We don't need to check for strings.h.
[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("getopt_long"      HAVE_GETOPT_LONG)
73 if(HAVE_GETOPT_LONG)
74     if(HAVE_GETOPT_H)
75         check_symbol_exists("optreset" "getopt.h" HAVE_OPTRESET)
76     else()
77         check_symbol_exists("optreset"           HAVE_OPTRESET)
78     endif()
79 endif()
80 check_function_exists("getprotobynumber" HAVE_GETPROTOBYNUMBER)
81 check_function_exists("inet_aton"        HAVE_INET_ATON)
82 check_function_exists("inet_ntop"        HAVE_INET_NTOP_PROTO)
83 check_function_exists("issetugid"        HAVE_ISSETUGID)
84 check_function_exists("mkdtemp"          HAVE_MKDTEMP)
85 check_function_exists("mkstemp"          HAVE_MKSTEMP)
86 check_function_exists("popcount"         HAVE_POPCOUNT)
87 check_function_exists("setresgid"        HAVE_SETRESGID)
88 check_function_exists("setresuid"        HAVE_SETRESUID)
89 check_function_exists("strptime"         HAVE_STRPTIME)
90 check_function_exists("sysconf"          HAVE_SYSCONF)
91 if (APPLE)
92         cmake_push_check_state()
93         set(CMAKE_REQUIRED_LIBRARIES ${APPLE_CORE_FOUNDATION_LIBRARY})
94         check_function_exists("CFPropertyListCreateWithStream" HAVE_CFPROPERTYLISTCREATEWITHSTREAM)
95         cmake_pop_check_state()
96 endif()
97
98 #Struct members
99 include(CheckStructHasMember)
100 check_struct_has_member("struct sockaddr" sa_len   sys/socket.h HAVE_SA_LEN)
101 check_struct_has_member("struct stat"     st_flags sys/stat.h   HAVE_ST_FLAGS)
102 check_struct_has_member("struct tm"       tm_zone  time.h       HAVE_TM_ZONE)
103
104 #Symbols but NOT enums or types
105 check_symbol_exists(tzname "time.h" HAVE_TZNAME)
106
107 # Check for stuff that isn't testable via the tests above
108 #include(CheckCSourceCompiles)
109
110 #
111 # *If* we found libnl, check if we can use nl80211 stuff with it.
112 #
113 if (NL_FOUND)
114         check_c_source_compiles(
115                 "#include <linux/nl80211.h>
116                 int main() {
117                         int x = NL80211_FREQUENCY_ATTR_MAX_TX_POWER;
118                         x |= NL80211_ATTR_SUPPORTED_IFTYPES;
119                         x |= NL80211_ATTR_SUPPORTED_COMMANDS;
120                         x |= NL80211_ATTR_WIPHY_FREQ;
121                         x |= NL80211_CHAN_NO_HT;
122                         (void)x;
123                 }"
124                 HAVE_NL80211
125         )
126         check_c_source_compiles(
127                 "#include <linux/nl80211.h>
128                 int main() {
129                         enum nl80211_commands x = NL80211_CMD_SET_CHANNEL;
130                 }"
131                 HAVE_NL80211_CMD_SET_CHANNEL
132         )
133         check_c_source_compiles(
134                 "#include <linux/nl80211.h>
135                 int main() {
136                         enum nl80211_protocol_features x = NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP;
137                 }"
138                 HAVE_NL80211_SPLIT_WIPHY_DUMP
139         )
140 endif()
141
142 #
143 # Check whether GLib's printf supports thousands grouping. (This might
144 # be different from the system's printf since GLib can optionally use
145 # its own printf implementation.)
146 #
147 if (CMAKE_CROSSCOMPILING OR WIN32)
148         #
149         # Play it safe when cross-compiling.
150         #
151         # XXX - compiling and trying to run the test below appears
152         # to loop infinitely on Windows, and the locale is wrong in
153         # any case, so we don't do this on Window for now.
154         #
155         set(HAVE_GLIB_PRINTF_GROUPING FALSE)
156 else()
157         cmake_push_check_state()
158         set(CMAKE_REQUIRED_INCLUDES ${GLIB2_INCLUDE_DIRS})
159         set(CMAKE_REQUIRED_LIBRARIES ${GLIB2_LIBRARIES})
160         check_c_source_runs(
161                 "#include <glib.h>
162                 #include <locale.h>
163                 #include <stdio.h>
164                 #include <string.h>
165
166                 int
167                 main ()
168                 {
169                   gchar *str;
170                   setlocale(LC_ALL, \"en_US.UTF-8\");
171                   str = g_strdup_printf(\"%'u\", 123456);
172                   return (strcmp (str, \"123,456\") != 0);
173                 }" HAVE_GLIB_PRINTF_GROUPING)
174         cmake_pop_check_state()
175 endif()