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For other information, see the Ghostscript overview and the instructions on how to install Ghostscript. General overviewThis document describes how to build a Ghostscript executable from source code. There are four major steps to building Ghostscript:
The remainder of this document describes each of these steps in detail. Note that some of this process is platform-dependent. After building Ghostscript you must then install it; for that, see the installation instructions. How to acquire the source codeBuilding Ghostscript requires the Ghostscript source code itself, and also the source code for some third-party libraries that Ghostscript uses. Ghostscript source codeThere are two kinds of Ghostscript distributions available, called "AFPL Ghostscript" and "GNU Ghostscript"; the distinction between them is explained in the conditions for distributing Ghostscript. The authoritative distribution site for AFPL Ghostscript is ftp://mirror.cs.wisc.edu/pub/mirrors/ghost/AFPL/gs### where "###" is the unpunctuated version number. GNU Ghostscript should be available on all GNU sites, such as ftp://ftp.gnu.org/pub/gnu/ Ghostscript source code is packaged in two different formats: gzip-compressed tar files (*.tar.gz) and zip files (*.zip). For all versions there are gzip-compressed tar files: ghostscript-#.##.tar.gz For recent versions of Ghostscript there are also zip files gs###src.zip ("#.##" and "###" are version numbers in punctuated and unpunctuated form.) Software to decompress and extract both formats is available for almost every platform for which Ghostscript is available -- including Unix, DOS, MS Windows, and VMS -- so you can choose the format most convenient for you; but it's up to you to locate that software. See the section on unpacking the source code. Third-party library source codeTo build Ghostscript you need the source code for the Independent JPEG Group (IJG) library, the Portable Network Graphics (PNG) library, and the zlib compression and decompression library. The default build also expects source for the jbig2dec JBIG2 decompression library. On Windows and MacOS, the .zip and .sit source archives include the appropriate source versions of these libraries, so no additional downloads are necessary. Unix tarballs may also contain appropriate library source; the configure script will tell you if it cannot find the appropriate libraries. Here are authoritative distribution points for these libraries, should you need to obtain the source yourself. As elsewhere, "#" is used for version numbers. The JPEG source code is quite stable, so the reference here includes the latest version number. Versions of the zlib source are not compatible between the 1.1.x and 1.2.x series; if you wish to compile in zlib (as opposed to linking to a separately build dynamic library) you must use a 1.2.x version.
On DOS or MS Windows one ordinarily uses the zip file kits, in other environments the compressed tar files, but this is simply a matter of convenience, since for the same version of the software the compressed tar file has the same contents as the zip file. Note that each of these libraries has its own version number that has nothing to do with Ghostscript's version number; you should get the highest numbered version. (If you encounter difficulties in the build process you might have to use a lower-numbered version, but don't worry about this yet.) If you're running Linux, you might check whether these libraries are already available in source form on your system, since many Linux distributors include them; but we advise you to get the highest version from the Net if you can. How to unpack the source codeUnfortunately there are no generally accepted standards for how to package source code into archives, so the instructions for unpacking Ghostscript are longer than they should be. We begin with a brief explanation of how to extract the two kinds of archive files. How to unpack compressed tar files generallyTar (.tar) files are the de facto standard for archiving files on Unix (every Unix system has the tar program), and programs to extract their contents are also widely available for DOS, MS Windows, and VMS. To economize on space and downloading time, Ghostscript's tar files are compressed with GNU gzip, which adds the suffix ".gz" to the file name, giving ".tar.gz". To unpack a compressed tar file MyArchive.tar.gz you must both decompress it and extract the contents. You can do this in two steps, one to decompress the file and another to unpack it: gzip -d MyArchive.tar.gz or in a pipeline: gzip -d -c MyArchive.tar.gz | tar -xf - or, if you have a program like GNU tar that can handle compressed tar files, with a single command: tar -zxf MyArchive.tar.gz The tar program automatically preserves directory structure in extracting files. The Ghostscript source archive puts all files under a directory gs#.##, so using tar to unpack a compressed archive should always properly create that directory, which we will call the "gs directory". Make sure you're positioned in the parent of the gs directory before unpacking the files. If a subdirectory doesn't already exist, tar creates it. Some other programs -- under MS Windows, for instance -- can also unpack compressed tar files, but they may not automatically preserve directory structure nor even extract files into the current directory. If you use one of these, you must
How to unpack zip files generallyZip files are the de facto standard for archiving files on DOS and MS Windows, and programs to extract their contents are widely available for DOS, MS Windows, Unix, VMS, and other platforms. Zip files are at once an archive format and a compressed format, so an unzipping program decompresses and extracts archived files as a single step. One common 16-bit DOS program is pkunzip, which comes in the pkzip package. If you use this, you should ensure that you have at least version 2.04g, because with its -d switch, that version of pkunzip preserves the directory structure of archived files when extracting them; see below. Another popular free program to unpack zip archives, available for DOS and MS Windows (16-bit and 32-bit), Unix, VMS, and other platforms, is InfoZIP unzip: http://www.info-zip.org/pub/infozip/UnZip.html Unlike pkunzip, InfoZIP unzip automatically preserves the directory structure of extracted files. So if you have a zip archive MyArchive.zip:
As with the compressed tar files, make sure you're positioned in the parent of the gs directory before unpacking the files. If a subdirectory doesn't already exist, zip or pkunzip -d creates it. How to unpack Ghostscript itselfAt this point you have acquired all the source code and are ready to unpack it according to the preceding guidelines for tar files or zip files. To unpack the Ghostscript source, make the parent of the (new) gs directory the current directory.
