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Limit req: improved handling of negative times. Negative times can appear since workers only update time on an event loop iteration start. If a worker was blocked for a long time during an event loop iteration, it is possible that another worker already updated the time stored in the node. As such, time since last update of the node (ms) will be negative. Previous code used ngx_abs(ms) in the calculations. That is, negative times were effectively treated as positive ones. As a result, it was not possible to maintain high request rates, where the same node can be updated multiple times from during an event loop iteration. In particular, this affected setups with many SSL handshakes, see http://mailman.nginx.org/pipermail/nginx/2018-May/056291.html. Fix is to only update the last update time stored in the node if the new time is larger than previously stored one. If a future time is stored in the node, we preserve this time as is. To prevent breaking things on platforms without monotonic time available if system time is updated backwards, a safety limit of 60 seconds is used. If the time stored in the node is more than 60 seconds in the future, we assume that the time was changed backwards and update lr->last to the current time.
author Maxim Dounin <mdounin@mdounin.ru>
date Wed, 30 May 2018 15:40:34 +0300
parents 2c7a2d75938a
children 2d9ab7717e23
line wrap: on
line source


# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


echo "creating $NGX_MAKEFILE"

mkdir -p $NGX_OBJS/src/core $NGX_OBJS/src/event $NGX_OBJS/src/event/modules \
         $NGX_OBJS/src/os/unix $NGX_OBJS/src/os/win32 \
         $NGX_OBJS/src/http $NGX_OBJS/src/http/v2 $NGX_OBJS/src/http/modules \
         $NGX_OBJS/src/http/modules/perl \
         $NGX_OBJS/src/mail \
         $NGX_OBJS/src/stream \
         $NGX_OBJS/src/misc


ngx_objs_dir=$NGX_OBJS$ngx_regex_dirsep
ngx_use_pch=`echo $NGX_USE_PCH | sed -e "s/\//$ngx_regex_dirsep/g"`


cat << END                                                     > $NGX_MAKEFILE

CC =	$CC
CFLAGS = $CFLAGS
CPP =	$CPP
LINK =	$LINK

END


if test -n "$NGX_PERL_CFLAGS"; then
    echo NGX_PERL_CFLAGS = $NGX_PERL_CFLAGS                   >> $NGX_MAKEFILE
    echo NGX_PM_CFLAGS = $NGX_PM_CFLAGS                       >> $NGX_MAKEFILE
    echo NGX_PM_LDFLAGS = $NGX_PM_LDFLAGS                     >> $NGX_MAKEFILE
fi


# ALL_INCS, required by the addons and by OpenWatcom C precompiled headers

ngx_incs=`echo $CORE_INCS $NGX_OBJS $HTTP_INCS $MAIL_INCS $STREAM_INCS\
    | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont$ngx_include_opt\1/g" \
          -e "s/\//$ngx_regex_dirsep/g"`

cat << END                                                    >> $NGX_MAKEFILE

ALL_INCS = $ngx_include_opt$ngx_incs

END


ngx_all_srcs="$CORE_SRCS"


# the core dependencies and include paths

ngx_deps=`echo $CORE_DEPS $NGX_AUTO_CONFIG_H $NGX_PCH \
    | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g" \
          -e "s/\//$ngx_regex_dirsep/g"`

ngx_incs=`echo $CORE_INCS $NGX_OBJS \
    | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont$ngx_include_opt\1/g" \
          -e "s/\//$ngx_regex_dirsep/g"`

cat << END                                                    >> $NGX_MAKEFILE

CORE_DEPS = $ngx_deps


CORE_INCS = $ngx_include_opt$ngx_incs

END


# the http dependencies and include paths

if [ $HTTP = YES ]; then

    ngx_all_srcs="$ngx_all_srcs $HTTP_SRCS"

    ngx_deps=`echo $HTTP_DEPS \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    ngx_incs=`echo $HTTP_INCS \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont$ngx_include_opt\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    cat << END                                                >> $NGX_MAKEFILE

