If we create/modify/touch file syscalls/utils/compat_16.h and execute
'make' in any of syscalls directories which includes compat_16.mk, then
nothing will happen, because this approach:

   %.c: $(COMPAT_16_H)

is not working.

Fixed this.

Signed-off-by: Stanislav Kholmanskikh <stanislav.kholmansk...@oracle.com>
---
 testcases/kernel/syscalls/utils/compat_16.mk |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/testcases/kernel/syscalls/utils/compat_16.mk 
b/testcases/kernel/syscalls/utils/compat_16.mk
index 371bd43..36ece1b 100644
--- a/testcases/kernel/syscalls/utils/compat_16.mk
+++ b/testcases/kernel/syscalls/utils/compat_16.mk
@@ -55,6 +55,7 @@ CPPFLAGS              += -I$(abs_srcdir) 
-I$(abs_srcdir)/../utils
 SRCS                   ?= $(wildcard $(abs_srcdir)/*.c)
 
 MAKE_TARGETS           := $(notdir $(patsubst %.c,%,$(SRCS)))
+MAKE_TARGETS_OBJS_WO_COMPAT_16 := $(addsuffix .o,$(MAKE_TARGETS))
 
 ifneq ($(TST_COMPAT_16_SYSCALL),no)
 MAKE_TARGETS           += $(addsuffix _16,$(MAKE_TARGETS))
@@ -69,7 +70,8 @@ COMPAT_16_H           := $(abs_srcdir)/../utils/compat_16.h
 ifneq ($(wildcard $(COMPAT_16_H)),)
 HAS_COMPAT_16          := 1
 
-%.c: $(COMPAT_16_H)
+$(MAKE_TARGETS_OBJS_WO_COMPAT_16): $(COMPAT_16_H)
+.INTERMEDIATE: $(MAKE_TARGETS_OBJS_WO_COMPAT_16)
 
 else
 HAS_COMPAT_16          := 0
@@ -78,5 +80,5 @@ endif
 %_16: CPPFLAGS += -D$(DEF_16)=1
 # XXX (garrcoop): End section of code in question..
 
-%_16.o: %.c
+%_16.o: %.c $(COMPAT_16_H)
        $(COMPILE.c) $(OUTPUT_OPTION) $<
-- 
1.7.1


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