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Table of Contents generated with DocToc

Build

We support two build systems:

  • Visual Studio (tested >= 2015) (recommended on Windows)
  • Make (tested under gcc >= 4.9) (all other platforms, possible on Windows using msys2)

Visual Studio

For Visual Studio, dependencies are already built and available from this repository: https://github.com/rbouqueau/signals-deps.git

To use them, clone the repository and copy the pre-compiled dependencies using the CopyToSignals.bat file. The dependencies are built using Visual Studio 2015.

Make

If you want to use the make build system, the dependencies for Signals need to be downloaded and built first.

Dependencies

To do that, simply run the following script :

$ ./extra.sh

This script will ask you to install some tools (make, libtools, nasm, rsync ...).

You can use the CPREFIX environment variable to indicate another build toolchain e.g.:

CPREFIX=x86_64-w64-mingw32 ./extra.sh

For cmake, make sure you have its subpackages (modules) installed.

mingw-64

On Windows, to be able to use make, we recommend using msys2 which comes with the package manager pacman to install those tools. However, some environment variables including PATH need to be tweaked (especially if it contains spaces) as follows: 64 bits:

$ export PATH=/mingw64/bin:$PWD/extra/bin:$PATH
$ export MSYSTEM=MINGW32
$ export PKG_CONFIG_PATH=/mingw64/lib/pkgconfig

32 bits:

$ export PATH=/mingw32/bin:$PWD/extra/bin:$PATH
$ export MSYSTEM=MINGW32
$ export PKG_CONFIG_PATH=/mingw32/lib/pkgconfig

Once the dependencies are built, on Windows with msys2, there are still 2 problems to fix:

  • The libx265 DLL is not installed correctly. Copy it from extra/build/src/x265/bin/x86_64-w64-mingw32/libx265.dll to extra/bin.
  • In bin/make/config.mk, remove -XCClinker (introduced by SDL2).

Note: when using a mingw-w64 toolchains, you may have a failure when trying to build signals for the first time. Please modify the bin/make/config.mk file accordingly:

  • add -D_WIN32_WINNT=0x0501 -DWIN32_LEAN_AND_MEAN
  • Linux only: remove -mwindows and make you you selected posix threads with sudo update-alternatives --config x86_64-w64-mingw32-g++

MacOS

You must set the NASM environment variable. Check the latest on http://www.nasm.us/pub/nasm/releasebuilds.

NASM=/usr/local/bin/nasm ./extra.sh

build signals

Finally, you can run:

$ ./check.sh

or

$ PKG_CONFIG_PATH=$PWD/extra/x86_64-w64-mingw32/lib/pkgconfig CXX=x86_64-w64-mingw32-g++ ./check.sh

Out of tree builds

$ make BIN=subdir

Run

The binaries are in generated in bin/including a sample player, the dashcastx application, and all the unit test apps.

Linux

If you encounter this error message: [SDLVideo render] Couldn't initialize: No available video device, please install the libxext-dev package on your system.