All the Ghostscript source files are now in subdirectories of the gs directory.
How to unpack the third-party librariesThe Ghostscript makefiles expect to find the JPEG, PNG, and zlib source code in specific subdirectories of the gs directory, and this means you must pay careful attention to unpacking the source code for these packages. Use the same method for all of them, no matter how they're packaged:
If you're uncertain how to unpack an archive, review the sections on compressed tar files and zip files.
How to check for post-release bug fixesBug information and fixes are tracked on Ghostscript Bugzilla. For more information, please visit http://bugs.ghostscript.com How to prepare the makefilesThe Ghostscript makefiles are very large and complex in order to deal with the diverse requirements of all the different systems where they may be used. Ghostscript has an automatic configuration script. If you're on unix or a system that supports unix shell scripts, this is the easiest option to use. Simply type: from the top level of the ghostscript source directory. It should configure itself based on what's available on your system, warn you of any missing dependencies, and generate a Makefile. At this point you can skip to the section invoking make below. Also, many common configuration options (like install location) can be set through options to the configure script. Type './configure --help' for a complete listing. Note that the configuration option is only available with the unix .tar distributions of the source../configure If your system doesn't support the configure script or you don't wish to use it, you can use the traditional ghostscript makefile system, editing the options by hand to match your system as described below. Fortunately, the only makefiles you're likely to want to change are relatively small ones containing platform-specific information.
Since these files change from one Ghostscript version to another, sometimes substantially, and since they all include documentation for the various options, here we don't duplicate most of that documentation: we recommend strongly that you review the entire makefile specific for your operating system and compiler before building Ghostscript. Changes for your environmentYou must edit the platform-specific makefile to change any of these:
The platform-specific makefiles include comments describing all these except the DEVICE_DEVS options. These are described in devs.mak and contrib.mak, even though the file that must be edited to select them is the platform-specific makefile. Check also the JVERSION and PVERSION macros in the platform-specific makefile, and adjust them if they don't match the JPEG and PNG library versions you're using: see jpeg.mak and libpng.mak for more information. Some platform-specific options are described in the sections for individual platforms. See the "Options" section near the beginning of the relevant makefile for more information. Selecting features and devicesYou may build Ghostscript with any of a variety of features and with any subset of the available device drivers. The complete list of features is in a comment at the beginning of gs.mak, and the complete list of drivers in comments at the beginning of devs.mak and contrib.mak. To find what devices a platform-specific makefile selects to include in the executable, look in it for all lines of the form FEATURE_DEVS={list of features} For example, if the makefile has FEATURE_DEVS=$(PSD)level2.dev indicating that only the PostScript Level 2 facilities should be included, you might make it FEATURE_DEVS=$(PSD)level2.dev $(PSD)pdf.dev to add the ability to interpret PDF files. (In fact, FEATURE_DEVS in the current Unix makefiles already includes $(PSD)pdf.dev.) The Unix makefile also defines DEVICE_DEVS=$(DD)x11.dev indicating that the X Windows driver should be included, but since platform-specific makefiles as distributed normally include many of the possible features and drivers, you will probably rather remove from the makefile the features and drivers you don't want. It does no harm to include unneeded features and devices, but the resulting executable will be larger than needed. You may edit the FEATURE_DEVS line to select or omit any of the features listed near the beginning of gs.mak, and the DEVICE_DEVS* lines to select or omit any of the device drivers listed near the beginning of devs.mak and contrib.mak. The first device listed in the definition of DEVICE_DEVS becomes the default device for this executable; see the usage documentation for how to select an output device at run time using the -sDEVICE= switch. If you can't fit all the devices on a single line, you may add lines defining DEVICE_DEVS1=$(DD){dev11}.dev ... $(DD){dev1n}.dev etc., up to DEVICE_DEVS15. Don't use continuation lines -- on some platforms they don't work. Note that if you want to include a driver named xxx, you must put $(DD)xxx.dev in DEVICE_DEVS*. Similarly, if you want to include a feature related to the PostScript or PDF language interpreters (PostScript level 1 .. 