addressed error in configure.ac

.travis.yml

@@ -49,7 +49,6 @@ env:
 before_install: 
 - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
 - sudo apt-get -qq update
-- sudo apt-get install lzma
 - if [ "${TRAVIS_BRANCH}" = "master" ]; then export BOOST_VERSION="${BOOST_VERSION_MIN}"; else export BOOST_VERSION="${BOOST_VERSION_MAX}"; fi
 - if [ -n "${BOOST_VERSION}" ]; then export BOOST_ROOT="${TRAVIS_BUILD_DIR}/../boost-trunk"; export CMAKE_MODULE_PATH="${BOOST_ROOT}"; fi
 - if [ "${TRAVIS_OS_NAME}" = "osx" -a "${CXX}" = "clang++" ]; then export CXX="$(which c++)"; export CC="$(which cc)"; fi

config.h.in

@@ -1,5 +1,8 @@
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* clock_getttime found */
+#undef HAVE_CLOCK_GETTIME
+
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 

configure

@@ -4779,7 +4779,7 @@ return lzma_code ();
   return 0;
 }
 _ACEOF
-for ac_lib in '' zma; do
+for ac_lib in '' lzma; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
@@ -4810,7 +4810,7 @@ if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 else
-  as_fn_error $? "lzma not found, please install lzma (http://www.7-zip.org/sdk.html)" "$LINENO" 5
+  as_fn_error $? "liblzma not found, please install lzma (http://www.7-zip.org/sdk.html)" "$LINENO" 5
 fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing BZ2_bzBuffToBuffDecompress" >&5
@@ -4871,9 +4871,9 @@ else
   as_fn_error $? "lib bz2 not found, please install" "$LINENO" 5
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing z" >&5
-$as_echo_n "checking for library containing z... " >&6; }
-if ${ac_cv_search_z+:} false; then :
+{ $as_echo "$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 :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -4886,47 +4886,47 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 #ifdef __cplusplus
 extern "C"
 #endif
-char z ();
+char clock_gettime ();
 int
 main ()
 {
-return z ();
+return clock_gettime ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' zma; do
+for ac_lib in '' rt; do
   if test -z "$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_z=$ac_res
+  ac_cv_search_clock_gettime=$ac_res
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_z+:} false; then :
+  if ${ac_cv_search_clock_gettime+:} false; then :
   break
 fi
 done
-if ${ac_cv_search_z+:} false; then :
+if ${ac_cv_search_clock_gettime+:} false; then :
 
 else
-  ac_cv_search_z=no
+  ac_cv_search_clock_gettime=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_z" >&5
-$as_echo "$ac_cv_search_z" >&6; }
-ac_res=$ac_cv_search_z
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
+$as_echo "$ac_cv_search_clock_gettime" >&6; }
+ac_res=$ac_cv_search_clock_gettime
 if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else
-  as_fn_error $? "lzma not found, please install lzma (http://www.7-zip.org/sdk.html)" "$LINENO" 5
+$as_echo "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
+
 fi
 
 

configure.ac

@@ -18,9 +18,9 @@ AC_CHECK_HEADER([zlib.h])
 
 # Check for libraries
 AC_SEARCH_LIBS([gzopen],[z],,[AC_MSG_ERROR([libz not found, please install zlib (http://www.zlib.net/)])])
-AC_SEARCH_LIBS([lzma_code],[zma],,[AC_MSG_ERROR([lzma not found, please install lzma (http://www.7-zip.org/sdk.html)])])
+AC_SEARCH_LIBS([lzma_code],[lzma],,[AC_MSG_ERROR([liblzma not found, please install lzma (http://www.7-zip.org/sdk.html)])])
 AC_SEARCH_LIBS([BZ2_bzBuffToBuffDecompress],[bz2],,[AC_MSG_ERROR([lib bz2 not found, please install])])
-AC_SEARCH_LIBS([z],[zma],,[AC_MSG_ERROR([lzma not found, please install lzma (http://www.7-zip.org/sdk.html)])])
+AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [clock_getttime found])], )
 
 # check for c++11
 #AX_CXX_COMPILE_STDCXX_11(,[optional])