LIBS        += -L$$PWD/oci/lib/msvc
INCLUDEPATH += $$PWD/oci/include

VARS = $$enumerate_vars()
# Убрать переменные, которые начинаются на QT.
QT_INTERNAL_VARS = $$find(VARS, QT\\.)
VARS -= $$QT_INTERNAL_VARS

# Убрать переменные, которые начинаются на .QMAKE
QT_INTERNAL_VARS = $$find(VARS, \\.QMAKE)
VARS -= $$QT_INTERNAL_VARS

# Убрать QMAKE_INTERNAL_INCLUDED_FILES, т.к. в ней много гуталина
VARS -= QMAKE_INTERNAL_INCLUDED_FILES
VARS -= QMAKE_INTERNAL_INCLUDED_FEATURES
#-------------------------------------------------
# небольшая сортировка
SORT_STR=. _ 0 1 2 3 4 5 6 7 8 9 \
             A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \
             a b c d e f g h i j k l m n o p q r s t u v w x y z

defineReplace(sort) {
    _VARS = $$1
    _BEGIN = $$2
    for(_CHAR, SORT_STR) {
      _FIND_VARS = $$find(_VARS, ^$${_BEGIN}[$${_CHAR}])
      _VARS -= $$_FIND_VARS
      _VARS += $$_FIND_VARS
    }
    unset(_CHAR)
    unset(_BEGIN)
    unset(_FIND_VARS)
    return($$_VARS)
}

VARS = $$sort($$VARS)
VARS = $$sort($$VARS, QT)
VARS = $$sort($$VARS, QT_)
VARS = $$sort($$VARS, QMAKE)
VARS = $$sort($$VARS, QMAKE_)
#-------------------------------------------------
# Вывод в лог
for(var, VARS) {
  eval(val=\$\$$${var})
  message($$var=$$val)
}

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# Сортировка
SORT_STR= . _ 0 1 2 3 4 5 6 7 8 9 \
             A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \
             a b c d e f g h i j k l m n o p q r s t u v w x y z

defineReplace(sort) {
    _VARS = $$1 # Второй аргумент выступает в качестве префикса
    for(_CHAR, SORT_STR) {
      _FIND_VARS = $$find(_VARS, ^$${2}[$${_CHAR}])
      _VARS -= $$_FIND_VARS
      _VARS += $$_FIND_VARS
    }
    return($$_VARS)
}# Использование
VAR = aaa Aaa abc Abs 1b a1 a2 1a 2b 2a
VAR = $$sort($$VAR)
#-- Результат
#     1a 1b 2a 2b Aaa Abs aaa abc a1 a2 xxx zzz
message($$VAR)