Allow examples to build outside mastodonpp.

examples/example01_instance_info.cpp

@@ -15,7 +15,11 @@
 
 // Print information about an instance (/api/v1/instance).
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <iostream>
 #include <string>

examples/example02_streaming.cpp

@@ -15,7 +15,11 @@
 
 // Print new public events (/api/v1/streaming/public).
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <chrono>
 #include <iostream>

examples/example03_post_status.cpp

@@ -15,7 +15,11 @@
 
 // Post a status (/api/v1/status).
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <iostream>
 #include <string>

examples/example04_post_with_attachment.cpp

@@ -15,7 +15,11 @@
 
 // Post a status (/api/v1/status) with an attachment (/api/v1/media).
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <iostream>
 #include <string>

examples/example05_update_notification_settings.cpp

@@ -15,7 +15,11 @@
 
 // Update notification settings (/api/pleroma/notification_settings).
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <iostream>
 #include <string>

examples/example06_update_name.cpp

@@ -15,7 +15,11 @@
 
 // Update account display name settings (/api/v1/accounts/update_credentials).
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <iostream>
 #include <string>

examples/example07_delete_status.cpp

@@ -15,7 +15,11 @@
 
 // Post a status (/api/v1/status), then delete it (/api/v1/statuses/:id).
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <chrono>
 #include <iostream>

examples/example08_obtain_token.cpp

@@ -15,7 +15,11 @@
 
 // Obtain an access token and verify that it works.
 
-#include "mastodonpp.hpp"
+#if __has_include("mastodonpp.hpp")
+#    include "mastodonpp.hpp"            // We're building mastodonpp.
+#else
+#    include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
+#endif
 
 #include <cstdlib>
 #include <iostream>