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package/lua: allow to load native modules from host-lua

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In order to allow the host Lua interpreter to load native modules, we
need to enable building liblua.so, by switching from BUILDMODE=static
to BUILDMODE=dynamic.

In addition, since some modules need Lua 5.2 functions, we build the
host Lua interpreter with -DLUA_COMPAT_5_2, when the Lua interpreter
version is 5.3. Note that we are testing the target option
BR2_PACKAGE_LUA_5_3, but this is OK: the host and target Lua
interpreters have the same version.

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Francois Perrad 2020-03-22 09:07:05 +01:00 committed by Thomas Petazzoni
parent 060eb0e7e4
commit b98e8e6f50
1 changed files with 4 additions and 1 deletions
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5
package/lua/lua.mk
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@ -55,6 +55,9 @@ LUA_POST_PATCH_HOOKS += LUA_32BITS_LUACONF
endif
HOST_LUA_CFLAGS = -Wall -fPIC -DLUA_USE_DLOPEN -DLUA_USE_POSIX
ifeq ($(BR2_PACKAGE_LUA_5_3),y)
HOST_LUA_CFLAGS += -DLUA_COMPAT_5_2
endif
HOST_LUA_MYLIBS = -ldl
define LUA_BUILD_CMDS
@ -74,7 +77,7 @@ define HOST_LUA_BUILD_CMDS
CFLAGS="$(HOST_LUA_CFLAGS)" \
MYLDFLAGS="$(HOST_LDFLAGS)" \
MYLIBS="$(HOST_LUA_MYLIBS)" \
BUILDMODE=static \
BUILDMODE=dynamic \
PKG_VERSION=$(LUA_VERSION) -C $(@D)/src all
sed -e "s/@VERSION@/$(LUA_VERSION)/;s/@ABI@/$(LUAINTERPRETER_ABIVER)/;s/@MYLIBS@/$(HOST_LUA_MYLIBS)/" \
package/lua/lua.pc.in > $(@D)/lua.pc