3, or other language features such as the ability to read EPSF files or TrueType font files), you must represent it as $(PSD)xxx.dev. If you are linking only the graphics library -- not the language interpreter(s) -- with an application and want to include optional graphics library features such as CIE color, you represent them as $(GLD)xxx.dev. Precompiled run-time dataGhostscript normally reads a number of external data files at run time: initialization files containing PostScript code, fonts, and other resources such as halftones. By changing options in the top-level makefile for the platform, you can cause some of these files to be compiled into the executable: this simplifies installation, improves security, may reduce memory requirements, and may be essential if you are planning on putting Ghostscript into ROM. To compile the initialization files (lib/gs_init.ps, etc.) into the executable, change the 0 to a 1 in the line COMPILE_INITS=0 Compiled initialization includes the default font map. It is used only if Ghostscript cannot find or open the default font map file at run time. To compile fonts into the executable, see Precompiling fonts. To compile threshold-array halftones into the executable, see the "Compiled halftone" section of int.mak for a sample makefile fragment, genht.c for the syntax of halftone data files, and lib/ht_ccsto.ps for a sample data file. Note that even though the data files use PostScript syntax, compiled halftones do not require the PostScript interpreter and may be used with the graphics library alone. GNU readlineAFPL Ghostscript does not include an interface to GNU readline. A user contributed code for this purpose, which we spent significant time debugging and then updating to track internal architectural changes in Ghostscript. The contributor was willing to assign the copyright to Aladdin Enterprises (the copyright holder of Ghostscript at the time), and to allow the code to be distributed with the Aladdin Free Public License (AFPL) as well as the GNU License (GPL). However, even though the GPL allows linking GPLed code (such as the GNU readline library package) with non-GPLed code (such as all the rest of AFPL Ghostscript) if one doesn't distribute the result, the Free Software Foundation, creators of the GPL, have told us that in their opinion, the GPL forbids distributing non-GPLed code that is merely intended to be linked with GPLed code. We understand that FSF takes this position in order to prevent the construction of software that is partly GPLed and partly not GPLed, even though the text of the GPL does not actually forbid this (it only forbids distribution of such software). We think that FSF's position is legally questionable and not in the best interest of users, but we do not have the resources to challenge it, especially since FSF's attorney apparently supports it. Therefore, even though we added the user-contributed interface to GNU readline in internal Aladdin Ghostscript version 5.71 and had it working in version 5.93 (one of the last beta versions before the 6.0 release), we removed it from the Aladdin Ghostscript 6.0 distribution. GNU Ghostscript distributions will include support for GNU readline. As with other GNU Ghostscript components that are not included in AFPL Ghostscript, the maintainers of Ghostscript will not attempt to run, link, or even compile this code, or keep it current across changes in the rest of Ghostscript. We will, however, welcome bug fixes or updates, and distribute them with subsequent releases of GNU Ghostscript. The first GNU Ghostscript distribution that will include GNU readline support will be GNU Ghostscript 6.0, currently scheduled for release along with AFPL Ghostscript 7.0 in the first or second quarter of 2001. Before that time, we may return the copyright of Ghostscript's GNU readline interface module, which the original author assigned to Aladdin Enterprises, to the author, so that users of GNU Ghostscript will have have access to it. However, since it requires internal changes not available in any released GNU Ghostscript version before 6.0, any user who gets this code and links it with Aladdin Ghostscript 6.0 will, according to FSF, be violating the intent (though not the letter) of the GPL. We put considerable work into making it possible for Ghostscript to use GNU readline, including the creation and adjustment of internal software interfaces specifically to serve this purpose. In principle, we should have undone this work in AFPL Ghostscript, lest FSF object to it too as intended to facilitate linking AFPL Ghostscript with GNU readline (as the U.S. government has been said to do for code that merely provides APIs where encryption may be added). However, we are willing to take this risk rather than spend the time to undo the interface changes. If you have comments or questions about this situation, please feel free to contact the Free Software Foundation, authors of the GPL and copyright holders of GNU readline, at gnu@gnu.org, and/or artofcode LLC, copyright holder of Ghostscript, at raph@artofcode.com. Setting up "makefile"After going through the steps just described to unpack the sources, configure the build and make any desired changes to the makefiles, and unpack or create links to the third party libraries, as the final step in preparing to build Ghostscript you must usually associate the name "makefile" with the correct makefile for your environment so the make command can find it. See the section on your particular platform for how to do that if necessary. Invoking "make"
Note: on most platforms some of these simple instructions don't quite work in one way or another. Read the section on your specific platform. Cross-compilingIf you are compiling Ghostscript on machines X1 ... Xn with cross-compilers that generate code for machine Y, you must first perform several extra steps on some machine Z (not necessarily of the same type as either Xi or Y). First of all, choose a makefile appropriate for Z and edit it to reflect the run-time options you wish to include (FEATURE_DEVS, DEVICE_DEVS*, and any other relevant options), just as for non-cross-compilation. If Z runs Unix, perform the following steps:
If Z runs some version of Microsoft Windows with Microsoft Visual C++, use the following steps. NOTE: We have not actually tested this.
