4 files changed, 19 insertions(+), 4 deletions(-)

M gnu/packages/gprolog.scm
M gnu/packages/qemu.scm
M gnu/packages/qt.scm
M gnu/packages/scheme.scm

@@ 52,4 52,7 @@
 solving over finite domains.  It accepts Prolog+ constraint programs and
 produces a compiled, native binary which can function in a stand-alone
 manner.  It also features an interactive interpreter.")
-    (license (list gpl2+ lgpl3+))))
+    (license (list gpl2+ lgpl3+))
+
+    ;; See 'configure' for the list of supported architectures.
+    (supported-systems (delete "mips64el-linux" %supported-systems))))

@@ 125,7 125,10 @@ the KVM kernel module in Linux.  When using KVM, QEMU can virtualize x86,
 server and embedded PowerPC, and S390 guests.")
 
     ;; Many files are GPLv2+, but some are GPLv2-only---e.g., `memory.c'.
-    (license gpl2)))
+    (license gpl2)
+
+    ;; Several tests fail on MIPS; see <http://hydra.gnu.org/build/117914>.
+    (supported-systems (delete "mips64el-linux" %supported-systems))))
 
 (define-public qemu
   ;; QEMU with GUI support.

@@ 145,7 145,12 @@ X11 (yet).")
     (synopsis "Cross-platform GUI library")
     (description "Qt is a cross-platform application and UI framework for
 developers using C++ or QML, a CSS & JavaScript like language.")
-    (license lgpl2.1)))
+    (license lgpl2.1)
+
+    ;; Qt 4: 'QBasicAtomicPointer' leads to build failures on MIPS;
+    ;; see <http://hydra.gnu.org/build/112828>.
+    ;; Qt 5: assembler error; see <http://hydra.gnu.org/build/112526>.
+    (supported-systems (delete "mips64el-linux" %supported-systems))))
 
 (define-public qt-4
   (package (inherit qt)

@@ 422,4 422,8 @@ implementation techniques and as an expository tool.")
 R6RS) and related languages, such as Typed Racket.  It features a compiler and
 a virtual machine with just-in-time native compilation, as well as a large set
 of libraries.")
-    (license lgpl2.0+)))
+    (license lgpl2.0+)
+
+    ;; Fails to build on MIPS with "address or size is not OS PAGE ALIGNED".
+    ;; See <http://hydra.gnu.org/build/121775>.
+    (supported-systems (delete "mips64el-linux" %supported-systems))))