stream pushing ok without access permission of /dev/video0
[rtmpclient.git] / app / src / main / jni / libusb / configure.ac
1 dnl These m4 macros are whitespace sensitive and break if moved around much.
2 m4_define([LU_VERSION_H], m4_include([libusb/version.h]))
3 m4_define([LU_DEFINE_VERSION_ATOM],
4         [m4_define([$1], m4_bregexp(LU_VERSION_H,
5         [^#define\s*$1\s*\([0-9]*\).*], [\1]))])
6 m4_define([LU_DEFINE_VERSION_RC_ATOM],
7         [m4_define([$1], m4_bregexp(LU_VERSION_H,
8         [^#define\s*$1\s*"\(-rc[0-9]*\)".*], [\1]))])
9 dnl The m4_bregexp() returns (only) the numbers following the #define named
10 dnl in the first macro parameter. m4_define() then defines the name for use
11 dnl in AC_INIT.
12
13 LU_DEFINE_VERSION_ATOM([LIBUSB_MAJOR])
14 LU_DEFINE_VERSION_ATOM([LIBUSB_MINOR])
15 LU_DEFINE_VERSION_ATOM([LIBUSB_MICRO])
16 LU_DEFINE_VERSION_RC_ATOM([LIBUSB_RC])
17
18 AC_INIT([libusb],[LIBUSB_MAJOR[.]LIBUSB_MINOR[.]LIBUSB_MICRO[]LIBUSB_RC],[libusb-devel@lists.sourceforge.net],[libusb],[http://libusb.info])
19
20 # Library versioning
21 # These numbers should be tweaked on every release. Read carefully:
22 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
23 # http://sourceware.org/autobook/autobook/autobook_91.html
24 lt_current="1"
25 lt_revision="0"
26 lt_age="1"
27 LTLDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age}"
28
29 AM_INIT_AUTOMAKE
30 AM_MAINTAINER_MODE
31
32 AC_CONFIG_SRCDIR([libusb/core.c])
33 AC_CONFIG_MACRO_DIR([m4])
34 AC_CONFIG_HEADERS([config.h])
35 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
36
37 AC_PREREQ([2.50])
38 AC_PROG_CC
39 LT_INIT
40 LT_LANG([Windows Resource])
41 AC_C_INLINE
42 AM_PROG_CC_C_O
43 AC_DEFINE([_GNU_SOURCE], 1, [Use GNU extensions])
44
45 LTLDFLAGS="${LTLDFLAGS} -no-undefined"
46
47 AC_MSG_CHECKING([operating system])
48
49 dnl on linux-android platform, some functions are in different places
50 case $host in
51 *-linux-android*)
52         AC_MSG_RESULT([This is a Linux-Android system])
53         is_backend_android="yes"
54         ;;
55 *)
56         is_backend_android="no"
57 esac
58
59 case $host in
60 *-linux* | *-uclinux*)
61         AC_MSG_RESULT([Linux])
62         backend="linux"
63         threads="posix"
64         ;;
65 *-darwin*)
66         AC_MSG_RESULT([Darwin/Mac OS X])
67         backend="darwin"
68         threads="posix"
69         ;;
70 *-openbsd*)
71         AC_MSG_RESULT([OpenBSD])
72         backend="openbsd"
73         threads="posix"
74         ;;
75 *-netbsd*)
76         AC_MSG_RESULT([NetBSD])
77         backend="netbsd"
78         threads="posix"
79         ;;
80 *-mingw*)
81         AC_MSG_RESULT([Windows])
82         backend="windows"
83         threads="windows"
84         create_import_lib="yes"
85         AM_CFLAGS="${AM_CFLAGS} -fno-omit-frame-pointer"
86         ;;
87 *-cygwin*)
88         AC_MSG_RESULT([Cygwin (using Windows backend)])
89         backend="windows"
90         threads="posix"
91         ;;
92 *)
93         AC_MSG_ERROR([unsupported operating system])
94 esac
95
96 case $backend in
97 linux)
98         AC_DEFINE(OS_LINUX, 1, [Linux backend])
99         AC_SUBST(OS_LINUX)
100         AC_SEARCH_LIBS(clock_gettime, rt, [], [], -pthread)
101         AC_ARG_ENABLE([udev],
102                 [AC_HELP_STRING([--enable-udev], [use udev for device enumeration and hotplug support (recommended) [default=yes]])],
103                 [], [enable_udev="yes"])
104                 if test "x$enable_udev" = "xyes" ; then
105                         # system has udev. use it or fail!
