Error checking in shell script

build.sh

@@ -19,27 +19,33 @@ fi
 
 premake5 gmake
 make $1
-echo ================
+if [ $? -eq 0 ]; then
-echo [FINISHED BUILD]
+    echo Compilation Success
-echo ================
+    echo ================
-if [ 1 -eq ${autoexec} ]; then
+    echo [FINISHED BUILD]
-    config=$1
+    echo ================
-    if [ -z "$config" ]; then 
+
-        config="config=debug"
+    if [ 1 -eq ${autoexec} ]; then
-    fi
+        config=$1
-    if [ "config=debug" == "$config" ]; then
+        if [ -z "$config" ]; then 
-        echo
+            config="config=debug"
-        echo ==============
+        fi
-        echo [STARTING APP]
+        if [ "config=debug" == "$config" ]; then
-        echo ==============
+            echo
-        echo Config: Debug
+            echo ==============
-        bin/linux-x86_64-Debug/sandbox/sandbox
-    elif [ "config=release" == "$config" ]; then 
             echo [STARTING APP]
-            echo [Config: Release]
+            echo ==============
-            bin/linux-x86_64-Release/sandbox/sandbox
+            echo Config: Debug
-    else
+            bin/linux-x86_64-Debug/sandbox/sandbox
-        echo [Aborted Launch]
+        elif [ "config=release" == "$config" ]; then 
-        echo [Config Unknown]
+                echo [STARTING APP]
+                echo [Config: Release]
+                bin/linux-x86_64-Release/sandbox/sandbox
+        else
+            echo [Aborted Launch]
+            echo [Config Unknown]
+        fi
     fi
+else 
+    echo Error will compiling
 fi