nginx/auto/module
Maxim Dounin 97f59dda09 Dynamic modules.
The auto/module script is extended to understand ngx_module_link=DYNAMIC.
When set, it links the module as a shared object rather than statically
into nginx binary.  The module can later be loaded using the "load_module"
directive.

New auto/module parameter ngx_module_order allows to define module loading
order in complex cases.  By default the order is set based on ngx_module_type.

3rd party modules can be compiled dynamically using the --add-dynamic-module
configure option, which will preset ngx_module_link to "DYNAMIC" before
calling the module config script.

Win32 support is rudimentary, and only works when using MinGW gcc (which
is able to handle exports/imports automatically).

In collaboration with Ruslan Ermilov.
2016-02-04 20:25:29 +03:00

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# Copyright (C) Ruslan Ermilov
# Copyright (C) Nginx, Inc.
case $ngx_module_type in
HTTP_*) ngx_var=HTTP ;;
*) ngx_var=$ngx_module_type ;;
esac
if [ "$ngx_module_link" = DYNAMIC ]; then
for ngx_module in $ngx_module_name; do
# extract the first name
break
done
DYNAMIC_MODULES="$DYNAMIC_MODULES $ngx_module"
eval ${ngx_module}_SRCS=\"$ngx_module_srcs\"
eval ${ngx_module}_MODULES=\"$ngx_module_name\"
if [ -z "$ngx_module_order" -a \
\( "$ngx_module_type" = "HTTP_FILTER" \
-o "$ngx_module_type" = "HTTP_AUX_FILTER" \) ]
then
eval ${ngx_module}_ORDER=\"$ngx_module_name \
ngx_http_copy_filter_module\"
else
eval ${ngx_module}_ORDER=\"$ngx_module_order\"
fi
if test -n "$ngx_module_incs"; then
CORE_INCS="$CORE_INCS $ngx_module_incs"
fi
libs=
for lib in $ngx_module_libs
do
case $lib in
LIBXSLT | LIBGD | GEOIP)
libs="$libs \$NGX_LIB_$lib"
if eval [ "\$USE_${lib}" = NO ] ; then
eval USE_${lib}=DYNAMIC
fi
;;
PCRE | OPENSSL | MD5 | SHA1 | ZLIB | PERL)
eval USE_${lib}=YES
;;
*)
libs="$libs $lib"
;;
esac
done
eval ${ngx_module}_LIBS=\'$libs\'
elif [ "$ngx_module_link" = YES ]; then
eval ${ngx_module_type}_MODULES=\"\$${ngx_module_type}_MODULES \
$ngx_module_name\"
eval ${ngx_var}_SRCS=\"\$${ngx_var}_SRCS $ngx_module_srcs\"
if test -n "$ngx_module_incs"; then
eval ${ngx_var}_INCS=\"\$${ngx_var}_INCS $ngx_module_incs\"
fi
if test -n "$ngx_module_deps"; then
eval ${ngx_var}_DEPS=\"\$${ngx_var}_DEPS $ngx_module_deps\"
fi
for lib in $ngx_module_libs
do
case $lib in
PCRE | OPENSSL | MD5 | SHA1 | ZLIB | LIBXSLT | LIBGD | PERL | GEOIP)
eval USE_${lib}=YES
;;
*)
CORE_LIBS="$CORE_LIBS $lib"
;;
esac
done
elif [ "$ngx_module_link" = ADDON ]; then
eval ${ngx_module_type}_MODULES=\"\$${ngx_module_type}_MODULES \
$ngx_module_name\"
NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_module_srcs"
if test -n "$ngx_module_incs"; then
eval ${ngx_var}_INCS=\"\$${ngx_var}_INCS $ngx_module_incs\"
fi
if test -n "$ngx_module_deps"; then
NGX_ADDON_DEPS="$NGX_ADDON_DEPS $ngx_module_deps"
fi
for lib in $ngx_module_libs
do
case $lib in
PCRE | OPENSSL | MD5 | SHA1 | ZLIB | LIBXSLT | LIBGD | PERL | GEOIP)
eval USE_${lib}=YES
;;
*)
CORE_LIBS="$CORE_LIBS $lib"
;;
esac
done
fi