diff options
Diffstat (limited to 'package/boost')
| -rw-r--r-- | package/boost/0004-fix-uclibc-eventfd.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/package/boost/0004-fix-uclibc-eventfd.patch b/package/boost/0004-fix-uclibc-eventfd.patch new file mode 100644 index 0000000000..1b7eb8723c --- /dev/null +++ b/package/boost/0004-fix-uclibc-eventfd.patch @@ -0,0 +1,38 @@ +Use eventfd() function with uClibc + +The Boost eventfd code either directly makes the eventfd system call +using __NR_eventfd (when __GLIBC_MINOR is less than 8), or otherwise +uses the eventfd() function provided by the C library. + +However, since uClibc pretends to be glibc 2.2, the Boost eventfd code +directly uses the system call. While it works fine on most +architectures, it doesn't on ARC since __NR_eventfd is not defined on +this architecture. However, eventfd() is properly implemented. + +So, this patch adjusts the logic used by Boost to consider uClibc as a +C library providing the eventfd() function. + +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + +Index: b/boost/asio/detail/impl/eventfd_select_interrupter.ipp +=================================================================== +--- a/boost/asio/detail/impl/eventfd_select_interrupter.ipp ++++ b/boost/asio/detail/impl/eventfd_select_interrupter.ipp +@@ -23,7 +23,7 @@ + #include <sys/stat.h> + #include <sys/types.h> + #include <fcntl.h> +-#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 8 ++#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 8 && !defined(__UCLIBC__) + # include <asm/unistd.h> + #else // __GLIBC__ == 2 && __GLIBC_MINOR__ < 8 + # include <sys/eventfd.h> +@@ -46,7 +46,7 @@ + + void eventfd_select_interrupter::open_descriptors() + { +-#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 8 ++#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 8 && !defined(__UCLIBC__) + write_descriptor_ = read_descriptor_ = syscall(__NR_eventfd, 0); + if (read_descriptor_ != -1) + { |
