compile failure

[Steve Zhou]

Hi GNUPG team,
When I tried to do make operation i got the following error:
compress.o: In function `do_compress':/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:107: undefined reference to `deflate'compress.o: In function `init_uncompress':/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:147: undefined reference to `inflateInit_'compress.o: In function `do_uncompress':/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:196: undefined reference to `inflate'compress.o: In function `init_compress':/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:82: undefined reference to `deflateInit_'compress.o: In function `init_uncompress':/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:147: undefined reference to `inflateInit2_'compress.o: In function `init_compress':/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:82: undefined reference to `deflateInit2_'compress.o: In function `compress_filter':/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:264: undefined reference to `inflateEnd'/home/steve/Desktop/gnupg-2.0.19/g10/compress.c:273: undefined reference to `deflateEnd'collect2: ld returned 1 exit statusmake[2]: *** [gpg2] Error 1make[2]: Leaving directory `/home/steve/Desktop/gnupg-2.0.19/g10'make[1]: *** [all-recursive] Error 1make[1]: Leaving directory `/home/steve/Desktop/gnupg-2.0.19'make: *** [all] Error 2
May i know what was missing?
thank you for your help in advance!
Regards,Steve 		 	   		  
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