Merge pull request #46 from iKenndac/b20860402ff0b01b741aeafe106b4451345d6609
[deb_libcec.git] / configure.ac
1 AC_PREREQ(2.59)
2 AC_INIT([libcec], [1:9:0], [http://libcec.pulse-eight.com/])
3 AC_CONFIG_HEADERS([config.h])
4 AH_TOP([#pragma once])
5
6 AM_INIT_AUTOMAKE([foreign])
7 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
8
9 AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
10
11 AC_CANONICAL_HOST
12
13 cflags_reset="$CFLAGS"
14 AC_LANG(C++)
15 AC_PROG_CXX
16 AC_PROG_LIBTOOL
17 AC_PROG_INSTALL
18 AC_LIBTOOL_DLOPEN
19 CFLAGS="$cflags_reset"
20
21 msg_pkg_config_missing="'pkg-config' is missing - adapter detection will not be available"
22 msg_pthread_missing="required library 'pthread' is missing"
23 msg_dl_missing="required library 'dl' is missing"
24 msg_udev_missing="library 'udev' is missing - adapter detection will not be available"
25 msg_dirent_missing="dirent.h header is missing - adapter detection will not be available"
26 msg_lockdev_missing="required library 'liblockdev' is missing"
27 msg_rpi_api_missing="Raspberry Pi API not found or incompatible with libCEC"
28 msg_rpi_will_check="will check for RPi support"
29 msg_rpi_unsupported_target="will not check for RPi support (unsupported cpu: ${host_cpu})"
30 msg_required_header_missing="required header is missing"
31
32 ## debugging symbols
33 AC_ARG_ENABLE([debug],
34 [AS_HELP_STRING([--enable-debug],
35 [include debug symbols (default is no)])],
36 [use_debug=$enableval],
37 [use_debug=no])
38
39 ## optimisation
40 AC_ARG_ENABLE([optimisation],
41 [AS_HELP_STRING([--enable-optimisation],
42 [optimisation flag (default is yes)])],
43 [use_optimisation=$enableval],
44 [use_optimisation=yes])
45
46 ## Raspberry Pi support
47 AC_ARG_ENABLE([rpi],
48 [AS_HELP_STRING([--enable-rpi],
49 [enable support for the Raspberry Pi (default is auto)])],
50 [use_rpi=$enableval],
51 [use_rpi=auto])
52
53 ## Optional path to the RPi's dev headers
54 AC_ARG_WITH([rpi-include-path],
55 [AS_HELP_STRING([--with-rpi-include-path],
56 [location of the Raspberry Pi headers (location of /opt/vc/include, default is auto)])],
57 [RPI_CFLAGS="-I$withval -I$withval/interface/vcos/pthreads"])
58
59 ## Optional path to libbcm_host.so
60 AC_ARG_WITH([rpi-lib-path],
61 [AS_HELP_STRING([--with-rpi-lib-path],
62 [location of the Raspberry Pi libraries (location of libbcm_host.so, default is auto)])],
63 [RPI_LIBS="-L$withval"])
64
65 ## only check for the RPi API on ARM targets
66 if test "x$use_rpi" != "xno"; then
67 case "${host_cpu}" in
68 arm*)
69 AC_MSG_NOTICE($msg_rpi_will_check)
70 ;;
71 *)
72 if test "x$use_rpi" = "xyes"; then
73 AC_MSG_ERROR($msg_rpi_unsupported_target)
74 else
75 AC_MSG_NOTICE($msg_rpi_unsupported_target)
76 fi
77 use_rpi="no"
78 ;;
79 esac
80 fi
81
82 ## add the top dir and include to the include path, so we can include config.h and cec.h
