added --version support for FANS (#50)

* added --version support for FANS
---------

Co-authored-by: Ishaan Desai <[email protected]>

Author: sanathkeshav

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## latest
 
+- Add support for `--version` command line argument for checking the version of FANS
 - Modify way to provide micro structure in JSON input https://github.com/DataAnalyticsEngineering/FANS/pull/43
 - Add conda package for FANS https://github.com/DataAnalyticsEngineering/FANS/pull/39
 - Introduce system for checking compiler flags: `avx2` & `fma` https://github.com/DataAnalyticsEngineering/FANS/pull/34

CMakeLists.txt

@@ -182,6 +182,13 @@ set_property(TARGET FANS_FANS PROPERTY PUBLIC_HEADER
         include/material_models/J2Plasticity.h
 )
 
+# version.h is generated and added to the build include directory
+configure_file(
+    "${PROJECT_SOURCE_DIR}/include/version.h.in"
+    "${PROJECT_BINARY_DIR}/include/version.h" @ONLY
+)
+target_include_directories(FANS_main PRIVATE "${PROJECT_BINARY_DIR}/include")
+
 # ##############################################################################
 # SOURCES
 # ##############################################################################

include/version.h.in

@@ -0,0 +1,9 @@
+#ifndef VERSION_H
+#define VERSION_H
+
+#define PROJECT_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
+#define PROJECT_VERSION_MINOR @PROJECT_VERSION_MINOR@
+#define PROJECT_VERSION_PATCH @PROJECT_VERSION_PATCH@
+#define PROJECT_VERSION       "@PROJECT_VERSION@"
+
+#endif // VERSION_H

src/main.cpp

@@ -3,6 +3,9 @@
 #include "setup.h"
 #include "solver.h"
 
+// Version
+#include "version.h"
+
 template <int howmany>
 void runSolver(Reader &reader, const char *output_file_basename)
 {
@@ -32,6 +35,11 @@ void runSolver(Reader &reader, const char *output_file_basename)
 
 int main(int argc, char *argv[])
 {
+    if (argc > 1 && string(argv[1]) == "--version") {
+        cout << "FANS version " << PROJECT_VERSION << endl;
+        return 0;
+    }
+
     if (argc != 3) {
         fprintf(stderr, "USAGE: %s [input file basename] [output file basename]\n", argv[0]);
         return 10;