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1 ##
2 ## This file is part of the libsigrok project.
3 ##
4 ## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
5 ## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
6 ##
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.
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, see <http://www.gnu.org/licenses/>.
19 ##
20
21 # We require at least autoconf 2.63 (AC_INIT format changed there).
22 AC_PREREQ([2.63])
23
24 AC_INIT([libsigrok], [0.4.0],
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])
30
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])
35
36 AH_TOP([#ifndef SR_CONFIG_H
37 #define SR_CONFIG_H    /* To stop multiple inclusions. */])
38 AH_BOTTOM([#endif /* SR_CONFIG_H */])
39
40 # Checks for programs.
41 AC_PROG_CC
42 AC_PROG_CXX
43 AC_PROG_INSTALL
44 AC_PROG_LN_S
45
46 # Required for per-target flags or subdir-objects with C sources.
47 AM_PROG_CC_C_O
48
49 # Check if order-only dependencies are supported.
50 SR_PROG_MAKE_ORDER_ONLY
51
52 # Initialize libtool.
53 LT_INIT
54
55 # Set up the libsigrok version defines.
56 SR_PKG_VERSION_SET([SR_PACKAGE_VERSION], [AC_PACKAGE_VERSION])
57
58 # Library version for libsigrok (NOT the same as the package version).
59 # Carefully read the libtool docs before updating these numbers!
60 # The algorithm for determining which number to change (and how) is nontrivial!
61 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
62 SR_LIB_VERSION_SET([SR_LIB_VERSION], [2:0:0])
63
64 #############################
65 ##  Optional dependencies  ##
66 #############################
67
68 AC_LANG([C])
69
70 # Initialize pkg-config.
71 # We require at least 0.22, as "Requires.private" behaviour changed there.
72 PKG_PROG_PKG_CONFIG([0.22])
73
74 # Keep track of all checked modules so we can list them at the end.
75 SR_PKG_CHECK_SUMMARY([sr_pkglibs_summary])
76
77 # Collect the pkg-config module names of all dependencies in SR_PKGLIBS.
78 # These are used to derive the compiler flags and for the "Requires.private"
79 # field in the generated libsigrok.pc file.
80 SR_VAR_OPT_PKG([SR_PKGLIBS], [sr_deps_avail])
81 SR_PKGLIBS_TESTS=
82 SR_PKGLIBS_CXX=
83 SR_PKGLIBS_PYTHON=
84 SR_EXTRA_LIBS=
85
86 SR_ARG_OPT_PKG([libserialport], [LIBSERIALPORT], [NEED_SERIAL],
87         [libserialport >= 0.1.1])
88
89 SR_ARG_OPT_PKG([libftdi], [LIBFTDI],,
90         [libftdi1 >= 1.0], [libftdi >= 0.16])
91
92 # FreeBSD comes with an "integrated" libusb-1.0-style USB API.
93 # This means libusb-1.0 is always available; no need to check for it.
94 AS_CASE([$host], [*freebsd*], [sr_have_libusb=yes])
95
96 SR_ARG_OPT_PKG([libusb], [LIBUSB_1_0], [NEED_USB],
97         [libusb-1.0 >= 1.0.16])
98
99 SR_ARG_OPT_PKG([librevisa], [LIBREVISA], [NEED_VISA],
100         [librevisa >= 0.0.20130412])
101
102 SR_ARG_OPT_PKG([libgpib], [LIBGPIB], [NEED_GPIB],
103         [libgpib])
104
105 SR_ARG_OPT_CHECK([libieee1284], [LIBIEEE1284],, [
106         sr_save_LIBS=$LIBS
107         LIBS="-lieee1284 $LIBS"
108         AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <ieee1284.h>]],
109                                 [[(void) ieee1284_open(0, 0, 0);]])],
110                 [sr_have_libieee1284=yes], [sr_have_libieee1284=no])
111         sr_save_LIBS=$LIBS
112 ])
113 AS_IF([test "x$sr_have_libieee1284" = xyes],
114         [SR_PREPEND([SR_EXTRA_LIBS], [-lieee1284])])
115
116 ######################
117 ##  Feature checks  ##
118 ######################
119
120 # The Check unit testing framework is optional. Disable if not found.
