diff --git a/docs/index.html b/docs/index.html
index d2f3f18a..c473a573 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -97,7 +97,7 @@
         and is <a href="#used-by">used by several projects</a>
     </li>
     <li>
-        has <a href="http://pkg.mxe.cc/">pre-compiled binaries</a>
+        has <a href="https://pkg.mxe.cc/">pre-compiled binaries</a>
         that <a href="https://github.com/zer0main/battleship">can be used
         in Continuous Integration systems</a>
     </li>
@@ -342,7 +342,7 @@ exit</pre>
     Instead of building MXE packages from source, you can
     download precompiled packages. There are two options:
     tar archives and Debian packages.
-    See <a href="http://pkg.mxe.cc/">pkg.mxe.cc</a>.
+    See <a href="https://pkg.mxe.cc/">pkg.mxe.cc</a>.
     </p>
 
     <h3 id="tutorial-4">Step 4: Environment Variables</h3>
@@ -753,7 +753,7 @@ USE_OSGPLUGIN(&lt;plugin2&gt;)
 
     <p>
     You can install a precompiled MXE via Debian packages.
-    See <a href="http://pkg.mxe.cc/">pkg.mxe.cc</a>.
+    See <a href="https://pkg.mxe.cc/">pkg.mxe.cc</a>.
     </p>
 
     <h3 id="requirements-fedora">Fedora/Red Hat/Centos</h3>
@@ -2939,7 +2939,7 @@ endef</pre>
         <a href="https://github.com/mxe/mxe">Project on GitHub</a>
     </li>
     <li>
-        <a href="http://pkg.mxe.cc/">Binary distribution of packages</a>
+        <a href="https://pkg.mxe.cc/">Binary distribution of packages</a>
     </li>
     <li>
         <a href="https://www.openhub.net/p/mxe">Entry on Open Hub</a>
@@ -3013,7 +3013,7 @@ endef</pre>
         Win32 ports of many free software packages
     </li>
     <li>
-        <a href="http://www.sandroid.org/imcross/">IMCROSS</a>
+        <a href="https://www.sandroid.org/imcross/">IMCROSS</a>
         <br>
         Another project with similar goal
     </li>
diff --git a/plugins/examples/host-toolchain/README.md b/plugins/examples/host-toolchain/README.md
index 84ebc6e5..9b7b9983 100644
--- a/plugins/examples/host-toolchain/README.md
+++ b/plugins/examples/host-toolchain/README.md
@@ -85,7 +85,7 @@ running a Linux VM on Windows).
 
 
 [cmake-generators]:https://cmake.org/cmake/help/latest/manual/cmake-generators.7.html
-[cmder]:http://cmder.net/
+[cmder]:https://cmder.net/
 [conemu]:https://conemu.github.io/
 [git-win]:https://git-for-windows.github.io/
 [msys2]:https://msys2.github.io/
diff --git a/plugins/go/README.md b/plugins/go/README.md
index 6d3c7ddd..10c3001e 100644
--- a/plugins/go/README.md
+++ b/plugins/go/README.md
@@ -3,7 +3,7 @@
 See also article [cross-compile go code, including cgo][1]
 by Dimitri John Ledkov.
 
-[1]: http://blog.surgut.co.uk/2014/06/cross-compile-go-code-including-cgo.html
+[1]: https://blog.surgut.co.uk/2014/06/cross-compile-go-code-including-cgo.html
 