83 CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"
84
85 ## search for pkg-config
86 AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
87 if test "x$HAVE_PKG_CONFIG" != "xyes" ; then
88 AC_MSG_WARN($msg_pkg_config_missing)
89 fi
90
91 ## search for pthread, required by all targets
92 AC_SEARCH_LIBS([pthread_create],[pthread],,AC_MSG_ERROR($msg_pthread_missing))
93 AC_CHECK_FUNCS([pthread_mutexattr_init pthread_cond_init pthread_cond_destroy pthread_cond_signal pthread_cond_broadcast pthread_cond_wait pthread_cond_timedwait])
94
95 ## search for dlopen, required by all targets
96 AC_SEARCH_LIBS([dlopen], [dl],
97 [test "$ac_cv_search_dlopen" = "none required" || LIBS_DL=$ac_cv_search_dlopen],
98 AC_MSG_ERROR($msg_dl_missing))
99 AC_CHECK_FUNCS([dlopen dlcose dlsym])
100
101 ## platform specific libs, required by all targets
102 case "${host}" in
103 *-*-linux*)
104 # for timeutils
105 LIBS="$LIBS -lrt"
106 ;;
107 *-apple-darwin*)
108 LIBS="$LIBS -framework CoreVideo -framework IOKit"
109 ;;
110 esac
111
112 ## we found all the libs and headers that we need for the client applications
113 libs_client="$LIBS"
114
115 ## search for udev, lockdev and the RPi API, only required by libCEC
116 use_udev="no"
117 use_adapter_detection="yes"
118 case "${host}" in
119 *-*-linux*)
120 ## search for udev if pkg-config was found
121 if test "x$HAVE_PKG_CONFIG" = "xyes" ; then
122 PKG_CHECK_MODULES([UDEV],[libudev],use_udev="yes",AC_MSG_WARN($msg_udev_missing))
123 fi
124
125 ## we need dirent.h on linux too
126 if test "$use_udev" = "yes"; then
127 AC_CHECK_HEADER(dirent.h,,[use_udev="no";AC_MSG_WARN($msg_dirent_missing)])
128 fi
129
130 if test "$use_udev" != "yes"; then
131 use_adapter_detection="no"
132 fi
133
134 ## search for lockdev
135 AC_CHECK_HEADER(lockdev.h,,AC_MSG_ERROR($msg_lockdev_missing))
136 AC_CHECK_LIB(lockdev,dev_unlock,,AC_MSG_ERROR($msg_lockdev_missing))
137
138 AC_CHECK_HEADER(time.h,,AC_MSG_ERROR($msg_required_header_missing))
139 AC_CHECK_HEADER(sys/prctl.h,,AC_MSG_ERROR($msg_required_header_missing))
140
141 ## search for the RPi API. we need to check a couple of things to see if
142 ## it's recent enough and contains the calls needed for libCEC to operate
143 ## correctly.
144 if test "x$use_rpi" != "xno"; then
145 CPPFLAGS="$CPPFLAGS $RPI_CFLAGS"
146 libs_pre_rpi="$LIBS"
147 LIBS="$LIBS $RPI_LIBS -lvcos -lvchiq_arm"
148
149 check_rpi_cec_service="yes"
150
151 ## check for headers we need
152 AC_CHECK_HEADER(interface/vmcs_host/vc_cec.h,,check_rpi_cec_service="no")
153 AC_CHECK_HEADER(interface/vmcs_host/vc_cecservice.h,,check_rpi_cec_service="no")
154 AC_CHECK_HEADER(interface/vchiq_arm/vchiq_if.h,,check_rpi_cec_service="no")
155 AC_CHECK_HEADER(bcm_host.h,,check_rpi_cec_service="no")
156
157 ## check if the headers contain support for libCEC.
