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https://github.com/netsurf-browser/netsurf
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240 lines
8.3 KiB
Markdown
240 lines
8.3 KiB
Markdown
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Build Instructions for GTK NetSurf 16 March 2014
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This document provides instructions for building the GTK version of NetSurf
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and provides guidance on obtaining NetSurf's build dependencies.
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GTK NetSurf has been tested on Debian, Ubuntu, Fedora 8, FreeBSD, NetBSD and
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Solaris 10. NetSurf requires at minimum GTK 2.12.
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Quick Start
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=============
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See the QUICK-START document, which provides a simple environment with
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which you can fetch, build and install NetSurf and its dependencies.
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The QUICK-START is the recommended way to build NetSurf.
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Manual building
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=================
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If you can't follow the quick start instructions, you will have to build
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NetSurf manually. The instructions for doing this are given below.
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Obtaining the build dependencies
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----------------------------------
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Many of NetSurf's dependencies are packaged on various operating systems.
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The remainder must be installed manually. Currently, some of the libraries
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developed as part of the NetSurf project have not had official releases.
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Hopefully they will soon be released with downloadable tarballs and packaged
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in common distros. For now, you'll have to make do with Git checkouts.
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Package installation
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--------------------
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Debian-like OS:
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$ apt-get install libgtk2.0-dev libcurl3-dev libpng-dev
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$ apt-get install librsvg2-dev libjpeg-dev
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If you want to build with gtk 3 replace libgtk2.0-dev with libgtk-3-dev
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Recent OS versions might need libcurl4-dev instead of libcurl3-dev but
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note that when it has not been built with OpenSSL, the SSL_CTX is not
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available and results that certification details won't be presented in case
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they are invalid. But as this is currently unimplemented in the GTK
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flavour of NetSurf, this won't make a difference at all.
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For experimental javascript support the mozilla spiermonkey library
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is required:
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$ apt-get install libmozjs-dev
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Fedora:
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$ yum install curl-devel libpng-devel
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$ yum install librsvg2-devel expat-devel
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Other:
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You'll need to install the development resources for libglade2, libcurl3,
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libpng and librsvg.
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Libharu
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-------
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NetSurf can use Haru PDF to enable PDF export. Haru PDF can be obtained
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from http://libharu.org/. We require libharu 2.2 or later.
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| Note: libharu cannot be auto-detected by the Makefile. If you wish to
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| enable it, do so by creating a Makefile.config file.
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Preparing your workspace
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--------------------------
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NetSurf has a number of libraries which must be built in-order and
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installed into your workspace. Each library depends on a core build
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system which NetSurf projects use. This build system relies on the
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presence of things like pkg-config to find libraries and also certain
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environment variables in order to work correctly.
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Assuming you are preparing a workspace in /home/netsurf/workspace then
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the following steps will set you up:
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Make the workspace directory and change to it
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---------------------------------------------
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$ mkdir -p ${HOME}/netsurf/workspace
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$ cd ${HOME}/netsurf/workspace
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Make the temporary install space
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--------------------------------
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$ mkdir inst
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Make an environment script
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--------------------------
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$ cat > env.sh <<'EOF'
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export PKG_CONFIG_PATH=${HOME}/netsurf/workspace/inst/lib/pkgconfig::
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export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${HOME}/netsurf/workspace/inst/lib
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export PREFIX=${HOME}/netsurf/workspace/inst
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EOF
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Change to workspace and source the environment
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----------------------------------------------
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Whenever you wish to start development in a new shell, run the following:
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$ cd ${HOME}/netsurf/workspace
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$ source env.sh
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From here on, any commands in this document assume you have sourced your
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shell environment.
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The NetSurf project's libraries
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---------------------------------
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The NetSurf project has developed several libraries which are required by
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the browser. These are:
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BuildSystem -- Shared build system, needed to build the other libraries
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LibParserUtils -- Parser building utility functions
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LibWapcaplet -- String internment
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Hubbub -- HTML5 compliant HTML parser
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LibCSS -- CSS parser and selection engine
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LibNSGIF -- GIF format image decoder
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LibNSBMP -- BMP and ICO format image decoder
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LibROSprite -- RISC OS Sprite format image decoder
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To fetch each of these libraries, run the appropriate commands from the
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Docs/LIBRARIES file, from within your workspace directory.
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To build and install these libraries, simply enter each of their directories
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and run:
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$ make install
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| Note: We advise enabling iconv() support in libparserutils, which vastly
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| increases the number of supported character sets. To do this,
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| create a file called Makefile.config.override in the libparserutils
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| directory, containing the following line:
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| CFLAGS += -DWITH_ICONV_FILTER
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| For more information, consult the libparserutils README file.
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Now you should have all the NetSurf project libraries built and installed.
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Getting the NetSurf source
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----------------------------
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From your workspace directory, run the following command to get the NetSurf
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source:
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$ git clone git://git.netsurf-browser.org/netsurf.git
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And change to the 'netsurf' directory:
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$ cd netsurf
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Building and executing NetSurf
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--------------------------------
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First of all, you should examine the options in Makefile.defaults
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and gtk/Makefile.defaults and enable and disable relevant features
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as you see fit by editing a Makefile.config file.
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Some of these options can be automatically detected and used, and
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where this is the case they are set to such. Others cannot be
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automatically detected from the Makefile, so you will either need to
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install the dependencies, or set them to NO.
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You should then obtain NetSurf's dependencies, keeping in mind which options
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you have enabled in the configuration file. See the next section for
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specifics.
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Once done, to build GTK NetSurf on a UNIX-like platform, simply run:
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$ make
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If that produces errors, you probably don't have some of NetSurf's
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build dependencies installed. See "Obtaining NetSurf's dependencies"
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below. Or turn off the complaining features in a Makefile.config
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file. You may need to "make clean" before attempting to build after
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installing the dependencies.
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Run NetSurf by executing the "test-nsgtk" shell script:
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$ ./test-nsgtk
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This script makes it easy to run the nsgtk binary from the build tree. It
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sets up some environment variables which enable NetSurf to find its
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resources.
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Builtin resources
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-------------------
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There are numerous resources that accompany NetSurf, such as the
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image files for icons, cursors and the ui builder files that
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construct the browsers interface.
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Some of these resources can be compiled into the browser executable
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removing the need to install these resources separately. The GLib
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library on which GTK is based provides this functionality to
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NetSurf.
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Up until GLib version 2.32 only the GDK pixbuf could be integrated
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in this way and is controlled with the NETSURF_USE_INLINE_PIXBUF
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variable (set in makefile.config).
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Glib version 2.32 and later integrated support for any file to be a
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resource while depreciating the old inline pixbuf interface. NetSurf
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gtk executables can integrate many resources using this interface,
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configuration is controlled with the NETSURF_USE_GRESOURCE variable.
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Loading from file is the fallback if a resource has not been
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compiled in, because of this if both of these features are
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unavailable (or disabled) NetSurf will automatically fall back to
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loading all its resources from files.
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The resource initialisation within the browser ensures it can access
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all the resources at start time, however it does not verify the
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resources are valid so failures could still occur subsequently. This
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is especially true for file based resources as they can become
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inaccessible after initialisation.
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Note for packagers
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====================
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If you are packaging NetSurf, see the PACKAGING-GTK document.
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