bug#26966: [PATCH 22/22] gnu: Remove GCJ.

[Ricardo Wurmus <rekado@elephly.net>]

* gnu/packages/patches/gcj-arm-mode.patch: Remove file.
* gnu/local.mk (dist_patch_DATA): Delete it.
* gnu/packages/gcc.scm (javac.in, gcj, ecj-bootstrap): Remove variables.
---
 gnu/local.mk                            |   1 -
 gnu/packages/gcc.scm                    | 136 +-------------------------------
 gnu/packages/patches/gcj-arm-mode.patch |  36 ---------
 3 files changed, 1 insertion(+), 172 deletions(-)
 delete mode 100644 gnu/packages/patches/gcj-arm-mode.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index d0c5b9daf..6691cd057 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -604,7 +604,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/gcc-5-source-date-epoch-2.patch		\
   %D%/packages/patches/gcc-6-arm-none-eabi-multilib.patch	\
   %D%/packages/patches/gcc-6-cross-environment-variables.patch	\
-  %D%/packages/patches/gcj-arm-mode.patch			\
   %D%/packages/patches/gdk-pixbuf-list-dir.patch		\
   %D%/packages/patches/gd-fix-gd2-read-test.patch		\
   %D%/packages/patches/gd-fix-tests-on-i686.patch		\
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 5d1a4ea75..866f8478f 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
-;;; Copyright © 2014, 2015, 2016 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2014, 2015, 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2015, 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
@@ -559,140 +559,6 @@ as the 'native-search-paths' field."
               ;; a cyclic dependency.  <http://debbugs.gnu.org/18101>
               #:separate-lib-output? #f))
 
