From a6f312dfb4497d5e72664c4772a8b122e25b81d8 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fabrice.fontaine@orange.com>
Date: Tue, 26 Jul 2016 09:09:53 +0200
Subject: [PATCH] Update Makefile.in to allow cross-compilation

Use CC, CPP and DESTDIR environment variables passed to configure in Makefile.in files
Fix definition of LIBS and LDFLAGS (LDFLAGS was set to @LIBS@)

Signed-off-by: Fabrice Fontaine <fabrice.fontaine@orange.com>
---
 Makefile.in       | 13 ++++++++-----
 aes/Makefile.in   |  7 +++++--
 doc/Makefile.in   |  4 ++--
 ecc/Makefile.in   |  7 +++++--
 sha2/Makefile.in  |  7 +++++--
 tests/Makefile.in |  4 +++-
 6 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 38cc665..7dcd424 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -40,7 +40,9 @@ OBJECTS:= $(patsubst %.c, %.o, $(SOURCES)) $(SUB_OBJECTS)
 HEADERS:=dtls.h hmac.h dtls_debug.h dtls_config.h uthash.h numeric.h crypto.h global.h ccm.h \
  netq.h alert.h utlist.h prng.h peer.h state.h dtls_time.h session.h \
  tinydtls.h
+CC:=@CC@
 CFLAGS:=-Wall -pedantic -std=c99 @CFLAGS@
+CPP:=@CPP@
 CPPFLAGS:=@CPPFLAGS@ -DDTLS_CHECK_CONTENTTYPE
 SUBDIRS:=tests doc platform-specific sha2 aes ecc
 DISTSUBDIRS:=$(SUBDIRS)
@@ -48,7 +50,8 @@ DISTDIR=$(top_builddir)/$(package)
 FILES:=Makefile.in configure configure.in dtls_config.h.in tinydtls.h.in \
   Makefile.tinydtls $(SOURCES) $(HEADERS)
 LIB:=libtinydtls.a
-LDFLAGS:=@LIBS@
+LDFLAGS:=@LDFLAGS@
+LIBS:=@LIBS@
 ARFLAGS:=cru
 doc:=doc
 
@@ -100,10 +103,10 @@ dist:	$(FILES) $(DISTSUBDIRS)
 	tar czf $(package).tar.gz $(DISTDIR)
 
 install:	$(LIB) $(HEADERS) $(SUBDIRS)
-	test -d $(libdir) || mkdir -p $(libdir)
-	test -d $(includedir) || mkdir -p $(includedir)
-	$(install) $(LIB) $(libdir)/
-	$(install) $(HEADERS) $(includedir)/
+	test -d $(DESTDIR)$(libdir) || mkdir -p $(DESTDIR)$(libdir)
+	test -d $(DESTDIR)$(includedir) || mkdir -p $(DESTDIR)$(includedir)
+	$(install) $(LIB) $(DESTDIR)$(libdir)/
+	$(install) $(HEADERS) $(DESTDIR)$(includedir)/
 	for dir in $(SUBDIRS); do \
 		$(MAKE) -C $$dir install="$(install)" includedir=$(includedir) install; \
 	done
diff --git a/aes/Makefile.in b/aes/Makefile.in
index 7c9f6ef..9ff7799 100644
--- a/aes/Makefile.in
+++ b/aes/Makefile.in
@@ -28,8 +28,11 @@ top_srcdir:= @top_srcdir@
 SOURCES:= rijndael.c
 HEADERS:= rijndael.h
 OBJECTS:= $(patsubst %.c, %.o, $(SOURCES))
+CPP=@CPP@
 CPPFLAGS=@CPPFLAGS@
+CC=@CC@
 CFLAGS=-Wall -std=c99 -pedantic @CFLAGS@
+LDFLAGS=@LDFLAGS@
 LDLIBS=@LIBS@
 FILES:=Makefile.in $(SOURCES) $(HEADERS) 
 DISTDIR=$(top_builddir)/@PACKAGE_TARNAME@-@PACKAGE_VERSION@
@@ -60,8 +63,8 @@ dist:	$(FILES)
 	cp -p $(FILES) $(DISTDIR)/aes
 
 install:	$(HEADERS)
-	test -d $(includedir)/aes || mkdir -p $(includedir)/aes
-	$(install) $(HEADERS) $(includedir)/aes
+	test -d $(DESTDIR)$(includedir)/aes || mkdir -p $(DESTDIR)$(includedir)/aes
+	$(install) $(HEADERS) $(DESTDIR)$(includedir)/aes
 
