GNU C Library master sources branch master updated. glibc-2.24-210-gff88ee7

[jsm28 at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=ff88ee7edfaa439e23c42fccaf3a36cd5f041894

commit ff88ee7edfaa439e23c42fccaf3a36cd5f041894
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Oct 4 16:17:59 2016 +0000

    Fix LONG_WIDTH, ULONG_WIDTH include ordering issue.
    
    As described in
    <https://sourceware.org/ml/libc-alpha/2016-10/msg00047.html>, there is
    an include ordering issue with the integer width macros in glibc's
    <limits.h>, where definitions conditional on LONG_MAX do not work as
    intended because when the headers are installed, this part of glibc's
    <limits.h> is processed before the part of GCC's <limits.h> that will
    define LONG_MAX.  This patch changes the definitions just to use
    __WORDSIZE for the expansion of LONG_WIDTH and ULONG_WIDTH rather than
    making those definitions conditional on LONG_MAX.
    
    Tested for x86_64 and x86.
    
    	* include/limits.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (LONG_WIDTH):
    	Define to __WORDSIZE, not conditional on [LONG_MAX ==
    	0x7fffffffL].
    	[__GLIBC_USE (IEC_60559_BFP_EXT)] (ULONG_WIDTH): Likewise.

diff --git a/ChangeLog b/ChangeLog
index 9ea007a..7c2139b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2016-10-04  Joseph Myers  <joseph@codesourcery.com>
+
+	* include/limits.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (LONG_WIDTH):
+	Define to __WORDSIZE, not conditional on [LONG_MAX ==
+	0x7fffffffL].
+	[__GLIBC_USE (IEC_60559_BFP_EXT)] (ULONG_WIDTH): Likewise.
+
 2016-10-04  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 
 	* sysdeps/powerpc/sys/platform/ppc.h (__ppc_get_timebase): Replace
diff --git a/include/limits.h b/include/limits.h
index 93cac49..dd601d5 100644
--- a/include/limits.h
+++ b/include/limits.h
@@ -164,20 +164,11 @@
 # ifndef UINT_WIDTH
 #  define UINT_WIDTH 32
 # endif
-# if LONG_MAX == 0x7fffffffL
-#  ifndef LONG_WIDTH
-#   define LONG_WIDTH 32
-#  endif
-#  ifndef ULONG_WIDTH
-#   define ULONG_WIDTH 32
-#  endif
-# else
-#  ifndef LONG_WIDTH
-#   define LONG_WIDTH 64
-#  endif
-#  ifndef ULONG_WIDTH
-#   define ULONG_WIDTH 64
-#  endif
+# ifndef LONG_WIDTH
+#  define LONG_WIDTH __WORDSIZE
+# endif
+# ifndef ULONG_WIDTH
+#  define ULONG_WIDTH __WORDSIZE
 # endif
 # ifndef LLONG_WIDTH
 #  define LLONG_WIDTH 64

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

Summary of changes:
 ChangeLog        |    7 +++++++
 include/limits.h |   19 +++++--------------
 2 files changed, 12 insertions(+), 14 deletions(-)


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