diff --git a/ios.sh b/ios.sh
index 237c639b..7a111013 100755
--- a/ios.sh
+++ b/ios.sh
@@ -160,13 +160,9 @@ if [[ -n ${DISPLAY_HELP} ]]; then
 fi
 
 # DISABLE NOT SUPPORTED ARCHITECTURES
-disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_ARMV7}" "${DETECTED_IOS_SDK_VERSION}"
-disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_ARMV7S}" "${DETECTED_IOS_SDK_VERSION}"
-disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_I386}" "${DETECTED_IOS_SDK_VERSION}"
-disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_ARM64E}" "${DETECTED_IOS_SDK_VERSION}"
-disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_X86_64_MAC_CATALYST}" "${DETECTED_IOS_SDK_VERSION}"
-disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_ARM64_MAC_CATALYST}" "${DETECTED_IOS_SDK_VERSION}"
-disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_ARM64_SIMULATOR}" "${DETECTED_IOS_SDK_VERSION}"
+disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_ARMV7}"
+disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_ARMV7S}"
+disable_ios_architecture_not_supported_on_detected_sdk_version "${ARCH_I386}"
 
 # CHECK SOME RULES FOR .framework BUNDLES
 
diff --git a/macos.sh b/macos.sh
index 208ff732..fce67fa2 100755
--- a/macos.sh
+++ b/macos.sh
@@ -154,9 +154,6 @@ if [[ -n ${DISPLAY_HELP} ]]; then
   exit 0
 fi
 
-# DISABLE NOT SUPPORTED ARCHITECTURES
-disable_macos_architecture_not_supported_on_detected_sdk_version "${ARCH_ARM64}" "${DETECTED_MACOS_SDK_VERSION}"
-
 echo -e "\nBuilding ffmpeg-kit ${BUILD_TYPE_ID}shared library for macOS\n"
 echo -e -n "INFO: Building ffmpeg-kit ${BUILD_VERSION} ${BUILD_TYPE_ID}for macOS: " 1>>"${BASEDIR}"/build.log 2>&1
 echo -e "$(date)\n" 1>>"${BASEDIR}"/build.log 2>&1
diff --git a/scripts/function-apple.sh b/scripts/function-apple.sh
index f60664d3..b49cde0b 100755
--- a/scripts/function-apple.sh
+++ b/scripts/function-apple.sh
@@ -22,7 +22,6 @@ get_external_library_version() {
 
 #
 # 1. architecture index
-# 2. detected sdk version
 #
 disable_ios_architecture_not_supported_on_detected_sdk_version() {
   local ARCH_NAME=$(get_arch_name $1)
@@ -31,7 +30,7 @@ disable_ios_architecture_not_supported_on_detected_sdk_version() {
   armv7 | armv7s | i386)
 
     # SUPPORTED UNTIL IOS SDK 10.3.1
-    if [[ $(compare_versions "$2" "10.3.1") -le 0 ]]; then
+    if [[ $(compare_versions "$IOS_MIN_VERSION" "10.3.1") -le 0 ]]; then
       local SUPPORTED=1
     else
       local SUPPORTED=0
@@ -40,7 +39,7 @@ disable_ios_architecture_not_supported_on_detected_sdk_version() {
   arm64e)
 
     # INTRODUCED IN IOS SDK 10.1
-    if [[ $(compare_versions "$2" "10.1") -ge 1 ]]; then
+    if [[ $(compare_versions "$IOS_MIN_VERSION" "10.1") -ge 1 ]]; then
       local SUPPORTED=1
     else
       local SUPPORTED=0
@@ -49,16 +48,25 @@ disable_ios_architecture_not_supported_on_detected_sdk_version() {
   x86-64-mac-catalyst)
 
     # INTRODUCED IN IOS SDK 13.0
-    if [[ $(compare_versions "$2" "13") -ge 1 ]]; then
+    if [[ $(compare_versions "$MAC_CATALYST_MIN_VERSION" "13.0") -ge 1 ]]; then
       local SUPPORTED=1
     else
       local SUPPORTED=0
     fi
     ;;
-  arm64-*)
+  arm64-mac-catalyst)
 
