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INSTALL: Describe dependency knobs from Makefile

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We said that some of our dependencies were optional, but didn't say
how to turn them off.  Add information for that and mention where to
save the options close to the top of the file.

Also, standardize on both using quotes for the names of the dependencies
and tabs for indentation of the list.

Signed-off-by: Brian Gernhardt <brian@gernhardtsoftware.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brian Gernhardt 2009-09-10 16:28:19 -04:00 committed by Junio C Hamano
parent 26d9443925
commit 5beb577db8
1 changed files with 24 additions and 14 deletions
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38
INSTALL
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@ -13,6 +13,10 @@ that uses $prefix, the built results have some paths encoded,
which are derived from $prefix, so "make all; make prefix=/usr
install" would not work.
The beginning of the Makefile documents many variables that affect the way
git is built. You can override them either from the command line, or in a
config.mak file.
Alternatively you can use autoconf generated ./configure script to
set up install paths (via config.mak.autogen), so you can write instead
@ -48,7 +52,9 @@ Issues of note:
export GIT_EXEC_PATH PATH GITPERLLIB
- Git is reasonably self-sufficient, but does depend on a few external
programs and libraries:
programs and libraries. Git can be used without most of them by adding
the approriate "NO_<LIBRARY>=YesPlease" to the make command line or
config.mak file.
- "zlib", the compression library. Git won't build without it.
@ -59,25 +65,29 @@ Issues of note:
- "Perl" is needed to use some of the features (e.g. preparing a
partial commit using "git add -i/-p", interacting with svn
repositories with "git svn").
repositories with "git svn"). If you can live without these, use
NO_PERL.
- "openssl". Unless you specify otherwise, you'll get the SHA1
library from here.
- "openssl" library is used by git-imap-send to use IMAP over SSL.
If you don't need it, use NO_OPENSSL.
If you don't have openssl, you can use one of the SHA1 libraries
that come with git (git includes one inspired by Mozilla's and a
PowerPC optimized one too - see the Makefile).
By default, git uses OpenSSL for SHA1 but it will use it's own
library (inspired by Mozilla's) with either NO_OPENSSL or
BLK_SHA1. Also included is a version optimized for PowerPC
(PPC_SHA1).
- libcurl library; git-http-fetch and git-fetch use them. You
- "libcurl" library is used by git-http-fetch and git-fetch. You
might also want the "curl" executable for debugging purposes.
If you do not use http transfer, you are probably OK if you
do not have them.
If you do not use http:// or https:// repositories, you do not
have to have them (use NO_CURL).
- expat library; git-http-push uses it for remote lock
management over DAV. Similar to "curl" above, this is optional.
- "expat" library; git-http-push uses it for remote lock
management over DAV. Similar to "curl" above, this is optional
(with NO_EXPAT).
- "wish", the Tcl/Tk windowing shell is used in gitk to show the
history graphically, and in git-gui.
- "wish", the Tcl/Tk windowing shell is used in gitk to show the
history graphically, and in git-gui. If you don't want gitk or
git-gui, you can use NO_TCLTK.
- Some platform specific issues are dealt with Makefile rules,
but depending on your specific installation, you may not