121 SR_PKG_CHECK([check], [SR_PKGLIBS_TESTS], [check >= 0.9.4])
122 AM_CONDITIONAL([HAVE_CHECK], [test "x$sr_have_check" = xyes])
123
124 # Enable the C99 standard if possible, and enforce the use
125 # of SR_API to explicitly mark all public API functions.
126 SR_EXTRA_CFLAGS=
127 SR_CHECK_COMPILE_FLAGS([SR_EXTRA_CFLAGS], [C99], [-std=c99 -c99 -AC99 -qlanglvl=extc99])
128 SR_CHECK_COMPILE_FLAGS([SR_EXTRA_CFLAGS], [visibility], [-fvisibility=hidden])
129
130 SR_ARG_ENABLE_WARNINGS([SR_WFLAGS], [-Wall], [-Wall -Wextra -Wmissing-prototypes])
131
132 # Check host characteristics.
133 AC_SYS_LARGEFILE
134 AC_C_BIGENDIAN
135
136 AC_CHECK_HEADERS([sys/mman.h], [SR_APPEND([sr_deps_avail], [sys_mman_h])])
137 AC_CHECK_HEADERS([sys/ioctl.h], [SR_APPEND([sr_deps_avail], [sys_ioctl_h])])
138 AC_CHECK_HEADERS([sys/timerfd.h], [SR_APPEND([sr_deps_avail], [sys_timerfd_h])])
139
140 # We need to link against the Winsock2 library for SCPI over TCP.
141 AS_CASE([$host_os], [mingw*], [SR_PREPEND([SR_EXTRA_LIBS], [-lws2_32])])
142
143 # libm (the standard math library) is always needed.
144 SR_SEARCH_LIBS([SR_EXTRA_LIBS], [pow], [m])
145
146 # RPC is only needed for VXI support.
147 AC_CACHE_CHECK([for RPC support], [sr_cv_have_rpc],
148         [AC_LINK_IFELSE([AC_LANG_PROGRAM(
149                         [[#include <rpc/rpc.h>]m4_newline[CLIENT *rpc_test(void);]],
150                         [[(void) clnt_create("", 0, 0, "");]])],
151                 [sr_cv_have_rpc=yes], [sr_cv_have_rpc=no])])
152 AS_IF([test "x$sr_cv_have_rpc" = xyes],
153         [AC_DEFINE([HAVE_RPC], [1], [Specifies whether we have RPC support.])])
154 # VXI support is only compiled if RPC support was found.
155 AM_CONDITIONAL([NEED_RPC], [test "x$sr_cv_have_rpc" = xyes])
156
157 ########################
158 ##  Hardware drivers  ##
159 ########################
160
161 # Keep track of all drivers so we can list them at the end.
162 SR_VAR_SUMMARY([sr_driver_summary])
163
164 # Check whether the sr_deps_avail list contains all of the arguments.
165 # Unavailable dependencies are collected in sr_deps_missing.
166 sr_check_driver_deps() {
167         sr_deps_missing=
168         for sr_dep
169         do
170                 AS_CASE([" $sr_deps_avail "], [*" $sr_dep "*],,
171                         [SR_APPEND([sr_deps_missing], [', '], [$sr_dep])])
172         done
173         test -z "$sr_deps_missing" || return 1
174 }
175
176 AC_ARG_ENABLE([all-drivers],
177         [AS_HELP_STRING([--enable-all-drivers],
178                         [enable all drivers by default [default=yes]])],
179         [], [enable_all_drivers=yes])
180
181 ## _SR_DRIVER(Device name, driver-name, var-name, [dependencies...])
182 m4_define([_SR_DRIVER], [
183         AC_ARG_ENABLE([$2],
184                 [AS_HELP_STRING([--enable-$2], [enable $1 support])],
185                 [$3=$enableval], [$3=$enable_all_drivers])
186
187         AS_IF([test "x[$]$3" = xyes], [sr_hw_info=yes[]m4_ifval([$4], [
188                 sr_check_driver_deps $4 \
189                         || $3=no sr_hw_info="no (missing: $sr_deps_missing)"
190         ])], [sr_hw_info='no (disabled)'])
191         sr_driver_summary_append "$2" "$sr_hw_info"
192
193         AM_CONDITIONAL([$3], [test "x[$]$3" = xyes])
194         AM_COND_IF([$3], [AC_DEFINE([HAVE_$3], [1], [Whether to support $1 device.])])
195 ])
196
197 ## SR_DRIVER(Device name, driver-name, [dependencies...])