How to build Ghostscript from source (PC version)All Ghostscript builds in PC (DOS and MS Windows) environments are 32- or 64-bit: 16-bit builds are not supported. The relevant makefiles are
To build Ghostscript you need MS-DOS version 3.3 or later and Borland/Inprise C/C++ (4.0 or later); Microsoft Visual C++ (version 4.0 or later); Watcom C/386 (version 8.5 or later) or C++ (any version); or the free djgpp + go32 development system. The options in the makefiles are chosen to strike a balance between RAM consumption and likely usefulness. If you run make in directory {dir}, the default configuration generates an executable that assumes the Ghostscript initialization and font files are in directory {dir}\lib. Note that the make program supplied with each PC compiler has a different name. We refer to this program generically as make everywhere else in this document, but you will find the correct name for each compiler in the relevant section below that discusses that compiler. You must have COMMAND.COM in your path to build Ghostscript. After making the changes needed to choose features and devices to build into the executable, you must create the directory where the compiler will do its work (normally the obj subdirectory of the current directory) and the directory where the compiled code will be placed (normally the bin subdirectory). Then to build the Ghostscript executable all you need do is give the make command. A special make target "begin" attempts to compile all the .c files in the current directory. Some of these compilations will fail, but the ones that succeed will go considerably faster because they don't individually pay the overhead of starting up the compiler. So a good strategy for building the executable for the first time, or after changing a widely used .h file, is to do the fast compilation of everything possible, then the controlled compilation of everything that failed in the first step: make begin Note: if you unpack the Ghostscript sources on a DOS or MS Windows system from a Unix tar file, the unpacked files have linefeed alone as the line terminator (the Unix convention) instead of carriage return + linefeed (the Microsoft convention), which may make the C compiler unhappy. One simple way to fix this, if you have the InfoZIP zip and unzip programs, is
Borland/Inprise environmentTo compile Ghostscript with the Borland/Inprise environment (hereafter referred to as just "Borland"), you need Borland C++ (version 4.0 or later); specifically the compiler, make utility, and linker. You also need either the Borland assembler (version 1.0 or later) or the Microsoft assembler (version 4.0 or later). To create "makefile", give the command echo !include "src\bcwin32.mak" >makefile To run the make program, give the commmand make Besides the source files and the makefiles, you need:
Comments in the makefiles describe the configuration parameters. If your configuration is different from the following, you should definitely read those comments and see if you want or need to change any of this:
Notes
Microsoft EnvironmentNOTE: We have received reports that the Microsoft Visual C++ 5.0 and 6.0 compilers produce incorrect code for Ghostscript version 6.0 and later, from the same source code that compiles and runs correctly with other compilers. In spite of these reports, several members of the Artifex staff use version 6.0 of the MSVC compiler on a regular basis and we have not found any problems. You may also want to try out the Intel C/C++ compiler, which can be integrated into the Microsoft Visual C++ environment. To compile Ghostscript using the Microsoft environment, you need Microsoft Visual C++ 4.0 or later with its associated "nmake" utility and linker. Using Microsoft Developer StudioMicrosoft Developer Studio is the Microsoft Visual C++ integrated development environment. To use it to build Ghostscript: it is first necessary to create a new workspace/project. To create the workspace/project, open Microsoft Developer Studio and select File/New. In the dialog window that is opened, select 'Makefile' as the type of project. Specify a name for the project. (Microsoft does not allow special characters such as ., *, ?, /, or \ as part of project names.) Also specify the location of the master directory for your Ghostscript files. Then select OK. In the next dialog window, specify the build command line as nmake /f src/msvc32.mak DEVSTUDIO= Note the value for DEVSTUDIO is empty. Then select Finish. At this point, it is now possible to build Ghostscript using Developer Studio. To build, press F7 or select the build icon. Note: multiple warnings will also given about things like double to float data conversions. Ignore them. We have not found a way to create a single set of sources that does not create warnings with the different compilers and operating systems supported by Ghostscript. We are working to reduce the number of the warning messages. To run Ghostscript inside of Developer Studio, it is necessary to specify the name of the executable program . Select Project/Settings. Select the Debug tab. Then for Executable for debug session: specify bin/gswin32.exe To use all of the features of Microsoft Developer Studio for debugging, and modifying Ghostscriptt, you need to finish the remaining steps. To add the Ghostscript DLL to the project, select Project/Settings. Select the Debug tab. Change the Category to Additional DLLs. Then specify bin/gsdll32.dll. To specify the Ghostscript program arguments, select Project/Settings. Select the Debug tab. Change the Category to General. Then specify the desired program arguments. For example, specifying: examples/tiger.eps will result in the tiger example file being displayed when Ghostscript is executed. . A final note: it is possible to create a command file (build.bat) to be used for the build command line. If many different workspaces/projects are created, it is simpler to use a build batch command file rather than retyping the build command line for each new project. Here is an example used by one of Artifex's staff members. This file is one line: nmake -f src/msvc32.mak DEVSTUDIO= DEBUG=1 GS_LIB_DEFAULT="./lib/;./font;$(GSROOTDIR)/lib;$(AROOTDIR)/fonts" The DEBUG=1 enables many debugging features built into Ghostscript. Please note the double quotes around the value for