2 ## This file is part of the libsigrok project.
4 ## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
5 ## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
7 ## This program is free software: you can redistribute it and/or modify
8 ## it under the terms of the GNU General Public License as published by
9 ## the Free Software Foundation, either version 3 of the License, or
10 ## (at your option) any later version.
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.
17 ## You should have received a copy of the GNU General Public License
18 ## along with this program. If not, see <http://www.gnu.org/licenses/>.
21 # We require at least autoconf 2.63 (AC_INIT format changed there).
24 AC_INIT([libsigrok], [0.6.0],
25 [sigrok-devel@lists.sourceforge.net],
26 [libsigrok], [http://www.sigrok.org])
27 AC_CONFIG_MACRO_DIR([m4])
28 AC_CONFIG_AUX_DIR([autostuff])
29 AC_CONFIG_HEADERS([config.h include/libsigrok/version.h])
31 # We require at least automake 1.11 (needed for 'silent rules').
32 AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define nostdinc subdir-objects check-news color-tests])
33 AM_SILENT_RULES([yes])
34 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
38 # Checks for programs.
44 # Required for per-target flags or subdir-objects with C sources.
47 # Set the standard the C library headers should conform to.
48 AH_VERBATIM([_POSIX_C_SOURCE], [/* The targeted POSIX standard. */
49 #ifndef _POSIX_C_SOURCE
50 # define _POSIX_C_SOURCE 200112L
53 # Get compiler versions.
54 SR_PROG_VERSION([$CC], [sr_cc_version])
55 SR_PROG_VERSION([$CXX], [sr_cxx_version])
57 # Check for optional make features.
58 SR_PROG_MAKE_ORDER_ONLY
63 # Set up the libsigrok version defines.
64 SR_PKG_VERSION_SET([SR_PACKAGE_VERSION], [AC_PACKAGE_VERSION])
66 # Library version for libsigrok (NOT the same as the package version).
67 # Carefully read the libtool docs before updating these numbers!
68 # The algorithm for determining which number to change (and how) is nontrivial!
69 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
70 # Format: current:revision:age.
71 SR_LIB_VERSION_SET([SR_LIB_VERSION], [4:0:0])
73 AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
75 #############################
76 ## Optional dependencies ##
77 #############################
81 # Initialize pkg-config.
82 # We require at least 0.22, as "Requires.private" behaviour changed there.
83 PKG_PROG_PKG_CONFIG([0.22])
85 # Keep track of all checked modules so we can list them at the end.
86 SR_PKG_CHECK_SUMMARY([sr_pkglibs_summary])
88 # Collect the pkg-config module names of all dependencies in SR_PKGLIBS.
89 # These are used to derive the compiler flags and for the "Requires.private"
90 # field in the generated libsigrok.pc file.
91 SR_VAR_OPT_PKG([SR_PKGLIBS], [sr_deps_avail])
99 SR_ARG_OPT_PKG([libserialport], [LIBSERIALPORT], ,
100 [libserialport >= 0.1.1])
102 SR_ARG_OPT_PKG([libftdi], [LIBFTDI], , [libftdi1 >= 1.0])
104 # pkg-config file names: MinGW/MacOSX: hidapi; Linux: hidapi-hidraw/-libusb
105 SR_ARG_OPT_PKG([libhidapi], [LIBHIDAPI], ,
106 [hidapi >= 0.8.0], [hidapi-hidraw >= 0.8.0], [hidapi-libusb >= 0.8.0])
108 SR_ARG_OPT_PKG([libbluez], [LIBBLUEZ], , [bluez >= 4.0])
110 # FreeBSD comes with an "integrated" libusb-1.0-style USB API.
111 # This means libusb-1.0 is always available; no need to check for it.
112 # On Windows, require the latest version we can get our hands on,
113 # until the new generic event handling has seen an official release.