HTTP_DEPS = $ngx_deps


HTTP_INCS = $ngx_include_opt$ngx_incs

END

fi


# the mail dependencies and include paths

if [ $MAIL != NO ]; then

    if [ $MAIL = YES ]; then
        ngx_all_srcs="$ngx_all_srcs $MAIL_SRCS"
    fi

    ngx_deps=`echo $MAIL_DEPS \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    ngx_incs=`echo $MAIL_INCS \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont$ngx_include_opt\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    cat << END                                                >> $NGX_MAKEFILE

MAIL_DEPS = $ngx_deps


MAIL_INCS = $ngx_include_opt$ngx_incs

END

fi


# the stream dependencies and include paths

if [ $STREAM != NO ]; then

    if [ $STREAM = YES ]; then
        ngx_all_srcs="$ngx_all_srcs $STREAM_SRCS"
    fi

    ngx_deps=`echo $STREAM_DEPS \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    ngx_incs=`echo $STREAM_INCS \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont$ngx_include_opt\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    cat << END                                                >> $NGX_MAKEFILE

STREAM_DEPS = $ngx_deps


STREAM_INCS = $ngx_include_opt$ngx_incs

END

fi


ngx_all_srcs="$ngx_all_srcs $MISC_SRCS"


if test -n "$NGX_ADDON_SRCS$DYNAMIC_MODULES"; then

cat << END                                                >> $NGX_MAKEFILE

ADDON_DEPS = \$(CORE_DEPS) $NGX_ADDON_DEPS

END

fi


# nginx

ngx_all_srcs=`echo $ngx_all_srcs | sed -e "s/\//$ngx_regex_dirsep/g"`

for ngx_src in $NGX_ADDON_SRCS
do
    ngx_obj="addon/`basename \`dirname $ngx_src\``"

    test -d $NGX_OBJS/$ngx_obj || mkdir -p $NGX_OBJS/$ngx_obj

    ngx_obj=`echo $ngx_obj/\`basename $ngx_src\` \
        | sed -e "s/\//$ngx_regex_dirsep/g"`

    ngx_all_srcs="$ngx_all_srcs $ngx_obj"
done

ngx_all_objs=`echo $ngx_all_srcs \
    | sed -e "s#\([^ ]*\.\)cpp#$NGX_OBJS\/\1$ngx_objext#g" \
          -e "s#\([^ ]*\.\)cc#$NGX_OBJS\/\1$ngx_objext#g" \
          -e "s#\([^ ]*\.\)c#$NGX_OBJS\/\1$ngx_objext#g" \
          -e "s#\([^ ]*\.\)S#$NGX_OBJS\/\1$ngx_objext#g"`

ngx_modules_c=`echo $NGX_MODULES_C | sed -e "s/\//$ngx_regex_dirsep/g"`

ngx_modules_obj=`echo $ngx_modules_c | sed -e "s/\(.*\.\)c/\1$ngx_objext/"`


if test -n "$NGX_RES"; then
   ngx_res=$NGX_RES
else
   ngx_res="$NGX_RC $NGX_ICONS"
   ngx_rcc=`echo $NGX_RCC | sed -e "s/\//$ngx_regex_dirsep/g"`
fi

ngx_deps=`echo $ngx_all_objs $ngx_modules_obj $ngx_res $LINK_DEPS \
    | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g" \
          -e "s/\//$ngx_regex_dirsep/g"`

ngx_objs=`echo $ngx_all_objs $ngx_modules_obj \
    | sed -e "s/  *\([^ ][^ ]*\)/$ngx_long_regex_cont\1/g" \
          -e "s/\//$ngx_regex_dirsep/g"`

ngx_libs=
if test -n "$NGX_LD_OPT$CORE_LIBS"; then
    ngx_libs=`echo $NGX_LD_OPT $CORE_LIBS \
        | sed -e "s/\//$ngx_regex_dirsep/g" -e "s/^/$ngx_long_regex_cont/"`
fi

