cxxabi.h (_GLIBCXX_NOTHROW): New macro.

	* libstdc++-v3/libsupc++/cxxabi.h (_GLIBCXX_NOTHROW): New macro.
	(__cxa_atexit): Use it.

	* testsuite/lib/libstdc++.exp (v3_target_compile_as_c): For
	installed-tree testing, search more include directories.

From-SVN: r124565

libstdc++-v3/ChangeLog

+2007-05-07  Mark Mitchell  <mark@codesourcery.com>
+
+	* libstdc++-v3/libsupc++/cxxabi.h (_GLIBCXX_NOTHROW): New macro.
+	(__cxa_atexit): Use it.
+
+	* testsuite/lib/libstdc++.exp (v3_target_compile_as_c): For
+	installed-tree testing, search more include directories.
+
 2007-05-08  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/std/type_traits (make_signed): Remove specializations
@@ -94,8 +102,12 @@
 	* testsuite/23_containers/vector/requirements/dr438/
 	constructor_2_neg.cc: Likewise.
 
+>>>>>>> .r124554
 2007-05-07  Mark Mitchell  <mark@codesourcery.com>
 
+	* testsuite/lib/libstdc++.exp (v3_target_compile_as_c): For
+	installed-tree testing, search more include directories.
+
 	* testsuite/22_locale/num_put/put/char/14220.cc: XFAIL on Solaris
 	2.10.
 	* testsuite/22_locale/num_put/put/wchar_t/14220.cc: Likewise.

libstdc++-v3/libsupc++/cxxabi.h

@@ -53,6 +53,12 @@
 #include <cxxabi-forced.h>
  
 #ifdef __cplusplus
+#define _GLIBCXX_NOTHROW throw() 
+#else
+#define _GLIBCXX_NOTHROW __attribute__((nothrow))
+#endif
+
+#ifdef __cplusplus
 namespace __cxxabiv1
 {  
   extern "C" 
@@ -137,11 +143,7 @@ namespace __cxxabiv1
 
   // DSO destruction.
   int
-  __cxa_atexit(void (*)(void*), void*, void*)
-#ifdef __cplusplus
-    throw ()
-#endif
-    ;
+  __cxa_atexit(void (*)(void*), void*, void*) _GLIBCXX_NOTHROW;
 
   int
   __cxa_finalize(void*);

libstdc++-v3/testsuite/lib/libstdc++.exp

@@ -398,6 +398,9 @@ proc v3_target_compile_as_c { source dest type options } {
     # the includes variable is not likely to include the necessary
     # info.
     if { ![file exists $flags_file] } {
+	# ??? We need a --print-include-dirs option to GCC, so that
+	# we can avoid these hacks.  The heuristics here will not
+	# work with non-standard --with-includedir= options.
 	set version [remote_exec host ${cc} -dumpversion]
 	# Remove the trailing newline from the output.
 	set version [string trimright [lindex $version 1]]
@@ -406,6 +409,13 @@ proc v3_target_compile_as_c { source dest type options } {
 	set comp_base_dir [remote_exec host ${cc} --print-prog-name=cc1]
 	set comp_base_dir [lindex $comp_base_dir 1]
 	set comp_base_dir [file dirname [file dirname [file dirname [file dirname [file dirname $comp_base_dir]]]]]
+	# For a cross compiler, the header files will be located in a
+	# machine-specific subdirectory.
+	set crossbase "${comp_base_dir}/${machine}/include/c++/${version}"
+	set crosstarget "${crossbase}/${machine}"
+	set cc_final [concat $cc_final "-I$crossbase -I$crosstarget"]
+	# For a native compiler, the header files will be located at 
+	# the top level.
 	set includesbase "${comp_base_dir}/include/c++/${version}"
 	set includestarget "${includesbase}/${machine}"
 	set cc_final [concat $cc_final "-I$includesbase -I$includestarget"]