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comparison auto/cc/clang @ 682:5cb5db9975ba NGINX_1_3_4

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nginx 1.3.4 *) Change: the "ipv6only" parameter is now turned on by default for listening IPv6 sockets. *) Feature: the Clang compiler support. *) Bugfix: extra listening sockets might be created. Thanks to Roman Odaisky. *) Bugfix: nginx/Windows might hog CPU if a worker process failed to start. Thanks to Ricardo Villalobos Guevara. *) Bugfix: the "proxy_pass_header", "fastcgi_pass_header", "scgi_pass_header", "uwsgi_pass_header", "proxy_hide_header", "fastcgi_hide_header", "scgi_hide_header", and "uwsgi_hide_header" directives might be inherited incorrectly.
author Igor Sysoev <http://sysoev.ru>
date Tue, 31 Jul 2012 00:00:00 +0400
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681:625501f84a6b 682:5cb5db9975ba
1
2 # Copyright (C) Nginx, Inc.
3
4
5 # clang
6
7
8 NGX_CLANG_VER=`$CC -v 2>&1 | grep 'clang version' 2>&1 \
9 | sed -e 's/^.*clang version \(.*\)/\1/'`
10
11 echo " + clang version: $NGX_CLANG_VER"
12
13 have=NGX_COMPILER value="\"clang $NGX_CLANG_VER\"" . auto/define
14
15
16 CC_TEST_FLAGS="-pipe"
17
18
19 # optimizations
20
21 #NGX_CLANG_OPT="-O2"
22 #NGX_CLANG_OPT="-Oz"
23 NGX_CLANG_OPT="-O"
24
25 case $CPU in
26 pentium)
27 # optimize for Pentium
28 CPU_OPT="-march=pentium"
29 NGX_CPU_CACHE_LINE=32
30 ;;
31
32 pentiumpro | pentium3)
33 # optimize for Pentium Pro, Pentium II and Pentium III
34 CPU_OPT="-march=pentiumpro"
35 NGX_CPU_CACHE_LINE=32
36 ;;
37
38 pentium4)
39 # optimize for Pentium 4
40 CPU_OPT="-march=pentium4"
41 NGX_CPU_CACHE_LINE=128
42 ;;
43
44 athlon)
45 # optimize for Athlon
46 CPU_OPT="-march=athlon"
47 NGX_CPU_CACHE_LINE=64
48 ;;
49
50 opteron)
51 # optimize for Opteron
52 CPU_OPT="-march=opteron"
53 NGX_CPU_CACHE_LINE=64
54 ;;
55
56 esac
57
58 CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT"
59
60
61 CFLAGS="$CFLAGS -pipe $CPU_OPT"
62
63 if [ ".$PCRE_OPT" = "." ]; then
64 PCRE_OPT="-O2 -pipe $CPU_OPT"
65 else
66 PCRE_OPT="$PCRE_OPT -pipe"
67 fi
68
69 if [ ".$MD5_OPT" = "." ]; then
70 MD5_OPT="-O2 -pipe $CPU_OPT"
71 else
72 MD5_OPT="$MD5_OPT -pipe"
73 fi
74
75 if [ ".$ZLIB_OPT" = "." ]; then
76 ZLIB_OPT="-O2 -pipe $CPU_OPT"
77 else
78 ZLIB_OPT="$ZLIB_OPT -pipe"
79 fi
80
81
82 # warnings
83
84 CFLAGS="$CFLAGS $NGX_CLANG_OPT -Wall -Wextra -Wpointer-arith"
85 #CFLAGS="$CFLAGS -Wmissing-prototypes"
86
87 # we have a lot of unused function arguments
88 CFLAGS="$CFLAGS -Wno-unused-parameter"
89
90 # stop on warning
91 #CFLAGS="$CFLAGS -Werror"
92
93 # debug
94 CFLAGS="$CFLAGS -g"
95
96 if [ ".$CPP" = "." ]; then
97 CPP="$CC -E"
98 fi