Import SQLite 3.8.7.4.

third_party/sqlite/src/configure.ac

Index: third_party/sqlite/src/configure.ac
diff --git a/third_party/sqlite/src/configure.ac b/third_party/sqlite/src/configure.ac
index 464ed1ef11c6566d881d8ce7e55d88b9137ca8fa..2e70f2c235600ded1cd487ef1341e6fd674babc7 100644
--- a/third_party/sqlite/src/configure.ac
+++ b/third_party/sqlite/src/configure.ac
@@ -122,12 +122,12 @@ AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, intptr_t, uint8_t,
 
 #########
 # Check for needed/wanted headers
-AC_CHECK_HEADERS([sys/types.h stdlib.h stdint.h inttypes.h])
+AC_CHECK_HEADERS([sys/types.h stdlib.h stdint.h inttypes.h malloc.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 malloc_usable_size])
 
 #########
 # By default, we use the amalgamation (this may be changed below...)
@@ -139,7 +139,7 @@ USE_AMALGAMATION=1
 # if not, then we fall back to plain tclsh.
 # TODO: try other versions before falling back?
 # 
-AC_CHECK_PROGS(TCLSH_CMD, [tclsh8.5 tclsh], none)
+AC_CHECK_PROGS(TCLSH_CMD, [tclsh8.6 tclsh8.5 tclsh], none)
 if test "$TCLSH_CMD" = "none"; then
   # If we can't find a local tclsh, then building the amalgamation will fail.
   # We act as though --disable-amalgamation has been used.
@@ -340,28 +340,18 @@ else
   TARGET_EXEEXT=$config_TARGET_EXEEXT
 fi
 if test "$TARGET_EXEEXT" = ".exe"; then
-  if test $OS2_SHELL ; then
-    SQLITE_OS_UNIX=0
-    SQLITE_OS_WIN=0
-    SQLITE_OS_OS2=1
-    CFLAGS="$CFLAGS -DSQLITE_OS_OS2=1"
-  else
-    SQLITE_OS_UNIX=0
-    SQLITE_OS_WIN=1
-    SQLITE_OS_OS2=0
-    CFLAGS="$CFLAGS -DSQLITE_OS_WIN=1"
-  fi
+  SQLITE_OS_UNIX=0
+  SQLITE_OS_WIN=1
+  CFLAGS="$CFLAGS -DSQLITE_OS_WIN=1"
 else
   SQLITE_OS_UNIX=1
   SQLITE_OS_WIN=0
-  SQLITE_OS_OS2=0
   CFLAGS="$CFLAGS -DSQLITE_OS_UNIX=1"
 fi
 
 AC_SUBST(BUILD_EXEEXT)
 AC_SUBST(SQLITE_OS_UNIX)
 AC_SUBST(SQLITE_OS_WIN)
-AC_SUBST(SQLITE_OS_OS2)
 AC_SUBST(TARGET_EXEEXT)
 
 ##########
@@ -388,14 +378,16 @@ if test "${use_tcl}" = "yes" ; then
     fi
 
     # Start autosearch by asking tclsh
-    if test x"$cross_compiling" = xno; then
-      for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}`
-      do
-        if test -f "$i/tclConfig.sh" ; then
-          ac_cv_c_tclconfig="$i"
-          break
-        fi
-      done
+    if test x"${ac_cv_c_tclconfig}" = x ; then
+      if test x"$cross_compiling" = xno; then
+        for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}`
+        do
+          if test -f "$i/tclConfig.sh" ; then
+            ac_cv_c_tclconfig="$i"
+            break
+          fi
+        done
+      fi
     fi
 
     # then check for a private Tcl installation
@@ -499,7 +491,6 @@ if test "${use_tcl}" = "yes" ; then
     AC_SUBST(TCL_VERSION)
     AC_SUBST(TCL_BIN_DIR)
     AC_SUBST(TCL_SRC_DIR)
-    AC_SUBST(TCL_LIBS)
     AC_SUBST(TCL_INCLUDE_SPEC)
     
     AC_SUBST(TCL_LIB_FILE)
@@ -619,6 +610,7 @@ 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