New versions of mingw have gettimeofday(), so add an autoconf test

mhagander · mhagander · commit 6f14effbf9ce · 2007-10-29T11:25:42.000Z
for this.
diff --git a/configure b/configure
@@ -16962,14 +16962,118 @@ esac
 
 # Win32 support
 if test "$PORTNAME" = "win32"; then
-case $LIBOBJS in
-    "gettimeofday.$ac_objext"   | \
-  *" gettimeofday.$ac_objext"   | \
-    "gettimeofday.$ac_objext "* | \
-  *" gettimeofday.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS gettimeofday.$ac_objext" ;;
+
+for ac_func in gettimeofday
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  case $LIBOBJS in
+    "$ac_func.$ac_objext"   | \
+  *" $ac_func.$ac_objext"   | \
+    "$ac_func.$ac_objext "* | \
+  *" $ac_func.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext" ;;
 esac
 
+fi
+done
+
+
 case $LIBOBJS in
     "kill.$ac_objext"   | \
   *" kill.$ac_objext"   | \
diff --git a/configure.in b/configure.in
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.531 2007/10/27 00:22:42 tgl Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.532 2007/10/29 11:25:42 mha Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -1110,7 +1110,7 @@ esac
 
 # Win32 support
 if test "$PORTNAME" = "win32"; then
-AC_LIBOBJ(gettimeofday)
+AC_REPLACE_FUNCS(gettimeofday)
 AC_LIBOBJ(kill)
 AC_LIBOBJ(open)
 AC_LIBOBJ(rand)
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
@@ -175,6 +175,9 @@
 /* Define to 1 if you have the `getrusage' function. */
 #undef HAVE_GETRUSAGE
 
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
 /* Define to 1 if you have the <gssapi/gssapi.h> header file. */
 #undef HAVE_GSSAPI_GSSAPI_H
 
diff --git a/src/include/port.h b/src/include/port.h
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/port.h,v 1.113 2007/09/28 22:25:49 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/port.h,v 1.114 2007/10/29 11:25:42 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -296,8 +296,11 @@ extern FILE *pgwin32_fopen(const char *, const char *);
 extern long lrand48(void);
 extern void srand48(long seed);
 
+/* New versions of MingW have gettimeofday, old mingw and msvc don't */
+#ifndef HAVE_GETTIMEOFDAY
 /* Last parameter not used */
 extern int	gettimeofday(struct timeval * tp, struct timezone * tzp);
+#endif
 #else							/* !WIN32 */
 
 /*
diff --git a/src/include/port/win32.h b/src/include/port/win32.h
@@ -1,4 +1,4 @@
-/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.77 2007/10/26 21:50:10 mha Exp $ */
+/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.78 2007/10/29 11:25:42 mha Exp $ */
 
 #if defined(_MSC_VER) || defined(__BORLANDC__)
 #define WIN32_ONLY_COMPILER
@@ -167,11 +167,17 @@
 #define SIGUSR2				31
 #endif
 
+/* 
+ * New versions of mingw have gettimeofday() and also declare 
+ * struct timezone to support it. 
+ */
+#ifndef HAVE_GETTIMEOFDAY
 struct timezone
 {
 	int			tz_minuteswest; /* Minutes west of GMT.  */
 	int			tz_dsttime;		/* Nonzero if DST is ever in effect.  */
 };
+#endif
 
 /* for setitimer in backend/port/win32/timer.c */
 #define ITIMER_REAL 0
