kumquat-buildroot/package/lua/5.1.5/0002-shared-libs-for-lua.patch

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Add the compilation of a shared library.
Compile the lua binary with the shared library.
And install the shared library.
The variable BUILDMODE allows to switch between static and dynamic mode.
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Index: b/Makefile
===================================================================
--- a/Makefile
+++ b/Makefile
@@ -44,6 +44,7 @@
TO_BIN= lua luac
TO_INC= lua.h luaconf.h lualib.h lauxlib.h ../etc/lua.hpp
TO_LIB= liblua.a
+TO_SOLIB = liblua.so.$(R)
TO_MAN= lua.1 luac.1
# Lua version and release.
@@ -61,6 +62,8 @@
install: dummy
cd src && $(MKDIR) $(INSTALL_BIN) $(INSTALL_INC) $(INSTALL_LIB) $(INSTALL_MAN) $(INSTALL_LMOD) $(INSTALL_CMOD)
cd src && $(INSTALL_EXEC) $(TO_BIN) $(INSTALL_BIN)
+ test -f src/$(TO_SOLIB) && cd src && $(INSTALL_EXEC) $(TO_SOLIB) $(INSTALL_LIB) || :
+ test -f src/$(TO_SOLIB) && ln -sf $(TO_SOLIB) $(INSTALL_LIB)/liblua.so || :
cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
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 +37,13 @@
LUAC_O= luac.o print.o
ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)
+ifneq (dynamic,$(BUILDMODE))
ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
+else
+ALL_T= $(LUA_A) $(LUA_SO) $(LUA_T) $(LUAC_T)
+endif
ALL_A= $(LUA_A)
+ALL_SO= $(LUA_SO)
default: $(PLAT)
@@ -47,12 +53,23 @@
a: $(ALL_A)
+so: $(ALL_SO)
+
$(LUA_A): $(CORE_O) $(LIB_O)
$(AR) $@ $(CORE_O) $(LIB_O) # DLL needs all object files
$(RANLIB) $@
+$(LUA_SO): $(CORE_O) $(LIB_O)
+ $(CC) -o $@.$(PKG_VERSION) -shared -Wl,-soname="$@.$(PKG_VERSION)" $?
+ ln -fs $@.$(PKG_VERSION) $@
+
+ifneq (dynamic,$(BUILDMODE))
$(LUA_T): $(LUA_O) $(LUA_A)
$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
+else
+$(LUA_T): $(LUA_O) $(LUA_SO)
+ $(CC) -o $@ -L. $(MYLDFLAGS) $(LUA_O) -llua $(LIBS)
+endif
$(LUAC_T): $(LUAC_O) $(LUA_A)
$(CC) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)