diff --git a/src/archive.h b/src/archive.h
index 5c9f760..cf0976a 100644
--- a/src/archive.h
+++ b/src/archive.h
@@ -26,6 +26,14 @@
 #include <string>
 #include <vector>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 class launchpad;
 
 struct build_record {
diff --git a/src/archive_dependency.h b/src/archive_dependency.h
index 95e992b..066ee32 100644
--- a/src/archive_dependency.h
+++ b/src/archive_dependency.h
@@ -5,6 +5,14 @@
 #include <optional>
 #include <nlohmann/json.hpp>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 class launchpad;
 
 class archive_dependency {
diff --git a/src/archive_permission.h b/src/archive_permission.h
index 497ee81..0d47e94 100644
--- a/src/archive_permission.h
+++ b/src/archive_permission.h
@@ -22,6 +22,14 @@
 #include <generator>
 #include "distro_series.h"
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 class launchpad;
 
 class archive_permission {
diff --git a/src/authentication.h b/src/authentication.h
index 6c478b7..ace45d3 100644
--- a/src/authentication.h
+++ b/src/authentication.h
@@ -19,6 +19,14 @@
 #include <string>
 #include <map>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 extern const std::string AUTH_PLAINTEXT_CREDENTIALS_FILE;
 
 bool read_plaintext_credentials_impl(std::string& consumer_key,
diff --git a/src/binary_package_publishing_history.h b/src/binary_package_publishing_history.h
index 6a27acd..f4b5db2 100644
--- a/src/binary_package_publishing_history.h
+++ b/src/binary_package_publishing_history.h
@@ -6,6 +6,14 @@
 #include <nlohmann/json.hpp>
 #include <generator>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 class launchpad;
 
 class binary_package_publishing_history {
diff --git a/src/callablewrapper.h b/src/callablewrapper.h
index 24e9907..e3e6b50 100644
--- a/src/callablewrapper.h
+++ b/src/callablewrapper.h
@@ -20,6 +20,14 @@
 #include <functional>
 #include <optional>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 // Forward declaration
 class launchpad;
 
diff --git a/src/distro_arch_series.h b/src/distro_arch_series.h
index 2bea6bd..33bf086 100644
--- a/src/distro_arch_series.h
+++ b/src/distro_arch_series.h
@@ -6,6 +6,14 @@
 #include <nlohmann/json.hpp>
 #include <generator>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 class launchpad;
 
 class distro_arch_series {
diff --git a/src/distro_arch_series_filter.h b/src/distro_arch_series_filter.h
index 9d81fec..7549bf9 100644
--- a/src/distro_arch_series_filter.h
+++ b/src/distro_arch_series_filter.h
@@ -5,6 +5,14 @@
 #include <optional>
 #include <nlohmann/json.hpp>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 class launchpad;
 
 class distro_arch_series_filter {
diff --git a/src/distro_series.h b/src/distro_series.h
index b2b1f2a..bca8f29 100644
--- a/src/distro_series.h
+++ b/src/distro_series.h
@@ -7,6 +7,14 @@
 #include <generator>
 #include <vector>
 
+#ifndef LAUNCHPAD_API
+#ifdef BUILDING_LAUNCHPAD
+  #define LAUNCHPAD_API __attribute__((visibility("default")))
+#else
+  #define LAUNCHPAD_API
+#endif
+#endif
+
 class launchpad;
 
 class distro_series {