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Igor Sysoevc0edbcc2004-10-21 15:34:38 +00001
2# Copyright (C) Igor Sysoev
Maxim Konovalovf8d59e32012-01-18 15:07:43 +00003# Copyright (C) Nginx, Inc.
Igor Sysoevc0edbcc2004-10-21 15:34:38 +00004
5
Igor Sysoevc1571722005-03-19 12:38:37 +00006# gcc 2.7.2.3, 2.8.1, 2.95.4, egcs-1.1.2
Igor Sysoev11d75322005-03-01 15:20:36 +00007# 3.0.4, 3.1.1, 3.2.3, 3.3.2, 3.3.3, 3.3.4, 3.4.0, 3.4.2
Igor Sysoev7b190b42005-06-07 15:56:31 +00008# 4.0.0, 4.0.1, 4.1.0
Igor Sysoevc1571722005-03-19 12:38:37 +00009
10
11NGX_GCC_VER=`$CC -v 2>&1 | grep 'gcc version' 2>&1 \
12 | sed -e 's/^.* version \(.*\)/\1/'`
13
14echo " + gcc version: $NGX_GCC_VER"
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000015
Igor Sysoev208eed22005-10-07 13:30:52 +000016have=NGX_COMPILER value="\"gcc $NGX_GCC_VER\"" . auto/define
17
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000018
19# Solaris 7's /usr/ccs/bin/as does not support "-pipe"
20
21CC_TEST_FLAGS="-pipe"
22
Igor Sysoev0e5dc5c2005-11-15 13:30:52 +000023ngx_feature="gcc -pipe switch"
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000024ngx_feature_name=
25ngx_feature_run=no
26ngx_feature_incs=
Igor Sysoev0ec09f92006-11-27 11:07:09 +000027ngx_feature_path=
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000028ngx_feature_libs=
29ngx_feature_test=
30. auto/feature
31
32CC_TEST_FLAGS=
33
34if [ $ngx_found = yes ]; then
35 PIPE="-pipe"
36fi
37
Igor Sysoev78452232005-10-12 13:50:36 +000038
Igor Sysoevc31a9bb2005-11-26 10:11:11 +000039case "$NGX_MACHINE" in
Igor Sysoev78452232005-10-12 13:50:36 +000040
Igor Sysoev5245c092006-10-05 20:03:34 +000041 sun4u | sun4v | sparc | sparc64 )
Igor Sysoevc2068d02005-10-19 12:33:58 +000042 # "-mcpu=v9" enables the "casa" assembler instruction
Igor Sysoev78452232005-10-12 13:50:36 +000043 CFLAGS="$CFLAGS -mcpu=v9"
44 ;;
45
46esac
47
48
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000049# optimizations
50
Igor Sysoevaa828612005-02-09 14:31:07 +000051#NGX_GCC_OPT="-O2"
52#NGX_GCC_OPT="-Os"
53NGX_GCC_OPT="-O"
54
Igor Sysoevaa828612005-02-09 14:31:07 +000055#CFLAGS="$CFLAGS -fomit-frame-pointer"
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000056
57case $CPU in
58 pentium)
59 # optimize for Pentium and Athlon
60 CPU_OPT="-march=pentium"
Igor Sysoev24025022005-12-16 15:07:08 +000061 NGX_CPU_CACHE_LINE=32
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000062 ;;
63
Igor Sysoev78452232005-10-12 13:50:36 +000064 pentiumpro | pentium3)
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000065 # optimize for Pentium Pro, Pentium II and Pentium III
66 CPU_OPT="-march=pentiumpro"
Igor Sysoev24025022005-12-16 15:07:08 +000067 NGX_CPU_CACHE_LINE=32
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000068 ;;
69
70 pentium4)
71 # optimize for Pentium 4, gcc 3.x
72 CPU_OPT="-march=pentium4"
Igor Sysoev24025022005-12-16 15:07:08 +000073 NGX_CPU_CACHE_LINE=128
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000074 ;;
75
Igor Sysoev7b190b42005-06-07 15:56:31 +000076 athlon)
77 # optimize for Athlon, gcc 3.x
78 CPU_OPT="-march=athlon"
Igor Sysoev24025022005-12-16 15:07:08 +000079 NGX_CPU_CACHE_LINE=64
Igor Sysoev7b190b42005-06-07 15:56:31 +000080 ;;
81
Igor Sysoev899b44e2005-05-12 14:58:06 +000082 opteron)
83 # optimize for Opteron, gcc 3.x
84 CPU_OPT="-march=opteron"
Igor Sysoev24025022005-12-16 15:07:08 +000085 NGX_CPU_CACHE_LINE=64
Igor Sysoev899b44e2005-05-12 14:58:06 +000086 ;;
