add version.h generated from the numbers in CMakeLists.txt

CHANGES.md

@@ -2,6 +2,8 @@
 
 ## v3.x.x
 
+* a version.h is created by CMake and installed to access version minor and major from C++.
+
 * MR Geometry
   - fixed GadgetronImagesVector::reorient() to only consider slice index 
   and ignore dimensions such as contrast, repetition etc.

CMakeLists.txt

@@ -188,12 +188,16 @@ endif(DISABLE_Matlab)
 
 ENABLE_TESTING()
 
+configure_file("cmake/version.h.in" "${CMAKE_CURRENT_BINARY_DIR}/cmake/version.h")
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/cmake/version.h" DESTINATION "${CMAKE_INSTALL_PREFIX}/include/sirf/common/")
+
 ADD_SUBDIRECTORY(src)
 
 include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/setup.py.cmake")
 configure_file("cmake/config.py.in" "${CMAKE_CURRENT_BINARY_DIR}/cmake/config.py")
 INSTALL(FILES "${CMAKE_CURRENT_BINARY_DIR}/cmake/config.py" DESTINATION "${PYTHON_DEST}/sirf")
 
+
 set(SHARE_DIR ${CMAKE_INSTALL_PREFIX}/share/SIRF-${VERSION_MAJOR}.${VERSION_MINOR})
 install(DIRECTORY ${CMAKE_SOURCE_DIR}/examples 
         COMPONENT DOC

cmake/version.h.in

@@ -0,0 +1,9 @@
+#ifndef SIRF_VERSION_H
+#define SIRF_VERSION_H
+
+#define SIRF_VERSION_MAJOR @VERSION_MAJOR@
+#define SIRF_VERSION_MINOR @VERSION_MINOR@
+#define SIRF_VERSION_PATCH @VERSION_PATCH@
+
+
+#endif /* SIRF_VERSION_H */

src/common/CMakeLists.txt

@@ -105,3 +105,7 @@ if (BUILD_MATLAB)
   configure_file("${CMAKE_CURRENT_SOURCE_DIR}/+sirf/+Utilities/examples_data_path.m.in" ${MATLAB_DEST}/+sirf/+Utilities/examples_data_path.m)
 
 endif (BUILD_MATLAB)
+
+if(CMAKE_TESTING_ENABLED)
+  add_subdirectory(tests)
+endif()

src/common/tests/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_executable(test_version test_version.cpp)
+target_include_directories(test_version PUBLIC ${CMAKE_BINARY_DIR}/cmake)
+
+add_test(NAME SIRF_TEST_COMMON_CPLUSPLUS
+         COMMAND test_version )

src/common/tests/test_version.cpp

@@ -0,0 +1,11 @@
+#include "version.h"
+#include <iostream>
+
+
+int main(int argc, char ** argv){
+
+    std::cout << SIRF_VERSION_MAJOR << "." << SIRF_VERSION_MINOR << std::endl;
+
+    return 0;
+
+}