ghc-bignum: update gmp to 6.3.0

This patch bumps the gmp-tarballs submodule and updates gmp to 6.3.0.
The tarball format is now xz, and gmpsrc.patch has been patched into
the tarball so hadrian no longer needs to deal with patching logic
when building in-tree GMP.

hadrian/src/Rules/Gmp.hs

@@ -143,23 +143,18 @@ gmpRules = do
                 gmpP      = takeDirectory gmpBuildP
             ctx <- makeGmpPathContext gmpP
             removeDirectory gmpBuildP
-            -- Note: We use a tarball like gmp-4.2.4-nodoc.tar.bz2, which is
-            -- gmp-4.2.4.tar.bz2 repacked without the doc/ directory contents.
+            -- Note: We use a tarball like gmp-4.2.4-nodoc.tar.xz, which is
+            -- gmp-4.2.4.tar.xz repacked without the doc/ directory contents.
             -- That's because the doc/ directory contents are under the GFDL,
             -- which causes problems for Debian.
             tarball <- unifyPath . fromSingleton "Exactly one GMP tarball is expected"
-                   <$> getDirectoryFiles top [gmpBase -/- "gmp-tarballs/gmp*.tar.bz2"]
+                   <$> getDirectoryFiles top [gmpBase -/- "gmp-tarballs/gmp*.tar.xz"]
 
             withTempDir $ \dir -> do
                 let tmp = unifyPath dir
                 need [top -/- tarball]
                 build $ target ctx (Tar Extract) [top -/- tarball] [tmp]
 
-                let patch     = gmpBase -/- "gmpsrc.patch"
-                    patchName = takeFileName patch
-                copyFile patch $ tmp -/- patchName
-                applyPatch tmp patchName
-
                 let name    = dropExtension . dropExtension $ takeFileName tarball
                     unpack  = fromMaybe . error $ "gmpRules: expected suffix "
                         ++ "-nodoc (found: " ++ name ++ ")."

gmp-tarballs @ 01149ce3

-Subproject commit 4f26049af40afb380eaf033ab91404cd2e214919
+Subproject commit 01149ce3471128e9fe0feca607579981f4b64395

libraries/ghc-bignum/gmp/gmpsrc.patch

-diff -Naur gmp-6.2.1/Makefile.am gmpbuild/Makefile.am
---- gmp-6.2.1/Makefile.am	2020-11-15 02:45:09.000000000 +0800
-+++ gmpbuild/Makefile.am	2021-01-09 22:56:14.571708858 +0800
-@@ -112,7 +112,7 @@
- LIBGMPXX_LT_AGE      = 6
- 
- 
--SUBDIRS = tests mpn mpz mpq mpf printf scanf rand cxx demos tune doc
-+SUBDIRS = tests mpn mpz mpq mpf printf scanf rand cxx demos tune
- 
- EXTRA_DIST = configfsf.guess configfsf.sub .gdbinit INSTALL.autoconf \
- 	     COPYING.LESSERv3 COPYINGv2 COPYINGv3
-diff -Naur gmp-6.2.1/Makefile.in gmpbuild/Makefile.in
---- gmp-6.2.1/Makefile.in	2020-11-15 02:45:16.000000000 +0800
-+++ gmpbuild/Makefile.in	2021-01-10 16:15:37.387670402 +0800
-@@ -572,7 +572,7 @@
- LIBGMPXX_LT_CURRENT = 10
- LIBGMPXX_LT_REVISION = 1
- LIBGMPXX_LT_AGE = 6
--SUBDIRS = tests mpn mpz mpq mpf printf scanf rand cxx demos tune doc
-+SUBDIRS = tests mpn mpz mpq mpf printf scanf rand cxx demos tune
- 
- # Put asl.h here for now.
- 
-diff -Naur gmp-6.2.1/configure gmpbuild/configure
---- gmp-6.2.1/configure	2020-11-15 02:45:15.000000000 +0800
-+++ gmpbuild/configure	2021-01-10 16:13:59.196004951 +0800
-@@ -27985,7 +27985,7 @@
- # FIXME: Upcoming version of autoconf/automake may not like broken lines.
- #        Right now automake isn't accepting the new AC_CONFIG_FILES scheme.
- 
--ac_config_files="$ac_config_files Makefile mpf/Makefile mpn/Makefile mpq/Makefile mpz/Makefile printf/Makefile scanf/Makefile rand/Makefile cxx/Makefile tests/Makefile tests/devel/Makefile tests/mpf/Makefile tests/mpn/Makefile tests/mpq/Makefile tests/mpz/Makefile tests/rand/Makefile tests/misc/Makefile tests/cxx/Makefile doc/Makefile tune/Makefile demos/Makefile demos/calc/Makefile demos/expr/Makefile gmp.h:gmp-h.in gmp.pc:gmp.pc.in gmpxx.pc:gmpxx.pc.in"
-+ac_config_files="$ac_config_files Makefile mpf/Makefile mpn/Makefile mpq/Makefile mpz/Makefile printf/Makefile scanf/Makefile rand/Makefile cxx/Makefile tests/Makefile tests/devel/Makefile tests/mpf/Makefile tests/mpn/Makefile tests/mpq/Makefile tests/mpz/Makefile tests/rand/Makefile tests/misc/Makefile tests/cxx/Makefile tune/Makefile demos/Makefile demos/calc/Makefile demos/expr/Makefile gmp.h:gmp-h.in gmp.pc:gmp.pc.in gmpxx.pc:gmpxx.pc.in"
- 
- cat >confcache <<\_ACEOF
- # This file is a shell script that caches the results of configure
-@@ -29129,7 +29129,6 @@
-     "tests/rand/Makefile") CONFIG_FILES="$CONFIG_FILES tests/rand/Makefile" ;;
-     "tests/misc/Makefile") CONFIG_FILES="$CONFIG_FILES tests/misc/Makefile" ;;
-     "tests/cxx/Makefile") CONFIG_FILES="$CONFIG_FILES tests/cxx/Makefile" ;;
--    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
-     "tune/Makefile") CONFIG_FILES="$CONFIG_FILES tune/Makefile" ;;
-     "demos/Makefile") CONFIG_FILES="$CONFIG_FILES demos/Makefile" ;;
-     "demos/calc/Makefile") CONFIG_FILES="$CONFIG_FILES demos/calc/Makefile" ;;