ConfigureChecks.cmake

   1 # ConfigureChecks.cmake
   2 #
   3 # Wireshark - Network traffic analyzer
   4 # By Gerald Combs <gerald@wireshark.org>
   5 # Copyright 1998 Gerald Combs
   6 #
   7 # This program is free software; you can redistribute it and/or
   8 # modify it under the terms of the GNU General Public License
   9 # as published by the Free Software Foundation; either version 2
  10 # of the License, or (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20 #
  21
  22 include(CMakePushCheckState)
  23
  24 #check system for includes
  25 include(CheckIncludeFile)
  26 check_include_file("arpa/inet.h"         HAVE_ARPA_INET_H)
  27 check_include_file("arpa/nameser.h"      HAVE_ARPA_NAMESER_H)
  28 check_include_file("dlfcn.h"             HAVE_DLFCN_H)
  29 check_include_file("fcntl.h"             HAVE_FCNTL_H)
  30 check_include_file("getopt.h"            HAVE_GETOPT_H)
  31 check_include_file("grp.h"               HAVE_GRP_H)
  32 check_include_file("ifaddrs.h"           HAVE_IFADDRS_H)
  33 check_include_file("inttypes.h"          HAVE_INTTYPES_H)
  34 check_include_file("netinet/in.h"        HAVE_NETINET_IN_H)
  35 check_include_file("netdb.h"             HAVE_NETDB_H)
  36 # We need to set the path to Wpdpack in order to find Ntddndis.h
  37 #cmake_push_check_state()
  38 #set(CMAKE_REQUIRED_INCLUDES ${PCAP_INCLUDE_DIRS})
  39 #check_include_file("Ntddndis.h"          HAVE_NTDDNDIS_H)
  40 #cmake_pop_check_state()
  41 check_include_file("portaudio.h"         HAVE_PORTAUDIO_H)
  42 check_include_file("pwd.h"               HAVE_PWD_H)
  43 check_include_file("stdint.h"            HAVE_STDINT_H)
  44 check_include_file("sys/ioctl.h"         HAVE_SYS_IOCTL_H)
  45 check_include_file("sys/param.h"         HAVE_SYS_PARAM_H)
  46 check_include_file("sys/socket.h"        HAVE_SYS_SOCKET_H)
  47 check_include_file("sys/sockio.h"        HAVE_SYS_SOCKIO_H)
  48 check_include_file("sys/stat.h"          HAVE_SYS_STAT_H)
  49 check_include_file("sys/time.h"          HAVE_SYS_TIME_H)
  50 check_include_file("sys/types.h"         HAVE_SYS_TYPES_H)
  51 check_include_file("sys/utsname.h"       HAVE_SYS_UTSNAME_H)
  52 check_include_file("sys/wait.h"          HAVE_SYS_WAIT_H)
  53 check_include_file("unistd.h"            HAVE_UNISTD_H)
  54 check_include_file("windows.h"           HAVE_WINDOWS_H)
  55 check_include_file("winsock2.h"          HAVE_WINSOCK2_H)
  56
  57 #
  58 # On Linux, check for some additional headers, which we need as a
  59 # workaround for a bonding driver bug and for libpcap's current lack
  60 # of its own workaround for that bug.
  61 #
  62 if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
  63         #
  64         # Those header files require <sys/socket.h>.
  65         #
  66         check_c_source_compiles(
  67                 "#include <sys/socket.h>
  68                 #include <linux/sockios.h>
  69                 int main(void)
  70                 {
  71                         return 0;
  72                 }"
  73                 HAVE_LINUX_SOCKIOS_H
  74         )
  75         check_c_source_compiles(
  76                 "#include <sys/socket.h>
  77                 #include <linux/if_bonding.h>
  78                 int main(void)
  79                 {
  80                         return 0;
  81                 }"
  82                 HAVE_LINUX_IF_BONDING_H
  83         )
  84 endif()
  85
  86 #Functions
  87 include(CheckFunctionExists)
  88 include(CheckSymbolExists)
  89 check_function_exists("chown"            HAVE_CHOWN)
  90
  91 cmake_push_check_state()
  92 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_DL_LIBS})
  93 check_function_exists("dladdr"           HAVE_DLADDR)
  94 cmake_pop_check_state()
  95
  96 #
  97 # Use check_symbol_exists just in case math.h does something magic
  98 # and there's not actually a function named floorl()
  99 #
 100 cmake_push_check_state()
 101 set(CMAKE_REQUIRED_INCLUDES ${M_INCLUDE_DIRS})
 102 set(CMAKE_REQUIRED_LIBRARIES ${M_LIBRARIES})
 103 check_symbol_exists("floorl" "math.h"    HAVE_FLOORL)
 104 check_symbol_exists("lrint"  "math.h"    HAVE_LRINT)
 105 cmake_pop_check_state()
 106
 107 check_function_exists("getopt_long"      HAVE_GETOPT_LONG)
 108 if(HAVE_GETOPT_LONG)
 109         if(HAVE_GETOPT_H)
 110                 check_symbol_exists("optreset" "getopt.h" HAVE_OPTRESET)
 111         else()
 112                 check_symbol_exists("optreset"           HAVE_OPTRESET)
 113         endif()
 114 endif()
 115 check_function_exists("getprotobynumber" HAVE_GETPROTOBYNUMBER)
 116 check_function_exists("getifaddrs"       HAVE_GETIFADDRS)
 117 check_function_exists("inet_aton"        HAVE_INET_ATON)
 118 check_function_exists("inet_ntop"        HAVE_INET_NTOP)
 119 check_function_exists("inet_pton"        HAVE_INET_PTON)
