diff options
| -rw-r--r-- | games/gzdoom/README | 6 | ||||
| -rw-r--r-- | games/gzdoom/gzdoom.SlackBuild | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/games/gzdoom/README b/games/gzdoom/README index 2bee38c3af89c..5678f4977b2ce 100644 --- a/games/gzdoom/README +++ b/games/gzdoom/README @@ -9,3 +9,9 @@ try installing gzdoom-legacy instead. Note that gzdoom and gzdoom-legacy conflict: only install one or the other. See README_SBo.txt for optional runtime dependencies. + +Note to 32-bit users: gzdoom requires the SSE2 extension. If you +get "illegal instruction" errors when trying to run gzdoom, your +CPU doesn't have SSE2, and you should use gzdoom-legacy instead. +At this point (2022), there aren't that many non-SSE2 x86 CPUs still +in service, so probably this won't be a problem for you. diff --git a/games/gzdoom/gzdoom.SlackBuild b/games/gzdoom/gzdoom.SlackBuild index 780f2f6f318ee..935c1bf0505e3 100644 --- a/games/gzdoom/gzdoom.SlackBuild +++ b/games/gzdoom/gzdoom.SlackBuild @@ -101,6 +101,10 @@ sed -i '1i#include <cmath>' \ src/rendering/swrenderer/drawers/r_draw.cpp \ src/rendering/swrenderer/viewport/r_spritedrawer.cpp +# 20220318 bkw: gzdoom requires SSE2. not a problem for x86_64, but we +# have to explicitly set the flags for the 32-bit build to succeed. +SLKCFLAGS+=" -msse -msse2" + mkdir -p build cd build cmake \ |