Autotedect MSVC compiler by using a probe

This allows to build projects without calling "qbs setup-toolchains"
first by simply calling "qbs build".

Change-Id: Iba4af8bf77d0ee5d209564ea371328d3c6cf2aa2
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

4 files changed, 16 insertions, 0 deletions

diff --git a/tests/auto/blackbox/testdata/empty-profile/empty-profile.qbs b/tests/auto/blackbox/testdata/empty-profile/empty-profile.qbs
new file mode 100644
index 000000000..da7536315
--- /dev/null
+++ b/tests/auto/blackbox/testdata/empty-profile/empty-profile.qbs
@@ -0,0 +1,3 @@
+CppApplication {
+    files: ["main.cpp"]
+}
diff --git a/tests/auto/blackbox/testdata/empty-profile/main.cpp b/tests/auto/blackbox/testdata/empty-profile/main.cpp
new file mode 100644
index 000000000..76e819701
--- /dev/null
+++ b/tests/auto/blackbox/testdata/empty-profile/main.cpp
@@ -0,0 +1 @@
+int main() { return 0; }
diff --git a/tests/auto/blackbox/tst_blackbox.cpp b/tests/auto/blackbox/tst_blackbox.cpp
index 797be107f..121f60dd8 100644
--- a/tests/auto/blackbox/tst_blackbox.cpp
+++ b/tests/auto/blackbox/tst_blackbox.cpp
@@ -3438,6 +3438,17 @@ void TestBlackbox::dynamicRuleOutputs()
     QVERIFY(!QFile::exists(sourceFile2));
 }
 
+void TestBlackbox::emptyProfile()
+{
+    QDir::setCurrent(testDataDir + "/empty-profile");
+
+    QTemporaryDir tempDir;
+    QbsRunParameters params;
+    params.profile.clear();
+    params.settingsDir = tempDir.path(); // should be no settings here
+    QCOMPARE(runQbs(params), 0);
+}
+
 void TestBlackbox::erroneousFiles_data()
 {
     QTest::addColumn<QString>("errorMessage");
diff --git a/tests/auto/blackbox/tst_blackbox.h b/tests/auto/blackbox/tst_blackbox.h
index 9842ded39..2b83b14e3 100644
--- a/tests/auto/blackbox/tst_blackbox.h
+++ b/tests/auto/blackbox/tst_blackbox.h
@@ -95,6 +95,7 @@ private slots:
     void dynamicMultiplexRule();
     void dynamicProject();
     void dynamicRuleOutputs();
+    void emptyProfile();
     void enableExceptions();
     void enableExceptions_data();
     void enableRtti();