[Commits] r23533 - in /fsf/trunk/libc: ChangeLog NEWS sysdeps/unix/sysv/linux/Makefile

[eglibc@xxxxxxxxxx]

Author: eglibc
Date: Wed Jul 17 00:02:22 2013
New Revision: 23533

Log:
Import glibc-mainline for 2013-07-17

Modified:
    fsf/trunk/libc/ChangeLog
    fsf/trunk/libc/NEWS
    fsf/trunk/libc/sysdeps/unix/sysv/linux/Makefile

Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Wed Jul 17 00:02:22 2013
@@ -1,3 +1,10 @@
+2013-07-15  Carlos O'Donell  <carlos@xxxxxxxxxx>
+
+	[BZ #15711]
+	* sysdeps/unix/sysv/linux/Makefile ($(objpfx)bits/syscall%h):
+	Avoid system header dependency with -ffreestanding.
+	($(objpfx)bits/syscall%d): Likewise.
+
 2013-07-13  David S. Miller  <davem@xxxxxxxxxxxxx>
 
 	* math/libm-test.inc (casin_test_data): Annotate more cases of missing

Modified: fsf/trunk/libc/NEWS
==============================================================================
--- fsf/trunk/libc/NEWS (original)
+++ fsf/trunk/libc/NEWS Wed Jul 17 00:02:22 2013
@@ -21,7 +21,7 @@
   15395, 15405, 15406, 15409, 15416, 15418, 15419, 15423, 15424, 15426,
   15429, 15431, 15432, 15441, 15442, 15448, 15465, 15480, 15485, 15488,
   15490, 15492, 15493, 15497, 15506, 15529, 15536, 15553, 15577, 15583,
-  15618, 15627, 15631, 15654, 15655, 15666, 15667, 15674.
+  15618, 15627, 15631, 15654, 15655, 15666, 15667, 15674, 15711.
 
 * CVE-2013-0242 Buffer overrun in regexp matcher has been fixed (Bugzilla
   #15078).

Modified: fsf/trunk/libc/sysdeps/unix/sysv/linux/Makefile
==============================================================================
--- fsf/trunk/libc/sysdeps/unix/sysv/linux/Makefile (original)
+++ fsf/trunk/libc/sysdeps/unix/sysv/linux/Makefile Wed Jul 17 00:02:22 2013
@@ -50,6 +50,13 @@
 # be the condition for those options to use in a C #if condition.
 # abi-includes may be defined to a list of headers to include
 # in the generated header, if the default does not suffice.
+#
+# The generated header is compiled with `-ffreestanding' to avoid any
+# circular dependencies against the installed implementation headers.
+# Such a dependency would require the implementation header to be
+# installed before the generated header could be built (See bug 15711).
+# In current practice the generated header dependencies do not include
+# any of the implementation headers removed by the use of `-ffreestanding'.
 
 $(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/syscall.h
 	$(make-target-directory)
@@ -64,7 +71,7 @@
 	 echo ''; \
 	 $(if $(abi-variants), \
 	 $(foreach v,$(abi-variants),\
-	 $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
+	 $(CC) -ffreestanding -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
 	       -x c $(sysincludes) $< $(abi-$(v)-options) \
 	       -D_LIBC -dM | \
 	 sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
@@ -75,7 +82,7 @@
 	 $(if $(abi-$(v)-condition),echo '#endif';) \
 	 rm -f $(@:.d=.h).new$(v); \
 	 ), \
-	 $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
+	 $(CC) -ffreestanding -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
 	       -x c $(sysincludes) $< \
 	       -D_LIBC -dM | \
 	 sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \

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