fix small issues, add web assembly support.

1 files changed, 127 insertions, 95 deletions

diff --git a/src/lua/makefile b/src/lua/makefile
index ccd5315..f78c0b8 100644
--- a/src/lua/makefile
+++ b/src/lua/makefile
@@ -1,89 +1,54 @@
-# makefile for building Lua
-# see INSTALL for installation instructions
-# see ../Makefile and luaconf.h for further customization
+# Makefile for building Lua
+# See ../doc/readme.html for installation and customization instructions.
 
 # == CHANGE THE SETTINGS BELOW TO SUIT YOUR ENVIRONMENT =======================
 
-# Warnings valid for both C and C++
-CWARNSCPP= \
-        -Wextra \
-        -Wshadow \
-        -Wsign-compare \
-        -Wundef \
-        -Wwrite-strings \
-        -Wredundant-decls \
-        -Wdisabled-optimization \
-        -Wdouble-promotion \
-        # the next warnings might be useful sometimes,
-        # but usually they generate too much noise
-        # -Werror \
-        # -pedantic   # warns if we use jump tables \
-        # -Wconversion  \
-        # -Wsign-conversion \
-        # -Wstrict-overflow=2 \
-        # -Wformat=2 \
-        # -Wcast-qual \
-
-# The next warnings are neither valid nor needed for C++
-CWARNSC= -Wdeclaration-after-statement \
-        -Wmissing-prototypes \
-        -Wnested-externs \
-        -Wstrict-prototypes \
-        -Wc++-compat \
-        -Wold-style-definition \
-
-
-CWARNS= $(CWARNSCPP) $(CWARNSC)
-
-
-# -DEXTERNMEMCHECK -DHARDSTACKTESTS -DHARDMEMTESTS -DTRACEMEM='"tempmem"'
-# -DMAXINDEXRK=1 -DLUA_COMPAT_5_3
-# -g -DLUA_USER_H='"ltests.h"'
-# -pg -malign-double
-# -DLUA_USE_CTYPE -DLUA_USE_APICHECK
-# ('-ftrapv' for runtime checks of integer overflows)
-# -fsanitize=undefined -ftrapv -fno-inline
-
-
-LOCAL = $(CWARNS)
-
-
-# enable Linux goodies
-MYCFLAGS= $(LOCAL) -std=c99
-
-UNAME_S:=$(shell uname -s)
-ifeq ($(UNAME_S),Darwin)
-        MYCFLAGS += -DLUA_USE_MACOSX
-        MYLDFLAGS= $(LOCAL) -Wl
-else
-        MYCFLAGS += -DLUA_USE_LINUX
-        MYLDFLAGS= $(LOCAL) -Wl,-E
-endif
-
-CC= gcc
-CFLAGS= -Wall -O2 $(MYCFLAGS) -fno-stack-protector -fno-common
-AR= ar rc
+# Your platform. See PLATS for possible values.
+PLAT= guess
+
+CC= gcc -std=gnu99
+CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_3 $(SYSCFLAGS) $(MYCFLAGS)
+LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
+LIBS= -lm $(SYSLIBS) $(MYLIBS)
+
+AR= ar rcu
 RANLIB= ranlib
 RM= rm -f
+UNAME= uname
+
+SYSCFLAGS=
+SYSLDFLAGS=
+SYSLIBS=
+
+MYCFLAGS=
+MYLDFLAGS=
+MYLIBS=
+MYOBJS=
 
+# Special flags for compiler modules; -Os reduces code size.
+CMCFLAGS= 
 
+# == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
 
-# == END OF USER SETTINGS. NO NEED TO CHANGE ANYTHING BELOW THIS LINE =========
+PLATS= guess aix bsd c89 freebsd generic linux linux-readline macosx mingw posix solaris
 
+LUA_A=  liblua.a
+CORE_O= lapi.o lcode.o lctype.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
+LIB_O=  lauxlib.o lbaselib.o lcorolib.o ldblib.o liolib.o lmathlib.o loadlib.o loslib.o lstrlib.o ltablib.o lutf8lib.o linit.o
+BASE_O= $(CORE_O) $(LIB_O) $(MYOBJS)
 
-LIBS = -lm
+LUA_T=  lua
+LUA_O=  lua.o
 
-CORE_T= liblua.a
-CORE_O= lapi.o lcode.o lctype.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
-AUX_O=  lauxlib.o
-LIB_O=  lbaselib.o ldblib.o liolib.o lmathlib.o loslib.o ltablib.o lstrlib.o \
-        lutf8lib.o loadlib.o lcorolib.o linit.o
+LUAC_T= luac
+LUAC_O= luac.o
 
-ALL_T= $(CORE_T)
-ALL_O= $(CORE_O) $(AUX_O) $(LIB_O)
-ALL_A= $(CORE_T)
+ALL_O= $(BASE_O) $(LUA_O) $(LUAC_O)
+ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
+ALL_A= $(LUA_A)
+
+# Targets start here.
+default: $(PLAT)
 
 all:    $(ALL_T)
 
@@ -91,40 +56,104 @@ o:	$(ALL_O)
 
 a:      $(ALL_A)
 
-$(CORE_T): $(CORE_O) $(AUX_O) $(LIB_O)
-        $(AR) $@ $?
+$(LUA_A): $(BASE_O)
+        $(AR) $@ $(BASE_O)
         $(RANLIB) $@
 
