auto/func

echo "checking for $NGX_FUNC"

echo "$NGX_UNISTD_H" > autotest.c
echo "$NGX_FUNC_INC" >> autotest.c
echo "int main() { $NGX_FUNC_TEST; return 0; }" >> autotest.c

eval "${CC} -o autotest autotest.c > /dev/null 2>&1"

if [ -x autotest ]; then
    echo " + $NGX_FUNC found"

    echo "#ifndef $NGX_HAVE"      >> $NGX_AUTO_CONFIG_H
    echo "#define $NGX_HAVE  1"   >> $NGX_AUTO_CONFIG_H
    echo "#endif"                 >> $NGX_AUTO_CONFIG_H
    echo                          >> $NGX_AUTO_CONFIG_H
else
    echo " + $NGX_FUNC not found"
fi

rm autotest*