 Package `go-native` installs native Go 1.4. This version of Go
 doesn't depend on Go installation.
diff --git a/plugins/luarocks/luarocks.mk b/plugins/luarocks/luarocks.mk
index a7563178..2821f524 100644
--- a/plugins/luarocks/luarocks.mk
+++ b/plugins/luarocks/luarocks.mk
@@ -93,7 +93,7 @@ define $(PKG)_BUILD_SHARED
      echo 'echo "== Using MXE wrapper: $(PREFIX)/$(TARGET)/bin/luarocks"'; \
      echo '# Creating a directory is an atomic operation, that is why'; \
      echo '# it can be used as a mutex.'; \
-     echo '# See http://wiki.bash-hackers.org/howto/mutex'; \
+     echo '# See https://wiki.bash-hackers.org/howto/mutex'; \
      echo 'while ( ! mkdir "$(PREFIX)/$(TARGET)/lib/luarocks/lock.dir" ); do'; \
      echo '    echo "Waiting for $(PREFIX)/$(TARGET)/lib/luarocks/lock.dir to lock"'; \
      echo '    sleep 5'; \
diff --git a/src/exiv2.mk b/src/exiv2.mk
index e3341337..2b7ba36f 100644
--- a/src/exiv2.mk
+++ b/src/exiv2.mk
@@ -1,18 +1,18 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := exiv2
-$(PKG)_WEBSITE  := http://www.exiv2.org/
+$(PKG)_WEBSITE  := https://www.exiv2.org/
 $(PKG)_DESCR    := Exiv2
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 0.25
 $(PKG)_CHECKSUM := c80bfc778a15fdb06f71265db2c3d49d8493c382e516cb99b8c9f9cbde36efa4
 $(PKG)_SUBDIR   := exiv2-$($(PKG)_VERSION)
 $(PKG)_FILE     := exiv2-$($(PKG)_VERSION).tar.gz
-$(PKG)_URL      := http://www.exiv2.org/releases/$($(PKG)_FILE)
+$(PKG)_URL      := https://www.exiv2.org/releases/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc expat gettext mman-win32 zlib
 
 define $(PKG)_UPDATE
-    $(WGET) -q -O- 'http://www.exiv2.org/download.html' | \
+    $(WGET) -q -O- 'https://www.exiv2.org/download.html' | \
     grep 'href="exiv2-' | \
     $(SED) -n 's,.*exiv2-\([0-9][^>]*\)\.tar.*,\1,p' | \
     head -1
diff --git a/src/isl.mk b/src/isl.mk
index 022e26b0..072618f8 100644
--- a/src/isl.mk
+++ b/src/isl.mk
@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := isl
-$(PKG)_WEBSITE  := http://isl.gforge.inria.fr/
+$(PKG)_WEBSITE  := https://isl.gforge.inria.fr/
 $(PKG)_DESCR    := Integer Set Library
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 0.15
diff --git a/src/libf2c.mk b/src/libf2c.mk
index 0acad5a4..6edf5c56 100644
--- a/src/libf2c.mk
+++ b/src/libf2c.mk
@@ -1,13 +1,13 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := libf2c
-$(PKG)_WEBSITE  := http://www.netlib.org/f2c/
+$(PKG)_WEBSITE  := https://www.netlib.org/f2c/
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 1
 $(PKG)_CHECKSUM := ca404070e9ce0a9aaa6a71fc7d5489d014ade952c5d6de7efb88de8e24f2e8e0
 $(PKG)_SUBDIR   :=
 $(PKG)_FILE     := $(PKG).zip
-$(PKG)_URL      := http://www.netlib.org/f2c/$($(PKG)_FILE)
+$(PKG)_URL      := https://www.netlib.org/f2c/$($(PKG)_FILE)
 # $(PKG)_URL_2 was disabled in https://github.com/mxe/mxe/issues/1719
 # because it has old version of the file.
 # $(PKG)_URL_2    := https://netlib.sandia.gov/f2c/$($(PKG)_FILE)
diff --git a/src/libgda.mk b/src/libgda.mk
index 0f5c164b..664396ec 100644
--- a/src/libgda.mk
+++ b/src/libgda.mk
@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := libgda
-$(PKG)_WEBSITE  := http://www.gnome-db.org/
+$(PKG)_WEBSITE  := https://www.gnome-db.org/
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 4.2.13
 $(PKG)_CHECKSUM := 25b75951f8f38fd58a403389566a0aae2f83b39d4225bc3acf5f2d68895ab4c3
diff --git a/src/muparser.mk b/src/muparser.mk
index 169c4ba9..c94d8712 100644
--- a/src/muparser.mk
+++ b/src/muparser.mk
@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := muparser
-$(PKG)_WEBSITE  := http://beltoforion.de/article.php?a=muparser
+$(PKG)_WEBSITE  := https://beltoforion.de/article.php?a=muparser
 $(PKG)_DESCR    := muParser
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 2.2.5
diff --git a/src/muparserx.mk b/src/muparserx.mk
index 3506e544..529e7b05 100644
--- a/src/muparserx.mk
+++ b/src/muparserx.mk
@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := muparserx
-$(PKG)_WEBSITE  := http://beltoforion.de/article.php?a=muparserx
+$(PKG)_WEBSITE  := https://beltoforion.de/article.php?a=muparserx
 $(PKG)_DESCR    := muParserX
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 4.0.7
diff --git a/tools/build-pkg.lua b/tools/build-pkg.lua
index cc0e46b0..ed1b15af 100755
--- a/tools/build-pkg.lua
+++ b/tools/build-pkg.lua
@@ -4,7 +4,7 @@
 This file is part of MXE. See LICENSE.md for licensing information.
 