198 m4_define([SR_DRIVER],
199         [_SR_DRIVER([$1], [$2], m4_expand([AS_TR_CPP([HW_$2])]), [$3])])
200
201 SR_DRIVER([Agilent DMM], [agilent-dmm], [libserialport])
202 SR_DRIVER([Appa 55II], [appa-55ii], [libserialport])
203 SR_DRIVER([ASIX SIGMA/SIGMA2], [asix-sigma], [libftdi])
204 SR_DRIVER([Atten PPS3xxx], [atten-pps3xxx], [libserialport])
205 SR_DRIVER([BayLibre ACME], [baylibre-acme], [sys_timerfd_h])
206 SR_DRIVER([BeagleLogic], [beaglelogic], [sys_mman_h sys_ioctl_h])
207 SR_DRIVER([Brymen BM86x], [brymen-bm86x], [libusb])
208 SR_DRIVER([Brymen DMM], [brymen-dmm], [libserialport])
209 SR_DRIVER([CEM DT-885x], [cem-dt-885x], [libserialport])
210 SR_DRIVER([Center 3xx], [center-3xx], [libserialport])
211 SR_DRIVER([ChronoVu LA], [chronovu-la], [libftdi])
212 SR_DRIVER([Colead SLM], [colead-slm], [libserialport])
213 SR_DRIVER([Conrad DIGI 35 CPU], [conrad-digi-35-cpu], [libserialport])
214 SR_DRIVER([DER EE DE-5000], [deree-de5000], [libserialport])
215 SR_DRIVER([demo], [demo])
216 SR_DRIVER([Fluke DMM], [fluke-dmm], [libserialport])
217 SR_DRIVER([fx2lafw], [fx2lafw], [libusb])
218 SR_DRIVER([GMC MH 1x/2x], [gmc-mh-1x-2x], [libserialport])
219 SR_DRIVER([Hameg HMO], [hameg-hmo], [libserialport])
220 SR_DRIVER([Hantek DSO], [hantek-dso], [libusb])
221 SR_DRIVER([Ikalogic Scanalogic-2], [ikalogic-scanalogic2], [libusb])
222 SR_DRIVER([Ikalogic Scanaplus], [ikalogic-scanaplus], [libftdi])
223 SR_DRIVER([Kecheng KC-330B], [kecheng-kc-330b], [libusb])
224 SR_DRIVER([KERN scale], [kern-scale], [libserialport])
225 SR_DRIVER([Lascar EL-USB], [lascar-el-usb], [libusb])
226 SR_DRIVER([Manson HCS-3xxx], [manson-hcs-3xxx], [libserialport])
227 SR_DRIVER([maynuo-m97], [maynuo-m97])
228 SR_DRIVER([MIC 985xx], [mic-985xx], [libserialport])
229 SR_DRIVER([Motech LPS 30x], [motech-lps-30x], [libserialport])
230 SR_DRIVER([Norma DMM], [norma-dmm], [libserialport])
231 SR_DRIVER([OpenBench Logic Sniffer], [openbench-logic-sniffer], [libserialport])
232 SR_DRIVER([Pipistrello-OLS], [pipistrello-ols], [libftdi])
233 SR_DRIVER([Rigol DS], [rigol-ds])
234 SR_DRIVER([Saleae Logic16], [saleae-logic16], [libusb])
235 SR_DRIVER([SCPI PPS], [scpi-pps])
236 SR_DRIVER([serial DMM], [serial-dmm], [libserialport])
237 SR_DRIVER([Sysclk LWLA], [sysclk-lwla], [libusb])
238 SR_DRIVER([Teleinfo], [teleinfo], [libserialport])
239 SR_DRIVER([Testo], [testo], [libusb])
240 SR_DRIVER([Tondaj SL-814], [tondaj-sl-814], [libserialport])
241 SR_DRIVER([UNI-T DMM], [uni-t-dmm], [libusb])
242 SR_DRIVER([UNI-T UT32x], [uni-t-ut32x], [libusb])
243 SR_DRIVER([Victor DMM], [victor-dmm], [libusb])
244 SR_DRIVER([Yokogawa DL/DLM], [yokogawa-dlm])
245 SR_DRIVER([ZEROPLUS Logic Cube], [zeroplus-logic-cube], [libusb])
246
247 ###############################
248 ##  Language bindings setup  ##
