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...which appears to have become even less relevant with
db89f53c31af997b9bf422b0e784afba8d62a42e "remove OpenGL VCL backend code". And
the vcl/unx/glxtest.cxx machinery that it is based on is (a) known to cause
issues like <https://gitlab.freedesktop.org/mesa/mesa/-/issues/3957>
"LibreOffice's OpenGL version detection code hangs when running inside a flatpak
container with a different mesa version", and (b) is one of the two reasons why
an soffice that uses Wayland nevertheless also requires Xwayland during startup
(the other reason being oosplash). So getting rid of the glxtest machinery is
beneficial.
The remaining two potential uses of OpenGL on X11/Wayland are the obscure
css.rendering.SpriteCanvas.OGL service implementation (about which
db89f53c31af997b9bf422b0e784afba8d62a42e states that "it seems has never been
finished or enabled (or so it most probably should be dumped too)") and some
slideshow transitions. About the latter, Caolán stated on IRC: "I think we
grew this set of stuff to check for dodgy opengl primarily for the case where
vcl used opengl for ordinary UI optimizations; but I think that use is gone now
so I wonder does it make sense to just drop all of that entirely; for just slide
transitions we apparently survived fine without the denylist for ages". (And in
any case there is still the WatchdogThread support with OpenGLZone::hardDisable
in VCLExceptionSignal_impl, vcl/source/app/svmain.cxx, should any OpenGL code
run into problems.)
(The removal of gb_LinkTarget_use_glxtest from gb_LinkTarget_use_vclmain, which
indirectly brought in gb_LinkTarget_use_libraries,*,vcl, revealed that an
explicit use of vcl was missing from various Executables etc., which thus had to
be added now.)
Change-Id: Ifa5220fd09910a4459ca546d9655e479a2e38f1e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131943
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
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..., add the configure test flags and rename DLOPEN_LIBS to
UNIX_DLAPI_LIBS.
Initinally convert two dlsym callers to use HAVE_DLAPI and
osl_getAsciiFunctionSymbol.
There are a lot of places, which still use -ldl and even more
direct dlsym calls; good opportunity for many simple EasyHacks.
Change-Id: I4f2d2f7cb079a075af8f9d01eb5ee45de40c7f03
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128523
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>
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Building against libstdc++ effectively always requires -pthread anyway (as
various standard C++ headers require it, see the comment added to
solenv/gbuild/platform/unxgcc.mk), so many explicit uses of -pthread/-lpthread
can be removed.
Doing a (partial) test build on Linux with Clang -stdlib=libc++ suggests that
libc++ indeed doesn't need -pthread as libstdc++ does.
The remaining uses of -pthread/-lpthread are mostly in configure.ac for the
various BSDs (which somebody else might want to clean up now), and related to
external projects. I tried to be careful to remove -pthread/-lpthread from
makefiles only when C++ object files are involved (so -pthread will now be
included on the link command line by default).
Change-Id: I936e082839cb9a434bd273ce5a1f187a4245dfa1
Reviewed-on: https://gerrit.libreoffice.org/71291
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
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Replace some -ldl by $(DLOPEN_LIBS)
Add some FREEBSD tests
Change-Id: Ic30fe29b938d877694db2927775f89de15c02d87
Reviewed-on: https://gerrit.libreoffice.org/20652
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Matúš Kukan <matus@libreoffice.org>
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The GLEW headers are enough, and what we actually use in these
places. In addition to handling GL extension things in its dynamic
fashion, GLEW headers also have declarations for standard,
non-extension, OpenGL API, including xgl and wgl ones.
Most likely we don't need mesa_headers on Windows or OS X either, and
can drop them completely.
Change-Id: Ic0d8d6238c862f8fe4a74e99e95344dcbf540980
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(after removing the one remaining use of gluErrorString in a SAL_WARN call)
Change-Id: Ib94e346d73e508e69c07deafdc690e3ae0e23d4e
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Change-Id: Ic8bc3f2d5d96506590d35138089ead2eac984314
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