[Djvu-cvs] djvulibre-3.5 configure, 1.125, 1.126 configure.ac, 1.91, 1.92

[Leon B. <le...@us...>]

Update of /cvsroot/djvu/djvulibre-3.5
In directory sc8-pr-cvs12.sourceforge.net:/tmp/cvs-serv16157

Modified Files:
	configure configure.ac 
Log Message:
Added autoconf test for intel atomic builtins.
Fixed gnuc version test in atomic.cpp.


Index: configure.ac
===================================================================
RCS file: /cvsroot/djvu/djvulibre-3.5/configure.ac,v
retrieving revision 1.91
retrieving revision 1.92
diff -C2 -d -r1.91 -r1.92
*** configure.ac	2 Dec 2007 13:55:56 -0000	1.91
--- configure.ac	25 Feb 2008 01:24:42 -0000	1.92
***************
*** 123,126 ****
--- 123,127 ----
  AC_CXX_NAMESPACES
  AC_CXX_MEMBER_TEMPLATES
+ AC_CXX_INTEL_ATOMIC_BUILTINS
  AC_CXX_RPO
  

Index: configure
===================================================================
RCS file: /cvsroot/djvu/djvulibre-3.5/configure,v
retrieving revision 1.125
retrieving revision 1.126
diff -C2 -d -r1.125 -r1.126
*** configure	2 Dec 2007 13:55:55 -0000	1.125
--- configure	25 Feb 2008 01:24:40 -0000	1.126
***************
*** 21667,21670 ****
--- 21667,21741 ----
  fi
  
+ { echo "$as_me:$LINENO: checking whether the compiler supports intel atomic builtins" >&5
+ echo $ECHO_N "checking whether the compiler supports intel atomic builtins... $ECHO_C" >&6; }
+ if test "${ac_cv_cxx_intel_atomic_builtins+set}" = set; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+ 
+  ac_ext=cpp
+ ac_cpp='$CXXCPP $CPPFLAGS'
+ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+ 
+  cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ static int volatile l;
+ int
+ main ()
+ {
+ __sync_lock_test_and_set(&l,1); return 0;
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (ac_try="$ac_compile"
+ case "(($ac_try" in
+   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+   *) ac_try_echo=$ac_try;;
+ esac
+ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+   (eval "$ac_compile") 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } && {
+ 	 test -z "$ac_cxx_werror_flag" ||
+ 	 test ! -s conftest.err
+        } && test -s conftest.$ac_objext; then
+   ac_cv_cxx_intel_atomic_builtins=yes
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ 	ac_cv_cxx_intel_atomic_builtins=no
+ fi
+ 
+ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ ac_cpp='$CXXCPP $CPPFLAGS'
+ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+ 
+ 
+ fi
+ { echo "$as_me:$LINENO: result: $ac_cv_cxx_intel_atomic_builtins" >&5
+ echo "${ECHO_T}$ac_cv_cxx_intel_atomic_builtins" >&6; }
+ if test "$ac_cv_cxx_intel_atomic_builtins" = yes; then
+ 
+ cat >>confdefs.h <<\_ACEOF
+ #define HAVE_INTEL_ATOMIC_BUILTINS 1
+ _ACEOF
+ 
+ fi
+ 
   CXXRPOFLAGS=
    RPO_YES='#'