ngx_link=${CORE_LINK:+`echo $CORE_LINK \
    | sed -e "s/\//$ngx_regex_dirsep/g" -e "s/^/$ngx_long_regex_cont/"`}

ngx_main_link=${MAIN_LINK:+`echo $MAIN_LINK \
    | sed -e "s/\//$ngx_regex_dirsep/g" -e "s/^/$ngx_long_regex_cont/"`}


cat << END                                                    >> $NGX_MAKEFILE

build:	binary modules manpage

binary:	$NGX_OBJS${ngx_dirsep}nginx$ngx_binext

$NGX_OBJS${ngx_dirsep}nginx$ngx_binext:	$ngx_deps$ngx_spacer
	\$(LINK) $ngx_long_start$ngx_binout$NGX_OBJS${ngx_dirsep}nginx$ngx_long_cont$ngx_objs$ngx_libs$ngx_link$ngx_main_link
	$ngx_rcc
$ngx_long_end

modules:
END


# ngx_modules.c

if test -n "$NGX_PCH"; then
    ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) $ngx_use_pch \$(ALL_INCS)"
else
    ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) \$(CORE_INCS)"
fi

cat << END                                                    >> $NGX_MAKEFILE

$ngx_modules_obj:	\$(CORE_DEPS)$ngx_cont$ngx_modules_c
	$ngx_cc$ngx_tab$ngx_objout$ngx_modules_obj$ngx_tab$ngx_modules_c$NGX_AUX

END


# the core sources

for ngx_src in $CORE_SRCS
do
    ngx_src=`echo $ngx_src | sed -e "s/\//$ngx_regex_dirsep/g"`
    ngx_obj=`echo $ngx_src \
        | sed -e "s#^\(.*\.\)cpp\\$#$ngx_objs_dir\1$ngx_objext#g" \
              -e "s#^\(.*\.\)cc\\$#$ngx_objs_dir\1$ngx_objext#g" \
              -e "s#^\(.*\.\)c\\$#$ngx_objs_dir\1$ngx_objext#g" \
              -e "s#^\(.*\.\)S\\$#$ngx_objs_dir\1$ngx_objext#g"`

    cat << END                                                >> $NGX_MAKEFILE

$ngx_obj:	\$(CORE_DEPS)$ngx_cont$ngx_src
	$ngx_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END

done


# the http sources

if [ $HTTP = YES ]; then

    if test -n "$NGX_PCH"; then
        ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) $ngx_use_pch \$(ALL_INCS)"
    else
        ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) \$(CORE_INCS) \$(HTTP_INCS)"
        ngx_perl_cc="\$(CC) $ngx_compile_opt \$(NGX_PERL_CFLAGS)"
        ngx_perl_cc="$ngx_perl_cc \$(CORE_INCS) \$(HTTP_INCS)"
    fi

    for ngx_source in $HTTP_SRCS
    do
        ngx_src=`echo $ngx_source | sed -e "s/\//$ngx_regex_dirsep/g"`
        ngx_obj=`echo $ngx_src \
            | sed -e "s#^\(.*\.\)cpp\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)cc\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)c\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)S\\$#$ngx_objs_dir\1$ngx_objext#g"`

        if [ $ngx_source = src/http/modules/perl/ngx_http_perl_module.c ]; then

            cat << END                                        >> $NGX_MAKEFILE

$ngx_obj:	\$(CORE_DEPS) \$(HTTP_DEPS)$ngx_cont$ngx_src
	$ngx_perl_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END
        else

            cat << END                                        >> $NGX_MAKEFILE

$ngx_obj:	\$(CORE_DEPS) \$(HTTP_DEPS)$ngx_cont$ngx_src
	$ngx_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END

        fi
     done

fi


# the mail sources

if [ $MAIL = YES ]; then

    if test -n "$NGX_PCH"; then
        ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) $ngx_use_pch \$(ALL_INCS)"
    else
        ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) \$(CORE_INCS) \$(MAIL_INCS)"
    fi