115 [freebsd*], [sr_libusb_req='libusb-1.0' sr_have_libusb=yes],
116 [mingw*], [sr_libusb_req='libusb-1.0 >= 1.0.20'],
117 [sr_libusb_req='libusb-1.0 >= 1.0.16'])
119 SR_ARG_OPT_PKG([libusb], [LIBUSB_1_0], [NEED_USB],
122 SR_ARG_OPT_PKG([librevisa], [LIBREVISA], [NEED_VISA],
123 [librevisa >= 0.0.20130412])
125 SR_ARG_OPT_PKG([libgpib], [LIBGPIB], [NEED_GPIB],
128 SR_ARG_OPT_CHECK([libieee1284], [LIBIEEE1284],, [
130 LIBS="-lieee1284 $LIBS"
131 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <ieee1284.h>]],
132 [[(void) ieee1284_open(0, 0, 0);]])],
133 [sr_have_libieee1284=yes], [sr_have_libieee1284=no])
136 AS_IF([test "x$sr_have_libieee1284" = xyes],
137 [SR_PREPEND([SR_EXTRA_LIBS], [-lieee1284])])
139 SR_ARG_OPT_PKG([libgio], [LIBGIO], , [gio-2.0 >= 2.24.0])
141 # See if any of the (potentially platform specific) libs are available
142 # which provide some means of Bluetooth communication.
143 AS_IF([test "x$sr_have_libbluez" = xyes],
144 sr_have_bluetooth=yes, sr_have_bluetooth=no)
145 AS_IF([test "x$sr_have_bluetooth" = xyes],
146 [AC_DEFINE([HAVE_BLUETOOTH], [1], [Specifies whether Bluetooth communication is supported.])])
147 AS_IF([test "x$sr_have_bluetooth" = xyes],
148 [SR_APPEND([sr_deps_avail], [bluetooth_comm])])
150 AS_IF([test "x$sr_have_libserialport" = xyes -o "x$sr_have_libhidapi" = xyes -o "x$sr_have_bluetooth" = xyes],
151 sr_have_serial_comm=yes, sr_have_serial_comm=no)
152 AS_IF([test "x$sr_have_serial_comm" = xyes],
153 [AC_DEFINE([HAVE_SERIAL_COMM], [1], [Specifies whether serial communication is supported.])])
154 AS_IF([test "x$sr_have_serial_comm" = xyes],
155 [SR_APPEND([sr_deps_avail], [serial_comm])])
156 AM_CONDITIONAL([NEED_SERIAL], [test "x$sr_have_serial_comm" = xyes])
158 ######################
160 ######################
162 # The Check unit testing framework is optional. Disable if not found.
163 SR_PKG_CHECK([check], [SR_PKGLIBS_TESTS], [check >= 0.9.4])
164 AM_CONDITIONAL([HAVE_CHECK], [test "x$sr_have_check" = xyes])
166 # Enable the C99 standard if possible, and enforce the use
167 # of SR_API to explicitly mark all public API functions.
169 SR_CHECK_COMPILE_FLAGS([SR_EXTRA_CFLAGS], [C99], [-std=c99 -c99 -AC99 -qlanglvl=extc99])
170 SR_CHECK_COMPILE_FLAGS([SR_EXTRA_CFLAGS], [visibility], [-fvisibility=hidden])
172 SR_ARG_ENABLE_WARNINGS([SR_WFLAGS], [-Wall], [-Wall -Wextra -Wmissing-prototypes])
174 # Check host characteristics.
178 AC_CHECK_HEADERS([sys/mman.h], [SR_APPEND([sr_deps_avail], [sys_mman_h])])
179 AC_CHECK_HEADERS([sys/ioctl.h], [SR_APPEND([sr_deps_avail], [sys_ioctl_h])])
180 AC_CHECK_HEADERS([sys/timerfd.h], [SR_APPEND([sr_deps_avail], [sys_timerfd_h])])
182 # We need to link against the Winsock2 library for SCPI over TCP.
183 AS_CASE([$host_os], [mingw*], [SR_PREPEND([SR_EXTRA_LIBS], [-lws2_32])])
185 # libm (the standard math library) is always needed.
186 SR_SEARCH_LIBS([SR_EXTRA_LIBS], [pow], [m])
188 # RPC is only needed for VXI support.
189 AC_CACHE_CHECK([for RPC support], [sr_cv_have_rpc],
190 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
191 [[#include <rpc/rpc.h>]m4_newline[CLIENT *rpc_test(void);]],
192 [[(void) clnt_create("", 0, 0, "");]])],
193 [sr_cv_have_rpc=yes], [sr_cv_have_rpc=no])])
194 AS_IF([test "x$sr_cv_have_rpc" = xyes],
195 [AC_DEFINE([HAVE_RPC], [1], [Specifies whether we have RPC support.])])
196 # VXI support is only compiled if RPC support was found.
