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From: Jakub Narebski <jnareb@gmail.com>
To: git@vger.kernel.org
Cc: Jakub Narebski <jnareb@gmail.com>
Subject: [PATCH 1/4] autoconf: Check for working mmap
Date: Fri,  4 Aug 2006 17:55:56 +0200	[thread overview]
Message-ID: <11547069592652-git-send-email-jnareb@gmail.com> (raw)
In-Reply-To: <7v7j1on71n.fsf@assigned-by-dhcp.cox.net>

Use AC_FUNC_MMAP check to check if the `mmap' function exists and
works correctly.  (It only checks private fixed mapping of
already-mapped memory.)

Attention: uses implementation detail of AC_FUNC_MMAP!

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
---
 configure.ac |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 0a54b44..178220f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -208,6 +208,10 @@ AC_CHECK_FUNC(setenv,[],
 [GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease)])
 #
 # Define NO_MMAP if you want to avoid mmap.
+AC_FUNC_MMAP
+if test $ac_cv_func_mmap_fixed_mapped != yes; then
+	GIT_CONF_APPEND_LINE(NO_MMAP=YesPlease)
+fi
 #
 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 #
-- 
1.4.1.1

  parent reply	other threads:[~2006-08-04 15:56 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-04 10:12 What's in git.git Junio C Hamano
2006-08-04 10:27 ` Jakub Narebski
2006-08-04 15:55 ` Jakub Narebski [this message]
2006-08-04 18:56   ` [PATCH 1/4] autoconf: Check for working mmap Junio C Hamano
2006-08-04 19:02     ` Jakub Narebski
2006-08-04 15:55 ` [PATCH 2/4] autoconf: Check for ll hh j z t size specifiers introduced by C99 Jakub Narebski
2006-08-04 15:55 ` [PATCH 3/4] autoconf: Typo cleanup, reordering etc Jakub Narebski
2006-08-04 15:55 ` [PATCH 4/4] Copy description of new build configuration variables to configure.ac Jakub Narebski
2006-08-04 18:40 ` What's in git.git Johannes Schindelin
2006-08-04 18:55 ` Jakub Narebski
2006-08-04 19:09   ` Junio C Hamano
2006-08-04 19:50     ` Junio C Hamano
2006-08-04 20:06       ` Junio C Hamano
2006-08-04 20:27       ` Jakub Narebski

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