In the Windows Makefile.msc, never set -DNDEBUG. And add the "env" target

which prints out the value of all 127 configuration variables that 
Makefile.msc uses.

FossilOrigin-Name: f82376f080ca5cb316b8eb2e48a128b1838eb376b9e903c7af611b398cfe9b1f

Makefile.msc

@@ -875,16 +875,6 @@ MKSQLITE3H_ARGS =
 !ENDIF
 # <</mark>>
 
-# Define -DNDEBUG to compile without debugging (i.e., for production usage)
-# Omitting the define will cause extra debugging code to be inserted and
-# includes extra comments when "EXPLAIN stmt" is used.
-#
-!IF $(DEBUG)==0
-TCC = $(TCC) -DNDEBUG
-BCC = $(BCC) -DNDEBUG
-RCC = $(RCC) -DNDEBUG
-!ENDIF
-
 !IF $(DEBUG)>0 || $(API_ARMOR)!=0 || $(FOR_WIN10)!=0
 TCC = $(TCC) -DSQLITE_ENABLE_API_ARMOR=1
 RCC = $(RCC) -DSQLITE_ENABLE_API_ARMOR=1
@@ -2821,6 +2811,135 @@ tcl-env:
 	@echo JIM_TCLSH = $(JIM_TCLSH)
 	@echo VISUALSTUDIOVERSION = $(VISUALSTUDIOVERSION)
 
