proof of concept patch for kernel-build.eclass

patch (text/plain), 3.08 KB, created by Nowa Ammerlaan on 2024-08-08 12:54:53 UTC

diff --git a/eclass/kernel-build.eclass b/eclass/kernel-build.eclass
index c4f3db0028a9..43786c5aa6db 100644
--- a/eclass/kernel-build.eclass
+++ b/eclass/kernel-build.eclass
@@ -55,7 +55,7 @@ BDEPEND="
 	riscv? ( sys-apps/dtc )
 "
 
-IUSE="+strip"
+IUSE="+strip source"
 
 # @ECLASS_VARIABLE: KERNEL_IUSE_MODULES_SIGN
 # @PRE_INHERIT
@@ -381,21 +381,26 @@ kernel-build_src_install() {
 		doins "arch/${kern_arch}/kernel/module.lds"
 	fi
 
-	# remove everything but Makefile* and Kconfig*
-	find -type f '!' '(' -name 'Makefile*' -o -name 'Kconfig*' ')' \
-		-delete || die
-	find -type l -delete || die
+	if ! use source; then
+		# remove everything but Makefile* and Kconfig*
+		find -type f '!' '(' -name 'Makefile*' -o -name 'Kconfig*' ')' \
+			-delete || die
+		find -type l -delete || die
+	fi
 	cp -p -R * "${ED}${kernel_dir}/" || die
 
 	cd "${WORKDIR}" || die
-	# strip out-of-source build stuffs from modprep
-	# and then copy built files as well
-	find modprep -type f '(' \
-			-name Makefile -o \
-			-name '*.[ao]' -o \
-			'(' -name '.*' -a -not -name '.config' ')' \
-		')' -delete || die
-	rm modprep/source || die
+
+	if ! use source; then
+		# strip out-of-source build stuffs from modprep
+		# and then copy built files as well
+		find modprep -type f '(' \
+				-name Makefile -o \
+				-name '*.[ao]' -o \
+				'(' -name '.*' -a -not -name '.config' ')' \
+			')' -delete || die
+		rm modprep/source || die
+	fi
 	cp -p -R modprep/. "${ED}${kernel_dir}"/ || die
 	# If CONFIG_MODULES=y, then kernel.release will be found in modprep as well, but not
 	# in case of CONFIG_MODULES is not set.
@@ -432,22 +437,24 @@ kernel-build_src_install() {
 		dostrip -x "${kernel_dir}/vmlinux"
 	fi
 
-	# strip empty directories
-	find "${D}" -type d -empty -exec rmdir {} + || die
-
-	# warn when trying to "make" a dist-kernel
-	cat <<-EOF >> "${ED}${kernel_dir}/Makefile" || die
-
-		_GENTOO_IS_USER_SHELL:=\$(shell [ -t 0 ] && echo 1)
-		ifdef _GENTOO_IS_USER_SHELL
-		\$(warning !!!! WARNING !!!!)
-		\$(warning This kernel was configured and installed by the package manager.)
-		\$(warning "make" should not be run manually here.)
-		\$(warning See also: https://wiki.gentoo.org/wiki/Project:Distribution_Kernel)
-		\$(warning See also: https://wiki.gentoo.org/wiki/Kernel/Configuration)
-		\$(warning !!!! WARNING !!!!)
-		endif
-	EOF
+	if ! use source; then
+		# strip empty directories
+		find "${D}" -type d -empty -exec rmdir {} + || die
+
+		# warn when trying to "make" a dist-kernel
+		cat <<-EOF >> "${ED}${kernel_dir}/Makefile" || die
+
+			_GENTOO_IS_USER_SHELL:=\$(shell [ -t 0 ] && echo 1)
+			ifdef _GENTOO_IS_USER_SHELL
+			\$(warning !!!! WARNING !!!!)
+			\$(warning This kernel was configured and installed by the package manager.)
+			\$(warning "make" should not be run manually here.)
+			\$(warning See also: https://wiki.gentoo.org/wiki/Project:Distribution_Kernel)
+			\$(warning See also: https://wiki.gentoo.org/wiki/Kernel/Configuration)
+			\$(warning !!!! WARNING !!!!)
+			endif
+		EOF
+	fi
 	# add a dist-kernel identifier file
 	echo "${CATEGORY}/${PF}:${SLOT}" > "${ED}${kernel_dir}/dist-kernel" || die