[foilnotes] Load libcrypto.so dynamically

Either libcrypto.so.1.1 or libcrypto.so.10 whatever is available.
Doesn't apply to aarch64 because there was never such a thing as
64-bit release of Sailfish OS with libcrypto.so.10

app.pro

@@ -15,15 +15,6 @@ QT += qml quick sql
 QMAKE_CXXFLAGS += -Wno-unused-parameter
 QMAKE_CFLAGS += -Wno-unused-parameter
 
-system("pkg-config openssl --atleast-version=1.1") {
-    message("Linking OpenSSL dynamically")
-    PKGCONFIG += libcrypto
-} else {
-    message("Linking OpenSSL statically")
-    LIBS += $$[QT_INSTALL_LIBS]/libcrypto.a
-    PKGCONFIG += zlib
-}
-
 app_settings {
     # This path is hardcoded in jolla-settings
     TRANSLATIONS_PATH = /usr/share/translations
@@ -35,6 +26,11 @@ CONFIG(debug, debug|release) {
     DEFINES += DEBUG HARBOUR_DEBUG
 }
 
+equals(QT_ARCH, arm64){
+    message(Linking with OpenSSL)
+    PKGCONFIG += libcrypto
+}
+
 # Directories
 FOIL_UI_REL = foil-ui
 FOIL_UI_DIR = $${_PRO_FILE_PWD_}/$${FOIL_UI_REL}
@@ -186,6 +182,13 @@ qml_components.files = $${HARBOUR_QML_COMPONENTS}
 qml_components.path = /usr/share/$${TARGET}/qml/harbour
 INSTALLS += qml_components
 
+# openssl
+
+!equals(QT_ARCH, arm64){
+SOURCES += \
+    $${HARBOUR_LIB_SRC}/libcrypto.c
+}
+
 # Icons
 ICON_SIZES = 86 108 128 172 256
 for(s, ICON_SIZES) {

rpm/harbour-foilnotes.spec

@@ -8,8 +8,6 @@ Source0:        %{name}-%{version}.tar.gz
 
 Requires:       sailfishsilica-qt5
 Requires:       qt5-qtsvg-plugin-imageformat-svg
-BuildRequires:  openssl-static
-BuildRequires:  pkgconfig(zlib)
 BuildRequires:  pkgconfig(glib-2.0)
 BuildRequires:  pkgconfig(libcrypto)
 BuildRequires:  pkgconfig(sailfishapp)