistd.h>
 162 #endif
 163 #include <sys/types.h>
 164 #include <sys/socket.h>
 165 #include <netinet/in.h>
 166 ])
 167
 168 AC_MSG_CHECKING([whether sin_len is defined])
 169 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 170 #include <stdio.h>
 171 #ifdef HAVE_UNISTD_H
 172 # include <unistd.h>
 173 #endif
 174 #include <sys/types.h>
 175 #include <sys/socket.h>
 176 #include <netinet/in.h>
 177 ]], [[
 178 do {
 179  struct sockaddr_in a;
 180  (void) a.sin_len;
 181 } while(0)
 182 ]])],[
 183   AC_MSG_RESULT(yes)
 184   AC_DEFINE(HAVE_SIN_LEN,[1],[define if you have sin_len])
 185 ],[
 186   AC_MSG_RESULT(no)
 187 ])
 188
 189 AC_MSG_CHECKING([whether __ss_family is defined])
 190 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 191 #include <stdio.h>
 192 #ifdef HAVE_UNISTD_H
 193 # include <unistd.h>
 194 #endif
 195 #include <sys/types.h>
 196 #include <sys/socket.h>
 197 ]], [[
 198 do {
 199  struct sockaddr_storage a;
 200  (void) a.__ss_family;
 201 } while(0)
 202 ]])],[
 203   AC_MSG_RESULT(yes)
 204   AC_DEFINE(HAVE___SS_FAMILY,[1],[define if you have __ss_family])
 205 ],[
 206   AC_MSG_RESULT(no)
 207 ])
 208
 209 AC_MSG_CHECKING([whether ss_len is defined])
 210 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 211 #include <stdio.h>
 212 #ifdef HAVE_UNISTD_H
 213 # include <unistd.h>
 214 #endif
 215 #include <sys/types.h>
 216 #include <sys/socket.h>
 217 ]], [[
 218 do {
 219  struct sockaddr_storage a;
 220  (void) a.ss_len;
 221 } while(0)
 222 ]])],[
 223   AC_MSG_RESULT(yes)
 224   AC_DEFINE(HAVE_SS_LEN,[1],[define if you have ss_len])
 225 ],[
 226   AC_MSG_RESULT(no)
 227 ])
 228
 229 AC_MSG_CHECKING([whether __ss_len is defined])
 230 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 231 #include <stdio.h>
 232 #ifdef HAVE_UNISTD_H
 233 # include <unistd.h>
 234 #endif
 235 #include <sys/types.h>
 236 #include <sys/socket.h>
 237 ]], [[
 238 do {
 239  struct sockaddr_storage a;
 240  (void) a.__ss_len;
 241 } while(0)
 242 ]])],[
 243   AC_MSG_RESULT(yes)
 244   AC_DEFINE(HAVE___SS_LEN,[1],[define if you have __ss_len])
 245 ],[
 246   AC_MSG_RESULT(no)
 247 ])
 248
 249 dnl Checks for library functions.
 250
 251 AC_SEARCH_LIBS(pow, [m])
 252 AC_SEARCH_LIBS(dlopen, [dl])
 253 AC_SEARCH_LIBS(clock_gettime, [rt],
 254   [AC_DEFINE(HAVE_CLOCK_GETTIME,[1],[define if you have clock_gettime()])])
 255
 256 AC_SEARCH_LIBS(backtrace, [execinfo],
 257   [AC_DEFINE(HAVE_BACKTRACE,[1],[define if you have backtrace()])])
 258
 259 AC_SEARCH_LIBS(gethostbyname, [resolv nsl])
 260 AC_SEARCH_LIBS(recvfrom, [socket])
 261 AC_SEARCH_LIBS(kvm_open, [kvm])
 262 AC_SEARCH_LIBS(sodium_init, [sodium])
 263
 264 AM_CONDITIONAL(USE_BUILTIN_LIBSODIUM, test x$ac_cv_search_sodium_init = xno)
 265
 266 use_ldns=no
 267 AC_CHECK_HEADER([ldns/ldns.h], [
 268   AC_CHECK_LIB(ldns, ldns_wire2pkt, [
 269     AC_DEFINE(USE_LDNS,[1],[define to use the ldns library])
 270     LDNS_LIBS=-lldns
 271     use_ldns=yes
 272   ])
 273 ], [ ],
 274 [#include <stdlib.h>
 275  #include <stdint.h>])
 276 AM_CONDITIONAL(USE_LDNS, test x$use_ldns = xyes)
 277 AC_SUBST([LDNS_LIBS])
 278
 279 case $host_os in
 280   cygwin* | mingw* | pw32* | cegcc*)
 281     AC_CHECK_LIB([ws2_32], [_head_libws2_32_a])
 282     AC_CHECK_LIB([psapi], [_head_libpsapi_a])
 283     AC_CHECK_LIB([iphlpapi], [_head_libiphlpapi_a])
 284   ;;
 285 esac
 286
 287 AC_CHECK_HEADER([CoreServices/CoreServices.h],
 288   [LIBS="$LIBS -framework CoreFoundation -framework CoreServices"])
 289
 290 AC_CHECK_FUNCS([getpwnam sandbox_init setrlimit putc_unlocked])
 291
 292 dnl Switches.
