Define and use PROFILE_DLL_API

src/Audacity.h

@@ -120,6 +120,15 @@ void QuitAudacity();
    #endif
 #endif //_MSC_VER
 
+// Put extra symbol information in the release build, for the purpose of gathering
+// profiling information (as from Windows Process Monitor), when there otherwise
+// isn't a need for AUDACITY_DLL_API.
+#if IS_ALPHA
+   #define PROFILE_DLL_API AUDACITY_DLL_API
+#else
+   #define PROFILE_DLL_API
+#endif
+
 /* The GCC-elf implementation */
 #ifdef HAVE_VISIBILITY // this is provided by the configure script, is only
 // enabled for suitable GCC versions

src/BlockFile.h

@@ -38,7 +38,7 @@ class SummaryInfo {
 
 
 
-class BlockFile /* not final */ {
+class PROFILE_DLL_API BlockFile /* not final */ {
  public:
 
    // Constructor / Destructor

src/DirManager.h

@@ -34,7 +34,7 @@ WX_DECLARE_HASH_MAP(wxString, BlockFile*, wxStringHash, wxStringEqual, BlockHash
 
 wxMemorySize GetFreeMemory();
 
-class DirManager final : public XMLTagHandler {
+class PROFILE_DLL_API DirManager final : public XMLTagHandler {
  public:
 
    // MM: Construct DirManager with refcount=1

src/Sequence.h

@@ -55,7 +55,7 @@ class SeqBlock {
 class BlockArray : public std::vector<SeqBlock> {};
 using BlockPtrArray = std::vector<SeqBlock*>; // non-owning pointers
 
-class Sequence final : public XMLTagHandler {
+class PROFILE_DLL_API Sequence final : public XMLTagHandler{
  public:
 
    //

src/blockfile/SimpleBlockFile.h

@@ -42,7 +42,7 @@ typedef struct {
    wxUint32 channels;   // number of interleaved channels
 } auHeader;
 
-class SimpleBlockFile /* not final */ : public BlockFile {
+class PROFILE_DLL_API SimpleBlockFile /* not final */ : public BlockFile {
  public:
 
    // Constructor / Destructor