 build-pkg, Build binary packages from MXE packages
-Instructions: http://pkg.mxe.cc
+Instructions: https://pkg.mxe.cc/
 
 Requirements (see bootstrapped build below for non-debian systems):
     MXE (https://mxe.cc/#requirements-debian)
diff --git a/tools/make-shared-from-static b/tools/make-shared-from-static
index df18ead8..90926dff 100755
--- a/tools/make-shared-from-static
+++ b/tools/make-shared-from-static
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Taken from:
-# http://hg.octave.org/mxe-octave/file/tip/tools/make-shared-from-static
+# https://hg.octave.org/mxe-octave/file/tip/tools/make-shared-from-static
 
 set -e
 
diff --git a/tools/mxe-get b/tools/mxe-get
index 6f5a764f..b9feec3a 100755
--- a/tools/mxe-get
+++ b/tools/mxe-get
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Copyright 2017 Viktor Szakats <https://vszakats.net/>
+# Copyright 2017-2019 Viktor Szakats <https://vszakats.net/>
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 set -ue
@@ -27,12 +27,12 @@ Author: Viktor Szakats <https://vszakats.net/>"
 }
 
 mxe_curl() {
-  curl -fsS --connect-timeout 15 --retry 3 "$@"
+  curl -fsS --connect-timeout 15 -m 20 --retry 3 "$@"
 }
 
 mxe_get_pkg() {
 
-  if [[ "$1" =~ ^(mxe-(i686|x86\-64)-(w64|unknown)-(mingw32|linux-gnu)(\.shared|\.static)?)-(.*)$ ]]; then
+  if [[ "$1" =~ ^(mxe-(i686|x86-64)-(w64|unknown)-(mingw32|linux-gnu)(.shared|.static)?)-(.*)$ ]]; then
 
     repo="${BASH_REMATCH[1]}"  # mxe-x86-64-w64-mingw32.shared
     plat="${BASH_REMATCH[4]}"  # mingw32 | linux-gnu
@@ -81,7 +81,7 @@ mxe_get_pkg() {
             rm -f pack.bin
 
             for i in ${deps//,/}; do
-              mxe_get_pkg "$i"  # recurse
+              mxe_get_pkg "${i}"  # recurse
             done
           else
             echo "! Error: Download failed."
@@ -108,18 +108,21 @@ mkdir -p "${MXE_HOME}"
 (
   cd "${MXE_HOME}" || exit
 
-  base='http://pkg.mxe.cc/repos/apt/debian'  # APT root
+  base='https://pkg.mxe.cc/repos/apt/debian'  # APT root
   suid='D43A795B73B16ABE9643FE1AFD8FFF16DB45C6AB'  # Signer UID
 
-  alias gpg='gpg --batch --keyserver-options timeout=15 --keyid-format LONG'
+  alias gpg='gpg --batch --keyid-format LONG'
 
   echo "! Downloading and verifying MXE package list..."
   mxe_curl \
     -O "${base}/dists/wheezy/Release.gpg" \
     -O "${base}/dists/wheezy/Release"
-  mxe_curl \
-    "https://keyserver.ubuntu.com/pks/lookup?search=0x${suid}&op=get" \
-  | gpg --import --status-fd 1
+  (
+    set -x
+    mxe_curl \
+      "https://keyserver.ubuntu.com/pks/lookup?search=0x${suid}&op=get" \
+    | gpg --import --status-fd 1
+  )
   gpg --verify-options show-primary-uid-only --verify Release.gpg Release || exit 1
   mxe_curl \
     -O "${base}/dists/wheezy/main/binary-amd64/Packages.gz"
@@ -151,6 +154,9 @@ mkdir -p "${MXE_HOME}"
       -name '*.la' -o \
       -name '*.pc' -o \
       -name '*.cmake' -o \
+      -name '*.prf' -o \
+      -name '*.pri' -o \
+      -name '*.prl' -o \
       -name '*-config' | while IFS= read -r f; do
 
       sed "s|${ori}|${pwd}|" \