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-rw-r--r--INSTALL29
1 files changed, 21 insertions, 8 deletions
diff --git a/INSTALL b/INSTALL
index ba01e7421e..ffb071e9f0 100644
--- a/INSTALL
+++ b/INSTALL
@@ -28,7 +28,7 @@ set up install paths (via config.mak.autogen), so you can write instead
If you're willing to trade off (much) longer build time for a later
faster git you can also do a profile feedback build with
- $ make prefix=/usr PROFILE=BUILD all
+ $ make prefix=/usr profile
# make prefix=/usr PROFILE=BUILD install
This will run the complete test suite as training workload and then
@@ -36,10 +36,20 @@ rebuild git with the generated profile feedback. This results in a git
which is a few percent faster on CPU intensive workloads. This
may be a good tradeoff for distribution packagers.
+Alternatively you can run profile feedback only with the git benchmark
+suite. This runs significantly faster than the full test suite, but
+has less coverage:
+
+ $ make prefix=/usr profile-fast
+ # make prefix=/usr PROFILE=BUILD install
+
Or if you just want to install a profile-optimized version of git into
your home directory, you could run:
- $ make PROFILE=BUILD install
+ $ make profile-install
+
+or
+ $ make profile-fast-install
As a caveat: a profile-optimized build takes a *lot* longer since the
git tree must be built twice, and in order for the profiling
@@ -98,18 +108,21 @@ Issues of note:
so you might need to install additional packages other than Perl
itself, e.g. Time::HiRes.
- - "openssl" library is used by git-imap-send to use IMAP over SSL.
- If you don't need it, use NO_OPENSSL.
+ - git-imap-send needs the OpenSSL library to talk IMAP over SSL if
+ you are using libcurl older than 7.34.0. Otherwise you can use
+ NO_OPENSSL without losing git-imap-send.
By default, git uses OpenSSL for SHA1 but it will use its 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 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:// or https:// repositories, you do not
- have to have them (use NO_CURL).
+ - "libcurl" library is used by git-http-fetch, git-fetch, and, if
+ the curl version >= 7.34.0, for git-imap-send. You might also
+ want the "curl" executable for debugging purposes. If you do not
+ use http:// or https:// repositories, and do not want to put
+ patches into an IMAP mailbox, 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