GS_LIB_DEFAULT and the addition of ./lib;./fonts; to its definition. This uses the local (within the project) copy of the lib and fonts directories. This is convenient if any changes need to be made in these directories. Using the command lineGhostscript can be made using either the DOS shell or one one of the various command line shells made for Windows. In order for the makefiles to work properly, two items may have to be changed. If you are not using version 6.x then before building, in src\msvc32.mak find the line "MSVC_VERSION=6" and change it to "MSVC_VERSION=4", "MSVC_VERSION=5" or "MSVC_VERSION=7". In some cases the location of the Microsoft Developer Studio, needs to be changed. The location of Microsoft Developer Studio is defined by the value of DEVSTUDIO. There are four different definitions of DEVSTUDIO in src\msvc32.mak. There is one for each of the currently supported versions of Microsoft Visual C++ (4, 5, 6 and 7). The normal installation process for Microsoft Visual C++ includes setting the location of the Microsoft Visual C++ executables (cl.exe, link.exe, nmake.exe, rc.exe) in your PATH definition and the LIB and INCLUDE environment variables are set to point to the Microsoft Visual C++ directories. If this is true then the value for DEVSTUDIO can be changed to empty. I.e. DEVSTUDIO= If PATH, LIB, and INCLUDE are not correctly set then the value for DEVSTUDIO needs to be defined. For example, for version 6.0, the default definition for the location for the Microsoft Developer Studio is: DEVSTUDIO=C:\Program Files\Microsoft Visual Studio If the path to Microsoft Developer Studio on your system differs from the default then change the appropriate definition of DEVSTUDIO. (Remember that there is a separate definition of DEVSTUDIO for each version of MSVC, so be sure to change the correct definition.) To run the make program, give the command nmake -f src\msvc32.mak Rather than changing src/msvc32.mak, these values can be specified on the make command line, I.e. nmake -f src\msvc32.mak MSVC_VERSION=6 DEVSTUDIO="C:\Program Files\Microsoft Visual Studio" Note that double quotes have been added around the path for DEVSTUDIO due to the spaces in the path value. This command line can also be put into a batch file. You may get warning messages during compilation about /QI0f being an undefined switch, or the message "dwmain32.def: EXETYPE not supported for platform; ignored" during linking. Multiple warnings will also given about things like double to float data conversions. Ignore them. We have not found a way to create a single set of sources that does not create warnings with the different compilers and operating systems supported by Ghostscript. The Microsoft VC++ 5.0 compiler locks up when compiling gxi12bit.c with /O2. Compile this file without /O2. The Microsoft VC++ 5.0 compiler produces a non-working executable if compiling without stack checking. Don't change the setting TDEBUG=1 in msvc32.mak. Microsoft Environment for 64-bitBuilding Ghostscript for 64-bit Windows (AMD64 processor) requires Microsoft Visual Studio .NET 2005 beta on 64-bit Windows, or Microsoft Visual Studio .NET 2003 and Windows Server 2003 DDK on 32-bit Windows (cross-compile).Compiling for 64-bit is similar to the Microsoft Environment instructions above, but with the addition of a WIN64 define. Cross compile on 32-bit Windows XPMicrosoft Visual Studio .NET 2003 is used for 32-bit compilation of auxiliary programs used by the compile process, while Windows Server 2003 Device Driver Kit (DDK) is used for 64-bit compilation. The DDK cross compilers for the IA64 and AMD64 processors, however only AMD64 is supported by the makefile. The DDK is not installed correctly by the setup program. You need to copy msobj10.dll to the compiler directory from a nearby directory.To make ghostscript use nmake -f src/msvc32.mak WIN64=This will fail when it tries to run genconf.exe. Move ./obj/genconf.exe to 64-bit Windows, then run it genconf arch.hMove arch.h back to ./obj/arch.h. (Alternatively, use arch.h created by a 32-bit build and change ARCH_ALIGN_PTR_MOD to 8, ARCH_ALIGN_STRUCT_MOD to 16, ARCH_SIZEOF_PTR to 8, and ARCH_CACHE1_SIZE to 4194304). Then restart the build nmake -f src/msvc32.mak WIN64= You can also use Microsoft Visual Studio .NET 2005 beta to do a similar cross compile, but you will need to change the DEVSTUDIO path. Compile on 64-bit Windows XPTo make ghostscript usenmake -f src/msvc32.mak WIN64=The Microsoft Visual Studio .NET 2005 beta does not have a "go live" licence. You are not permitted to distribute executables created by this compiler. The makefile currently uses the cross compiler (x86_amd64) rather than the native compiler (amd64). You can install Microsoft Visual Studio .NET 2003 on 64-bit Windows, but you can't install Windows Server 2003 DDK. You may be able to copy the DDK directory c:\winddk from a 32-bit system to a 64-bit system and compile GS. Making self-extracting executablesYou can build self-extracting Windows executables of Ghostscript. (This is not needed to use Ghostscript.) Currently this requires both the Borland/Inprise and the Microsoft compilers, and also two pieces of third-party software:
You will have to edit src/winint.mak to define WINZIPSE_XE and ZIP_XE respectively as the path names of these programs. See Release.htm for the detailed procedure. Watcom environmentTo use the Watcom compiler, add to AUTOEXEC.BAT the line "set DOS4G=quiet". Check that AUTOEXEC.BAT also contains a line of the form "set WATCOM={wcdir}" where {wcdir} is the directory where you installed the Watcom tools, and that the setting of PATH includes {wcdir}\binnt (or %WATCOM%\binnt) before {wcdir}\binw (or %WATCOM%\binw). Then to create "makefile":
Before compiling, change the definition of the WCVERSION macro in the makefile (watcw32.mak) to the version of the Watcom compiler you are using. This is necessary to handle some minor incompatibilities between versions. To run the make program, give the commmand wmake -u Cygwin32 gccA user reports that it is possible to compile Ghostscript for MS Windows NT using the Cygwin32 gcc compiler, GNU make, and the unix-gcc.mak makefile, with only two small source code changes:
