[SOLVED] ruby-qml installation

[nwtmg]

Attempting to add the qml gem ruby using the command as regular user

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gem install qml


getting following error

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current directory: /home/USER/.gem/ruby/2.5.0/gems/qml-1.0.2/ext/qml
/usr/bin/ruby -r ./siteconf20200428-17005-1nticnd.rb extconf.rb
checking for qmake... yes
  >>> building libqmlbind...
Project MESSAGE: Warning: unknown QT: qml
Project MESSAGE: Warning: unknown QT: quick
Project MESSAGE: Warning: unknown QT: core-private
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -fPIC -DQMLBIND_LIBRARY -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/lib/qt4/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -Iinclude -I. -o api_application.o src/api_application.cpp
make: g++: Command not found
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -fPIC -DQMLBIND_LIBRARY -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/lib/qt4/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -Iinclude -I. -o api_engine.o src/api_engine.cpp
make: g++: Command not found
make: *** [Makefile:270: api_application.o] Error 127
make: *** Waiting for unfinished jobs....
make: *** [Makefile:278: api_engine.o] Error 127
ERROR: Failed to build libqmlbind
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
   --with-opt-dir
   --without-opt-dir
   --with-opt-include
   --without-opt-include=${opt-dir}/include
   --with-opt-lib
   --without-opt-lib=${opt-dir}/lib
   --with-make-prog
   --without-make-prog
   --srcdir=.
   --curdir
   --ruby=/usr/bin/$(RUBY_BASE_NAME)
   --with-qmake
   --without-qmake
   --enable-debug
   --disable-debug
   --enable-clean
   --disable-clean

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /home/USER/.gem/ruby/2.5.0/extensions/x86-linux/2.5.0/qml-1.0.2/mkmf.log

extconf failed, exit code 1



I feeel that Ia mmissing some qt5 files. Thanks for your help.

[doktor5000]

make: g++: Command not found

That one is pretty obvious, at first you would need to install gcc-c++

Then you probably need to install the necessary devel packages, so as root do

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urpmi gcc-c++ qt5qml-devel qt5quick-devel qt5core-devel

[nwtmg]

THanks for your response.

