REVIEWED: PLATFORM_WEB build flags, added GL_ENABLE_GET_PROC_ADDRESS

Reviewed flags formating

examples/Makefile

@@ -202,7 +202,7 @@ CFLAGS = -Wall -std=c99 -D_DEFAULT_SOURCE -Wno-missing-braces -Wunused-result
 ifeq ($(BUILD_MODE),DEBUG)
     CFLAGS += -g -D_DEBUG
     ifeq ($(PLATFORM),PLATFORM_WEB)
-        CFLAGS += -s ASSERTIONS=1 --profiling
+        CFLAGS += -sASSERTIONS=1 --profiling
     endif
 else
     ifeq ($(PLATFORM),PLATFORM_WEB)
@@ -298,23 +298,24 @@ endif
 ifeq ($(PLATFORM),PLATFORM_WEB)
     # -Os                        # size optimization
     # -O2                        # optimization level 2, if used, also set --memory-init-file 0
-    # -s USE_GLFW=3              # Use glfw3 library (context/input management)
-    # -s ALLOW_MEMORY_GROWTH=1   # to allow memory resizing -> WARNING: Audio buffers could FAIL!
-    # -s TOTAL_MEMORY=16777216   # to specify heap memory size (default = 16MB) (67108864 = 64MB)
-    # -s USE_PTHREADS=1          # multithreading support
-    # -s WASM=0                  # disable Web Assembly, emitted by default
-    # -s ASYNCIFY                # lets synchronous C/C++ code interact with asynchronous JS
-    # -s FORCE_FILESYSTEM=1      # force filesystem to load/save files data
-    # -s ASSERTIONS=1            # enable runtime checks for common memory allocation errors (-O1 and above turn it off)
+    # -sUSE_GLFW=3              # Use glfw3 library (context/input management)
+    # -sALLOW_MEMORY_GROWTH=1   # to allow memory resizing -> WARNING: Audio buffers could FAIL!
+    # -sTOTAL_MEMORY=16777216   # to specify heap memory size (default = 16MB) (67108864 = 64MB)
+    # -sUSE_PTHREADS=1          # multithreading support
+    # -sWASM=0                  # disable Web Assembly, emitted by default
+    # -sASYNCIFY                # lets synchronous C/C++ code interact with asynchronous JS
+    # -sFORCE_FILESYSTEM=1      # force filesystem to load/save files data
+    # -sASSERTIONS=1            # enable runtime checks for common memory allocation errors (-O1 and above turn it off)
+    # -sGL_ENABLE_GET_PROC_ADDRESS # enable using the *glGetProcAddress() family of functions, required for extensions loading
     # --profiling                # include information for code profiling
     # --memory-init-file 0       # to avoid an external memory initialization code file (.mem)
     # --preload-file resources   # specify a resources folder for data compilation
     # --source-map-base          # allow debugging in browser with source map
-    LDFLAGS += -s USE_GLFW=3 -s TOTAL_MEMORY=$(BUILD_WEB_HEAP_SIZE) -s FORCE_FILESYSTEM=1
+    LDFLAGS += -sUSE_GLFW=3 -sTOTAL_MEMORY=$(BUILD_WEB_HEAP_SIZE) -sFORCE_FILESYSTEM=1 -sGL_ENABLE_GET_PROC_ADDRESS
 
     # Build using asyncify
     ifeq ($(BUILD_WEB_ASYNCIFY),TRUE)
-        LDFLAGS += -s ASYNCIFY
+        LDFLAGS += -sASYNCIFY
     endif
 
     # Add resources building if required
@@ -324,7 +325,7 @@ ifeq ($(PLATFORM),PLATFORM_WEB)
 
     # Add debug mode flags if required
     ifeq ($(BUILD_MODE),DEBUG)
-        LDFLAGS += -s ASSERTIONS=1 --profiling
+        LDFLAGS += -sASSERTIONS=1 --profiling
     endif
 
     # Define a custom shell .html and output extension