gnu: make-bootstrap: Update gcc-static to gcc-14, for the 64bit Hurd.

* gnu/packages/make-bootstrap.scm (%gcc-static): Use gcc-14.  Update to use
G-Expressions.
[inputs]: Remove libstdc++ and libstdc++-headers.
(%gcc-stripped): Use gcc-14.
[inputs, native-inputs]: Clear fields.

Change-Id: I4e6d779cb457b256d80d1882f182b72a6f7d2be2

gnu/packages/make-bootstrap.scm

@@ -488,11 +488,11 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
 (define %gcc-static
   ;; A statically-linked GCC, with stripped-down functionality.
   (package-with-relocatable-glibc
-   (package (inherit gcc)
+   (package (inherit gcc-14)
      (name "gcc-static")
      (outputs '("out"))                           ; all in one
      (arguments
-      (substitute-keyword-arguments (package-arguments gcc)
+      (substitute-keyword-arguments (package-arguments gcc-14)
         ((#:modules modules %default-gnu-modules)
          `((srfi srfi-1)
            (srfi srfi-26)
@@ -501,7 +501,7 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
         ((#:guile _) #f)
         ((#:implicit-inputs? _) #t)
         ((#:configure-flags flags)
-         `(append (list
+         #~(append (list
                    ;; We don't need a full bootstrap here.
                    "--disable-bootstrap"
 
@@ -526,9 +526,9 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
                    "--disable-libssp"
                    "--disable-libquadmath")
                   (remove (cut string-match "--(.*plugin|enable-languages)" <>)
-                          ,flags)))
+                          #$flags)))
         ((#:phases phases)
-         `(modify-phases ,phases
+         #~(modify-phases #$phases
             (add-after 'pre-configure 'remove-lgcc_s
               (lambda _
                 ;; Remove the '-lgcc_s' added to GNU_USER_TARGET_LIB_SPEC in
@@ -538,12 +538,12 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
                 (substitute* (cons "gcc/config/rs6000/sysv4.h"
                                    (find-files "gcc/config"
                                                "^gnu-user.*\\.h$"))
-                  ((" -lgcc_s}}") "}}"))
+                  ((" -lgcc_s}}") "}}"))))))))
-                #t))))))
      (inputs
       `(("zlib:static" ,zlib "static")
         ("isl:static" ,isl "static")
-        ,@(package-inputs gcc)))
+        ,@(fold alist-delete (package-inputs gcc-14)
+                '("libstdc++" "libstdc++-headers"))))
      (native-inputs
       (if (%current-target-system)
           `(;; When doing a Canadian cross, we need GMP/MPFR/MPC both
@@ -556,17 +556,19 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
             ("gmp-native" ,gmp)
             ("mpfr-native" ,mpfr)
             ("mpc-native" ,mpc)
-            ,@(package-native-inputs gcc))
+            ,@(package-native-inputs gcc-14))
-          (package-native-inputs gcc))))))
+          (package-native-inputs gcc-14))))))
 
 (define %gcc-stripped
   ;; The subset of GCC files needed for bootstrap.
   (package
-    (inherit gcc)
+    (inherit gcc-14)
     (name "gcc-stripped")
     (build-system trivial-build-system)
     (source #f)
     (outputs '("out"))                            ;only one output
+    (inputs '())
+    (native-inputs '())
     (arguments
      (list #:modules '((guix build utils))
            #:builder
@@ -632,6 +634,7 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
       (propagated-inputs
        (modify-inputs (package-propagated-inputs guile)
          (replace "libgc" libgc/static-libs)))
+
       (arguments
        (substitute-keyword-arguments (package-arguments guile)
          ((#:configure-flags flags #~'())