contrib/gpg-error: simplify darwin triplet handling

Instead of copying the header files around, change the triplet
canonicalization function to correctly remove version numbers for
darwin triplets.

contrib/src/gpg-error/darwin-triplet.patch

@@ -0,0 +1,25 @@
+--- libgpg-error-1.27_orig/src/mkheader.c	2017-02-28 13:32:33.000000000 +0100
++++ libgpg-error-1.27/src/mkheader.c	2020-01-23 11:36:50.000000000 +0100
+@@ -107,7 +107,21 @@
+           return xstrdup (lastalias);
+         }
+     }
+-  return xstrdup (triplet);
++  /* Darwin triplet de-versioning */
++  char *res_triplet = xstrdup (triplet);
++
++  char *triplet_last = strrchr(res_triplet, '-');
++  if (triplet_last == NULL) {
++    fprintf (stderr, PGM ": unexpected host triplet missing any separator: '%s'",
++               res_triplet);
++    exit (1);
++  }
++  triplet_last++; /* Advance past the dash */
++  if (strncmp("darwin", triplet_last, 6) == 0) {
++    triplet_last[6] = '\0';
++  }
++
++  return res_triplet;
+ }
+ 
+ 

contrib/src/gpg-error/rules.mak

@@ -24,6 +24,7 @@ endif
 	$(APPLY) $(SRC)/gpg-error/win32-unicode.patch
 	$(APPLY) $(SRC)/gpg-error/version-bump-gawk-5.patch
 	$(APPLY) $(SRC)/gpg-error/win32-extern-struct.patch
+	$(APPLY) $(SRC)/gpg-error/darwin-triplet.patch
 	$(MOVE)
 ifdef HAVE_ANDROID
 ifeq ($(ARCH),aarch64)
@@ -33,29 +34,6 @@ else
 	cp $@/src/syscfg/lock-obj-pub.arm-unknown-linux-androideabi.h $@/src/syscfg/lock-obj-pub.linux-android.h
 endif
 endif
-ifdef HAVE_DARWIN_OS
-ifdef HAVE_ARMV7A
-ifneq ($(HOST),arm-apple-darwin)
-	cp $@/src/syscfg/lock-obj-pub.arm-apple-darwin.h $@/src/syscfg/lock-obj-pub.$(HOST).h
-endif
-else
-ifeq ($(ARCH),aarch64)
-ifneq ($(HOST),aarch64-apple-darwin)
-	cp $@/src/syscfg/lock-obj-pub.aarch64-apple-darwin.h $@/src/syscfg/lock-obj-pub.$(HOST).h
-endif
-else
-ifeq ($(ARCH),x86_64)
-ifneq ($(HOST),x86_64-apple-darwin)
-	cp $@/src/syscfg/lock-obj-pub.x86_64-apple-darwin.h $@/src/syscfg/lock-obj-pub.$(HOST).h
-endif
-else
-ifneq ($(HOST),i386-apple-darwin)
-	cp $@/src/syscfg/lock-obj-pub.x86_64-apple-darwin.h $@/src/syscfg/lock-obj-pub.$(HOST).h
-endif
-endif
-endif
-endif
-endif
 ifdef HAVE_NACL
 ifeq ($(ARCH),i386) # 32bits intel
 	cp $@/src/syscfg/lock-obj-pub.i686-pc-linux-gnu.h $@/src/syscfg/lock-obj-pub.nacl.h