From: Timo Sirainen <tss@iki.fi>
Date: Fri, 25 Apr 2003 01:35:31 +0000 (+0300)
Subject: Use mem_align=4 with 32bit off_t
X-Git-Tag: 1.1.alpha1~4718
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e35a855ae3e4bd3767a9b6e13e4ff852b54f829;p=thirdparty%2Fdovecot%2Fcore.git

Use mem_align=4 with 32bit off_t

--HG--
branch : HEAD
---

diff --git a/configure.in b/configure.in
index 59cdd7c9e5..41b81fe478 100644
--- a/configure.in
+++ b/configure.in
@@ -49,7 +49,7 @@ AC_ARG_WITH(file-offset-size,
 	preferred_off_t_bits=64)
 
 AC_ARG_WITH(mem-align,
-[  --with-mem-align=BYTES  Set the memory alignment (default: 8)],
+[  --with-mem-align=BYTES  Set the memory alignment (default: sizeof(off_t))],
 	mem_align=$withval,
 	mem_align=8)
 
@@ -391,6 +391,11 @@ AC_TRY_COMPILE([
   AC_DEFINE_UNQUOTED(OFF_T_MAX, $offt_max, Maximum value of off_t)
 ])
 
+dnl currently we break if off_t is smaller than mem_align
+if $offt_bits = 32 -a $mem_align = 8; then
+  mem_align=4
+fi
+
 AC_DEFINE_UNQUOTED(PRIuUOFF_T, "$uofft_fmt", printf() format for uoff_t)
 
 dnl * make sure size_t isn't signed. we'd probably work fine with it, but