GCC: Make it possible to force the linker variant

...via cpp.linkerVariant.

[ChangeLog] Added new cpp property linkerVariant to force use of gold,
bfd or lld.

Task-number: QBS-1421
Change-Id: I98f9d2581515ac8e9c984a2f8d70f4a7a3ab230b
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

2 files changed, 21 insertions, 0 deletions

diff --git a/tests/auto/blackbox/testdata/linker-variant/linker-variant.qbs b/tests/auto/blackbox/testdata/linker-variant/linker-variant.qbs
new file mode 100644
index 000000000..57bd4ccba
--- /dev/null
+++ b/tests/auto/blackbox/testdata/linker-variant/linker-variant.qbs
@@ -0,0 +1,20 @@
+CppApplication {
+    name: "p"
+    property string linkerVariant
+    Probe {
+        id: gccProbe
+        property bool isGcc: qbs.toolchain.contains("gcc")
+        configure: {
+            console.info("is GCC: " + isGcc);
+            if (isGcc)
+                found = true;
+        }
+    }
+
+    Properties {
+        condition: gccProbe.found
+        cpp.linkerVariant: linkerVariant
+    }
+
+    files: "main.cpp"
+}
diff --git a/tests/auto/blackbox/testdata/linker-variant/main.cpp b/tests/auto/blackbox/testdata/linker-variant/main.cpp
new file mode 100644
index 000000000..237c8ce18
--- /dev/null
+++ b/tests/auto/blackbox/testdata/linker-variant/main.cpp
@@ -0,0 +1 @@
+int main() {}