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  • problem with swt4-gtk update

    From Sudip Mukherjee@21:1/5 to All on Mon Dec 28 23:40:02 2020
    Hi Emmanuel,

    With the latest update of swt4-gtk to 4.18.0-1 I am seeing a problem
    in loading the library. After a little debugging it seems its not
    finding a symbol.

    /usr/lib/jni/libswt-pi3-gtk-4940r23.so: undefined symbol: gdk_texture_new_from_file

    Then it tries to find "/usr/lib/jni/libswt-pi4-gtk.so" which is not
    present and so the application fails.

    Any ideas?


    --
    Regards
    Sudip

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  • From Sudip Mukherjee@21:1/5 to sudipm.mukherjee@gmail.com on Tue Dec 29 01:10:02 2020
    Hi Emmanuel,

    On Mon, Dec 28, 2020 at 10:33 PM Sudip Mukherjee
    <sudipm.mukherjee@gmail.com> wrote:

    Hi Emmanuel,

    With the latest update of swt4-gtk to 4.18.0-1 I am seeing a problem
    in loading the library. After a little debugging it seems its not
    finding a symbol.

    /usr/lib/jni/libswt-pi3-gtk-4940r23.so: undefined symbol: gdk_texture_new_from_file

    Then it tries to find "/usr/lib/jni/libswt-pi4-gtk.so" which is not
    present and so the application fails.

    Any ideas?

    'gdk_texture_new_from_file' is from gtk4 and the below patch will fix
    the problem.
    Do you want me to go ahead with this change ?


    diff --git a/debian/rules b/debian/rules
    index 803ce85a..f23618c4 100755
    --- a/debian/rules
    +++ b/debian/rules
    @@ -2,7 +2,7 @@

    include /usr/share/dpkg/pkg-info.mk

    -export DEB_CFLAGS_MAINT_APPEND=-fPIC
    +export DEB_CFLAGS_MAINT_APPEND=-fPIC -DNO_gdk_1texture_1new_1from_1file
    DEB_BUILD_MAINT_OPTIONS=hardening=+all
    include /usr/share/dpkg/buildflags.mk
    CFLAGS+=$(CPPFLAGS)


    --
    Regards
    Sudip

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  • From Thorsten Glaser@21:1/5 to Sudip Mukherjee on Tue Dec 29 01:20:01 2020
    On Tue, 29 Dec 2020, Sudip Mukherjee wrote:

    +export DEB_CFLAGS_MAINT_APPEND=-fPIC -DNO_gdk_1texture_1new_1from_1file

    -D goes to CPPFLAGS, not CFLAGS.

    bye,
    //mirabilos
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  • From Thorsten Glaser@21:1/5 to Sudip Mukherjee on Tue Dec 29 01:40:02 2020
    On Tue, 29 Dec 2020, Sudip Mukherjee wrote:

    if we add it to CPPFLAGS it will eventually get added to CFLAGS as
    d/rules is doing "CFLAGS+=$(CPPFLAGS)".

    Maybe, but it’s the semantically right thing after all ;-)

    Maybe the upstream build system will become unbroken one day and
    not require that any more, and then it’ll not need fixing up.

    bye,
    //mirabilos
    --
    tarent solutions GmbH
    Rochusstraße 2-4, D-53123 Bonn • http://www.tarent.de/
    Tel: +49 228 54881-393 • Fax: +49 228 54881-235
    HRB 5168 (AG Bonn) • USt-ID (VAT): DE122264941
    Geschäftsführer: Dr. Stefan Barth, Kai Ebenrett, Boris Esser, Alexander Steeg

    *************************************************

    Mit unserem Consulting bieten wir Unternehmen maßgeschneiderte Angebote in Form von Beratung, Trainings sowie Workshops in den Bereichen Softwaretechnologie, IT Strategie und Architektur, Innovation und Umsetzung sowie Agile Organisation.

    Besuchen Sie uns auf https://www.tarent.de/consulting .
    Wir freuen uns auf Ihren Kontakt.

    *************************************************

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  • From Sudip Mukherjee@21:1/5 to t.glaser@tarent.de on Tue Dec 29 01:40:02 2020
    On Tue, Dec 29, 2020 at 12:18 AM Thorsten Glaser <t.glaser@tarent.de> wrote:

    On Tue, 29 Dec 2020, Sudip Mukherjee wrote:

    +export DEB_CFLAGS_MAINT_APPEND=-fPIC -DNO_gdk_1texture_1new_1from_1file

    -D goes to CPPFLAGS, not CFLAGS.

    oops. thanks Thorsten. So the modified patch is pasted below. But even
    if we add it to CPPFLAGS it will eventually get added to CFLAGS as
    d/rules is doing "CFLAGS+=$(CPPFLAGS)".


    diff --git a/debian/rules b/debian/rules
    index 803ce85a..5add19ce 100755
    --- a/debian/rules
    +++ b/debian/rules
    @@ -3,6 +3,7 @@
    include /usr/share/dpkg/pkg-info.mk

    export DEB_CFLAGS_MAINT_APPEND=-fPIC
    +export DEB_CPPFLAGS_MAINT_APPEND=-DNO_gdk_1texture_1new_1from_1file
    DEB_BUILD_MAINT_OPTIONS=hardening=+all
    include /usr/share/dpkg/buildflags.mk
    CFLAGS+=$(CPPFLAGS)


    --
    Regards
    Sudip

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  • From Sudip Mukherjee@21:1/5 to t.glaser@tarent.de on Tue Dec 29 01:50:02 2020
    On Tue, Dec 29, 2020 at 12:38 AM Thorsten Glaser <t.glaser@tarent.de> wrote:

    On Tue, 29 Dec 2020, Sudip Mukherjee wrote:

    if we add it to CPPFLAGS it will eventually get added to CFLAGS as
    d/rules is doing "CFLAGS+=$(CPPFLAGS)".

    Maybe, but it’s the semantically right thing after all ;-)

    Agreed.
    So, I will wait for any other objection or Ack till tomorrow night and
    then upload.

    --
    Regards
    Sudip

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  • From Emmanuel Bourg@21:1/5 to All on Tue Dec 29 08:30:02 2020
    Le 29/12/2020 à 01:46, Sudip Mukherjee a écrit :

    So, I will wait for any other objection or Ack till tomorrow night and
    then upload.

    Thank you for spotting issue. Please go ahead and upload the fix.

    Emmanuel Bourg

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