lang-specs.h: Move -D_GNU_SOURCE to config/linux.h.

2001-06-07  Phil Edwards  <pme@sources.redhat.com>

	* cp/lang-specs.h:  Move -D_GNU_SOURCE to config/linux.h.
	* config/linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
	* config/pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.

From-SVN: r42989

gcc/ChangeLog

+2001-06-07  Phil Edwards  <pme@sources.redhat.com>
+
+	* linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
+	* pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.
+
 2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>
 
 	* doc/contrib.texi: Add copyright notice.

gcc/config/linux.h

@@ -75,6 +75,13 @@ Boston, MA 02111-1307, USA.  */
 #define CC1_SPEC "%{profile:-p}"
 #endif
 
+/* The GNU C++ standard library requires that these macros be
+   defined.  */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC                      \
+  "-D_GNU_SOURCE                                \
+   %(cpp_cpu)"
+
 #ifndef USE_GNULIBC_1
 #undef DEFAULT_VTABLE_THUNKS
 #define DEFAULT_VTABLE_THUNKS 1

gcc/config/pa/pa-linux.h

@@ -27,8 +27,6 @@ Boston, MA 02111-1307, USA.  */
 #undef CPP_PREDEFINES
 #define CPP_PREDEFINES "-D__ELF__ -Dunix -D__hppa__ -Dlinux -Asystem=unix -Asystem=posix -Acpu=hppa -Amachine=hppa -Amachine=bigendian"
 
-#undef CPLUSPLUS_CPP_SPEC
-
 #undef	LIB_SPEC
 #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
 

gcc/cp/ChangeLog

+2001-06-07  Phil Edwards  <pme@sources.redhat.com>
+
+	* lang-specs.h:  Move -D_GNU_SOURCE to config/linux.h.
+
 2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>
 
 	PR c++/2914

gcc/cp/lang-specs.h

@@ -35,13 +35,13 @@ Boston, MA 02111-1307, USA.  */
   {"@c++",
    /* cc1plus has an integrated ISO C preprocessor.  We should invoke
       the external preprocessor if -save-temps is given.  */
-    "%{E|M|MM:cpp0 -lang-c++ -D_GNU_SOURCE %{!no-gcc:-D__GNUG__=%v1}\
+    "%{E|M|MM:cpp0 -lang-c++ %{!no-gcc:-D__GNUG__=%v1}\
        %{!Wno-deprecated:-D__DEPRECATED}\
        %{!fno-exceptions:-D__EXCEPTIONS}\
        %{!fno-new-abi:-D__GXX_ABI_VERSION=100}\
        %{ansi:-D__STRICT_ANSI__ -trigraphs -$} %(cpp_options)}\
      %{!E:%{!M:%{!MM:\
-       %{save-temps:cpp0 -lang-c++ -D_GNU_SOURCE \
+       %{save-temps:cpp0 -lang-c++ \
 		    %{!no-gcc:-D__GNUG__=%v1}\
        		    %{!Wno-deprecated:-D__DEPRECATED}\
 		    %{!fno-exceptions:-D__EXCEPTIONS}\
@@ -50,7 +50,7 @@ Boston, MA 02111-1307, USA.  */
 		    %(cpp_options) %b.ii \n}\
       cc1plus %{save-temps:-fpreprocessed %b.ii}\
               %{!save-temps:%(cpp_options)\
-			    %{!no-gcc:-D__GNUG__=%v1} -D_GNU_SOURCE \
+			    %{!no-gcc:-D__GNUG__=%v1} \
        			    %{!Wno-deprecated:-D__DEPRECATED}\
 			    %{!fno-exceptions:-D__EXCEPTIONS}\
 			    %{!fno-new-abi:-D__GXX_ABI_VERSION=100}\