[bug#60430] [PATCH] gnu: icu4c: Update packaging style.

[Nicolas Graves]

* gnu/packages/icu4c.scm (icu4c): Update packaging style.
---
 gnu/packages/icu4c.scm | 66 ++++++++++++++++++++----------------------
 1 file changed, 32 insertions(+), 34 deletions(-)

diff --git a/gnu/packages/icu4c.scm b/gnu/packages/icu4c.scm
index 1e4f66d956..1338c8f525 100644
--- a/gnu/packages/icu4c.scm
+++ b/gnu/packages/icu4c.scm
@@ -63,41 +63,39 @@ (define-public icu4c
    (inputs
     (list perl))
    (arguments
-    `(#:configure-flags
-      (list
+    (list
+     #:configure-flags
+     `(list
        "--enable-rpath"
-        ,@(if (%current-target-system)
-              '((string-append "--with-cross-build="
-                                (assoc-ref %build-inputs "icu4c-build-root")))
-              '()))
-      #:phases
-      (modify-phases %standard-phases
-        (add-after 'unpack 'chdir-to-source
-          (lambda _ (chdir "source") #t))
-        (add-after 'chdir-to-source 'update-LDFLAGS
-          (lambda _
-            ;; Do not create a "data-only" libicudata.so because it causes
-            ;; problems on some architectures (notably armhf and MIPS).
-            (substitute* "config/mh-linux"
-              (("LDFLAGSICUDT=-nodefaultlibs -nostdlib")
-               "LDFLAGSICUDT="))
-            #t))
-        ,@(if (target-riscv64?)
-            `((add-after 'unpack 'disable-failing-test
-                ;; It is unknown why this test is failing.
-                (lambda _
-                  (substitute* "source/test/intltest/numbertest_api.cpp"
-                    (("(TESTCASE_AUTO\\(unitUsage\\));" all)
-                     (string-append "//" all))))))
-            '())
-        (add-after 'install 'avoid-coreutils-reference
-          ;; Don't keep a reference to the build tools.
-          (lambda* (#:key outputs #:allow-other-keys)
-            (let ((out (assoc-ref outputs "out")))
-              (substitute* (find-files (string-append out "/lib/icu")
-                                       "\\.inc$")
-                (("INSTALL_CMD=.*/bin/install") "INSTALL_CMD=install"))
-              #t))))))
+       ,@(if (%current-target-system)
+             '((string-append "--with-cross-build="
+                              (assoc-ref %build-inputs "icu4c-build-root")))
+             '()))
+     #:phases
+     #~(modify-phases %standard-phases
+         (add-after 'unpack 'chdir-to-source
+           (lambda _ (chdir "source")))
+         (add-after 'chdir-to-source 'update-LDFLAGS
+           (lambda _
+             ;; Do not create a "data-only" libicudata.so because it causes
+             ;; problems on some architectures (notably armhf and MIPS).
+             (substitute* "config/mh-linux"
+               (("LDFLAGSICUDT=-nodefaultlibs -nostdlib")
+                "LDFLAGSICUDT="))))
+         #$@(if (target-riscv64?)
+                `((add-after 'unpack 'disable-failing-test
+                    ;; It is unknown why this test is failing.
+                    (lambda _
+                      (substitute* "source/test/intltest/numbertest_api.cpp"
+                        (("(TESTCASE_AUTO\\(unitUsage\\));" all)
+                         (string-append "//" all))))))
+                '())
+         (add-after 'install 'avoid-coreutils-reference
+           ;; Don't keep a reference to the build tools.
+           (lambda _
+             (substitute* (find-files (string-append #$output "/lib/icu")
+                                      "\\.inc$")
+               (("INSTALL_CMD=.*/bin/install") "INSTALL_CMD=install")))))))
    (synopsis "International Components for Unicode")
    (description
     "ICU is a set of C/C++ and Java libraries providing Unicode and
-- 
2.38.1