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BUILD: Makefile: Add Lua 5.4 autodetect

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This patch is based on:
https://www.mail-archive.com/haproxy@formilux.org/msg39689.html
Thanks to Callum Farmer!

Signed-off-by: Christian Ruppert <idl0r@qasl.de>
This commit is contained in:
Christian Ruppert 2022-06-28 10:03:00 +02:00 committed by William Lallemand
parent 7509ec369a
commit 3214b44702
2 changed files with 7 additions and 7 deletions
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6
INSTALL
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@ -324,9 +324,9 @@ Lua is an embedded programming language supported by HAProxy to provide more
advanced scripting capabilities. Only versions 5.3 and above are supported.
In order to enable Lua support, please specify "USE_LUA=1" on the command line.
Some systems provide this library under various names to avoid conflicts with
previous versions. By default, HAProxy looks for "lua5.3", "lua53", "lua". If
your system uses a different naming, you may need to set the library name in
the "LUA_LIB_NAME" variable.
previous versions. By default, HAProxy looks for "lua5.4", "lua54", "lua5.3",
"lua53", "lua". If your system uses a different naming, you may need to set the
library name in the "LUA_LIB_NAME" variable.
If Lua is not provided on your system, it can be very simply built locally. It
can be downloaded from https://www.lua.org/, extracted and built, for example :

8
Makefile
View File

@ -104,7 +104,7 @@
# LUA_LIB : force the lib path to lua
# LUA_INC : force the include path to lua
# LUA_LIB_NAME : force the lib name (or automatically evaluated, by order of
# priority : lua5.3, lua53, lua).
# priority : lua5.4, lua54, lua5.3, lua53, lua).
# OT_DEBUG : compile the OpenTracing filter in debug mode
# OT_INC : force the include path to libopentracing-c-wrapper
# OT_LIB : force the lib path to libopentracing-c-wrapper
@ -648,11 +648,11 @@ OPTIONS_CFLAGS += $(if $(LUA_INC),-I$(LUA_INC))
LUA_LD_FLAGS := -Wl,$(if $(EXPORT_SYMBOL),$(EXPORT_SYMBOL),--export-dynamic) $(if $(LUA_LIB),-L$(LUA_LIB))
ifeq ($(LUA_LIB_NAME),)
# Try to automatically detect the Lua library
LUA_LIB_NAME := $(firstword $(foreach lib,lua5.3 lua53 lua,$(call check_lua_lib,$(lib),$(LUA_LD_FLAGS))))
LUA_LIB_NAME := $(firstword $(foreach lib,lua5.4 lua54 lua5.3 lua53 lua,$(call check_lua_lib,$(lib),$(LUA_LD_FLAGS))))
ifeq ($(LUA_LIB_NAME),)
$(error unable to automatically detect the Lua library name, you can enforce its name with LUA_LIB_NAME=<name> (where <name> can be lua5.3, lua53, lua, ...))
$(error unable to automatically detect the Lua library name, you can enforce its name with LUA_LIB_NAME=<name> (where <name> can be lua5.4, lua54, lua, ...))
endif
LUA_INC := $(firstword $(foreach lib,lua5.3 lua53 lua,$(call check_lua_inc,$(lib),"/usr/include/")))
LUA_INC := $(firstword $(foreach lib,lua5.4 lua54 lua5.3 lua53 lua,$(call check_lua_inc,$(lib),"/usr/include/")))
ifneq ($(LUA_INC),)
OPTIONS_CFLAGS += -I$(LUA_INC)
endif