Rework the autoconf script to better deal with utime() and dlopen().

FossilOrigin-Name: f69ed286ffb3f62f5cb5c1f7df55fa4d2468b472

config.h.in

@@ -75,6 +75,9 @@
 /* Define to 1 if you have the `usleep' function. */
 #undef HAVE_USLEEP
 
+/* Define to 1 if you have the utime() library function. */
+#undef HAVE_UTIME
+
 /* Define to the sub-directory in which libtool stores uninstalled libraries.
    */
 #undef LT_OBJDIR

configure

@@ -12145,7 +12145,8 @@ done
 
 
 
-for ac_func in usleep fdatasync localtime_r gmtime_r localtime_s
+
+for ac_func in usleep fdatasync localtime_r gmtime_r localtime_s utime
 do
 as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
@@ -13440,6 +13441,93 @@ fi
 
 if test "${use_loadextension}" = "yes" ; then
   OPT_FEATURE_FLAGS=""
+  { $as_echo "$as_me:$LINENO: checking for library containing dlopen" >&5
+$as_echo_n "checking for library containing dlopen... " >&6; }
+if test "${ac_cv_search_dlopen+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' dl; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_search_dlopen=$ac_res
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext
+  if test "${ac_cv_search_dlopen+set}" = set; then
+  break
+fi
+done
+if test "${ac_cv_search_dlopen+set}" = set; then
+  :
+else
+  ac_cv_search_dlopen=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_dlopen" >&5
+$as_echo "$ac_cv_search_dlopen" >&6; }
+ac_res=$ac_cv_search_dlopen
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
 else
   OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
 fi

configure.ac

@@ -127,7 +127,7 @@ AC_CHECK_HEADERS([sys/types.h stdlib.h stdint.h inttypes.h])
 #########
 # Figure out whether or not we have these functions
 #
-AC_CHECK_FUNCS([usleep fdatasync localtime_r gmtime_r localtime_s])
+AC_CHECK_FUNCS([usleep fdatasync localtime_r gmtime_r localtime_s utime])
 
 #########
 # By default, we use the amalgamation (this may be changed below...)
@@ -619,6 +619,7 @@ AC_ARG_ENABLE(load-extension, AC_HELP_STRING([--enable-load-extension],
       [use_loadextension=$enableval],[use_loadextension=no])
 if test "${use_loadextension}" = "yes" ; then
   OPT_FEATURE_FLAGS=""
+  AC_SEARCH_LIBS(dlopen, dl)
 else
   OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
 fi

manifest

@@ -1,5 +1,5 @@
-C Update\sa\scouple\stest\sscripts\sto\saccount\sfor\smore\sfloating\spoint\svariation\sunder\svarious\sWindows-based\sversions\sof\sTCL.\nUpdate\sa\scouple\stest\sscripts\sto\saccount\sfor\smore\sfloating\spoint\sdisplay\svariation\sin\sWindows-based\sversions\sof\sTCL.
+C Rework\sthe\sautoconf\sscript\sto\sbetter\sdeal\swith\sutime()\sand\sdlopen().
-D 2011-06-20T17:41:41.693
+D 2011-06-20T18:00:17.162
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in c1d7a7f4fd8da6b1815032efca950e3d5125407e
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -21,10 +21,10 @@ F art/sqlite370.ico af56c1d00fee7cd4753e8631ed60703ed0fc6e90
 F art/sqlite370.jpg d512473dae7e378a67e28ff96a34da7cb331def2
 F art/src_logo.gif 9341ef09f0e53cd44c0c9b6fc3c16f7f3d6c2ad9
 F config.guess 226d9a188c6196f3033ffc651cbc9dcee1a42977
-F config.h.in 868fdb48c028421a203470e15c69ada15b9ba673
+F config.h.in 405a958bdb3af382a809dccb08a44694923ddd61
 F config.sub 9ebe4c3b3dab6431ece34f16828b594fb420da55
-F configure 1c31f231ba59b71ff81dbf5c7c7594fdc83803d5 x
+F configure f9e97ee7cdc9848e2f3f5ef015fdf861f46fb1bf x
-F configure.ac 87a3c71bbe9c925381c154413eea7f3cdc397244
+F configure.ac 298a759c086e72c013da459c2aec02a104f4224f
 F contrib/sqlitecon.tcl 210a913ad63f9f991070821e599d600bd913e0ad
 F doc/lemon.html f0f682f50210928c07e562621c3b7e8ab912a538
 F doc/pager-invariants.txt 870107036470d7c419e93768676fae2f8749cf9e
@@ -165,7 +165,7 @@ F src/os.c 22ac61d06e72a0dac900400147333b07b13d8e1d
 F src/os.h 9dbed8c2b9c1f2f2ebabc09e49829d4777c26bf9
 F src/os_common.h a8f95b81eca8a1ab8593d23e94f8a35f35d4078f
 F src/os_os2.c 4a75888ba3dfc820ad5e8177025972d74d7f2440
-F src/os_unix.c fd4e9588ff0ce09720721ce739ab2682202875ae
+F src/os_unix.c 07acbb3e074e52b48a4248c06f66c9a91db1a0ce
 F src/os_win.c 218b899469e570d46eb8147c2383075f7c026230
 F src/pager.c 120550e7ef01dafaa2cbb4a0528c0d87c8f12b41
 F src/pager.h 3f8c783de1d4706b40b1ac15b64f5f896bcc78d1
@@ -946,7 +946,7 @@ F tool/split-sqlite3c.tcl d9be87f1c340285a3e081eb19b4a247981ed290c
 F tool/symbols.sh bc2a3709940d47c8ac8e0a1fdf17ec801f015a00
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
 F tool/warnings.sh 347d974d143cf132f953b565fbc03026f19fcb4d
-P fe62179efdea40887e23a16f898060b879013824
+P a4a8402bfec381dd23b7a96c2f4b52c0dd728a7a
-R f84c264b9f26192970f8ac141b9cac46
+R 16536365517218923dc08762ed8b0c16
-U shaneh
+U drh
-Z 139c54968e5481310a6c6f5918c1c65b
+Z f0e3294585f4569580d0a1d0b238c6dc

manifest.uuid

@@ -1 +1 @@
-a4a8402bfec381dd23b7a96c2f4b52c0dd728a7a
+f69ed286ffb3f62f5cb5c1f7df55fa4d2468b472

src/os_unix.c

@@ -138,6 +138,10 @@
 # include <sys/mount.h>
 #endif
 
+#ifdef HAVE_UTIME
+# include <utime.h>
+#endif
+
 /*
 ** Allowed values of unixFile.fsFlags
 */
@@ -1939,8 +1943,10 @@ static int dotlockLock(sqlite3_file *id, int eFileLock) {
   */
   if( pFile->eFileLock > NO_LOCK ){
     pFile->eFileLock = eFileLock;
-#if !OS_VXWORKS
     /* Always update the timestamp on the old file */
+#ifdef HAVE_UTIME
+    utime(zLockFile, NULL);
+#else
     utimes(zLockFile, NULL);
 #endif
     return SQLITE_OK;