Makefile: Split test target into test-prefix and test

Add test-prefix target for building and installing libkrun to the test prefix prefix
without actually running the tests.

Signed-off-by: Matej Hrica <[email protected]>

Author: mtjhrc

Makefile

@@ -90,7 +90,7 @@ ifeq ($(PREFIX),)
     PREFIX := /usr/local
 endif
 
-.PHONY: install clean test $(LIBRARY_RELEASE_$(OS)) $(LIBRARY_DEBUG_$(OS)) libkrun.pc
+.PHONY: install clean test test-prefix $(LIBRARY_RELEASE_$(OS)) $(LIBRARY_DEBUG_$(OS)) libkrun.pc
 
 all: $(LIBRARY_RELEASE_$(OS)) libkrun.pc
 
@@ -157,7 +157,11 @@ clean:
 	rm -rf test-prefix
 	cd tests; cargo clean
 
-test: $(LIBRARY_RELEASE_$(OS))
+test-prefix/lib64/libkrun.pc: $(LIBRARY_RELEASE_$(OS))
 	mkdir -p test-prefix
 	PREFIX="$$(realpath test-prefix)" make install
+
+test-prefix: test-prefix/lib64/libkrun.pc
+
+test: test-prefix
 	cd tests; LD_LIBRARY_PATH="$$(realpath ../test-prefix/lib64/)" PKG_CONFIG_PATH="$$(realpath ../test-prefix/lib64/pkgconfig/)" ./run.sh