Look for and use gethostbyname() if we don't have getaddrinfo(). Fail to
[jlayton/wireshark.git] / 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("inttypes.h"          HAVE_INTTYPES_H)
33 check_include_file("netinet/in.h"        HAVE_NETINET_IN_H)
34 check_include_file("netdb.h"             HAVE_NETDB_H)
35 # We need to set the path to Wpdpack in order to find Ntddndis.h
36 #cmake_push_check_state()
37 #set(CMAKE_REQUIRED_INCLUDES %{PCAP_INCLUDE_DIRS})
38 #check_include_file("Ntddndis.h"          HAVE_NTDDNDIS_H)
39 #cmake_pop_check_state()
40 check_include_file("portaudio.h"         HAVE_PORTAUDIO_H)
41 check_include_file("pwd.h"               HAVE_PWD_H)
42 check_include_file("stdint.h"            HAVE_STDINT_H)
43 check_include_file("sys/ioctl.h"         HAVE_SYS_IOCTL_H)
44 check_include_file("sys/param.h"         HAVE_SYS_PARAM_H)
45 check_include_file("sys/socket.h"        HAVE_SYS_SOCKET_H)
46 check_include_file("sys/sockio.h"        HAVE_SYS_SOCKIO_H)
47 check_include_file("sys/stat.h"          HAVE_SYS_STAT_H)
48 check_include_file("sys/time.h"          HAVE_SYS_TIME_H)
49 check_include_file("sys/types.h"         HAVE_SYS_TYPES_H)
50 check_include_file("sys/utsname.h"       HAVE_SYS_UTSNAME_H)
51 check_include_file("sys/wait.h"          HAVE_SYS_WAIT_H)
52 check_include_file("unistd.h"            HAVE_UNISTD_H)
53 check_include_file("windows.h"           HAVE_WINDOWS_H)
54 check_include_file("winsock2.h"          HAVE_WINSOCK2_H)
55
56 #Functions
57 include(CheckFunctionExists)
58 include(CheckSymbolExists)
59 check_function_exists("chown"            HAVE_CHOWN)
60
61 cmake_push_check_state()
62 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_DL_LIBS})
63 check_function_exists("dladdr"           HAVE_DLADDR)
64 cmake_pop_check_state()
65
66 #
67 # Use check_symbol_exists just in case math.h does something magic
68 # and there's not actually a function named floorl()
69 #
70 check_symbol_exists("floorl" "math.h"    HAVE_FLOORL)
71 check_function_exists("getaddrinfo"      HAVE_GETADDRINFO)
72 check_function_exists("gethostbyname"    HAVE_GETHOSTBYNAME)
73 check_function_exists("gethostbyname2"   HAVE_GETHOSTBYNAME2)
74 check_function_exists("getopt_long"      HAVE_GETOPT_LONG)
75 if(HAVE_GETOPT_LONG)
76     if(HAVE_GETOPT_H)
77         check_symbol_exists("optreset" "getopt.h" HAVE_OPTRESET)
78     else()
79         check_symbol_exists("optreset"           HAVE_OPTRESET)
80     endif()
81 endif()
82 check_function_exists("getprotobynumber" HAVE_GETPROTOBYNUMBER)
83 check_function_exists("inet_aton"        HAVE_INET_ATON)
84 check_function_exists("inet_ntop"        HAVE_INET_NTOP_PROTO)
85 check_function_exists("issetugid"        HAVE_ISSETUGID)
86 check_function_exists("mkdtemp"          HAVE_MKDTEMP)
87 check_function_exists("mkstemp"          HAVE_MKSTEMP)
88 check_function_exists("popcount"         HAVE_POPCOUNT)
89 check_function_exists("setresgid"        HAVE_SETRESGID)
90 check_function_exists("setresuid"        HAVE_SETRESUID)
91 check_function_exists("strptime"         HAVE_STRPTIME)
92 check_function_exists("sysconf"          HAVE_SYSCONF)
93 if (APPLE)
94         cmake_push_check_state()
95         set(CMAKE_REQUIRED_LIBRARIES ${APPLE_CORE_FOUNDATION_LIBRARY})
96         check_function_exists("CFPropertyListCreateWithStream" HAVE_CFPROPERTYLISTCREATEWITHSTREAM)
97         cmake_pop_check_state()
98 endif()
99
100 #Struct members
101 include(CheckStructHasMember)
102 check_struct_has_member("struct sockaddr" sa_len   sys/socket.h HAVE_SA_LEN)
103 check_struct_has_member("struct stat"     st_flags sys/stat.h   HAVE_ST_FLAGS)
104 check_struct_has_member("struct tm"       tm_zone  time.h       HAVE_TM_ZONE)
105
106 #Symbols but NOT enums or types
107 check_symbol_exists(tzname "time.h" HAVE_TZNAME)
108
109 # Check for stuff that isn't testable via the tests above
110 #include(CheckCSourceCompiles)
111
112 #
113 # *If* we found libnl, check if we can use nl80211 stuff with it.
114 #
115 if (NL_FOUND)
116         check_c_source_compiles(
117                 "#include <linux/nl80211.h>
118                 int main() {
119                         int x = NL80211_FREQUENCY_ATTR_MAX_TX_POWER;
120                         x |= NL80211_ATTR_SUPPORTED_IFTYPES;
121                         x |= NL80211_ATTR_SUPPORTED_COMMANDS;
122                         x |= NL80211_ATTR_WIPHY_FREQ;
123                         x |= NL80211_CHAN_NO_HT;
124                         (void)x;
125                 }"
126                 HAVE_NL80211
127         )
128         check_c_source_compiles(
129                 "#include <linux/nl80211.h>
130                 int main() {
131                         enum nl80211_commands x = NL80211_CMD_SET_CHANNEL;
132                 }"
133                 HAVE_NL80211_CMD_SET_CHANNEL
134         )
135         check_c_source_compiles(
136                 "#include <linux/nl80211.h>
137                 int main() {
138                         enum nl80211_protocol_features x = NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP;
139                 }"
140                 HAVE_NL80211_SPLIT_WIPHY_DUMP
141         )
142 endif()
143
144 #
145 # Check whether GLib's printf supports thousands grouping. (This might
146 # be different from the system's printf since GLib can optionally use
147 # its own printf implementation.)
148 #
149 if (CMAKE_CROSSCOMPILING OR WIN32)
150         #
151         # Play it safe when cross-compiling.
152         #
153         # XXX - compiling and trying to run the test below appears
154         # to loop infinitely on Windows, and the locale is wrong in
155         # any case, so we don't do this on Window for now.
156         #
157         set(HAVE_GLIB_PRINTF_GROUPING FALSE)
158 else()
159         cmake_push_check_state()
160         set(CMAKE_REQUIRED_INCLUDES ${GLIB2_INCLUDE_DIRS})
161         set(CMAKE_REQUIRED_LIBRARIES ${GLIB2_LIBRARIES})
162         check_c_source_runs(
163                 "#include <glib.h>
164                 #include <locale.h>
165                 #include <stdio.h>
166                 #include <string.h>
167
168                 int
169                 main ()
170                 {
171                   gchar *str;
172                   setlocale(LC_ALL, \"en_US.UTF-8\");
173                   str = g_strdup_printf(\"%'u\", 123456);
174                   return (strcmp (str, \"123,456\") != 0);
175                 }" HAVE_GLIB_PRINTF_GROUPING)
176         cmake_pop_check_state()
177 endif()