Patch lua52 to build on Darwin

pkgs/development/interpreters/lua-5/5.2.darwin.patch

@@ -0,0 +1,52 @@
+diff --git a/Makefile b/Makefile
+index 209a132..9387b09 100644
+--- a/Makefile
++++ b/Makefile
+@@ -43,5 +43,5 @@ PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
+ # What to install.
+ TO_BIN= lua luac
+ TO_INC= lua.h luaconf.h lualib.h lauxlib.h lua.hpp
+-TO_LIB= liblua.a
++TO_LIB= liblua.${version}.dylib
+ TO_MAN= lua.1 luac.1
+
+ # Lua version and release.
+@@ -64,3 +64,5 @@ install: dummy
+ 	cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
+ 	cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
+ 	cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
++	ln -s -f liblua.${version}.dylib $(INSTALL_LIB)/liblua.${majorVersion}.dylib
++	ln -s -f liblua.${majorVersion}.dylib $(INSTALL_LIB)/liblua.dylib
+
+ ranlib:
+ 	cd src && cd $(INSTALL_LIB) && $(RANLIB) $(TO_LIB)
+diff --git a/src/Makefile b/src/Makefile
+index fea895b..d9146d0 100644
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -28,7 +28,7 @@ MYOBJS=
+ 
+ PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
+ 
+-LUA_A=	liblua.a
++LUA_A=	liblua.${version}.dylib
+ 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
+@@ -56,11 +56,13 @@ o:	$(ALL_O)
+ a:	$(ALL_A)
+ 
+ $(LUA_A): $(BASE_O)
+-	$(AR) $@ $(BASE_O)
+-	$(RANLIB) $@
++	$(CC) -dynamiclib -install_name $(out)/lib/liblua.${version}.dylib \
++		-compatibility_version ${version} -current_version ${version} \
++		-o liblua.${version}.dylib $^
+ 
+ $(LUA_T): $(LUA_O) $(LUA_A)
+-	$(CC) -o $@ $(LDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
++	$(CC) -fno-common $(MYLDFLAGS) \
++		-o $@ $(LUA_O) $(LUA_A) -L. -llua.${version} $(LIBS)
+ 
+ $(LUAC_T): $(LUAC_O) $(LUA_A)
+ 	$(CC) -o $@ $(LDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)

pkgs/development/interpreters/lua-5/5.2.nix

@@ -19,9 +19,14 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ readline ];
 
-  patches = [ dsoPatch ];
+  patches = if stdenv.isDarwin then [ ./5.2.darwin.patch ] else [ dsoPatch ];
 
-  configurePhase = ''
+  configurePhase =
+    if stdenv.isDarwin
+    then ''
+    makeFlagsArray=( INSTALL_TOP=$out INSTALL_MAN=$out/share/man/man1 PLAT=macosx CFLAGS="-DLUA_USE_LINUX -fno-common -O2 -fPIC${if compat then " -DLUA_COMPAT_ALL" else ""}" LDLAGS="-fPIC" V=${majorVersion} R=${version} )
+    installFlagsArray=( TO_BIN="lua luac" TO_LIB="liblua.${version}.dylib" INSTALL_DATA='cp -d' )
+  '' else ''
     makeFlagsArray=( INSTALL_TOP=$out INSTALL_MAN=$out/share/man/man1 PLAT=linux CFLAGS="-DLUA_USE_LINUX -O2 -fPIC${if compat then " -DLUA_COMPAT_ALL" else ""}" LDLAGS="-fPIC" V=${majorVersion} R=${version} )
     installFlagsArray=( TO_BIN="lua luac" TO_LIB="liblua.a liblua.so liblua.so.${majorVersion} liblua.so.${version}" INSTALL_DATA='cp -d' )
   '';