implement PCH build option for components

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

CMakeLists.txt

@@ -150,6 +150,9 @@ add_feature_info(utils KATIE_UTILS "build maintainance utilities")
 option(KATIE_ALLINONE "Build targets from single source file" OFF)
 add_feature_info(allinone KATIE_ALLINONE "build targets from single source file")
 
+option(KATIE_PCH "Build components with pre-compiled header" OFF)
+add_feature_info(pch KATIE_PCH "build components with pre-compiled header")
+
 option(WITH_ACCESSIBILITY "Build accessibility support" ON)
 add_feature_info(accessibility WITH_ACCESSIBILITY "build accessibility support")
 

appveyor.yml

@@ -18,7 +18,7 @@ build_script:
 
     export CXXFLAGS="$CXXFLAGS -w"
 
-    cmake . -Wno-dev -DKATIE_TESTS=ON -DKATIE_BENCHMARKS=ON -DKATIE_UTILS=ON -DKATIE_ALLINONE=ON
+    cmake . -Wno-dev -DKATIE_TESTS=ON -DKATIE_BENCHMARKS=ON -DKATIE_UTILS=ON -DKATIE_ALLINONE=ON -DKATIE_PCH=ON
 
     make -j $(nproc || echo 1)
 

cmake/modules/KatieBuildMacros.cmake

@@ -320,6 +320,17 @@ macro(KATIE_SETUP_OBJECT FORTARGET)
     endforeach()
 endmacro()
 
+# a macro to setup pre-compiled header for target
+macro(KATIE_SETUP_PCH FORTARGET)
+    if(KATIE_PCH)
+        if (NOT CMAKE_VERSION VERSION_LESS "3.16.0")
+            target_precompile_headers(${FORTARGET} PRIVATE "${CMAKE_SOURCE_DIR}/src/core/qt_pch.h")
+        else()
+            message(FATAL_ERROR "Pre-compiled headers option requires CMake v3.16+")
+        endif()
+    endif()
+endmacro()
+
 # a macro to remove conditional code from headers which is only relevant to the
 # process of building Katie itself
 macro(KATIE_OPTIMIZE_HEADERS DIR)

src/core/CMakeLists.txt

@@ -461,6 +461,8 @@ set_target_properties(KtCore PROPERTIES
     EXPORT_NAME Core
 )
 
+katie_setup_pch(KtCore)
+
 install(
     TARGETS KtCore
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/core/qt_pch.h

@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Copyright (C) 2016-2020 Ivailo Monev
+**
+** This file is part of the QtCore module of the Katie Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT_PCH_H
+#define QT_PCH_H
+
+#if defined __cplusplus
+#  include "qplatformdefs.h"
+#  include "qcoreapplication.h"
+#  include "qlist.h"
+#  include "qvariant.h"
+#  include "qobject.h"
+#  include "qregexp.h"
+#  include "qstring.h"
+#  include "qstringlist.h"
+#  include "qtextcodec.h"
+#else
+#  include <stdlib.h>
+#endif
+
+#endif

src/dbus/CMakeLists.txt

@@ -109,6 +109,8 @@ set_target_properties(KtDBus PROPERTIES
     EXPORT_NAME DBus
 )
 
+katie_setup_pch(KtDBus)
+
 install(
     TARGETS KtDBus
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/declarative/CMakeLists.txt

@@ -335,6 +335,8 @@ set_target_properties(KtDeclarative PROPERTIES
     EXPORT_NAME Declarative
 )
 
+katie_setup_pch(KtDeclarative)
+
 install(
     TARGETS KtDeclarative
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/designer/CMakeLists.txt

@@ -291,6 +291,7 @@ set_target_properties(KtDesigner PROPERTIES
 )
 
 katie_setup_object(KtDesigner sharedqtgradienteditor sharedqtpropertybrowser sharedfindwidget)
+katie_setup_pch(KtDesigner)
 
 install(
     TARGETS KtDesigner

src/designer/components/CMakeLists.txt

@@ -226,6 +226,7 @@ set_target_properties(KtDesignerComponents PROPERTIES
 )
 
 katie_setup_object(KtDesignerComponents sharedfindwidget sharedqtpropertybrowser sharedqtgradienteditor)
+katie_setup_pch(KtDesignerComponents)
 
 install(
     TARGETS KtDesignerComponents

src/gui/CMakeLists.txt

@@ -1056,6 +1056,8 @@ set_target_properties(KtGui PROPERTIES
     EXPORT_NAME Gui
 )
 
+katie_setup_pch(KtGui)
+
 install(
     TARGETS KtGui
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/network/CMakeLists.txt

@@ -226,6 +226,8 @@ set_target_properties(KtNetwork PROPERTIES
     EXPORT_NAME Network
 )
 
+katie_setup_pch(KtNetwork)
+
 install(
     TARGETS KtNetwork
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/script/CMakeLists.txt

@@ -244,6 +244,8 @@ set_target_properties(KtScript PROPERTIES
     EXPORT_NAME Script
 )
 
+katie_setup_pch(KtScript)
+
 install(
     TARGETS KtScript
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/scripttools/CMakeLists.txt

@@ -181,6 +181,8 @@ set_target_properties(KtScriptTools PROPERTIES
     EXPORT_NAME ScriptTools
 )
 
+katie_setup_pch(KtScriptTools)
+
 install(
     TARGETS KtScriptTools
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/sql/CMakeLists.txt

@@ -81,6 +81,8 @@ set_target_properties(KtSql PROPERTIES
     EXPORT_NAME Sql
 )
 
+katie_setup_pch(KtSql)
+
 install(
     TARGETS KtSql
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/svg/CMakeLists.txt

@@ -63,6 +63,8 @@ set_target_properties(KtSvg PROPERTIES
     EXPORT_NAME Svg
 )
 
+katie_setup_pch(KtSvg)
+
 install(
     TARGETS KtSvg
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/test/CMakeLists.txt

@@ -108,6 +108,8 @@ set_target_properties(KtTest PROPERTIES
     EXPORT_NAME Test
 )
 
+katie_setup_pch(KtTest)
+
 install(
     TARGETS KtTest
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/uitools/CMakeLists.txt

@@ -57,6 +57,8 @@ set_target_properties(KtUiTools PROPERTIES
     EXPORT_NAME UiTools
 )
 
+katie_setup_pch(KtUiTools)
+
 install(
     TARGETS KtUiTools
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}

src/xml/CMakeLists.txt

@@ -41,6 +41,8 @@ set_target_properties(KtXml PROPERTIES
     EXPORT_NAME Xml
 )
 
+katie_setup_pch(KtXml)
+
 install(
     TARGETS KtXml
     EXPORT KatieTargets ${INSTALL_TARGETS_DEFAULT_ARGS}