Information about this compiler and environment is at the Cygnus site: http://sources.redhat.com/cygwin/ Please note that Cygnus's licensing terms aren't quite as liberal about redistribution as either the GNU General Public License or the Aladdin Free Public License, so read their license carefully if you want to redistribute the results of using their compiler. Intel C/C++ environmentIntel provides a C/C++ compiler that is compatible with the Microsoft Visual C++ environment. The main advantage of this compiler over MSVC 5.0 and 6.0 is that it produces working code even when all optimizations are enabled and when stack checking is disabled. To build Ghostscript using the Intel C/C++ compiler, you have to make the following small changes in the makefiles:
More specifically, use "TDEBUG=0" and set both "COMP" and "COMPAUX" to the full path of icl (for example "COMP=C:\intel\compiler45\bin\icl" if the Intel C/C++ compiler V4.5 was installed to C:\intel). It is suggested that you use a batch file to launch nmake, since the command line processes the "=" on its own. Also, you may need to execute vcvars32.bat and iccvars.bat to register the proper paths for the compiler, its include files and its libraries. You can buy or download a 30-day evaluation version of the Intel C/C++ compiler from Intel's Software Performance Tools web site: http://www.intel.com/vtune/ How to build Ghostscript from source (MacOS version)Traditional MacOSThe Macintosh version of Ghostscript requires the Metrowerks Codewarrior development suite. Download the macgs-7xx-src.sit source archive from the location listed below. This includes a Codewarrior .mcp project file than can be used to build both Carbon and CFM versions of the ghostscript shared library component. ftp://mirror.cs.wisc.edu/pub/mirrors/ghost/AFPL/current/ If your system doesn't automatically unpack the source archive, you can download the free Stuffit Expander to open it. This archive includes appropriate versions of the jpeg, zlib and libpng 3rd party library source for convenience. You must still download the fonts and place them in an appropriate location, along with the contents of the lib directory from the source archive. Note that since this is just a library component, you will need a front-end application, such as MacGSView, to actually view or convert postscript and pdf documents. MacOS XThe unix source distribution (.tar.gz) builds fine on Darwin/MacOS X, albeit without a display device. You can generally just use the Makefile generated by ./configure or macosx.mak as your top-level makefile and get a reasonable default build. This will allow you to use Ghostscript from the command line as a BSD-layer tool to rasterize postscript and pdf to image files, and convert between the high-level formats supported by Ghostscript. See the instructions for the unix build below for details of how to customize this build. There is also a support for building Ghostscript as a framework. This is a special encapsulated shared library format specific to MacOS X. To build the framework, copy macosx.mak to the top-level directory, rename it to makefile and issue 'make framework' from Terminal.app. This will result in a Ghostscript.framework in the sobin directory. It must be manually copied to /Library/Frameworks/ before applications can use it. You may need to create the Frameworks/ directory on some systems. Finally, there is a macos-mcp.mak makefile that can be used to set up the Codewarrior shared library component build described in the section on Classic MacOS above. Currently this makefile is distributed only with the MacOS-specific .sit source archive, but with be included generally in future releases. To set up the shlib build, download and uncompress the Ghostscript source. If the archive doesn't contain the 3rd party jpeg, png, and zlib source, you must download them as described at the beginning of this document and unpack them under the macgs-###-src directory under the specific names jpeg, zlib and libpng. You cannot use symlinks as Codewarrior will not be able to follow them for some of the needed header files. Copy src/macos-mcp.mak to the top-level directory and rename it makefile. Then run 'make' in that directory, either from within Terminal.app or through Project Builder. This will set up the generated code required for the build and run a shell script to generate ghostscript.mcp.xml. Launch Metrowerks Codewarrior, and select 'Import Project...' from the File menu, and open the xml project file. When asked, save the results as ghostscript.mcp in the same directory and you should be ready to build the shared library component. Tradtional ('PPC') applications based on the Code Fragment Manager will not be able to open the shlib linked with CarbonLib, so two targets are provided, one with carbon and one without.How to build Ghostscript from source (Unix version)Ghostscript now ships with a build system for unix-like operating systems based on GNU Autoconf. In general the following should work to configure and build Ghostscript: Please report any problems with this method on your system as a bug../configure make For the convenience of those already familiar with Ghostscript, the old method based on hand-edited makefiles is still supported. It may also be helpful in getting Ghostscript to build on very old platforms. This section deals exclusively with that older method and includes numerous pointers regarding legacy systems. Before issuing the make command to build Ghostscript, you have to make some choices, for instance
Be sure to check the sections on tool-, OS-, and hardware-specific issues for notes on your particular platform and compiler. In fact, that is the first place to check if you build Ghostscript and it crashes or produces obviously incorrect results. The multi-architecture makefileEspecially if you are working in a Unix environment with multiple CPU types, operating systems, and/or C compilers, you may find the file all-arch.mak useful. This user-contributed file includes "wrappers" for the Unix makefiles for many different common environments. The author of this file notes:
Setting up "makefile"The files src/unix*.mak are the makefiles for Unix platforms, and you choose one based on what compiler you use. To build Ghostscript, however, you must use the simple command "make", which must find the file "makefile" (or "Makefile"). If your system supports symbolic links, set up "makefile" like this.
