Report compiler in -d -bV. Clang compat.

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

diff --git a/src/src/exim.c b/src/src/exim.c
index f086a00e852028c56c46649449c7db6ab426343c..3592f30ddce6ddc412dea92ef065c4e462eb353f 100644 (file)
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -926,6 +926,21 @@ 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 AUTH_CYRUS_SASL
   auth_cyrus_sasl_version_report(f);
 #endif