Merge pull request microsoft#6621 from NNemec/glibmm

[glibmm] fix microsoft#6550 by partially reverting microsoft#5937 (+minor correction in glibmmconfig.h)

ports/glibmm/CMakeLists.txt

@@ -40,9 +40,14 @@ if(APPLE)
   link_libraries(${COREFOUNDATION_LIBRARY} ${CORESERVICES_LIBRARY} ${FOUNDATION_LIBRARY})
 endif()
 
-if(BUILD_SHARED_LIBS)
-    add_definitions(-DGLIBMM_DLL -DGIOMM_DLL)
-else()
+# Activate workaround for exporting all symbols from Windows DLLs to mimic the 
+# behavior on Linux, where dynamic libraries always export all symbols.
+# The same approach was already used by the upstream MSVC build (see MSVC_NMake/gendef/gendef.cc)
+if (WIN32)
+    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+endif()
+
+if(NOT BUILD_SHARED_LIBS)
     add_definitions(-DGLIBMM_STATIC_LIB -DGIOMM_STATIC_LIB)
 endif()
 

ports/glibmm/CONTROL

@@ -1,4 +1,4 @@
-Source: glibmm
-Version: 2.52.1-8
-Description: This is glibmm, a C++ API for parts of glib that are useful for C++. See http://www.gtkmm.org.
-Build-Depends: zlib, pcre, libffi, gettext, libiconv, glib, libsigcpp
+Source: glibmm
+Version: 2.52.1-9
+Description: This is glibmm, a C++ API for parts of glib that are useful for C++. See http://www.gtkmm.org.
+Build-Depends: zlib, pcre, libffi, gettext, libiconv, glib, libsigcpp

ports/glibmm/fix-define-glibmmconfig.patch

@@ -0,0 +1,43 @@
+diff --git a/MSVC_Net2013/glibmm/glibmmconfig.h b/MSVC_Net2013/glibmm/glibmmconfig.h
+index 61bb83e..7dbe809 100644
+--- a/MSVC_Net2013/glibmm/glibmmconfig.h
++++ b/MSVC_Net2013/glibmm/glibmmconfig.h
+@@ -7,12 +7,17 @@
+ # if defined(_MSC_VER)
+ #  define GLIBMM_MSC 1
+ #  define GLIBMM_WIN32 1
+-#  define GLIBMM_DLL 1
++#  if !defined(GLIBMM_STATIC_LIB)
++#    define GLIBMM_DLL 1
++#  endif
+ # elif defined(__CYGWIN__)
+ #  define GLIBMM_CONFIGURE 1
+ # elif defined(__MINGW32__)
+ #  define GLIBMM_WIN32 1
+ #  define GLIBMM_CONFIGURE 1
++#  if !defined(GLIBMM_STATIC_LIB)
++#    define GLIBMM_DLL 1
++#  endif
+ # else
+    /* AIX clR compiler complains about this even though it doesn't get this far */
+ #  error "Unknown architecture (send me gcc --dumpspecs or equiv)"
+@@ -108,6 +113,7 @@
+ # define GLIBMM_HAVE_WIDE_STREAM 1
+ # define GLIBMM_HAVE_DISAMBIGUOUS_CONST_TEMPLATE_SPECIALIZATIONS 1
+ # define GLIBMM_HAVE_C_STD_TIME_T_IS_NOT_INT32 1
++# define GLIBMM_HAVE_ALLOWS_STATIC_INLINE_NPOS 1
+ # define GLIBMM_CAN_USE_DYNAMIC_CAST_IN_UNUSED_TEMPLATE_WITHOUT_DEFINITION 1
+ # define GLIBMM_CAN_ASSIGN_NON_EXTERN_C_FUNCTIONS_TO_EXTERN_C_CALLBACKS 1
+ # define GLIBMM_CAN_USE_NAMESPACES_INSIDE_EXTERNC 1
+@@ -140,11 +146,6 @@
+  * it to be defined.  Remove after grace period. */
+ #define GLIBMM_USING_STD(Symbol)
+
+-/* Enable DLL-specific stuff only when not building a static library */
+-#if !defined(__CYGWIN__) && defined(__MINGW32__) && !defined(GLIBMM_STATIC_LIB)
+-# define GLIBMM_DLL 1
+-#endif
+-
+ #ifdef GLIBMM_DLL
+ # if defined(GLIBMM_BUILD) && defined(_WINDLL)
+    /* Do not dllexport as it is handled by gendef on MSVC */

ports/glibmm/portfile.cmake

@@ -1,12 +1,10 @@
-# Glib uses winapi functions not available in WindowsStore, so glibmm also
 include(vcpkg_common_functions)
 
+# Glib uses winapi functions not available in WindowsStore
 if (VCPKG_CMAKE_SYSTEM_NAME STREQUAL WindowsStore)
     message(FATAL_ERROR "Error: UWP builds are currently not supported.")
 endif()
 
-vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
-
 set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/glibmm-2.52.1)
 vcpkg_download_distfile(ARCHIVE
     URLS "http://ftp.gnome.org/pub/GNOME/sources/glibmm/2.52/glibmm-2.52.1.tar.xz"
@@ -17,7 +15,9 @@ vcpkg_extract_source_archive(${ARCHIVE})
 
 vcpkg_apply_patches(
     SOURCE_PATH ${SOURCE_PATH}
-    PATCHES ${CMAKE_CURRENT_LIST_DIR}/glibmm-api-variant.patch
+    PATCHES 
+        ${CMAKE_CURRENT_LIST_DIR}/glibmm-api-variant.patch
+        ${CMAKE_CURRENT_LIST_DIR}/fix-define-glibmmconfig.patch
 )
 
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})