[Buildroot] [PATCH] lua: remove shared library feature

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Tue Aug 13 22:36:52 UTC 2013


François, Gustavo,

Can you look at the below patch and tell me what you think?

Thanks,

Thomas

On Sun,  4 Nov 2012 13:45:24 +0100, Arnout Vandecappelle
(Essensium/Mind) wrote:
> The shared library is a feature we added to lua, but it doesn't work
> correctly.  Since we anyway normally don't add features to packages,
> just remove all the support for the shared library.
> 
> Fixes
> http://autobuild.buildroot.net/results/3946da859a0dcab99a8db8b91fd9428d9e85bdf1/
> 
> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
> ---
> Francois, Gustavo, could you review and Ack this patch please?  You're
> more or less the lua maintainers...
> 
> v2: Added reference to autobuild failure
> 
>  package/lua/Config.in                         |    7 --
>  package/lua/lua-02-shared-libs-for-lua.patch  |   49 -------------
>  package/lua/lua-03-shared-libs-for-luac.patch |   97 -------------------------
>  package/lua/lua.mk                            |   28 +------
>  4 files changed, 2 insertions(+), 179 deletions(-)
> 
> diff --git a/package/lua/Config.in b/package/lua/Config.in
> index 76359c0..c85b6ab 100644
> --- a/package/lua/Config.in
> +++ b/package/lua/Config.in
> @@ -9,13 +9,11 @@ if BR2_PACKAGE_LUA
>  
>  config BR2_PACKAGE_LUA_COMPILER
>  	bool "lua compiler"
> -	select BR2_PACKAGE_LUA_SHARED_LIBRARY
>  	help
>  	  Install luac binary
>  
>  config BR2_PACKAGE_LUA_INTERPRETER
>  	bool "lua interpreter"
> -	select BR2_PACKAGE_LUA_SHARED_LIBRARY
>  	help
>  	  Install lua binary
>  
> @@ -27,9 +25,4 @@ config BR2_PACKAGE_LUA_INTERPRETER_READLINE
>  	help
>  	  Enables command-line editing in the lua interpreter.
>  
> -config BR2_PACKAGE_LUA_SHARED_LIBRARY
> -	bool "shared library"
> -	help
> -	  Install shared liblua.so
> -
>  endif
> diff --git a/package/lua/lua-02-shared-libs-for-lua.patch b/package/lua/lua-02-shared-libs-for-lua.patch
> deleted file mode 100644
> index 454e660..0000000
> --- a/package/lua/lua-02-shared-libs-for-lua.patch
> +++ /dev/null
> @@ -1,49 +0,0 @@
> -Add the compilation of a shared library.
> -Compile the lua binary with the shared library.
> -
> -Signed-off-by: Francois Perrad <francois.perrad at gadz.org>
> -
> -Index: b/src/Makefile
> -===================================================================
> ---- a/src/Makefile
> -+++ b/src/Makefile
> -@@ -23,6 +23,7 @@
> - PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
> - 
> - LUA_A=	liblua.a
> -+LUA_SO=	liblua.so
> - CORE_O=	lapi.o lcode.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o \
> - 	lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o  \
> - 	lundump.o lvm.o lzio.o
> -@@ -36,8 +37,9 @@
> - LUAC_O=	luac.o print.o
> - 
> - ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)
> --ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
> -+ALL_T= $(LUA_A) $(LUA_SO) $(LUA_T) $(LUAC_T)
> - ALL_A= $(LUA_A)
> -+ALL_SO= $(LUA_SO)
> - 
> - default: $(PLAT)
> - 
> -@@ -47,12 +49,18 @@
> - 
> - a:	$(ALL_A)
> - 
> -+so:	$(ALL_SO)
> -+
> - $(LUA_A): $(CORE_O) $(LIB_O)
> - 	$(AR) $@ $(CORE_O) $(LIB_O)	# DLL needs all object files
> - 	$(RANLIB) $@
> - 
> --$(LUA_T): $(LUA_O) $(LUA_A)
> --	$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
> -+$(LUA_SO): $(CORE_O) $(LIB_O)
> -+	$(CC) -o $@.$(PKG_VERSION) -shared -Wl,-soname="$@.$(PKG_VERSION)" $? -nostdlib -lgcc