197 AM_CONDITIONAL([NEED_RPC], [test "x$sr_cv_have_rpc" = xyes])
199 # Check for compiler support of 128 bit integers
200 AC_CHECK_TYPES([__int128_t, __uint128_t], [], [], [])
202 # Availability of bt_put_le16() depends on the bluez library version.
203 AC_CACHE_CHECK([for bt_put_le16], [sr_cv_have_btputle16],
204 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
205 [[#include <bluetooth/bluetooth.h>]],
206 [[bt_put_le16(0, (void *)0);]])],
207 [sr_cv_have_btputle16=yes], [sr_cv_have_btputle16=no])])
208 AS_IF([test "x$sr_cv_have_btputle16" = xyes],
209 [AC_DEFINE([HAVE_BT_PUT_LE16], [1], [Specifies whether we have bt_put_le16().])])
211 ########################
212 ## Hardware drivers ##
213 ########################
215 # Keep track of all drivers so we can list them at the end.
216 SR_VAR_SUMMARY([sr_driver_summary])
218 # Check whether the sr_deps_avail list contains all of the arguments.
219 # Unavailable dependencies are collected in sr_deps_missing.
220 sr_check_driver_deps() {
224 AS_CASE([" $sr_deps_avail "], [*" $sr_dep "*],,
225 [SR_APPEND([sr_deps_missing], [', '], [$sr_dep])])
227 test -z "$sr_deps_missing" || return 1
230 AC_ARG_ENABLE([all-drivers],
231 [AS_HELP_STRING([--enable-all-drivers],
232 [enable all drivers by default [default=yes]])],
233 [], [enable_all_drivers=yes])
235 ## _SR_DRIVER(Device name, driver-name, var-name, [dependencies...])
236 m4_define([_SR_DRIVER], [
238 [AS_HELP_STRING([--enable-$2], [enable $1 support])],
239 [$3=$enableval], [$3=$enable_all_drivers])
241 AS_IF([test "x[$]$3" = xyes], [sr_hw_info=yes[]m4_ifval([$4], [
242 sr_check_driver_deps $4 \
243 || $3=no sr_hw_info="no (missing: $sr_deps_missing)"
244 ])], [sr_hw_info='no (disabled)'])
245 sr_driver_summary_append "$2" "$sr_hw_info"
247 AM_CONDITIONAL([$3], [test "x[$]$3" = xyes])
248 AM_COND_IF([$3], [AC_DEFINE([HAVE_$3], [1], [Whether to support $1 device.]) AC_DEFINE([HAVE_DRIVERS], [1], [Whether at least one driver is enabled.])])
251 ## SR_DRIVER(Device name, driver-name, [dependencies...])
252 m4_define([SR_DRIVER],
253 [_SR_DRIVER([$1], [$2], m4_expand([AS_TR_CPP([HW_$2])]), [$3])])
255 SR_DRIVER([Agilent DMM], [agilent-dmm], [serial_comm])
256 SR_DRIVER([Appa 55II], [appa-55ii], [serial_comm])
257 SR_DRIVER([Arachnid Labs Re:load Pro], [arachnid-labs-re-load-pro], [serial_comm])
258 SR_DRIVER([ASIX SIGMA/SIGMA2], [asix-sigma], [libftdi])
259 SR_DRIVER([Atten PPS3xxx], [atten-pps3xxx], [serial_comm])
260 SR_DRIVER([BayLibre ACME], [baylibre-acme], [sys_timerfd_h])
261 SR_DRIVER([BeagleLogic], [beaglelogic], [sys_mman_h sys_ioctl_h])
262 SR_DRIVER([Brymen DMM], [brymen-dmm], [serial_comm])
263 SR_DRIVER([CEM DT-885x], [cem-dt-885x], [serial_comm])
264 SR_DRIVER([Center 3xx], [center-3xx], [serial_comm])
265 SR_DRIVER([ChronoVu LA], [chronovu-la], [libusb libftdi])
266 SR_DRIVER([Colead SLM], [colead-slm], [serial_comm])
267 SR_DRIVER([Conrad DIGI 35 CPU], [conrad-digi-35-cpu], [serial_comm])
268 SR_DRIVER([demo], [demo])
