[Buildroot] [git commit] lua: add option 32bits
Peter Korsgaard
peter at korsgaard.com
Mon Feb 2 15:09:46 UTC 2015
commit: http://git.buildroot.net/buildroot/commit/?id=984bd5a94d7cd519fe3b5c3ddc7810b18978d9bc
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master
[Peter: tweak config/help text]
Signed-off-by: Francois Perrad <francois.perrad at gadz.org>
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
package/lua/Config.in | 11 +++++++++++
package/lua/lua.mk | 8 ++++++++
package/luabitop/Config.in | 4 ++++
3 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/package/lua/Config.in b/package/lua/Config.in
index dde999f..d9f85e2 100644
--- a/package/lua/Config.in
+++ b/package/lua/Config.in
@@ -33,6 +33,17 @@ config BR2_PACKAGE_LUAINTERPRETER_ABI_VERSION
default "5.2" if BR2_PACKAGE_LUA_5_2
default "5.3" if BR2_PACKAGE_LUA_5_3
+if BR2_PACKAGE_LUA_5_3
+config BR2_PACKAGE_LUA_32BITS
+ bool "Use 32 bit numbers"
+ default y if !BR2_ARCH_IS_64
+ help
+ Use a 32 bit data type for numbers / integers instead of the
+ default 64 bit type. This option is particularly attractive
+ for small machines and embedded systems.
+
+endif
+
choice
prompt "Lua command-line editing"
default BR2_PACKAGE_LUA_EDITING_NONE
diff --git a/package/lua/lua.mk b/package/lua/lua.mk
index 0e30186..f008d34 100644
--- a/package/lua/lua.mk
+++ b/package/lua/lua.mk
@@ -58,6 +58,14 @@ ifneq ($(BR2_LARGEFILE),y)
LUA_CFLAGS += -D_FILE_OFFSET_BITS=32
endif
+ifeq ($(BR2_PACKAGE_LUA_32BITS),y)
+define LUA_32BITS_LUACONF
+ $(SED) 's/\/\* #define LUA_32BITS \*\//#define LUA_32BITS/' $(@D)/src/luaconf.h
+endef
+
+LUA_POST_PATCH_HOOKS += LUA_32BITS_LUACONF
+endif
+
# We never want to have host-readline and host-ncurses as dependencies
# of host-lua.
HOST_LUA_DEPENDENCIES =
diff --git a/package/luabitop/Config.in b/package/luabitop/Config.in
index 83a85b1..c5b3f60 100644
--- a/package/luabitop/Config.in
+++ b/package/luabitop/Config.in
@@ -1,7 +1,11 @@
config BR2_PACKAGE_LUABITOP
bool "luabitop"
+ depends on !BR2_PACKAGE_LUA_32BITS
help
Lua BitOp is a C extension module for Lua 5.1/5.2 which adds bitwise
operations on numbers.
http://bitop.luajit.org
+
+comment "luabitop needs a full Lua interpreter"
+ depends on BR2_PACKAGE_LUA_32BITS
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