First attempt at emscripten

CMakeLists.txt

@@ -278,6 +278,14 @@ set(CORELIBS
     ${ENET_LIBRARY}
 )
 
+IF (EMSCRIPTEN)
+
+set (CMAKE_EXE_LINKER_FLAGS
+    "--preload-file ../resources@resources -s TOTAL_MEMORY=67108864 -s ALLOW_MEMORY_GROWTH=1"
+)
+
+ENDIF()
+
 # Shadowdive
 IF(USE_SUBMODULES)
     set(CORELIBS ${CORELIBS} shadowdive)

cmake-scripts/FindSDL2.cmake

@@ -1,5 +1,7 @@
 
+IF (NOT EMSCRIPTEN)
 FIND_PACKAGE(Threads)
+ENDIF ()
 
 SET(SDL2_SEARCH_PATHS
     /usr/local/

emconfig.sh

@@ -0,0 +1,11 @@
+#!/bin/sh -x
+EMSHIT=$(realpath emshit)
+emcmake cmake . -Bemscripten \
+ -DZLIB_INCLUDE_DIR=$EMSHIT -DZLIB_LIBRARY=$EMSHIT/libz.a \
+ -DPNG_PNG_INCLUDE_DIR=$EMSHIT -DPNG_LIBRARY=$EMSHIT/libpng.a \
+ -DSDL2_INCLUDE_DIR=$EMSHIT -DSDL2_LIBRARY=$EMSHIT/libSDL2.a \
+ -DENET_INCLUDE_DIR=$EMSHIT -DENET_LIBRARY=$EMSHIT/libenet.a \
+ -DCONFUSE_INCLUDE_DIR=$EMSHIT/confuse -DCONFUSE_LIBRARY=$EMSHIT/confuse/libconfuse.a \
+ -DLIBINTL_INCLUDE_DIR=$EMSHIT -DLIBINTL_LIB_FOUND=1 -DLIBINTL_LIBRARIES="" \
+ -DOPENAL_LIBRARY="" \
+ -DVERBOSE=1