Merge branch 'master' into release
[deb_libcec.git] / configure.ac
CommitLineData
6ea2515b 1AC_PREREQ(2.59)
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2AC_INIT([libcec], [1:8:0], [http://libcec.pulse-eight.com/])
3AC_CONFIG_HEADERS([config.h])
4AH_TOP([#pragma once])
5
6AM_INIT_AUTOMAKE([foreign])
7m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
8
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9AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
10
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11AC_CANONICAL_HOST
12
13cflags_reset="$CFLAGS"
14AC_LANG(C++)
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15AC_PROG_CXX
16AC_PROG_LIBTOOL
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17AC_PROG_INSTALL
18AC_LIBTOOL_DLOPEN
19CFLAGS="$cflags_reset"
20
21msg_pkg_config_missing="'pkg-config' is missing - adapter detection will not be available"
22msg_pthread_missing="required library 'pthread' is missing"
23msg_dl_missing="required library 'dl' is missing"
24msg_udev_missing="library 'udev' is missing - adapter detection will not be available"
25msg_dirent_missing="dirent.h header is missing - adapter detection will not be available"
26msg_lockdev_missing="required library 'liblockdev' is missing"
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27msg_rpi_api_missing="Raspberry Pi API not found or incompatible with libCEC"
28msg_rpi_will_check="will check for RPi support"
29msg_rpi_unsupported_target="will not check for RPi support (unsupported cpu: ${host_cpu})"
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30msg_required_header_missing="required header is missing"
31
32## debugging symbols
33AC_ARG_ENABLE([debug],
34 [AS_HELP_STRING([--enable-debug],
35 [include debug symbols (default is no)])],
36 [use_debug=$enableval],
37 [use_debug=no])
38
39## optimisation
40AC_ARG_ENABLE([optimisation],
41 [AS_HELP_STRING([--enable-optimisation],
42 [optimisation flag (default is yes)])],
43 [use_optimisation=$enableval],
44 [use_optimisation=yes])
abbca718 45
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46## Raspberry Pi support
47AC_ARG_ENABLE([rpi],
48 [AS_HELP_STRING([--enable-rpi],
49 [enable support for the Raspberry Pi (default is auto)])],
50 [use_rpi=$enableval],
51 [use_rpi=auto])
52
53## Optional path to the RPi's dev headers
54AC_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
60AC_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$withval"])
64
65## only check for the RPi API on ARM targets
66if test "x$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($msg_rpi_unsupported_target)
76 fi
77 use_rpi="no"
78 ;;
79 esac
80fi
81
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82## add the top dir and include to the include path, so we can include config.h and cec.h
83CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"
6ea2515b 84
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85## search for pkg-config
86AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
87if test "x$HAVE_PKG_CONFIG" != "xyes" ; then
88 AC_MSG_WARN($msg_pkg_config_missing)
89fi
90
91## search for pthread, required by all targets
92AC_SEARCH_LIBS([pthread_create],[pthread],,AC_MSG_ERROR($msg_pthread_missing))
93AC_CHECK_FUNCS([pthread_mutexattr_init pthread_cond_init pthread_cond_destroy pthread_cond_signal pthread_cond_broadcast pthread_cond_wait pthread_cond_timedwait])
94
95## search for dlopen, required by all targets
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96AC_SEARCH_LIBS([dlopen], [dl],
97 [test "$ac_cv_search_dlopen" = "none required" || LIBS_DL=$ac_cv_search_dlopen],
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98 AC_MSG_ERROR($msg_dl_missing))
99AC_CHECK_FUNCS([dlopen dlcose dlsym])
6ea2515b 100
2b44051c 101## platform specific libs, required by all targets
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102case "${host}" in
103 *-*-linux*)
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104 # for timeutils
105 LIBS="$LIBS -lrt"
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106 ;;
107 *-apple-darwin*)
2b44051c 108 LIBS="$LIBS -framework CoreVideo -framework IOKit"
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109 ;;
110esac
111
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112## we found all the libs and headers that we need for the client applications
113libs_client="$LIBS"
6ea2515b 114
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115## search for udev, lockdev and the RPi API, only required by libCEC
116use_udev="no"
117use_adapter_detection="yes"
3e703e8e 118case "${host}" in
119 *-*-linux*)
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120 ## search for udev if pkg-config was found
121 if test "x$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($msg_dirent_missing)])
128 fi
6ea2515b 129
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130 if test "$use_udev" != "yes"; then
131 use_adapter_detection="no"
132 fi
6ea2515b 133
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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))
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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
3e703e8e 192 ;;
193 *-apple-darwin*)
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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))
5458fd77 196 ;;
3e703e8e 197esac
198
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199## define the build info
200LIB_INFO="host: ${host}, features:"
201
202features="Configured features:\n Pulse-Eight CEC Adapter :\t\tyes"
