i read that and tried downloading the background files but while building htslib i have downloaded htslib for platypus while bulding htslib i downloaded and then started with it i got the result as follows :

uhail@suhail-HP-Notebook:~/Desktop/htslib-1.5$ ./configure checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for ranlib... ranlib checking for special C compiler options needed for large files... no checking for _FILE_OFFSET_BITS value needed for large files... no checking shared library type... plain .so checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking for stdlib.h... (cached) yes checking for unistd.h... (cached) yes checking for sys/param.h... yes checking for getpagesize... yes checking for working mmap... yes checking for gmtime_r... yes checking whether fdatasync is declared... yes checking for fdatasync... yes checking for library containing log... -lm checking for zlib.h... yes checking for inflate in -lz... yes checking for library containing connect... none required checking for bzlib.h... yes checking for BZ2_bzBuffToBuffCompress in -lbz2... yes checking for lzma.h... yes checking for lzma_easy_buffer_encode in -llzma... yes checking for curl_easy_pause in -lcurl... yes checking for CCHmac... no checking for library containing HMAC... -lcrypto checking whether PTHREAD_MUTEX_RECURSIVE is declared... yes configure: creating ./config.status config.status: creating config.mk config.status: creating htslib.pc.tmp config.status: creating config.h config.status: config.h is unchanged

but when do the following there are errors in this way :

suhail@suhail-HP-Notebook:~/Desktop/htslib-1.5$ make install mkdir -p -m 755 /usr/local/bin /usr/local/include /usr/local/include/htslib /usr/local/lib /usr/local/share/man/man1 /usr/local/share/man/man5 /usr/local/lib/pkgconfig if test -n ""; then mkdir -p -m 755 ; fi install -p -m 644 libhts.so /usr/local/lib/libhts.so.1.5 install: cannot remove '/usr/local/lib/libhts.so.1.5': Permission denied Makefile:441: recipe for target 'install-so' failed make: * [install-so] Error 1

help me where i am going wrong ?