249 ###############################
250
251 AC_LANG([C++])
252 SR_ARG_ENABLE_WARNINGS([SR_WXXFLAGS], [-Wall], [-Wall -Wextra])
253
254 AC_ARG_ENABLE([bindings],
255         [AS_HELP_STRING([--enable-bindings], [build language bindings [default=yes]])],
256         [], [enable_bindings=yes])
257
258 AC_ARG_ENABLE([cxx],
259         [AS_HELP_STRING([--enable-cxx], [build C++ bindings [default=yes]])],
260         [], [enable_cxx=$enable_bindings])
261
262 AC_ARG_ENABLE([python],
263         [AS_HELP_STRING([--enable-python], [build Python bindings [default=yes]])],
264         [], [enable_python=$enable_bindings])
265
266 AC_ARG_ENABLE([java],
267         [AS_HELP_STRING([--enable-java], [build Java bindings [default=yes]])],
268         [], [enable_java=$enable_bindings])
269
270 ####################
271 ##  C++ bindings  ##
272 ####################
273
274 sr_cxx_missing=
275
276 # Check if the C++ compiler supports the C++11 standard.
277 AX_CXX_COMPILE_STDCXX_11([noext], [optional])
278 AS_IF([test "x$HAVE_CXX11" != x1],
279         [SR_APPEND([sr_cxx_missing], [', '], ['C++11'])])
280
281 # The C++ bindings need glibmm.
282 SR_PKG_CHECK([glibmm], [SR_PKGLIBS_CXX], [glibmm-2.4 >= 2.32.0])
283 AS_IF([test "x$sr_have_glibmm" != xyes],
284         [SR_APPEND([sr_cxx_missing], [', '], [glibmm])])
285
286 # The C++ bindings use Doxygen to parse libsigrok symbols.
287 AC_CHECK_PROG([HAVE_DOXYGEN], [doxygen], [yes], [no])
288 AS_IF([test "x$HAVE_DOXYGEN" != xyes],
289         [SR_APPEND([sr_cxx_missing], [', '], [Doxygen])])
290
291 # Python is needed for the C++ bindings.
292 AM_PATH_PYTHON([2.7],
293         [HAVE_PYTHON=yes],
294         [HAVE_PYTHON=no
295         SR_APPEND([sr_cxx_missing], [', '], [Python])])
296
297 AS_IF([test -z "$sr_cxx_missing"],
298         [BINDINGS_CXX=$enable_cxx], [BINDINGS_CXX=no])
299 AM_CONDITIONAL([BINDINGS_CXX], [test "x$BINDINGS_CXX" = xyes])
300
301 # C++ bindings want stoi and stod.
302 AM_COND_IF([BINDINGS_CXX], [
303         AC_CACHE_CHECK([for stoi and stod], [sr_cv_have_stoi_stod],
304                 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string>]],
305                                 [[(void) std::stoi("1"); (void) std::stod("1.0");]])],
306                         [sr_cv_have_stoi_stod=yes], [sr_cv_have_stoi_stod=no])])
307         AS_IF([test "x$sr_cv_have_stoi_stod" = xyes],
308                 [AC_DEFINE([HAVE_STOI_STOD], [1],
309                         [Specifies whether we have the stoi and stod functions.])])
310 ])
311
312 #######################
313 ##  Python bindings  ##
314 #######################
315
316 AS_IF([test "x$BINDINGS_CXX" = xyes],
317         [sr_python_missing=],
318         [sr_python_missing='C++ bindings'])
319
320 # The Python bindings need Python development files.