158 ## VC_CECSERVICE_VER needs to be defined
159 AC_MSG_CHECKING([interface/vmcs_host/vc_cec.h compatibility])
160
161 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <interface/vmcs_host/vc_cecservice.h>
162 #include <interface/vchiq_arm/vchiq_if.h>
163 #if !defined(VC_CECSERVICE_VER)
164 #error RPi headers does not contain libCEC support
165 #endif]], [[]])],[AC_MSG_RESULT([yes])],[check_rpi_cec_service="no"; AC_MSG_RESULT([no])])
166
167 ## check if the methods we're using can be found in libbcm_host.so, so we don't use an incompatible version
168 AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
169 libs_tmp="$LIBS"
170 AC_CHECK_LIB(bcm_host,vc_vchi_cec_init,,check_rpi_cec_service="no")
171 AC_CHECK_LIB(bcm_host,vc_cec_get_logical_address,,check_rpi_cec_service="no")
172 AC_CHECK_LIB(bcm_host,vc_cec_get_physical_address,,check_rpi_cec_service="no")
173 AC_CHECK_LIB(bcm_host,vc_cec_param2message,,check_rpi_cec_service="no")
174 AC_CHECK_LIB(bcm_host,vc_cec_poll_address,,check_rpi_cec_service="no")
175 AC_CHECK_LIB(bcm_host,vc_cec_register_callback,,check_rpi_cec_service="no")
176 AC_CHECK_LIB(bcm_host,vc_cec_release_logical_address,,check_rpi_cec_service="no")
177 AC_CHECK_LIB(bcm_host,vc_cec_set_passive,,check_rpi_cec_service="no")
178 AC_CHECK_LIB(bcm_host,vcos_init,,check_rpi_cec_service="no")
179 AC_CHECK_LIB(bcm_host,vchiq_initialise,,check_rpi_cec_service="no")
180 AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
181 AC_CHECK_LIB(bcm_host,vchi_create_connection,,check_rpi_cec_service="no")
182 AC_CHECK_LIB(bcm_host,bcm_host_init,,check_rpi_cec_service="no")
183 LIBS="$libs_tmp"
184
185 if test "x$check_rpi_cec_service" != "xyes" && test "x$use_rpi" = "xyes"; then
186 AC_MSG_ERROR($msg_rpi_api_missing)
187 elif test "x$check_rpi_cec_service" != "xyes"; then
188 use_rpi="no"
189 LIBS="$libs_pre_rpi"
190 fi
191 fi
192 ;;
193 *-apple-darwin*)
194 AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
195 AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
196 ;;
197 esac
198
199 ## define the build info
200 LIB_INFO="host: ${host}, features:"
201
202 features="Configured features:\n Pulse-Eight CEC Adapter :\t\tyes"
203 LIB_INFO="$LIB_INFO 'P8 USB'"
204 AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
205 AM_CONDITIONAL(USE_P8_USB, true)
206
207 ## mark adapter detection as available if the required deps were found
208 if test "x$use_adapter_detection" = "xyes"; then
209 ## mark udev as available if it was found
210 if test "x$use_udev" = "xyes"; then
211 INCLUDES="$INCLUDES $UDEV_CFLAGS"
212 LIBS="$LIBS $UDEV_LIBS"
213 AC_DEFINE([HAVE_LIBUDEV],[1],[Define to 1 if libudev is installed])
214 REQUIRES="$REQUIRES udev"
215 fi
216
217 AC_DEFINE([HAVE_P8_USB_DETECT],[1],[Define to 1 to include autodetection support for the Pulse-Eight USB-CEC Adapter])
218 AM_CONDITIONAL(USE_P8_USB_DETECT, true)
219
220 features="$features\n Pulse-Eight CEC Adapter detection :\tyes"
221 LIB_INFO="$LIB_INFO 'P8 USB detect'"
222 else
223 AM_CONDITIONAL(USE_P8_USB_DETECT, false)
224 features="$features\n Pulse-Eight CEC Adapter detection :\tno"
225 fi
226
227 ## mark RPi support as available if the required headers and libs were found
228 if test "x$use_rpi" != "xno"; then
229 AC_DEFINE([HAVE_RPI_API],[1],[Define to 1 to include RPi support])
230 AM_CONDITIONAL(USE_RPI_API, true)
231 features="$features\n Raspberry Pi support :\t\tyes"
232 LIB_INFO="$LIB_INFO 'RPi'"
233 else
234 AM_CONDITIONAL(USE_RPI_API, false)
235 features="$features\n Raspberry Pi support :\t\tno"
236 fi
237
238 ## check if our build system is complete
239 AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
240 AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
241 AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
242 AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
243 AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
244 AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
245 AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
246 AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
