btrfs-progs: tests: add script to help build coverage

Signed-off-by: David Sterba <dsterba@suse.com>

tests/build-tests.sh

@@ -0,0 +1,88 @@
+#!/bin/sh
+# test various compilation options
+# - 32bit, 64bit
+# - dynamic, static
+# - various configure options
+#
+# Arguments: anything will be passed to 'make', eg. define CC, D, V
+#
+# Requirements for full coverage:
+# - static version of all libs
+# - 32bit/64bit libraries, also the static variants
+
+make=make
+opts="-j16 $@"
+
+conf=
+target=
+
+function die() {
+	echo "ERROR: $@"
+	exit 1
+}
+
+function check_result() {
+	local ret
+	local str
+
+	ret=$1
+
+	str="RESULT of target($target) conf($conf): "
+	case $ret in
+		0) str="$str OK";;
+		*) str="$str FAIL";;
+	esac
+	echo "$str"
+	verdict="$verdict
+$str"
+}
+
+function buildme() {
+	make clean-all
+
+	./autogen.sh && configure "$conf" || die "configure not working with: $@"
+	$make clean
+	$make $opts $target
+	check_result "$?"
+	echo "VERDICT: $verdict"
+}
+
+function build_make_targets() {
+	# defaults
+	target=
+	buildme
+	# defaults, static
+	target=static
+	buildme
+	# defaults, 32bit
+	target="EXTRA_CFLAGS=-m32"
+	buildme
+	# defaults, 64bit
+	target="EXTRA_CFLAGS=-m64"
+	buildme
+	# defaults, library
+	target="library-test"
+	buildme
+}
+
+# main()
+if ! [ -f configure.ac ]; then
+	echo "Please run me from the top directory"
+	exit 1
+fi
+
+verdict=
+conf=
+build_make_targets
+
+conf='--disable-documentation'
+build_make_targets
+
+conf='--disable-backtrace'
+build_make_targets
+
+conf='--disable-convert'
+build_make_targets
+
+echo "---------------------------------------------------"
+echo "$verdict"