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3e26bde6db
* Apply changes from Paul Eggert. * Many other cleanups (index/rindex --> strchr/strrchr, etc.)
95 lines
3.6 KiB
Text
95 lines
3.6 KiB
Text
-*-indented-text-*-
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GNU make can utilize the Customs library, distributed with Pmake, to
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provide builds distributed across multiple hosts.
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In order to utilize this capability, you must first download and build
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the Customs library. It is contained in the Pmake distribution, which
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can be obtained at:
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ftp://ftp.icsi.berkeley.edu/pub/ai/stolcke/software/
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This integration was tested (superficially) with Pmake 2.1.33.
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BUILDING CUSTOMS
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----------------
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First, build pmake and Customs. You need to build pmake first, because
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Customs require pmake to build. Unfortunately, this is not trivial;
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please see the pmake and Customs documentation for details. The best
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place to look for instructions is in the pmake-2.1.33/INSTALL file.
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Note that the 2.1.33 Pmake distribution comes with a set of patches to
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GNU make, distributed in the pmake-2.1.33/etc/gnumake/ directory. These
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patches are based on GNU make 3.75 (there are patches for earlier
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versions of GNU make, also). The parts of this patchfile which relate
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directly to Customs support have already been incorporated into this
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version of GNU make, so you should _NOT_ apply the patch file.
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However, there are a few non-Customs specific (as far as I could tell)
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changes here which are not incorporated (for example, the modification
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to try expanding -lfoo to libfoo.so). If you rely on these changes
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you'll need to re-apply them by hand.
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Install the Customs library and header files according to the
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documentation. You should also install the man pages (contrary to
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comments in the documentation, they weren't installed automatically for
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me; I had to cd to the ``pmake-2.1.33/doc'' directory and run ``pmake
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install'' there directly).
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BUILDING GNU MAKE
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-----------------
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Once you've installed Customs, you can build GNU make to use it. When
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configuring GNU make, merely use the ``--with-customs=DIR'' option.
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Provide the directory containing the ``lib'' and ``include/customs''
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subdirectories as DIR. For example, if you installed the customs
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library in /usr/local/lib and the headers in /usr/local/include/customs,
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then you'd pass ``--with-customs=/usr/local'' as an option to configure.
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Run make (or use build.sh) normally to build GNU make as described in
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the INSTALL file.
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See the documentation for Customs for information on starting and
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configuring Customs.
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INVOKING CUSTOMS-IZED GNU MAKE
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-----------------------------
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One thing you should be aware of is that the default build environment
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for Customs requires root permissions. Practically, this means that GNU
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make must be installed setuid root to use Customs.
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If you don't want to do this, you can build Customs such that root
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permissions are not necessary. Andreas Stolcke <stolcke@speech.sri.com>
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writes:
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> pmake, gnumake or any other customs client program is not required to
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> be suid root if customs was compiled WITHOUT the USE_RESERVED_PORTS
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> option in customs/config.h. Make sure the "customs" service in
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> /etc/services is defined accordingly (port 8231 instead of 1001).
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> Not using USE_RESERVED_PORTS means that a user with programming
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> skills could impersonate another user by writing a fake customs
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> client that pretends to be someone other than himself. See the
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> discussion in etc/SECURITY.
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PROBLEMS
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--------
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SunOS 4.1.x:
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The customs/sprite.h header file #includes the <malloc.h> header
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files; this conflicts with GNU make's configuration so you'll get a
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compile error if you use GCC (or any other ANSI-capable C compiler).
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I commented out the #include in sprite.h:107:
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#if defined(sun) || defined(ultrix) || defined(hpux) || defined(sgi)
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/* #include <malloc.h> */
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#else
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YMMV.
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