From e93c2168f531e65352352afe9ba590339014f5f6 Mon Sep 17 00:00:00 2001
From: Alexander Hill <ahill@breadpudding.dev>
Date: Sat, 20 Dec 2025 23:58:05 -0500
Subject: Made progress on building the kernel

---
 sources/linux/linux-mold.patch | 28 ++++++++++++++++++++++++++++
 sources/linux/linux.spec       | 26 ++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 sources/linux/linux-mold.patch

diff --git a/sources/linux/linux-mold.patch b/sources/linux/linux-mold.patch
new file mode 100644
index 0000000..84b5de9
--- /dev/null
+++ b/sources/linux/linux-mold.patch
@@ -0,0 +1,28 @@
+diff -ruN vanilla/ld-version.sh maple/ld-version.sh
+--- vanilla/scripts/ld-version.sh	2025-12-20 22:21:33.612821362 -0500
++++ maple/scripts/ld-version.sh	2025-12-20 22:26:22.501951110 -0500
+@@ -41,6 +41,11 @@
+ elif [ "$1" = GNU -a "$2" = gold ]; then
+ 	echo "gold linker is not supported as it is not capable of linking the kernel proper." >&2
+ 	exit 1
++elif [ "$1" = mold ]; then
++    version=$2
++	min_version=$($min_tool_version mold)
++	name=mold
++	disp_name=mold
+ else
+ 	while [ $# -gt 1 -a "$1" != "LLD" ]; do
+ 		shift
+diff -ruN vanilla/min-tool-version.sh maple/min-tool-version.sh
+--- vanilla/scripts/min-tool-version.sh	2025-12-20 22:21:43.939683406 -0500
++++ maple/scripts/min-tool-version.sh	2025-12-20 22:22:08.348357201 -0500
+@@ -36,6 +36,9 @@
+ bindgen)
+ 	echo 0.65.1
+ 	;;
++mold)
++    echo 2.40.4
++    ;;
+ *)
+ 	echo "$1: unknown tool" >&2
+ 	exit 1
diff --git a/sources/linux/linux.spec b/sources/linux/linux.spec
index dd0b5a3..2032537 100755
--- a/sources/linux/linux.spec
+++ b/sources/linux/linux.spec
@@ -1,5 +1,31 @@
 # Maintainer: Alexander Hill <ahill@breadpudding.dev>
 SRC_HASH="d0a78bf3f0d12aaa10af3b5adcaed5bc767b5b78705e5ef885d5e930b72e25d5"
 SRC_NAME="linux"
+SRC_PATCHES="
+5a0616535b4c04d99a3db3e8ea528e6e658fd12b11161f9dcf56f5c21a3b0e62  linux-mold.patch
+"
+SRC_REVISION=1
 SRC_URL="https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.18.1.tar.xz"
 SRC_VERSION="6.18.1"
+
+build() {
+    tar xf ../$SRC_FILENAME
+    cd linux-$SRC_VERSION/
+    # NOTE: Linux doesn't officially support mold, so we have to patch a couple
+    #       of scripts to allow the kernel to build. ~ahill
+    patch -p1 < ../linux-mold.patch
+    # NOTE: LLVM=1 is required for ALL invocations of the kernel's Makefile. GNU
+    #       tools are still used by default in a lot of places and this will
+    #       override them with LLVM tools wherever possible. ~ahill
+    LLVM=1 make mrproper
+    # NOTE: YACC defaults to bison, which doesn't exist here, so we tell it
+    #       where to find the parser generator manually. ~ahill
+    # NOTE: Similarly, since we aren't using LLVM's linker, we tell it to use
+    #       mold manually. ~ahill
+    LLVM=1 make -j $TT_PROCS defconfig LD=mold YACC=byacc
+    LLVM=1 make -j $TT_PROCS HOSTLD=mold LD=mold YACC=byacc
+}
+
+clean() {
+    rm -rf libelf-$SRC_VERSION/
+}
-- 
cgit v1.2.3