diff -up ./CMakeLists.txt.exportheader ./CMakeLists.txt
--- ./CMakeLists.txt.exportheader 2020-08-04 20:01:15.813549694 -0400
+++ ./CMakeLists.txt 2020-08-04 20:01:28.052466746 -0400
@@ -70,7 +70,7 @@ install(DIRECTORY include/
FILES_MATCHING PATTERN "*.h")
install(FILES ${PROJECT_BINARY_DIR}/${PROJECT_NAME}_export.h
- DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
if(WIN32 AND NOT CYGWIN)
set(CMAKE_CONFIG_INSTALL_DIR CMake)