Getting a new error

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current directory: /home/USER/.gem/ruby/2.5.0/gems/qml-1.0.2/ext/qml
/usr/bin/ruby -r ./siteconf20200429-17176-1bcg85i.rb extconf.rb
checking for qmake... yes
  >>> building libqmlbind...
Info: creating stash file /home/USER/.gem/ruby/2.5.0/gems/qml-1.0.2/ext/qml/lib/libqmlbind/qmlbind/.qmake.stash
Project MESSAGE: This project is using private headers and will therefore be tied to this specific Qt module build version.
Project MESSAGE: Running this project against other versions of the Qt modules may crash at any arbitrary point.
Project MESSAGE: This is not a bug, but a result of using Qt internals. You have been warned!
g++ -c -pipe -std=gnu++0x -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables -fno-strict-aliasing -DPIC -fPIC -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQMLBIND_LIBRARY -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I. -Iinclude -I/usr/lib/qt5/include -I/usr/lib/qt5/include/QtWidgets -I/usr/lib/qt5/include/QtQuick -I/usr/lib/qt5/include/QtGui -I/usr/lib/qt5/include/QtQml -I/usr/lib/qt5/include/QtNetwork -I/usr/lib/qt5/include/QtCore/5.12.6 -I/usr/lib/qt5/include/QtCore/5.12.6/QtCore -I/usr/lib/qt5/include/QtCore -I. -isystem /usr/include/libdrm -I/usr/lib/qt5/mkspecs/linux-g++ -o api_application.o src/api_application.cpp
g++ -c -pipe -std=gnu++0x -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables -fno-strict-aliasing -DPIC -fPIC -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQMLBIND_LIBRARY -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I. -Iinclude -I/usr/lib/qt5/include -I/usr/lib/qt5/include/QtWidgets -I/usr/lib/qt5/include/QtQuick -I/usr/lib/qt5/include/QtGui -I/usr/lib/qt5/include/QtQml -I/usr/lib/qt5/include/QtNetwork -I/usr/lib/qt5/include/QtCore/5.12.6 -I/usr/lib/qt5/include/QtCore/5.12.6/QtCore -I/usr/lib/qt5/include/QtCore -I. -isystem /usr/include/libdrm -I/usr/lib/qt5/mkspecs/linux-g++ -o api_engine.o src/api_engine.cpp
g++ -c -pipe -std=gnu++0x -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables -fno-strict-aliasing -DPIC -fPIC -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQMLBIND_LIBRARY -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I. -Iinclude -I/usr/lib/qt5/include -I/usr/lib/qt5/include/QtWidgets -I/usr/lib/qt5/include/QtQuick -I/usr/lib/qt5/include/QtGui -I/usr/lib/qt5/include/QtQml -I/usr/lib/qt5/include/QtNetwork -I/usr/lib/qt5/include/QtCore/5.12.6 -I/usr/lib/qt5/include/QtCore/5.12.6/QtCore -I/usr/lib/qt5/include/QtCore -I. -isystem /usr/include/libdrm -I/usr/lib/qt5/mkspecs/linux-g++ -o api_iterator.o src/api_iterator.cpp
g++ -c -pipe -std=gnu++0x -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fomit-frame-pointer -march=i586 -mtune=generic -fasynchronous-unwind-tables -fno-strict-aliasing -DPIC -fPIC -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQMLBIND_LIBRARY -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I. -Iinclude -I/usr/lib/qt5/include -I/usr/lib/qt5/include/QtWidgets -I/usr/lib/qt5/include/QtQuick -I/usr/lib/qt5/include/QtGui -I/usr/lib/qt5/include/QtQml -I/usr/lib/qt5/include/QtNetwork -I/usr/lib/qt5/include/QtCore/5.12.6 -I/usr/lib/qt5/include/QtCore/5.12.6/QtCore -I/usr/lib/qt5/include/QtCore -I. -isystem /usr/include/libdrm -I/usr/lib/qt5/mkspecs/linux-g++ -o api_value.o src/api_value.cpp
src/api_application.cpp:4:10: fatal error: QApplication: No such file or directory
 #include <QApplication>
          ^~~~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:630: api_application.o] Error 1
make: *** Waiting for unfinished jobs....
src/api_engine.cpp:8:10: fatal error: QApplication: No such file or directory
 #include <QApplication>
          ^~~~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:735: api_engine.o] Error 1
ERROR: Failed to build libqmlbind
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
   --with-opt-dir
   --without-opt-dir
   --with-opt-include
   --without-opt-include=${opt-dir}/include
   --with-opt-lib
   --without-opt-lib=${opt-dir}/lib
   --with-make-prog
   --without-make-prog
   --srcdir=.
   --curdir
   --ruby=/usr/bin/$(RUBY_BASE_NAME)
   --with-qmake
   --without-qmake
   --enable-debug
   --disable-debug
   --enable-clean
   --disable-clean

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /home/USER/.gem/ruby/2.5.0/extensions/x86-linux/2.5.0/qml-1.0.2/mkmf.log

extconf failed, exit code 1



THanks in advance.

[doktor5000]

According to the linker flags, you should probably install at least

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urpmi qt5widgets-devel qt5gui-devel qt5network-devel

[nwtmg]

Running gem install qml as user with new error.

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current directory: /home/USER/.gem/ruby/2.5.0/gems/qml-1.0.2/ext/qml
/usr/bin/ruby -r ./siteconf20200430-10602-1dqf0wn.rb extconf.rb
checking for qmake... yes
  >>> building libqmlbind...
Project ERROR: Cannot run compiler 'g++'. Output:
===================
===================
Maybe you forgot to setup the environment?
make: *** No targets specified and no makefile found.  Stop.
ERROR: Failed to build libqmlbind
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
   --with-opt-dir
   --without-opt-dir
   --with-opt-include
   --without-opt-include=${opt-dir}/include
   --with-opt-lib
   --without-opt-lib=${opt-dir}/lib
   --with-make-prog
   --without-make-prog
   --srcdir=.
   --curdir
   --ruby=/usr/bin/$(RUBY_BASE_NAME)
   --with-qmake
   --without-qmake
   --enable-debug
   --disable-debug
   --enable-clean
   --disable-clean

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /home/USER/.gem/ruby/2.5.0/extensions/x86-linux/2.5.0/qml-1.0.2/mkmf.log

extconf failed, exit code 1



Made all the installations of packages you suggested.

[doktor5000]

Project ERROR: Cannot run compiler 'g++'. Output:

[...]

To see why this extension failed to compile, please check the mkmf.log which can be found here:

/home/USER/.gem/ruby/2.5.0/extensions/x86-linux/2.5.0/qml-1.0.2/mkmf.log

If you really have g++ installed, then I'd suggest you read and do what the compile process recommends.

