gnu: Fix luajit installation

* gnu/packages/lua.scm (luajit): Apply 2 patches.
* gnu-system.am (dist_patch_DATA): Register 2 patches.
* gnu/packages/patches/luajit-no_ldconfig.patch: New file.
* gnu/packages/patches/luajit-symlinks.patch: New file.

gnu-system.am

@@ -441,6 +441,8 @@ dist_patch_DATA =						\
   gnu/packages/patches/libvpx-vp9-out-of-bounds-access.patch	\
   gnu/packages/patches/lm-sensors-hwmon-attrs.patch		\
   gnu/packages/patches/lua51-liblua-so.patch                    \
+  gnu/packages/patches/luajit-2.0.3-no_ldconfig.patch		\
+  gnu/packages/patches/luajit-2.0.3-symlinks.patch		\
   gnu/packages/patches/luit-posix.patch				\
   gnu/packages/patches/m4-gets-undeclared.patch			\
   gnu/packages/patches/make-impure-dirs.patch			\

gnu/packages/lua.scm

@@ -87,7 +87,9 @@ for configuration, scripting, and rapid prototyping.")
               (uri (string-append "http://luajit.org/download/LuaJIT-"
                                   version ".tar.gz"))
               (sha256
-               (base32 "0ydxpqkmsn2c341j4r2v6r5r0ig3kbwv3i9jran3iv81s6r6rgjm"))))
+               (base32 "0ydxpqkmsn2c341j4r2v6r5r0ig3kbwv3i9jran3iv81s6r6rgjm"))
+	      (patches (list (search-patch "luajit-symlinks.patch")
+			     (search-patch "luajit-no_ldconfig.patch")))))
     (build-system gnu-build-system)
     (arguments
      '(#:tests? #f                      ;luajit is distributed without tests

gnu/packages/patches/luajit-no_ldconfig.patch

@@ -0,0 +1,31 @@
+From 629200f48e18dc1a3a5229739748bad0e2a6a0a2 Mon Sep 17 00:00:00 2001
+From: =?utf8?q?Tom=C3=A1=C5=A1=20=C4=8Cech?= <sleep_walker@suse.cz>
+Date: Wed, 4 Feb 2015 11:37:16 +0100
+Subject: [PATCH] Do not silently and prematurely end install when ldconfig is
+ missing
+
+---
+ Makefile | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 343ecb5..4667146 100644
+--- a/Makefile
++++ b/Makefile
+@@ -112,9 +112,10 @@ install: $(INSTALL_DEP)
+ 	$(RM) $(INSTALL_TSYM) $(INSTALL_DYN) $(INSTALL_SHORT1) $(INSTALL_SHORT2)
+ 	cd src && test -f $(FILE_SO) && \
+ 	  $(INSTALL_X) $(FILE_SO) $(INSTALL_DYN) && \
+-	  $(LDCONFIG) $(INSTALL_LIB) && \
+-	  $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT1) && \
+-	  $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT2) || :
++	  ( $(LDCONFIG) $(INSTALL_LIB) ; \
++	    $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT1) && \
++	    $(SYMLINK) $(INSTALL_SONAME) $(INSTALL_SHORT2) || : \
++	  )
+ 	cd etc && $(INSTALL_F) $(FILE_MAN) $(INSTALL_MAN)
+ 	cd etc && $(SED_PC) $(FILE_PC) > $(FILE_PC).tmp && \
+ 	  $(INSTALL_F) $(FILE_PC).tmp $(INSTALL_PC) && \
+-- 
+2.2.2
+

gnu/packages/patches/luajit-symlinks.patch

@@ -0,0 +1,25 @@
+From 0a54a8f125d7ab508c7c88d5ad4ed1b0c63cb5b6 Mon Sep 17 00:00:00 2001
+From: =?utf8?q?Tom=C3=A1=C5=A1=20=C4=8Cech?= <sleep_walker@suse.cz>
+Date: Wed, 4 Feb 2015 11:32:55 +0100
+Subject: [PATCH 1/2] Provide two symlinks for dynamic library during install
+
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 0891b71..343ecb5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -56,7 +56,7 @@ INSTALL_PCNAME= luajit.pc
+ INSTALL_STATIC= $(INSTALL_LIB)/$(INSTALL_ANAME)
+ INSTALL_DYN= $(INSTALL_LIB)/$(INSTALL_SONAME)
+ INSTALL_SHORT1= $(INSTALL_LIB)/$(INSTALL_SOSHORT)
+-INSTALL_SHORT2= $(INSTALL_LIB)/$(INSTALL_SOSHORT)
++INSTALL_SHORT2= $(INSTALL_LIB)/$(INSTALL_SOSHORT).$(MAJVER)
+ INSTALL_T= $(INSTALL_BIN)/$(INSTALL_TNAME)
+ INSTALL_TSYM= $(INSTALL_BIN)/$(INSTALL_TSYMNAME)
+ INSTALL_PC= $(INSTALL_PKGCONFIG)/$(INSTALL_PCNAME)
+-- 
+2.2.2
+