Mercurial > hg > nginx
annotate auto/cc/gcc @ 4412:d620f497c50f
Copyright updated.
| author | Maxim Konovalov <maxim@nginx.com> |
|---|---|
| date | Wed, 18 Jan 2012 15:07:43 +0000 |
| parents | 7660f0221cf1 |
| children | d87b45d4a8a0 d1cea70248c7 |
| rev | line source |
|---|---|
| 455 | 1 |
| 2 # Copyright (C) Igor Sysoev | |
| 4412 | 3 # Copyright (C) Nginx, Inc. |
| 455 | 4 |
| 5 | |
| 501 | 6 # gcc 2.7.2.3, 2.8.1, 2.95.4, egcs-1.1.2 |
| 497 | 7 # 3.0.4, 3.1.1, 3.2.3, 3.3.2, 3.3.3, 3.3.4, 3.4.0, 3.4.2 |
| 521 | 8 # 4.0.0, 4.0.1, 4.1.0 |
| 501 | 9 |
| 10 | |
| 11 NGX_GCC_VER=`$CC -v 2>&1 | grep 'gcc version' 2>&1 \ | |
| 12 | sed -e 's/^.* version \(.*\)/\1/'` | |
| 13 | |
| 14 echo " + gcc version: $NGX_GCC_VER" | |
| 455 | 15 |
| 557 | 16 have=NGX_COMPILER value="\"gcc $NGX_GCC_VER\"" . auto/define |
| 17 | |
| 455 | 18 |
| 19 # Solaris 7's /usr/ccs/bin/as does not support "-pipe" | |
| 20 | |
| 21 CC_TEST_FLAGS="-pipe" | |
| 22 | |
| 577 | 23 ngx_feature="gcc -pipe switch" |
| 455 | 24 ngx_feature_name= |
| 25 ngx_feature_run=no | |
| 26 ngx_feature_incs= | |
|
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test PCRE in FreeBSD, Linux, and NetBSD
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parents:
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diff
changeset
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27 ngx_feature_path= |
| 455 | 28 ngx_feature_libs= |
| 29 ngx_feature_test= | |
| 30 . auto/feature | |
| 31 | |
| 32 CC_TEST_FLAGS= | |
| 33 | |
| 34 if [ $ngx_found = yes ]; then | |
| 35 PIPE="-pipe" | |
| 36 fi | |
| 37 | |
| 561 | 38 |
| 581 | 39 case "$NGX_MACHINE" in |
| 561 | 40 |
| 743 | 41 sun4u | sun4v | sparc | sparc64 ) |
| 563 | 42 # "-mcpu=v9" enables the "casa" assembler instruction |
| 561 | 43 CFLAGS="$CFLAGS -mcpu=v9" |
| 44 ;; | |
| 45 | |
| 46 esac | |
| 47 | |
| 48 | |
| 455 | 49 # optimizations |
| 50 | |
| 487 | 51 #NGX_GCC_OPT="-O2" |
| 52 #NGX_GCC_OPT="-Os" | |
| 53 NGX_GCC_OPT="-O" | |
| 54 | |
| 55 #CFLAGS="$CFLAGS -fomit-frame-pointer" | |
| 455 | 56 |
| 57 case $CPU in | |
| 58 pentium) | |
| 59 # optimize for Pentium and Athlon | |
| 60 CPU_OPT="-march=pentium" | |
| 589 | 61 NGX_CPU_CACHE_LINE=32 |
| 455 | 62 ;; |
| 63 | |
| 561 | 64 pentiumpro | pentium3) |
| 455 | 65 # optimize for Pentium Pro, Pentium II and Pentium III |
| 66 CPU_OPT="-march=pentiumpro" | |
| 589 | 67 NGX_CPU_CACHE_LINE=32 |
| 455 | 68 ;; |
| 69 | |
| 70 pentium4) | |
| 71 # optimize for Pentium 4, gcc 3.x | |
| 72 CPU_OPT="-march=pentium4" | |
| 589 | 73 NGX_CPU_CACHE_LINE=128 |
| 455 | 74 ;; |
| 75 | |
| 521 | 76 athlon) |
| 77 # optimize for Athlon, gcc 3.x | |
| 78 CPU_OPT="-march=athlon" | |
| 589 | 79 NGX_CPU_CACHE_LINE=64 |
| 521 | 80 ;; |
| 81 | |
| 509 | 82 opteron) |
| 83 # optimize for Opteron, gcc 3.x | |
| 84 CPU_OPT="-march=opteron" | |
| 589 | 85 NGX_CPU_CACHE_LINE=64 |
