From 93cd5c5f2f6c23bae83c907b6381dca9492e9eff Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 6 Jul 2017 16:57:28 +0200
Subject: options/value: try "extern template" for code size

---
 compat/linkage-macros.hpp |  3 +++
 options/value.cpp         |  3 +++
 options/value.hpp         | 23 +++++++++++++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 options/value.cpp

diff --git a/compat/linkage-macros.hpp b/compat/linkage-macros.hpp
index 460e7ee5..a4c4b351 100644
--- a/compat/linkage-macros.hpp
+++ b/compat/linkage-macros.hpp
@@ -7,3 +7,6 @@
 #   define OTR_GENERIC_EXPORT __attribute__ ((visibility ("default")))
 #   define OTR_GENERIC_IMPORT
 #endif
+
+#define OTR_TEMPLATE_EXPORT template class OTR_GENERIC_EXPORT
+#define OTR_TEMPLATE_IMPORT extern template class OTR_GENERIC_IMPORT
diff --git a/options/value.cpp b/options/value.cpp
new file mode 100644
index 00000000..39bf0506
--- /dev/null
+++ b/options/value.cpp
@@ -0,0 +1,3 @@
+// instantiate the "template class" value<t> symbols
+#define OTR_OPT_VALUE_TMPL_EXPORT
+#include "value.hpp"
diff --git a/options/value.hpp b/options/value.hpp
index ba482cf7..be3e4be2 100644
--- a/options/value.hpp
+++ b/options/value.hpp
@@ -130,4 +130,27 @@ private:
     const t def;
 };
 
+#if defined OTR_OPT_VALUE_TMPL_EXPORT && defined BUILD_OPTIONS
+#   define OTR_OPT_VALUE OTR_TEMPLATE_EXPORT
+#else
+#   define OTR_OPT_VALUE OTR_TEMPLATE_IMPORT
+#endif
+
+OTR_OPT_VALUE value<double>;
+OTR_OPT_VALUE value<float>;
+OTR_OPT_VALUE value<int>;
+OTR_OPT_VALUE value<bool>;
+OTR_OPT_VALUE value<QString>;
+OTR_OPT_VALUE value<slider_value>;
+OTR_OPT_VALUE value<QPointF>;
+OTR_OPT_VALUE value<QVariant>;
+
+OTR_OPT_VALUE value<QList<double>>;
+OTR_OPT_VALUE value<QList<float>>;
+OTR_OPT_VALUE value<QList<int>>;
+OTR_OPT_VALUE value<QList<bool>>;
+OTR_OPT_VALUE value<QList<QString>>;
+OTR_OPT_VALUE value<QList<slider_value>>;
+OTR_OPT_VALUE value<QList<QPointF>>;
+
 } // ns options
-- 
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