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Convert a config file to build a dynamic module #22

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Convert a config file to build a dynamic module #22

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371 changes: 369 additions & 2 deletions config
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Original file line number Diff line number Diff line change
@@ -1,3 +1,370 @@
ngx_addon_name=ngx_http_lua_upstream_module
HTTP_MODULES="$HTTP_MODULES ngx_http_lua_upstream_module"
NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/src/ngx_http_lua_upstream_module.c"
HTTP_LUA_UPSTREAM_SRCS="$ngx_addon_dir/src/ngx_http_lua_upstream_module.c"

ngx_feature="Lua library"
ngx_feature_libs="-llua -lm"
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This is too much. I don't think ngx_lua_upstream should link against Lua. It already depends on ngx_lua anyway.

ngx_feature_name=
ngx_feature_run=no
ngx_feature_incs="#include <lauxlib.h>"
ngx_feature_path=
ngx_feature_test="#if LUA_VERSION_NUM != 501
# error unsupported Lua language version
#endif
(void) luaL_newstate();"
ngx_lua_opt_I=
ngx_lua_opt_L=

if [ -n "$LUAJIT_INC" -o -n "$LUAJIT_LIB" ]; then
# explicitly set LuaJIT paths

if [ "$NGX_PLATFORM" = win32 ]; then
ngx_feature="LuaJIT library in $LUAJIT_LIB and $LUAJIT_INC (win32)"
ngx_feature_path="$LUAJIT_INC"
ngx_lua_opt_I="-I$LUAJIT_INC"
ngx_lua_opt_L="-L$LUAJIT_LIB"

# ensure that our -I$LUAJIT_INC and -L$LUAJIT_LIB is at the first.
SAVED_CC_TEST_FLAGS="$CC_TEST_FLAGS"
CC_TEST_FLAGS="$ngx_lua_opt_I $CC_TEST_FLAGS"
SAVED_NGX_TEST_LD_OPT="$NGX_TEST_LD_OPT"
NGX_TEST_LD_OPT="$ngx_lua_opt_L $NGX_TEST_LD_OPT"

# LuaJIT's win32 build uses the library file name lua51.dll.
ngx_feature_libs="$ngx_lua_opt_L -llua51"

. auto/feature

# clean up
CC_TEST_FLAGS="$SAVED_CC_TEST_FLAGS"
NGX_TEST_LD_OPT="$SAVED_NGX_TEST_LD_OPT"
else

# attempt to link with -ldl, static linking on Linux requires it.
ngx_feature="LuaJIT library in $LUAJIT_LIB and $LUAJIT_INC (specified by the LUAJIT_LIB and LUAJIT_INC env, with -ldl)"
ngx_feature_path="$LUAJIT_INC"
ngx_lua_opt_I="-I$LUAJIT_INC"
ngx_lua_opt_L="-L$LUAJIT_LIB"

# ensure that our -I$LUAJIT_INC and -L$LUAJIT_LIB is at the first.
SAVED_CC_TEST_FLAGS="$CC_TEST_FLAGS"
CC_TEST_FLAGS="$ngx_lua_opt_I $CC_TEST_FLAGS"
SAVED_NGX_TEST_LD_OPT="$NGX_TEST_LD_OPT"
NGX_TEST_LD_OPT="$ngx_lua_opt_L $NGX_TEST_LD_OPT"

if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R$LUAJIT_LIB $ngx_lua_opt_L -lluajit-5.1 -lm -ldl"
else
ngx_feature_libs="$ngx_lua_opt_L -lluajit-5.1 -lm -ldl"
fi

. auto/feature

# clean up
CC_TEST_FLAGS="$SAVED_CC_TEST_FLAGS"
NGX_TEST_LD_OPT="$SAVED_NGX_TEST_LD_OPT"

if [ $ngx_found = no ]; then
# retry without -ldl
ngx_feature="LuaJIT library in $LUAJIT_LIB and $LUAJIT_INC (specified by the LUAJIT_LIB and LUAJIT_INC env)"
ngx_feature_path="$LUAJIT_INC"
ngx_lua_opt_I="-I$LUAJIT_INC"
ngx_lua_opt_L="-L$LUAJIT_LIB"

# ensure that our -I$LUAJIT_INC and -L$LUAJIT_LIB is at the first.
SAVED_CC_TEST_FLAGS="$CC_TEST_FLAGS"
CC_TEST_FLAGS="$ngx_lua_opt_I $CC_TEST_FLAGS"
SAVED_NGX_TEST_LD_OPT="$NGX_TEST_LD_OPT"
NGX_TEST_LD_OPT="$ngx_lua_opt_L $NGX_TEST_LD_OPT"

if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R$LUAJIT_LIB $ngx_lua_opt_L -lluajit-5.1 -lm"
else
ngx_feature_libs="$ngx_lua_opt_L -lluajit-5.1 -lm"
fi

