Support SDL2.

[movit] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7b265b54b5b1be48edb001c43a35c8711275c692..79e99cadbaf0162dba9c83cf17968339ebed5261 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -9,15 +9,24 @@ AC_PROG_CXX
 PKG_CHECK_MODULES([Eigen3], [eigen3])
 PKG_CHECK_MODULES([epoxy], [epoxy])
 
-# Needed for unit tests and the demo app.
-PKG_CHECK_MODULES([SDL], [sdl])
+# Needed for unit tests and the demo app. We prefer SDL2 if possible,
+# but can also use classic SDL.
+with_SDL2=no
+with_demo_app=yes
+PKG_CHECK_MODULES([SDL2], [sdl2], [with_SDL2=yes], [
+  PKG_CHECK_MODULES([SDL], [sdl])
+])
 
 # These are only needed for the demo app.
-with_demo_app=yes
-PKG_CHECK_MODULES([SDL_image], [SDL_image], [], [with_demo_app=no; AC_MSG_WARN([SDL_image not found, demo program will not be built])])
+if test $with_SDL2 = "yes"; then
+  PKG_CHECK_MODULES([SDL2_image], [SDL2_image], [], [with_demo_app=no; AC_MSG_WARN([SDL2_image not found, demo program will not be built])])
+else
+  PKG_CHECK_MODULES([SDL_image], [SDL_image], [], [with_demo_app=no; AC_MSG_WARN([SDL_image not found, demo program will not be built])])
+fi
 PKG_CHECK_MODULES([libpng], [libpng12], [], [with_demo_app=no; AC_MSG_WARN([libpng12 not found, demo program will not be built])])
 
 AC_SUBST([with_demo_app])
+AC_SUBST([with_SDL2])
 
 AC_CONFIG_FILES([Makefile movit.pc])
 AC_OUTPUT