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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
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# Copyright (C) Nginx, Inc.
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# clang
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NGX_CLANG_VER=`$CC -v 2>&1 | grep '\(clang\|LLVM\) version' 2>&1 \
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| sed -e 's/^.* version \(.*\)/\1/'`
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echo " + clang version: $NGX_CLANG_VER"
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have=NGX_COMPILER value="\"clang $NGX_CLANG_VER\"" . auto/define
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CC_TEST_FLAGS="-pipe"
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# optimizations
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#NGX_CLANG_OPT="-O2"
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#NGX_CLANG_OPT="-Oz"
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NGX_CLANG_OPT="-O"
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case $CPU in
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pentium)
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# optimize for Pentium
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CPU_OPT="-march=pentium"
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NGX_CPU_CACHE_LINE=32
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;;
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pentiumpro | pentium3)
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# optimize for Pentium Pro, Pentium II and Pentium III
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CPU_OPT="-march=pentiumpro"
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NGX_CPU_CACHE_LINE=32
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;;
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pentium4)
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# optimize for Pentium 4
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CPU_OPT="-march=pentium4"
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NGX_CPU_CACHE_LINE=128
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;;
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athlon)
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# optimize for Athlon
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CPU_OPT="-march=athlon"
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NGX_CPU_CACHE_LINE=64
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;;
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opteron)
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# optimize for Opteron
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CPU_OPT="-march=opteron"
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NGX_CPU_CACHE_LINE=64
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;;
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esac
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CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT"
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CFLAGS="$CFLAGS -pipe $CPU_OPT"
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if [ ".$PCRE_OPT" = "." ]; then
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PCRE_OPT="-O2 -pipe $CPU_OPT"
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else
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PCRE_OPT="$PCRE_OPT -pipe"
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fi
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if [ ".$MD5_OPT" = "." ]; then
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MD5_OPT="-O2 -pipe $CPU_OPT"
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else
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MD5_OPT="$MD5_OPT -pipe"
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fi
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if [ ".$ZLIB_OPT" = "." ]; then
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ZLIB_OPT="-O2 -pipe $CPU_OPT"
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else
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ZLIB_OPT="$ZLIB_OPT -pipe"
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fi
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# warnings
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CFLAGS="$CFLAGS $NGX_CLANG_OPT -Wall -Wextra -Wpointer-arith"
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CFLAGS="$CFLAGS -Wconditional-uninitialized"
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#CFLAGS="$CFLAGS -Wmissing-prototypes"
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# we have a lot of unused function arguments
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CFLAGS="$CFLAGS -Wno-unused-parameter"
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# stop on warning
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CFLAGS="$CFLAGS -Werror"
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# debug
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CFLAGS="$CFLAGS -g"
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if [ ".$CPP" = "." ]; then
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CPP="$CC -E"
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fi
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