gnu: Remove llvm-3.8.

* gnu/packages/llvm.scm (llvm-3.8): Delete variable.
* gnu/packages/patches/llvm-3.x.1-fix-build-with-gcc.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Unregister file.

Fixes: guix/guix#2101
Change-Id: I71cee0723420fb7f928c0d1c747a3bf4424fa344

gnu/local.mk

@@ -1805,7 +1805,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/linux-pam-unix_chkpwd.patch		\
   %D%/packages/patches/lirc-localstatedir.patch			\
   %D%/packages/patches/lirc-reproducible-build.patch		\
-  %D%/packages/patches/llvm-3.x.1-fix-build-with-gcc.patch	\
   %D%/packages/patches/llvm-13-gcc-14.patch			\
   %D%/packages/patches/lm-sensors-hwmon-attrs.patch		\
   %D%/packages/patches/lsh-fix-x11-forwarding.patch		\

gnu/packages/llvm.scm

@@ -1055,33 +1055,6 @@ Library.")
            `(("config" ,config))
            '())))))
 
-(define-public llvm-3.8
-  (package (inherit llvm-6)
-    (name "llvm")
-    (version "3.8.1")
-    (source
-     (origin
-      (method url-fetch)
-      (uri (llvm-uri "llvm" version))
-      (sha256
-       (base32
-        "1ybmnid4pw2hxn12ax5qa5kl1ldfns0njg8533y3mzslvd5cx0kf"))
-      (patches (search-patches "llvm-3.x.1-fix-build-with-gcc.patch"))))
-    (outputs '("out"))
-    (arguments
-     (substitute-keyword-arguments (package-arguments llvm-6)
-       ((#:phases phases)
-        #~(modify-phases #$phases
-            (add-before 'build 'shared-lib-workaround
-              ;; Even with CMAKE_SKIP_BUILD_RPATH=FALSE, llvm-tblgen
-              ;; doesn't seem to get the correct rpath to be able to run
-              ;; from the build directory.  Set LD_LIBRARY_PATH as a
-              ;; workaround.
-              (lambda _
-                (setenv "LD_LIBRARY_PATH"
-                        (string-append (getcwd) "/lib"))))
-            (delete 'install-opt-viewer)))))))
-
 (define-public llvm-16
   (make-llvm "16.0.6"))
 

gnu/packages/patches/llvm-3.x.1-fix-build-with-gcc.patch

@@ -1,15 +0,0 @@
-Patch from https://github.com/digego/extempore/issues/318
-
-diff --git a/include/llvm/IR/ValueMap.h.orig b/include/llvm/IR/ValueMap.h
-index ad518ac..d928f6a 100644
---- a/include/llvm/IR/ValueMap.h
-+++ b/include/llvm/IR/ValueMap.h
-@@ -99,7 +99,7 @@
-   explicit ValueMap(const ExtraData &Data, unsigned NumInitBuckets = 64)
-       : Map(NumInitBuckets), Data(Data) {}
- 
--  bool hasMD() const { return MDMap; }
-+  bool hasMD() const { return static_cast<bool>(MDMap); }
-   MDMapT &MD() {
-     if (!MDMap)
-       MDMap.reset(new MDMapT);