    for ngx_src in $MAIL_SRCS
    do
        ngx_src=`echo $ngx_src | sed -e "s/\//$ngx_regex_dirsep/g"`
        ngx_obj=`echo $ngx_src \
            | sed -e "s#^\(.*\.\)cpp\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)cc\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)c\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)S\\$#$ngx_objs_dir\1$ngx_objext#g"`

        cat << END                                            >> $NGX_MAKEFILE

$ngx_obj:	\$(CORE_DEPS) \$(MAIL_DEPS)$ngx_cont$ngx_src
	$ngx_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END
     done

fi


# the stream sources

if [ $STREAM = YES ]; then

    if test -n "$NGX_PCH"; then
        ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) $ngx_use_pch \$(ALL_INCS)"
    else
        ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) \$(CORE_INCS) \$(STREAM_INCS)"
    fi

    for ngx_src in $STREAM_SRCS
    do
        ngx_src=`echo $ngx_src | sed -e "s/\//$ngx_regex_dirsep/g"`
        ngx_obj=`echo $ngx_src \
            | sed -e "s#^\(.*\.\)cpp\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)cc\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)c\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)S\\$#$ngx_objs_dir\1$ngx_objext#g"`

        cat << END                                            >> $NGX_MAKEFILE

$ngx_obj:	\$(CORE_DEPS) \$(STREAM_DEPS)$ngx_cont$ngx_src
	$ngx_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END
     done

fi


# the misc sources

if test -n "$MISC_SRCS"; then

    ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) $ngx_use_pch \$(ALL_INCS)"

    for ngx_src in $MISC_SRCS
    do
        ngx_src=`echo $ngx_src | sed -e "s/\//$ngx_regex_dirsep/g"`
        ngx_obj=`echo $ngx_src \
            | sed -e "s#^\(.*\.\)cpp\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)cc\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)c\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)S\\$#$ngx_objs_dir\1$ngx_objext#g"`

        cat << END                                            >> $NGX_MAKEFILE

$ngx_obj:	\$(CORE_DEPS) $ngx_cont$ngx_src
	$ngx_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END
     done

fi


# the addons sources

if test -n "$NGX_ADDON_SRCS"; then

    ngx_cc="\$(CC) $ngx_compile_opt \$(CFLAGS) $ngx_use_pch \$(ALL_INCS)"

    for ngx_src in $NGX_ADDON_SRCS
    do
        ngx_obj="addon/`basename \`dirname $ngx_src\``"

        ngx_obj=`echo $ngx_obj/\`basename $ngx_src\` \
            | sed -e "s/\//$ngx_regex_dirsep/g"`

        ngx_obj=`echo $ngx_obj \
            | sed -e "s#^\(.*\.\)cpp\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)cc\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)c\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)S\\$#$ngx_objs_dir\1$ngx_objext#g"`

        ngx_src=`echo $ngx_src | sed -e "s/\//$ngx_regex_dirsep/g"`

        cat << END                                            >> $NGX_MAKEFILE

$ngx_obj:	\$(ADDON_DEPS)$ngx_cont$ngx_src
	$ngx_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END
     done

fi


# the addons config.make

if test -n "$NGX_ADDONS$DYNAMIC_ADDONS"; then

    for ngx_addon_dir in $NGX_ADDONS $DYNAMIC_ADDONS
    do
        if test -f $ngx_addon_dir/config.make; then
            . $ngx_addon_dir/config.make
        fi
    done
fi