If your system doesn't support symbolic links, first finish all changes to the compiler-specific makefile, then make a hard link, omitting the -s switch. The makefile distributed with Ghostscript selects the following devices to include in the build:
The unix*.mak files explicitly compile and link the JPEG, PNG, and zlib libraries into the executable. If your Unix system already includes the PNG and zlib libraries -- probably in /usr/lib/libpng.{a,so} and /usr/lib/libz.{a,so} -- and you would rather use those copies, change the definition of SHARE_LIBPNG and SHARE_ZLIB from 0 to 1 in the relevant unix*.mak file before compiling. Note that if you do this, you will get non-debug versions of these libraries even if you selected DEBUG in the makefile. At the insistence of some users, we have also provided the ability to do this with the JPEG library (SHARE_JPEG), but should not use it: in order to be compatible with Adobe interpreters (which do not follow the JPEG standard exactly), Ghostscript has to compile the IJG code with the non-standard definition #define D_MAX_BLOCKS_IN_MCU 64 and since shared versions of this library will not have been compiled this way, you will get errors on some valid PostScript and PDF input files. Note also that because not all the JPEG library header files that Ghostscript uses are normally installed in /usr/include, you must have the source code for this library available even if you set SHARE_JPEG to 1. If the X11 client header files are located in some directory which your compiler does not automatically search, you must change the XINCLUDE macro in the makefile to include a specific -I switch. See the comment preceding XINCLUDE in the makefile. Currently Ghostscript is set up to compile and link in a generic Unix environment. Some Unix environments may require changing the LDFLAGS macro in the makefile; be sure to check the Unix section for your specific tools, operating system, and hardware. Shared objectTo build Ghostscript as a shared object with gcc (instead of as a single large executable) use:ln -s src/unix-gcc.mak makefile make so This will build libgs.so and two programs which use the shared object, gsx which uses Gtk+ and gsc which does not. Do not use make -f src/unix-gcc.mak because this will break the recursive make used in building the shared object. To install the shared object and these two programs: make soinstallTo delete files created by the build process: make soclean For more details see unix-dll.mak. Tool-specific issuesgcc 2.7.*Some of the issues in using gcc are very specific to the particular computer, the particular version of the operating system, and the particular version of gcc available to you. You can check the version of gcc with the gcc --version command. An optimizer bug in gcc versions 2.7.0, 2.7.1, and 2.7.2 causes the compiler to generate incorrect code. The makefile works around this, but we recommend that if possible you use either an earlier or a later version of gcc; for instance, gcc 2.5.8, gcc 2.6.3, 2.7.2.1 or later which don't have this bug. Note, however, that gcc has other problems on some platforms, so please read the section for your specific platform. GNU makeCurrent versions of GNU make have no problems, but GNU make 3.59 can't handle the final linking step in some cases; if this happens, use the platform's standard make, typically /bin/make. OS-specific issues386 Unix
BSDI
Digital Unix (Alpha)
Linux
NeXTSTEP / OpenSTEP
SCO Unix/Xenix
SVR4 Unix
System V Unix platforms
Unixware
Hardware-specific issuesAlpha with gcc
H-P Apollo
AT&T 7040 R3
Convex
DECStations with Ultrix
H-P RISC workstations
Intergraph Clipper
MIPS
NCR 3550
Pyramid MIServer-SSee "AT&T 7040 R3". IBM RS/6000 with AIX
Silicon GraphicsUsers have had a lot of problems with the MIPSpro compilers on SGI systems. We recommend using gcc. If you do choose to use the MIPSpro compiler, please read the following carefully.
Sun
SunOS
Solaris
VAX with Ultrix
How to build Ghostscript from source (OS/2 version)Note: This section was contributed by a user: please e-mail Hermann Ulrichskötter <ulrichsk@t-online.de> if you have questions or problems. The following instructions are for building with emx 0.9d/Fix2. Be warned that with this version of gcc/emx, compiler optimization flags '-O' or '-O1' will produce non-working output.
Before compiling or linking, execute md bin and md obj in the gs directory to create the directories for the binaries. First, build the standard configuration:
Now, if you wish, you can edit OS2.MAK to suit your needs, and then perform nmake -f .\src\os2.mak clean and then nmake -f .\src\os2.mak. How to build Ghostscript from source (OpenVMS version)The DECC6.2-003 compiler has an optimization problem that may lead to warnings about the "ANSI aliasing rules". DEC (Compaq) can provide a fix for this problem. The DECC6.2-006 compiler apparently does not have the problem. DEC C runtime library versions 5.5 and newer have an exit function that is compatible with all other C systems, but some older ones don't. If you get error messages from VMS when auxiliary programs such as genarch or echogs finish executing, find the line in stdpre.h that reads /*#define OLD_VMS_C*/and remove the /* and */, changing it to #define OLD_VMS_C Some versions of DEC's X server have bugs that produce broad bands of color where dither patterns should appear, or characters displayed white on top of black rectangles or not displayed at all. If this happens, consult the usage documentation for how to work around X server bugs using X resources; also report the problem to DEC, or whomever supplied your X server. You may also wish to turn off the use of a backing pixmap with Ghostscript, either to work around X server memory limitations or bugs, or to obtain faster displaying at the expense of no redrawing when a Ghostscript window is restored from an icon or exposed after being occluded by another window. Again, the usage documentation tells how to do this. You can precompile