allow Library to disable hidden visibility

Change-Id: I1f676b7536183f68795595f216ae23610cadb1eb

solenv/gbuild/Library.mk

@@ -217,6 +217,7 @@ $(eval $(foreach method,\
 	add_sdi_headers \
 	export_objects_list \
 	add_nativeres \
+	set_visibility_default \
 	set_warnings_not_errors \
 	set_generated_cxx_suffix \
 ,\

solenv/gbuild/LinkTarget.mk

@@ -493,6 +493,7 @@ $(call gb_LinkTarget_get_headers_target,$(1)) \
 $(call gb_LinkTarget_get_target,$(1)) : PDBFILE :=
 $(call gb_LinkTarget_get_target,$(1)) : EXTRAOBJECTLISTS :=
 $(call gb_LinkTarget_get_target,$(1)) : NATIVERES :=
+$(call gb_LinkTarget_get_target,$(1)) : VISIBILITY :=
 $(call gb_LinkTarget_get_target,$(1)) : WARNINGS_NOT_ERRORS :=
 
 ifeq ($(gb_FULLDEPS),$(true))
@@ -516,6 +517,7 @@ $(call gb_LinkTarget_get_dep_target,$(1)) : INCLUDE_STL := $$(gb_LinkTarget_INCL
 $(call gb_LinkTarget_get_dep_target,$(1)) : TARGETTYPE :=
 $(call gb_LinkTarget_get_dep_target,$(1)) : LIBRARY_X64 :=
 $(call gb_LinkTarget_get_dep_target,$(1)) : EXTRAOBJECTLISTS :=
+$(call gb_LinkTarget_get_dep_target,$(1)) : VISIBILITY :=
 $(call gb_LinkTarget_get_dep_target,$(1)) : WARNINGS_NOT_ERRORS :=
 endif
 
@@ -1102,6 +1104,14 @@ endef
 gb_LinkTarget_use_externals = \
  $(foreach external,$(2),$(call gb_LinkTarget_use_external,$(1),$(external)))
 
+define gb_LinkTarget_set_visibility_default
+$(call gb_LinkTarget_get_target,$(1)) : VISIBILITY := default
+ifeq ($(gb_FULLDEPS),$(true))
+$(call gb_LinkTarget_get_dep_target,$(1)) : VISIBILITY := default
+endif
+
+endef
+
 define gb_LinkTarget_set_warnings_not_errors
 $(call gb_LinkTarget_get_target,$(1)) : WARNINGS_NOT_ERRORS := $(true)
 ifeq ($(gb_FULLDEPS),$(true))

solenv/gbuild/platform/com_GCC_class.mk

@@ -58,6 +58,7 @@ $(call gb_Helper_abbreviate_dirs,\
 	$(gb_CC) \
 		$(DEFS) \
 		$(if $(filter Library,$(TARGETTYPE)),$(gb_Library_LTOFLAGS)) \
+		$(if $(VISIBILITY),,$(gb_VISIBILITY_FLAGS)) \
 		$(if $(WARNINGS_NOT_ERRORS),,$(gb_CFLAGS_WERROR)) \
 		$(T_CFLAGS) \
 		-c $(3) \
@@ -79,6 +80,7 @@ $(call gb_Helper_abbreviate_dirs,\
 	$(gb_CXX) \
 		$(DEFS) \
 		$(if $(filter Library,$(TARGETTYPE)),$(gb_Library_LTOFLAGS)) \
+		$(if $(VISIBILITY),,$(gb_VISIBILITY_FLAGS)) \
 		$(if $(WARNINGS_NOT_ERRORS),,$(gb_CXXFLAGS_WERROR)) \
 		$(T_CXXFLAGS) \
 		-c $(3) \

solenv/gbuild/platform/com_GCC_defs.mk

@@ -79,6 +79,13 @@ gb_CXXFLAGS_COMMON := \
 	-fno-common \
 	-pipe \
 
+ifeq ($(HAVE_GCC_VISIBILITY_FEATURE),TRUE)
+gb_VISIBILITY_FLAGS := -DHAVE_GCC_VISIBILITY_FEATURE -fvisibility=hidden
+ifneq ($(HAVE_GCC_VISIBILITY_BROKEN),TRUE)
+gb_CXXFLAGS_COMMON += -fvisibility-inlines-hidden
+endif
+endif
+
 ifneq ($(EXTERNAL_WARNINGS_NOT_ERRORS),TRUE)
 gb_CFLAGS_WERROR := -Werror -DLIBO_WERROR
 gb_CXXFLAGS_WERROR := -Werror -DLIBO_WERROR

solenv/gbuild/platform/macosx.mk

@@ -69,24 +69,6 @@ gb_CXXFLAGS := \
 	#-fsigned-char \ might be removed?
 	#-malign-natural \ might be removed?
 