# Win32 resource file

if test -n "$NGX_RES"; then

    ngx_res=`echo "$NGX_RES:	$NGX_RC $NGX_ICONS" \
                 | sed -e "s/\//$ngx_regex_dirsep/g"`
    ngx_rcc=`echo $NGX_RCC | sed -e "s/\//$ngx_regex_dirsep/g"`

    cat << END                                                >> $NGX_MAKEFILE

$ngx_res
	$ngx_rcc

END

fi


# the precompiled headers

if test -n "$NGX_PCH"; then
    echo "#include <ngx_config.h>" > $NGX_OBJS/ngx_pch.c

    ngx_pch="src/core/ngx_config.h $OS_CONFIG $NGX_OBJS/ngx_auto_config.h"
    ngx_pch=`echo "$NGX_PCH:	$ngx_pch" | sed -e "s/\//$ngx_regex_dirsep/g"`

    ngx_src="\$(CC) \$(CFLAGS) $NGX_BUILD_PCH $ngx_compile_opt \$(ALL_INCS)"
    ngx_src="$ngx_src $ngx_objout$NGX_OBJS/ngx_pch.obj $NGX_OBJS/ngx_pch.c"
    ngx_src=`echo $ngx_src | sed -e "s/\//$ngx_regex_dirsep/g"`

    cat << END                                                >> $NGX_MAKEFILE

$ngx_pch
	$ngx_src

END

fi


# dynamic modules

if test -n "$NGX_PCH"; then
    ngx_cc="\$(CC) $ngx_compile_opt $ngx_pic_opt \$(CFLAGS) $ngx_use_pch \$(ALL_INCS)"
else
    ngx_cc="\$(CC) $ngx_compile_opt $ngx_pic_opt \$(CFLAGS) \$(ALL_INCS)"
    ngx_perl_cc="\$(CC) $ngx_compile_opt $ngx_pic_opt \$(NGX_PERL_CFLAGS)"
    ngx_perl_cc="$ngx_perl_cc \$(ALL_INCS)"
fi

for ngx_module in $DYNAMIC_MODULES
do
    eval ngx_module_srcs="\$${ngx_module}_SRCS"
    eval eval ngx_module_libs="\\\"\$${ngx_module}_LIBS\\\""

    eval ngx_module_modules="\$${ngx_module}_MODULES"
    eval ngx_module_order="\$${ngx_module}_ORDER"

    ngx_modules_c=$NGX_OBJS/${ngx_module}_modules.c

    cat << END                                    > $ngx_modules_c

#include <ngx_config.h>
#include <ngx_core.h>

END

    for mod in $ngx_module_modules
    do
        echo "extern ngx_module_t  $mod;"         >> $ngx_modules_c
    done

    echo                                          >> $ngx_modules_c
    echo 'ngx_module_t *ngx_modules[] = {'        >> $ngx_modules_c

    for mod in $ngx_module_modules
    do
        echo "    &$mod,"                         >> $ngx_modules_c
    done

    cat << END                                    >> $ngx_modules_c
    NULL
};

END

    echo 'char *ngx_module_names[] = {'           >> $ngx_modules_c

    for mod in $ngx_module_modules
    do
        echo "    \"$mod\","                      >> $ngx_modules_c
    done

    cat << END                                    >> $ngx_modules_c
    NULL
};

END

    echo 'char *ngx_module_order[] = {'           >> $ngx_modules_c

    for mod in $ngx_module_order
    do
        echo "    \"$mod\","                      >> $ngx_modules_c
    done

    cat << END                                    >> $ngx_modules_c
    NULL
};

END

    ngx_modules_c=`echo $ngx_modules_c | sed -e "s/\//$ngx_regex_dirsep/g"`

    ngx_modules_obj=`echo $ngx_modules_c \
        | sed -e "s/\(.*\.\)c/\1$ngx_objext/"`

    ngx_module_objs=
    for ngx_src in $ngx_module_srcs
    do
        case "$ngx_src" in
            src/*)
                ngx_obj=$ngx_src
                ;;
            *)
                ngx_obj="addon/`basename \`dirname $ngx_src\``"
                mkdir -p $NGX_OBJS/$ngx_obj
                ngx_obj="$ngx_obj/`basename $ngx_src`"
                ;;
        esac

