[CRIU] [V2 5/6] Android NDK: necessary Makefile changes

[ning.a.zhang at intel.com]

From: Zhang Ning <ning.a.zhang at intel.com>

1, disable warning
    -Wno-implicit-function-declaration
	this is due to Android NDK missing index functin in strings.h,
	it will report -Wimplicit-function-declaration error.
	disable this warning to pass build, and your need to add
	additional library which has index function to pass link.

2, do not hardcode libnl's cflags
    when cross compile CRIU, libnl's header file should not point to host.

3, remove link to rt
    Android NDK doesn't have library rt, and CRIU is not really need it,
    so disable it to pass link

Cc: Chen Hu <hu1.chen at intel.com>
Signed-off-by: Zhang Ning <ning.a.zhang at intel.com>
Reviewed-by: Cyrill Gorcunov <gorcunov at gmail.com>
---
 Makefile               | 2 +-
 criu/Makefile          | 2 +-
 criu/Makefile.packages | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 38887da9..d5dae703 100644
--- a/Makefile
+++ b/Makefile
@@ -89,7 +89,7 @@ export PROTOUFIX DEFINES
 DEFINES			+= -D_FILE_OFFSET_BITS=64
 DEFINES			+= -D_GNU_SOURCE
 
-WARNINGS		:= -Wall -Wformat-security
+WARNINGS		:= -Wall -Wformat-security -Wno-implicit-function-declaration
 
 CFLAGS-GCOV		:= --coverage -fno-exceptions -fno-inline -fprofile-update=atomic
 export CFLAGS-GCOV
diff --git a/criu/Makefile b/criu/Makefile
index bcfb7162..79787817 100644
--- a/criu/Makefile
+++ b/criu/Makefile
@@ -26,7 +26,7 @@ ccflags-y		+= -iquote include
 ccflags-y		+= -iquote images
 ccflags-y		+= -iquote $(ARCH_DIR)/include
 ccflags-y		+= -iquote .
-ccflags-y		+= -I/usr/include/libnl3
+ccflags-y		+= $(shell pkg-config --cflags libnl-3.0)
 ccflags-y		+= $(COMPEL_UAPI_INCLUDES)
 ccflags-y		+= $(CONFIG-DEFINES)
 
diff --git a/criu/Makefile.packages b/criu/Makefile.packages
index d828cb61..b01b4b04 100644
--- a/criu/Makefile.packages
+++ b/criu/Makefile.packages
@@ -32,7 +32,7 @@ REQ-DEB-PKG-NAMES	+= python-future
 REQ-RPM-PKG-TEST-NAMES	+= $(PYTHON)-pyyaml
 endif
 
-export LIBS		+= -lrt -lprotobuf-c -ldl -lnl-3 -lsoccr -Lsoccr/ -lnet
+export LIBS		+= -lprotobuf-c -ldl -lnl-3 -lsoccr -Lsoccr/ -lnet
 
 check-packages-failed:
 	$(warning Can not find some of the required libraries)
-- 
2.20.1