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Anyone trying this on 340xx: See Threaded Optimizations in the release notes for 340xx. https://us.download.nvidia.com/XFree86/Linux-x86_64/340.107/README/openglenvvariables.html

You will see a Segfault, except under a debugger, until you preload pthreads before libGL due to threading in LibSDLxx.

I patched my .desktops (both neverball and neverputt) with env LD_PRELOAD="libpthread.so.0 libGL.so.1" never????

Thank you!

Please update PKGBUILD for building with gcc10 and above:

diff -u PKGBUILD.orig PKGBUILD
--- PKGBUILD.orig   2021-05-23 20:38:59.093332963 +0200
+++ PKGBUILD    2021-05-24 14:23:39.956665310 +0200
@@ -12,13 +12,16 @@
          'hicolor-icon-theme' 'xdg-utils')
 makedepends=('mesa')
 source=(http://neverball.org/${pkgname}-${pkgver}.tar.gz
-        neverball-filesystem.patch::"https://github.com/Neverball/neverball/commit/27279856.patch")
+        neverball-filesystem.patch::"https://github.com/Neverball/neverball/commit/27279856.patch"
+        neverball-gcc10.patch::"https://github.com/Neverball/neverball/commit/a42492b8db06934c7a794630db92e3ff6ebaadaa.patch")
 sha256sums=('73fe63cca4f96e2d355480d03bc0b2904e83a0abdf65fe8c52db5cc3cca88fa0'
-            'b93f17315766a8f1a70f46716cd99260981f4797ec1589b26f03bfca201a8e0d')
+            'b93f17315766a8f1a70f46716cd99260981f4797ec1589b26f03bfca201a8e0d'
+            '6bc37c97b9fbbdbcb890344d08a958b038b0333bc74230147b93d9be9341d89e')

 prepare() {
   cd $pkgname-$pkgver
   patch -Np1 <../neverball-filesystem.patch # Fix creating settings dir
+  patch -Np1 <../neverball-gcc10.patch # Fix building with -fno-common
 }

 build() {

I can confirm the solution from @chris_l works

can you change the pkgbuild please

game is working

You can fix it enough to allow it to compile if you add this line after line 25 on the PKGBUILD:

sed -i '424,430 s/\$(LDFLAGS)/-z muldefs &/' Makefile

(of course, an upstream fix would be better)

l/game_draw.o ball/score.o ball/level.o ball/progress.o ball/set.o ball/demo.o ball/demo_dir.o ball/util.o ball/st_conf.o ball/st_demo.o ball/st_save.o ball/st_goal.o ball/st_fail.o ball/st_done.o ball/st_level.o ball/st_over.o ball/st_play.o ball/st_set.o ball/st_start.o ball/st_title.o ball/st_help.o ball/st_name.o ball/st_shared.o ball/st_pause.o ball/st_ball.o ball/main.o share/solid_sim_sol.o share/fs_stdio.o share/tilt_null.o share/hmd_null.o -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -lSDL2_ttf -lvorbisfile -L/usr/lib -pthread -lSDL2 -lGL -ljpeg -lpng16 -lm /usr/bin/ld: ball/st_save.o:(.bss+0x0): multiple definition of text_input'; share/text.o:(.bss+0x0): first defined here /usr/bin/ld: ball/st_name.o:(.bss+0x0): multiple definition oftext_input'; share/text.o:(.bss+0x0): first defined here /usr/bin/ld: ball/main.o:(.bss+0x0): multiple definition of `text_input'; share/text.o:(.bss+0x0): first defined here collect2: error: ld returned 1 exit status make: *** [Makefile:424: neverball] Error 1 ==> ERROR: A failure occurred in build(). Aborting... Error making: neverball

Fix is easy - delete all the patch file references and build it it tested it for 1 games

Hmm, seems like GitHub changed something in that patch. Will update the hashes. Thanks!