        ngx_module_objs="$ngx_module_objs $ngx_obj"
    done

    ngx_module_objs=`echo $ngx_module_objs \
        | sed -e "s#\([^ ]*\.\)cpp#$NGX_OBJS\/\1$ngx_objext#g" \
              -e "s#\([^ ]*\.\)cc#$NGX_OBJS\/\1$ngx_objext#g" \
              -e "s#\([^ ]*\.\)c#$NGX_OBJS\/\1$ngx_objext#g" \
              -e "s#\([^ ]*\.\)S#$NGX_OBJS\/\1$ngx_objext#g"`

    ngx_deps=`echo $ngx_module_objs $ngx_modules_obj $LINK_DEPS \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    ngx_objs=`echo $ngx_module_objs $ngx_modules_obj \
        | sed -e "s/  *\([^ ][^ ]*\)/$ngx_long_regex_cont\1/g" \
              -e "s/\//$ngx_regex_dirsep/g"`

    ngx_obj=$NGX_OBJS$ngx_dirsep$ngx_module$ngx_modext

    if [ "$NGX_PLATFORM" = win32 ]; then
        ngx_module_libs="$CORE_LIBS $ngx_module_libs"
    fi

    ngx_libs=
    if test -n "$NGX_LD_OPT$ngx_module_libs"; then
        ngx_libs=`echo $NGX_LD_OPT $ngx_module_libs \
            | sed -e "s/\//$ngx_regex_dirsep/g" -e "s/^/$ngx_long_regex_cont/"`
    fi

    ngx_link=${CORE_LINK:+`echo $CORE_LINK \
        | sed -e "s/\//$ngx_regex_dirsep/g" -e "s/^/$ngx_long_regex_cont/"`}

    ngx_module_link=${MODULE_LINK:+`echo $MODULE_LINK \
        | sed -e "s/\//$ngx_regex_dirsep/g" -e "s/^/$ngx_long_regex_cont/"`}


    cat << END                                            >> $NGX_MAKEFILE

modules:	$ngx_obj

$ngx_obj:	$ngx_deps$ngx_spacer
	\$(LINK) $ngx_long_start$ngx_binout$ngx_obj$ngx_long_cont$ngx_objs$ngx_libs$ngx_link$ngx_module_link
$ngx_long_end

$ngx_modules_obj:	\$(CORE_DEPS)$ngx_cont$ngx_modules_c
	$ngx_cc$ngx_tab$ngx_objout$ngx_modules_obj$ngx_tab$ngx_modules_c$NGX_AUX

END

    for ngx_source in $ngx_module_srcs
    do
        case "$ngx_source" in
            src/*)
                ngx_obj=`echo $ngx_source | sed -e "s/\//$ngx_regex_dirsep/g"`
                ;;
            *)
                ngx_obj="addon/`basename \`dirname $ngx_source\``"
                ngx_obj=`echo $ngx_obj/\`basename $ngx_source\` \
                    | sed -e "s/\//$ngx_regex_dirsep/g"`
                ;;
        esac

        ngx_obj=`echo $ngx_obj \
            | sed -e "s#^\(.*\.\)cpp\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)cc\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)c\\$#$ngx_objs_dir\1$ngx_objext#g" \
                  -e "s#^\(.*\.\)S\\$#$ngx_objs_dir\1$ngx_objext#g"`

        ngx_src=`echo $ngx_source | sed -e "s/\//$ngx_regex_dirsep/g"`

        if [ $ngx_source = src/http/modules/perl/ngx_http_perl_module.c ]; then

            cat << END                                        >> $NGX_MAKEFILE

$ngx_obj:	\$(ADDON_DEPS)$ngx_cont$ngx_src
	$ngx_perl_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END
        else

            cat << END                                        >> $NGX_MAKEFILE

$ngx_obj:	\$(ADDON_DEPS)$ngx_cont$ngx_src
	$ngx_cc$ngx_tab$ngx_objout$ngx_obj$ngx_tab$ngx_src$NGX_AUX

END

        fi
    done
done