diff --git a/install/build.sh b/install/build.sh
index 072307e..60785c4 100755
--- a/install/build.sh
+++ b/install/build.sh
@@ -23,6 +23,12 @@ case $1 in
 				mv -v $SRC_DIR/glacier $PREFIX
 				printf "directory $PREFIX/bin does not exist, moving to $PREFIX instead\n"
 			fi
+		CC $SRC_DIR/int-check/main.c -o glacier-integrity-check
+		mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX/bin
+			if [ "$?" != 0 ]; then
+				mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX
+				printf "directory $PREFIX/bin does not exist, moving to $PREFIX instead.\n"
+			fi
 		printf "installing configuration files\n"
 		mv -v $SRC_DIR/glacier.conf $CONFDIR
 			if [ "$?" != 0 ]; then
diff --git a/install/install.conf.def b/install/install.conf.def
index 1d0a191..6f1f508 100755
--- a/install/install.conf.def
+++ b/install/install.conf.def
@@ -8,3 +8,6 @@ PREFIX="/usr"
 # System config directory
 # On almost all systems, this should be /etc
 CONFDIR="/etc"
+
+# C Compiler to use
+CC="gcc"
diff --git a/src/glacier b/src/glacier
index 4f52239..84b4c1b 100755
--- a/src/glacier
+++ b/src/glacier
@@ -27,7 +27,9 @@ get_pkg() {
 int_check() {
 	if [ "$GLACIER_DO_INT_CHECK" = "true" ]; then
 		printf "$blue[ i ]$reset Checking package integrity...\n"
-			/usr/bin/glacier-integrity-check
+			mv *.checksum local_sum
+			sha256sum *.tar.gz > pkg_sum
+			/usr/bin/glacier-integrity-check local_sum pkg_sum
 				if [ "$?" != "0" ]; then
 					printf "$red[ $error ]$reset Integrity check failed.\n"
 					exit 1
diff --git a/src/glacier-integrity-check b/src/glacier-integrity-check
deleted file mode 100755
index 4b41bfb..0000000
--- a/src/glacier-integrity-check
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/bin/python3
-
-import sys
-import os
-
-LOCAL_SUM=os.system("cat *.checksum")
-PKG_SUM=os.system("sha256sum *.tar.gz")
-
-if LOCAL_SUM == PKG_SUM:
-	print("checksums match\n")
-	sys.exit(0)
-elif LOCAL_SUM != PKG_SUM:
-	print("checksums do not match\n")
-	sys.exit(1)
-else:
-	print("an error occured\n")
-	sys.exit(1)
-print("=======================================")
diff --git a/src/int-check/main.c b/src/int-check/main.c
new file mode 100644
index 0000000..60d9d6b
--- /dev/null
+++ b/src/int-check/main.c
@@ -0,0 +1,70 @@
+//Write a program to compare two file.
+#include <stdio.h>
+#include <string.h>
+ 
+int main(int argc, char *argv[])
+{
+    FILE *fp1   ;
+    FILE *fp2   ;
+     
+    int cnt1 = 0;
+    int cnt2 = 0;
+    int flg  = 0;
+     
+    if( argc < 3 )
+    {
+        printf("Insufficient Arguments!!!\n");
+        printf("Please use \"program-name file-name1 file-name2\" format.\n");
+        return -1;
+    }
+     
+    fp1 = fopen(argv[1],"r");
+    if( fp1 == NULL )
+    {
+        printf("\n%s File can not be opened : \n",argv[1]);
+        return -1;
+    }
+     
+    // move file pointer to end and get total number of bytes
+    fseek(fp1,0,SEEK_END);
+    cnt1 = ftell(fp1);
+     
+    fp2 = fopen(argv[2],"r");
+    if( fp2 == NULL )
+    {
+        printf("\n%s File can not be opened : \n",argv[2]);
+        return -1;
+    }
+     
+    // move file pointer to end and get total number of bytes
+    fseek(fp2,0,SEEK_END);
+    cnt2 = ftell(fp2);
+     
+    fseek(fp1,0,SEEK_SET);
+    fseek(fp2,0,SEEK_SET);
+     
+    // check for the total number of bytes
+    if( cnt1 != cnt2 ){
+        return 1;
+    }
+    else
+    {
+        while( ! feof(fp1) )
+        {
+                if( fgetc(fp1) != fgetc(fp2) )
+                {
+                    flg = 1;
+                    break;
+                }
+        }
+         
+        if( flg )   return 1;
+        else        return 0;
+    }
+ 
+    fclose(fp1);
+    fclose(fp2);
+ 
+    return 0;
+}
+