Mercurial > hg > nginx-quic
diff auto/cc/clang @ 4799:24f2b8495f7d stable-1.2
Merge of r4763: added the Clang compiler support.
The -Werror is commented out to not break builds on Linux.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 06 Aug 2012 17:10:35 +0000 |
parents | |
children | f1daa0356a1d |
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new file mode 100644 --- /dev/null +++ b/auto/cc/clang @@ -0,0 +1,98 @@ + +# Copyright (C) Nginx, Inc. + + +# clang + + +NGX_CLANG_VER=`$CC -v 2>&1 | grep 'clang version' 2>&1 \ + | sed -e 's/^.*clang 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 -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