mirror of
https://github.com/nginx/nginx.git
synced 2024-12-20 06:03:31 -06:00
d700bbefdb
Modern clang versions seem to no longer produce warnings for system headers on Linux (at least clang 3.3 works), hence the change. For older versions --with-cc-opt="-Wno-error" can be used as a workaround.
100 lines
1.7 KiB
Plaintext
100 lines
1.7 KiB
Plaintext
|
|
# Copyright (C) Nginx, Inc.
|
|
|
|
|
|
# clang
|
|
|
|
|
|
NGX_CLANG_VER=`$CC -v 2>&1 | grep '\(clang\|LLVM\) version' 2>&1 \
|
|
| sed -e 's/^.* version \(.*\)/\1/'`
|
|
|
|
echo " + clang version: $NGX_CLANG_VER"
|
|
|
|
have=NGX_COMPILER value="\"clang $NGX_CLANG_VER\"" . auto/define
|
|
|
|
|
|
CC_TEST_FLAGS="-pipe"
|
|
|
|
|
|
# optimizations
|
|
|
|
#NGX_CLANG_OPT="-O2"
|
|
#NGX_CLANG_OPT="-Oz"
|
|
NGX_CLANG_OPT="-O"
|
|
|
|
case $CPU in
|
|
pentium)
|
|
# optimize for Pentium
|
|
CPU_OPT="-march=pentium"
|
|
NGX_CPU_CACHE_LINE=32
|
|
;;
|
|
|
|
pentiumpro | pentium3)
|
|
# optimize for Pentium Pro, Pentium II and Pentium III
|
|
CPU_OPT="-march=pentiumpro"
|
|
NGX_CPU_CACHE_LINE=32
|
|
;;
|
|
|
|
pentium4)
|
|
# optimize for Pentium 4
|
|
CPU_OPT="-march=pentium4"
|
|
NGX_CPU_CACHE_LINE=128
|
|
;;
|
|
|
|
athlon)
|
|
# optimize for Athlon
|
|
CPU_OPT="-march=athlon"
|
|
NGX_CPU_CACHE_LINE=64
|
|
;;
|
|
|
|
opteron)
|
|
# optimize for Opteron
|
|
CPU_OPT="-march=opteron"
|
|
NGX_CPU_CACHE_LINE=64
|
|
;;
|
|
|
|
esac
|
|
|
|
CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT"
|
|
|
|
|
|
CFLAGS="$CFLAGS -pipe $CPU_OPT"
|
|
|
|
if [ ".$PCRE_OPT" = "." ]; then
|
|
PCRE_OPT="-O2 -pipe $CPU_OPT"
|
|
else
|
|
PCRE_OPT="$PCRE_OPT -pipe"
|
|
fi
|
|
|
|
if [ ".$MD5_OPT" = "." ]; then
|
|
MD5_OPT="-O2 -pipe $CPU_OPT"
|
|
else
|
|
MD5_OPT="$MD5_OPT -pipe"
|
|
fi
|
|
|
|
if [ ".$ZLIB_OPT" = "." ]; then
|
|
ZLIB_OPT="-O2 -pipe $CPU_OPT"
|
|
else
|
|
ZLIB_OPT="$ZLIB_OPT -pipe"
|
|
fi
|
|
|
|
|
|
# warnings
|
|
|
|
CFLAGS="$CFLAGS $NGX_CLANG_OPT -Wall -Wextra -Wpointer-arith"
|
|
CFLAGS="$CFLAGS -Wconditional-uninitialized"
|
|
#CFLAGS="$CFLAGS -Wmissing-prototypes"
|
|
|
|
# we have a lot of unused function arguments
|
|
CFLAGS="$CFLAGS -Wno-unused-parameter"
|
|
|
|
# stop on warning
|
|
CFLAGS="$CFLAGS -Werror"
|
|
|
|
# debug
|
|
CFLAGS="$CFLAGS -g"
|
|
|
|
if [ ".$CPP" = "." ]; then
|
|
CPP="$CC -E"
|
|
fi
|