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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Creator documentation.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
**
****************************************************************************/
// **********************************************************************
// NOTE: the sections are not ordered by their logical order to avoid
// reshuffling the file each time the index order changes (i.e., often).
// Run the fixnavi.pl script to adjust the links to the index order.
// **********************************************************************
/*!
\previouspage creator-debuggers.html
\page creator-build-settings.html
\nextpage creator-run-settings.html
\title Specifying Build Settings
Different build configurations allow you to quickly switch between
different build settings. By default, \QC creates \e debug, \e release, and
\e profile build configurations. A debug build contains additional
debug symbols that you need for debugging the application but that you
can leave out from the release version. Generally, you use the debug
configuration for testing and the release configuration for creating
the final installation file. A profile configuration is an optimized release
build that is delivered with separate debug information. It is best suited
for analyzing applications.
\section1 Managing Build Configurations
You specify build settings in the \uicontrol Projects mode.
To add a new build configuration, click \uicontrol Add and select the type of
configuration you would like to add. You can add as many build
configurations as you need. You can also select \uicontrol Clone to
add a build configuration that is based on the currently selected one.
Select \uicontrol Rename to give the currently selected build configuration
a new name.
To delete the build configuration currently selected, click \uicontrol Remove.
\section1 Editing Build Configurations
Select the build configuration to edit in the
\uicontrol {Edit build configuration} field.
The available build settings depend on the build system that you selected
for the project.
\section2 qmake Build Configuration
\image qtcreator-projectpane.png "qmake general build settings pane"
By default, \QC builds projects in a separate directory from the source
directory, as \l{glossary-shadow-build} {shadow builds}. This keeps the
files generated for each \l{glossary-buildandrun-kit}{build and run kit} separate.
If you only build and run with a single \l{glossary-buildandrun-kit}{kit},
you can deselect the \uicontrol {Shadow build}
checkbox.
To make in-source builds the default option for all projects, select
\uicontrol Tools > \uicontrol Options > \uicontrol {Build & Run} >
\uicontrol {Default Build Properties}, and enter a period (.) in the
\uicontrol {Default build directory} field.
You can create separate versions of project files to keep platform-dependent
code separate. You can use qmake \l{Adding Platform Specific Source Files}
{scopes} to select the file to process depending on which platform qmake is
run on.
To generate debug symbols also for applications compiled in release mode,
select \uicontrol Enable in the \uicontrol {Separate debug info} field. For
more information, see \l{Using the Performance Analyzer}. To use default
settings, select \uicontrol {Leave at Default}.
To set the default build properties, select \uicontrol Tools
> \uicontrol Options > \uicontrol {Build & Run} >
\uicontrol {Default Build Properties}.
\section3 Compiling QML
Since Qt 5.11, you can compile QML source code into the final binary. This
improves the startup time of the application and eliminates the need to
deploy QML files together with the application. For more information, see
\l{Ahead-of-Time Compilation}.
\QC new project wizards create Qt Quick projects that can be compiled,
because they are set up to use the Qt Resource System. To compile Qt Quick
code, select \uicontrol Enable in the \uicontrol {Qt Quick Compiler}
field. To use default settings, select \uicontrol {Leave at Default}.
\note In earlier Qt versions, this was a commercial feature. For more
information, see \l{http://doc.qt.io/QtQuickCompiler/}{Qt Quick Compiler}.
\include creator-projects-cmake-building.qdocinc cmake build configuration
\include creator-projects-meson-building.qdocinc meson build configuration
\section1 Starting External Processes
\QC executes external processes to accomplish tasks such as building
and running applications. To execute the processes, \QC uses shell
commands that are native to the system. It constructs the commands from
an executable name and optional command line arguments.
The executable name is specified in the executable fields: \uicontrol qmake,
\uicontrol Make, \uicontrol Command, or \uicontrol Executable. It is either derived from the
project or specified manually. When you specify executables manually, you
can reference environment variables and \QC variables. However, no
quoting rules
apply.
You can specify command-line arguments in the arguments fields:
\uicontrol {Additional arguments}, \uicontrol {Command arguments},
\uicontrol {Make arguments}, \uicontrol Arguments, \uicontrol {Default Arguments},
or \uicontrol {Extra arguments}. You can create shell command lines
that can contain redirection and other advanced constructs. However, some
more complex use cases, such as piping test data into the application being
tested or grouping commands, are not supported because the value of the
\uicontrol Executable field is always placed first when constructing the command.
You can use \l {Using Environment Variables}{environment variables} as
values in the fields. In addition, you can \l {Using Qt Creator Variables}
{use \QC variables} in arguments, executable paths, and working
directories.
\section1 Build Steps
In \uicontrol{Build Steps} you can change the settings for the build system
selected for building the project: qmake, CMake, Meson, or Qbs. You can use
Incredibuild to accelerate the build process when using qmake or CMake.
\section2 qmake Build Steps
\QC builds qmake projects by running the \c make or \c nmake command from
the Qt version defined for the current build configuration.
\image qtcreator-build-steps.png "Build steps"
To override the shell command that \QC constructs by default, disable or remove
the build step and add a custom build step that specifies another shell
command.
By default, \QC uses all the CPU cores available to achieve maximum build
parallelization. On Linux and \macos, you can specify the number of parallel
jobs to use for building in the \uicontrol {Parallel jobs} field. Select the
\uicontrol {Override MAKEFLAGS} check box to override existing MAKEFLAGS
variables.
\include creator-projects-cmake-building.qdocinc cmake build steps
\include creator-projects-settings-build-qbs.qdocinc qbs build steps
\include creator-projects-meson-building.qdocinc meson build steps
\include creator-projects-incredibuild-building.qdocinc incredibuild build steps
\section2 Adding Custom Build Steps
To add custom steps to the build settings, select
\uicontrol {Add Build Step} > \uicontrol {Custom Process Step}.
By default, custom steps are enabled. To disable a custom step, select
the \inlineimage buildstepdisable.png
(\uicontrol Disable) button.
\image qtcreator-build-steps-custom.png "Custom Process Step"
\section2 Executing Custom Commands
To execute custom commands when building for embedded devices, select
\uicontrol {Add Build Step} > \uicontrol {Custom Remote Command
(via adb shell)} (commercial only) and enter the command to execute.
\section1 Clean Steps
You can use the cleaning process to remove intermediate files. This process
might help you to fix obscure issues during the process of building a
project.
\image qtcreator-clean-steps.png "Clean steps"
You can define the cleaning steps for your builds in the \uicontrol{Clean Steps}.
\list
\li To add a clean step using make or a custom process, click
\uicontrol{Add Clean Step} and select the type of step you want to add.
By default, custom steps are enabled. To disable a custom step,
select the \uicontrol Disable button.
\li To remove a clean step, click \uicontrol{Remove Item}.
\li To change the order of steps, click \inlineimage arrowup.png
(\uicontrol {Move Up}) and \inlineimage arrowdown.png
(\uicontrol {Move Down}).
\endlist
\include creator-projects-cmake-building.qdocinc cmake clean steps
\include creator-projects-settings-build-qbs.qdocinc qbs clean steps
\include creator-projects-meson-building.qdocinc meson clean steps
\include creator-projects-incredibuild-building.qdocinc incredibuild clean steps
*/
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