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-rw-r--r--gnu/packages/patches/guile-fibers-libevent-32-bit.patch18
1 files changed, 18 insertions, 0 deletions
diff --git a/gnu/packages/patches/guile-fibers-libevent-32-bit.patch b/gnu/packages/patches/guile-fibers-libevent-32-bit.patch
new file mode 100644
index 0000000000..a1cc99fdbe
--- /dev/null
+++ b/gnu/packages/patches/guile-fibers-libevent-32-bit.patch
@@ -0,0 +1,18 @@
+This fixes a bug with the libevent backend on 32-bit platforms:
+
+  https://github.com/wingo/fibers/issues/86
+
+diff --git a/extensions/libevent.c b/extensions/libevent.c
+index 4f44de9..52c9d73 100644
+--- a/extensions/libevent.c
++++ b/extensions/libevent.c
+@@ -215,7 +215,8 @@ run_event_loop (void *p)
+     microsec = -1;
+   else if (data->timeout >= 0)
+     {
+-      microsec = data->timeout / time_units_per_microsec;
++      microsec = (time_units_per_microsec == 0)
++	? 0 : data->timeout / time_units_per_microsec;
+       tv.tv_sec = 0;
+       tv.tv_usec = microsec;
+     }