try libsdl2-dev:i386

.travis.yml

@@ -16,8 +16,8 @@ cache:
     apt: true
 
 env:
-    - OPENRCT2_CMAKE_OPTS=
-    - OPENRCT2_CMAKE_OPTS="-DDISABLE_NETWORK=ON"
+    - OPENRCT2_CMAKE_OPTS="-DCMAKE_TOOLCHAIN_FILE=../CMakeLists_mingw.txt"
+    - OPENRCT2_CMAKE_OPTS="-DDISABLE_NETWORK=ON -DCMAKE_TOOLCHAIN_FILE=../CMakeLists_mingw.txt"
 
 sudo: required
 

build.sh

@@ -56,7 +56,7 @@ fi
 
 pushd build
 	echo OPENRCT2_CMAKE_OPTS = $OPENRCT_CMAKE_OPTS
-	cmake -DCMAKE_TOOLCHAIN_FILE=../CMakeLists_mingw.txt -DCMAKE_BUILD_TYPE=Debug $OPENRCT2_CMAKE_OPTS ..
+	cmake -DCMAKE_BUILD_TYPE=Debug $OPENRCT2_CMAKE_OPTS ..
 	make
 popd
 

install.sh

@@ -74,6 +74,7 @@ if [[ `uname` == "Darwin" ]]; then
         popd
     fi
 elif [[ `uname` == "Linux" ]]; then
+	sudo dpkg --add-architecture i386
 	sudo apt-get update
 	if [[ -z "$TRAVIS" ]]; then
 	    sudo apt-get install -y binutils-mingw-w64-i686 gcc-mingw-w64-i686 g++-mingw-w64-i686 cmake
@@ -81,7 +82,10 @@ elif [[ `uname` == "Linux" ]]; then
 			sudo apt-get install -y wine
 		fi
 	else
-		sudo apt-get install -y --force-yes binutils-mingw-w64-i686 gcc-mingw-w64-i686 g++-mingw-w64-i686 cmake
+		apt-cache search libsdl2
+		apt-cache policy libsdl2-dev:i386
+		apt-cache policy libsdl2-dev
+		sudo apt-get install -y --force-yes binutils-mingw-w64-i686 gcc-mingw-w64-i686 g++-mingw-w64-i686 cmake libsdl2-dev:i386 libsdl2-ttf-dev:i386
 	fi
 fi