> -+	ln -fs $@.$(PKG_VERSION) $@
> -+
> -+$(LUA_T): $(LUA_O) $(LUA_SO)
> -+	$(CC) -o $@ -L. $(MYLDFLAGS) $(LUA_O) -llua $(LIBS)
> - 
> - $(LUAC_T): $(LUAC_O) $(LUA_A)
> - 	$(CC) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
> diff --git a/package/lua/lua-03-shared-libs-for-luac.patch b/package/lua/lua-03-shared-libs-for-luac.patch
> deleted file mode 100644
> index 33f9183..0000000
> --- a/package/lua/lua-03-shared-libs-for-luac.patch
> +++ /dev/null
> @@ -1,97 +0,0 @@
> -Compile the luac binary with the shared library.
> -Many internal functions (LUAI_FUNC) must be exported (LUA_API).
> -
> -Signed-off-by: Francois Perrad <francois.perrad at gadz.org>
> -
> -Index: b/src/ldo.h
> -===================================================================
> ---- a/src/ldo.h
> -+++ b/src/ldo.h
> -@@ -46,7 +46,7 @@
> - LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
> - LUAI_FUNC void luaD_reallocCI (lua_State *L, int newsize);
> - LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
> --LUAI_FUNC void luaD_growstack (lua_State *L, int n);
> -+LUA_API void luaD_growstack (lua_State *L, int n);
> - 
> - LUAI_FUNC void luaD_throw (lua_State *L, int errcode);
> - LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
> -Index: b/src/lfunc.h
> -===================================================================
> ---- a/src/lfunc.h
> -+++ b/src/lfunc.h
> -@@ -18,7 +18,7 @@
> -                          cast(int, sizeof(TValue *)*((n)-1)))
> - 
> - 
> --LUAI_FUNC Proto *luaF_newproto (lua_State *L);
> -+LUA_API Proto *luaF_newproto (lua_State *L);
> - LUAI_FUNC Closure *luaF_newCclosure (lua_State *L, int nelems, Table *e);
> - LUAI_FUNC Closure *luaF_newLclosure (lua_State *L, int nelems, Table *e);
> - LUAI_FUNC UpVal *luaF_newupval (lua_State *L);
> -Index: b/src/lmem.h
> -===================================================================
> ---- a/src/lmem.h
> -+++ b/src/lmem.h
> -@@ -38,9 +38,9 @@
> -    ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
> - 
> - 
> --LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
> -+LUA_API void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
> -                                                           size_t size);
> --LUAI_FUNC void *luaM_toobig (lua_State *L);
> -+LUA_API void *luaM_toobig (lua_State *L);
> - LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
> -                                size_t size_elem, int limit,
> -                                const char *errormsg);
> -Index: b/src/lstring.h
> -===================================================================
> ---- a/src/lstring.h
> -+++ b/src/lstring.h
> -@@ -25,7 +25,7 @@
> - 
> - LUAI_FUNC void luaS_resize (lua_State *L, int newsize);
> - LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, Table *e);
> --LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
> -+LUA_API TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
> - 
> - 
> - #endif
> -Index: b/src/lundump.h
> -===================================================================
> ---- a/src/lundump.h
> -+++ b/src/lundump.h
> -@@ -17,7 +17,7 @@
> - LUAI_FUNC void luaU_header (char* h);
> - 
> - /* dump one chunk; from ldump.c */
> --LUAI_FUNC int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip);
> -+LUA_API int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip);
> - 
> - #ifdef luac_c
> - /* print one chunk; from print.c */
> -Index: b/src/Makefile
