crossconfig.m4: Add fuchsia OS.

2017-01-17  Joshua Conner  <joshconner@google.com>

	* crossconfig.m4: Add fuchsia OS.
	* configure: Regenerate.

From-SVN: r244557

libstdc++-v3/ChangeLog

+2017-01-17  Joshua Conner  <joshconner@google.com>
+
+	* crossconfig.m4: Add fuchsia OS.
+	* configure: Regenerate. 
+
 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/69699

libstdc++-v3/configure

@@ -53327,6 +53327,12 @@ fi
 done
 
     ;;
+
+  *-fuchsia*)
+    SECTION_FLAGS='-ffunction-sections -fdata-sections'
+
+    ;;
+
   *-hpux*)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 

libstdc++-v3/crossconfig.m4

@@ -134,6 +134,12 @@ case "${host}" in
     fi
     AC_CHECK_FUNCS(__cxa_thread_atexit)
     ;;
+
+  *-fuchsia*)
+    SECTION_FLAGS='-ffunction-sections -fdata-sections'
+    AC_SUBST(SECTION_FLAGS)
+    ;;
+
   *-hpux*)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'
     AC_SUBST(SECTION_FLAGS)