libffi: bump to version 3.2.1

Among many fixes and improvements this new version adds
support of ARC architecture (ARC port was actually introduced
in v3.1 but while at it why not to update to the most recent version).
Which allows to build dependent projects like Python etc.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

libs/libffi/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libffi
-PKG_VERSION:=3.0.13
+PKG_VERSION:=3.2.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=ftp://sourceware.org/pub/libffi/
-PKG_MD5SUM:=45f3b6dbc9ee7c7dfbbbc5feba571529
+PKG_MD5SUM:=83b89587607e3eb65c70d361f13bab43
 
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=LICENSE
@@ -66,7 +66,7 @@ define Build/InstallDev
 
 	$(INSTALL_DIR) $(1)/usr/include
 	$(CP) \
-		$(PKG_INSTALL_DIR)/usr/include/*.h \
+		$(PKG_INSTALL_DIR)/usr/lib/$(PKG_NAME)-$(PKG_VERSION)/include/*.h \
 		$(1)/usr/include/
 endef
 

libs/libffi/patches/001-fix-includedir-pkg.patch

@@ -1,36 +0,0 @@
---- a/libffi.pc.in
-+++ b/libffi.pc.in
-@@ -1,10 +1,10 @@
- prefix=@prefix@
- exec_prefix=@exec_prefix@
- libdir=@libdir@
--includedir=${libdir}/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
-+includedir=@includedir@
- 
- Name: @PACKAGE_NAME@
- Description: Library supporting Foreign Function Interfaces
- Version: @PACKAGE_VERSION@
--Libs: -L${libdir} -lffi
--Cflags: -I${includedir}
-+Libs: -lffi
-+Cflags:
---- a/include/Makefile.am
-+++ b/include/Makefile.am
-@@ -5,5 +5,5 @@ AUTOMAKE_OPTIONS=foreign
- DISTCLEANFILES=ffitarget.h
- EXTRA_DIST=ffi.h.in ffi_common.h
- 
--includesdir = $(libdir)/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
-+includesdir = $(includedir)
- nodist_includes_HEADERS = ffi.h ffitarget.h
---- a/include/Makefile.in
-+++ b/include/Makefile.in
-@@ -250,7 +250,7 @@ top_srcdir = @top_srcdir@
- AUTOMAKE_OPTIONS = foreign
- DISTCLEANFILES = ffitarget.h
- EXTRA_DIST = ffi.h.in ffi_common.h
--includesdir = $(libdir)/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
-+includesdir = $(includedir)
- nodist_includes_HEADERS = ffi.h ffitarget.h
- all: all-am
-