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@ -1,80 +1,80 @@
FreeType 2 compilation how-to
=============================
FreeType 2 compilation how-to
=============================
Introduction
------------
Introduction:
Welcome to this version of the FreeType 2 library. You'll find in this
document instructions on how to compile the library on your favorite
platform.
Welcome to the FreeType 2 library. You'll find in this document
instructions on how to compile the library on your favorite platform.
I. QUICK COMMAND-LINE GUIDE
---------------------------
Install GNU Make, then try the following on Unix or any system with gcc:
Install GNU Make, then try the following on Unix or any system with
gcc:
make // this will setup the build
make // this will build the library
make // this will setup the build
make // this will build the library
On Win32 + Visual C++:
make setup visualc // setup the build for VisualC++ on Win32
make // build the library
make setup visualc // setup the build for VisualC++ on Win32
make // build the library
Then, go to the "demos" directory and type
Then, go to the `demos' directory and type
make
make
Note that on Unix, the first "make" invocation will run a configure
script (which is located in "freetype2/builds/unix/". You can also
Note that on Unix, the first `make' invocation will run a configure
script (which is located in `freetype2/builds/unix/'. You can also
pass parameters to this script with the CFG variable, as in:
make CFG="--prefix=/usr/local"
make
make CFG="--prefix=/usr/local"
make
If this doesn't work, read the following.
II. COMMAND-LINE COMPILATION
----------------------------
Note that if you do not want to compile FreeType 2 from a command line
shell, please skip to section III below (DETAILED COMPILATION)
Note that if you do not want to compile FreeType 2 from a command
line shell, please skip to section III below (DETAILED COMPILATION).
FreeType 2 includes a powerful and flexible build system that allows you
to easily compile it on a great variety of platforms from the command
line. To do so, just follow these simple instructions:
FreeType 2 includes a powerful and flexible build system that allows
you to easily compile it on a great variety of platforms from the
command line. To do so, just follow these simple instructions:
a/ Install GNU Make:
a. Install GNU Make
Because GNU Make is the only Make tool supported to compile FreeType 2,
you should install it on your machine.
Because GNU Make is the only Make tool supported to compile
FreeType 2, you should install it on your machine.
Because the FT2 build system relies on many important features of GNU
Make, trying to build the library with any other Make tool will *fail*.
The FreeType 2 build system relies on many features special to GNU
Make -- trying to build the library with any other Make tool will
*fail*.
Make sure that you're invoking GNU Make from the command line, by
typing something like:
Make sure that you are invoking GNU Make from the command line, by
typing something like:
make -V
make -v
to display its version number..
to display its version number.
b. Invoke `make'
Go to the root directory of FreeType 2, then simply invoke GNU
Make from the command line. This will launch the FreeType 2 host
platform detection routines. A summary will be displayed, for
example, on Win32:
b/ Invoke "make":
Go to the root FT2 directory, then simply invoke GNU Make from the
command line, this will launch the FreeType 2 Host Platform detection
routines. A summary will be displayed, for example, on Win32:
========================================================================
==============================================================
FreeType build system -- automatic system detection
The following settings are used:
@ -84,141 +84,137 @@ II. COMMAND-LINE COMPILATION
configuration directory ./builds/win32
configuration rules ./builds/win32/w32-gcc.mk
If this does not correspond to your system or settings please remove
the file 'config.mk' from this directory then read the INSTALL file
for help.
If this does not correspond to your system or settings please
remove the file 'config.mk' from this directory then read the
INSTALL file for help.
Otherwise, simply type 'make' again to build the library.
=========================================================================
=============================================================
If the detected settings correspond to your platform and compiler,
skip to step e/. Note that if your platform is completely alien to
the build system, the detected platform will be "ansi".
If the detected settings correspond to your platform and compiler,
skip to step e. Note that if your platform is completely alien to
the build system, the detected platform will be `ansi'.
c/ Configure the build system for a different compiler:
c. Configure the build system for a different compiler
If the build system correctly detected your platform, but you want to
use a different compiler than the one specified in the summary (for
most platforms, gcc is the defaut compiler), simply invoke GNU Make
like :
If the build system correctly detected your platform, but you want
to use a different compiler than the one specified in the summary
(for most platforms, gcc is the defaut compiler), invoke GNU Make
with
make setup <compiler>
For example:
to use Visual C++ on Win32, type: "make setup visualc"
to use LCC-Win32 on Win32, type: "make setup lcc"
The <compiler> name to use is platform-dependent. The list of available
compilers for your system is available in the file
"builds/<system>/detect.mk" (note that we hope to make the list
displayed at user demand in the final release)..
