Unit test: Support qbs build with googletest submodule

This is necessary to be able to build on Windows.
Also add an include to fix building with clang 12.

Change-Id: I9278a2c942a5e50c89c3aac19492f3a1ef3177b1
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

tests/unit/unit.qbs

@@ -1,5 +1,6 @@
 Project {
     name: "C++ unit tests"
+    condition: project.withAutotests
     references: [
         "echoserver/echoserver.qbs",
         "unittest/unittest.qbs",

tests/unit/unittest/gtest-clang-printing.cpp

@@ -27,6 +27,7 @@
 #include "gtest-std-printing.h"
 
 #ifdef CLANG_UNIT_TESTS
+#include <clang/Basic/FileManager.h>
 #include <clang/Basic/SourceLocation.h>
 #include <clang/Basic/SourceManager.h>
 

tests/unit/unittest/unittest.qbs

@@ -1,8 +1,55 @@
 import qbs.File
 import qbs.FileInfo
 
+Project {
+    name: "Unit test & helper products"
+
+    Product {
+        name: "qtc_gtest_gmock"
+
+        Export {
+            property bool useExternalLibs: preferExternalLibs && externalLibsPresent
+            property bool useRepo: !useExternalLibs && hasRepo
+            property bool preferExternalLibs: true
+            property bool externalLibsPresent: gtest.present && gmock.present
+            property string repoDir: FileInfo.joinPaths(path, "3rdparty", "googletest")
+            property string gtestDir: FileInfo.joinPaths(repoDir, "googletest")
+            property string gmockDir: FileInfo.joinPaths(repoDir, "googlemock")
+            property bool hasRepo: File.exists(gtestDir)
+
+            Depends { name: "pkgconfig"; condition: preferExternalLibs; required: false }
+            Depends { name: "gtest"; condition: preferExternalLibs; required: false }
+            Depends { name: "gmock"; condition: preferExternalLibs; required: false }
+
+            Depends { name: "cpp" }
+            Group {
+                name: "Files from repository"
+                condition: qtc_gtest_gmock.useRepo
+                cpp.includePaths: [
+                    qtc_gtest_gmock.gtestDir,
+                    qtc_gtest_gmock.gmockDir,
+                    FileInfo.joinPaths(qtc_gtest_gmock.gtestDir, "include"),
+                    FileInfo.joinPaths(qtc_gtest_gmock.gmockDir, "include"),
+                ]
+                files: [
+                    FileInfo.joinPaths(qtc_gtest_gmock.gtestDir, "src", "gtest-all.cc"),
+                    FileInfo.joinPaths(qtc_gtest_gmock.gmockDir, "src", "gmock-all.cc"),
+                ]
+            }
+
+            Properties {
+                condition: useRepo
+                cpp.includePaths: [
+                    FileInfo.joinPaths(gtestDir, "include"),
+                    FileInfo.joinPaths(gmockDir, "include"),
+                ]
+            }
+        }
+    }
+
     QtcProduct {
-    condition: gtest.present && gmock.present
+        name: "Unit test"
+        condition: qtc_gtest_gmock.hasRepo || qtc_gtest_gmock.externalLibsPresent
         type: ["application", "autotest", "json_copy"]
         consoleApplication: true
         destinationDirectory: FileInfo.joinPaths(project.buildDirectory,
@@ -25,8 +72,8 @@ QtcProduct {
 
         Depends { name: "pkgconfig"; required: false }
         Depends { name: "benchmark"; required: false }
-    Depends { name: "gtest"; required: false }
-    Depends { name: "gmock"; required: false }
+
+        Depends { name: "qtc_gtest_gmock" }
 
         pluginjson.useVcsData: false
         sqlite_sources.buildSharedLib: false
@@ -38,6 +85,12 @@ QtcProduct {
                         "QT_USE_FAST_OPERATOR_PLUS",
                         "QT_USE_FAST_CONCATENATION",
                         "CLANG_UNIT_TESTS",
+                        "CLANGPCHMANAGER_STATIC_LIB",
+                        "CLANGSUPPORT_BUILD_STATIC_LIB",
+                        "CLANGTOOLS_STATIC_LIBRARY",
+                        "CPPTOOLS_STATIC_LIBRARY",
+                        "DEBUGGER_STATIC_LIBRARY",
+                        "PROJECTEXPLORER_STATIC_LIBRARY",
                         "UNIT_TESTS",
                         "DONT_CHECK_MESSAGE_COUNTER",
                         'QTC_RESOURCE_DIR="' + path + "/../../../share/qtcreator" + '"',
@@ -401,7 +454,6 @@ QtcProduct {
         Group {
             name: "sources from pchmanager"
             prefix: "../../../src/plugins/clangpchmanager/"
-        cpp.defines: outer.concat("CLANGPCHMANAGER_STATIC_LIB")
             files: [
                 "clangindexingprojectsettings.cpp",
                 "clangindexingprojectsettings.h",
@@ -669,7 +721,6 @@ QtcProduct {
         Group {
             name: "sources from clangsupport"
             prefix: "../../../src/libs/clangsupport/"
-        cpp.defines: outer.concat("CLANGSUPPORT_STATIC_LIB")
             files: [
                 "*.cpp",
                 "*.h",
@@ -703,7 +754,6 @@ QtcProduct {
         Group {
             name: "sources from cpptools"
             prefix: "../../../src/plugins/cpptools/"
-        cpp.defines: outer.concat("CPPTOOLS_STATIC_LIBRARY")
             files: [
                 "compileroptionsbuilder.cpp",
                 "compileroptionsbuilder.h",
@@ -729,7 +779,6 @@ QtcProduct {
             name: "sources from clangtools"
             condition: libclang.present
             prefix: "../../../src/plugins/clangtools/"
-        cpp.defines: outer.concat("CLANGTOOLS_STATIC_LIBRARY")
             files: [
                 "clangtoolsdiagnostic.cpp",
                 "clangtoolsdiagnostic.h",
@@ -750,7 +799,6 @@ QtcProduct {
         Group {
             name: "sources from ProjectExplorer"
             prefix: "../../../src/plugins/projectexplorer/"
-        cpp.defines: base.concat("PROJECTEXPLORER_STATIC_LIBRARY")
             files: [
                 "projectmacro.cpp",
                 "projectmacro.h",
@@ -809,7 +857,6 @@ QtcProduct {
         Group {
             name: "sources from Debugger"
             prefix: "../../../src/plugins/debugger/analyzer/"
-        cpp.defines: outer.concat("DEBUGGER_STATIC_LIBRARY")
             files: [
                 "diagnosticlocation.cpp",
                 "diagnosticlocation.h",
@@ -829,5 +876,5 @@ QtcProduct {
                 return cmd;
             }
         }
-
+    }
 }