+env:
+	@echo ALL_TCL_TARGETS = $(ALL_TCL_TARGETS)
+	@echo API_ARMOR = $(API_ARMOR)
+	@echo ASAN = $(ASAN)
+	@echo BCC = $(BCC)
+	@echo BUILD_ZLIB = $(BUILD_ZLIB)
+	@echo CC = $(CC)
+	@echo CCOPTS = $(CCOPTS)
+	@echo CHECKER_DEPS = $(CHECKER_DEPS)
+	@echo CORE_CCONV_OPTS = $(CORE_CCONV_OPTS)
+	@echo CORE_COMPILE_OPTS = $(CORE_COMPILE_OPTS)
+	@echo CORE_LINK_DEP = $(CORE_LINK_DEP)
+	@echo CORE_LINK_OPTS = $(CORE_LINK_OPTS)
+	@echo CRTLIBPATH = $(CRTLIBPATH)
+	@echo CSC = $(CSC)
+	@echo DBFUZZ_COMPILE_OPTS = $(DBFUZZ_COMPILE_OPTS)
+	@echo DEBUG = $(DEBUG)
+	@echo DYNAMIC_SHELL = $(DYNAMIC_SHELL)
+	@echo EXT_FEATURE_FLAGS = $(EXT_FEATURE_FLAGS)
+	@echo EXTHDR = $(EXTHDR)
+	@echo EXTRA_SRC = $(EXTRA_SRC)
+	@echo FOR_UWP = $(FOR_UWP)
+	@echo FOR_WINRT = $(FOR_WINRT)
+	@echo FUZZCHECK_OPTS = $(FUZZCHECK_OPTS)
+	@echo FUZZCHECK_SRC = $(FUZZCHECK_SRC)
+	@echo FUZZDATA = $(FUZZDATA)
+	@echo FUZZERSHELL_COMPILE_OPTS = $(FUZZERSHELL_COMPILE_OPTS)
+	@echo HDR = $(HDR)
+	@echo ICUDIR = $(ICUDIR)
+	@echo ICUINCDIR = $(ICUINCDIR)
+	@echo ICULIBDIR = $(ICULIBDIR)
+	@echo JIM_TCLSH = $(JIM_TCLSH)
+	@echo KV_COMPILE_OPTS = $(KV_COMPILE_OPTS)
+	@echo LDFLAGS = $(LDFLAGS)
+	@echo LD = $(LD)
+	@echo LIBICU = $(LIBICU)
+	@echo LIBOBJ = $(LIBOBJ)
+	@echo LIBREADLINE = $(LIBREADLINE)
+	@echo LIBRESOBJS = $(LIBRESOBJS)
+	@echo LIBTCLPATH = $(LIBTCLPATH)
+	@echo LIBTCLSTUB = $(LIBTCLSTUB)
+	@echo LIBTCL = $(LIBTCL)
+	@echo LTCOMPILE = $(LTCOMPILE)
+	@echo LTLIB = $(LTLIB)
+	@echo LTLIBOPTS = $(LTLIBOPTS)
+	@echo LTLIBPATHS = $(LTLIBPATHS)
+	@echo LTLIBS = $(LTLIBS)
+	@echo LTLINK = $(LTLINK)
+	@echo LTLINKOPTS = $(LTLINKOPTS)
+	@echo LTRCOMPILE = $(LTRCOMPILE)
+	@echo MEMDEBUG = $(MEMDEBUG)
+	@echo MINIMAL_AMALGAMATION = $(MINIMAL_AMALGAMATION)
+	@echo MPTESTER_COMPILE_OPTS = $(MPTESTER_COMPILE_OPTS)
+	@echo NCC = $(NCC)
+	@echo NCRTLIBPATH = $(NCRTLIBPATH)
+	@echo NLTLIBPATHS = $(NLTLIBPATHS)
+	@echo NO_LINEMACROS = $(NO_LINEMACROS)
+	@echo NO_TCL = $(NO_TCL)
+	@echo NO_WARN = $(NO_WARN)
+	@echo NSDKLIBPATH = $(NSDKLIBPATH)
+	@echo NUCRTLIBPATH = $(NUCRTLIBPATH)
+	@echo OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS)
+	@echo OPTIMIZATIONS = $(OPTIMIZATIONS)
+	@echo OSSSHELL_SRC = $(OSSSHELL_SRC)
+	@echo OSTRACE = $(OSTRACE)
+	@echo RBU = $(RBU)
+	@echo RCC = $(RCC)
+	@echo RC = $(RC)
+	@echo READLINE_FLAGS = $(READLINE_FLAGS)
+	@echo REQ_FEATURE_FLAGS = $(REQ_FEATURE_FLAGS)
+	@echo RSYNC_OPT = $(RSYNC_OPT)
+	@echo RSYNC_SRC = $(RSYNC_SRC)
+	@echo SESSION = $(SESSION)
+	@echo SETLK_TIMEOUT = $(SETLK_TIMEOUT)
+	@echo SHELL_CCONV_OPTS = $(SHELL_CCONV_OPTS)
+	@echo SHELL_COMPILE_OPTS = $(SHELL_COMPILE_OPTS)
+	@echo SHELL_CORE_DEP = $(SHELL_CORE_DEP)
+	@echo SHELL_CORE_LIB = $(SHELL_CORE_LIB)
+	@echo SHELL_CORE_SRC = $(SHELL_CORE_SRC)
+	@echo SHELL_DEP = $(SHELL_DEP)
+	@echo SHELL_LINK_OPTS = $(SHELL_LINK_OPTS)
+	@echo SPLIT_AMALGAMATION = $(SPLIT_AMALGAMATION)
+	@echo SQLITETCLDECLSH = $(SQLITETCLDECLSH)
+	@echo SQLITE_TCL_DEP = $(SQLITE_TCL_DEP)
+	@echo SQLITETCLH = $(SQLITETCLH)
+	@echo SRC = $(SRC)
+	@echo STATICALLY_LINK_TCL = $(STATICALLY_LINK_TCL)
+	@echo ST_COMPILE_OPTS = $(ST_COMPILE_OPTS)
+	@echo STORELIBPATH = $(STORELIBPATH)
+	@echo SYMBOLS = $(SYMBOLS)
+	@echo TCC = $(TCC)
+	@echo TCLDIR = $(TCLDIR)
+	@echo TCLINCDIR = $(TCLINCDIR)
+	@echo TCLLIBDIR = $(TCLLIBDIR)
+	@echo TCLLIBPATHS = $(TCLLIBPATHS)
+	@echo TCLLIBS = $(TCLLIBS)
+	@echo TCLSH_CMD = $(TCLSH_CMD)
+	@echo TCLSQLITEEX = $(TCLSQLITEEX)
+	@echo TCLSUFFIX = $(TCLSUFFIX)
+	@echo TCLVERSION = $(TCLVERSION)
+	@echo TEST_CCONV_OPTS = $(TEST_CCONV_OPTS)
+	@echo TESTEXT = $(TESTEXT)
+	@echo TESTFIXTURE_DEP = $(TESTFIXTURE_DEP)
+	@echo TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS)
+	@echo TESTFIXTURE_SRC = $(TESTFIXTURE_SRC)
+	@echo TESTOPTS = $(TESTOPTS)
+	@echo TESTPROGS = $(TESTPROGS)
+	@echo TESTSRC = $(TESTSRC)
+	@echo TLIBS = $(TLIBS)
+	@echo TOP = $(TOP)
+	@echo UCRTLIBPATH = $(UCRTLIBPATH)
+	@echo USE_AMALGAMATION = $(USE_AMALGAMATION)
+	@echo USE_CRT_DLL = $(USE_CRT_DLL)
+	@echo USE_FATAL_WARN = $(USE_FATAL_WARN)
+	@echo USE_FULLWARN = $(USE_FULLWARN)
+	@echo USE_ICU = $(USE_ICU)
+	@echo USE_LISTINGS = $(USE_LISTINGS)
+	@echo USE_NATIVE_LIBPATHS = $(USE_NATIVE_LIBPATHS)
+	@echo USE_RC = $(USE_RC)
+	@echo USE_RUNTIME_CHECKS = $(USE_RUNTIME_CHECKS)
+	@echo USE_SEH = $(USE_SEH)
+	@echo USE_STDCALL = $(USE_STDCALL)
+	@echo USE_ZLIB = $(USE_ZLIB)
+	@echo XCOMPILE = $(XCOMPILE)
+	@echo ZLIBDIR = $(ZLIBDIR)
+	@echo ZLIBINCDIR = $(ZLIBINCDIR)
+	@echo ZLIBLIBDIR = $(ZLIBLIBDIR)
+	@echo ZLIBLIB = $(ZLIBLIB)
+
 moreclean:	clean
 	del /Q $(SQLITE3C) $(SQLITE3H) 2>NUL
 # <</mark>>

