Mercurial > hg > nginx-quic
view auto/cc/gcc @ 4311:45272aab5eea
Unlock of shared memory zones on process crash.
If process exited abnormally while holding lock on some shared memory zone -
unlock it. It may be not safe thing to do (as crash with lock held may
result in corrupted shared memory structure, and other processes will
subsequently crash while trying to access shared data), therefore complain
loudly if unlock succeeds.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 23 Nov 2011 14:09:19 +0000 |
parents | 7660f0221cf1 |
children | d620f497c50f |
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# Copyright (C) Igor Sysoev # gcc 2.7.2.3, 2.8.1, 2.95.4, egcs-1.1.2 # 3.0.4, 3.1.1, 3.2.3, 3.3.2, 3.3.3, 3.3.4, 3.4.0, 3.4.2 # 4.0.0, 4.0.1, 4.1.0 NGX_GCC_VER=`$CC -v 2>&1 | grep 'gcc version' 2>&1 \ | sed -e 's/^.* version \(.*\)/\1/'` echo " + gcc version: $NGX_GCC_VER" have=NGX_COMPILER value="\"gcc $NGX_GCC_VER\"" . auto/define # Solaris 7's /usr/ccs/bin/as does not support "-pipe" CC_TEST_FLAGS="-pipe" ngx_feature="gcc -pipe switch" ngx_feature_name= ngx_feature_run=no ngx_feature_incs= ngx_feature_path= ngx_feature_libs= ngx_feature_test= . auto/feature CC_TEST_FLAGS= if [ $ngx_found = yes ]; then PIPE="-pipe" fi case "$NGX_MACHINE" in sun4u | sun4v | sparc | sparc64 ) # "-mcpu=v9" enables the "casa" assembler instruction CFLAGS="$CFLAGS -mcpu=v9" ;; esac # optimizations #NGX_GCC_OPT="-O2" #NGX_GCC_OPT="-Os" NGX_GCC_OPT="-O" #CFLAGS="$CFLAGS -fomit-frame-pointer" case $CPU in pentium) # optimize for Pentium and Athlon CPU_OPT="-march=pentium" NGX_CPU_CACHE_LINE=32 ;; pentiumpro | pentium3) # optimize for Pentium Pro, Pentium II and Pentium III CPU_OPT="-march=pentiumpro" NGX_CPU_CACHE_LINE=32 ;; pentium4) # optimize for Pentium 4, gcc 3.x CPU_OPT="-march=pentium4" NGX_CPU_CACHE_LINE=128 ;; athlon) # optimize for Athlon, gcc 3.x CPU_OPT="-march=athlon" NGX_CPU_CACHE_LINE=64 ;; opteron) # optimize for Opteron, gcc 3.x CPU_OPT="-march=opteron" NGX_CPU_CACHE_LINE=64 ;; sparc32) # build 32-bit UltraSparc binary CPU_OPT="-m32" CORE_LINK="$CORE_LINK -m32" NGX_CPU_CACHE_LINE=64 ;; sparc64) # build 64-bit UltraSparc binary CPU_OPT="-m64" CORE_LINK="$CORE_LINK -m64" NGX_CPU_CACHE_LINE=64 ;; ppc64) # build 64-bit PowerPC binary CPU_OPT="-m64" CPU_OPT="$CPU_OPT -falign-functions=32 -falign-labels=32" CPU_OPT="$CPU_OPT -falign-loops=32 -falign-jumps=32" CORE_LINK="$CORE_LINK -m64" NGX_CPU_CACHE_LINE=128 ;; esac CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT" case "$NGX_GCC_VER" in 2.7*) # batch build CPU_OPT= ;; esac CFLAGS="$CFLAGS $PIPE $CPU_OPT" if [ ".$PCRE_OPT" = "." ]; then PCRE_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" else PCRE_OPT="$PCRE_OPT $PIPE" fi if [ ".$MD5_OPT" = "." ]; then MD5_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" else MD5_OPT="$MD5_OPT $PIPE" fi if [ ".$ZLIB_OPT" = "." ]; then ZLIB_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT" else ZLIB_OPT="$ZLIB_OPT $PIPE" fi # warnings # -W requires at least -O CFLAGS="$CFLAGS ${NGX_GCC_OPT:--O} -W" CFLAGS="$CFLAGS -Wall -Wpointer-arith" #CFLAGS="$CFLAGS -Wconversion" #CFLAGS="$CFLAGS -Winline" case "$NGX_GCC_VER" in 3.* | 4.* ) # we have a lot of the unused function arguments CFLAGS="$CFLAGS -Wno-unused-parameter" CFLAGS="$CFLAGS -Wunused-function" CFLAGS="$CFLAGS -Wunused-variable" CFLAGS="$CFLAGS -Wunused-value" # 4.2.1 shows the warning in wrong places #CFLAGS="$CFLAGS -Wunreachable-code" ;; *) # we have a lot of the unused function arguments CFLAGS="$CFLAGS -Wno-unused" ;; esac # stop on warning CFLAGS="$CFLAGS -Werror" # debug CFLAGS="$CFLAGS -g" # DragonFly's gcc3 generates DWARF #CFLAGS="$CFLAGS -g -gstabs" if [ ".$CPP" = "." ]; then CPP="$CC -E" fi