diff --git a/GNUmakefile b/GNUmakefile
index 63310202..2e2bee24 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -824,7 +824,19 @@ fetchdeps:
 	@test -f deps/prettier/html.mjs || curl -q --create-dirs -O --output-dir deps/prettier/ https://cdn.jsdelivr.net/npm/prettier@3.2.5/plugins/html.mjs
 	@test -f deps/prettier/babel.mjs || curl -q --create-dirs -O --output-dir deps/prettier/ https://cdn.jsdelivr.net/npm/prettier@3.2.5/plugins/babel.mjs
 	@test -f deps/prettier/estree.mjs || curl -q --create-dirs -O --output-dir deps/prettier/ https://cdn.jsdelivr.net/npm/prettier@3.2.5/plugins/estree.mjs
-.PHONE: fetchdeps
+.PHONY: fetchdeps
+
+ANDROID_DEPS := deps/openssl/android/arm64-v8a/usr/local/lib/libssl.a
+$(ANDROID_DEPS):
+	+@tools/ssl-android
+$(filter $(BUILD_DIR)/android%,$(APP_OBJS)): | $(ANDROID_DEPS)
+
+ifeq ($(HAVE_WIN),1)
+WINDOWS_DEPS := deps/openssl/mingw64/usr/local/lib/libssl.a
+$(WINDOWS_DEPS):
+	+@tools/ssl-mingw64
+$(filter $(BUILD_DIR)/win%,$(APP_OBJS)): | $(WINDOWS_DEPS)
+endif
 
 clean:
 	rm -rf $(BUILD_DIR)
diff --git a/tools/ssl-android b/tools/ssl-android
index 1ee4a80e..9894e86a 100755
--- a/tools/ssl-android
+++ b/tools/ssl-android
@@ -13,9 +13,9 @@ BUILD_TARGETS="x86_64 x86 arm64-v8a armeabi-v7a"
 
 rm -rf out/openssl-${OPENSSL_VERSION}
 
-if [ ! -d openssl-${OPENSSL_VERSION} ]
+if [ ! -d out/openssl-${OPENSSL_VERSION} ]
 then
-    if [ ! -f openssl-${OPENSSL_VERSION}.tar.gz ]
+    if [ ! -f out/openssl-${OPENSSL_VERSION}.tar.gz ]
     then
         wget https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz -O out/openssl-${OPENSSL_VERSION}.tar.gz | exit 128
     fi
@@ -131,7 +131,7 @@ do
 #### copy libraries and includes to output-directory #####
     echo WORK_DIR=$WORK_DIR
     rm -rf deps/openssl/android/$build_target/
-    mkdir -p deps/openssl/android/$build_target/usr/local/include
+    mkdir -p deps/openssl/android/$build_target/usr/local/include/
     mkdir -p deps/openssl/android/$build_target/usr/local/lib/
     cp -R $WORK_DIR/include/* deps/openssl/android/$build_target/usr/local/include/
     cp $WORK_DIR/*.a deps/openssl/android/$build_target/usr/local/lib/
diff --git a/tools/ssl-mingw64 b/tools/ssl-mingw64
index 70d94cea..e95c34f4 100755
--- a/tools/ssl-mingw64
+++ b/tools/ssl-mingw64
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 OPENSSL_VERSION=3.2.1
 
@@ -8,17 +8,17 @@ BUILD_DIR=out/openssl_mingw64_build
 
 BUILD_TARGETS="mingw64"
 
-rm -rfv openssl-${OPENSSL_VERSION}
+rm -rfv out/openssl-${OPENSSL_VERSION}
 
-if [ ! -d openssl-${OPENSSL_VERSION} ]
+if [ ! -d out/openssl-${OPENSSL_VERSION} ]
 then
-    if [ ! -f openssl-${OPENSSL_VERSION}.tar.gz ]
+    if [ ! -f out/openssl-${OPENSSL_VERSION}.tar.gz ]
     then
-        wget https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz || exit 128
+        wget https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz -O out/openssl-${OPENSSL_VERSION}.tar.gz || exit 128
     fi
-    tar xzf openssl-${OPENSSL_VERSION}.tar.gz || exit 128
+    tar -C out/ -xzf out/openssl-${OPENSSL_VERSION}.tar.gz || exit 128
 fi
-WORK_DIR=openssl-${OPENSSL_VERSION}
+WORK_DIR=out/openssl-${OPENSSL_VERSION}
 
 ##### build-function #####
 build_the_thing() {
@@ -34,7 +34,7 @@ build_the_thing() {
 for build_target in $BUILD_TARGETS
 do
     echo "Building $build_target"
-    cd $WORK_DIR || exit 128
+    pushd $WORK_DIR || exit 128
 
     case $build_target in
     mingw64)
@@ -46,11 +46,11 @@ do
 
     rm -rf $DESTDIR
     build_the_thing
-    cd ..
+    popd
 #### copy libraries and includes to output-directory #####
     echo WORK_DIR=$WORK_DIR
     rm -rf deps/openssl/$build_target/
-    mkdir -p deps/openssl/$build_target/usr/local/include
+    mkdir -p deps/openssl/$build_target/usr/local/include/
     mkdir -p deps/openssl/$build_target/usr/local/lib/
     cp -R $WORK_DIR/include/* deps/openssl/$build_target/usr/local/include/
     cp $WORK_DIR/*.a deps/openssl/$build_target/usr/local/lib/