nginx/auto/cc/icc

# Copyright (C) Igor Sysoev


# Intel C++ compiler 7.1, 8.0, 8.1

# optimizations

CFLAGS="$CFLAGS -O"
# inline functions declared with __inline
#CFLAGS="$CFLAGS -Ob1"
# inline any function, at the compiler's discretion
CFLAGS="$CFLAGS -Ob2"

# single-file IP optimizations
#IPO="-ip"
# multi-file IP optimizations
IPO="-ipo -ipo_obj"
CFLAGS="$CFLAGS $IPO"
CORE_LINK="$CORE_LINK $IPO"
CORE_LINK="$CORE_LINK -opt_report_file=$NGX_OBJS/opt_report_file"

case $CPU in
    pentium)
        # optimize for Pentium and Athlon
        CPU_OPT="-march=pentium"
    ;;

    pentiumpro)
        # optimize for Pentium Pro, Pentium II and Pentium III
        CPU_OPT="-mcpu=pentiumpro -march=pentiumpro"
    ;;

    pentium4)
        # optimize for Pentium 4, default
        CPU_OPT="-march=pentium4"
    ;;
esac

CFLAGS="$CFLAGS $CPU_OPT"

if [ ".$PCRE_OPT" = "." ]; then
    PCRE_OPT="-O $IPO $CPU_OPT"
fi

if [ ".$MD5_OPT" = "." ]; then
    MD5_OPT="-O $IPO $CPU_OPT"
fi

if [ ".$ZLIB_OPT" = "." ]; then
    ZLIB_OPT="-O $IPO $CPU_OPT"
fi


# warnings

CFLAGS="$CFLAGS -w1"
#CFLAGS="$CFLAGS -w2"

# disable the ICC 8.1 errors:
#    error #181: argument is incompatible with corresponding format
#                string conversion
#    error #269: invalid format string conversion
CFLAGS="$CFLAGS -wd181 -wd269"

# stop on warning
CFLAGS="$CFLAGS -Werror"

# debug
CFLAGS="$CFLAGS -g"