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For certain compilers we embed the compiler version used to build nginx in the binary, retrievable via 'nginx -V', e.g. $ ./objs/nginx -V ... built by gcc 15.2.1 20250808 (Red Hat 15.2.1-1) (GCC) ... However if the CFLAGS environment variable is set this would be omitted. This is due to the compiler specific auto/cc files not being run when the CFLAGS environment variable is set, this is so entities can set their own compiler flags, and thus the NGX_COMPILER variable isn't set. Nonetheless it is a useful thing to have so re-work the auto scripts to move the version gathering out of the individual auto/cc/$NGX_CC_NAME files and merge them into auto/cc/name. Link: <https://github.com/nginx/nginx/issues/878>
90 lines
1.5 KiB
Text
90 lines
1.5 KiB
Text
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# Copyright (C) Nginx, Inc.
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# clang
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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 [ ".$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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# deprecated system OpenSSL library on OS X
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if [ "$NGX_SYSTEM" = "Darwin" ]; then
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CFLAGS="$CFLAGS -Wno-deprecated-declarations"
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fi
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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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