247 AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
248 AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
249 AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
250 AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
251 AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
252 AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
253 AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
254 AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
255 AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
256 AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
257 AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
258 AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
259 AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
260 AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
261 AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
262 AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
263 AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
264 AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
265 AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
266 AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
267 AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
268 AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
269 AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
270 AC_CHECK_FUNCS([close fcntl select write read shutdown send recv memset sprintf getaddrinfo getsockopt setsockopt connect poll sched_yield open strerror tcsetattr tcgetattr cfsetispeed cfsetospeed bind freeaddrinfo listen accept socket])
271
272 ## add the build date to LIB_INFO
273 AC_CHECK_PROG(HAVE_GIT, git, yes)
274 if test "x$HAVE_GIT" = "xyes"; then
275 revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
276 fi
277 if test "x$revision" != "x"; then
278 LIB_INFO="$LIB_INFO, git revision: ${revision}"
279 fi
280
281 AC_CHECK_PROG(HAVE_DATE, date, yes)
282 if test "x$HAVE_DATE" = "xyes"; then
283 LIB_INFO="$LIB_INFO, compiled on: `date -u`"
284 else
285 LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
286 fi
287
288 ## add the name of the user who built libCEC to LIB_INFO
289 AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
290 if test "x$HAVE_WHOAMI" = "xyes" ; then
291 LIB_INFO="$LIB_INFO by `whoami`"
292 else
293 LIB_INFO="$LIB_INFO by (unknown user)"
294 fi
295
296 ## add the hostname of the build host of libCEC to LIB_INFO
297 AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
298 if test "x$HAVE_HOSTNAME" = "xyes"; then
299 LIB_INFO="$LIB_INFO@`hostname -f`"
300 fi
301
302 ## add the system info of the build host of libCEC to LIB_INFO
303 AC_CHECK_PROG(HAVE_UNAME, uname, yes)
304 if test "x$HAVE_UNAME" = "xyes"; then
305 LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"
306 fi
307
308 ## redefine the LIBS, so cec-client and cec-config aren't linked against things they don't need
309 LIBS_LIBCEC="$LIBS"
310 LIBS="$libs_client"
311
312 CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers"
313
314 if test "x$use_debug" = "xyes"; then
315 CXXFLAGS="$CXXFLAGS -g"
316 fi
317
318 if test "x$optimisation" = "xyes"; then
319 CXXFLAGS="$CXXFLAGS -O2"
320 fi
321
322 AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")
323
324 AC_SUBST([REQUIRES])
325 AC_SUBST([LIBS])
326 AC_SUBST([LIBS_LIBCEC])
327 AC_SUBST([LIB_INFO])
328 AC_SUBST([USE_P8_USB])
329 AC_SUBST([USE_P8_USB_DETECT])
330 AC_SUBST([USE_RPI_API])
331 AC_CONFIG_FILES([src/lib/libcec.pc])
332 AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile src/cec-config/Makefile])
333
334 cat <<EOB
335
336 ##############################################################################
337
338 libCEC version $VERSION configured
339
340 Compilation flags:
341 CXXFLAGS : $CXXFLAGS
342 libCEC LDFLAGS : $LIBS_LIBCEC
343 client LDFLAGS : $LIBS
344
345 EOB
346
347 echo -e "$features"
348
349 cat <<EOB
350
351 You can now build libCEC by running:
352 make
353
354 ##############################################################################
355
356 EOB