make it possible to put removals into modules' .CONFIG and .DEFINES

the respective flags/defines need to be prefixed with a minus sign.

Change-Id: I8a3a46254f90d4ecdbd692a0eca635038691d078
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

diff --git a/mkspecs/features/qt_functions.prf b/mkspecs/features/qt_functions.prf
index ce32028..e4d3b03 100644 (file)
--- a/mkspecs/features/qt_functions.prf
+++ b/mkspecs/features/qt_functions.prf
@@ -35,6 +35,17 @@ defineTest(qtAddLibrary) {
     error("No module matching library '$$1' found.")
 }
 
+# target variable, flag source variable
+defineTest(qtProcessModuleFlags) {
+    for(flag, $$2) {
+        contains(flag, ^-.*): \
+            $$1 -= $$replace(flag, ^-, )
+        else: \
+            $$1 += $$flag
+    }
+    export($$1)
+}
+
 # qt module, UsePrivate flag, libs variable
 defineTest(qtAddModule) {
     MODULE_NAME = $$eval(QT.$${1}.name)
@@ -43,8 +54,8 @@ defineTest(qtAddModule) {
     MODULE_CONFIG = $$eval(QT.$${1}.module_config)
     MODULE_MAJOR_VERSION = $$eval(QT.$${1}.MAJOR_VERSION)
 
-    CONFIG += $$eval(QT.$${1}.CONFIG)
-    DEFINES += $$eval(QT.$${1}.DEFINES)
+    qtProcessModuleFlags(CONFIG, QT.$${1}.CONFIG)
+    qtProcessModuleFlags(DEFINES, QT.$${1}.DEFINES)
 
     MODULE_INCLUDES -= $$QMAKE_DEFAULT_INCDIRS
     MODULE_LIBS -= $$QMAKE_DEFAULT_LIBDIRS
@@ -113,8 +124,6 @@ defineTest(qtAddModule) {
         }
         $$3 += $$LINKAGE
     }
-    export(CONFIG)
-    export(DEFINES)
     export($$3)
     export(INCLUDEPATH)
     export(QMAKE_FRAMEWORKPATH)