[nwtmg]

output from mkmf.log

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find_executable: checking for qmake... -------------------- yes

--------------------


output from gem_make.out

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current directory: /home/USER/.gem/ruby/2.5.0/gems/qml-1.0.2/ext/qml
/usr/bin/ruby -r ./siteconf20200501-21560-4cbqhq.rb extconf.rb
checking for qmake... yes
  >>> building libqmlbind...
Project ERROR: Cannot run compiler 'g++'. Output:
===================
===================
Maybe you forgot to setup the environment?
make: *** No targets specified and no makefile found.  Stop.
ERROR: Failed to build libqmlbind
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
   --with-opt-dir
   --without-opt-dir
   --with-opt-include
   --without-opt-include=${opt-dir}/include
   --with-opt-lib
   --without-opt-lib=${opt-dir}/lib
   --with-make-prog
   --without-make-prog
   --srcdir=.
   --curdir
   --ruby=/usr/bin/$(RUBY_BASE_NAME)
   --with-qmake
   --without-qmake
   --enable-debug
   --disable-debug
   --enable-clean
   --disable-clean

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /home/USER/.gem/ruby/2.5.0/extensions/x86-linux/2.5.0/qml-1.0.2/mkmf.log

extconf failed, exit code 1



I ran all the updates you suggested. If I need a configuration option I do not know which one and also the correct value. Thanks.

[doktor5000]

Please show the output of

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rpm -q gcc-c++
which g++

[nwtmg]

output from rpm -q gcc-c++

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rpm -q gcc-c++


output from rpm -q gcc-c++

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rpm -q gcc-c++


reran qem install qml and still getting same error. thnks.

[doktor5000]

FWIW, you copied only the command four times, but without any output. There were two commands, and you'd also get either an error message that the package is not installed, or a package name+version.

[nwtmg]

Oops!

Output from rpm -q gcc-c++

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gcc-c++-8.4.0-1.mga7


Output from which g++

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/usr/bin/g++


Thanks.

[doktor5000]

Well, can't really help you any further with the logs you posted, those don't indicate any further issues.
You should probably ask upstream on how to find out what's wrong: https://github.com/seanchas116/ruby-qml/issues


Apart from that, it works just fine here, cannot reproduce your issue. In a VM, installed the following packages:

gcc-c++ qt5qml-devel qt5quick-devel qt5core-devel qt5widgets-devel qt5gui-devel qt5network-devel ruby ruby-devel

and then afterwards gem install worked just fine:

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[doktor5000@Mageia7VM ~]$ gem install qml
Building native extensions.  This could take a while...
Successfully installed qml-1.0.2
Parsing documentation for qml-1.0.2
Installing ri documentation for qml-1.0.2
Done installing documentation for qml after 0 seconds
1 gem installed
[doktor5000@Mageia7VM ~]$

[nwtmg]

THanks for all your assistance in this matter. Ran the following command as root

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urpmi gcc-c++ qt5qml-devel qt5quick-devel qt5core-devel qt5widgets-devel qt5gui-devel qt5network-devel ruby ruby-devel


Returned following message.

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Packages libqt5network-devel-5.12.6-2.mga7.i586, libqt5qml-devel-5.12.6-1.mga7.i586, libqt5quick-devel-5.12.6-1.mga7.i586, libqt5widgets-devel-5.12.6-2.mga7.i586, ruby-2.5.7-20.mga7.i586, gcc-c++-8.4.0-1.mga7.i586, libqt5core-devel-5.12.6-2.mga7.i586, ruby-devel-2.5.7-20.mga7.i586, libqt5gui-devel-5.12.6-2.mga7.i586 are already installed


THen executed gem install qml as ROOT. Normally run command as user.

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Fetching: qml-1.0.2.gem (100%)
Building native extensions.  This could take a while...
Successfully installed qml-1.0.2
Parsing documentation for qml-1.0.2
Installing ri documentation for qml-1.0.2
Done installing documentation for qml after 3 seconds
1 gem installed


Now that this has been installed as root what will this mean for regular user? Thanks.

[doktor5000]

Now that this has been installed as root what will this mean for regular user? Thanks.

I don't know, I don't use ruby gems.

AFAICT installing as user will install the gems into ~/.gem/ruby/ and if you install as root you install it for all users below /usr/share/gems/gems

You may want to read up on that: https://guides.rubygems.org/faqs

[nwtmg]

MArked this as solved. Seems that I needed to install this one as root to have it available for all.