 .gitignore:
 	echo "core\n*~\n*.[oa]\n*.gz\n*.cap\n$(PROGRAM)\n$(DISTDIR)\n.gitignore" >$@
diff --git a/doc/Makefile.in b/doc/Makefile.in
index a07101e..5ab0a35 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -32,5 +32,5 @@ dist:	doc
 	cp -r $(FILES) $(DISTDIR)/doc
 
 install:	$(doc) html
-	test -d $(htmldir) || mkdir -p $(htmldir)
-	cp -r html/* $(htmldir)
+	test -d $(DESTDIR)$(htmldir) || mkdir -p $(DESTDIR)$(htmldir)
+	cp -r html/* $(DESTDIR)$(htmldir)
diff --git a/ecc/Makefile.in b/ecc/Makefile.in
index 2ba17a1..2086d4f 100644
--- a/ecc/Makefile.in
+++ b/ecc/Makefile.in
@@ -36,8 +36,11 @@ include Makefile.contiki
 else
 ECC_OBJECTS:= $(patsubst %.c, %.o, $(ECC_SOURCES)) ecc_test.o
 PROGRAMS:= testecc testfield
+CPP=@CPP@
 CPPFLAGS=@CPPFLAGS@
+CC=@CC@
 CFLAGS=-Wall -std=c99 -pedantic @CFLAGS@ -DTEST_INCLUDE
+LDFLAGS=@LDFLAGS@
 LDLIBS=@LIBS@
 
 .PHONY: all dirs clean install distclean .gitignore doc
@@ -74,8 +77,8 @@ dist:	$(FILES)
 	cp -p $(FILES) $(DISTDIR)/ecc
 
 install:	$(HEADERS)
-	test -d $(includedir)/ecc || mkdir -p $(includedir)/ecc
-	$(install) $(HEADERS) $(includedir)/ecc
+	test -d $(DESTDIR)$(includedir)/ecc || mkdir -p $(DESTDIR)$(includedir)/ecc
+	$(install) $(ECC_HEADERS) $(DESTDIR)$(includedir)/ecc
 
 .gitignore:
 	echo "core\n*~\n*.[oa]\n*.gz\n*.cap\n$(PROGRAM)\n$(DISTDIR)\n.gitignore" >$@
diff --git a/sha2/Makefile.in b/sha2/Makefile.in
index 9f19314..69f8793 100644
--- a/sha2/Makefile.in
+++ b/sha2/Makefile.in
@@ -28,8 +28,11 @@ top_srcdir:= @top_srcdir@
 SOURCES:= sha2.c
 HEADERS:=sha2.h
 OBJECTS:= $(patsubst %.c, %.o, $(SOURCES))
+CPP=@CPP@
 CPPFLAGS=@CPPFLAGS@ -I$(top_srcdir)
+CC=@CC@
 CFLAGS=-Wall -std=c99 -pedantic @CFLAGS@
+LDFLAGS=@LDFLAGS@
 LDLIBS=@LIBS@
 FILES:=Makefile.in $(SOURCES) $(HEADERS) README sha2prog.c sha2speed.c sha2test.pl 
 DISTDIR=$(top_builddir)/@PACKAGE_TARNAME@-@PACKAGE_VERSION@
@@ -62,8 +65,8 @@ dist:	$(FILES)
 	cp -pr testvectors $(DISTDIR)/sha2/testvectors
 
 install:	$(HEADERS)
-	test -d $(includedir)/sha2 || mkdir -p $(includedir)/sha2
-	$(install) $(HEADERS) $(includedir)/sha2
+	test -d $(DESTDIR)$(includedir)/sha2 || mkdir -p $(DESTDIR)$(includedir)/sha2
+	$(install) $(HEADERS) $(DESTDIR)$(includedir)/sha2
 
 .gitignore:
 	echo "core\n*~\n*.[oa]\n*.gz\n*.cap\n$(PROGRAM)\n$(DISTDIR)\n.gitignore" >$@
diff --git a/tests/Makefile.in b/tests/Makefile.in
index a8a2ed0..b45f440 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -32,9 +32,11 @@ SOURCES:= dtls-server.c ccm-test.c prf-test.c \
 OBJECTS:= $(patsubst %.c, %.o, $(SOURCES))
 PROGRAMS:= $(patsubst %.c, %, $(SOURCES))
 HEADERS:=
+CC:=@CC@
 CFLAGS:=-Wall @CFLAGS@ 
+CPP:=@CPP@
 CPPFLAGS:=-I$(top_srcdir) @CPPFLAGS@
-LDFLAGS:=-L$(top_builddir) 
+LDFLAGS:=-L$(top_builddir) @LDFLAGS@ 
 LDLIBS:=-ltinydtls @LIBS@
 DISTDIR=$(top_builddir)/@PACKAGE_TARNAME@-@PACKAGE_VERSION@
 FILES:=Makefile.in $(SOURCES) ccm-testdata.c #cbc_aes128-testdata.c
-- 
2.7.4