If you're satisfed by the new configuration summary, skip to step e/
For example:
d/ Configure the build system for an unknown platform/compiler:
to use Visual C++ on Win32, type: "make setup visualc"
to use LCC-Win32 on Win32, type: "make setup lcc"
What the auto-detection/setup phase of the build system does is simply
copy a file to the current directory under the name "config.mk".
The <compiler> name to use is platform-dependent. The list of
available compilers for your system is available in the file
`builds/<system>/detect.mk' (note that we hope to make the list
displayed at user demand in the final release).
For example, on OS/2+gcc, it would simply copy "builds/os2/os2-gcc.mk"
to "./config.mk"
If you are satisfied by the new configuration summary, skip to
step e.
If for some reason your platform isn't correctly detected, simply copy
manually the configuration sub-makefile to "./config.mk" and go to
step e/.
d. Configure the build system for an unknown platform/compiler
Note that this file is a sub-Makefile used to specify Make variables
used to invoke the compiler and linker during the build, you can easily
create your own version from one of the existing configuration files,
then copy it to the current directory under the name "./config.mk".
The auto-detection/setup phase of the build system copies a file
to the current directory under the name `config.mk'.
For example, on OS/2+gcc, it would simply copy
`builds/os2/os2-gcc.mk' to `./config.mk'.
e/ Build the library:
If for some reason your platform isn't correctly detected, copy
manually the configuration sub-makefile to `./config.mk' and go to
step e.
The auto-detection/setup phase should have copied a file in the current
directory, called "./config.mk". This file contains definitions of various
Make variables used to invoke the compiler and linker during the build.
Note that this file is a sub-Makefile used to specify Make
variables for compiler and linker invocation during the build.
You can easily create your own version from one of the existing
configuration files, then copy it to the current directory under
the name `./config.mk'.
To launch the build, simply invoke GNU Make again: the top Makefile will
detect the configuration file and run the build with it..
e. Build the library
The auto-detection/setup phase should have copied a file in the
current directory, called `./config.mk'. This file contains
definitions of various Make variables used to invoke the compiler
and linker during the build.
f/ Build the demonstration programs:
To launch the build, simply invoke GNU Make again: The top
Makefile will detect the configuration file and run the build with
it.
Once the library is compiled, go to "demos", then invoke GNU Make.
f. Build the demonstration programs
Note that the demonstration programs include a tiny graphics sub-system
that includes "drivers" to display Windows on Win32, X11 and OS/2. The
build system should automatically detect which driver to use based on
the current platform.
UNIX USERS TAKE NOTE: XXXXXX
When building the demos, the build system tries to detect your X11 path
by looking for the patterns "X11R5/bin", "X11R6/bin" or "X11/bin" in
your current path. If no X11 path is found, the demo programs will not
be able to display graphics and will fail. Change your current path
if you encounter this problem.
Note that the release version will use Autoconf to detect everything
on Unix, so this will not be necessary !!
II. DETAILED COMPILATION PROCEDURE:
III. DETAILED COMPILATION PROCEDURE
-----------------------------------
If you don't want to compile FreeType 2 from the command-line (for example
from a graphical IDE on a Mac or Windows), you'll need to understand how the
FreeType files are organized.
If you don't want to compile FreeType 2 from the command-line (for
example if you use a graphical IDE on a Mac or Windows), you will
need to understand how the FreeType files are organized.
FreeType 2 has a very modular design, and it is made of several components.
Each component must be compiled as a stand-alone object file, even when it
is really made of several C source files. For example, the "base layer"
component is made of the following C files:
FreeType 2 has a very modular design, and it is made of several
components. Each component must be compiled as a stand-alone object
file, even if it is really made of several C source files. For
example, the `base layer' component is made of the following C
files:
src/
base/
ftcalc.c - computations
ftobjs.c - object management
ftstream.c - stream input
ftextend.c - extensions support
ftlist.c - simple list management
ftobjs.c - object management
ftoutln.c - simple outline processing
ftextend.c - extensions support
However, you can create a single object file by compiling the file
"src/base/ftbase.c", whose content is basically:
#include <base/ftcalc.c>
#include <base/ftobjs.c>
#include <base/ftstream.c>
#include <base/ftlist.c>
#include <base/ftoutln.c>
#include <base/ftextend.c>
Similarly, each component has a single "englobing" C file to compile it
as a stand-alone object, i.e. :
src/base/ftbase.c - the base layer, high-level interface
src/sfnt/sfnt.c - the "sfnt" module
src/psnames/psnames.c - the Postscript Names module
src/truetype/truetype.c - the TrueType font driver
src/type1/type1.c - the Type 1 font driver
ftstream.c - stream input
However, you can create a single object file by compiling the file
`src/base/ftbase.c', which basically contains
#include <base/ftcalc.c>
#include <base/ftobjs.c>
#include <base/ftstream.c>
#include <base/ftlist.c>
#include <base/ftoutln.c>
#include <base/ftextend.c>
Similarly, each component has a single `englobing' C file to compile
it as a stand-alone object:
src/autohint/autohint.c - the autohinting module
src/base/ftbase.c - the base layer, high-level interface
src/cache/ftcache.c - a glyph and image caching system
(still experimental)
src/cff/cff.c - the OpenType font driver
src/cid/type1cid.c - the CID-keyed font driver
src/psaux/psaux.c - the PS support module
src/psnames/psnames.c - a support module to handle PS glyph
names
src/raster1/raster1.c - the monochrome raster module
src/sfnt/sfnt.c - the `sfnt' module
src/smooth/smooth.c - the anti-aliasing raster module
src/truetype/truetype.c - the TrueType font driver
src/type1z/type1z.c - the Type 1 font driver
The last module of FreeType 2, winfonts (implementing support for
Windows FNT format), is a single file.
