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GNU C Library master sources branch master updated. glibc-2.16-ports-merge-817-gc9d6789


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       via  c9d6789ebe028a260d3e5be0c26b7d02fdfe99fe (commit)
      from  a69646e9bdc80d9bd25ac0d6ba8cd8e05cfcf288 (commit)

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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=c9d6789ebe028a260d3e5be0c26b7d02fdfe99fe

commit c9d6789ebe028a260d3e5be0c26b7d02fdfe99fe
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Wed Nov 28 23:04:32 2012 -0500

    byteswap.h: fix gcc ver test for __builtin_bswap{32,64}
    
    The __builtin_bswap* functions were introduced in gcc-4.3, not gcc-4.2.
    Fix the __GNUC_PREREQ tests to reflect this.
    
    Otherwise trying to compile code with gcc-4.2 falls down:
    In file included from /usr/include/endian.h:60,
                     from /usr/include/ctype.h:40,
    /usr/include/bits/byteswap.h: In function 'unsigned int __bswap_32(unsigned int)':
    /usr/include/bits/byteswap.h:46: error: '__builtin_bswap32' was not declared in this scope
    /usr/include/bits/byteswap.h: In function 'long long unsigned int __bswap_64(long long unsigned int)':
    /usr/include/bits/byteswap.h:110: error: '__builtin_bswap64' was not declared in this scope
    
    Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/ChangeLog b/ChangeLog
index 624078b..b07f1db 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-03  Mike Frysinger  <vapier@gentoo.org>
+
+	* bits/byteswap.h [__GNUC__]: Change __GNUC_PREREQ from 4.2 to 4.3.
+	* sysdeps/x86/bits/byteswap.h [__GNUC__]: Likewise.
+
 2012-12-03  Jeff Law  <law@redhat.com>
 
 	* time/sys/time.h (settimeofday): Do not mark TV argument
diff --git a/bits/byteswap.h b/bits/byteswap.h
index e19e91a..7e5daed 100644
--- a/bits/byteswap.h
+++ b/bits/byteswap.h
@@ -39,7 +39,7 @@
       (((x) & 0x0000ff00u) <<  8) | (((x) & 0x000000ffu) << 24))
 
 #ifdef __GNUC__
-# if __GNUC_PREREQ (4, 2)
+# if __GNUC_PREREQ (4, 3)
 static __inline unsigned int
 __bswap_32 (unsigned int __bsx)
 {
@@ -70,7 +70,7 @@ __bswap_32 (unsigned int __bsx)
 		     | (((x) & 0x000000000000ff00ull) << 40)		      \
 		     | (((x) & 0x00000000000000ffull) << 56)))
 
-# if __GNUC_PREREQ (4, 2)
+# if __GNUC_PREREQ (4, 3)
 static __inline __uint64_t
 __bswap_64 (__uint64_t __bsx)
 {
diff --git a/sysdeps/x86/bits/byteswap.h b/sysdeps/x86/bits/byteswap.h
index babe567..581687c 100644
--- a/sysdeps/x86/bits/byteswap.h
+++ b/sysdeps/x86/bits/byteswap.h
@@ -40,7 +40,7 @@
       (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24))
 
 #ifdef __GNUC__
-# if __GNUC_PREREQ (4, 2)
+# if __GNUC_PREREQ (4, 3)
 static __inline unsigned int
 __bswap_32 (unsigned int __bsx)
 {
@@ -104,7 +104,7 @@ __bswap_32 (unsigned int __bsx)
 		     | (((x) & 0x000000000000ff00ull) << 40)		      \
 		     | (((x) & 0x00000000000000ffull) << 56)))
 
-# if __GNUC_PREREQ (4, 2)
+# if __GNUC_PREREQ (4, 3)
 static __inline __uint64_t
 __bswap_64 (__uint64_t __bsx)
 {

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

Summary of changes:
 ChangeLog                   |    5 +++++
 bits/byteswap.h             |    4 ++--
 sysdeps/x86/bits/byteswap.h |    4 ++--
 3 files changed, 9 insertions(+), 4 deletions(-)


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