87
Igor Sysoevc31a9bb2005-11-26 10:11:11 +000088 sparc32)
89 # build 32-bit UltraSparc binary
90 CPU_OPT="-m32"
91 CORE_LINK="$CORE_LINK -m32"
Igor Sysoev24025022005-12-16 15:07:08 +000092 NGX_CPU_CACHE_LINE=64
Igor Sysoevc31a9bb2005-11-26 10:11:11 +000093 ;;
94
Igor Sysoevc0edbcc2004-10-21 15:34:38 +000095 sparc64)
96 # build 64-bit UltraSparc binary
97 CPU_OPT="-m64"
98 CORE_LINK="$CORE_LINK -m64"
Igor Sysoev24025022005-12-16 15:07:08 +000099 NGX_CPU_CACHE_LINE=64
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000100 ;;
101
Igor Sysoevc2807ec2006-02-16 15:26:46 +0000102 ppc64)
103 # build 64-bit PowerPC binary
104 CPU_OPT="-m64"
105 CPU_OPT="$CPU_OPT -falign-functions=32 -falign-labels=32"
106 CPU_OPT="$CPU_OPT -falign-loops=32 -falign-jumps=32"
107 CORE_LINK="$CORE_LINK -m64"
Igor Sysoevc2807ec2006-02-16 15:26:46 +0000108 NGX_CPU_CACHE_LINE=128
109 ;;
110
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000111esac
112
Igor Sysoev89d635f2009-11-25 17:34:35 +0000113CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT"
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000114
Igor Sysoevc1571722005-03-19 12:38:37 +0000115case "$NGX_GCC_VER" in
116 2.7*)
117 # batch build
118 CPU_OPT=
119 ;;
120esac
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000121
122
123CFLAGS="$CFLAGS $PIPE $CPU_OPT"
124
125if [ ".$PCRE_OPT" = "." ]; then
126 PCRE_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
127else
128 PCRE_OPT="$PCRE_OPT $PIPE"
129fi
130
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000131if [ ".$ZLIB_OPT" = "." ]; then
132 ZLIB_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
133else
134 ZLIB_OPT="$ZLIB_OPT $PIPE"
135fi
136
137
138# warnings
139
Igor Sysoevaa828612005-02-09 14:31:07 +0000140# -W requires at least -O
Igor Sysoev21dd4be2007-01-11 16:20:18 +0000141CFLAGS="$CFLAGS ${NGX_GCC_OPT:--O} -W"
Igor Sysoevaa828612005-02-09 14:31:07 +0000142
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000143CFLAGS="$CFLAGS -Wall -Wpointer-arith"
Igor Sysoev0e5dc5c2005-11-15 13:30:52 +0000144#CFLAGS="$CFLAGS -Wconversion"
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000145#CFLAGS="$CFLAGS -Winline"
Ruslan Ermilov2d60cd72012-07-24 15:13:34 +0000146#CFLAGS="$CFLAGS -Wmissing-prototypes"
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000147
Igor Sysoevc1571722005-03-19 12:38:37 +0000148case "$NGX_GCC_VER" in
Sergey Kandaurov77d46c62016-06-07 12:15:56 +0300149 2.*)
150 # we have a lot of the unused function arguments
151 CFLAGS="$CFLAGS -Wno-unused"
152 ;;
153
154 *)
Igor Sysoevc1571722005-03-19 12:38:37 +0000155 # we have a lot of the unused function arguments
156 CFLAGS="$CFLAGS -Wno-unused-parameter"
Igor Sysoev03c77942009-04-24 15:31:13 +0000157 # 4.2.1 shows the warning in wrong places
Igor Sysoevc1571722005-03-19 12:38:37 +0000158 #CFLAGS="$CFLAGS -Wunreachable-code"
Maxim Dounine9a70112014-05-28 17:41:44 +0400159
160 # deprecated system OpenSSL library on OS X
161 if [ "$NGX_SYSTEM" = "Darwin" ]; then
162 CFLAGS="$CFLAGS -Wno-deprecated-declarations"
163 fi
Igor Sysoevc1571722005-03-19 12:38:37 +0000164 ;;
Igor Sysoevc1571722005-03-19 12:38:37 +0000165esac
166
Igor Sysoevc0edbcc2004-10-21 15:34:38 +0000167
168# stop on warning
169CFLAGS="$CFLAGS -Werror"
170
171# debug
172CFLAGS="$CFLAGS -g"
173
174# DragonFly's gcc3 generates DWARF
175#CFLAGS="$CFLAGS -g -gstabs"
176
177if [ ".$CPP" = "." ]; then
178 CPP="$CC -E"
179fi