2 # Copyright (C) Igor Sysoev
5 # gcc 2.7.2.3, 2.8.1, 2.95.4, egcs-1.1.2
6 # 3.0.4, 3.1.1, 3.2.3, 3.3.2, 3.3.3, 3.3.4, 3.4.0, 3.4.2
10 NGX_GCC_VER=`$CC -v 2>&1 | grep 'gcc version' 2>&1 \
11 | sed -e 's/^.* version \(.*\)/\1/'`
13 echo " + gcc version: $NGX_GCC_VER"
15 have=NGX_COMPILER value="\"gcc $NGX_GCC_VER\"" . auto/define
18 # Solaris 7's /usr/ccs/bin/as does not support "-pipe"
22 ngx_feature="gcc -pipe switch"
33 if [ $ngx_found = yes ]; then
38 case "$NGX_MACHINE" in
40 sun4u | sun4v | sparc | sparc64 )
41 # "-mcpu=v9" enables the "casa" assembler instruction
42 CFLAGS="$CFLAGS -mcpu=v9"
54 CFLAGS="$CFLAGS $NGX_GCC_OPT"
56 #CFLAGS="$CFLAGS -fomit-frame-pointer"
60 # optimize for Pentium and Athlon
61 CPU_OPT="-march=pentium"
65 pentiumpro | pentium3)
66 # optimize for Pentium Pro, Pentium II and Pentium III
67 CPU_OPT="-march=pentiumpro"
72 # optimize for Pentium 4, gcc 3.x
73 CPU_OPT="-march=pentium4"
74 NGX_CPU_CACHE_LINE=128
78 # optimize for Athlon, gcc 3.x
79 CPU_OPT="-march=athlon"
84 # optimize for Opteron, gcc 3.x
85 CPU_OPT="-march=opteron"
90 # build 32-bit UltraSparc binary
92 CORE_LINK="$CORE_LINK -m32"
93 CC_AUX_FLAGS="$CC_AUX_FLAGS -m32"
98 # build 64-bit UltraSparc binary
100 CORE_LINK="$CORE_LINK -m64"
101 CC_AUX_FLAGS="$CC_AUX_FLAGS -m64"
102 NGX_CPU_CACHE_LINE=64
106 # build 64-bit PowerPC binary
108 CPU_OPT="$CPU_OPT -falign-functions=32 -falign-labels=32"
109 CPU_OPT="$CPU_OPT -falign-loops=32 -falign-jumps=32"
110 CORE_LINK="$CORE_LINK -m64"
111 CC_AUX_FLAGS="$CC_AUX_FLAGS -m64"
112 NGX_CPU_CACHE_LINE=128
118 case "$NGX_GCC_VER" in
126 CFLAGS="$CFLAGS $PIPE $CPU_OPT"
128 if [ ".$PCRE_OPT" = "." ]; then
129 PCRE_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
131 PCRE_OPT="$PCRE_OPT $PIPE"
134 if [ ".$MD5_OPT" = "." ]; then
135 MD5_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
137 MD5_OPT="$MD5_OPT $PIPE"
140 if [ ".$ZLIB_OPT" = "." ]; then
141 ZLIB_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
143 ZLIB_OPT="$ZLIB_OPT $PIPE"
149 # -W requires at least -O
150 CFLAGS="$CFLAGS ${NGX_GCC_OPT:--O} -W"
152 CFLAGS="$CFLAGS -Wall -Wpointer-arith"
153 #CFLAGS="$CFLAGS -Wconversion"
154 #CFLAGS="$CFLAGS -Winline"
157 case "$NGX_GCC_VER" in
159 # we have a lot of the unused function arguments
160 CFLAGS="$CFLAGS -Wno-unused-parameter"
161 CFLAGS="$CFLAGS -Wno-unused-function"
162 CFLAGS="$CFLAGS -Wunused-variable"
163 CFLAGS="$CFLAGS -Wunused-value"
164 #CFLAGS="$CFLAGS -Wunreachable-code"
168 # we have a lot of the unused function arguments
169 CFLAGS="$CFLAGS -Wno-unused"
175 CFLAGS="$CFLAGS -Werror"
180 # DragonFly's gcc3 generates DWARF
181 #CFLAGS="$CFLAGS -g -gstabs"
183 if [ ".$CPP" = "." ]; then