Difference between revisions of "Compiling ScummVM/GCC"

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== Compiling ScummVM with GCC under Linux ==
== Compiling ScummVM with GCC on Unix-based systems ==


== Tools/libraries needed ==
==Installing the needed libraries via a package manager==
===Mandatory (these should also install dependencies)===
===Ubuntu 16.04 or later===
* gcc-c++ (under Fedora Core, run "yum install gcc-c++" as root to install the GNU C++ compiler)
The following should install all the needed libraries:
* SDL-devel (under Fedora Core, run "yum install SDL-devel" as root to install it)
<syntaxhighlight lang="bash">
apt install g++ make git nasm libsdl2-dev libsdl2-net-dev liba52-dev libjpeg-turbo8-dev libmpeg2-4-dev libogg-dev libvorbis-dev libflac-dev libmad0-dev libpng-dev libtheora-dev libfaad-dev libfluidsynth-dev libfreetype6-dev zlib1g-dev libfribidi-dev libgif-dev libcurl4-openssl-dev libgtk-3-dev libspeechd-dev libsndio-dev libunity-dev libvpx-dev libmikmod-dev libmpcdec-dev
</syntaxhighlight>


===Optional===
===Other Debian-based distributions===
* [http://flac.sourceforge.net/ flac] (Free Lossless Audio Codec, needed if you want to play compressed games without quality loss)
The following should install all the needed libraries:
* [http://www.underbit.com/products/mad/ libmad] (MPEG Audio Decoder, needed if you want to play MP3-compressed games)
<syntaxhighlight lang="bash">
* [http://www.xiph.org/downloads/ libOGG and libVorbis] (OGG Vorbis decoder, needed if you want to play OGG-Vorbis-compressed games)
apt-get install g++ make git nasm libsdl2-dev libsdl2-net-dev liba52-dev libjpeg62-turbo-dev libmpeg2-4-dev libogg-dev libvorbis-dev libflac-dev libmad0-dev libpng-dev libtheora-dev libfaad-dev libfluidsynth-dev libfreetype6-dev zlib1g-dev libfribidi-dev libgif-dev libcurl4-openssl-dev libgtk-3-dev libspeechd-dev libsndio-dev libvpx-dev libmikmod-dev libmpcdec-dev
* [http://libmpeg2.sourceforge.net/ libMPEG2] (.mpg video decoder, needed for the re-encoded cutscenes in Broken Sword 1/2)
</syntaxhighlight>
* TODO (tremor, libfluidsynth)


== Building the libraries ==
===RPM-based distributions===
todo
The following should install all the needed libraries (apart from fluidsynth):
<syntaxhighlight lang="bash">
yum install gcc-c++ make SDL-devel libjpeg-turbo-devel libmpeg2-devel libogg-devel libvorbis-devel flac-devel libmad-devel libpng-devel libtheora-devel faad2-devel freetype-devel zlib-devel fribidi-devel libvpx-dev libmikmod-dev
</syntaxhighlight>


===Arch Linux-based distributions===
The following command installs the compiler toolchain and all the needed libraries:
<syntaxhighlight lang="bash">
pacman -S --needed base-devel git curl faad2 freetype2 flac fluidsynth libjpeg-turbo libogg libvorbis libmad libmpeg2 libtheora libpng nasm readline sdl2 sdl2_net zlib fribidi libspeechd libvpx libmikmod
</syntaxhighlight>
Per default, some Arch based distributions like Manjaro and Antergos require the usage of "sudo" to gain root access.
===FreeBSD-based distributions===
The following should install all the needed libraries:
<syntaxhighlight lang="bash">
pkg install git gmake pkgconf sdl2 faad2 freetype2 libogg libvorbis libiconv libmpeg2 libtheora libmad png flac fluidsynth sndio liba52 fribidi jpeg-turbo sdl2_net curl gtk3 speech-dispatcher libvpx libmikmod
</syntaxhighlight>
===OpenBSD-based distributions===
The following should install all the needed libraries:
<syntaxhighlight lang="bash">
pkg_add git gmake sdl2 faad libogg libvorbis libiconv libmpeg2 libtheora libmad png flac fluidsynth liba52 fribidi jpeg sdl2-net curl gtk+3 speech-dispatcher libvpx libmikmod
</syntaxhighlight>


== Configuring ScummVM ==
== Configuring ScummVM ==
Run the configure script - type "./configure" in the directory with the ScummVM source files. If no errors come up, you should be ready to compile ScummvM. Run "./configure --help" for a list of optional features (eg additional, not yet enabled engines).
Run the configure script in the directory with the ScummVM source files:
<syntaxhighlight lang="bash">
./configure
</syntaxhighlight >
 
If no errors come up, you should be ready to compile ScummvM.
 
It's possible to build ScummVM with Clang instead of GCC using the following command:
<syntaxhighlight lang="bash">
CXX=clang++ ./configure
</syntaxhighlight >
This is necessary in order to build ScummVM on OpenBSD.
 
For a list of optional features (e.g. additional, not yet enabled engines) run:
<syntaxhighlight lang="bash">
./configure --help
</syntaxhighlight >
 
''Note:'' If you are building ScummVM on a system with low main memory (for example, lower than 256MB), you might run out of memory during linking. If you use GNU ld for compiling you can try exporting LDFLAGS="-Wl,--no-keep-memory" before running configure. This tells GNU ld to optimize for memory usage.


