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configure: don't warn SDL abi if disabled

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SDL has the same problem as GTK that we might get warnings on SDL ABI
version even if SDL is disabled.  Fix that by only probing SDL if SDL is
enabled.  Also this should let configure be a little bit faster since we
don't really need to probe SDL stuff when it's off.

CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Gerd Hoffmann <kraxel@redhat.com>
CC: Peter Maydell <peter.maydell@linaro.org>
CC: Daniel P. Berrange <berrange@redhat.com>
CC: Fam Zheng <famz@redhat.com>
CC: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180410054034.20479-1-peterx@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Peter Xu 2018-04-10 13:40:34 +08:00 committed by Gerd Hoffmann
parent 5a464e6ce8
commit c6093a05d6
1 changed files with 48 additions and 41 deletions
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89
configure vendored
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@ -2835,49 +2835,52 @@ 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 "sdl2"; then
sdlabi=2.0
elif $pkg_config --exists "sdl"; then
sdlabi=1.2
else
sdlabi=2.0
fi
fi
if test $sdlabi = "2.0"; then
sdl_config=$sdl2_config
sdlname=sdl2
sdlconfigname=sdl2_config
elif test $sdlabi = "1.2"; then
sdlname=sdl
sdlconfigname=sdl_config
else
error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
fi
if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
sdl_config=$sdlconfigname
fi
if $pkg_config $sdlname --exists; then
sdlconfig="$pkg_config $sdlname"
sdlversion=$($sdlconfig --modversion 2>/dev/null)
elif has ${sdl_config}; then
sdlconfig="$sdl_config"
sdlversion=$($sdlconfig --version)
else
if test "$sdl" = "yes" ; then
feature_not_found "sdl" "Install SDL2-devel"
sdl_probe ()
{
sdl_too_old=no
if test "$sdlabi" = ""; then
if $pkg_config --exists "sdl2"; then
sdlabi=2.0
elif $pkg_config --exists "sdl"; then
sdlabi=1.2
else
sdlabi=2.0
fi
fi
if test $sdlabi = "2.0"; then
sdl_config=$sdl2_config
sdlname=sdl2
sdlconfigname=sdl2_config
elif test $sdlabi = "1.2"; then
sdlname=sdl
sdlconfigname=sdl_config
else
error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
fi
if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
sdl_config=$sdlconfigname
fi
if $pkg_config $sdlname --exists; then
sdlconfig="$pkg_config $sdlname"
sdlversion=$($sdlconfig --modversion 2>/dev/null)
elif has ${sdl_config}; then
sdlconfig="$sdl_config"
sdlversion=$($sdlconfig --version)
else
if test "$sdl" = "yes" ; then
feature_not_found "sdl" "Install SDL2-devel"
fi
sdl=no
# no need to do the rest
return
fi
if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
fi
sdl=no
fi
if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
fi
sdl_too_old=no
if test "$sdl" != "no" ; then
cat > $TMPC << EOF
#include <SDL.h>
#undef main /* We don't want SDL to override our main() */
@ -2919,6 +2922,10 @@ EOF
fi
sdl=no
fi # sdl compile test
}
if test "$sdl" != "no" ; then
sdl_probe
fi
if test "$sdl" = "yes" ; then