libarchive: Update to latest v3.6.2

Changes in build description:
- fix capitalization of ENABLE_LIBGCC flag.
- add new HIDE_SYMBOLS flag to allow hiding of export symbols; used
similar logic as for libcurl to circumvent the original
CHECK_C_SOURCE_COMPILES macro use.

1 files changed, 23 insertions, 1 deletions

diff --git a/etc/defaults/CC/TARGETS.archive b/etc/defaults/CC/TARGETS.archive
index 7e6b1a1b..a5b1cd4c 100644
--- a/etc/defaults/CC/TARGETS.archive
+++ b/etc/defaults/CC/TARGETS.archive
@@ -1,6 +1,7 @@
 { "defaults":
   { "type": ["CC", "defaults"]
-  , "arguments_config": ["OS", "COMPILER_FAMILY", "DEBUG", "ENABLE_BZip2"]
+  , "arguments_config":
+    ["OS", "COMPILER_FAMILY", "DEBUG", "ENABLE_BZip2", "HIDE_SYMBOLS"]
   , "base": [["@", "base", "CC", "defaults"]]
   , "ADD_CFLAGS":
     { "type": "let*"
@@ -93,6 +94,27 @@
             , ["mac", ["-Wno-deprecated-declarations"]]
             ]
           }
+        , { "type": "if"
+          , "cond":
+            { "type": "=="
+            , "$1": {"type": "var", "name": "COMPILER_FAMILY"}
+            , "$2": "msvc"
+            }
+          , "then": []
+          , "else":
+            { "type": "if"
+            , "cond": {"type": "var", "name": "HIDE_SYMBOLS"}
+            , "then":
+              { "type": "case*"
+              , "expr": {"type": "var", "name": "COMPILER_FAMILY"}
+              , "case":
+                [ ["clang", ["-D__LIBARCHIVE_ENABLE_VISIBILITY"]]
+                , ["gnu", ["-D__LIBARCHIVE_ENABLE_VISIBILITY"]]
+                , ["intel", ["-D__LIBARCHIVE_ENABLE_VISIBILITY"]]
+                ]
+              }
+            }
+          }
         ]
       }
     }