Merge branch 'main' into RemoveRedundantTypeCast

b.sh

@@ -19,10 +19,24 @@ if [ -e "$OUTPUT_FILE" ]; then
 	rm "$OUTPUT_FILE"
 fi
 
+
+ldconfig -p | grep efence  &>/dev/null
+if ! [ $? -eq 0 ]; then
+        echo "efence library is missing"
+        echo "Install efence - Electric Fence Malloc Debugger"
+        exit 1
+fi
+
 # Compile
 # gcc -g -ggdb -o "$OUTPUT_FILE" "$INPUT_FILE"
 gcc -g -fsanitize=undefined,address -Walloca -o "$OUTPUT_FILE" "$INPUT_FILE" -lefence
 
+if ! [ -x "$(command -v emcc)" ]; then
+        echo 'Error: emcc is not installed.' >&2
+        echo 'Install from https://emscripten.org/docs/getting_started/downloads.html'
+        exit 1
+fi
+
 # Compiling for web
 emcc salam.c -o salam.js -s ALLOW_MEMORY_GROWTH=1 -s EXIT_RUNTIME=1 -s NO_EXIT_RUNTIME=1