From e9ba9609f1c3797baf8a54ba7213b56dcbe7e1ec Mon Sep 17 00:00:00 2001
From: Lars Knoll <lars.knoll@qt.io>
Date: Thu, 23 Jun 2016 12:37:05 +0200
Subject: Determine the set of modules to skip in qmake

Change-Id: I421f50e5944962eae41700180ee49a916a2a023d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
---
 configure      | 14 --------------
 configure.json |  7 ++++++-
 configure.pri  | 21 +++++++++++++++++++++
 3 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/configure b/configure
index 70b1b44130..15b3f6947e 100755
--- a/configure
+++ b/configure
@@ -483,7 +483,6 @@ QT_ALL_BUILD_PARTS=" libs tools examples tests "
 QT_DEFAULT_BUILD_PARTS="libs tools examples"
 CFG_BUILD_PARTS=""
 CFG_NOBUILD_PARTS=""
-CFG_SKIP_MODULES=""
 CFG_ANDROID_STYLE_ASSETS=yes
 
 XPLATFORM=              # This seems to be the QMAKESPEC, like "linux-g++"
@@ -742,14 +741,6 @@ while [ "$#" -gt 0 ]; do
             CFG_BUILD_PARTS="$CFG_BUILD_PARTS $VAL"
         fi
         ;;
-    skip)
-        VAL=qt${VAL#qt}
-        if ! [ -d $relpath/../$VAL ]; then
-            echo "Attempting to skip non-existent module $VAL." >&2
-            exit 1
-        fi
-        CFG_SKIP_MODULES="$CFG_SKIP_MODULES $VAL"
-        ;;
     sdk)
         if [ "$BUILD_ON_MAC" = "yes" ]; then
             DeviceVar set !host_build:QMAKE_MAC_SDK "$VAL"
@@ -1369,10 +1360,6 @@ fi
 
 if [ "$XPLATFORM_IOS" = "yes" ] || [ "$XPLATFORM_TVOS" = "yes" ]; then
     CFG_NOBUILD_PARTS="$CFG_NOBUILD_PARTS examples"
-    CFG_SKIP_MODULES="$CFG_SKIP_MODULES qtdoc qtmacextras qtserialport qtwebkit qtwebkit-examples"
-    if [ "$XPLATFORM_TVOS" = "yes" ]; then
-        CFG_SKIP_MODULES="$CFG_SKIP_MODULES qtscript"
-    fi
 fi
 
 
@@ -1969,7 +1956,6 @@ cat > "$outpath/config.tests/configure.cfg" <<EOF
 # Feature defaults set by configure command line
 config.input.qt_build_parts = $CFG_BUILD_PARTS
 config.input.extra_features = $CFG_FEATURES
-config.input.skip_modules = $CFG_SKIP_MODULES
 config.input.qt_edition = $Edition
 config.input.qt_licheck = $Licheck
 config.input.qt_release_date = $ReleaseDate
diff --git a/configure.json b/configure.json
index a996e539d8..c2f1fd1623 100644
--- a/configure.json
+++ b/configure.json
@@ -273,6 +273,11 @@
             "test": "unix/bsymbolic_functions.test",
             "args": "$$QMAKE_CXX yes"
         },
+        "skip_modules": {
+            "description": "modules to skip",
+            "type": "skipModules",
+            "log": "value"
+        },
         "dlopen": {
             "description": "dlopen() in libc",
             "type": "compile",
@@ -1775,7 +1780,7 @@
             "output": [ { "type": "varAppend", "name": "QT_HOST_CFLAGS_DBUS", "value": "tests.host-dbus.cflags" } ]
         },
         "skip_modules": {
-            "output": [ { "type": "varAssign", "name": "QT_SKIP_MODULES", "value": "input.skip_modules" } ]
+            "output": [ { "type": "varAssign", "name": "QT_SKIP_MODULES", "value": "tests.skip_modules.value" } ]
         },
         "qt_build_parts": {
             "description": "Qt build parts",
diff --git a/configure.pri b/configure.pri
index 5ba2859aa1..073a109ac0 100644
--- a/configure.pri
+++ b/configure.pri
@@ -186,6 +186,27 @@ defineTest(qtConfTest_neon) {
     return(false)
 }
 
+defineTest(qtConfTest_skipModules) {
+    skip =
+    ios|tvos {
+        skip += qtdoc qtmacextras qtserialport qtwebkit qtwebkit-examples
+        tvos: skip += qtscript
+    }
+
+    for (m, config.input.skip) {
+        # normalize the command line input
+        m ~= s/^(qt)?/qt/
+        !exists($$_PRO_FILE_PWD_/../$$m) {
+            qtConfAddError("-skip command line argument called with non-existent module '$$m'.")
+            return(false)
+        }
+        skip += $$m
+    }
+    $${1}.value = $$unique(skip)
+    export($${1}.value)
+    return(true)
+}
+
 defineTest(qtConfTest_openssl) {
     libs = $$getenv("OPENSSL_LIBS")
 
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