Changeset 97012 in vbox for trunk/src/VBox/Additions

Timestamp:

Oct 5, 2022 6:42:33 PM (2 years ago)

Author:

vboxsync

Message:

Additions: Linux: rcvboxadd.sh: Parse kernel config manually if /lib/modules/$(uname -r)/build/scripts/config tool is not available, bugref:10287.

File:

• trunk/src/VBox/Additions/linux/installer/vboxadd.sh (modified) (2 diffs)

trunk/src/VBox/Additions/linux/installer/vboxadd.sh

@@ -310 +310 @@
 fi
 
+# Reads kernel configuration option.
+kernel_get_config_opt()
+{
+    opt_name="$1"
+    [ -n "$opt_name" ] || return
+
+    # Check if there is a kernel tool which can extract config option.
+    if test -x /lib/modules/"$KERN_VER"/build/scripts/config; then
+        /lib/modules/"$KERN_VER"/build/scripts/config \
+            --file /lib/modules/"$KERN_VER"/build/.config \
+            --state "$opt_name" 2>/dev/null
+    elif test -f /lib/modules/"$KERN_VER"/build/.config; then
+        # Extract config option manually.
+        grep "$opt_name" /lib/modules/"$KERN_VER"/build/.config | sed -e "s/^$opt_name=//" -e "s/\"//g"
+    fi
+}
+
 # Reads CONFIG_MODULE_SIG_HASH from kernel config.
 kernel_module_sig_hash()
 {
-    /lib/modules/"$KERN_VER"/build/scripts/config \
-        --file /lib/modules/"$KERN_VER"/build/.config \
-        --state CONFIG_MODULE_SIG_HASH 2>/dev/null
+    kernel_get_config_opt "CONFIG_MODULE_SIG_HASH"
 }
 
@@ -428 +443 @@
     # Detect if kernel was built with clang.
     unset LLVM
-    vbox_cc_is_clang=$(/lib/modules/"$KERN_VER"/build/scripts/config \
-        --file /lib/modules/"$KERN_VER"/build/.config \
-        --state CONFIG_CC_IS_CLANG 2>/dev/null)
+    vbox_cc_is_clang=$(kernel_get_config_opt "CONFIG_MODULE_SIG_HASH")
     if test "${vbox_cc_is_clang}" = "y"; then
         info "Using clang compiler."