linux: bump to 5.8.9

1 files changed, 66 insertions, 6 deletions

diff --git a/personal/linux/build b/personal/linux/build
index 1747214..6f77fd3 100755
--- a/personal/linux/build
+++ b/personal/linux/build
@@ -1,16 +1,76 @@
 #!/bin/sh -e
 
+# POSIX install functions, similar to 'install -Dm'
+# and 'install -Dm* -t'
+kinstall() {
+    # usage: kinstall 644 file /usr/bin/prog
+    mkdir -p "${3%/*}"; rmdir "$3" 2>/dev/null ||:
+    cp "$2" "$3"
+    [ -d "$3" ] && set -- "$1" "$3/${2##*/}"
+    chmod "$1" "${3:-$2}"
+}
+
+kinstall_t() {
+    # usage: kinstall_t 644 /usr/bin prog1 prog2
+    mod=$1 dir=$2; mkdir -p "$dir"
+    shift 2
+    for file; do
+        cp "$file" "$dir"
+        chmod "$mod" "$dir/${file##*/}"
+    done
+}
+
+# Use an out function similar to KISS' log.
+out() { printf '\033[1;33m-> \033[1;36mlinux \033[m%s\n' "$@" >&2 ;}
+
 patch -p1 < kernel-no-perl.patch
 
 cp .config oldconfig
 make olddefconfig
 
 # Store the build version in a file and a variable.
-read -r ver <<EOF
-$(make -s kernelrelease)
-EOF
+make kernelrelease > version
+read ver < version
+
+modulepath="$1/usr/lib/modules/$ver/build"
 
+out "Compiling the kernel"
 make
-install -Dm644 "$(make -s image_name)" "$1/boot/vmlinuz-$ver"
-install -Dm644 System.map              "$1/boot/System.map-$ver"
-install -Dm644 .config                 "$1/boot/Config-$ver"
+
+out "Installing the kernel"
+kinstall 644 "$(make -s image_name)" "$1/boot/vmlinuz-$ver"
+kinstall 644 System.map              "$1/boot/System.map-$ver"
+kinstall 644 .config                 "$1/boot/Config-$ver"
+
+out "Installing kernel modules"
+make INSTALL_MOD_PATH="$1/usr" modules_install
+
+out "Creating module source directory"
+rm -f "${modulepath%/*}/build" "${modulepath%/*}/source"
+kinstall_t 644 "$modulepath/arch/x86"        arch/x86/Makefile
+kinstall_t 644 "$modulepath/arch/x86/kernel" arch/x86/kernel/asm-offsets.s
+kinstall_t 644 "$modulepath/kernel"          kernel/Makefile
+kinstall_t 644 "$modulepath/drivers/md"      drivers/md/*.h
+kinstall_t 644 "$modulepath/net/mac80211"    net/mac80211/*.h
+kinstall_t 755 "$modulepath/tools/objtool"   tools/objtool/objtool
+kinstall_t 644 "$modulepath"                 .config Makefile Module.symvers \
+                                             System.map version vmlinux
+
+
+cp -a scripts          "$modulepath/scripts"
+cp -a include          "$modulepath/include"
+cp -a arch/x86/include "$modulepath/arch/x86/include"
+
+find . -name 'Kconfig*' | while read -r file; do
+    kinstall 644 "$file" "$modulepath/$file"
+done
+
+out "Removing junk"
+find -L "${modulepath%/*}" -type l             -exec rm -rf {} +
+find    "${modulepath%/*}" -type f -name '*.o' -exec rm -rf {} +
+
+out "Linking /usr/src/linux to the module directory"
+mkdir -p "$1/usr/src"
+ln -sf "${modulepath#$1}" "$1/usr/src/linux"
+
+out Done.