Implement eager pkg-config provider

This implements provider that generates modules based on all .pc files
present in system. This allows to get rid of the multi-shot providers
such as fallback provider.

Fixes: QBS-1614
Change-Id: Icf87ac609bc34bd26e8ed94ae547a7e649835a3a
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

8 files changed, 110 insertions, 0 deletions

diff --git a/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libdir/libA.pc b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libdir/libA.pc
new file mode 100644
index 000000000..077a05893
--- /dev/null
+++ b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libdir/libA.pc
@@ -0,0 +1,6 @@
+Name: libA
+Description: just a test
+Version: 0.0.1
+
+Cflags: -DTHE_MAGIC_DEFINE -I/usr/local/include
+Libs: -L/usr/local/lib -llibA
diff --git a/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libA.cpp b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libA.cpp
new file mode 100644
index 000000000..0c5274415
--- /dev/null
+++ b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libA.cpp
@@ -0,0 +1,14 @@
+#include "libA.h"
+
+#include <iostream>
+
+void foo()
+{
+    std::cout << "hello from foo: ";
+#ifdef MYLIB_FRAMEWORK
+    std::cout << "bundled: yes";
+#else
+    std::cout << "bundled: no";
+#endif
+    std::cout << std::endl;
+}
diff --git a/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libA.h b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libA.h
new file mode 100644
index 000000000..ddaaf1609
--- /dev/null
+++ b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libA.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#if defined(_WIN32) || defined(WIN32)
+#    define DECL_EXPORT __declspec(dllexport)
+#    define DECL_IMPORT __declspec(dllimport)
+#else
+#    define DECL_EXPORT __attribute__((visibility("default")))
+#    define DECL_IMPORT __attribute__((visibility("default")))
+#  endif
+
+#if defined(LIBA_STATIC_LIBRARY)
+#  define LIBA_EXPORT
+#else
+#  if defined(MYLIB_LIBRARY)
+#    define LIBA_EXPORT DECL_EXPORT
+#  else
+#    define LIBA_EXPORT DECL_IMPORT
+#  endif
+#endif
+
+LIBA_EXPORT void foo();
diff --git a/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libs.qbs b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libs.qbs
new file mode 100644
index 000000000..9d482415b
--- /dev/null
+++ b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/libs/libs.qbs
@@ -0,0 +1,29 @@
+import qbs.FileInfo
+
+Project {
+    property bool isBundle: false
+
+    DynamicLibrary {
+        Depends { name: "cpp" }
+        Depends { name: "bundle" }
+        name: "libA"
+        bundle.isBundle: project.isBundle
+        bundle.publicHeaders: ["libA.h"]
+        files: "libA.cpp"
+        cpp.defines: {
+            var result = [];
+            if (project.isBundle)
+                result.push("MYLIB_FRAMEWORK");
+            return result;
+        }
+        qbs.installPrefix: ""
+        install: true
+        installImportLib: true
+        installDir: "lib"
+        Group {
+            files: ["libA.h"]
+            qbs.install: !project.isBundle
+            qbs.installDir: FileInfo.joinPaths("include", product.name)
+        }
+    }
+}
diff --git a/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/main.cpp b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/main.cpp
new file mode 100644
index 000000000..5fa0f7eed
--- /dev/null
+++ b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/main.cpp
@@ -0,0 +1,11 @@
+#include <libA/libA.h>
+
+#ifndef THE_MAGIC_DEFINE
+#error "missing the magic define"
+#endif
+
+int main()
+{
+    foo();
+    return 0;
+}
diff --git a/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/qbspkgconfig-module-provider.qbs b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/qbspkgconfig-module-provider.qbs
new file mode 100644
index 000000000..d2b3654ae
--- /dev/null
+++ b/tests/auto/blackbox/testdata/qbspkgconfig-module-provider/qbspkgconfig-module-provider.qbs
@@ -0,0 +1,6 @@
+CppApplication {
+    name: "p"
+    Depends { name: "libA" }
+    files: "main.cpp"
+    qbsModuleProviders: "qbspkgconfig"
+}
diff --git a/tests/auto/blackbox/tst_blackbox.cpp b/tests/auto/blackbox/tst_blackbox.cpp
index 3cacd67e9..44026fc86 100644
--- a/tests/auto/blackbox/tst_blackbox.cpp
+++ b/tests/auto/blackbox/tst_blackbox.cpp
@@ -6144,6 +6144,28 @@ void TestBlackbox::qbsModuleProvidersCompatibility_data()
     QTest::newRow("named") << QStringList("project.qbsModuleProviders:named_provider") << "from_named_provider";
 }
 
+void TestBlackbox::qbspkgconfigModuleProvider()
+{
+    QDir::setCurrent(testDataDir + "/qbspkgconfig-module-provider/libs");
+
+    const auto commonParams = QbsRunParameters(QStringLiteral("install"), {
+            QStringLiteral("qbs.installPrefix:/usr/local"),
+            QStringLiteral("--install-root"),
+            QStringLiteral("install-root")
+    });
+    auto dynamicParams = commonParams;
+    dynamicParams.arguments << "config:library" << "projects.libs.isBundle:false";
+    QCOMPARE(runQbs(dynamicParams), 0);
+
+    QDir::setCurrent(testDataDir + "/qbspkgconfig-module-provider");
+
+    QbsRunParameters params;
+    params.arguments
+            << "moduleProviders.qbspkgconfig.libDirs:libdir"
+            << "moduleProviders.qbspkgconfig.sysroot:" + QDir::currentPath() + "/libs/install-root";
+    QCOMPARE(runQbs(params), 0);
+}
+
 static QJsonObject getNextSessionPacket(QProcess &session, QByteArray &data)
 {
     int totalSize = -1;
diff --git a/tests/auto/blackbox/tst_blackbox.h b/tests/auto/blackbox/tst_blackbox.h
index 8728f2b10..2f443f681 100644
--- a/tests/auto/blackbox/tst_blackbox.h
+++ b/tests/auto/blackbox/tst_blackbox.h
@@ -265,6 +265,7 @@ private slots:
     void qbsModuleProvidersCliOverride_data();
     void qbsModuleProvidersCompatibility();
     void qbsModuleProvidersCompatibility_data();
+    void qbspkgconfigModuleProvider();
     void qbsSession();
     void qbsVersion();
     void qtBug51237();