diff --git a/.fossil-settings/empty-dirs b/.fossil-settings/empty-dirs
new file mode 100644
index 0000000000..64fb6839df
--- /dev/null
+++ b/.fossil-settings/empty-dirs
@@ -0,0 +1 @@
+compat
diff --git a/.fossil-settings/ignore-glob b/.fossil-settings/ignore-glob
new file mode 100644
index 0000000000..5282ca9c3d
--- /dev/null
+++ b/.fossil-settings/ignore-glob
@@ -0,0 +1 @@
+compat/*
diff --git a/Makefile.msc b/Makefile.msc
index b16f08adee..e924db395a 100644
--- a/Makefile.msc
+++ b/Makefile.msc
@@ -92,6 +92,20 @@ SPLIT_AMALGAMATION = 0
 !ENDIF
 
 # <<mark>>
+# Set this non-0 to use zlib, possibly compiling it from source code.
+#
+!IFNDEF USE_ZLIB
+USE_ZLIB = 0
+!ENDIF
+
+# Set this non-0 to build zlib from source code.  This is enabled by
+# default and in that case it will be assumed that the ZLIBDIR macro
+# points to the top-level source code directory for zlib.
+#
+!IFNDEF BUILD_ZLIB
+BUILD_ZLIB = 1
+!ENDIF
+
 # Set this non-0 to use the International Components for Unicode (ICU).
 #
 !IFNDEF USE_ICU
@@ -612,6 +626,14 @@ SHELL_CORE_DEP =
 !ENDIF
 !ENDIF
 
+# <<mark>>
+# If zlib support is enabled, add the shell dependency for it.
+#
+!IF $(USE_ZLIB)!=0 && $(BUILD_ZLIB)!=0
+SHELL_CORE_DEP = zlib $(SHELL_CORE_DEP)
+!ENDIF
+# <</mark>>
+
 # This is the core library that the shell executable should link with.
 #
 !IFNDEF SHELL_CORE_LIB
@@ -802,12 +824,16 @@ RCC = $(RCC) -DSQLITE_WIN32_MALLOC_VALIDATE=1
 # prior to running nmake in order to match the actual installed location and
 # version on this machine.
 #
+!IFNDEF TCLDIR
+TCLDIR = c:\tcl
+!ENDIF
+
 !IFNDEF TCLINCDIR
-TCLINCDIR = c:\tcl\include
+TCLINCDIR = $(TCLDIR)\include
 !ENDIF
 
 !IFNDEF TCLLIBDIR
-TCLLIBDIR = c:\tcl\lib
+TCLLIBDIR = $(TCLDIR)\lib
 !ENDIF
 
 !IFNDEF LIBTCL
@@ -819,7 +845,32 @@ LIBTCLSTUB = tclstub86.lib
 !ENDIF
 
 !IFNDEF LIBTCLPATH
-LIBTCLPATH = c:\tcl\bin
+LIBTCLPATH = $(TCLDIR)\bin
+!ENDIF
+
+# The locations of the zlib header and library files.  These variables
+# (ZLIBINCDIR, ZLIBLIBDIR, and ZLIBLIB) may be overridden via the environment
+# prior to running nmake in order to match the actual installed (or source
+# code) location on this machine.
+#
+!IFNDEF ZLIBDIR
+ZLIBDIR = $(TOP)\compat\zlib
+!ENDIF
+
+!IFNDEF ZLIBINCDIR
+ZLIBINCDIR = $(ZLIBDIR)
+!ENDIF
+
+!IFNDEF ZLIBLIBDIR
+ZLIBLIBDIR = $(ZLIBDIR)
+!ENDIF
+
+!IFNDEF ZLIBLIB
+!IF $(DYNAMIC_SHELL)!=0
+ZLIBLIB = zdll.lib
+!ELSE
+ZLIBLIB = zlib.lib
+!ENDIF
 !ENDIF
 
 # The locations of the ICU header and library files.  These variables
@@ -827,12 +878,16 @@ LIBTCLPATH = c:\tcl\bin
 # prior to running nmake in order to match the actual installed location on
 # this machine.
 #
+!IFNDEF ICUDIR
+ICUDIR = C:\icu
+!ENDIF
+
 !IFNDEF ICUINCDIR
-ICUINCDIR = c:\icu\include
+ICUINCDIR = $(ICUDIR)\include
 !ENDIF
 
 !IFNDEF ICULIBDIR
-ICULIBDIR = c:\icu\lib
+ICULIBDIR = $(ICUDIR)\lib
 !ENDIF
 
 !IFNDEF LIBICU
@@ -951,6 +1006,15 @@ BCC = $(BCC) -Zi
 !ENDIF
 
 # <<mark>>
+# If zlib support is enabled, add the compiler options for it.
+#
+!IF $(USE_ZLIB)!=0
+TCC = $(TCC) -DSQLITE_HAVE_ZLIB=1
+RCC = $(RCC) -DSQLITE_HAVE_ZLIB=1
+TCC = $(TCC) -I$(ZLIBINCDIR)
+RCC = $(RCC) -I$(ZLIBINCDIR)
+!ENDIF
+
 # If ICU support is enabled, add the compiler options for it.
 #
 !IF $(USE_ICU)!=0
@@ -1075,6 +1139,13 @@ LTLIBPATHS = /LIBPATH:$(TCLLIBDIR)
 LTLIBS = $(LTLIBS) $(LIBTCL)
 !ENDIF
 
