kernel: Use new kernel configuration rendering method

Import kernel-config infrastructure from BLFS and use it for kernel
configuration.  Note that kernel-config.py is slightly different from
BLFS: we need role="nodump" for <screen> here.

1 files changed, 19 insertions, 0 deletions

diff --git a/chapter10/kernel/Makefile b/chapter10/kernel/Makefile
new file mode 100644
index 000000000..d02408dcc
--- /dev/null
+++ b/chapter10/kernel/Makefile
@@ -0,0 +1,19 @@
+INPUT = $(wildcard *.toml)
+OUTPUT = $(patsubst %.toml, %.xml, $(INPUT))
+
+ifeq ($(KERNEL_TREE),)
+$(error "must set KERNEL_TREE=/path/to/kernel/source")
+endif
+
+all: $(OUTPUT)
+
+kernel.version: s-kernel-version; @true
+s-kernel-version: Makefile kernel_version.py
+	./kernel_version.py $(KERNEL_TREE) > tmp-kernel.version
+	if ! diff tmp-kernel.version $@ 2>/dev/null >/dev/null; then \
+		mv tmp-kernel.version kernel.version;                    \
+	fi
+	touch s-kernel-version
+
+%.xml: %.toml kernel-config.py kernel_version.py kernel.version
+	./kernel-config.py $(KERNEL_TREE) $< > $@