Don't force visibility to hidden for Darwin > 8.

	PR libstdc++/70694
	* configure.host (OPT_LDFLAGS): Don't append
	-fvisibility-inlines-hidden for newer Darwin.

From-SVN: r263850

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9f9be6c552ce45b7350f42cb1587c48a68cc8b62..d752108797d6724b92a485fb6b49ad7534200ff7 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
+
+       PR libstdc++/70694
+       * configure.host (OPT_LDFLAGS): Don't append
+       -fvisibility-inlines-hidden for newer Darwin.
+
 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 
        PR libstdc++/86822

diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
index caea9de9c7655600f9d0a3f8ff7b1fb5b793fc58..155a3cdea1bad297b3cd4c21ecd3c7307b5e6ac9 100644 (file)
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -230,16 +230,15 @@ case "${host_os}" in
     os_include_dir="os/newlib"
     OPT_LDFLAGS="${OPT_LDFLAGS} \$(lt_host_flags)"
     ;;
-  darwin | darwin[1-7] | darwin[1-7].*)
-    # On Darwin, performance is improved if libstdc++ is single-module.
-    # Up to at least 10.3.7, -flat_namespace is required for proper
-    # treatment of coalesced symbols.
+  darwin[4-7] | darwin[4-7].*)
+    # For earlier Darwin, performance is improved if libstdc++ is
+    # single-module. Up to at least 10.3.7, -flat_namespace is required
+    # for proper treatment of coalesced symbols.
     OPT_LDFLAGS="${OPT_LDFLAGS} -Wl,-single_module -Wl,-flat_namespace"
     os_include_dir="os/bsd/darwin"
     ;;
-  darwin[89] | darwin[89].* | darwin[1-9][0-9]* )
-    # On Darwin, performance is improved if libstdc++ is single-module,
-    # and on 8+ compatibility is better if not -flat_namespace.
+  darwin8 | darwin8.* )
+    # For 8+ compatibility is better if not -flat_namespace.
     OPT_LDFLAGS="${OPT_LDFLAGS} -Wl,-single_module"
     case "${host_cpu}" in
       i[34567]86 | x86_64)
@@ -248,6 +247,10 @@ case "${host_os}" in
     esac
     os_include_dir="os/bsd/darwin"
     ;;
+  darwin*)
+    # Post Darwin8, defaults should be sufficient.
+    os_include_dir="os/bsd/darwin"
+    ;;
   *djgpp*)      # leading * picks up "msdosdjgpp"
     os_include_dir="os/djgpp"
     error_constants_dir="os/djgpp"