+# If zlib support is enabled, add the linker options for it.
+#
+!IF $(USE_ZLIB)!=0
+LTLIBPATHS = $(LTLIBPATHS) /LIBPATH:$(ZLIBLIBDIR)
+LTLIBS = $(LTLIBS) $(ZLIBLIB)
+!ENDIF
+
 # If ICU support is enabled, add the linker options for it.
 #
 !IF $(USE_ICU)!=0
@@ -1987,6 +2058,8 @@ SHELL_SRC = \
 shell.c:	$(SHELL_SRC) $(TOP)\tool\mkshellc.tcl
 	$(TCLSH_CMD) $(TOP)\tool\mkshellc.tcl > shell.c
 
+zlib:
+	pushd $(ZLIBDIR) && $(MAKE) /f win32\Makefile.msc $(ZLIBLIB) && popd
 
 # Rules to build the extension objects.
 #
diff --git a/autoconf/Makefile.msc b/autoconf/Makefile.msc
index 199af21ea9..5b5133c8b9 100644
--- a/autoconf/Makefile.msc
+++ b/autoconf/Makefile.msc
@@ -561,6 +561,7 @@ SHELL_CORE_DEP =
 !ENDIF
 !ENDIF
 
+
 # This is the core library that the shell executable should link with.
 #
 !IFNDEF SHELL_CORE_LIB
diff --git a/manifest b/manifest
index d6e9390bd0..f406bec75d 100644
--- a/manifest
+++ b/manifest
@@ -1,8 +1,10 @@
-C If\sSQLITE_HAVE_ZLIB\sis\sdefined\sat\sbuild-time,\sinclude\sthe\sfunctions\sin\next/misc/compress.c\sin\sthe\sshell.
-D 2017-12-05T18:32:40.201
+C Add\ssupport\sfor\sincluding\szlib\sin\sthe\sshell\swhen\scompiling\swith\sMSVC.
+D 2017-12-05T18:54:12.861
+F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
+F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 6a879cbf01e37f9eac131414955f71774b566502d9a57ded1b8585b507503cb8
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
-F Makefile.msc e5d7606238f55816da99f719969598df5b091aa2e9a6935c9412fcae8f53fc44
+F Makefile.msc 2cc781176ca1a58bfb7c2741a192726e2f08db0b473daba3d6c3388d44698470
 F README.md f5c87359573c4d255425e588a56554b50fdcc2afba4e017a2e02a43701456afd
 F VERSION 0c10cdfed866fdd2d80434f64f042c3330f1daaed12e54287beb104f04b3faaf
 F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
@@ -11,7 +13,7 @@ F art/sqlite370.ico af56c1d00fee7cd4753e8631ed60703ed0fc6e90
 F art/sqlite370.jpg d512473dae7e378a67e28ff96a34da7cb331def2
 F autoconf/INSTALL 83e4a25da9fd053c7b3665eaaaf7919707915903
 F autoconf/Makefile.am 66c0befa511f0d95ba229e180067cf0357a9ebf8b3201b06d683c5ba6220fb39
-F autoconf/Makefile.msc b88a70dee8453cc353e5d6df172d60a11a0af905710a24b1e6be80f8fea6e96b
+F autoconf/Makefile.msc 2b4b5e5ff7e7a9806ebdd4b441f8fb54695a3628701a97ae53860e67e872acc3
 F autoconf/README.first 6c4f34fe115ff55d4e8dbfa3cecf04a0188292f7
 F autoconf/README.txt 4f04b0819303aabaa35fff5f7b257fb0c1ef95f1
 F autoconf/configure.ac 8dd08ca564279fff091c9bfdd2599d8f992c9f1f70c5396de2126ad2bd1b3bed
@@ -1679,10 +1681,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 0342ce510d2063a63839399a2cfa25b7fc02f4fde17764082676b332d6136241
-R eddb6c6e05812e7a9afe7b2909e80007
-T *branch * sqlar-shell-support
-T *sym-sqlar-shell-support *
-T -sym-trunk *
-U dan
-Z e3b1a40cd391e9a775fce7f501c26e90
+P 0296286a9963bbaab60ee30d8700703f5ccb382380c9bfc0eb12c4bcb6f2accd
+R 8fbbfa59bd11832619e2c9584cf54899
+U mistachkin
+Z 4e0794167698ff60a9b30c96ee6b24e0
diff --git a/manifest.uuid b/manifest.uuid
index 6f484dbf3c..c2f98dfc4d 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-0296286a9963bbaab60ee30d8700703f5ccb382380c9bfc0eb12c4bcb6f2accd
\ No newline at end of file
+e1838cee3847301ef491467dc75d9c4e1e3b12599596c058bdb14319a52fd8a0
\ No newline at end of file