269 SR_DRIVER([DreamSourceLab DSLogic], [dreamsourcelab-dslogic], [libusb])
270 SR_DRIVER([Fluke 45], [fluke-45])
271 SR_DRIVER([Fluke DMM], [fluke-dmm], [serial_comm])
272 SR_DRIVER([FTDI LA], [ftdi-la], [libusb libftdi])
273 SR_DRIVER([fx2lafw], [fx2lafw], [libusb])
274 SR_DRIVER([GMC MH 1x/2x], [gmc-mh-1x-2x], [serial_comm])
275 SR_DRIVER([GW Instek GDS-800], [gwinstek-gds-800], [serial_comm])
276 SR_DRIVER([GW Instek GPD], [gwinstek-gpd], [serial_comm])
277 SR_DRIVER([Hameg HMO], [hameg-hmo], [serial_comm])
278 SR_DRIVER([Hantek 4032L], [hantek-4032l], [libusb])
279 SR_DRIVER([Hantek 6xxx], [hantek-6xxx], [libusb])
280 SR_DRIVER([Hantek DSO], [hantek-dso], [libusb])
281 SR_DRIVER([HP 3457A], [hp-3457a])
282 SR_DRIVER([HP 3478A], [hp-3478a], [libgpib])
283 SR_DRIVER([Hung-Chang DSO-2100], [hung-chang-dso-2100], [libieee1284])
284 SR_DRIVER([Ikalogic Scanalogic-2], [ikalogic-scanalogic2], [libusb])
285 SR_DRIVER([Ikalogic Scanaplus], [ikalogic-scanaplus], [libftdi])
286 SR_DRIVER([IPDBG LA], [ipdbg-la])
287 SR_DRIVER([Kecheng KC-330B], [kecheng-kc-330b], [libusb])
288 SR_DRIVER([KERN scale], [kern-scale], [serial_comm])
289 SR_DRIVER([Korad KAxxxxP], [korad-kaxxxxp], [serial_comm])
290 SR_DRIVER([Lascar EL-USB], [lascar-el-usb], [libusb])
291 SR_DRIVER([LeCroy LogicStudio], [lecroy-logicstudio], [libusb])
292 SR_DRIVER([LeCroy X-Stream], [lecroy-xstream])
293 SR_DRIVER([Manson HCS-3xxx], [manson-hcs-3xxx], [serial_comm])
294 SR_DRIVER([Mastech MS6514], [mastech-ms6514], [serial_comm])
295 SR_DRIVER([maynuo-m97], [maynuo-m97])
296 SR_DRIVER([MIC 985xx], [mic-985xx], [serial_comm])
297 SR_DRIVER([Microchip PICkit2], [microchip-pickit2], [libusb])
298 SR_DRIVER([Mooshimeter DMM], [mooshimeter-dmm], [bluetooth_comm libgio])
299 SR_DRIVER([Motech LPS 30x], [motech-lps-30x], [serial_comm])
300 SR_DRIVER([Norma DMM], [norma-dmm], [serial_comm])
301 SR_DRIVER([OpenBench Logic Sniffer], [openbench-logic-sniffer], [serial_comm])
302 SR_DRIVER([PCE PCE-322A], [pce-322a], [serial_comm])
303 SR_DRIVER([Pipistrello-OLS], [pipistrello-ols], [libftdi])
304 SR_DRIVER([RDTech DPSxxxx/DPHxxxx], [rdtech-dps], [serial_comm])
305 SR_DRIVER([Rigol DS], [rigol-ds])
306 SR_DRIVER([Rohde&Schwarz SME-0x], [rohde-schwarz-sme-0x], [serial_comm])
307 SR_DRIVER([Saleae Logic16], [saleae-logic16], [libusb])
308 SR_DRIVER([Saleae Logic Pro], [saleae-logic-pro], [libusb])
309 SR_DRIVER([SCPI DMM], [scpi-dmm])
310 SR_DRIVER([SCPI PPS], [scpi-pps])
311 SR_DRIVER([serial DMM], [serial-dmm], [serial_comm])
312 SR_DRIVER([serial LCR], [serial-lcr], [serial_comm])
313 SR_DRIVER([Siglent SDS], [siglent-sds])
314 SR_DRIVER([Sysclk LWLA], [sysclk-lwla], [libusb])
315 SR_DRIVER([Sysclk SLA5032], [sysclk-sla5032], [libusb])
316 SR_DRIVER([Teleinfo], [teleinfo], [serial_comm])
317 SR_DRIVER([Testo], [testo], [libusb])
318 SR_DRIVER([Tondaj SL-814], [tondaj-sl-814], [serial_comm])
319 SR_DRIVER([UNI-T DMM], [uni-t-dmm], [libusb])
320 SR_DRIVER([UNI-T UT32x], [uni-t-ut32x], [serial_comm])
321 SR_DRIVER([Yokogawa DL/DLM], [yokogawa-dlm])
