diff --git a/CMakeModules/oe_unix.cmake b/CMakeModules/oe_unix.cmake
index b464c12a46..2acbca2525 100644
--- a/CMakeModules/oe_unix.cmake
+++ b/CMakeModules/oe_unix.cmake
@@ -3,12 +3,9 @@
 IF(UNIX AND NOT ANDROID)
     # Not sure what this will do on Cygwin and Msys
     # Also, remember OS X X11 is a user installed option so it may not exist.
-    find_library(X11)
-    
+    FIND_PACKAGE(X11)
     # Some Unicies need explicit linkage to the Math library or the build fails.
-    find_library(MATH_LIBRARY m)
-    
-    # for pthreads
-    find_library(Threads)
-    
+    FIND_LIBRARY(MATH_LIBRARY m)
+    # for ptheads in linux
+    find_package(Threads REQUIRED)
 ENDIF(UNIX AND NOT ANDROID)
diff --git a/src/applications/osgearth_features/osgearth_features.cpp b/src/applications/osgearth_features/osgearth_features.cpp
index 81b88c49e2..8f88daa9af 100644
--- a/src/applications/osgearth_features/osgearth_features.cpp
+++ b/src/applications/osgearth_features/osgearth_features.cpp
@@ -41,7 +41,7 @@ using namespace osgEarth::Util;
 
 int usage( const std::string& app )
 {
-    OE_NOTICE "\n" << app << "\n"
+    OE_NOTICE << "\n" << app << "\n"
         << "  --rasterize           : draw features as rasterized image tiles \n"
         << "  --drape               : draw features as projected texture \n"
         << "  --clamp               : draw features using shader clamping \n"
diff --git a/src/osgEarth/CMakeLists.txt b/src/osgEarth/CMakeLists.txt
index 0f8726059c..224a37573c 100644
--- a/src/osgEarth/CMakeLists.txt
+++ b/src/osgEarth/CMakeLists.txt
@@ -980,6 +980,10 @@ IF (TRACY_FOUND)
     LINK_WITH_VARIABLES(${LIB_NAME} TRACY_LIBRARY)
 ENDIF(TRACY_FOUND)
 
+if(UNIX)
+    target_link_libraries(${LIB_NAME} PUBLIC Threads::Threads)
+endif()
+
 OPTION(NRL_STATIC_LIBRARIES "Link osgEarth against static GDAL and cURL, including static OpenSSL, Proj4, JPEG, PNG, and TIFF." OFF)
 if(NOT NRL_STATIC_LIBRARIES)
   LINK_WITH_VARIABLES(${LIB_NAME} OSG_LIBRARY OSGUTIL_LIBRARY OSGSIM_LIBRARY OSGDB_LIBRARY OSGVIEWER_LIBRARY OSGTEXT_LIBRARY OSGGA_LIBRARY OSGSHADOW_LIBRARY CURL_LIBRARY GDAL_LIBRARY OSGMANIPULATOR_LIBRARY)