To compile one component, do the following:
- add the top-level "include" directory to your compilation include path
- Add the top-level `include' directory to your compilation
include path
- add the "src" directory to your compilation include path.
- Add the `src' directory to your compilation include path.
- compile the component "source" file (see list below), you don't need
to be in the component's directory..
- Compile the component `source' file (see list below); you don't
need to be in the component's directory.
For example, the following line can be used to compile the truetype driver
on Unix:
For example, the following line can be used to compile the truetype
driver on Unix:
cd freetype2/
cc -c -Iinclude -Isrc src/truetype/truetype.c
@ -228,52 +224,45 @@ II. DETAILED COMPILATION PROCEDURE:
cd freetype2/src/truetype
cc -c -I../../include -I.. truetype.c
The complete list of files to compile for a feature-complete build of
FreeType 2 is:
src/base/ftsystem.c - system-specific memory and i/o support
src/base/ftinit.c - initialisation layer
src/base/ftdebug.c - debugging component (empty in release build)
src/base/ftbase.c - the "base layer" component
src/base/ftglyph.c - optional convenience functions
src/raster1/raster1.c - the monochrome bitmap renderer
src/smooth/smooth.c - the anti-aliased bitmap renderer
src/sfnt/sfnt.c - the "sfnt" module
src/psnames/psnames.c - the "psnames" module
src/truetype/truetype.c - the TrueType font driver
src/type1/type1.c - the Type 1 font driver (incl. Multiple Masters)
src/cid/type1cid.c - the Type 1 CID-keyed font driver
src/cff/cff.c - the OpenType/CFF/CEF font driver
src/winfonts/winfnt.c - the Windows FNT/FON font driver
All font drivers are optional. the "sfnt" and "psnames" modules are
mandatory for certain drivers. However, you may need to update the list
of drivers that are statically linked to the library, which is located
in the file "include/freetype/config/ftmodule.h"
III. Support for flat-directory compilation:
----------------------------------------
It is now possible to put all FreeType 2 source files into a single
directory, with the exception of the "include" hierarchy.
Note that you'll still need to only compile the 'wrapper' sources described
above. Define the "FT_FLAT_COMPILE" macro when compiling. Here's an
example:
Finally, FreeType 2 contains some other components:
src/base/ftsystem.c - system-specific memory and i/o support
src/base/ftinit.c - initialization layer
src/base/ftdebug.c - debugging component (empty in release
build)
src/base/ftglyph.c - optional convenience functions
All font drivers are optional. The `sfnt', `psaux', and `psnames'
modules are mandatory for certain drivers. However, you may need to
update the list of drivers that are statically linked to the
library, which is located in the configuration file
`include/freetype/config/ftmodule.h'.
IV. Support for flat-directory compilation
------------------------------------------
It is now possible to put all FreeType 2 source files into a single
directory, with the exception of the `include' hierarchy.
Note that you still need to only compile the `wrapper' sources
described above. Define the `FT_FLAT_COMPILE' macro when
compiling. Here an example:
1/ Copy all files in current directory:
1. Copy all files in current directory:
cp freetype2/src/base/*.[hc] .
cp freetype2/src/raster1/*.[hc] .
cp freetype2/src/smooth/*.[hc] .
etc...
cp freetype2/src/base/*.[hc] .
cp freetype2/src/raster1/*.[hc] .
cp freetype2/src/smooth/*.[hc] .
etc.
2/ Compile sources:
2. Compile sources:
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftsystem.c
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftinit.c
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftdebug.c
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftbase.c
etc...
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftsystem.c
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftinit.c
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftdebug.c
cc -c -DFT_FLAT_COMPILE -Ifreetype2/include ftbase.c
etc.
End of file

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