commit fbb180464035f2dd573cbbe3aa722d5dec159ea2
Author: Mike Taves <mwtoews@gmail.com>
Date:   Sat Nov 30 20:39:26 2019 +1300

    Fix CMake build without tests
    
    Fixes #1006

diff --git a/.gitignore b/.gitignore
index 1d28538b..57712f8b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -70,4 +70,5 @@ authors.git
 !/docker/**/Makefile
 /.vs*
 .idea/
+.project
 out/
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 93653818..77c93ed6 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -13,9 +13,11 @@
 add_executable(example example.cpp)
 
 target_link_libraries(example PRIVATE geos)
-target_include_directories(test_geos_unit
+if(BUILD_TESTING)
+    target_include_directories(test_geos_unit
         PRIVATE
         $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>)
+endif()
 
 option(BUILD_DOCUMENTATION "Build Doxygen documentation" OFF)