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annotate auto/cc/gcc @ 3362:b57a4a704f3c
GCC 4.1 builtin atomic operations
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 25 Nov 2009 17:34:35 +0000 |
| parents | 3b9b67bc0cdc |
| children | 7660f0221cf1 |
| rev | line source |
|---|---|
| 455 | 1 |
| 2 # Copyright (C) Igor Sysoev | |
| 3 | |
| 4 | |
| 501 | 5 # gcc 2.7.2.3, 2.8.1, 2.95.4, egcs-1.1.2 |
| 497 | 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 |
| 521 | 7 # 4.0.0, 4.0.1, 4.1.0 |
| 501 | 8 |
| 9 | |
| 10 NGX_GCC_VER=`$CC -v 2>&1 | grep 'gcc version' 2>&1 \ | |
| 11 | sed -e 's/^.* version \(.*\)/\1/'` | |
| 12 | |
| 13 echo " + gcc version: $NGX_GCC_VER" | |
| 455 | 14 |
| 557 | 15 have=NGX_COMPILER value="\"gcc $NGX_GCC_VER\"" . auto/define |
| 16 | |
| 455 | 17 |
| 18 # Solaris 7's /usr/ccs/bin/as does not support "-pipe" | |
| 19 | |
| 20 CC_TEST_FLAGS="-pipe" | |
| 21 | |
| 577 | 22 ngx_feature="gcc -pipe switch" |
| 455 | 23 ngx_feature_name= |
| 24 ngx_feature_run=no | |
| 25 ngx_feature_incs= | |
|
875
7af8276b1c2f
test PCRE in FreeBSD, Linux, and NetBSD
Igor Sysoev <igor@sysoev.ru>
parents:
743
diff
changeset
|
26 ngx_feature_path= |
| 455 | 27 ngx_feature_libs= |
| 28 ngx_feature_test= | |
| 29 . auto/feature | |
| 30 | |
| 31 CC_TEST_FLAGS= | |
| 32 | |
| 33 if [ $ngx_found = yes ]; then | |
| 34 PIPE="-pipe" | |
| 35 fi | |
| 36 | |
| 561 | 37 |
| 581 | 38 case "$NGX_MACHINE" in |
| 561 | 39 |
| 743 | 40 sun4u | sun4v | sparc | sparc64 ) |
| 563 | 41 # "-mcpu=v9" enables the "casa" assembler instruction |
| 561 | 42 CFLAGS="$CFLAGS -mcpu=v9" |
| 43 ;; | |
| 44 | |
| 45 esac | |
| 46 | |
| 47 | |
| 455 | 48 # optimizations |
| 49 | |
| 487 | 50 #NGX_GCC_OPT="-O2" |
| 51 #NGX_GCC_OPT="-Os" | |
| 52 NGX_GCC_OPT="-O" | |
| 53 | |
| 54 CFLAGS="$CFLAGS $NGX_GCC_OPT" | |
| 55 | |
| 56 #CFLAGS="$CFLAGS -fomit-frame-pointer" | |
| 455 | 57 |
| 58 case $CPU in | |
| 59 pentium) | |
| 60 # optimize for Pentium and Athlon | |
| 61 CPU_OPT="-march=pentium" | |
| 589 | 62 NGX_CPU_CACHE_LINE=32 |
| 455 | 63 ;; |
| 64 | |
| 561 | 65 pentiumpro | pentium3) |
| 455 | 66 # optimize for Pentium Pro, Pentium II and Pentium III |
| 67 CPU_OPT="-march=pentiumpro" | |
| 589 | 68 NGX_CPU_CACHE_LINE=32 |
| 455 | 69 ;; |
| 70 | |
| 71 pentium4) | |
| 72 # optimize for Pentium 4, gcc 3.x | |
| 73 CPU_OPT="-march=pentium4" | |
| 589 | 74 NGX_CPU_CACHE_LINE=128 |
| 455 | 75 ;; |
| 76 | |
| 521 | 77 athlon) |
| 78 # optimize for Athlon, gcc 3.x | |
| 79 CPU_OPT="-march=athlon" | |
| 589 | 80 NGX_CPU_CACHE_LINE=64 |
| 521 | 81 ;; |
| 82 | |
| 509 | 83 opteron) |
| 84 # optimize for Opteron, gcc 3.x | |
| 85 CPU_OPT="-march=opteron" | |
| 589 | 86 NGX_CPU_CACHE_LINE=64 |
| 509 | 87 ;; |
| 88 | |
| 581 | 89 sparc32) |
| 90 # build 32-bit UltraSparc binary | |
| 91 CPU_OPT="-m32" | |
