QTCharts should be in libqt5charts5-dev, which you'd need on top of qtbase5-dev. I can build and run lxi-gui on my Debian/unstable system like so:
./configure --enable-lxi-gui
make
./src/gui/lxi-gui/lxi-gui
Thank you for the hints. It was the --enable-lxi-gui flag that I was missing. I apologise if I missed that info somewhere on their Github, but I don't see it mentioned.
I did a 'make clean' followed by './configure --enable-lxi-gui'. This time configure reports that Qt5Charts is required. I therefore checked and found that the binary version is installed but the dev version was not. I installed the missing dev package and ran configure again. This time it completed.
Make now compiles lxi and then attempts to compile the gui, but it fails with errors. The two errors seem to relate to the earlier warnings? It does. at least, seem to be using QT5. I'm still trying to figure out what the errors are about.
$ make
Making all in src
make[1]: Entering directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/src'
CC libapp_a-options.o
CC libapp_a-discover.o
discover.c: In function ‘discover’:
discover.c:66:20: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
info.broadcast = &broadcast;
^
discover.c:67:17: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
info.device = &device;
^
discover.c:68:18: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
info.service = &service;
^
CC libapp_a-scpi.o
CC libapp_a-screenshot.o
CC libapp_a-benchmark.o
CC libapp_a-run.o
CC libapp_a-lxilua.o
lxilua.c: In function ‘connect’:
lxilua.c:51:26: warning: passing argument 1 of ‘lxi_connect’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
device = lxi_connect(address, 0, NULL, option.timeout, VXI11);
^~~~~~~
In file included from lxilua.c:36:0:
/usr/include/lxi.h:59:5: note: expected ‘char *’ but argument is of type ‘const char *’
int lxi_connect(char *address, int port, char *name, int timeout, lxi_protocol_t protocol);
^~~~~~~~~~~
lxilua.c: In function ‘scpi’:
lxilua.c:83:31: warning: passing argument 2 of ‘lxi_send’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
length = lxi_send(device, command, strlen(command), option.timeout);
^~~~~~~
In file included from lxilua.c:36:0:
/usr/include/lxi.h:60:5: note: expected ‘char *’ but argument is of type ‘const char *’
int lxi_send(int device, char *message, int length, int timeout);
^~~~~~~~
lxilua.c: In function ‘scpi_raw’:
lxilua.c:132:31: warning: passing argument 2 of ‘lxi_send’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
length = lxi_send(device, command, strlen(command), option.timeout);
^~~~~~~
In file included from lxilua.c:36:0:
/usr/include/lxi.h:60:5: note: expected ‘char *’ but argument is of type ‘const char *’
int lxi_send(int device, char *message, int length, int timeout);
^~~~~~~~
CC plugins/libapp_a-screenshot_keysight-dmm.o
CC plugins/libapp_a-screenshot_keysight-ivx.o
CC plugins/libapp_a-screenshot_rigol-1000z.o
CC plugins/libapp_a-screenshot_rigol-2000.o
CC plugins/libapp_a-screenshot_rigol-dg4000.o
CC plugins/libapp_a-screenshot_rigol-dm3068.o
CC plugins/libapp_a-screenshot_rigol-dp800.o
CC plugins/libapp_a-screenshot_rigol-dsa.o
CC plugins/libapp_a-screenshot_rohde-schwarz-hmo-rtb.o
CC plugins/libapp_a-screenshot_siglent-sdm3000.o
CC plugins/libapp_a-screenshot_siglent-sdg.o
CC plugins/libapp_a-screenshot_siglent-sds.o
CC plugins/libapp_a-screenshot_siglent-ssa3000x.o
CC plugins/libapp_a-screenshot_tektronix.o
AR libapp.a
ar: `u' modifier ignored since `D' is the default (see `U')
CC main.o
CCLD lxi
make[1]: Leaving directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/src'
Making all in man
make[1]: Entering directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/man'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/man'
Making all in src/gui/lxi-gui
make[1]: Entering directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/src/gui/lxi-gui'
qtchooser -run-tool=qmake -qt=5 -makefile -o Makefile.qmake lxi-gui.pro \
QT_INCDIR="//usr/local/include" \
QT_LIBDIR="//usr/local/lib" \
SNAPCRAFT="" \
Info: creating stash file /home/johnc/src/lxi-tools/lxi-tools-1.21/src/gui/lxi-gui/.qmake.stash
make -f Makefile.qmake all
make[2]: Entering directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/src/gui/lxi-gui'
g++ -c -pipe -O2 -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_DEPRECATED_WARNINGS -DQT_NO_DEBUG -DQT_CHARTS_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I. -isystem /usr/local/include -isystem /usr/include/x86_64-linux-gnu/qt5 -isystem /usr/include/x86_64-linux-gnu/qt5/QtCharts -isystem /usr/include/x86_64-linux-gnu/qt5/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt5/QtGui -isystem /usr/include/x86_64-linux-gnu/qt5/QtCore -I. -isystem /usr/include/libdrm -I. -I/usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++ -o main.o main.cpp
main.cpp: In function ‘void lxi_setup()’:
main.cpp:32:26: error: invalid conversion from ‘void (*)(const char*, const char*)’ to ‘void (*)(char*, char*)’ [-fpermissive]
lxi_info.broadcast = &broadcast;
^~~~~~~~~~
main.cpp:33:23: error: invalid conversion from ‘void (*)(const char*, const char*)’ to ‘void (*)(char*, char*)’ [-fpermissive]
lxi_info.device = &device;
^~~~~~~
Makefile.qmake:426: recipe for target 'main.o' failed
make[2]: *** [main.o] Error 1
make[2]: Leaving directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/src/gui/lxi-gui'
Makefile:471: recipe for target 'all-local' failed
make[1]: *** [all-local] Error 2
make[1]: Leaving directory '/home/johnc/src/lxi-tools/lxi-tools-1.21/src/gui/lxi-gui'
Makefile:409: recipe for target 'all-recursive' failed
make: *** [all-recursive] Error 1
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