> -===================================================================
> ---- a/src/Makefile
> -+++ b/src/Makefile
> -@@ -34,7 +34,7 @@
> - LUA_O=	lua.o
> - 
> - LUAC_T=	luac
> --LUAC_O=	luac.o print.o
> -+LUAC_O=	luac.o print.o lopcodes.o
> - 
> - ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)
> - ALL_T= $(LUA_A) $(LUA_SO) $(LUA_T) $(LUAC_T)
> -@@ -62,8 +62,8 @@
> - $(LUA_T): $(LUA_O) $(LUA_SO)
> - 	$(CC) -o $@ -L. -llua $(MYLDFLAGS) $(LUA_O) $(LIBS)
> - 
> --$(LUAC_T): $(LUAC_O) $(LUA_A)
> --	$(CC) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
> -+$(LUAC_T): $(LUAC_O) $(LUA_SO)
> -+	$(CC) -o $@ -L. $(MYLDFLAGS) $(LUAC_O) -llua $(LIBS)
> - 
> - clean:
> - 	$(RM) $(ALL_T) $(ALL_O)
> diff --git a/package/lua/lua.mk b/package/lua/lua.mk
> index de60c57..cc5cd34 100644
> --- a/package/lua/lua.mk
> +++ b/package/lua/lua.mk
> @@ -11,9 +11,6 @@ LUA_LICENSE = MIT
>  LUA_LICENSE_FILES = COPYRIGHT
>  
>  LUA_CFLAGS = -Wall
> -ifeq ($(BR2_PACKAGE_LUA_SHARED_LIBRARY),y)
> -	LUA_CFLAGS += -fPIC
> -endif
>  
>  LUA_MYLIBS += -ldl
>  
> @@ -28,7 +25,7 @@ endif
>  # We never want to have host-readline and host-ncurses as dependencies
>  # of host-lua.
>  HOST_LUA_DEPENDENCIES =
> -HOST_LUA_CFLAGS = -Wall -fPIC -DLUA_USE_DLOPEN -DLUA_USE_POSIX
> +HOST_LUA_CFLAGS = -Wall -DLUA_USE_DLOPEN -DLUA_USE_POSIX
>  HOST_LUA_MYLIBS = -ldl
>  
>  define LUA_BUILD_CMDS
> @@ -46,14 +43,6 @@ define HOST_LUA_BUILD_CMDS
>  	PKG_VERSION=$(LUA_VERSION) -C $(@D)/src all
>  endef
>  
> -ifeq ($(BR2_PACKAGE_LUA_SHARED_LIBRARY),y)
> -define LUA_INSTALL_STAGING_SHARED_LIB
> -	$(INSTALL) -m 0755 -D $(@D)/src/liblua.so.$(LUA_VERSION) \
> -		$(STAGING_DIR)/usr/lib/liblua.so.$(LUA_VERSION)
> -	ln -sf liblua.so.$(LUA_VERSION) $(STAGING_DIR)/usr/lib/liblua.so
> -endef
> -endif
> -
>  define LUA_INSTALL_STAGING_CMDS
>  	$(INSTALL) -m 0644 -D $(@D)/etc/lua.pc \
>  		$(STAGING_DIR)/usr/lib/pkgconfig/lua.pc
> @@ -78,18 +67,9 @@ define LUA_INSTALL_COMPILER
>  endef
>  endif
>  
> -ifeq ($(BR2_PACKAGE_LUA_SHARED_LIBRARY),y)
>  define LUA_INSTALL_LIBRARY
> -	$(INSTALL) -m 0755 -D $(@D)/src/liblua.so.$(LUA_VERSION) \
> -		$(TARGET_DIR)/usr/lib/liblua.so.$(LUA_VERSION)
> -	ln -sf liblua.so.$(LUA_VERSION) $(TARGET_DIR)/usr/lib/liblua.so
>  	$(INSTALL) -m 0644 -D $(@D)/src/liblua.a $(TARGET_DIR)/usr/lib/liblua.a
>  endef
> -else
> -define LUA_INSTALL_LIBRARY
> -	$(INSTALL) -m 0644 -D $(@D)/src/liblua.a $(TARGET_DIR)/usr/lib/liblua.a
> -endef
> -endif
>  
>  ifeq ($(BR2_HAVE_DEVFILES),y)
>  define LUA_INSTALL_DEVFILES
> @@ -112,9 +92,6 @@ endef
>  define HOST_LUA_INSTALL_CMDS
>  	$(INSTALL) -m 0755 -D $(@D)/src/lua $(HOST_DIR)/usr/bin/lua
>  	$(INSTALL) -m 0755 -D $(@D)/src/luac $(HOST_DIR)/usr/bin/luac
> -	$(INSTALL) -m 0755 -D $(@D)/src/liblua.so.$(LUA_VERSION) \
> -		$(HOST_DIR)/usr/lib/liblua.so.$(LUA_VERSION)
> -	ln -sf liblua.so.$(LUA_VERSION) $(HOST_DIR)/usr/lib/liblua.so
>  	$(INSTALL) -m 0644 -D $(@D)/src/liblua.a $(HOST_DIR)/usr/lib/liblua.a
>  	$(INSTALL) -m 0644 -D $(@D)/etc/lua.pc \
>  		$(HOST_DIR)/usr/lib/pkgconfig/lua.pc
> @@ -132,8 +109,7 @@ LUA_INSTALLED_FILES = \
>  	/usr/lib/pkgconfig/lua.pc \
>  	/usr/bin/lua \
>  	/usr/bin/luac \
> -	/usr/lib/liblua.a \
> -	/usr/lib/liblua.so*
> +	/usr/lib/liblua.a
>  
>  define LUA_UNINSTALL_STAGING_CMDS
>  	for i in $(LUA_INSTALLED_FILES); do \



-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com


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