-(define javac.in
-  (origin
-    (method url-fetch)
-    (uri (string-append "http://sources.gentoo.org/cgi-bin/viewvc.cgi/"
-                        "gentoo-x86/dev-java/gcj-jdk/files/javac.in?revision=1.1"))
-    (file-name "javac.in")
-    (sha256 (base32
-              "1c3dk4z5yfj6ic2fn3lyxs27n6pmn2wy9k0r1s17lnkf1bzkrciv"))))
-
-(define-public gcj
-  (package (inherit gcc)
-    (name "gcj")
-    (version (package-version gcc))
-    (inputs
-     `(("fastjar" ,fastjar)
-       ("perl" ,perl)
-       ("javac.in" ,javac.in)
-       ("ecj-bootstrap" ,ecj-bootstrap)
-       ,@(package-inputs gcc)))
-    (native-inputs
-     `(("dejagnu" ,dejagnu)
-       ,@(if (string-prefix? "armhf" (or (%current-system)
-                                         (%current-target-system)))
-             `(("arm-patch" ,(origin
-                               (method url-fetch)
-                               (uri (search-patch "gcj-arm-mode.patch"))
-                               (sha256
-                                (base32
-                                 "1z15xs5yx6qinnb572swzxrn9f668sw7ga5280q3gznj1jyrynfn")))))
-             '())
-       ,@(package-native-inputs gcc)))
-    (native-search-paths %generic-search-paths)
-
-    ;; Suppress the separate "lib" output, because otherwise the
-    ;; "lib" and "out" outputs would refer to each other, creating
-    ;; a cyclic dependency.  <http://debbugs.gnu.org/18101>
-    (outputs
-     (delete "lib" (package-outputs gcc)))
-    (arguments
-     (substitute-keyword-arguments `(#:modules ((guix build gnu-build-system)
-                                                (guix build utils)
-                                                (ice-9 regex)
-                                                (srfi srfi-1)
-                                                (srfi srfi-26))
-                                     #:test-target "check-target-libjava"
-                                     ,@(package-arguments gcc))
-       ((#:tests? _) #t)
-       ((#:configure-flags flags)
-        `(let ((ecj (assoc-ref %build-inputs "ecj-bootstrap")))
-           `("--enable-java-home"
-             "--enable-gjdoc"
-             ,(string-append "--with-ecj-jar=" ecj)
-             "--enable-languages=java"
-             ,@(remove (cut string-match "--enable-languages.*" <>)
-                       ,flags))))
-       ((#:phases phases)
-        `(modify-phases ,phases
-           ;; Conditionally add phase to apply patch
-           ,@(if (string-prefix? "armhf" (or (%current-system)
-                                             (%current-target-system)))
-                 `((add-after 'unpack 'apply-arm-patch
-                     (lambda* (#:key inputs #:allow-other-keys)
-                       (zero? (system* "patch" "-p1"
-                                       "-i" (assoc-ref inputs "arm-patch"))))))
-                 '())
-           (add-after
-            'unpack 'add-lib-output-to-rpath
-            (lambda _
-              (substitute* "libjava/Makefile.in"
-                (("libgcj_bc_dummy_LINK = .* -shared" line)
-                 (string-append line " -Wl,-rpath=$(libdir)"))
-                (("libgcj(_bc)?_la_LDFLAGS =" ldflags _)
-                 (string-append ldflags " -Wl,-rpath=$(libdir)")))))
-           (add-after
-            'unpack 'patch-testsuite
-            ;; dejagnu-1.6 removes the 'absolute' command
-            (lambda _
-              ;; This test fails on armhf.  It seems harmless enough to disable it.
-              (for-each delete-file '("libjava/testsuite/libjava.lang/Throw_2.java"
-                                      "libjava/testsuite/libjava.lang/Throw_2.out"
-                                      "libjava/testsuite/libjava.lang/Throw_2.jar"))
-              (substitute* "libjava/testsuite/lib/libjava.exp"
-                (("absolute") "file normalize"))
-              #t))
-           (add-after
-            'install 'install-javac-and-javap-wrappers
-            (lambda _
-              (let* ((javac  (assoc-ref %build-inputs "javac.in"))
-                     (ecj    (assoc-ref %build-inputs "ecj-bootstrap"))
-                     (gcj    (assoc-ref %outputs "out"))
-                     (gcjbin (string-append gcj "/bin/"))
-                     (jvm    (string-append gcj "/lib/jvm/"))
-                     (target (string-append jvm "/bin/javac")))
-
-                (symlink (string-append gcjbin "jcf-dump")
-                         (string-append jvm "/bin/javap"))
-
-                (copy-file ecj (string-append gcj "/share/java/ecj.jar"))
-
-                ;; Create javac wrapper from the template javac.in by
-                ;; replacing the @VARIABLES@ with paths.
-                (copy-file javac target)
-                (patch-shebang target)
-                (substitute* target
-                  (("@JAVA@")
-                   (string-append jvm "/bin/java"))
-                  (("@ECJ_JAR@")
-                   (string-append gcj "/share/java/ecj.jar"))
-                  (("@RT_JAR@")
-                   (string-append jvm "/jre/lib/rt.jar"))
-                  (("@TOOLS_JAR@")
-                   (string-append jvm "/lib/tools.jar")))
-                (chmod target #o755)
-                #t)))
-           (add-after
-            'install 'remove-broken-or-conflicting-files
-            (lambda _
-              (let ((out (assoc-ref %outputs "out")))
-                (for-each
-                 delete-file
-                 (append (find-files (string-append out "/lib/jvm/jre/lib")
-                                     "libjawt.so")
-                         (find-files (string-append out "/bin")
-                                     ".*(c\\+\\+|cpp|g\\+\\+|gcc.*)"))))
-              #t))))))))
-
-(define ecj-bootstrap
-  (origin
-    (method url-fetch)
-    (uri "ftp://sourceware.org/pub/java/ecj-4.9.jar")
-    (sha256
-     (base32
-      "1k9lgm3qamf6zy534pa2zwskr8mpiqrngbv1vw9j4y1ghrdyf1lm"))))
-
 (define-public gcc-objc-4.8
   (custom-gcc gcc-4.8 "gcc-objc" '("objc")
               (list (search-path-specification
diff --git a/gnu/packages/patches/gcj-arm-mode.patch b/gnu/packages/patches/gcj-arm-mode.patch
deleted file mode 100644
index a3f999f7e..000000000
--- a/gnu/packages/patches/gcj-arm-mode.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-Taken from
-https://sources.debian.net/data/main/g/gcc-4.9/4.9.2-10/debian/patches/gcj-arm-mode.diff
-
-# DP: For armhf, force arm mode instead of thumb mode
-
---- a/libjava/configure.host
-+++ b/libjava/configure.host
-@@ -66,6 +66,9 @@
-     ;;
- esac
- 
-+# on armhf force arm mode
-+libgcj_flags="${libgcj_flags} -marm"
-+
- AM_RUNTESTFLAGS= 
- 
- # Set any host dependent compiler flags.
---- a/gcc/java/lang-specs.h
-+++ b/gcc/java/lang-specs.h
-@@ -47,7 +47,7 @@
-     %{.class|.zip|.jar|!fsyntax-only:jc1				\
-       %{.java|fsaw-java-file:%U.jar -fsource-filename=%i %<ffilelist-file} \
-       %{.class|.zip|.jar|ffilelist-file|fcompile-resource*:%i}		\
--      %(jc1) %(cc1_options) %{I*} %{!findirect-dispatch:-faux-classpath %U.zip} \
-+      %(jc1) %(cc1_options) -marm %{I*} %{!findirect-dispatch:-faux-classpath %U.zip} \
-       %{MD:-MD_} %{MMD:-MMD_} %{M} %{MM} %{MA} %{MT*} %{MF*}\
-       %(invoke_as)}",
-       0, 0, 0},
---- a/libjava/libgcj.spec.in
-+++ b/libjava/libgcj.spec.in
-@@ -9,4 +9,4 @@
- %rename lib liborig
- *lib: @LD_START_STATIC_SPEC@ @LIBGCJ_SPEC@ @LD_FINISH_STATIC_SPEC@ @LIBMATHSPEC@ @LDLIBICONV@ @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) @LIBSTDCXXSPEC@ %(liborig)
- 
--*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @CHECKREFSPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ @BACKTRACESPEC@ @IEEESPEC@ @ATOMICSPEC@ @LIBGCJ_BC_SPEC@ -fkeep-inline-functions
-+*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @CHECKREFSPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ @BACKTRACESPEC@ @IEEESPEC@ @ATOMICSPEC@ @LIBGCJ_BC_SPEC@ -fkeep-inline-functions -marm
-- 
2.12.2