scope private/public headers when embedding into other projects

thanks to Cameron Palmer

apps/nc/CMakeLists.txt

@@ -1,12 +1,5 @@
 if(BUILD_NC)
 
-include_directories(
-	.
-	./compat
-	../../include
-	../../include/compat
-)
-
 set(
 	NC_SRC
 	atomicio.c
@@ -50,6 +43,7 @@ else()
 endif()
 
 add_executable(nc ${NC_SRC})
+target_include_directories(nc PRIVATE . ./compat)
 target_link_libraries(nc tls ${OPENSSL_LIBS})
 
 if(ENABLE_NC)

apps/ocspcheck/CMakeLists.txt

@@ -1,12 +1,5 @@
 if(NOT MSVC)
 
-include_directories(
-	.
-	./compat
-	../../include
-	../../include/compat
-)
-
 set(
 	OCSPCHECK_SRC
 	http.c
@@ -27,6 +20,7 @@ else()
 endif()
 
 add_executable(ocspcheck ${OCSPCHECK_SRC})
+target_include_directories(ocspcheck PRIVATE . ./compat)
 target_link_libraries(ocspcheck tls ${OPENSSL_LIBS})
 
 if(ENABLE_LIBRESSL_INSTALL)

apps/openssl/CMakeLists.txt

@@ -1,9 +1,3 @@
-include_directories(
-	.
-	../../include
-	../../include/compat
-)
-
 set(
 	OPENSSL_SRC
 	apps.c
@@ -74,6 +68,7 @@ else()
 endif()
 
 add_executable(openssl ${OPENSSL_SRC})
+target_include_directories(openssl PRIVATE .)
 target_link_libraries(openssl ${OPENSSL_LIBS})
 
 if(ENABLE_LIBRESSL_INSTALL)