trying to check if header files are installed

README.md

@@ -42,7 +42,7 @@ confirm that this is the correct driver for your adapter.
 
 - x86, i686
 - x86-64, amd64
-- armv7l (arm)
+- armv7l, armv6l (arm)
 - aarch64 (arm64)
 
 ### Compatible Kernels
@@ -52,7 +52,7 @@ confirm that this is the correct driver for your adapter.
 
 ### Tested Compilers
 
-- gcc 9, 11 and 12
+- gcc 9, 10, 11 and 12
 
 ### Tested Linux Distributions
 
@@ -88,7 +88,7 @@ the installation steps can be improved.
 Note: Red Hat Enterprise Linux (RHEL) and distros based on RHEL are not
 supported due to the way kernel patches are handled. I will support
 knowledgable RHEL developers if they want to merge the required
-support and keep it current.  
+support and keep it current.
 
 Note: Android is not supported due to the tremendous amount of changes
 that Google has made to the mainline Linux kernel. I will support

install-driver.sh

@@ -50,15 +50,6 @@ then
 	exit 1
 fi
 
-# check to ensure iw is installed
-if ! command -v iw >/dev/null 2>&1
-then
-	echo "A required package appears to not be installed."
-	echo "Please install the following package: iw"
-	echo "Once the package is installed, please run \"sudo ./${SCRIPT_NAME}\""
-	exit 1
-fi
-
 # check to ensure make is installed
 if ! command -v make >/dev/null 2>&1
 then
@@ -68,6 +59,23 @@ then
 	exit 1
 fi
 
+# check to see if header files are installed
+if [ ! -d "/lib/modules/$(uname -r)/build" ]; then
+	echo "Your kernel headers aren't properly installed."
+	echo "Please consult your distro documentation."
+	echo "Once the header files are installed, please run \"sudo ./${SCRIPT_NAME}\""
+	exit 1
+fi
+
+# check to ensure iw is installed
+if ! command -v iw >/dev/null 2>&1
+then
+	echo "A required package appears to not be installed."
+	echo "Please install the following package: iw"
+	echo "Once the package is installed, please run \"sudo ./${SCRIPT_NAME}\""
+	exit 1
+fi
+
 # check to ensure rfkill is installed
 if ! command -v rfkill >/dev/null 2>&1
 then
@@ -145,10 +153,6 @@ then
 	mokutil --sb-state
 fi
 
-# header files are normally stored in ?
-# how can we determine:
-# if the correct header files are installed?
-
 # blacklist the in-kernel module (driver) so that there is no conflict
 echo "Installing ${BLACKLIST_FILE} to: /etc/modprobe.d"
 cp -f ${BLACKLIST_FILE} /etc/modprobe.d