Merge pull request #1044 from tdesveauxPKFX/visibility-hidden

Add Visibility API for gcc/clang toolsets

src/_premake_init.lua

@@ -1366,6 +1366,18 @@
 		}
 	}
 
+	api.register {
+		name = "visibility",
+		scope = "config",
+		kind = "string",
+		allowed = {
+			"Default",
+			"Hidden",
+			"Internal",
+			"Protected"
+		}
+	}
+
 -----------------------------------------------------------------------------
 --
 -- Field name aliases for backward compatibility

src/tools/gcc.lua

@@ -171,6 +171,12 @@
 		},
 		rtti = {
 			Off = "-fno-rtti"
+		},
+		visibility = {
+			Default = "-fvisibility=default",
+			Hidden = "-fvisibility=hidden",
+			Internal = "-fvisibility=internal",
+			Protected = "-fvisibility=protected",
 		}
 	}
 

tests/tools/test_gcc.lua

@@ -320,7 +320,6 @@
 		test.contains({ "-fno-stack-protector" }, gcc.getcxxflags(cfg))
 	end
 
-
 --
 -- Check the basic translation of LDFLAGS for a Posix system.
 --
@@ -836,3 +835,35 @@
 		test.contains({ "-fno-omit-frame-pointer" }, gcc.getcxxflags(cfg))
 		test.contains({ "-fno-omit-frame-pointer" }, gcc.getcflags(cfg))
 	end
+
+--
+-- Test visibility.
+--
+
+	function suite.cxxflags_onVisibilityDefault()
+		visibility "Default"
+		prepare()
+		test.excludes({ "-fvisibility=default" }, gcc.getcflags(cfg))
+		test.contains({ "-fvisibility=default" }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cxxflags_onVisibilityHidden()
+		visibility "Hidden"
+		prepare()
+		test.excludes({ "-fvisibility=hidden" }, gcc.getcflags(cfg))
+		test.contains({ "-fvisibility=hidden" }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cxxflags_onVisibilityInternal()
+		visibility "Internal"
+		prepare()
+		test.excludes({ "-fvisibility=internal" }, gcc.getcflags(cfg))
+		test.contains({ "-fvisibility=internal" }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cxxflags_onVisibilityProtected()
+		visibility "Protected"
+		prepare()
+		test.excludes({ "-fvisibility=protected" }, gcc.getcflags(cfg))
+		test.contains({ "-fvisibility=protected" }, gcc.getcxxflags(cfg))
+	end