blob: 212291c1c96825924975923a476af9195d0cfd16 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
From 1ed65e560039a1b729720bbc5d9b72f72bab2152 Mon Sep 17 00:00:00 2001
From: Erik de Castro Lopo <erikd@mega-nerd.com>
Date: Tue, 31 Mar 2015 18:21:38 +1100
Subject: [PATCH 1/2] configure.ac : Add -mstackrealign whenever we add -msse2.
There have been some (pretty much unconfirmed) reports of problems
with SSE enabled but without this stack alignment flag.
---
configure.ac | 1 +
1 file changed, 1 insertion(+)
diff --git a/configure.ac b/configure.ac
index 2dcc698..eb9b0cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -399,6 +399,7 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then
if test "x$asm_optimisation$sse_os" = "xyesyes" ; then
XIPH_ADD_CFLAGS([-msse2])
+ XIPH_ADD_CFLAGS([-mstackrealign])
fi
fi
--
2.7.2.windows.1
From a84587061cab4d55fa2668ea431d3b61e711c8a3 Mon Sep 17 00:00:00 2001
From: Tristan Matthews <tmatth@videolan.org>
Date: Sat, 11 Apr 2015 01:05:30 -0400
Subject: [PATCH 2/2] configure: Only use -mstackrealign on i686 for
mingw32/os2
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
---
configure.ac | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index eb9b0cc..6f34c66 100644
--- a/configure.ac
+++ b/configure.ac
@@ -399,11 +399,17 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then
if test "x$asm_optimisation$sse_os" = "xyesyes" ; then
XIPH_ADD_CFLAGS([-msse2])
- XIPH_ADD_CFLAGS([-mstackrealign])
fi
fi
+case "$host_os" in
+ "mingw32"|"os2")
+ if test "$host_cpu" = "i686"; then
+ XIPH_ADD_CFLAGS([-mstackrealign])
+ fi
+ esac
+
XIPH_ADD_CFLAGS([-Wextra])
if test x$enable_werror = "xyes" ; then
--
2.7.2.windows.1
|
