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diff -ru lua-5.4.3.orig/Makefile lua-5.4.3/Makefile
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--- lua-5.4.3.orig/Makefile	2021-03-02 21:04:35.000000000 +0100
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+++ lua-5.4.3/Makefile	2021-10-18 18:33:35.605852816 +0200
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@@ -10,13 +10,14 @@
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 # so take care if INSTALL_TOP is not an absolute path. See the local target.
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 # You may want to make INSTALL_LMOD and INSTALL_CMOD consistent with
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 # LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h.
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-INSTALL_TOP= /usr/local
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-INSTALL_BIN= $(INSTALL_TOP)/bin
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-INSTALL_INC= $(INSTALL_TOP)/include
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-INSTALL_LIB= $(INSTALL_TOP)/lib
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-INSTALL_MAN= $(INSTALL_TOP)/man/man1
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-INSTALL_LMOD= $(INSTALL_TOP)/share/lua/$V
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-INSTALL_CMOD= $(INSTALL_TOP)/lib/lua/$V
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+PREFIX= /
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+INSTALL_TOP= $(PREFIX)
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+INSTALL_BIN= $(DESTDIR)$(INSTALL_TOP)/bin
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+INSTALL_INC= $(DESTDIR)$(INSTALL_TOP)/include/lua$V
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+INSTALL_LIB= $(DESTDIR)$(INSTALL_TOP)/lib
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+INSTALL_MAN= $(DESTDIR)$(INSTALL_TOP)/man/man1
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+INSTALL_LMOD= $(DESTDIR)$(INSTALL_TOP)/share/lua/$V
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+INSTALL_CMOD= $(DESTDIR)$(INSTALL_TOP)/lib/lua/$V
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 # How to install. If your install program does not support "-p", then
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 # you may have to run ranlib on the installed liblua.a.
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@@ -54,12 +55,11 @@
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 $(PLATS) help test clean:
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 	@cd src && $(MAKE) $@
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-install: dummy
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-	cd src && $(MKDIR) $(INSTALL_BIN) $(INSTALL_INC) $(INSTALL_LIB) $(INSTALL_MAN) $(INSTALL_LMOD) $(INSTALL_CMOD)
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-	cd src && $(INSTALL_EXEC) $(TO_BIN) $(INSTALL_BIN)
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-	cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
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-	cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
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-	cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
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+install:
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+	mkdir -p $(INSTALL_BIN) $(INSTALL_INC) $(INSTALL_LIB)
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+	cd src; $(LIBTOOL) --mode=install $(INSTALL_EXEC) lua luac $(INSTALL_BIN)
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+	cd src; $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
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+	cd src; $(LIBTOOL) --mode=install $(INSTALL_DATA) liblua.la $(INSTALL_LIB)
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 uninstall:
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 	cd src && cd $(INSTALL_BIN) && $(RM) $(TO_BIN)
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diff -ru lua-5.4.3.orig/src/luaconf.h lua-5.4.3/src/luaconf.h
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--- lua-5.4.3.orig/src/luaconf.h	2021-03-15 14:32:52.000000000 +0100
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+++ lua-5.4.3/src/luaconf.h	2021-10-18 18:34:55.701853395 +0200
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@@ -217,7 +217,7 @@
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 #else			/* }{ */
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-#define LUA_ROOT	"/usr/local/"
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+#define LUA_ROOT	"/"
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 #define LUA_LDIR	LUA_ROOT "share/lua/" LUA_VDIR "/"
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 #define LUA_CDIR	LUA_ROOT "lib/lua/" LUA_VDIR "/"
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diff -ru lua-5.4.3.orig/src/Makefile lua-5.4.3/src/Makefile
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--- lua-5.4.3.orig/src/Makefile	2021-02-09 19:47:17.000000000 +0100
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+++ lua-5.4.3/src/Makefile	2021-10-18 19:07:15.598332456 +0200
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@@ -7,8 +7,8 @@
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 PLAT= guess
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 CC= gcc -std=gnu99
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-CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_3 $(SYSCFLAGS) $(MYCFLAGS)
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-LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
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+CFLAGS ?= -O2 -Wall -Wextra -DLUA_COMPAT_5_3 $(SYSCFLAGS) $(MYCFLAGS)
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+LDFLAGS ?= $(SYSLDFLAGS) $(MYLDFLAGS)
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 LIBS= -lm $(SYSLIBS) $(MYLIBS)
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 AR= ar rcu
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@@ -50,7 +50,8 @@
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 # Targets start here.
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 default: $(PLAT)
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-all:	$(ALL_T)
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+#all:	$(ALL_T)
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+all: gentoo_all
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 o:	$(ALL_O)
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@@ -60,10 +61,10 @@
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 	$(AR) $@ $(BASE_O)
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 	$(RANLIB) $@
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-$(LUA_T): $(LUA_O) $(LUA_A)
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+origin$(LUA_T): $(LUA_O) $(LUA_A)
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 	$(CC) -o $@ $(LDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
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-$(LUAC_T): $(LUAC_O) $(LUA_A)
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+origin$(LUAC_T): $(LUAC_O) $(LUA_A)
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 	$(CC) -o $@ $(LDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
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 test:
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@@ -220,3 +221,33 @@
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  lobject.h ltm.h lzio.h
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 # (end of Makefile)
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+
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+LIBTOOL = /usr/bin/libtool --quiet --tag=CC
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+LIB_VERSION = 9:3:4
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+RPATH = /lib
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+V = 5.4
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+R = $V.3
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+
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+# The following rules use libtool for compiling and linking in order to
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+# provide shared library support.
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+
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+LIB_NAME = liblua.la
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+LIB_OBJS = $(CORE_O:.o=.lo) $(LIB_O:.o=.lo)
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+
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+%.lo %.o: %.c
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+	$(LIBTOOL) --mode=compile $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
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+
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+$(LIB_NAME): $(LIB_OBJS)
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+	$(LIBTOOL) --mode=link $(CC) -version-info $(LIB_VERSION) \
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+            -rpath $(RPATH) $(LDFLAGS) -o $(LIB_NAME) $(LIB_OBJS) $(LIB_LIBS)
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+
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+$(LUA_T): $(LUA_O:.o=.lo) $(LIB_NAME)
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+	$(LIBTOOL) --mode=link $(CC) -export-dynamic $(LDFLAGS) -o $@ $(LUA_O:.o=.lo) $(LIB_NAME) $(LUA_LIBS)
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+
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+$(LUAC_T): $(LUAC_O:.o=.lo) $(LIB_NAME)
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+	$(LIBTOOL) --mode=link $(CC) $(LDFLAGS) -o $@ $(LUAC_O:.o=.lo) $(LIB_NAME)
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+
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+gentoo_clean:
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+	$(LIBTOOL) --mode=clean $(RM) $(ALL_O:.o=.lo) $(LIB_NAME) lua luac
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+
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+gentoo_all: $(LIB_NAME) $(LUA_T) $(LUAC_T)