321 SR_PKG_CHECK([python_dev], [SR_PKGLIBS_PYTHON],
322         [python >= 2.7], [python2 >= 2.7], [python27 >= 2.7])
323 AS_IF([test "x$sr_have_python_dev" != xyes],
324         [SR_APPEND([sr_python_missing], [', '], [Headers])])
325
326 # PyGObject is needed for the Python bindings.
327 SR_PKG_CHECK([pygobject], [SR_PKGLIBS_PYTHON], [pygobject-3.0 >= 3.0.0])
328 AS_IF([test "x$sr_have_pygobject" != xyes],
329         [SR_APPEND([sr_python_missing], [', '], [PyGObject])])
330
331 PKG_CHECK_EXISTS([pygobject-3.0 < 3.7.91],
332         [AC_DEFINE([PYGOBJECT_FLAGS_SIGNED], [1],
333                 [Whether last argument to pyg_flags_get_value() is signed.])])
334
335 # The Python bindings need the setuptools Python module.
336 # We'll let it go through even if the AX macro wasn't found,
337 # as the Python module may still be there.
338 HAVE_PYMOD_SETUPTOOLS=yes
339 m4_ifdef([AX_PYTHON_MODULE],
340         [AX_PYTHON_MODULE([setuptools])],
341         [m4_warn([unsupported], [Missing macro AX_PYTHON_MODULE: no setuptools check])])
342 AS_IF([test "x$HAVE_PYMOD_SETUPTOOLS" != xyes],
343         [SR_APPEND([sr_python_missing], [', '], [setuptools])])
344
345 # The Python bindings use SWIG to generate code.
346 AC_CHECK_PROGS([SWIG], [swig swig3.0 swig2.0])
347 AS_IF([test "x$SWIG" = x],
348         [SR_APPEND([sr_python_missing], [', '], [SWIG])])
349
350 AS_IF([test -z "$sr_python_missing"],
351         [BINDINGS_PYTHON=$enable_python], [BINDINGS_PYTHON=no])
352 AM_CONDITIONAL([BINDINGS_PYTHON], [test "x$BINDINGS_PYTHON" = xyes])
353
354 ####################
355 ##  Java bindings ##
356 ####################
357
358 AS_IF([test "x$BINDINGS_CXX" = xyes],
359         [sr_java_missing=],
360         [sr_java_missing='C++ bindings'])
361
362 # The Java bindings use SWIG to generate code.
363 AS_IF([test "x$SWIG" = x],
364         [SR_APPEND([sr_java_missing], [', '], [SWIG])])
365
366 # Find Java compiler and JNI includes for Java bindings.
367 AC_CHECK_PROG([HAVE_JAVAC], [javac], [yes], [no])
368 AS_IF([test "x$HAVE_JAVAC" = xno],
369         [SR_APPEND([sr_java_missing], [', '], [JavaC])])
370
371 AC_ARG_WITH([jni-include-path],
372         [AS_HELP_STRING([[--with-jni-include-path=DIR-LIST (space-separated)]],
373                 [specify JNI include directories [default=detect]])],
374         [JNI_INCLUDE_DIRS=" $withval"], [JNI_INCLUDE_DIRS=])
375
376 JNI_CPPFLAGS=
377 AS_IF([test "x$enable_java$HAVE_JAVAC" = xyesyes], [
378         AX_PROG_JAVAC
379         AS_IF([test -z "$JNI_INCLUDE_DIRS" && test "x$cross_compiling" != xyes], [
380                 ## Work around the totally broken logic in AX_JNI_INCLUDE_DIR:
381                 ## If we can find jni.h without any special search path, skip
382                 ## the execution of the broken macro to increase our chances of
383                 ## success.
384                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <jni.h>]], [])],,
385                         [AX_JNI_INCLUDE_DIR])
386         ])
387 ])
388 for sr_dir in $JNI_INCLUDE_DIRS
389 do
390         SR_APPEND([JNI_CPPFLAGS], ["-I$sr_dir"])
391 done
392 AC_SUBST([JNI_CPPFLAGS])
393
394 sr_save_cppflags=$CPPFLAGS
395 SR_APPEND([CPPFLAGS], [$JNI_CPPFLAGS])
396 AC_CHECK_HEADER([jni.h],,
397         [SR_APPEND([sr_java_missing], [', '], ['JNI headers'])])
398 CPPFLAGS=$sr_save_cppflags
399
400 AS_IF([test -z "$sr_java_missing"],
401         [BINDINGS_JAVA=$enable_java], [BINDINGS_JAVA=no])
402 AM_CONDITIONAL([BINDINGS_JAVA], [test "x$BINDINGS_JAVA" = xyes])
403
404 ##############################
405 ##  Finalize configuration  ##
406 ##############################
407
408 # Add mandatory dependencies to module list.