 120 check_function_exists("issetugid"        HAVE_ISSETUGID)
 121 check_function_exists("mkdtemp"          HAVE_MKDTEMP)
 122 check_function_exists("mkstemps"         HAVE_MKSTEMPS)
 123 check_function_exists("popcount"         HAVE_POPCOUNT)
 124 check_function_exists("setresgid"        HAVE_SETRESGID)
 125 check_function_exists("setresuid"        HAVE_SETRESUID)
 126 check_function_exists("strptime"         HAVE_STRPTIME)
 127 check_function_exists("sysconf"          HAVE_SYSCONF)
 128 if (APPLE)
 129         cmake_push_check_state()
 130         set(CMAKE_REQUIRED_LIBRARIES ${APPLE_CORE_FOUNDATION_LIBRARY})
 131         check_function_exists("CFPropertyListCreateWithStream" HAVE_CFPROPERTYLISTCREATEWITHSTREAM)
 132         cmake_pop_check_state()
 133 endif()
 134
 135 #Struct members
 136 include(CheckStructHasMember)
 137 check_struct_has_member("struct sockaddr" sa_len         sys/socket.h HAVE_STRUCT_SOCKADDR_SA_LEN)
 138 check_struct_has_member("struct stat"     st_flags       sys/stat.h   HAVE_STRUCT_STAT_ST_FLAGS)
 139 check_struct_has_member("struct stat"     st_birthtime   sys/stat.h   HAVE_STRUCT_STAT_ST_BIRTHTIME)
 140 check_struct_has_member("struct stat"     __st_birthtime sys/stat.h   HAVE_STRUCT_STAT___ST_BIRTHTIME)
 141 check_struct_has_member("struct tm"       tm_zone        time.h       HAVE_STRUCT_TM_TM_ZONE)
 142
 143 #Symbols but NOT enums or types
 144 check_symbol_exists(tzname "time.h" HAVE_TZNAME)
 145
 146 # Check for stuff that isn't testable via the tests above
 147
 148 #
 149 # *If* we found libnl, check if we can use nl80211 stuff with it.
 150 #
 151 if (NL_FOUND)
 152         check_c_source_compiles(
 153                 "#include <linux/nl80211.h>
 154                 int main() {
 155                         int x = NL80211_FREQUENCY_ATTR_MAX_TX_POWER;
 156                         x |= NL80211_ATTR_SUPPORTED_IFTYPES;
 157                         x |= NL80211_ATTR_SUPPORTED_COMMANDS;
 158                         x |= NL80211_ATTR_WIPHY_FREQ;
 159                         x |= NL80211_CHAN_NO_HT;
 160                         (void)x;
 161                 }"
 162                 HAVE_NL80211
 163         )
 164         check_c_source_compiles(
 165                 "#include <linux/nl80211.h>
 166                 int main() {
 167                         enum nl80211_commands x = NL80211_CMD_SET_CHANNEL;
 168                 }"
 169                 HAVE_NL80211_CMD_SET_CHANNEL
 170         )
 171         check_c_source_compiles(
 172                 "#include <linux/nl80211.h>
 173                 int main() {
 174                         enum nl80211_protocol_features x = NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP;
 175                 }"
 176                 HAVE_NL80211_SPLIT_WIPHY_DUMP
 177         )
 178         check_c_source_compiles(
 179                 "#include <linux/nl80211.h>
 180                 int main() {
 181                         enum nl80211_attrs x = NL80211_ATTR_VHT_CAPABILITY;
 182                 }"
 183                 HAVE_NL80211_VHT_CAPABILITY
 184         )
 185 endif()
 186
 187 #
 188 # Check whether GLib's printf supports thousands grouping. (This might
 189 # be different from the system's printf since GLib can optionally use
 190 # its own printf implementation.)
 191 #
 192 if (CMAKE_CROSSCOMPILING OR WIN32)
 193         #
 194         # Play it safe when cross-compiling.
 195         #
 196         # XXX - compiling and trying to run the test below appears
 197         # to loop infinitely on Windows, and the locale is wrong in
 198         # any case, so we don't do this on Window for now.
 199         #
 200         set(HAVE_GLIB_PRINTF_GROUPING FALSE)
 201 else()
 202         cmake_push_check_state()
 203         set(CMAKE_REQUIRED_INCLUDES ${GLIB2_INCLUDE_DIRS})
 204         set(CMAKE_REQUIRED_LIBRARIES ${GLIB2_LIBRARIES})
 205         check_c_source_runs(
 206                 "#include <glib.h>
 207                 #include <locale.h>
 208                 #include <stdio.h>
 209                 #include <string.h>
 210
 211                 int
 212                 main ()
 213                 {
 214                   gchar *str;
 215                   setlocale(LC_ALL, \"en_US.UTF-8\");
 216                   str = g_strdup_printf(\"%'u\", 123456);
 217                   return (strcmp (str, \"123,456\") != 0);
 218                 }" HAVE_GLIB_PRINTF_GROUPING)
 219         cmake_pop_check_state()
 220 endif()
 221
 222 #
 223 # Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 224 #
 225 # Local variables:
 226 # c-basic-offset: 8
 227 # tab-width: 8
 228 # indent-tabs-mode: t
 229 # End:
 230 #
 231 # vi: set shiftwidth=8 tabstop=8 noexpandtab:
 232 # :indentSize=8:tabSize=8:noTabs=false:
 233 #