updated configure to require lzma and bz2 (htslib requirements)

configure

@@ -4755,6 +4755,122 @@ else
   as_fn_error $? "libz not found, please install zlib (http://www.zlib.net/)" "$LINENO" 5
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing lzma_end" >&5
+$as_echo_n "checking for library containing lzma_end... " >&6; }
+if ${ac_cv_search_lzma_end+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char lzma_end ();
+int
+main ()
+{
+return lzma_end ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' lzma; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_cxx_try_link "$LINENO"; then :
+  ac_cv_search_lzma_end=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_lzma_end+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_lzma_end+:} false; then :
+
+else
+  ac_cv_search_lzma_end=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_lzma_end" >&5
+$as_echo "$ac_cv_search_lzma_end" >&6; }
+ac_res=$ac_cv_search_lzma_end
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+else
+  as_fn_error $? "liblzma not found, please install lzma" "$LINENO" 5
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing BZ2_bzBuffToBuffCompress" >&5
+$as_echo_n "checking for library containing BZ2_bzBuffToBuffCompress... " >&6; }
+if ${ac_cv_search_BZ2_bzBuffToBuffCompress+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char BZ2_bzBuffToBuffCompress ();
+int
+main ()
+{
+return BZ2_bzBuffToBuffCompress ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' bz2; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_cxx_try_link "$LINENO"; then :
+  ac_cv_search_BZ2_bzBuffToBuffCompress=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_BZ2_bzBuffToBuffCompress+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_BZ2_bzBuffToBuffCompress+:} false; then :
+
+else
+  ac_cv_search_BZ2_bzBuffToBuffCompress=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_BZ2_bzBuffToBuffCompress" >&5
+$as_echo "$ac_cv_search_BZ2_bzBuffToBuffCompress" >&6; }
+ac_res=$ac_cv_search_BZ2_bzBuffToBuffCompress
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+else
+  as_fn_error $? "libbz2 not found, please install bz2" "$LINENO" 5
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
 $as_echo_n "checking for library containing clock_gettime... " >&6; }
 if ${ac_cv_search_clock_gettime+:} false; then :

configure.ac

@@ -18,6 +18,8 @@ AC_CHECK_HEADER([zlib.h])
 # Check for libraries
 ##AC_SEARCH_LIBS([library],[function], [action-if-found], [action if not found])
 AC_SEARCH_LIBS([gzopen],[z],,[AC_MSG_ERROR([libz not found, please install zlib (http://www.zlib.net/)])])
+AC_SEARCH_LIBS([lzma_end],[lzma],,[AC_MSG_ERROR([liblzma not found, please install lzma])])
+AC_SEARCH_LIBS([BZ2_bzBuffToBuffCompress],[bz2],,[AC_MSG_ERROR([libbz2 not found, please install bz2])])
 AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [clock_getttime found])], )
 
 # Only fail on warnings when the --enable-development flag is passed into configure