|  | 
 | # Copyright (C) Igor Sysoev | 
 |  | 
 |  | 
 | echo $ngx_n "checking for $ngx_feature ...$ngx_c" | 
 |  | 
 | cat << END >> $NGX_AUTOCONF_ERR | 
 |  | 
 | ---------------------------------------- | 
 | checking for $ngx_feature | 
 |  | 
 | END | 
 |  | 
 | ngx_found=no | 
 |  | 
 | if test -n "$ngx_feature_name"; then | 
 |     ngx_have_feature=`echo $ngx_feature_name \ | 
 |                    | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` | 
 | fi | 
 |  | 
 | if test -n "$ngx_feature_path"; then | 
 |     ngx_feature_inc_path="-I $ngx_feature_path" | 
 | fi | 
 |  | 
 | cat << END > $NGX_AUTOTEST.c | 
 |  | 
 | #include <sys/types.h> | 
 | $NGX_INCLUDE_UNISTD_H | 
 | $ngx_feature_incs | 
 |  | 
 | int main() { | 
 |     $ngx_feature_test; | 
 |     return 0; | 
 | } | 
 |  | 
 | END | 
 |  | 
 |  | 
 | ngx_test="$CC $CC_TEST_FLAGS $CC_AUX_FLAGS $ngx_feature_inc_path \ | 
 |           -o $NGX_AUTOTEST $NGX_AUTOTEST.c $NGX_LD_OPT $ngx_feature_libs" | 
 |  | 
 | ngx_feature_inc_path= | 
 |  | 
 | eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1" | 
 |  | 
 |  | 
 | if [ -x $NGX_AUTOTEST ]; then | 
 |  | 
 |     case "$ngx_feature_run" in | 
 |  | 
 |         yes) | 
 |             # /bin/sh is used to intercept "Killed" or "Abort trap" messages | 
 |             if /bin/sh -c $NGX_AUTOTEST >/dev/null 2>&1; then | 
 |                 echo " found" | 
 |                 ngx_found=yes | 
 |  | 
 |                 if test -n "$ngx_feature_name"; then | 
 |                     have=$ngx_have_feature . auto/have | 
 |                 fi | 
 |  | 
 |             else | 
 |                 echo " found but is not working" | 
 |             fi | 
 |         ;; | 
 |  | 
 |         bug) | 
 |             # /bin/sh is used to intercept "Killed" or "Abort trap" messages | 
 |             if /bin/sh -c $NGX_AUTOTEST >/dev/null 2>&1; then | 
 |                 echo " not found" | 
 |  | 
 |             else | 
 |                 echo " found" | 
 |                 ngx_found=yes | 
 |  | 
 |                 if test -n "$ngx_feature_name"; then | 
 |                     have=$ngx_have_feature . auto/have | 
 |                 fi | 
 |             fi | 
 |         ;; | 
 |  | 
 |         *) | 
 |             echo " found" | 
 |             ngx_found=yes | 
 |  | 
 |             if test -n "$ngx_feature_name"; then | 
 |                 have=$ngx_have_feature . auto/have | 
 |             fi | 
 |         ;; | 
 |  | 
 |     esac | 
 |  | 
 | else | 
 |     echo " not found" | 
 |  | 
 |     echo "----------"    >> $NGX_AUTOCONF_ERR | 
 |     cat $NGX_AUTOTEST.c  >> $NGX_AUTOCONF_ERR | 
 |     echo "----------"    >> $NGX_AUTOCONF_ERR | 
 |     echo $ngx_test       >> $NGX_AUTOCONF_ERR | 
 |     echo "----------"    >> $NGX_AUTOCONF_ERR | 
 | fi | 
 |  | 
 | rm $NGX_AUTOTEST* |