322 SR_DRIVER([ZEROPLUS Logic Cube], [zeroplus-logic-cube], [libusb])
323 SR_DRIVER([ZKETECH EBD-USB], [zketech-ebd-usb], [serial_comm])
325 ###############################
326 ## Language bindings setup ##
327 ###############################
330 SR_ARG_ENABLE_WARNINGS([SR_WXXFLAGS], [-Wall], [-Wall -Wextra])
332 AC_ARG_ENABLE([bindings],
333 [AS_HELP_STRING([--enable-bindings], [build language bindings [default=yes]])],
334 [], [enable_bindings=yes])
337 [AS_HELP_STRING([--enable-cxx], [build C++ bindings [default=yes]])],
338 [], [enable_cxx=$enable_bindings])
340 AC_ARG_ENABLE([python],
341 [AS_HELP_STRING([--enable-python], [build Python bindings [default=yes]])],
342 [], [enable_python=$enable_bindings])
344 AC_ARG_ENABLE([ruby],
345 [AS_HELP_STRING([--enable-ruby], [build Ruby bindings [default=no]])],
346 [], [enable_ruby=no])
348 AC_ARG_ENABLE([java],
349 [AS_HELP_STRING([--enable-java], [build Java bindings [default=yes]])],
350 [], [enable_java=$enable_bindings])
358 # Check if the C++ compiler supports the C++11 standard.
359 AX_CXX_COMPILE_STDCXX([11], [noext], [optional])
360 AS_IF([test "x$HAVE_CXX11" != x1],
361 [SR_APPEND([sr_cxx_missing], [', '], ['C++11'])])
363 # The C++ bindings need glibmm.
364 SR_PKG_CHECK([glibmm], [SR_PKGLIBS_CXX], [glibmm-2.4 >= 2.32.0])
365 AS_IF([test "x$sr_have_glibmm" != xyes],
366 [SR_APPEND([sr_cxx_missing], [', '], [glibmm])])
368 # The C++ bindings use Doxygen to parse libsigrok symbols.
369 AC_CHECK_PROG([HAVE_DOXYGEN], [doxygen], [yes], [no])
370 AS_IF([test "x$HAVE_DOXYGEN" != xyes],
371 [SR_APPEND([sr_cxx_missing], [', '], [Doxygen])])
373 # Link C++ code with gnustl_shared if it exists (Android)
374 SR_SEARCH_LIBS([SR_EXTRA_CXX_LIBS], [__cxa_throw], [gnustl_shared])
376 # Python is needed for the C++ bindings.
377 AM_PATH_PYTHON([2.7],
380 SR_APPEND([sr_cxx_missing], [', '], [Python])])
382 AS_IF([test -z "$sr_cxx_missing"],
383 [BINDINGS_CXX=$enable_cxx], [BINDINGS_CXX=no])
384 AM_CONDITIONAL([BINDINGS_CXX], [test "x$BINDINGS_CXX" = xyes])
386 # C++ bindings want stoi and stod.
387 AM_COND_IF([BINDINGS_CXX], [
388 AC_CACHE_CHECK([for stoi and stod], [sr_cv_have_stoi_stod],
389 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string>]],
390 [[(void) std::stoi("1"); (void) std::stod("1.0");]])],
391 [sr_cv_have_stoi_stod=yes], [sr_cv_have_stoi_stod=no])])
392 AS_IF([test "x$sr_cv_have_stoi_stod" = xyes],
393 [AC_DEFINE([HAVE_STOI_STOD], [1],
394 [Specifies whether we have the stoi and stod functions.])])
397 #######################
398 ## Python bindings ##
399 #######################
401 AS_IF([test "x$BINDINGS_CXX" = xyes],
402 [sr_python_missing=],
403 [sr_python_missing='C++ bindings'])
405 # Extract major and minor version number of the Python interpreter.
406 sr_pymajor=${PYTHON_VERSION%%.*}
407 sr_pyminor=${PYTHON_VERSION#*.}
409 # The Python bindings need Python development files. Check for either
410 # Python 3 or Python 2 headers depending on the interpreter version.