. auto/feature

# clean up
CC_TEST_FLAGS="$SAVED_CC_TEST_FLAGS"
NGX_TEST_LD_OPT="$SAVED_NGX_TEST_LD_OPT"
fi
fi

if [ $ngx_found = no ]; then
cat << END
$0: error: ngx_http_lua_module requires the Lua or LuaJIT library and LUAJIT_LIB is defined as $LUAJIT_LIB and LUAJIT_INC (path for lua.h) $LUAJIT_INC, but we cannot find LuaJIT there.
END
exit 1
fi

case "$NGX_PLATFORM" in
Darwin:*)
case "$NGX_MACHINE" in
amd64 | x86_64 | i386)
echo "adding extra linking options needed by LuaJIT"
ngx_feature_libs="$ngx_feature_libs -pagezero_size 10000 -image_base 100000000"
;;

*)
;;
esac
;;

*)
;;
esac
else
if [ -n "$LUA_INC" -o -n "$LUA_LIB" ]; then
# explicitly set Lua paths
ngx_feature="Lua library in $LUA_LIB and $LUA_INC (specified by the LUA_LIB and LUA_INC env)"
ngx_feature_path="$LUA_INC"
ngx_lua_opt_I="-I$LUA_INC"
ngx_lua_opt_L="-L$LUA_LIB"

# ensure that our -I$LUA_INC and -L$LUA_LIB is at the first.
SAVED_CC_TEST_FLAGS="$CC_TEST_FLAGS"
CC_TEST_FLAGS="$ngx_lua_opt_I $CC_TEST_FLAGS"
SAVED_NGX_TEST_LD_OPT="$NGX_TEST_LD_OPT"
NGX_TEST_LD_OPT="$ngx_lua_opt_L $NGX_TEST_LD_OPT"

if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R$LUA_LIB $ngx_lua_opt_L -llua -lm -ldl"
else
ngx_feature_libs="$ngx_lua_opt_L -llua -lm -ldl"
fi

. auto/feature

# clean up
CC_TEST_FLAGS="$SAVED_CC_TEST_FLAGS"
NGX_TEST_LD_OPT="$SAVED_NGX_TEST_LD_OPT"

if [ $ngx_found = no ]; then
# retry without -ldl

ngx_feature_path="$LUA_INC"
ngx_lua_opt_I="-I$LUA_INC"
ngx_lua_opt_L="-L$LUA_LIB"

# ensure that our -I$LUA_INC and -L$LUA_LIB is at the first.
SAVED_CC_TEST_FLAGS="$CC_TEST_FLAGS"
CC_TEST_FLAGS="$ngx_lua_opt_I $CC_TEST_FLAGS"
SAVED_NGX_TEST_LD_OPT="$NGX_TEST_LD_OPT"
NGX_TEST_LD_OPT="$ngx_lua_opt_L $NGX_TEST_LD_OPT"

if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R$LUA_LIB $ngx_lua_opt_L -llua -lm"
else
ngx_feature_libs="$ngx_lua_opt_L -llua -lm"
fi

. auto/feature

# clean up
CC_TEST_FLAGS="$SAVED_CC_TEST_FLAGS"
NGX_TEST_LD_OPT="$SAVED_NGX_TEST_LD_OPT"
fi

if [ $ngx_found = no ]; then
cat << END
$0: error: ngx_http_lua_module requires the Lua or LuaJIT library and LUA_LIB is defined as $LUA_LIB and LUA_INC (path for lua.h) is $LUA_INC, but we cannot find standard Lua there.
END
exit 1
fi
else
# auto-discovery
ngx_feature="Lua library"
ngx_feature_libs="-llua -lm"
. auto/feature

