From f9c2f684e816df1241b66afddd14341cac68dda3 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Mon, 14 Apr 2014 14:39:23 -0500
Subject: [PATCH] Allow lua5 to build as a dylib on Darwin

---
 .../interpreters/lua-5/5.1.darwin.patch       | 52 +++++++++++++++++++
 pkgs/development/interpreters/lua-5/5.1.nix   |  9 +++-
 2 files changed, 59 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/development/interpreters/lua-5/5.1.darwin.patch

diff --git a/pkgs/development/interpreters/lua-5/5.1.darwin.patch b/pkgs/development/interpreters/lua-5/5.1.darwin.patch
new file mode 100644
index 000000000000..b7754da79baf
--- /dev/null
+++ b/pkgs/development/interpreters/lua-5/5.1.darwin.patch
@@ -0,0 +1,52 @@
+diff --git a/Makefile b/Makefile
+index 209a132..9387b09 100644
+--- a/Makefile
++++ b/Makefile
+@@ -43,7 +43,7 @@ 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 ../etc/lua.hpp
+-TO_LIB= liblua.a
++TO_LIB= liblua.5.1.5.dylib
+ TO_MAN= lua.1 luac.1
+
+ # Lua version and release.
+@@ -64,6 +64,8 @@ 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.5.1.5.dylib $(INSTALL_LIB)/liblua.5.1.dylib
++	ln -s -f liblua.5.1.dylib $(INSTALL_LIB)/liblua.dylib
+
+ ranlib:
+ 	cd src && cd $(INSTALL_LIB) && $(RANLIB) $(TO_LIB)
+diff --git a/src/Makefile b/src/Makefile
+index e0d4c9f..4477d7b 100644
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -22,7 +22,7 @@ MYLIBS=
+
+ PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
+
+-LUA_A=	liblua.a
++LUA_A=	liblua.5.1.5.dylib
+ 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
+@@ -48,11 +48,13 @@ o:	$(ALL_O)
+ a:	$(ALL_A)
+
+ $(LUA_A): $(CORE_O) $(LIB_O)
+-	$(AR) $@ $(CORE_O) $(LIB_O)	# DLL needs all object files
+-	$(RANLIB) $@
++	$(CC) -dynamiclib -install_name $(out)/lib/liblua.5.1.dylib \
++		-compatibility_version 5.1 -current_version 5.1.5 \
++		-o liblua.5.1.5.dylib $^
+
+ $(LUA_T): $(LUA_O) $(LUA_A)
+-	$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
++	$(CC) -fno-common $(MYLDFLAGS) \
++		-o $@ $(LUA_O) $(LUA_A) -L. -llua.5.1.5 $(LIBS)
+
+ $(LUAC_T): $(LUAC_O) $(LUA_A)
+ 	$(CC) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
diff --git a/pkgs/development/interpreters/lua-5/5.1.nix b/pkgs/development/interpreters/lua-5/5.1.nix
index 27b1589d27fa..9a57a034ad19 100644
--- a/pkgs/development/interpreters/lua-5/5.1.nix
+++ b/pkgs/development/interpreters/lua-5/5.1.nix
@@ -18,9 +18,14 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ readline ];
 
-  patches = [ dsoPatch ];
+  patches = if stdenv.isDarwin then [ ./5.1.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" LDLAGS="" )
+    installFlagsArray=( TO_BIN="lua luac" TO_LIB="liblua.5.1.5.dylib" INSTALL_DATA='cp -d' )
+  '' else ''
     makeFlagsArray=( INSTALL_TOP=$out INSTALL_MAN=$out/share/man/man1 PLAT=linux CFLAGS="-DLUA_USE_LINUX -O2 -fPIC" LDLAGS="-fPIC" )
     installFlagsArray=( TO_BIN="lua luac" TO_LIB="liblua.a liblua.so liblua.so.5.1 liblua.so.5.1.5" INSTALL_DATA='cp -d' )
   '';