Fix Linux-specific libtinfo shared object linker option

CMakeLists.txt

@@ -113,10 +113,36 @@ if(BUILD_STATIC)
   set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++ -static")
 endif(BUILD_STATIC)
 
-find_library(CURSES_LIBRARY NAMES ncursesw cursesw ncurses curses)
+find_package(PkgConfig QUIET)  # import pkg_check_modules() and friends
+if(PKG_CONFIG_FOUND)
+  pkg_search_module(CURSES_LIBRARY ncursesw cursesw ncurses curses)
+  if(CURSES_LIBRARY_FOUND)
+    set(CURSES_LIBRARY ${CURSES_LIBRARY_LIBRARIES})
+  endif()
+  pkg_search_module(TINFO_LIBRARY tinfo)
+  if(TINFO_LIBRARY_FOUND)
+    set(TINFO_LIBRARY ${TINFO_LIBRARY_LIBRARIES})
+  endif()
+endif()
+if(NOT CURSES_LIBRARY)
+  find_library(CURSES_LIBRARY NAMES ncursesw cursesw ncurses curses)
+endif()
+if(NOT TINFO_LIBRARY)
+  find_library(TINFO_LIBRARY NAMES tinfo)
+endif()
 if(CURSES_LIBRARY)
   target_link_libraries(sipp dl ${CURSES_LIBRARY} pthread)
   target_link_libraries(sipp_unittest dl ${CURSES_LIBRARY} pthread gtest gmock)
+  if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    if(NOT BUILD_STATIC)
+      if(TINFO_LIBRARY)
+        target_link_libraries(sipp dl ${TINFO_LIBRARY})
+        target_link_libraries(sipp_unittest dl ${TINFO_LIBRARY})
+      else()
+        message(FATAL_ERROR "libtinfo was not found -- please install package")
+      endif(TINFO_LIBRARY)
+    endif(NOT BUILD_STATIC)
+  endif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 else()
   message(FATAL_ERROR "libcurses / libncurses was not found; please install devel package")
 endif()