configure: build SDL if only SDL2 available

Right now if SDL2 is installed but not SDL1, default configure will
entirely disable SDL. Check upfront for SDL2 using pkg-config, but
still prefer SDL1 if both versions are installed.

Signed-off-by: Cole Robinson <crobinso@redhat.com>
Message-id: c9e570b5964d128a3595efe3170129a3da459776.1462557436.git.crobinso@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Cole Robinson 2016-05-06 14:03:07 -04:00 committed by Gerd Hoffmann
parent 56f289f383
commit ee8466d0ea

12
configure vendored
View File

@ -207,7 +207,7 @@ fdt=""
netmap="no"
pixman=""
sdl=""
sdlabi="1.2"
sdlabi=""
virtfs=""
vnc="yes"
sparse="no"
@ -2420,6 +2420,16 @@ fi
# Look for sdl configuration program (pkg-config or sdl-config). Try
# sdl-config even without cross prefix, and favour pkg-config over sdl-config.
if test "$sdlabi" = ""; then
if $pkg_config --exists "sdl"; then
sdlabi=1.2
elif $pkg_config --exists "sdl2"; then
sdlabi=2.0
else
sdlabi=1.2
fi
fi
if test $sdlabi = "2.0"; then
sdl_config=$sdl2_config
sdlname=sdl2