manifest

@@ -1,12 +1,12 @@
-C Fix\sa\smemory\sleak\sin\sthe\sfileio\sextension\son\swindows.
-D 2025-12-05T19:23:20.738
+C In\sthe\sWindows\sMakefile.msc,\snever\sset\s-DNDEBUG.\s\sAnd\sadd\sthe\s"env"\starget\nwhich\sprints\sout\sthe\svalue\sof\sall\s127\sconfiguration\svariables\sthat\s\nMakefile.msc\suses.
+D 2025-12-05T19:45:43.225
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md 6bc480fc673fb4acbc4094e77edb326267dd460162d7723c7f30bee2d3d9e97d
 F Makefile.in 3ce07126d7e87c7464301482e161fdae6a51d0a2aa06b200b8f0000ef4d6163b
 F Makefile.linux-generic bd3e3cacd369821a6241d4ea1967395c962dfe3057e38cb0a435cee0e8b789d0
-F Makefile.msc 407e29fa88f542298d0d3557302591ec0c43ee3b77978cd23955e5dde0eb3e59
+F Makefile.msc 811b1343c358aa202d95808a5b3bc3dceeb595c6cab09277fbb82b5b60c4d115
 F README.md 3fa51fc7ababc32edd175ae8b2986c86d5ea120c1cb1e57c7f7849492d1405ec
 F VERSION 74672bfd4c7826c0fc6f84762488a707c52e7d2d94af42ccb0edcc6c74311c41
 F art/icon-243x273.gif 9750b734f82fdb3dc43127753d5e6fbf3b62c9f4e136c2fbf573b2f57ea87af5
@@ -2184,8 +2184,8 @@ F tool/version-info.c 33d0390ef484b3b1cb685d59362be891ea162123cea181cb8e6d2cf6dd
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh d924598cf2f55a4ecbc2aeb055c10bd5f48114793e7ba25f9585435da29e7e98
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P c320c5585833e5e6460c61f88ba4d784613c4317b1e50eae0d58d8ce002c5732
-R 92531f4f964f941f7c77f5dd7178475d
-U dan
-Z ce191c9e3a82acb3ae41c2e5a776e9f7
+P 19e5ae6e20a1e2f41c5bc77b7bb99211b22d6fabf21e5f2f7f82028615eb791e
+R bb5e74c6d6d5cea877cbf9c5fa311298
+U drh
+Z 1327b3a4ad83622efbe2804317ed0b12
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-19e5ae6e20a1e2f41c5bc77b7bb99211b22d6fabf21e5f2f7f82028615eb791e
+f82376f080ca5cb316b8eb2e48a128b1838eb376b9e903c7af611b398cfe9b1f