 293
 294 AC_ARG_ENABLE(pie,
 295 [AS_HELP_STRING(--enable-pie,Produce position independent executables @<:@default=yes@:>@)],
 296  enable_pie=$enableval, enable_pie="maybe")
 297
 298 AC_ARG_ENABLE(ssp,
 299 [AS_HELP_STRING(--disable-ssp,Don't compile with -fstack-protector)],
 300 [AS_IF([test "x$enableval" = "xno"], [
 301     nxflags=""
 302     for flag in `echo $CFLAGS`; do
 303       case "$flag" in
 304        -fstack-protector*) ;;
 305         *) AS_VAR_APPEND([nxflags], [" $flag"]) ;;
 306       esac
 307     done
 308     CFLAGS="$nxflags"
 309   ])
 310 ])
 311
 312 plugins=disabled
 313 AC_ARG_ENABLE(plugins,
 314 [AS_HELP_STRING(--enable-plugins,Enable support for plugins - experimental)],
 315 [CPPFLAGS="$CPPFLAGS -DPLUGINS=1"
 316  plugins=enabled])
 317 AM_CONDITIONAL(PLUGINS, test x$plugins = xenabled)
 318
 319 relaxed_plugins_permissions=disabled
 320 AC_ARG_ENABLE(relaxed-plugins-permissions,
 321 [AS_HELP_STRING(--enable-relaxed-plugins-permissions,Allow loading plugins owned by other users)],
 322 [CPPFLAGS="$CPPFLAGS -DRELAXED_PLUGINS_PERMISSIONS=1"
 323  relaxed_plugins_permissions=enabled])
 324 AM_CONDITIONAL(RELAXED_PLUGINS_PERMISSIONS, test x$relaxed_plugins_permissions = xenabled)
 325
 326 plugins_root=disabled
 327 AC_ARG_ENABLE(plugins-root,
 328 [AS_HELP_STRING(--enable-plugins-root,Only load plugins sitting in the default plugins directory)],
 329 [CPPFLAGS="$CPPFLAGS -DENABLE_PLUGINS_ROOT=1"
 330  plugins_root=enabled])
 331 AM_CONDITIONAL(ENABLE_PLUGINS_ROOT, test x$plugins_root = xenabled)
 332
 333 AC_ARG_ENABLE(blocking-random,
 334 [AS_HELP_STRING(--enable-blocking-random,Use /dev/random instead of /dev/urandom)],
 335 [AC_DEFINE([USE_BLOCKING_RANDOM], [1], [Use blocking random])])
 336
 337 AC_ARG_ENABLE(debug,
 338 [AS_HELP_STRING(--enable-debug,For maintainers only - please do not use)],
 339 [
 340   AS_IF([test "x$LX_CFLAGS" = "xNONE"], [
 341     nxflags=""
 342     for flag in `echo $CFLAGS`; do
 343       case "$flag" in
 344         -O*) ;;
 345         -g*) ;;
 346         *) AS_VAR_APPEND([nxflags], [" $flag"]) ;;
 347       esac
 348     done
 349     CFLAGS="$nxflags -O0 -g3"
 350   ])
 351   CPPFLAGS="$CPPFLAGS -DDEBUG=1"
 352 ])
 353
 354 AC_ARG_WITH(safecode,
 355 [AS_HELP_STRING(--with-safecode,For maintainers only - please do not use)],
 356 [AS_IF([test "x$withval" = "xyes"], [
 357     AC_ARG_VAR([SAFECODE_HOME], [set to the safecode base directory])
 358     : ${SAFECODE_HOME:=/opt/safecode}
 359     LDFLAGS="$LDFLAGS -L${SAFECODE_HOME}/lib"
 360     LIBS="$LIBS -lsc_dbg_rt -lpoolalloc_bitmap -lstdc++"
 361     CFLAGS="$CFLAGS -fmemsafety"
 362   ])
 363 ])
 364
 365 AC_SUBST([MAINT])
 366 AC_SUBST([PROBES_SOURCE])
 367
 368 dnl Libtool.
 369
 370 LT_INIT([dlopen])
 371 LT_CONFIG_LTDL_DIR([libltdl])
 372 LTDL_INIT
 373
 374 dnl Subconfig.
 375
 376 case $host_os in
 377   cygwin* | mingw* | pw32* | cegcc*) ;;
 378   *) ac_configure_args="$ac_configure_args --disable-thread-support" ;;
 379 esac
 380
 381 ac_configure_args="$ac_configure_args --disable-dependency-tracking"
 382 ac_configure_args="$ac_configure_args --disable-libevent-install"
 383 ac_configure_args="$ac_configure_args --disable-openssl"
 384 ac_configure_args="$ac_configure_args --disable-shared"
 385 ac_configure_args="$ac_configure_args --enable-function-sections"
 386 export CC
 387 export CFLAGS
 388 export CPP
 389 export CPPFLAGS
 390 export LDFLAGS
 391 export LIBS
 392
 393 dnl Output.
 394
 395 AH_VERBATIM([NDEBUG], [/* Never ever ignore assertions */
 396 #ifdef NDEBUG
 397 #/**/undef/**/ NDEBUG
 398 #endif])
 399
 400 AC_CONFIG_FILES([Makefile
 401                  dist-build/Makefile
 402                  man/Makefile
 403                  src/Makefile
 404                  src/hostip/Makefile
 405                  src/proxy/Makefile
 406                  src/ext/Makefile
 407                  src/include/Makefile
 408                  src/include/dnscrypt/version.h
 409                  src/plugins/Makefile
 410                  src/plugins/example/Makefile
 411                  src/plugins/example-ldns-forward-after-nxdomain/Makefile
 412                  src/plugins/example-logging/Makefile
 413                  src/plugins/example-ldns-aaaa-blocking/Makefile
 414                  src/plugins/example-ldns-blocking/Makefile
 415                  src/plugins/example-ldns-opendns-deviceid/Makefile
 416                  src/plugins/example-ldns-opendns-set-client-ip/Makefile
 417                  test/Makefile])
 418
 419 AC_OUTPUT