409 SR_APPEND([SR_PKGLIBS], ['libzip >= 0.10'])
410 AC_SUBST([SR_PKGLIBS])
411
412 # Retrieve the compile and link flags for all modules combined.
413 # Also, bail out at this point if any module dependency is not met.
414 PKG_CHECK_MODULES([LIBSIGROK], [glib-2.0 >= 2.32.0 $SR_PKGLIBS])
415 PKG_CHECK_MODULES([TESTS], [$SR_PKGLIBS_TESTS glib-2.0 $SR_PKGLIBS])
416
417 # SR_PKGLIBS_CXX may be empty, so only invoke these checks when
418 # the C++ bindings are enabled.
419 AM_COND_IF([BINDINGS_CXX], [
420         PKG_CHECK_MODULES([LIBSIGROKCXX], [$SR_PKGLIBS_CXX])
421         PKG_CHECK_MODULES([PYSIGROK], [$SR_PKGLIBS_PYTHON $SR_PKGLIBS_CXX])
422 ])
423 sr_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
424 sr_libzip_version=`$PKG_CONFIG --modversion libzip 2>&AS_MESSAGE_LOG_FD`
425
426 AC_DEFINE_UNQUOTED([CONF_LIBZIP_VERSION], ["$sr_libzip_version"],
427         [Build-time version of libzip.])
428 AC_DEFINE_UNQUOTED([CONF_HOST], ["$host"],
429         [The canonical host libsigrok will run on.])
430
431 AC_CONFIG_FILES([Makefile libsigrok.pc bindings/cxx/libsigrokcxx.pc])
432
433 AC_OUTPUT
434
435 # Prepare bindings report messages.
436 m4_define([SR_PREPARE_BINDING_REPORT], [
437         sr_report_$1=
438         test -z "$sr_$1_missing" || sr_report_$1=" (missing: $sr_$1_missing)"
439         test "x$enable_$1" = xyes || sr_report_$1=' (disabled)'
440 ])
441 m4_map_args([SR_PREPARE_BINDING_REPORT], [cxx], [python], [java])
442
443 cat >&AS_MESSAGE_FD <<_EOF
444
445 libsigrok configuration summary:
446  - Package version................. $SR_PACKAGE_VERSION
447  - Library ABI version............. $SR_LIB_VERSION
448  - Prefix.......................... $prefix
449  - Building on..................... $build
450  - Building for.................... $host
451  - C compiler...................... $CC
452  - C compiler flags................ $CFLAGS
453  - Additional C compiler flags..... $SR_EXTRA_CFLAGS
454  - C compiler warnings............. $SR_WFLAGS
455  - C++ compiler.................... $CXX
456  - C++ compiler flags.............. $CXXFLAGS
457  - C++ compiler warnings........... $SR_WXXFLAGS
458
459 Detected libraries (required):
460  - glib-2.0 >= 2.32.0.............. $sr_glib_version
461  - libzip >= 0.10.................. $sr_libzip_version
462
463 Detected libraries (optional):
464 $sr_pkglibs_summary
465 Enabled hardware drivers:
466 $sr_driver_summary
467 Enabled SCPI backends:
468  - TCP............................. yes
469  - RPC............................. $sr_cv_have_rpc
470  - serial.......................... $sr_have_libserialport
471  - VISA............................ $sr_have_librevisa
472  - GPIB............................ $sr_have_libgpib
473  - USBTMC.......................... $sr_have_libusb
474
475 Enabled language bindings:
476  - C++............................. $BINDINGS_CXX$sr_report_cxx
477  - Python.......................... $BINDINGS_PYTHON$sr_report_python
478  - Java............................ $BINDINGS_JAVA$sr_report_java
479
480 _EOF