Remove host paths from qmake
The host paths are not useful on the target and may cause security concerns.

Instead set them to extprefix or just plain "/" to at least remove host paths.

Upstream-Status: Inappropriate [embedded specific]
Signed-off-by: James Minor <james.minor@ni.com>
--- a/configure.pri
+++ b/configure.pri
@@ -854,7 +854,7 @@ defineTest(qtConfOutput_preparePaths) {
     export(config.qtbase.features.shared.available)
 
     hostbindir_absolute_path = $$absolute_path($$config.rel_input.hostbindir, $$config.input.hostprefix)
-    config.input.hostbindir_to_hostprefix = $$relative_path($$config.input.hostprefix, $$hostbindir_absolute_path)
+    config.input.hostbindir_to_hostprefix = $$relative_path($$config.input.extprefix, $$hostbindir_absolute_path)
     config.input.hostbindir_to_extprefix = $$relative_path($$config.input.extprefix, $$hostbindir_absolute_path)
 
     !isEmpty(PREFIX_COMPLAINTS) {
@@ -889,11 +889,11 @@ defineTest(qtConfOutput_preparePaths) {
     QT_CONFIGURE_STR_OFFSETS =
     QT_CONFIGURE_STRS =
 
-    addConfStr($$config.input.sysroot)
+    addConfStr("/")
     addConfStr($$qmake_sysrootify)
-    addConfStr($$config.rel_input.hostbindir)
-    addConfStr($$config.rel_input.hostlibdir)
-    addConfStr($$config.rel_input.hostdatadir)
+    addConfStr($$config.rel_input.bindir)
+    addConfStr($$config.rel_input.libdir)
+    addConfStr($$config.rel_input.datadir)
     addConfStr($$XSPEC)
     addConfStr($$[QMAKE_SPEC])
 
@@ -902,7 +902,7 @@ defineTest(qtConfOutput_preparePaths) {
         "static const char qt_configure_prefix_path_str  [12+512] = \"qt_prfxpath=$$config.input.prefix\";" \
         "$${LITERAL_HASH}ifdef QT_BUILD_QMAKE" \
         "static const char qt_configure_ext_prefix_path_str   [12+512] = \"qt_epfxpath=$$config.input.extprefix\";" \
-        "static const char qt_configure_host_prefix_path_str  [12+512] = \"qt_hpfxpath=$$config.input.hostprefix\";" \
+        "static const char qt_configure_host_prefix_path_str  [12+512] = \"qt_hpfxpath=$$config.input.extprefix\";" \
         "$${LITERAL_HASH}endif" \
         "" \
         "static const short qt_configure_str_offsets[] = {" \