106                         AC_CHECK_HEADERS([libudev.h],[],[AC_ERROR(["udev support requested but libudev not installed"])])
107                         AC_CHECK_LIB([udev], [udev_new], [], [AC_ERROR(["udev support requested but libudev not installed"])])
108                         AC_DEFINE(USE_UDEV, 1, [Use udev for device enumeration/hotplug])
109                 else
110                         AC_CHECK_HEADERS([asm/types.h sys/socket.h], [], [])
111                         AC_CHECK_HEADERS([linux/netlink.h linux/filter.h], [], [AC_ERROR(["Linux netlink headers not found"])], [
112 #ifdef HAVE_ASM_TYPES_H
113 #include <asm/types.h>
114 #endif
115 #ifdef HAVE_SYS_SOCKET_H
116 #include <sys/socket.h>
117 #endif
118 ])
119                 fi
120                 AC_SUBST(USE_UDEV)
121
122 case $is_backend_android in
123 yes)
124         dnl some pthread functions is in libc
125         THREAD_CFLAGS="-c"
126         LIBS="${LIBS} -c"
127         dnl there are gettimeofday function but configure doesn't seem to be able to find it.
128         AC_DEFINE([HAVE_GETTIMEOFDAY], [1], [Define if you have gettimeofday])
129         ;;
130 *)
131         THREAD_CFLAGS="-pthread"
132         LIBS="${LIBS} -pthread"
133 esac
134
135         AC_CHECK_HEADERS([poll.h])
136         AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
137         ;;
138 darwin)
139         AC_DEFINE(OS_DARWIN, 1, [Darwin backend])
140         AC_SUBST(OS_DARWIN)
141         LIBS="-lobjc -Wl,-framework,IOKit -Wl,-framework,CoreFoundation"
142         LTLDFLAGS="${LTLDFLAGS} -Wl,-prebind"
143         AC_CHECK_HEADERS([poll.h])
144         AC_CHECK_TYPE([nfds_t],
145                 [AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])],
146                 [AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])],
147                 [#include <poll.h>])
148         ;;
149 openbsd)
150         AC_DEFINE(OS_OPENBSD, 1, [OpenBSD backend])
151         AC_SUBST(OS_OPENBSD)
152         THREAD_CFLAGS="-pthread"
153         LIBS="-pthread"
154         AC_CHECK_HEADERS([poll.h])
155         AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
156         ;;
157 netbsd)
158         AC_DEFINE(OS_NETBSD, 1, [NetBSD backend])
159         AC_SUBST(OS_NETBSD)
160         THREAD_CFLAGS="-pthread"
161         LIBS="-pthread"
162         AC_CHECK_HEADERS([poll.h])
163         AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
164         ;;
165 windows)
166         AC_DEFINE(OS_WINDOWS, 1, [Windows backend])
167         AC_SUBST(OS_WINDOWS)
168         LIBS=""
169         LTLDFLAGS="${LTLDFLAGS} -avoid-version -Wl,--add-stdcall-alias"
170         AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])
171         ;;
172 esac
173
174 AC_SUBST(LIBS)
175
176 AM_CONDITIONAL(OS_LINUX, test "x$backend" = xlinux)
177 AM_CONDITIONAL(OS_DARWIN, test "x$backend" = xdarwin)
178 AM_CONDITIONAL(OS_OPENBSD, test "x$backend" = xopenbsd)
179 AM_CONDITIONAL(OS_NETBSD, test "x$backend" = xnetbsd)
180 AM_CONDITIONAL(OS_WINDOWS, test "x$backend" = xwindows)
181 AM_CONDITIONAL(THREADS_POSIX, test "x$threads" = xposix)
182 AM_CONDITIONAL(CREATE_IMPORT_LIB, test "x$create_import_lib" = "xyes")
183 AM_CONDITIONAL(USE_UDEV, test "x$enable_udev" = xyes)
184 if test "$threads" = posix; then
185         AC_DEFINE(THREADS_POSIX, 1, [Use POSIX Threads])
186 fi
187
188 # timerfd
189 AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0])
190 AC_ARG_ENABLE([timerfd],
191         [AS_HELP_STRING([--enable-timerfd],
192                 [use timerfd for timing [default=auto]])],
193         [use_timerfd=$enableval], [use_timerfd='auto'])
194
195 if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then
196         AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])
197 fi
198
199 AC_CHECK_DECL([TFD_NONBLOCK], [tfd_hdr_ok=yes], [tfd_hdr_ok=no], [#include <sys/timerfd.h>])
200 if test "x$use_timerfd" = "xyes" -a "x$tfd_hdr_ok" = "xno"; then
201         AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])
202 fi
203