411 SR_PKG_CHECK([python_dev], [SR_PKGLIBS_PYTHON],
412 [python = $PYTHON_VERSION],
413 [python$sr_pymajor = $PYTHON_VERSION],
414 [python$sr_pymajor$sr_pyminor = $PYTHON_VERSION],
415 [python-$PYTHON_VERSION = $PYTHON_VERSION])
417 AS_IF([test "x$sr_have_python_dev" != xyes],
418 [SR_APPEND([sr_python_missing], [', '], [Headers])])
420 # PyGObject is needed for the Python bindings.
421 SR_PKG_CHECK([pygobject], [SR_PKGLIBS_PYTHON], [pygobject-3.0 >= 3.0.0])
422 AS_IF([test "x$sr_have_pygobject" != xyes],
423 [SR_APPEND([sr_python_missing], [', '], [PyGObject])])
425 PKG_CHECK_EXISTS([pygobject-3.0 < 3.7.91],
426 [AC_DEFINE([PYGOBJECT_FLAGS_SIGNED], [1],
427 [Whether last argument to pyg_flags_get_value() is signed.])])
429 # The Python bindings need the setuptools and numpy Python modules.
430 # We'll let it go through even if the AX macro wasn't found, as the
431 # Python modules may still be there.
432 m4_ifdef([AX_PYTHON_MODULE], [
433 AX_PYTHON_MODULE([setuptools])
434 AX_PYTHON_MODULE([numpy])
436 HAVE_PYMOD_SETUPTOOLS=yes
438 m4_warn([unsupported],
439 [Missing macro AX_PYTHON_MODULE: no check for setuptools and numpy])
441 AS_IF([test "x$HAVE_PYMOD_SETUPTOOLS" != xyes],
442 [SR_APPEND([sr_python_missing], [', '], [setuptools])])
443 AS_IF([test "x$HAVE_PYMOD_NUMPY" != xyes],
444 [SR_APPEND([sr_python_missing], [', '], [numpy])])
446 # The Python bindings use SWIG to generate code.
447 AC_CHECK_PROGS([SWIG], [swig swig4.0 swig3.0 swig2.0])
448 AS_IF([test "x$SWIG" != x],
449 AC_MSG_CHECKING([for $SWIG version])
450 [SWIG_VERSION=`$SWIG -version 2>&1 | sed -n 's/SWIG Version //p'`]
451 AC_MSG_RESULT([$SWIG_VERSION]))
452 AS_IF([test "x$SWIG" = x],
453 [SR_APPEND([sr_python_missing], [', '], [SWIG])])
455 AS_IF([test -z "$sr_python_missing"],
456 [BINDINGS_PYTHON=$enable_python], [BINDINGS_PYTHON=no])
457 AM_CONDITIONAL([BINDINGS_PYTHON], [test "x$BINDINGS_PYTHON" = xyes])
459 #####################
461 #####################
463 AS_IF([test "x$BINDINGS_CXX" = xyes],
465 [sr_ruby_missing='C++ bindings'])
467 AC_PATH_PROGS(RUBY, ["${RUBY-ruby}"], [])
468 AS_IF([test "x$RUBY" != x],
469 AC_MSG_CHECKING([for Ruby version])
470 [RUBY_VERSION=`$RUBY -e 'puts RUBY_VERSION'`]
471 AC_MSG_RESULT([$RUBY_VERSION])
472 [RUBY_DLEXT=`$RUBY -rrbconfig -e 'puts RbConfig::CONFIG[["DLEXT"]]'`]
473 AC_SUBST(RUBY_DLEXT))
475 AS_IF([test "x$RUBY" = x],
476 [SR_APPEND([sr_ruby_missing], [', '], [Ruby])])
478 # Extract major and minor version number of the Ruby interpreter.
479 sr_rbmajor=${RUBY_VERSION%%.*}
480 sr_rbminor=${RUBY_VERSION#*.}
481 sr_rbminor=${sr_rbminor%%.*}
483 # The Ruby bindings need Ruby development files.
484 SR_PKG_CHECK([ruby_dev], [SR_PKGLIBS_RUBY],
486 [ruby-$sr_rbmajor.$sr_rbminor])
488 AS_IF([test "x$sr_have_ruby_dev" != xyes],
489 [SR_APPEND([sr_ruby_missing], [', '], [Headers])])
491 # The Ruby bindings use SWIG >= 3.0.8 to generate code.
