nginx/auto/cc/clang
Maxim Dounin c60b61a290 Internal md5 and sha1 implementations are now always used.
This reduces the number of moving parts in ABI compatibility checks.
Additionally, it also allows to use OpenSSL in FIPS mode while still
using md5 for non-security tasks.
2016-06-30 18:57:39 +03:00

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# 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 [ ".$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"
# deprecated system OpenSSL library on OS X
if [ "$NGX_SYSTEM" = "Darwin" ]; then
CFLAGS="$CFLAGS -Wno-deprecated-declarations"
fi
# stop on warning
CFLAGS="$CFLAGS -Werror"
# debug
CFLAGS="$CFLAGS -g"
if [ ".$CPP" = "." ]; then
CPP="$CC -E"
fi