     # INTRODUCED IN IOS SDK 14.0
-    if [[ $(compare_versions "$2" "14") -ge 1 ]]; then
+    if [[ $(compare_versions "$MAC_CATALYST_MIN_VERSION" "14.0") -ge 1 ]]; then
+      local SUPPORTED=1
+    else
+      local SUPPORTED=0
+    fi
+    ;;
+  arm64-simulator)
+
+    # INTRODUCED IN IOS SDK 14.0
+    if [[ $(compare_versions "$IOS_MIN_VERSION" "14.0") -ge 1 ]]; then
       local SUPPORTED=1
     else
       local SUPPORTED=0
@@ -71,7 +79,7 @@ disable_ios_architecture_not_supported_on_detected_sdk_version() {
 
   if [[ ${SUPPORTED} -ne 1 ]]; then
     if [[ -z ${BUILD_FORCE} ]]; then
-      echo -e "INFO: Disabled ${ARCH_NAME} architecture which is not supported on SDK $2\n" 1>>"${BASEDIR}"/build.log 2>&1
+      echo -e "INFO: Disabled ${ARCH_NAME} architecture which is not supported on iOS SDK $IOS_MIN_VERSION and Mac Catalyst $MAC_CATALYST_MIN_VERSION\n" 1>>"${BASEDIR}"/build.log 2>&1
       disable_arch "${ARCH_NAME}"
     fi
   fi
@@ -79,7 +87,6 @@ disable_ios_architecture_not_supported_on_detected_sdk_version() {
 
 #
 # 1. architecture index
-# 2. detected sdk version
 #
 disable_tvos_architecture_not_supported_on_detected_sdk_version() {
   local ARCH_NAME=$(get_arch_name $1)
@@ -88,7 +95,7 @@ disable_tvos_architecture_not_supported_on_detected_sdk_version() {
   arm64-simulator)
 
     # INTRODUCED IN TVOS SDK 14.0
-    if [[ $(compare_versions "$2" "14") -ge 1 ]]; then
+    if [[ $(compare_versions "$TVOS_MIN_VERSION" "14.0") -ge 1 ]]; then
       local SUPPORTED=1
     else
       local SUPPORTED=0
@@ -101,7 +108,7 @@ disable_tvos_architecture_not_supported_on_detected_sdk_version() {
 
   if [[ ${SUPPORTED} -ne 1 ]]; then
     if [[ -z ${BUILD_FORCE} ]]; then
-      echo -e "INFO: Disabled ${ARCH_NAME} architecture which is not supported on SDK $2\n" 1>>"${BASEDIR}"/build.log 2>&1
+      echo -e "INFO: Disabled ${ARCH_NAME} architecture which is not supported on tvOS SDK $TVOS_MIN_VERSION\n" 1>>"${BASEDIR}"/build.log 2>&1
       disable_arch "${ARCH_NAME}"
     fi
   fi
@@ -109,7 +116,6 @@ disable_tvos_architecture_not_supported_on_detected_sdk_version() {
 
 #
 # 1. architecture index
-# 2. detected sdk version
 #
 disable_macos_architecture_not_supported_on_detected_sdk_version() {
   local ARCH_NAME=$(get_arch_name $1)
@@ -118,7 +124,7 @@ disable_macos_architecture_not_supported_on_detected_sdk_version() {
   arm64)
 
     # INTRODUCED IN MACOS SDK 11.0
-    if [[ $(compare_versions "$2" "11") -ge 1 ]]; then
+    if [[ $(compare_versions "$MACOS_MIN_VERSION" "11.0") -ge 1 ]]; then
       local SUPPORTED=1
     else
       local SUPPORTED=0
@@ -131,7 +137,7 @@ disable_macos_architecture_not_supported_on_detected_sdk_version() {
 
   if [[ ${SUPPORTED} -ne 1 ]]; then
     if [[ -z ${BUILD_FORCE} ]]; then
-      echo -e "INFO: Disabled ${ARCH_NAME} architecture which is not supported on SDK $2\n" 1>>"${BASEDIR}"/build.log 2>&1
+      echo -e "INFO: Disabled ${ARCH_NAME} architecture which is not supported on macOS SDK $MACOS_MIN_VERSION\n" 1>>"${BASEDIR}"/build.log 2>&1
       disable_arch "${ARCH_NAME}"
     fi
   fi
diff --git a/scripts/function-ios.sh b/scripts/function-ios.sh
index 10e75b6e..508fea21 100755
--- a/scripts/function-ios.sh
+++ b/scripts/function-ios.sh
@@ -25,7 +25,7 @@ libraries are created under the prebuilt folder.\n"
   echo -e "Usage: ./$COMMAND [OPTION]...\n"
   echo -e "Specify environment variables as VARIABLE=VALUE to override default build options.\n"
 
