From d8d70559a279706c206761dfaf665d2197934123 Mon Sep 17 00:00:00 2001
From: Gustavo Zacarias <gustavo@zacarias.com.ar>
Date: Sun, 6 Mar 2016 22:52:02 +0100
Subject: [PATCH] build-system: fixes for cross-compilation

Avoid the libcap buildsys forcing CC/CFLAGS/LDFLAGS/AR/RANLIB

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
[yann.morin.1998@free.fr: dont chmod +x the shared lib]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

diff --git a/Make.Rules b/Make.Rules
index 8347b26..8a07a3f 100644
--- a/Make.Rules
+++ b/Make.Rules
@@ -48,26 +48,26 @@ MINOR=25
 KERNEL_HEADERS := $(topdir)/libcap/include/uapi
 IPATH += -fPIC -I$(KERNEL_HEADERS) -I$(topdir)/libcap/include
 
-CC := gcc
-CFLAGS := -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-BUILD_CC := $(CC)
-BUILD_CFLAGS := $(CFLAGS) $(IPATH)
-AR := ar
-RANLIB := ranlib
+CC ?= gcc
+CFLAGS ?= -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+BUILD_CC ?= $(CC)
+BUILD_CFLAGS ?= $(CFLAGS) $(IPATH)
+AR ?= ar
+RANLIB ?= ranlib
 DEBUG = -g #-DDEBUG
 WARNINGS=-Wall -Wwrite-strings \
         -Wpointer-arith -Wcast-qual -Wcast-align \
         -Wstrict-prototypes -Wmissing-prototypes \
         -Wnested-externs -Winline -Wshadow
 LD=$(CC) -Wl,-x -shared
-LDFLAGS := #-g
+LDFLAGS ?= #-g
 BUILD_GPERF := $(shell which gperf >/dev/null 2>/dev/null && echo yes)
 
 SYSTEM_HEADERS = /usr/include
 INCS=$(topdir)/libcap/include/sys/capability.h
 LDFLAGS += -L$(topdir)/libcap
 CFLAGS += -Dlinux $(WARNINGS) $(DEBUG)
-PAM_CAP := $(shell if [ -f /usr/include/security/pam_modules.h ]; then echo yes ; else echo no ; fi)
+PAM_CAP = no
 INDENT := $(shell if [ -n "$$(which indent 2>/dev/null)" ]; then echo "| indent -kr" ; fi)
 DYNAMIC := $(shell if [ ! -d "$(topdir)/.git" ]; then echo yes; fi)
 
-- 
1.9.1