Auto generates version header

.gitignore

@@ -46,3 +46,4 @@ tests/solver/data/feng*
 
 # Generated files
 *_export.h
+version.h

CMakeLists.txt

@@ -45,8 +45,10 @@ set(LIBRARY_DIST "lib")
 set(CONFIG_DIST  "cmake")
 
 
+# Define build options
 option(BUILD_TESTS "Build component tests (requires Boost)" OFF)
 option(BUILD_DOCS "Build toolkit docs (requires Doxygen)" OFF)
+option(GEN_VER_HEADER "Automatically update version header" OFF)
 
 
 # Add project subdirectories

extern/version.cmake

@@ -0,0 +1,40 @@
+#
+# version.cmake - generate SWMM version information header
+#
+# Created: November 2, 2021
+# Updated:
+#
+# Author: Michael E. Tryby
+#         US EPA - ORD/CESER
+#
+# Usage:
+#  To overwrite version.h file with current info into set GEN_VER_HEADER=ON. 
+
+if(GEN_VER_HEADER)
+
+    # Get the latest commit hash for the working branch
+    execute_process(
+        COMMAND 
+            git rev-parse HEAD
+        WORKING_DIRECTORY 
+            ${CMAKE_CURRENT_LIST_DIR}
+        OUTPUT_VARIABLE 
+            GIT_HASH
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    # Generate a build id
+    string(
+        TIMESTAMP BUILD_ID UTC
+    )
+
+    # Configure the version header
+    configure_file(
+        ../../extern/version.h.in version.h
+    )
+
+    file(COPY ${CMAKE_CURRENT_BINARY_DIR}/version.h
+        DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/
+    )
+
+endif()

extern/version.h.in

@@ -0,0 +1,27 @@
+/*
+ *  version.h - SWMM version information
+ *
+ *  Created on: Nov 2, 2021
+ *  
+ *  Author:     Michael E. Tryby
+ *              US EPA - ORD/CESER
+ */
+
+
+#ifndef VERSION_H_
+#define VERSION_H_
+
+
+
+#define VERSION         "@swmm-solver_VERSION@"
+#define VERSION_MAJOR   @swmm-solver_VERSION_MAJOR@
+#define VERSION_MINOR   @swmm-solver_VERSION_MINOR@
+#define VERSION_PATCH   @swmm-solver_VERSION_PATCH@
+
+#define GIT_HASH        "@GIT_HASH@"
+
+#define BUILD_ID        "@BUILD_ID@"
+
+
+
+#endif /* VERSION_H_ */

src/solver/CMakeLists.txt

@@ -14,6 +14,9 @@ find_package(OpenMP
         C
 )
 
+# Generate version header
+include(../../extern/version.cmake)
+
 
 # configure file groups
 set(SWMM_PUBLIC_HEADERS
@@ -28,6 +31,7 @@ file(GLOB
         RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.c *.h
 )
 
+
 if(BUILD_DEF)
     # Builds library with def file interface for backward compatibility
     set_source_files_properties(${PROJECT_SOURCE_DIR}/bindings/swmm5.def