Move implementation from header back to compilation unit

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>

3 files changed, 45 insertions, 13 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 11e3f3c..06ab448 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,7 +41,6 @@ IF (NOT CMAKE_BUILD_TYPE)
 ENDIF()
 MESSAGE("${PROJECT_NAME}: Build type: ${CMAKE_BUILD_TYPE}")
 
-include_directories(${CMAKE_CURRENT_BINARY_DIR}/libnitrokey)
 include_directories(hidapi)
 include_directories(libnitrokey)
 set(SOURCE_FILES
@@ -67,7 +66,9 @@ set(SOURCE_FILES
     NitrokeyManager.cc
     NK_C_API.h
     NK_C_API.cc
-        DeviceCommunicationExceptions.cpp)
+    DeviceCommunicationExceptions.cpp
+    ${CMAKE_CURRENT_BINARY_DIR}/version.cc
+    )
 
 set(BUILD_SHARED_LIBS ON CACHE BOOL "Build all libraries as shared")
 add_library(nitrokey ${SOURCE_FILES})
@@ -118,10 +119,10 @@ ENDIF()
 
 # generate version.h
 exec_program("git" ${CMAKE_CURRENT_SOURCE_DIR} ARGS "describe --always" OUTPUT_VARIABLE PROJECT_VERSION_GIT)
-configure_file("libnitrokey/version.h.in" "libnitrokey/version.h" @ONLY)
+configure_file("version.cc.in" "version.cc" @ONLY)
 
 
-file(GLOB LIB_INCLUDES "libnitrokey/*.h" "NK_C_API.h" "${CMAKE_CURRENT_BINARY_DIR}/libnitrokey/version.h")
+file(GLOB LIB_INCLUDES "libnitrokey/*.h" "NK_C_API.h")
 install (FILES ${LIB_INCLUDES} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
 install (TARGETS nitrokey DESTINATION ${CMAKE_INSTALL_LIBDIR})
 
diff --git a/libnitrokey/version.h.in b/libnitrokey/version.h
index 20c3179..6547af0 100644
--- a/libnitrokey/version.h.in
+++ b/libnitrokey/version.h
@@ -23,17 +23,11 @@
 #define LIBNITROKEY_VERSION_H
 
 namespace nitrokey {
-unsigned int get_major_library_version() {
-    return @PROJECT_VERSION_MAJOR@;
-}
+    unsigned int get_major_library_version();
 
-unsigned int get_minor_library_version() {
-    return @PROJECT_VERSION_MINOR@;
-}
+    unsigned int get_minor_library_version();
 
-const char* get_library_version() {
-    return "@PROJECT_VERSION_GIT@";
-}
+    const char* get_library_version();
 }
 
 #endif
diff --git a/version.cc.in b/version.cc.in
new file mode 100644
index 0000000..0eae647
--- /dev/null
+++ b/version.cc.in
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2018 Nitrokey UG
+ *
+ * This file is part of libnitrokey.
+ *
+ * libnitrokey is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * libnitrokey is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libnitrokey. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: LGPL-3.0
+ */
+
+#include "version.h"
+
+namespace nitrokey {
+    unsigned int get_major_library_version() {
+        return @PROJECT_VERSION_MAJOR@;
+    }
+
+    unsigned int get_minor_library_version() {
+        return @PROJECT_VERSION_MINOR@;
+    }
+
+    const char* get_library_version() {
+        return "@PROJECT_VERSION_GIT@";
+    }
+}
+