MSYS: use cp -f for QMAKE_INSTALL_*

... in mingw-using specs because msysgit
doesn't provide install.exe and Windows
doesn't care about Unix permissions anyway.

Task-number: QTBUG-31147

Change-Id: Ic8032ca1a970ef41381852b6c5c372b805a124f1
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>

mkspecs/android-g++/qmake.conf

@@ -27,6 +27,10 @@ contains(QMAKE_HOST.os,Windows) {
     } else {
         MINGW_IN_SHELL = 1
         QMAKE_DIR_SEP = /
+        # Because install's ability to set permissions is not relevant on Windows,
+        # and git's msys does not provide it to start with.
+        QMAKE_INSTALL_FILE = cp -f
+        QMAKE_INSTALL_PROGRAM = cp -f
     }
 }
 

mkspecs/win32-g++/qmake.conf

@@ -94,6 +94,10 @@ QMAKE_LIBS_QT_ENTRY     = -lmingw32 -lqtmain
     MINGW_IN_SHELL      = 1
     QMAKE_DIR_SEP       = /
     include(../common/shell-unix.conf)
+    # Because install's ability to set permissions is not relevant on Windows,
+    # and git's msys does not provide it to start with.
+    QMAKE_INSTALL_FILE    = cp -f
+    QMAKE_INSTALL_PROGRAM = cp -f
 } else {
     include(../common/shell-win32.conf)
 }