Harmonised TLS library version reporting.

[exim.git] / src / src / exim.c

diff --git a/src/src/exim.c b/src/src/exim.c
index f086a00e852028c56c46649449c7db6ab426343c..30974c9c6621e6bd0fffe015125dc57ac98c3dc3 100644 (file)
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -912,20 +912,31 @@ if (fixed_never_users[0] > 0)
 
 fprintf(f, "Size of off_t: " SIZE_T_FMT "\n", sizeof(off_t));
 
-/* This runtime check is to help diagnose library linkage mismatches which
-result in segfaults and the like; as such, it's left until the end,
-just in case.  There will still be a "Configuration file is" line still to
-come. */
-#ifdef SUPPORT_TLS
-tls_version_report(f);
-#endif
-
 /* Everything else is details which are only worth reporting when debugging.
 Perhaps the tls_version_report should move into this too. */
 DEBUG(D_any) do {
 
   int i;
 
+/* clang defines __GNUC__ (at least, for me) so test for it first */
+#if defined(__clang__)
+  fprintf(f, "Compiler: CLang [%s]\n", __clang_version__);
+#elif defined(__GNUC__)
+  fprintf(f, "Compiler: GCC [%s]\n",
+# ifdef __VERSION__
+      __VERSION__
+# else
+      "? unknown version ?"
+# endif
+      );
+#else
+  fprintf(f, "Compiler: <unknown>\n");
+#endif
+
+#ifdef SUPPORT_TLS
+  tls_version_report(f);
+#endif
+
 #ifdef AUTH_CYRUS_SASL
   auth_cyrus_sasl_version_report(f);
 #endif