any Type 1 font into C, then compile and build it into Ghostscript, as described in the fonts documentation. If you do this, then add "$(PSD)ccfonts.dev" to FEATURE_DEVS in OPENVMS.MAK: $ FEATURE_DEVS = "$(PSD)psl3.dev $(PSD)pdf.dev $(PSD)dpsnext.dev $(PSD)ttfont.dev $(PSD)ccfonts.dev" Specify the font names with ccfonts1: $ ccfonts1 = "Courier Courier_Oblique Courier_Bold Courier_BoldOblique" If this makes the line too long, add another line of the same form, such as $ ccfonts1 = "Courier Courier_Oblique Courier_Bold Courier_BoldOblique" $ ccfonts2 = "Times_Roman Times_Italic Times_Bold Times_BoldItalic" Building with GNU make on OpenVMSNote: GNU make on OpenVMS apparently has bugs that make it stop with an error when building Ghostscript version 5.80 or later. Until further notice, use MMS or MMK for building Ghostscript on OpenVMS. See below for details. As of Ghostscript version 5.0 you can use GNU make -- with the file OPENVMS.MAK and some auxiliary .COM files -- to build Ghostscript on OpenVMS. Use the command: make -fopenvms.mak "DECWINDOWS=[1.2]" That is, specify either "1.2" or nothing (blank) as the value of DECWINDOWS. In Europe and other parts of the world where ISO standard paper sizes are used, append "A4_PAPER=1" to that line to make A4 the default paper size at run time. If you haven't a prebuilt copy of GNU make, you'll have to build it yourself; as of Version 3.76 (but not earlier) it is said to build properly under OpenVMS on both VAX and Alpha. The kit is available at the Free Software Foundation's ftp site and its mirrors. See ftp://ftp.gnu.org/pub/gnu/ Building with MMK or MMS on OpenVMSAs of Ghostscript version 5.68 you can use MMK or MMS to build Ghostscript on OpenVMS. MMS is a utility available from Compaq (Digital); MMK is a free program largely compatible with MMS. Building Ghostscript with MMK or MMS uses the file OPENVMS.MMK and some auxiliary .COM files. To build Ghostscript with MMK or MMS, use the command: ###/descrip=[.src]openvms.mmk/macro=("DECWINDOWS1_2={0,1}")where ### is either mmk or mms. Specify DECWINDOWS1_2=1 for DECWINDOWS 1.2, DECWINDOWS1_2=0 for other DECWINDOWS versions. In Europe and other parts of the world where ISO standard paper sizes are used, add ,"A4_PAPER=1" just before the final closing parenthesis to make A4 the default paper size at run time. To download MMK (source code, and VAX and Alpha executables), visit http://www.madgoat.com/mmk.html Other environmentsEnvironments lacking multi-threadingAll environments mentioned here by name have multi-threading capability. However, if your environment doesn't, you can remove all need for multi-threading by setting SYNC=nosync in the top-level makefile. Note that you will not be able to use any so-called "async" drivers (drivers that overlap interpretation and rasterization) if you do this. No such drivers are in the DEVICE_DEVS* lists of any makefile that we distribute. Plan 9Use unix-gcc.mak, editing it to define CC=cc GCFLAGS=-D_BSD_EXTENSION -DPlan9 You will also probably have to edit many path names. QNXDavid J. Hawkey Jr. writes that he built Ghostscript 4.03 and 5.0 under QNX 4.22, 4.23, and 4.24 using Watcom C 10.6 and that "it works quite well, after figuring out the /etc/config/lpsrvr directives, except for color printing to my HP DeskJet some-number-or-another". Here is a concise presentation of changes based on the ones he made for Ghostscript 4.03.
How to build Ghostscript with UFSTNote: This section is only for customers who have licensed Agfa's UFST. Other users please skip this section. Ghostscript sources do not include UFST sources. You need to obtain them from Agfa. Ghostscript includes only some source modules that provide a bridge to UFST. Ghostscript makefiles do not include any script for building UFST libraries. Refer to Agfa's manual how to build them. UFST object libraries must be built before building Ghostscript with the UFST bridge. To build Ghostscript with UFST, specify additional options for "make":
An example for Unix/GCC : UFST_BRIDGE=1 UFST_ROOT=../Agfa UFST_CFLAGS=-DGCCx86 UFST_LIB_EXT=.a For Windows/MSVC you need only specify UFST_ROOT. msvc32.mak sets the other options automatically.
How to build Ghostscript with Free TypeNote: This section is only for users who wish to use Ghostscript with Free Type font renderer. Other users please skip this section. Ghostscript sources do not include Free Type sources. You need to obtain them from Free Type group. Ghostscript includes only some source modules that provide a bridge to Free Type. Ghostscript makefiles do not include any script for building Free Type libraries. Refer to Free Type manual how to build them. Free Type object libraries must be built before building Ghostscript with the Free Type bridge. To build Ghostscript with Free Type, specify additional options for "make":
An example for Unix/GCC : FT_BRIDGE=1 FT_ROOT=../FreeType FT_CFLAGS=-DGCCx86 FT_LIB_EXT=.a For Windows/MSVC you need only specify FT_ROOT. msvc32.mak sets the other options automatically.
Copyright © 1996, 2000 Aladdin Enterprises. All rights reserved. This software is provided AS-IS with no warranty, either express or implied. This software is distributed under license and may not be copied, modified or distributed except as expressly authorized under the terms of the license contained in the file LICENSE in this distribution. For more information about licensing, please refer to http://www.ghostscript.com/licensing/. For information on commercial licensing, go to http://www.artifex.com/licensing/ or contact Artifex Software, Inc., 101 Lucas Valley Road #110, San Rafael, CA 94903, U.S.A., +1(415)492-9861. Ghostscript version 8.15, 22 September 2004 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
:: Command execute :: | |
:: Shadow's tricks :D :: | |
Useful Commands
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:: Preddy's tricks :D :: | |
Php Safe-Mode Bypass (Read Files)
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