Fix detection of 32b platform at build time. Bug 2405

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

diff --git a/src/src/buildconfig.c b/src/src/buildconfig.c
index 591bf831dfd3ab28a39ba8de6c9d724682c24f64..ce01cfb42af2c45506a6fdc38abfdaa1fbd6d93d 100644 (file)
--- a/src/src/buildconfig.c
+++ b/src/src/buildconfig.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -36,6 +36,8 @@ normally called independently. */
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
+#include <sys/time.h>
+#include <poll.h>
 #include <pwd.h>
 #include <grp.h>
 
@@ -109,6 +111,7 @@ unsigned long test_ulong_t = 0L;
 unsigned int test_uint_t = 0;
 #endif
 long test_long_t = 0;
+long long test_longlong_t = 0;
 int test_int_t = 0;
 FILE *base;
 FILE *new;
@@ -153,15 +156,16 @@ This assumption is known to be OK for the common operating systems. */
 
 fprintf(new, "#ifndef OFF_T_FMT\n");
 if (sizeof(test_off_t) > sizeof(test_long_t))
-  {
   fprintf(new, "# define OFF_T_FMT  \"%%lld\"\n");
-  fprintf(new, "# define LONGLONG_T long long int\n");
-  }
 else
-  {
   fprintf(new, "# define OFF_T_FMT  \"%%ld\"\n");
+fprintf(new, "#endif\n\n");
+
+fprintf(new, "#ifndef LONGLONG_T\n");
+if (sizeof(test_longlong_t) > sizeof(test_long_t))
+  fprintf(new, "# define LONGLONG_T long long int\n");
+else
   fprintf(new, "# define LONGLONG_T long int\n");
-  }
 fprintf(new, "#endif\n\n");
 
 /* Now do the same thing for time_t variables. If the length is greater than
@@ -733,6 +737,7 @@ else if (isgroup)
       fprintf(new, "#define FIXED_NEVER_USERS     %d", j);
       for (i = 0; i < j; i++) fprintf(new, ", %d", (unsigned int)vector[i]);
       fprintf(new, "\n");
+      free(vector);
       }
     continue;
     }
@@ -955,6 +960,25 @@ if (have_auth)
     "#define SUPPORT_CRYPTEQ\n");
   }
 
+/* Check poll() for timer functionality.
+Some OS' have released with it broken. */
+
+  {
+  struct timeval before, after;
+  int rc;
+  size_t us;
+
+  gettimeofday(&before, NULL);
+  rc = poll(NULL, 0, 500);
+  gettimeofday(&after, NULL);
+
+  us = (after.tv_sec - before.tv_sec) * 1000000 +
+    (after.tv_usec - before.tv_usec);
+
+  if (us < 400000)
+    fprintf(new, "#define NO_POLL_H\n");
+  }
+
 /* End off */
 
 fprintf(new, "\n/* End of config.h */\n");