Changes between Version 65 and Version 66 of LibcxxOnOlderSystems

Timestamp:

Nov 23, 2018, 1:26:40 AM (5 years ago)

Author:

kencu (Ken)

Comment:

--

LibcxxOnOlderSystems

@@ -13 +13 @@
 
 If you use MacPorts C++-using ports as dependencies for C++-using software that you compile outside of MacPorts, you must compile that software using libc++ as well.
+
+[Note: since the original writing of this article, MacPorts has developed the ability to build software against newer versions of libgcc that support c++11 (and newer) as well. This is currently undertaken by default in MacPorts. You may still wish to use libc++ as your default runtime to achieve maximal compatibility with currently-developed software, however. If so, continue with these instructions.]
 
 == Lion and Mountain Lion ==
@@ -62 +64 @@
 buildfromsource    always
 default_compilers  macports-clang-3.4 gcc-4.2 apple-gcc-4.2 gcc-4.0
+revupgrade_autorun no
 }}}
 3. Uninstall all the remaining inactive ports:
@@ -96 +99 @@
 sudo port -v deactivate ld64-127
 }}}
-10. **Experimental:** Install clang-3.9
+10. Install clang-3.9
 {{{
 sudo port -v install clang-3.9
 }}}
-11. **Experimental:** Edit `/opt/local/etc/macports/macports.conf` again to add `macports-clang-3.9` as preferred compiler:
+11. Edit `/opt/local/etc/macports/macports.conf` again to add `macports-clang-3.9` as preferred compiler, and re-enable revupgrade_autorun:
 {{{
-default_compilers macports-clang-3.9 macports-clang-3.8 macports-clang-3.7 macports-clang-3.4 gcc-4.2 apple-gcc-4.2 gcc-4.0
+default_compilers macports-clang-3.9 macports-clang-3.7 macports-clang-3.4 gcc-4.2 apple-gcc-4.2 gcc-4.0
+## delete this line you added previously ==> revupgrade_autorun         no
 }}}
 12. Uninstall the bootstrap toolchain:
@@ -109 +113 @@
 sudo port -v uninstall inactive
 }}}
+13. Snow Leopard is able to install and use versions of clang and llvm up at least 7.0 at present. Leopard is presently limited to clang-3.9.
 
 == Leopard (ppc) ==