-  display_help_options "  -x, --xcframework\t\tbuild xcframework bundles instead of framework bundles and universal libraries" "  -l, --lts			build lts packages to support sdk 9.3+ devices" "      --target=ios sdk version\t\t\toverride minimum deployment target" "      --mac-catalyst-target=ios sdk version\toverride minimum deployment target for mac catalyst"
+  display_help_options "  -x, --xcframework\t\tbuild xcframework bundles instead of framework bundles and universal libraries" "  -l, --lts			build lts packages to support sdk 9.3+ devices" "      --target=ios sdk version\t\t\toverride minimum deployment target [12.1]" "      --mac-catalyst-target=ios sdk version\toverride minimum deployment target for mac catalyst [14.0]"
   display_help_licensing
 
   echo -e "Architectures:"
diff --git a/scripts/function-macos.sh b/scripts/function-macos.sh
index c17ae23e..ccf2ac07 100755
--- a/scripts/function-macos.sh
+++ b/scripts/function-macos.sh
@@ -17,7 +17,7 @@ When compilation ends, libraries are created under the prebuilt folder.\n"
   echo -e "Usage: ./$COMMAND [OPTION]...\n"
   echo -e "Specify environment variables as VARIABLE=VALUE to override default build options.\n"
 
-  display_help_options "  -x, --xcframework\t\tbuild xcframework bundles instead of framework bundles and universal libraries" "  -l, --lts			build lts packages to support sdk 10.11+ devices" "      --target=macos sdk version\toverride minimum deployment target"
+  display_help_options "  -x, --xcframework\t\tbuild xcframework bundles instead of framework bundles and universal libraries" "  -l, --lts			build lts packages to support sdk 10.11+ devices" "      --target=macos sdk version\toverride minimum deployment target [10.15]"
   display_help_licensing
 
   echo -e "Architectures:"
diff --git a/scripts/function-tvos.sh b/scripts/function-tvos.sh
index 931c9229..6460e5fb 100755
--- a/scripts/function-tvos.sh
+++ b/scripts/function-tvos.sh
@@ -18,7 +18,7 @@ set explicitly. When compilation ends, libraries are created under the prebuilt
   echo -e "Usage: ./$COMMAND [OPTION]...\n"
   echo -e "Specify environment variables as VARIABLE=VALUE to override default build options.\n"
 
-  display_help_options "  -x, --xcframework\t\tbuild xcframework bundles instead of framework bundles and universal libraries" "  -l, --lts			build lts packages to support sdk 9.2+ devices" "      --target=tvos sdk version\toverride minimum deployment target"
+  display_help_options "  -x, --xcframework\t\tbuild xcframework bundles instead of framework bundles and universal libraries" "  -l, --lts			build lts packages to support sdk 9.2+ devices" "      --target=tvos sdk version\toverride minimum deployment target [11.0]"
   display_help_licensing
 
   echo -e "Architectures:"
diff --git a/scripts/function.sh b/scripts/function.sh
index b0eb6802..7bf23cc4 100755
--- a/scripts/function.sh
+++ b/scripts/function.sh
@@ -1981,23 +1981,26 @@ compare_versions() {
   for((i=0;(i<${#VERSION_PARTS_1[@]})&&(i<${#VERSION_PARTS_2[@]});i++))
   do
 
-    if [[ ${VERSION_PARTS_1[$i]} -gt ${VERSION_PARTS_2[$i]} ]]; then
+    local CURRENT_PART_1=${VERSION_PARTS_1[$i]}
+    local CURRENT_PART_2=${VERSION_PARTS_2[$i]}
+
+    if [[ -z ${CURRENT_PART_1} ]]; then
+      CURRENT_PART_1=0
+    fi
+
+    if [[ -z ${CURRENT_PART_2} ]]; then
+      CURRENT_PART_2=0
+    fi
+
+    if [[ CURRENT_PART_1 -gt CURRENT_PART_2 ]]; then
       echo "1"
       return;
-    elif [[ ${VERSION_PARTS_1[$i]} -lt ${VERSION_PARTS_2[$i]} ]]; then
+    elif [[ CURRENT_PART_1 -lt CURRENT_PART_2 ]]; then
       echo "-1"
       return;
     fi
   done
 
-  if [[ ${#VERSION_PARTS_1[@]} -gt ${#VERSION_PARTS_2[@]} ]]; then
-    echo "1"
-    return;
-  elif [[ ${#VERSION_PARTS_1[@]} -lt ${#VERSION_PARTS_2[@]} ]]; then
-    echo "-1"
-    return;
-  else
-    echo "0"
-    return;
-  fi
+  echo "0"
+  return;
 }
diff --git a/tvos.sh b/tvos.sh
index 18422c3b..1b1da327 100755
--- a/tvos.sh
+++ b/tvos.sh
@@ -154,9 +154,6 @@ if [[ -n ${DISPLAY_HELP} ]]; then
   exit 0
 fi
 
-# DISABLE NOT SUPPORTED ARCHITECTURES
-disable_tvos_architecture_not_supported_on_detected_sdk_version "${ARCH_ARM64_SIMULATOR}" "${DETECTED_TVOS_SDK_VERSION}"
-
 # CHECK SOME RULES FOR .framework BUNDLES
 
 # 1. DISABLE arm64-simulator WHEN arm64 IS ENABLED IN framework BUNDLES