== Compiling ScummVM ==
== Compiling ScummVM ==
run make
Run:
<syntaxhighlight lang="bash">
make clean
make
</syntaxhighlight >
 
It is recommended to run parallel make. For example to run with 8 CPU cores use:
<syntaxhighlight lang="bash">
make -j10
</syntaxhighlight >
A good number is to use the number of your CPU cores, including virtual ones, +2. Typical Intel Core i7 has 8 CPU cores.
 
On BSD systems, it is necessary to use GNU make, since BSD make will not work with ScummVM. Instead, run:
<syntaxhighlight lang="bash">
gmake clean
gmake
</syntaxhighlight >


== Installing ScummVM ==
== Installing ScummVM ==
either run ./scummvm from the current directory or run make install to install ScummVM (you can then run it using "scummvm" from any directory)
either run ./scummvm from the current directory or run make install to install ScummVM (you can then run it using "scummvm" from any directory)
== Further reading ==
* [http://svn.sourceforge.net/viewcvs.py/*checkout*/scummvm/scummvm/trunk/README ScummVM README, Section 9.0]

Latest revision as of 13:17, 24 September 2024

Compiling ScummVM with GCC on Unix-based systems

Installing the needed libraries via a package manager

Ubuntu 16.04 or later

The following should install all the needed libraries: 

apt install g++ make git nasm libsdl2-dev libsdl2-net-dev liba52-dev libjpeg-turbo8-dev libmpeg2-4-dev libogg-dev libvorbis-dev libflac-dev libmad0-dev libpng-dev libtheora-dev libfaad-dev libfluidsynth-dev libfreetype6-dev zlib1g-dev libfribidi-dev libgif-dev libcurl4-openssl-dev libgtk-3-dev libspeechd-dev libsndio-dev libunity-dev libvpx-dev libmikmod-dev libmpcdec-dev

Other Debian-based distributions

The following should install all the needed libraries: 

apt-get install g++ make git nasm libsdl2-dev libsdl2-net-dev liba52-dev libjpeg62-turbo-dev libmpeg2-4-dev libogg-dev libvorbis-dev libflac-dev libmad0-dev libpng-dev libtheora-dev libfaad-dev libfluidsynth-dev libfreetype6-dev zlib1g-dev libfribidi-dev libgif-dev libcurl4-openssl-dev libgtk-3-dev libspeechd-dev libsndio-dev libvpx-dev libmikmod-dev libmpcdec-dev

RPM-based distributions

The following should install all the needed libraries (apart from fluidsynth): 

yum install gcc-c++ make SDL-devel libjpeg-turbo-devel libmpeg2-devel libogg-devel libvorbis-devel flac-devel libmad-devel libpng-devel libtheora-devel faad2-devel freetype-devel zlib-devel fribidi-devel libvpx-dev libmikmod-dev

Arch Linux-based distributions

The following command installs the compiler toolchain and all the needed libraries: 

pacman -S --needed base-devel git curl faad2 freetype2 flac fluidsynth libjpeg-turbo libogg libvorbis libmad libmpeg2 libtheora libpng nasm readline sdl2 sdl2_net zlib fribidi libspeechd libvpx libmikmod

Per default, some Arch based distributions like Manjaro and Antergos require the usage of "sudo" to gain root access.

FreeBSD-based distributions

The following should install all the needed libraries: 

pkg install git gmake pkgconf sdl2 faad2 freetype2 libogg libvorbis libiconv libmpeg2 libtheora libmad png flac fluidsynth sndio liba52 fribidi jpeg-turbo sdl2_net curl gtk3 speech-dispatcher libvpx libmikmod

OpenBSD-based distributions

The following should install all the needed libraries: 

pkg_add git gmake sdl2 faad libogg libvorbis libiconv libmpeg2 libtheora libmad png flac fluidsynth liba52 fribidi jpeg sdl2-net curl gtk+3 speech-dispatcher libvpx libmikmod

Configuring ScummVM

Run the configure script in the directory with the ScummVM source files: 

./configure

If no errors come up, you should be ready to compile ScummvM.

It's possible to build ScummVM with Clang instead of GCC using the following command: 

CXX=clang++ ./configure

This is necessary in order to build ScummVM on OpenBSD.

For a list of optional features (e.g. additional, not yet enabled engines) run: 

./configure --help

Note: If you are building ScummVM on a system with low main memory (for example, lower than 256MB), you might run out of memory during linking. If you use GNU ld for compiling you can try exporting LDFLAGS="-Wl,--no-keep-memory" before running configure. This tells GNU ld to optimize for memory usage.

Compiling ScummVM

Run: 

make clean
make

It is recommended to run parallel make. For example to run with 8 CPU cores use: 

make -j10

A good number is to use the number of your CPU cores, including virtual ones, +2. Typical Intel Core i7 has 8 CPU cores.

On BSD systems, it is necessary to use GNU make, since BSD make will not work with ScummVM. Instead, run: 

gmake clean
gmake

Installing ScummVM

either run ./scummvm from the current directory or run make install to install ScummVM (you can then run it using "scummvm" from any directory)

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