From 849a1399ca46497ad6acc5b11903f345502c02de Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Fri, 8 Jun 2018 14:26:42 +0200
Subject: gnu: doxygen: Work around GCC ICE on armhf-linux.
Reported by Mark H Weaver <mhw@netris.org>
at <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=31708#10>.
* gnu/packages/patches/doxygen-gcc-ice.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/documentation.scm (doxygen)[inputs]: Add "gcc-ice-patch"
on armhf-* only.
[arguments]: Add 'apply-gcc-patch' phase on armhf-* only.
---
gnu/packages/patches/doxygen-gcc-ice.patch | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 gnu/packages/patches/doxygen-gcc-ice.patch
(limited to 'gnu/packages/patches')
diff --git a/gnu/packages/patches/doxygen-gcc-ice.patch b/gnu/packages/patches/doxygen-gcc-ice.patch
new file mode 100644
index 0000000000..fbfedcb7ab
--- /dev/null
+++ b/gnu/packages/patches/doxygen-gcc-ice.patch
@@ -0,0 +1,25 @@
+Work around this GCC ICE: <https://bugs.gnu.org/31708>. It shows up
+only when doing native compiles on armhf-linux.
+
+Yes it's a terrible patch, but it does the job.
+
+--- doxygen-1.8.13/qtools/qutfcodec.cpp 1970-01-01 01:00:00.000000000 +0100
++++ doxygen-1.8.13/qtools/qutfcodec.cpp 2018-06-08 14:14:29.614009929 +0200
+@@ -189,7 +189,7 @@ int QUtf16Codec::heuristicContentMatch(c
+ }
+
+
+-
++volatile const void *bomPointer = &QChar::byteOrderMark;
+
+ class QUtf16Encoder : public QTextEncoder {
+ bool headerdone;
+@@ -209,7 +209,7 @@ public:
+ headerdone = TRUE;
+ len_in_out = (1+uc.length())*(int)sizeof(QChar);
+ QCString d(len_in_out);
+- memcpy(d.rawData(),&QChar::byteOrderMark,sizeof(QChar));
++ memcpy(d.rawData(),(void *)bomPointer,sizeof(QChar));
+ memcpy(d.rawData()+sizeof(QChar),uc.unicode(),uc.length()*sizeof(QChar));
+ return d;
+ }
--
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