Added compiler name and version to the greeting message and HDF5 output.

Former-commit-id: a6b730e23ea9189d8c1da1278426abe1453b3811

src/common_io.c

@@ -356,6 +356,8 @@ void writeCodeDescription(hid_t h_file) {
   if (h_grpcode < 0) error("Error while creating code group");
 
   writeAttribute_s(h_grpcode, "Code Version", package_version());
+  writeAttribute_s(h_grpcode, "Compiler Name", compiler_name());
+  writeAttribute_s(h_grpcode, "Compiler Version", compiler_version());
   writeAttribute_s(h_grpcode, "Git Branch", git_branch());
   writeAttribute_s(h_grpcode, "Git Revision", git_revision());
 

src/version.c

@@ -45,7 +45,6 @@ const char *git_branch(void) {
   return branch;
 }
 
-
 /**
  * @brief The version of SWIFT
  */
@@ -61,13 +60,50 @@ const char *package_description(void) {
   static char buf[256];
   static int initialised = 0;
   if (!initialised) {
-    sprintf(buf, "SWIFT version: %s, at revision: %s, branch: %s", 
+    sprintf(buf, "SWIFT version: %s, at revision: %s, branch: %s",
             PACKAGE_VERSION, GIT_REVISION, GIT_BRANCH);
     initialised = 1;
   }
   return buf;
 }
 
+const char *compiler_name(void) {
+#if defined(__INTEL_COMPILER)
+  static const char *compiler = "ICC";
+#elif defined(__clang__)
+  static const char *compiler = "LLVM/Clang";
+#elif defined(__xlc__)
+  static const char *compiler = "IBM XL";
+#elif defined(__GNUC__)
+  static const char *compiler = "GCC";
+#else
+  static const char *compiler = "Unknown Compiler";
+#endif
+  return compiler;
+}
+
+const char *compiler_version(void) {
+  static char version[256];
+#if defined(__INTEL_COMPILER)
+  const int major = __INTEL_COMPILER / 100;
+  const int minor = __INTEL_COMPILER - major * 100;
+  sprintf(version, "%i.%i.%i", major, minor, __INTEL_COMPILER_BUILD_DATE);
+#elif defined(__clang__)
+  sprintf(version, "%i.%i.%i", __clang_major__, __clang_minor__,
+          __clang_patchlevel__);
+#elif defined(__xlc__)
+  const int major = __IBMC__ / 100;
+  const int minor = (__IBMC__ - major * 100) / 10;
+  const int patch = (__IBMC__ - major * 100 - minor * 10);
+  sprintf(version, "%i.%i.%i", major, minor, patch);
+#elif defined(__GNUC__)
+  sprintf(version, "%i.%i.%i", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
+#else
+  sprintf(version, "---");
+#endif
+  return version;
+}
+
 /**
  * @brief Prints a greeting message to the standard output containing code
  * version and revision number
@@ -83,6 +119,7 @@ void greetings(void) {
   printf(" SPH With Inter-dependent Fine-grained Tasking\n\n");
 
   printf(" Version : %s\n", package_version());
-  printf(" Revision: %s, branch: %s\n", git_revision(), git_branch());
-  printf(" Webpage : www.swiftsim.com\n\n");
+  printf(" Revision: %s, Branch: %s\n", git_revision(), git_branch());
+  printf(" Webpage : www.swiftsim.com\n");
+  printf(" Compiler: %s, Version: %s\n\n", compiler_name(), compiler_version());
 }

src/version.h.in

@@ -22,7 +22,7 @@
 
 /**
  * @file version.h
- * @brief Package version and git revision sha.
+ * @brief Package version, git revision sha and compiler info.
  */
 
 #define PACKAGE_VERSION "@PACKAGE_VERSION@"
@@ -33,6 +33,8 @@ const char* package_description(void);
 const char* package_version(void);
 const char* git_revision(void);
 const char* git_branch(void);
+const char* compiler_name(void);
+const char* compiler_version(void);
 void greetings(void);
 
 #endif /* SWIFT_VERSION_H */