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BUILD: try to automatically detect the Lua library name

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Depending on the distribution, the Lua library can have different names.
Some distributions will require -llua5.2, others -llua52, and other systems may
require -llua.

Now, the Makefile will try to guess the library name, in order of priority :
"lua5.2", "lua52", or "lua".
This commit is contained in:
Cyril Bont 2015-03-03 23:13:03 +01:00 committed by Willy Tarreau
parent 84bb49328d
commit c21adb5b00
1 changed files with 14 additions and 1 deletions
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15
Makefile
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@ -77,6 +77,8 @@
# SSL_INC : force the include path to libssl/libcrypto # SSL_INC : force the include path to libssl/libcrypto
# LUA_LIB : force the lib path to lua # LUA_LIB : force the lib path to lua
# LUA_INC : force the include 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 : lua5.2, lua52, lua).
# IGNOREGIT : ignore GIT commit versions if set. # IGNOREGIT : ignore GIT commit versions if set.
# VERSION : force haproxy version reporting. # VERSION : force haproxy version reporting.
# SUBVERS : add a sub-version (eg: platform, model, ...). # SUBVERS : add a sub-version (eg: platform, model, ...).
@ -561,8 +563,19 @@ endif
endif endif
ifneq ($(USE_LUA),) ifneq ($(USE_LUA),)
check_lua_lib = $(shell echo "int main(){}" | $(CC) -o /dev/null -x c - $(2) -l$(1) 2>/dev/null && echo $(1))
OPTIONS_CFLAGS += -DUSE_LUA $(if $(LUA_INC),-I$(LUA_INC)) OPTIONS_CFLAGS += -DUSE_LUA $(if $(LUA_INC),-I$(LUA_INC))
OPTIONS_LDFLAGS += $(if $(LUA_LIB),-L$(LUA_LIB)) -llua -lm LUA_LD_FLAGS := $(if $(LUA_LIB),-L$(LUA_LIB))
ifeq ($(LUA_LIB_NAME),)
# Try to automatically detect the Lua library
LUA_LIB_NAME := $(firstword $(foreach lib,lua5.2 lua52 lua,$(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 lua5.2, lua52, lua, ...))
endif
endif
OPTIONS_LDFLAGS += $(LUA_LD_FLAGS) -l$(LUA_LIB_NAME) -lm
OPTIONS_OBJS += src/hlua.o OPTIONS_OBJS += src/hlua.o
endif endif