203LIB_INFO="$LIB_INFO 'P8 USB'"
204AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
205AM_CONDITIONAL(USE_P8_USB, true)
206
207## mark adapter detection as available if the required deps were found
208if 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'"
222else
223 AM_CONDITIONAL(USE_P8_USB_DETECT, false)
224 features="$features\n Pulse-Eight CEC Adapter detection :\tno"
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225fi
226
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227## mark RPi support as available if the required headers and libs were found
228if test "x$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'"
233else
234 AM_CONDITIONAL(USE_RPI_API, false)
235 features="$features\n Raspberry Pi support :\t\tno"
236fi
237
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238## check if our build system is complete
239AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
240AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
241AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
242AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
243AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
244AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
245AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
246AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
247AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
248AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
249AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
250AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
251AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
252AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
253AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
254AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
255AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
256AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
257AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
258AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
259AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
260AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
261AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
262AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
263AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
264AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
265AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
266AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
267AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
268AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
269AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
270AC_CHECK_FUNCS([close fcntl select write read shutdown send recv memset sprintf getaddrinfo getsockopt setsockopt connect poll sched_yield open strerror tcsetattr tcgetattr cfsetispeed cfsetospeed bind freeaddrinfo listen accept socket])
abbca718 271
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272## add the build date to LIB_INFO
273AC_CHECK_PROG(HAVE_GIT, git, yes)
274if test "x$HAVE_GIT" = "xyes"; then
275 revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
276fi
277if test "x$revision" != "x"; then
278 LIB_INFO="$LIB_INFO, git revision: ${revision}"
279fi
280
281AC_CHECK_PROG(HAVE_DATE, date, yes)
282if test "x$HAVE_DATE" = "xyes"; then
283 LIB_INFO="$LIB_INFO, compiled on: `date -u`"
284else
285 LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
286fi
287
288## add the name of the user who built libCEC to LIB_INFO
289AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
290if test "x$HAVE_WHOAMI" = "xyes" ; then
291 LIB_INFO="$LIB_INFO by `whoami`"
292else
293 LIB_INFO="$LIB_INFO by (unknown user)"
294fi
295
296## add the hostname of the build host of libCEC to LIB_INFO
297AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
298if test "x$HAVE_HOSTNAME" = "xyes"; then
299 LIB_INFO="$LIB_INFO@`hostname -f`"
300fi
301
302## add the system info of the build host of libCEC to LIB_INFO
303AC_CHECK_PROG(HAVE_UNAME, uname, yes)
304if test "x$HAVE_UNAME" = "xyes"; then
305 LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"
306fi
307
308## redefine the LIBS, so cec-client and cec-config aren't linked against things they don't need
309LIBS_LIBCEC="$LIBS"
310LIBS="$libs_client"
311
312CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers"
313
314if test "x$use_debug" = "xyes"; then
315 CXXFLAGS="$CXXFLAGS -g"
316fi
317
318if test "x$optimisation" = "xyes"; then
319 CXXFLAGS="$CXXFLAGS -O2"
320fi
321
322AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")
7eb13cca 323
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324AC_SUBST([REQUIRES])
325AC_SUBST([LIBS])
326AC_SUBST([LIBS_LIBCEC])
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327AC_SUBST([LIB_INFO])
328AC_SUBST([USE_P8_USB])
329AC_SUBST([USE_P8_USB_DETECT])
330AC_SUBST([USE_RPI_API])
abbca718 331AC_CONFIG_FILES([src/lib/libcec.pc])
39b1216c 332AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile src/cec-config/Makefile])
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333
334cat <<EOB
335
336##############################################################################
337
338libCEC version $VERSION configured
339
340Compilation flags:
341 CXXFLAGS : $CXXFLAGS
342 libCEC LDFLAGS : $LIBS_LIBCEC
343 client LDFLAGS : $LIBS
344
345EOB
346
347echo -e "$features"
348
349cat <<EOB
350
351You can now build libCEC by running:
352 make
353
354##############################################################################
355
356EOB