492 AS_IF([test "x$SWIG" = x],
493 [SR_APPEND([sr_ruby_missing], [', '], [SWIG])],
494 [AS_VERSION_COMPARE($SWIG_VERSION, "3.0.8",
495 [SR_APPEND([sr_ruby_missing], [', '], ['SWIG >= 3.0.8'])])])
497 AS_IF([test -z "$sr_ruby_missing"],
498 [BINDINGS_RUBY=$enable_ruby], [BINDINGS_RUBY=no])
499 AM_CONDITIONAL([BINDINGS_RUBY], [test "x$BINDINGS_RUBY" = xyes])
505 AS_IF([test "x$BINDINGS_CXX" = xyes],
507 [sr_java_missing='C++ bindings'])
509 # The Java bindings use SWIG to generate code.
510 AS_IF([test "x$SWIG" = x],
511 [SR_APPEND([sr_java_missing], [', '], [SWIG])])
513 # Find Java compiler and JNI includes for Java bindings.
514 AC_CHECK_PROG([HAVE_JAVAC], [javac], [yes], [no])
515 AS_IF([test "x$HAVE_JAVAC" = xno],
516 [SR_APPEND([sr_java_missing], [', '], [JavaC])])
518 AC_ARG_WITH([jni-include-path],
519 [AS_HELP_STRING([[--with-jni-include-path=DIR-LIST (space-separated)]],
520 [specify JNI include directories [default=detect]])],
521 [JNI_INCLUDE_DIRS=" $withval"], [JNI_INCLUDE_DIRS=])
524 AS_IF([test "x$enable_java$HAVE_JAVAC" = xyesyes], [
526 AS_IF([test -z "$JNI_INCLUDE_DIRS" && test "x$cross_compiling" != xyes], [
527 ## Work around the totally broken logic in AX_JNI_INCLUDE_DIR:
528 ## If we can find jni.h without any special search path, skip
529 ## the execution of the broken macro to increase our chances of
531 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <jni.h>]], [])],,
532 [AX_JNI_INCLUDE_DIR])
535 for sr_dir in $JNI_INCLUDE_DIRS
537 SR_APPEND([JNI_CPPFLAGS], ["-I$sr_dir"])
539 AC_SUBST([JNI_CPPFLAGS])
541 sr_save_cppflags=$CPPFLAGS
542 SR_APPEND([CPPFLAGS], [$JNI_CPPFLAGS])
543 AC_CHECK_HEADER([jni.h],,
544 [SR_APPEND([sr_java_missing], [', '], ['JNI headers'])])
545 CPPFLAGS=$sr_save_cppflags
547 AS_IF([test -z "$sr_java_missing"],
548 [BINDINGS_JAVA=$enable_java], [BINDINGS_JAVA=no])
549 AM_CONDITIONAL([BINDINGS_JAVA], [test "x$BINDINGS_JAVA" = xyes])
551 ##############################
552 ## Finalize configuration ##
553 ##############################
555 # Add mandatory dependencies to module list.
556 SR_APPEND([SR_PKGLIBS], ['libzip >= 0.10'])
557 AC_SUBST([SR_PKGLIBS])
559 # Retrieve the compile and link flags for all modules combined.
560 # Also, bail out at this point if any module dependency is not met.
561 PKG_CHECK_MODULES([LIBSIGROK], [glib-2.0 >= 2.32.0 $SR_PKGLIBS])
562 PKG_CHECK_MODULES([TESTS], [$SR_PKGLIBS_TESTS glib-2.0 $SR_PKGLIBS])
564 # SR_PKGLIBS_CXX may be empty, so only invoke these checks when
565 # the C++ bindings are enabled.
566 AM_COND_IF([BINDINGS_CXX], [
567 PKG_CHECK_MODULES([LIBSIGROKCXX], [$SR_PKGLIBS_CXX])
568 PKG_CHECK_MODULES([PYSIGROK], [$SR_PKGLIBS_PYTHON $SR_PKGLIBS_CXX])
569 PKG_CHECK_MODULES([RBSIGROK], [$SR_PKGLIBS_RUBY $SR_PKGLIBS_CXX], [AC_SUBST(RBSIGROK_EXTDIR, "lib/$($PKG_CONFIG --variable=sitearch $SR_PKGLIBS_RUBY)/$($PKG_CONFIG --variable=RUBY_BASE_NAME $SR_PKGLIBS_RUBY)/vendor_ruby/$($PKG_CONFIG --variable=ruby_version $SR_PKGLIBS_RUBY)")])
572 # Check for specific libusb features, now that we know the CFLAGS.
