5 files changed, 23 insertions, 5 deletions
diff --git a/kernel/tools/build/tests/ex/Build b/kernel/tools/build/tests/ex/Build
index 0e6c3e676..4d502f9b1 100644
--- a/kernel/tools/build/tests/ex/Build
+++ b/kernel/tools/build/tests/ex/Build
@@ -1,7 +1,10 @@
 ex-y += ex.o
 ex-y += a.o
 ex-y += b.o
+ex-y += b.o
 ex-y += empty/
+ex-y += empty2/
+ex-y += inc.o
 
 libex-y += c.o
 libex-y += d.o
diff --git a/kernel/tools/build/tests/ex/Makefile b/kernel/tools/build/tests/ex/Makefile
index 52d247607..c50d5782a 100644
--- a/kernel/tools/build/tests/ex/Makefile
+++ b/kernel/tools/build/tests/ex/Makefile
@@ -1,19 +1,22 @@
-export srctree := ../../../..
+export srctree := $(abspath ../../../..)
 export CC      := gcc
 export LD      := ld
 export AR      := ar
 
-build := -f $(srctree)/tools/build/Makefile.build dir=. obj
+ex:
+
+include $(srctree)/tools/build/Makefile.include
+
 ex: ex-in.o libex-in.o
 	gcc -o $@ $^
 
-ex.%: FORCE
+ex.%: fixdep FORCE
 	make -f $(srctree)/tools/build/Makefile.build dir=. $@
 
-ex-in.o: FORCE
+ex-in.o: fixdep FORCE
 	make $(build)=ex
 
-libex-in.o: FORCE
+libex-in.o: fixdep FORCE
 	make $(build)=libex
 
 clean:
diff --git a/kernel/tools/build/tests/ex/empty2/README b/kernel/tools/build/tests/ex/empty2/README
new file mode 100644
index 000000000..2107cc5bf
--- /dev/null
+++ b/kernel/tools/build/tests/ex/empty2/README
@@ -0,0 +1,2 @@
+This directory is left intentionally without Build file
+to test proper nesting into Build-less directories.
diff --git a/kernel/tools/build/tests/ex/ex.c b/kernel/tools/build/tests/ex/ex.c
index dc42eb2e1..57de6074d 100644
--- a/kernel/tools/build/tests/ex/ex.c
+++ b/kernel/tools/build/tests/ex/ex.c
@@ -5,6 +5,7 @@ int c(void);
 int d(void);
 int e(void);
 int f(void);
+int inc(void);
 
 int main(void)
 {
@@ -14,6 +15,7 @@ int main(void)
 	d();
 	e();
 	f();
+	inc();
 
 	return 0;
 }
diff --git a/kernel/tools/build/tests/ex/inc.c b/kernel/tools/build/tests/ex/inc.c
new file mode 100644
index 000000000..c20f1e903
--- /dev/null
+++ b/kernel/tools/build/tests/ex/inc.c
@@ -0,0 +1,8 @@
+#ifdef INCLUDE
+#include "krava.h"
+#endif
+
+int inc(void)
+{
+	return 0;
+}