| 92 CORE_LINK="$CORE_LINK -m32" | |
| 589 | 93 NGX_CPU_CACHE_LINE=64 |
| 581 | 94 ;; |
| 95 | |
| 455 | 96 sparc64) |
| 97 # build 64-bit UltraSparc binary | |
| 98 CPU_OPT="-m64" | |
| 99 CORE_LINK="$CORE_LINK -m64" | |
| 589 | 100 NGX_CPU_CACHE_LINE=64 |
| 455 | 101 ;; |
| 102 | |
| 613 | 103 ppc64) |
| 104 # build 64-bit PowerPC binary | |
| 105 CPU_OPT="-m64" | |
| 106 CPU_OPT="$CPU_OPT -falign-functions=32 -falign-labels=32" | |
| 107 CPU_OPT="$CPU_OPT -falign-loops=32 -falign-jumps=32" | |
| 108 CORE_LINK="$CORE_LINK -m64" | |
| 109 NGX_CPU_CACHE_LINE=128 | |
| 110 ;; | |
| 111 | |
| 455 | 112 esac |
| 113 | |
|
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b57a4a704f3c
GCC 4.1 builtin atomic operations
Igor Sysoev <igor@sysoev.ru>
parents:
2751
diff
changeset
|
114 CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT" |
| 455 | 115 |
| 501 | 116 case "$NGX_GCC_VER" in |
| 117 2.7*) | |
| 118 # batch build | |
| 119 CPU_OPT= | |
| 120 ;; | |
| 121 esac | |
| 455 | 122 |
| 123 | |
| 124 CFLAGS="$CFLAGS $PIPE $CPU_OPT" | |
| 125 | |
| 126 if [ ".$PCRE_OPT" = "." ]; then | |
| 127 PCRE_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" | |
| 128 else | |
| 129 PCRE_OPT="$PCRE_OPT $PIPE" | |
| 130 fi | |
| 131 | |
| 132 if [ ".$MD5_OPT" = "." ]; then | |
| 133 MD5_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" | |
| 134 else | |
| 135 MD5_OPT="$MD5_OPT $PIPE" | |
| 136 fi | |
| 137 | |
| 138 if [ ".$ZLIB_OPT" = "." ]; then | |
| 139 ZLIB_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" | |
| 140 else | |
| 141 ZLIB_OPT="$ZLIB_OPT $PIPE" | |
| 142 fi | |
| 143 | |
| 144 | |
| 145 # warnings | |
| 146 | |
| 487 | 147 # -W requires at least -O |
| 1010 | 148 CFLAGS="$CFLAGS ${NGX_GCC_OPT:--O} -W" |
| 487 | 149 |
| 455 | 150 CFLAGS="$CFLAGS -Wall -Wpointer-arith" |
| 577 | 151 #CFLAGS="$CFLAGS -Wconversion" |
| 455 | 152 #CFLAGS="$CFLAGS -Winline" |
| 153 | |
| 501 | 154 |
| 155 case "$NGX_GCC_VER" in | |
| 156 3.* | 4.* ) | |
| 157 # we have a lot of the unused function arguments | |
| 158 CFLAGS="$CFLAGS -Wno-unused-parameter" | |
| 2751 | 159 CFLAGS="$CFLAGS -Wunused-function" |
| 563 | 160 CFLAGS="$CFLAGS -Wunused-variable" |
| 161 CFLAGS="$CFLAGS -Wunused-value" | |
| 2751 | 162 # 4.2.1 shows the warning in wrong places |
| 501 | 163 #CFLAGS="$CFLAGS -Wunreachable-code" |
| 164 ;; | |
| 165 | |
| 166 *) | |
| 167 # we have a lot of the unused function arguments | |
| 168 CFLAGS="$CFLAGS -Wno-unused" | |
| 169 ;; | |
| 170 esac | |
| 171 | |
| 455 | 172 |
| 173 # stop on warning | |
| 174 CFLAGS="$CFLAGS -Werror" | |
| 175 | |
| 176 # debug | |
| 177 CFLAGS="$CFLAGS -g" | |
| 178 | |
| 179 # DragonFly's gcc3 generates DWARF | |
| 180 #CFLAGS="$CFLAGS -g -gstabs" | |
| 181 | |
| 182 if [ ".$CPP" = "." ]; then | |
| 183 CPP="$CC -E" | |
| 184 fi |