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package/lua: add options for coercion between number and string

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The default behavior of Lua 5.3/5.4 interperter (and the only way with
Lua 5.1) is the automatic coercion. This default behavior could change
in future version (ie. Lua 5.5).

Disabling automatic coercion increases the performance of the interpreter.

Currently, using automatic coercion is not a good/recommended practice,
but there are no way (expect testing) to say if a Lua module relies on it.

We add two options to drive coercion in either way, and we make those
options default to y, as this was the de-facto situation until now; lua
5.1 forces those options: this will help when/if we have packages that
actually requires them, but has otherwise no requirement on the lua
version.

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
[yann.morin.1998@free.fr:
  - don't limit options to lua 5.3||5.4
  - force those options for lua 5.1
  - extend commit log accordingly
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Francois Perrad
2023-01-18 16:46:14 +01:00
committed by Yann E. MORIN
parent e7797603d2
commit c77c66b7df
2 changed files with 24 additions and 0 deletions
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8
package/lua/lua.mk
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@@ -31,6 +31,14 @@ else ifeq ($(BR2_PACKAGE_LUA_5_3),y)
LUA_CFLAGS += -DLUA_COMPAT_5_2
endif
ifeq ($(BR2_PACKAGE_LUA_CVT_N2S),)
LUA_CFLAGS += -DLUA_NOCVTN2S
endif
ifeq ($(BR2_PACKAGE_LUA_CVT_S2N),)
LUA_CFLAGS += -DLUA_NOCVTS2N
endif
ifeq ($(BR2_STATIC_LIBS),y)
LUA_BUILDMODE = static
else