if [ $ngx_found = no ]; then
# OpenBSD-5.2
ngx_feature="Lua library in /usr/local/"
ngx_feature_path="/usr/local/include/lua-5.1"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/local/lib -L/usr/local/lib -llua -lm"
else
ngx_feature_libs="-L/usr/local/lib -llua5.1 -lm"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# OpenBSD < 5.2
ngx_feature="Lua library in /usr/local/"
ngx_feature_path="/usr/local/include"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/local/lib -L/usr/local/lib -llua -lm"
else
ngx_feature_libs="-L/usr/local/lib -llua -lm"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# NetBSD
ngx_feature="Lua library in /usr/pkg/"
ngx_feature_path="/usr/pkg/include/"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/pkg/lib -L/usr/pkg/lib -lm -llua"
else
ngx_feature_libs="-L/usr/pkg/lib -lm -llua"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# MacPorts
ngx_feature="Lua library in /opt/local/"
ngx_feature_path="/opt/local/include"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/opt/local/lib -L/opt/local/lib -lm -llua"
else
ngx_feature_libs="-L/opt/local/lib -lm -llua"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# FreeBSD
ngx_feature="Lua library in /usr/local/*/lua51/"
ngx_feature_path="/usr/local/include/lua51"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/local/lib/lua51 -L/usr/local/lib/lua51 -llua -lm"
else
ngx_feature_libs="-L/usr/local/lib/lua51 -llua -lm"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# Debian
ngx_feature="Lua library in /usr/"
ngx_feature_path="/usr/include/lua5.1"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/lib -L/usr/lib -lm -llua5.1"
else
ngx_feature_libs="-L/usr/lib -lm -llua5.1"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# FreeBSD with luajit-2.0 from ports collection
ngx_feature="LuaJIT library in /usr/local/"
ngx_feature_path="/usr/local/include/luajit-2.0"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/local/lib -L/usr/local/lib -lluajit-5.1 -lm"
else
ngx_feature_libs="-L/usr/local/lib -lluajit-5.1 -lm"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# Gentoo with LuaJIT-2.0, try with -ldl
ngx_feature="LuaJIT library in /usr/"
ngx_feature_path="/usr/include/luajit-2.0"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/lib -L/usr/lib -lm -lluajit-5.1 -ldl"
else
ngx_feature_libs="-L/usr/lib -lm -lluajit-5.1 -ldl"
fi
. auto/feature
fi

if [ $ngx_found = no ]; then
# Gentoo with LuaJIT 2.0
ngx_feature="LuaJIT library in /usr/"
ngx_feature_path="/usr/include/luajit-2.0"
if [ $NGX_RPATH = YES ]; then
ngx_feature_libs="-R/usr/lib -L/usr/lib -lm -lluajit-5.1"
else
ngx_feature_libs="-L/usr/lib -lm -lluajit-5.1"
fi
. auto/feature
fi
fi
fi

ngx_module_incs=
ngx_module_libs=

if [ $ngx_found = yes ]; then
# this is a hack to persuade nginx's build system to favor
# the paths set by our user environments:
CFLAGS="$ngx_lua_opt_I $CFLAGS"
NGX_LD_OPT="$ngx_lua_opt_L $NGX_LD_OPT"

ngx_module_incs="$ngx_module_incs $ngx_feature_path"
ngx_module_libs="$ngx_module_libs $ngx_feature_libs"
else
cat << END
$0: error: ngx_http_lua_module requires the Lua library.
END
exit 1
fi

CFLAGS="$CFLAGS -DNDK_SET_VAR"

ngx_feature="export symbols by default (-E)"
ngx_feature_libs="-Wl,-E"
ngx_feature_name=
ngx_feature_run=no
ngx_feature_incs="#include <stdio.h>"
ngx_feature_path=
ngx_feature_test='printf("hello");'

. auto/feature

if [ $ngx_found = yes ]; then
CORE_LIBS="-Wl,-E $CORE_LIBS"
fi

# for Cygwin
ngx_feature="export symbols by default (--export-all-symbols)"
ngx_feature_libs="-Wl,--export-all-symbols"
ngx_feature_name=
ngx_feature_run=no
ngx_feature_incs="#include <stdio.h>"
ngx_feature_path=
ngx_feature_test='printf("hello");'

. auto/feature

if [ $ngx_found = yes ]; then
CORE_LIBS="-Wl,--export-all-symbols $CORE_LIBS"
fi

NGX_DTRACE_PROVIDERS="$NGX_DTRACE_PROVIDERS $ngx_addon_dir/dtrace/ngx_lua_provider.d"
NGX_TAPSET_SRCS="$NGX_TAPSET_SRCS $ngx_addon_dir/tapset/ngx_lua.stp"

USE_MD5=YES
USE_SHA1=YES

CORE_INCS="$CORE_INCS $ngx_addon_dir/src/api"

ngx_feature="SO_PASSCRED"
ngx_feature_libs=
ngx_feature_name="NGX_HTTP_LUA_HAVE_SO_PASSCRED"
ngx_feature_run=no
ngx_feature_incs="#include <sys/types.h>
#include <sys/socket.h>"
ngx_feature_path=
ngx_feature_test='setsockopt(1, SOL_SOCKET, SO_PASSCRED, NULL, 0);'

. auto/feature

if test -n "$ngx_module_link"; then
ngx_module_type=HTTP
ngx_module_name=$ngx_addon_name
ngx_module_srcs="$HTTP_LUA_UPSTREAM_SRCS"

. auto/module
else
HTTP_MODULES="$HTTP_MODULES $ngx_addon_name"
NGX_ADDON_SRCS="$NGX_ADDON_SRCS $HTTP_LUA_UPSTREAM_SRCS"

CORE_INCS="$CORE_INCS $ngx_module_incs"
CORE_LIBS="$CORE_LIBS $ngx_module_libs"
fi