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Only use O_CLOEXEC on platforms that support it

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Change a9fca58 made use of the O_CLOEXEC flag, which is not supported on
older Linux kernels. This change makes the use contingent on kernel
support.

Testing: I manually compiled breakpad on CentOS 5.8 running kernel
2.6.18-308.8.2.el5.centos.plusxen.

Bug: 730
Change-Id: I21dff928cfba3c156a56708913f65a0c7b5396a6
Reviewed-on: https://chromium-review.googlesource.com/498528
Reviewed-by: Mike Frysinger <vapier@chromium.org>
This commit is contained in:
Lars Volker
2017-05-10 22:50:32 +02:00
committed by Mike Frysinger
parent 54a54702a1
commit ffe3e47865
6 changed files with 141 additions and 0 deletions
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4
configure.ac
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@@ -101,6 +101,10 @@ AS_VAR_APPEND([WARN_CXXFLAGS], " -Werror")
AC_LANG_POP([C++])
AC_SUBST([WARN_CXXFLAGS])
dnl Test support for O_CLOEXEC
AX_CHECK_DEFINE([fcntl.h], [O_CLOEXEC], [],
[AC_DEFINE([O_CLOEXEC], [0], [Fallback definition for old systems])])
# Only build Linux client libs when compiling for Linux
case $host in
*-*-linux* | *-android* )