GNU C Library master sources branch master updated. glibc-2.25-382-g72b8155

[zack at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=72b81552a1239f91054ae0c8469e6d780f79a890

commit 72b81552a1239f91054ae0c8469e6d780f79a890
Author: Zack Weinberg <zackw@panix.com>
Date:   Thu Jun 1 10:56:10 2017 -0400

    Add shim header for bits/syscall.h.
    
    On Linux-based configurations, bits/syscall.h is a generated file.
    To avoid build-ordering problems, the Linux sys/syscall.h only includes
    bits/syscall.h if _LIBC is not defined.  After the _ISOMAC-testsuite
    changes, this means any test case that includes sys/syscall.h tries to
    pull in bits/syscall.h.  This would be fine, because it'll definitely
    have been generated by the time we start compiling tests, except that
    the generated <builddir>/misc/bits/syscall.h is not visible in the
    include path, because nothing needed it till now.  So we either get
    the bits/syscall.h from the host system, or the build fails.
    
    The fix is simple: add a shim header for bits/syscall.h.  I put it in
    sysdeps/unix/sysv/linux/include instead of the top-level include/
    because bits/syscall.h doesn't exist at all on other configurations as
    far as I can tell.
    
    This is known to affect nptl/tst-cond2[45].  Thanks to John David
    Anglin for noticing the problem.
    
    	[BZ #21514]
    	* sysdeps/unix/sysv/linux/include/bits/syscall.h: New shim header
    	pointing to the generated file in <builddir>/misc/bits/syscall.h.

diff --git a/ChangeLog b/ChangeLog
index d56331a..5c54da8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-01  Zack Weinberg  <zackw@panix.com>
+
+	[BZ #21514]
+	* sysdeps/unix/sysv/linux/include/bits/syscall.h: New shim header
+	pointing to the generated file in <builddir>/misc/bits/syscall.h.
+
 2017-06-01  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #21457]
diff --git a/sysdeps/unix/sysv/linux/include/bits/syscall.h b/sysdeps/unix/sysv/linux/include/bits/syscall.h
new file mode 100644
index 0000000..3e60262
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/include/bits/syscall.h
@@ -0,0 +1,3 @@
+/* The real bits/syscall.h is generated during the build, in
+   $(objdir)/misc/bits.  */
+#include <misc/bits/syscall.h>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                      |    6 ++++++
 sysdeps/unix/sysv/linux/include/bits/syscall.h |    3 +++
 2 files changed, 9 insertions(+), 0 deletions(-)
 create mode 100644 sysdeps/unix/sysv/linux/include/bits/syscall.h


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