-llex.o:
-        $(CC) $(CFLAGS) -Os -c llex.c
+$(LUA_T): $(LUA_O) $(LUA_A)
+        $(CC) -o $@ $(LDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
 
-lparser.o:
-        $(CC) $(CFLAGS) -Os -c lparser.c
-
-lcode.o:
-        $(CC) $(CFLAGS) -Os -c lcode.c
+$(LUAC_T): $(LUAC_O) $(LUA_A)
+        $(CC) -o $@ $(LDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
 
+test:
+        ./$(LUA_T) -v
 
 clean:
         $(RM) $(ALL_T) $(ALL_O)
 
 depend:
-        @$(CC) $(CFLAGS) -MM *.c
+        @$(CC) $(CFLAGS) -MM l*.c
 
 echo:
-        @echo "CC = $(CC)"
-        @echo "CFLAGS = $(CFLAGS)"
-        @echo "AR = $(AR)"
-        @echo "RANLIB = $(RANLIB)"
-        @echo "RM = $(RM)"
-        @echo "MYCFLAGS = $(MYCFLAGS)"
-        @echo "MYLDFLAGS = $(MYLDFLAGS)"
-        @echo "DL = $(DL)"
+        @echo "PLAT= $(PLAT)"
+        @echo "CC= $(CC)"
+        @echo "CFLAGS= $(CFLAGS)"
+        @echo "LDFLAGS= $(SYSLDFLAGS)"
+        @echo "LIBS= $(LIBS)"
+        @echo "AR= $(AR)"
+        @echo "RANLIB= $(RANLIB)"
+        @echo "RM= $(RM)"
+        @echo "UNAME= $(UNAME)"
+
+# Convenience targets for popular platforms.
+ALL= all
+
+help:
+        @echo "Do 'make PLATFORM' where PLATFORM is one of these:"
+        @echo "   $(PLATS)"
+        @echo "See doc/readme.html for complete instructions."
+
+guess:
+        @echo Guessing `$(UNAME)`
+        @$(MAKE) `$(UNAME)`
+
+AIX aix:
+        $(MAKE) $(ALL) CC="xlc" CFLAGS="-O2 -DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-ldl" SYSLDFLAGS="-brtl -bexpall"
+
+bsd:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-Wl,-E"
+
+c89:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_C89" CC="gcc -std=c89"
+        @echo ''
+        @echo '*** C89 does not guarantee 64-bit integers for Lua.'
+        @echo '*** Make sure to compile all external Lua libraries'
+        @echo '*** with LUA_USE_C89 to ensure consistency'
+        @echo ''
 
-$(ALL_O): makefile
+FreeBSD NetBSD OpenBSD freebsd:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -DLUA_USE_READLINE -I/usr/include/edit" SYSLIBS="-Wl,-E -ledit" CC="cc"
+
+generic: $(ALL)
+
+Linux linux:    linux-noreadline
+
+linux-noreadline:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl"
+
+linux-readline:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -DLUA_USE_READLINE" SYSLIBS="-Wl,-E -ldl -lreadline"
+
+Darwin macos macosx:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_MACOSX -DLUA_USE_READLINE" SYSLIBS="-lreadline"
+
+mingw:
+        $(MAKE) "LUA_A=lua54.dll" "LUA_T=lua.exe" \
+        "AR=$(CC) -shared -o" "RANLIB=strip --strip-unneeded" \
+        "SYSCFLAGS=-DLUA_BUILD_AS_DLL" "SYSLIBS=" "SYSLDFLAGS=-s" lua.exe
+        $(MAKE) "LUAC_T=luac.exe" luac.exe
+
+posix:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX"
+
+SunOS solaris:
+        $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN -D_REENTRANT" SYSLIBS="-ldl"
+
+# Targets that do not create files (not all makes understand .PHONY).
+.PHONY: all $(PLATS) help test clean default o a depend echo
+
+# Compiler modules may use special flags.
+llex.o:
+        $(CC) $(CFLAGS) $(CMCFLAGS) -c llex.c
+
+lparser.o:
+        $(CC) $(CFLAGS) $(CMCFLAGS) -c lparser.c
+
+lcode.o:
+        $(CC) $(CFLAGS) $(CMCFLAGS) -c lcode.c
 
-# DO NOT EDIT
-# automatically made with 'gcc -MM l*.c'
+# DO NOT DELETE
 
 lapi.o: lapi.c lprefix.h lua.h luaconf.h lapi.h llimits.h lstate.h \
  lobject.h ltm.h lzio.h lmem.h ldebug.h ldo.h lfunc.h lgc.h lstring.h \
@@ -177,6 +206,9 @@ ltable.o: ltable.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
 ltablib.o: ltablib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
 ltm.o: ltm.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
  llimits.h ltm.h lzio.h lmem.h ldo.h lgc.h lstring.h ltable.h lvm.h
+lua.o: lua.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
+luac.o: luac.c lprefix.h lua.h luaconf.h lauxlib.h ldebug.h lstate.h \
+ lobject.h llimits.h ltm.h lzio.h lmem.h lopcodes.h lopnames.h lundump.h
 lundump.o: lundump.c lprefix.h lua.h luaconf.h ldebug.h lstate.h \
  lobject.h llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lstring.h lgc.h \
  lundump.h