-ifeq ($(HAVE_GCC_VISIBILITY_FEATURE),TRUE)
-gb_COMPILERDEFS += \
-	-DHAVE_GCC_VISIBILITY_FEATURE \
-
-gb_CFLAGS += \
-    -fvisibility=hidden
-
-gb_CXXFLAGS += \
-	-fvisibility=hidden \
-
-ifneq ($(HAVE_GCC_VISIBILITY_BROKEN),TRUE)
-gb_CXXFLAGS += \
-    -fvisibility-inlines-hidden \
-
-endif
-
-endif
-
 ifeq ($(HAVE_SFINAE_ANONYMOUS_BROKEN),TRUE)
 gb_COMPILERDEFS += \
         -DHAVE_SFINAE_ANONYMOUS_BROKEN \
@@ -124,6 +106,7 @@ $(call gb_Helper_abbreviate_dirs,\
 	mkdir -p $(dir $(1)) $(dir $(4)) && \
 	$(gb_CXX) \
 		$(DEFS) \
+		$(if $(VISIBILITY),,$(gb_VISIBILITY_FLAGS)) \
 		$(if $(WARNINGS_NOT_ERRORS),,$(gb_CXXFLAGS_WERROR)) \
 		$(T_OBJCXXFLAGS) \
 		-c $(3) \
@@ -142,6 +125,7 @@ $(call gb_Helper_abbreviate_dirs,\
 	mkdir -p $(dir $(1)) $(dir $(4)) && \
 	$(gb_CC) \
 		$(DEFS) \
+		$(if $(VISIBILITY),,$(gb_VISIBILITY_FLAGS)) \
 		$(if $(WARNINGS_NOT_ERRORS),,$(gb_CFLAGS_WERROR)) \
 		$(T_OBJCFLAGS) \
 		-c $(3) \

solenv/gbuild/platform/solaris.mk

@@ -79,24 +79,6 @@ gb_CXXFLAGS := \
 	-Woverloaded-virtual \
 	-Wno-non-virtual-dtor \
 
-ifeq ($(HAVE_GCC_VISIBILITY_FEATURE),TRUE)
-gb_COMPILERDEFS += \
-        -DHAVE_GCC_VISIBILITY_FEATURE \
-
-gb_CFLAGS += \
-        -fvisibility=hidden
-
-gb_CXXFLAGS += \
-	-fvisibility=hidden \
-
-ifneq ($(HAVE_GCC_VISIBILITY_BROKEN),TRUE)
-gb_CXXFLAGS += \
-        -fvisibility-inlines-hidden \
-
-endif
-
-endif
-
 # enable debug STL
 ifeq ($(gb_PRODUCT),$(false))
 gb_COMPILERDEFS += \

solenv/gbuild/platform/unxgcc.mk

@@ -78,24 +78,6 @@ else
 gb_CXXFLAGS += -Wnon-virtual-dtor
 endif
 
-ifeq ($(HAVE_GCC_VISIBILITY_FEATURE),TRUE)
-gb_COMPILERDEFS += \
-        -DHAVE_GCC_VISIBILITY_FEATURE \
-
-gb_CFLAGS += \
-        -fvisibility=hidden
-
-gb_CXXFLAGS += \
-	-fvisibility=hidden \
-
-ifneq ($(HAVE_GCC_VISIBILITY_BROKEN),TRUE)
-gb_CXXFLAGS += \
-        -fvisibility-inlines-hidden \
-
-endif
-
-endif
-
 ifeq ($(HAVE_SFINAE_ANONYMOUS_BROKEN),TRUE)
 gb_COMPILERDEFS += \
         -DHAVE_SFINAE_ANONYMOUS_BROKEN \