nginx/auto/types/typedef

echo -n "checking for $ngx_type ..."
echo >> $NGX_ERR
echo "checking for $ngx_type" >> $NGX_ERR

found=no

for type in $ngx_type $ngx_types
do

    cat << END > $NGX_AUTOTEST.c

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <netinet/in.h>
$NGX_INTTYPES_H

int main() {
    $type i = 0;
    return 0;
}

END

    eval "$CC -o $NGX_AUTOTEST $NGX_AUTOTEST.c >> $NGX_ERR 2>&1"

    if [ -x $NGX_AUTOTEST ]; then
        if [ $type = $ngx_type ]; then
            echo " found"
            found=yes
        else
            echo ", $type used"
            found=$type
        fi
    fi

    rm $NGX_AUTOTEST*

    if [ $found = no ]; then
        echo -n " $type not found"
    else
        break
    fi
done

if [ $found = no ]; then
    echo
    echo "$0: error: can not define $ngx_type"
    exit 1
fi

if [ $found != yes ]; then
    echo "typedef $found  $ngx_type;"   >> $NGX_AUTO_CONFIG_H
fi