| 509 | 86 ;; |
| 87 | |
| 581 | 88 sparc32) |
| 89 # build 32-bit UltraSparc binary | |
| 90 CPU_OPT="-m32" | |
| 91 CORE_LINK="$CORE_LINK -m32" | |
| 589 | 92 NGX_CPU_CACHE_LINE=64 |
| 581 | 93 ;; |
| 94 | |
| 455 | 95 sparc64) |
| 96 # build 64-bit UltraSparc binary | |
| 97 CPU_OPT="-m64" | |
| 98 CORE_LINK="$CORE_LINK -m64" | |
| 589 | 99 NGX_CPU_CACHE_LINE=64 |
| 455 | 100 ;; |
| 101 | |
| 613 | 102 ppc64) |
| 103 # build 64-bit PowerPC binary | |
| 104 CPU_OPT="-m64" | |
| 105 CPU_OPT="$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" | |
| 108 NGX_CPU_CACHE_LINE=128 | |
| 109 ;; | |
| 110 | |
| 455 | 111 esac |
| 112 | |
|
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GCC 4.1 builtin atomic operations
Igor Sysoev <igor@sysoev.ru>
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113 CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT" |
| 455 | 114 |
| 501 | 115 case "$NGX_GCC_VER" in |
| 116 2.7*) | |
| 117 # batch build | |
| 118 CPU_OPT= | |
| 119 ;; | |
| 120 esac | |
| 455 | 121 |
| 122 | |
| 123 CFLAGS="$CFLAGS $PIPE $CPU_OPT" | |
| 124 | |
| 125 if [ ".$PCRE_OPT" = "." ]; then | |
| 126 PCRE_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" | |
| 127 else | |
| 128 PCRE_OPT="$PCRE_OPT $PIPE" | |
| 129 fi | |
| 130 | |
| 131 if [ ".$MD5_OPT" = "." ]; then | |
| 132 MD5_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" | |
| 133 else | |
| 134 MD5_OPT="$MD5_OPT $PIPE" | |
| 135 fi | |
| 136 | |
| 137 if [ ".$ZLIB_OPT" = "." ]; then | |
| 138 ZLIB_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" | |
| 139 else | |
| 140 ZLIB_OPT="$ZLIB_OPT $PIPE" | |
| 141 fi | |
| 142 | |
| 143 | |
| 144 # warnings | |
| 145 | |
| 487 | 146 # -W requires at least -O |
| 1010 | 147 CFLAGS="$CFLAGS ${NGX_GCC_OPT:--O} -W" |
| 487 | 148 |
| 455 | 149 CFLAGS="$CFLAGS -Wall -Wpointer-arith" |
| 577 | 150 #CFLAGS="$CFLAGS -Wconversion" |
| 455 | 151 #CFLAGS="$CFLAGS -Winline" |
| 152 | |
| 501 | 153 |
| 154 case "$NGX_GCC_VER" in | |
| 155 3.* | 4.* ) | |
| 156 # we have a lot of the unused function arguments | |
| 157 CFLAGS="$CFLAGS -Wno-unused-parameter" | |
| 2751 | 158 CFLAGS="$CFLAGS -Wunused-function" |
| 563 | 159 CFLAGS="$CFLAGS -Wunused-variable" |
| 160 CFLAGS="$CFLAGS -Wunused-value" | |
| 2751 | 161 # 4.2.1 shows the warning in wrong places |
| 501 | 162 #CFLAGS="$CFLAGS -Wunreachable-code" |
| 163 ;; | |
| 164 | |
| 165 *) | |
| 166 # we have a lot of the unused function arguments | |
| 167 CFLAGS="$CFLAGS -Wno-unused" | |
| 168 ;; | |
| 169 esac | |
| 170 | |
| 455 | 171 |
| 172 # stop on warning | |
| 173 CFLAGS="$CFLAGS -Werror" | |
| 174 | |
| 175 # debug | |
| 176 CFLAGS="$CFLAGS -g" | |
| 177 | |
| 178 # DragonFly's gcc3 generates DWARF | |
| 179 #CFLAGS="$CFLAGS -g -gstabs" | |
| 180 | |
| 181 if [ ".$CPP" = "." ]; then | |
| 182 CPP="$CC -E" | |
| 183 fi |