Changeset 95409 in vbox for trunk/src/VBox

Timestamp:

Jun 28, 2022 5:23:38 PM (3 years ago)

Author:

vboxsync

Message:

Linux host and guest drivers: detect clang, bugref:10247.

Make rcvboxdrv and rcvboxadd to be able to detect if
kernel was build with clang and trigger kernel build
system to compile VBox modules with clang.

Location:

trunk/src/VBox

Files:

• Additions/linux/installer/vboxadd.sh (modified) (1 diff)
• Installer/linux/vboxdrv.sh (modified) (1 diff)

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

@@ -290 +290 @@
     export KERN_VER
     info "Building the modules for kernel $KERN_VER."
+
+    # Detect if kernel was built with clang.
+    unset LLVM
+    vbox_cc_is_clang=$(/lib/modules/"$KERN_VER"/build/scripts/config \
+        --file /lib/modules/"$KERN_VER"/build/.config \
+        --state CONFIG_CC_IS_CLANG 2>/dev/null)
+    if test "${vbox_cc_is_clang}" = "y"; then
+        info "Using clang compiler."
+        export LLVM=1
+    fi
 
     log "Building the main Guest Additions $INSTALL_VER module for kernel $KERN_VER."

trunk/src/VBox/Installer/linux/vboxdrv.sh

@@ -532 +532 @@
     begin_msg "Building VirtualBox kernel modules" console
     log "Building the main VirtualBox module."
+
+    # Detect if kernel was built with clang.
+    unset LLVM
+    vbox_cc_is_clang=$(/lib/modules/"$KERN_VER"/build/scripts/config \
+        --file /lib/modules/"$KERN_VER"/build/.config \
+        --state CONFIG_CC_IS_CLANG 2>/dev/null)
+    if test "${vbox_cc_is_clang}" = "y"; then
+        log "Using clang compiler."
+        export LLVM=1
+    fi
+
     if ! myerr=`$BUILDINTMP \
         --save-module-symvers /tmp/vboxdrv-Module.symvers \