574 sr_save_cflags=$CFLAGS
576 CFLAGS="$LIBSIGROK_CFLAGS $CFLAGS"
577 LIBS="$LIBSIGROK_LIBS $LIBS"
578 AC_CHECK_TYPES([libusb_os_handle],
579 [sr_have_libusb_os_handle=yes], [sr_have_libusb_os_handle=no],
580 [[#include <libusb.h>]])
581 AC_CHECK_FUNCS([zip_discard])
583 CFLAGS=$sr_save_cflags
585 AM_COND_IF([NEED_USB], [AS_CASE([$sr_have_libusb_os_handle:$host_os], [no:mingw*],
586 [AC_MSG_ERROR([Windows builds require the event-abstraction branch of libusb])])])
588 sr_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
589 sr_libzip_version=`$PKG_CONFIG --modversion libzip 2>&AS_MESSAGE_LOG_FD`
591 AC_DEFINE_UNQUOTED([CONF_LIBZIP_VERSION], ["$sr_libzip_version"],
592 [Build-time version of libzip.])
593 AC_DEFINE_UNQUOTED([CONF_HOST], ["$host"],
594 [The canonical host libsigrok will run on.])
596 AC_CONFIG_FILES([Makefile libsigrok.pc bindings/cxx/libsigrokcxx.pc])
600 # Prepare bindings report messages.
601 m4_define([SR_PREPARE_BINDING_REPORT], [
603 test -z "$sr_$1_missing" || sr_report_$1=" (missing: $sr_$1_missing)"
604 test "x$enable_$1" = xyes || sr_report_$1=' (disabled)'
606 m4_map_args([SR_PREPARE_BINDING_REPORT], [cxx], [python], [ruby], [java])
608 cat >&AS_MESSAGE_FD <<_EOF
610 libsigrok configuration summary:
611 - Package version................. $SR_PACKAGE_VERSION
612 - Library ABI version............. $SR_LIB_VERSION
613 - Prefix.......................... $prefix
614 - Building on..................... $build
615 - Building for.................... $host
616 - Building shared / static........ $enable_shared / $enable_static
618 Compile configuration:
619 - C compiler...................... $CC
620 - C compiler version.............. $sr_cc_version
621 - C compiler flags................ $CFLAGS
622 - Additional C compiler flags..... $SR_EXTRA_CFLAGS
623 - C compiler warnings............. $SR_WFLAGS
624 - C++ compiler.................... $CXX
625 - C++ compiler version............ $sr_cxx_version
626 - C++ compiler flags.............. $CXXFLAGS
627 - C++ compiler warnings........... $SR_WXXFLAGS
628 - Linker flags.................... $LDFLAGS
630 Detected libraries (required):
631 - glib-2.0 >= 2.32.0.............. $sr_glib_version
632 - libzip >= 0.10.................. $sr_libzip_version
634 Detected libraries (optional):
636 Enabled hardware drivers:
638 Enabled serial communication transports:
639 - serial comm ................... $sr_have_serial_comm
640 - libserialport ................. $sr_have_libserialport
641 - hidapi ........................ $sr_have_libhidapi
642 - bluetooth ..................... $sr_have_bluetooth
643 - bluez ......................... $sr_have_libbluez
645 Enabled SCPI backends:
646 - TCP............................. yes
647 - RPC............................. $sr_cv_have_rpc
648 - serial.......................... $sr_have_serial_comm
649 - VISA............................ $sr_have_librevisa
650 - GPIB............................ $sr_have_libgpib
651 - USBTMC.......................... $sr_have_libusb
653 Enabled language bindings:
654 - C++............................. $BINDINGS_CXX$sr_report_cxx
655 - Python.......................... $BINDINGS_PYTHON$sr_report_python
656 - Ruby............................ $BINDINGS_RUBY$sr_report_ruby
657 - Java............................ $BINDINGS_JAVA$sr_report_java
661 # Emit a warning if the C++ bindings are not being built.
662 AM_COND_IF([BINDINGS_CXX], [], [
663 cat >&AS_MESSAGE_FD <<_EOF
664 ===============================================================================
665 WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
666 ===============================================================================
668 === The libsigrok C++ bindings are not being built since you ===
669 === are missing one or more dependencies (see above)! ===
671 === This means you won't be able to compile frontends that require ===
672 === the C++ bindings (such as PulseView)! You also won't be able to build ===
673 === other bindings and frontends using those (such as sigrok-meter)! ===
675 ===============================================================================
676 WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
677 ===============================================================================