Without this you get:
| libc/sysdeps/linux/common/epoll.c: In function '__libc_epoll_pwait':
| libc/sysdeps/linux/common/epoll.c:71:80: error: memory input 7 is not
directly addressable
| libc/sysdeps/linux/common/epoll.c:75:86: error: memory input 7 is not
directly addressable
| make: *** [libc/sysdeps/linux/common/epoll.o] Error 1
Signed-off-by: Phil Blundell <ph...@gnu.org>
---
.../uclibc/uclibc-git/epoll-asm-fix.patch | 25 ++++++++++++++++++++
meta/recipes-core/uclibc/uclibc_git.bb | 1 +
create mode 100644 meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch
diff --git a/meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch
b/meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch
new file mode 100644
index 0000000..bcd834d
--- /dev/null
+++ b/meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch
@@ -0,0 +1,25 @@
+Fix a compile error due to last argument to syscall() not being memory
addressable.
+
+Upstream-Status: Pending
+Signed-off-by: Phil Blundell <ph...@gnu.org>
+
+diff --git a/libc/sysdeps/linux/common/epoll.c
b/libc/sysdeps/linux/common/epoll.c
+index 85b0cfd..c034b2c 100644
+--- a/libc/sysdeps/linux/common/epoll.c
++++ b/libc/sysdeps/linux/common/epoll.c
+@@ -67,12 +67,13 @@ extern __typeof(epoll_pwait) __libc_epoll_pwait;
+ int __libc_epoll_pwait(int epfd, struct epoll_event *events, int maxevents,
+ int timeout, const sigset_t
*set)
+ {
++ int nsig = _NSIG / 8;
+ if (SINGLE_THREAD_P)
+- return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents,
timeout, set, _NSIG / 8);
++ return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents,
timeout, set, nsig);
+ # ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ else {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+- int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events,
maxevents, timeout, set, _NSIG / 8);
++ int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events,
maxevents, timeout, set, nsig);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+ }
diff --git a/meta/recipes-core/uclibc/uclibc.inc
b/meta/recipes-core/uclibc/uclibc.inc
index c1bc422..a2c6ee5 100644
diff --git a/meta/recipes-core/uclibc/uclibc_git.bb
b/meta/recipes-core/uclibc/uclibc_git.bb
index eded2fb..54babca 100644
--- a/meta/recipes-core/uclibc/uclibc_git.bb
+++ b/meta/recipes-core/uclibc/uclibc_git.bb
@@ -29,5 +29,6 @@ SRC_URI =
"git://uclibc.org/uClibc.git;branch=master;protocol=git \
file://remove_attribute_optimize_Os.patch \
file://append_UCLIBC_EXTRA_CFLAGS.patch \
file://compile-arm-fork-with-O2.patch \
+ file://epoll-asm-fix.patch \
"
S = "${WORKDIR}/git"
--
1.7.2.5
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