depends: switch to secure download of all dependencies

Some dependency sources were downloaded via http, even though https (SSL/TLS) options are available.
Even if we potentially check the integrity of the downloaded files via hash comparison, we should make
use of this additional security layer.

bdb.mk
fontconfig.mk
freetype.mk
libX11.mk
libXau.mk
libXext.mk
libxcb.mk
native_cctools.mk
native_cdrkit.mk
xcb_proto.mk
xextproto.mk
xproto.mk
xtrans.mk
zlib.mk

miniupnp was switched to official project mirror with SSL support

Author: Kemu

depends/packages.md

@@ -14,8 +14,9 @@ Each package is required to define at least these variables:
     placeholder such as 1.0 can be used.
 
     $(package)_download_path:
-    Location of the upstream source, without the file-name. Usually http or
-    ftp.
+    Location of the upstream source, without the file-name. Usually http, https
+    or ftp. Secure transmission options like https should be preferred if
+    available.
 
     $(package)_file_name:
     The upstream source filename available at the download path.

depends/packages/bdb.mk

@@ -1,6 +1,6 @@
 package=bdb
 $(package)_version=4.8.30
-$(package)_download_path=http://download.oracle.com/berkeley-db
+$(package)_download_path=https://download.oracle.com/berkeley-db
 $(package)_file_name=db-$($(package)_version).NC.tar.gz
 $(package)_sha256_hash=12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef
 $(package)_build_subdir=build_unix

depends/packages/fontconfig.mk

@@ -1,6 +1,6 @@
 package=fontconfig
 $(package)_version=2.12.1
-$(package)_download_path=http://www.freedesktop.org/software/fontconfig/release/
+$(package)_download_path=https://www.freedesktop.org/software/fontconfig/release/
 $(package)_file_name=$(package)-$($(package)_version).tar.bz2
 $(package)_sha256_hash=b449a3e10c47e1d1c7a6ec6e2016cca73d3bd68fbbd4f0ae5cc6b573f7d6c7f3
 $(package)_dependencies=freetype expat

depends/packages/freetype.mk

@@ -1,6 +1,6 @@
 package=freetype
 $(package)_version=2.7.1
-$(package)_download_path=http://download.savannah.gnu.org/releases/$(package)
+$(package)_download_path=https://download.savannah.gnu.org/releases/$(package)
 $(package)_file_name=$(package)-$($(package)_version).tar.bz2
 $(package)_sha256_hash=3a3bb2c4e15ffb433f2032f50a5b5a92558206822e22bfe8cbe339af4aa82f88
 

depends/packages/libX11.mk

@@ -1,6 +1,6 @@
 package=libX11
 $(package)_version=1.6.2
-$(package)_download_path=http://xorg.freedesktop.org/releases/individual/lib/
+$(package)_download_path=https://xorg.freedesktop.org/releases/individual/lib/
 $(package)_file_name=$(package)-$($(package)_version).tar.bz2
 $(package)_sha256_hash=2aa027e837231d2eeea90f3a4afe19948a6eb4c8b2bec0241eba7dbc8106bd16
 $(package)_dependencies=libxcb xtrans xextproto xproto

depends/packages/libXau.mk

@@ -1,6 +1,6 @@
 package=libXau
 $(package)_version=1.0.8
-$(package)_download_path=http://xorg.freedesktop.org/releases/individual/lib/
+$(package)_download_path=https://xorg.freedesktop.org/releases/individual/lib/
 $(package)_file_name=$(package)-$($(package)_version).tar.bz2
 $(package)_sha256_hash=fdd477320aeb5cdd67272838722d6b7d544887dfe7de46e1e7cc0c27c2bea4f2
 $(package)_dependencies=xproto

depends/packages/libXext.mk

@@ -1,6 +1,6 @@
 package=libXext
 $(package)_version=1.3.2
-$(package)_download_path=http://xorg.freedesktop.org/releases/individual/lib/
+$(package)_download_path=https://xorg.freedesktop.org/releases/individual/lib/
 $(package)_file_name=$(package)-$($(package)_version).tar.bz2
 $(package)_sha256_hash=f829075bc646cdc085fa25d98d5885d83b1759ceb355933127c257e8e50432e0
 $(package)_dependencies=xproto xextproto libX11 libXau

depends/packages/libxcb.mk

@@ -1,6 +1,6 @@
 package=libxcb
 $(package)_version=1.10
-$(package)_download_path=http://xcb.freedesktop.org/dist
+$(package)_download_path=https://xcb.freedesktop.org/dist
 $(package)_file_name=$(package)-$($(package)_version).tar.bz2
 $(package)_sha256_hash=98d9ab05b636dd088603b64229dd1ab2d2cc02ab807892e107d674f9c3f2d5b5
 $(package)_dependencies=xcb_proto libXau xproto

depends/packages/miniupnpc.mk

@@ -1,6 +1,6 @@
 package=miniupnpc
 $(package)_version=2.0.20180203
-$(package)_download_path=http://miniupnp.free.fr/files
+$(package)_download_path=https://miniupnp.tuxfamily.org/files/
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
 $(package)_sha256_hash=90dda8c7563ca6cd4a83e23b3c66dbbea89603a1675bfdb852897c2c9cc220b7
 

depends/packages/native_cctools.mk

@@ -5,7 +5,7 @@ $(package)_file_name=$($(package)_version).tar.gz
 $(package)_sha256_hash=a09c9ba4684670a0375e42d9d67e7f12c1f62581a27f28f7c825d6d7032ccc6a
 $(package)_build_subdir=cctools
 $(package)_clang_version=3.7.1
-$(package)_clang_download_path=http://llvm.org/releases/$($(package)_clang_version)
+$(package)_clang_download_path=https://llvm.org/releases/$($(package)_clang_version)
 $(package)_clang_download_file=clang+llvm-$($(package)_clang_version)-x86_64-linux-gnu-ubuntu-14.04.tar.xz
 $(package)_clang_file_name=clang-llvm-$($(package)_clang_version)-x86_64-linux-gnu-ubuntu-14.04.tar.xz
 $(package)_clang_sha256_hash=99b28a6b48e793705228a390471991386daa33a9717cd9ca007fcdde69608fd9