Add build-linux-tegra.sh script

This script can be used to run sanity builds of the Tegra tree. It will
build all branches separately, either in separate directories or within
the same directory, incrementally.

Signed-off-by: Thierry Reding <treding@nvidia.com>

3 files changed, 150 insertions, 0 deletions

diff --git a/build-linux-tegra.sh b/build-linux-tegra.sh
new file mode 100755
index 0000000..53980fc
--- /dev/null
+++ b/build-linux-tegra.sh
@@ -0,0 +1,91 @@
+#!/bin/sh
+
+set -e
+#set -x
+
+. "${0%/*}/tegra-branches.sh.dot"
+. "${0%/*}/lib.sh"
+
+function usage()
+{
+	echo "usage: $1 [options]"
+	echo ""
+	echo "options:"
+	echo "  -i, --incremental    build all branches incrementally"
+}
+
+outputdir=build/tegra
+dry_run=no
+incremental=no
+num_jobs=1
+
+while test $# -gt 0; do
+	if test -n "$prev"; then
+		eval "$prev=$1"
+		shift; prev=
+		continue
+	fi
+
+	case $1 in
+		-i | --incremental)
+			incremental=yes
+			shift
+			;;
+
+		-j | --jobs)
+			prev=num_jobs
+			shift
+			;;
+
+		-n | --dry-run)
+			dry_run=yes
+			shift
+			;;
+
+		-o | --output)
+			prev=outputdir
+			shift
+			;;
+
+		*)
+			usage $0
+			exit 1
+			;;
+	esac
+done
+
+for branch in ${branches} for-next; do
+	if test "x$dry_run" = "xyes"; then
+		echo "dry-run: building $branch"
+	else
+		git checkout ${branch}
+	fi
+
+	while read arch config; do
+		if test "x$incremental" = "xno"; then
+			KBUILD_OUTPUT="${outputdir}/${branch}/${arch}/${config}"
+			logdir="${KBUILD_OUTPUT}"
+
+			if test -d "$KBUILD_OUTPUT"; then
+				rm -rf "$KBUILD_OUTPUT"
+			fi
+		else
+			KBUILD_OUTPUT="${outputdir}/${arch}/${config}"
+			logdir="${KBUILD_OUTPUT}/logs/${branch}"
+		fi
+
+		export KBUILD_OUTPUT
+		mkdir -p "${logdir}"
+
+		cross_compile_prepare $arch
+		echo -n "  ${arch}:${config} in $KBUILD_OUTPUT... "
+
+		exec 3> "${logdir}/build.log"
+		make ${config} >&3 2>&1
+		make -j ${num_jobs} >&3 2>&1
+		exec 3>&-
+
+		cross_compile_cleanup
+		echo "done"
+	done < "${0%/*}/configs"
+done
diff --git a/configs b/configs
new file mode 100644
index 0000000..34584d5
--- /dev/null
+++ b/configs
@@ -0,0 +1,3 @@
+arm   tegra_defconfig
+arm   multi_v7_defconfig
+arm64 defconfig
diff --git a/lib.sh b/lib.sh
index 0163927..fe83ff4 100644
--- a/lib.sh
+++ b/lib.sh
@@ -17,3 +17,59 @@ get_remote()
 		esac
 	done
 }
+
+function cross_compile_prepare()
+{
+	local arch key value path
+
+	case $1 in
+		aarch64)
+			arch=arm64
+			;;
+
+		*)
+			arch=$1
+			;;
+	esac
+
+	if test -f "$HOME/.cross-compile"; then
+		while read key value; do
+			key="${key%:}"
+
+			if test "$key" = "path"; then
+				eval "value=$value"
+
+				if test -n "$path"; then
+					path="$path:$value"
+				else
+					path="$value"
+				fi
+			elif test "$key" = "$arch"; then
+				if test -n "$CROSS_COMPILE"; then
+					saved_CROSS_COMPILE="$CROSS_COMPILE"
+				fi
+
+				ARCH=$arch; CROSS_COMPILE="$value"
+				export ARCH CROSS_COMPILE
+			fi
+		done < "$HOME/.cross-compile"
+	fi
+
+	if test -n "$path"; then
+		saved_PATH="$PATH"
+		PATH="$path:$PATH"
+	fi
+}
+
+function cross_compile_cleanup()
+{
+	if test -n "$saved_CROSS_COMPILE"; then
+		CROSS_COMPILE="$saved_CROSS_COMPILE"
+	else
+		unset CROSS_COMPILE
+	fi
+
+	if test -n "$saved_PATH"; then
+		PATH="$saved_PATH"
+	fi
+}