tweaks to build libs as DLLs under windows
diff --git a/src/libFLAC/format.c b/src/libFLAC/format.c
index c646247..c56334c 100644
--- a/src/libFLAC/format.c
+++ b/src/libFLAC/format.c
@@ -33,99 +33,99 @@
 #define min(a,b) ((a)<(b)?(a):(b))
 
 /* VERSION should come from configure */
-const char *FLAC__VERSION_STRING = VERSION;
+FLAC_API const char *FLAC__VERSION_STRING = VERSION;
 
 #if defined _MSC_VER || defined __MINW32__
 /* yet one more hack because of MSVC6: */
-const char *FLAC__VENDOR_STRING = "reference libFLAC 1.0.4 20020924";
+FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC 1.0.4 20020924";
 #else
-const char *FLAC__VENDOR_STRING = "reference libFLAC " VERSION " 20020924";
+FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC " VERSION " 20020924";
 #endif
 
-const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' };
-const unsigned FLAC__STREAM_SYNC = 0x664C6143;
-const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */;
+FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' };
+FLAC_API const unsigned FLAC__STREAM_SYNC = 0x664C6143;
+FLAC_API const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */;
 
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = 16; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = 16; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = 24; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = 24; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = 20; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = 3; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = 5; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = 36; /* bits */
-const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = 128; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = 16; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = 16; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = 24; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = 24; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = 20; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = 3; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = 5; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = 36; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = 128; /* bits */
 
-const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */
 
-const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
-const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
-const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
 
-const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = 0xffffffffffffffff;
+FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = 0xffffffffffffffff;
 
-const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = 32; /* bits */
-const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = 32; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = 32; /* bits */
 
-const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
-const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
-const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
+FLAC_API const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
 
-const unsigned FLAC__FRAME_HEADER_SYNC = 0x3ffe;
-const unsigned FLAC__FRAME_HEADER_SYNC_LEN = 14; /* bits */
-const unsigned FLAC__FRAME_HEADER_RESERVED_LEN = 2; /* bits */
-const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 4; /* bits */
-const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */
-const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */
-const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */
-const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */
-const unsigned FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC = 0x3ffe;
+FLAC_API const unsigned FLAC__FRAME_HEADER_SYNC_LEN = 14; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_RESERVED_LEN = 2; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */
 
-const unsigned FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */
+FLAC_API const unsigned FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */
 
-const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */
-const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */
-const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
-const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */
 
-const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
+FLAC_API const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
 
-const char * const FLAC__EntropyCodingMethodTypeString[] = {
+FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[] = {
 	"PARTITIONED_RICE"
 };
 
-const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */
-const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */
 
-const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN = 1; /* bits */
-const unsigned FLAC__SUBFRAME_TYPE_LEN = 6; /* bits */
-const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN = 1; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LEN = 6; /* bits */
+FLAC_API const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = 1; /* bits */
 
-const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = 0x00;
-const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = 0x02;
-const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = 0x10;
-const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = 0x40;
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = 0x00;
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = 0x02;
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = 0x10;
+FLAC_API const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = 0x40;
 
-const char * const FLAC__SubframeTypeString[] = {
+FLAC_API const char * const FLAC__SubframeTypeString[] = {
 	"CONSTANT",
 	"VERBATIM",
 	"FIXED",
 	"LPC"
 };
 
-const char * const FLAC__ChannelAssignmentString[] = {
+FLAC_API const char * const FLAC__ChannelAssignmentString[] = {
 	"INDEPENDENT",
 	"LEFT_SIDE",
 	"RIGHT_SIDE",
 	"MID_SIDE"
 };
 
-const char * const FLAC__FrameNumberTypeString[] = {
+FLAC_API const char * const FLAC__FrameNumberTypeString[] = {
 	"FRAME_NUMBER_TYPE_FRAME_NUMBER",
 	"FRAME_NUMBER_TYPE_SAMPLE_NUMBER"
 };
 
-const char * const FLAC__MetadataTypeString[] = {
+FLAC_API const char * const FLAC__MetadataTypeString[] = {
 	"STREAMINFO",
 	"PADDING",
 	"APPLICATION",
@@ -133,7 +133,7 @@
 	"VORBIS_COMMENT"
 };
 
-FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate)
+FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(unsigned sample_rate)
 {
 	if(
 		sample_rate == 0 ||
@@ -149,7 +149,7 @@
 		return true;
 }
 
-FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table)
+FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table)
 {
 	unsigned i;
 	FLAC__uint64 prev_sample_number = 0;
@@ -184,7 +184,7 @@
 		return 1;
 }
 
-unsigned FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table)
+FLAC_API unsigned FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table)
 {
 	unsigned i, j;
 	FLAC__bool first;