204 AC_MSG_CHECKING([whether to use timerfd for timing])
205 if test "x$use_timerfd" = "xno"; then
206         AC_MSG_RESULT([no (disabled by user)])
207 else
208         if test "x$timerfd_h" = "x1" -a "x$tfd_hdr_ok" = "xyes"; then
209                 AC_MSG_RESULT([yes])
210                 AC_DEFINE(USBI_TIMERFD_AVAILABLE, 1, [timerfd headers available])
211         else
212                 AC_MSG_RESULT([no (header not available)])
213         fi
214 fi
215
216 AC_CHECK_TYPES(struct timespec)
217
218 # Message logging
219 AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],
220         [log_enabled=$enableval],
221         [log_enabled='yes'])
222 if test "x$log_enabled" != "xno"; then
223         AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])
224 fi
225
226 AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],
227         [start with debug message logging enabled [default=no]])],
228         [debug_log_enabled=$enableval],
229         [debug_log_enabled='no'])
230 if test "x$debug_log_enabled" != "xno"; then
231         AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Start with debug message logging enabled])
232 fi
233
234 AC_ARG_ENABLE([system-log], [AS_HELP_STRING([--enable-system-log],
235         [output logging messages to system wide log, if supported by the OS [default=no]])],
236         [system_log_enabled=$enableval],
237         [system_log_enabled='no'])
238 if test "x$system_log_enabled" != "xno"; then
239         AC_DEFINE([USE_SYSTEM_LOGGING_FACILITY], 1, [Enable output to system log])
240 fi
241
242 # Check if syslog is available in standard C library
243 AC_CHECK_HEADERS(syslog.h)
244 AC_CHECK_FUNC([syslog], [have_syslog=yes], [have_syslog=no])
245 if test "x$have_syslog" != "xno"; then
246         AC_DEFINE([HAVE_SYSLOG_FUNC], 1, [syslog() function available])
247 fi
248
249 # Examples build
250 AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
251         [build example applications [default=no]])],
252         [build_examples=$enableval],
253         [build_examples='no'])
254 AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
255
256 # Tests build
257 AC_ARG_ENABLE([tests-build], [AS_HELP_STRING([--enable-tests-build],
258         [build test applications [default=no]])],
259         [build_tests=$enableval],
260         [build_tests='no'])
261 AM_CONDITIONAL([BUILD_TESTS], [test "x$build_tests" != "xno"])
262
263 # check for -fvisibility=hidden compiler support (GCC >= 3.4)
264 saved_cflags="$CFLAGS"
265 # -Werror required for cygwin
266 CFLAGS="$CFLAGS -Werror -fvisibility=hidden"
267 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
268         [VISIBILITY_CFLAGS="-fvisibility=hidden"
269          AC_DEFINE([DEFAULT_VISIBILITY], [__attribute__((visibility("default")))], [Default visibility]) ],
270         [ VISIBILITY_CFLAGS=""
271          AC_DEFINE([DEFAULT_VISIBILITY], [], [Default visibility]) ],
272         ])
273 CFLAGS="$saved_cflags"
274
275 # check for -Wno-pointer-sign compiler support (GCC >= 4)
276 saved_cflags="$CFLAGS"
277 CFLAGS="$CFLAGS -Wno-pointer-sign"
278 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
279         nopointersign_cflags="-Wno-pointer-sign", nopointersign_cflags="")
280 CFLAGS="$saved_cflags"
281
282 # sigaction not available on MinGW
283 AC_CHECK_FUNC([sigaction], [have_sigaction=yes], [have_sigaction=no])
284 AM_CONDITIONAL([HAVE_SIGACTION], [test "x$have_sigaction" = "xyes"])
285
286 # headers not available on all platforms but required on others
287 AC_CHECK_HEADERS([sys/time.h])
288 AC_CHECK_FUNCS(gettimeofday)
289 AC_CHECK_HEADERS([signal.h])
290
291 AM_CFLAGS="${AM_CFLAGS} -std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow ${THREAD_CFLAGS} ${VISIBILITY_CFLAGS}"
292
293 AC_SUBST(AM_CFLAGS)
294 AC_SUBST(LTLDFLAGS)
295
296 AC_CONFIG_FILES([libusb-1.0.pc])
297 AC_CONFIG_FILES([Makefile])
298 AC_CONFIG_FILES([libusb/Makefile])
299 AC_CONFIG_FILES([examples/Makefile])
300 AC_CONFIG_FILES([tests/Makefile])
301 AC_CONFIG_FILES([doc/Makefile])
302 AC_CONFIG_FILES([doc/doxygen.cfg])
303 AC_OUTPUT