On unix-on-windows platforms, if either of --out-implib or --dll-basename are not provided, auto-enable them. Add the 'none' special value to those flags to specifically disable the environment-specific handling of those flags.

FossilOrigin-Name: 486400801a4540392c04d805a47df5249c4010b1a5fbac91900db6149374c274

Makefile.in

@@ -127,8 +127,8 @@ LDFLAGS.libsqlite3.os-specific = @LDFLAGS_MAC_CVERSION@ @LDFLAGS_OUT_IMPLIB@
 # - https://sqlite.org/forum/forumpost/9dfd5b8fd525a5d7
 # - https://sqlite.org/forum/forumpost/0c7fc097b2
 libsqlite3.DLL.basename = @SQLITE_DLL_BASENAME@
+# DLL.basename: see https://sqlite.org/forum/forumpost/828fdfe904
 libsqlite3.out.implib = @SQLITE_OUT_IMPLIB@
-# dll.basename: see https://sqlite.org/forum/forumpost/828fdfe904
 ENABLE_LIB_SHARED = @ENABLE_LIB_SHARED@
 ENABLE_LIB_STATIC = @ENABLE_LIB_STATIC@
 HAVE_WASI_SDK = @HAVE_WASI_SDK@

autosetup/sqlite-config.tcl

@@ -261,15 +261,17 @@ proc sqlite-config-bootstrap {buildMode} {
         dll-basename:=auto
           => {Specifies the base name of the resulting DLL file, defaulting to a
               platform-depending name (libsqlite3 on most Unix-style platforms).
-              If not provided, libsqlite3 is assumed, but if provided without a
-              value then a platform-dependent default is used.
-              e.g. --dll-basename=msys-sqlite3-0}
+              If not provided, libsqlite3 is usually assumed but on some platforms
+              a platform-dependent default is used. Use "none" to explicitly
+              disable platform-dependent defaults on platforms where "auto" is
+              implicitly used if this flag is not provided.}
         # out-implib: https://sqlite.org/forum/forumpost/0c7fc097b2
         out-implib:=auto
           => {Enable use of --out-implib linker flag to generate an
               "import library" for the DLL. The output's base name name is
               specified by the value, with "auto" meaning to figure out a
-              name automatically.}
+              name automatically. Use "none" to explicitly disable the
+              feature on platforms where it is implicitly on if not provided.}
       }
     }
 
@@ -1272,6 +1274,7 @@ proc sqlite-handle-mac-cversion {} {
 proc sqlite-handle-dll-basename {} {
   if {[proj-opt-was-provided dll-basename]} {
     set dn [join [opt-val dll-basename] ""]
+    if {$dn eq "none"} { set dn libsqlite3 }
   } else {
     set dn libsqlite3
   }
@@ -1320,6 +1323,7 @@ proc sqlite-handle-out-implib {} {
     if {$olBaseName in {auto ""}} {
       set olBaseName "libsqlite3" ;# [get-define SQLITE_DLL_BASENAME]
     }
+    if {$olBaseName ne "none"} {
       cc-with {-link 1} {
         set dll "${olBaseName}[get-define TARGET_DLLEXT]"
         set flags "-Wl,--out-implib,${dll}.a"
@@ -1333,10 +1337,38 @@ proc sqlite-handle-out-implib {} {
         user-error "--out-implib is not supported on this platform"
       }
     }
+  }
   return $rc
 }
 
 ########################################################################
+# If the given platform identifier (defaulting to [get-define host])
+# appears to be one of the Unix-on-Windows environments, returns a
+# brief symbolic name for that environment, else returns an empty
+# string.
+#
+# It does not distinguish between msys and msys2, returning msys for
+# both. The build does not, as of this writing, specifically support
+# msys v1.
+proc sqlite-env-is-unix-on-windows {{envTuple ""}} {
+  if {"" eq $envTuple} {
+    set envTuple [get-define host]
+  }
+  switch -glob -- $envTuple {
+    *-*-cygwin* { return cygwin }
+    *-*-ming*   { return mingw }
+    *-*-msys*   { return msys }
+  }
+  return "";
+}
+
+########################################################################
+# Performs various tweaks to the build which are only relevant on
+# certain platforms, e.g. Mac and "Unix on Windows" platforms (msys2,
+# cygwin, ...).
+#
+# DLL installation:
+#
 # [define]s SQLITE_DLL_INSTALL_RULES to a symbolic name of a set of
 # "make install" rules to use for installation of the DLL
 # deliverable. The makefile is tasked with with providing rules named
@@ -1346,16 +1378,54 @@ proc sqlite-handle-out-implib {} {
 # is (de)activated).
 #
 # The default value is "unix-generic".
-proc sqlite-determine-dll-install-rules {} {
-  set n unix-generic
-  switch -glob -- [get-define host] {
-    *-*-cygwin* { set n cygwin }
-    *-*-ming*   { set n mingw }
-    *-*-msys*   { set n msys }
+#
+# --out-implib:
+#
+# On platforms where an "import library" is conventionally used but
+# --out-implib was not explicitly used, automatically add that flag.
+#
+# --dll-basename:
+#
+# On the same platforms addressed by --out-implib, if --dll-basename
+# is not specified, --dll-basename=auto is implied.
+proc sqlite-handle-env-quirks {} {
+  set instName unix-generic; # name of installation rules set
+  set autoDll 0; # true if --out-implib/--dll-basename should be implied
+  set host [get-define host]
+  switch -glob -- $host {
     *apple* -
-    *darwin*    { set n darwin }
+    *darwin*    { set instName darwin }
+    default {
+      set x [sqlite-env-is-unix-on-windows $host]
+      if {"" ne $x} {
+        set instName $x
+        set autoDll 1
       }
-  define SQLITE_DLL_INSTALL_RULES $n
+    }
+  }
+  define SQLITE_DLL_INSTALL_RULES $instName
+  if {$autoDll} {
+    if {![proj-opt-was-provided out-implib]} {
+      # Imply --out-implib=auto
+      proj-indented-notice [subst -nocommands -nobackslashes {
+        NOTICE: auto-enabling --out-implib for $host.
+        Use --out-implib=none to disable it or --out-implib=auto
+        to squelch this notice.
+      }]
+      proj-opt-set out-implib auto
+    }
+    if {![proj-opt-was-provided dll-basename]} {
+      # Imply --dll-basename=auto
+      proj-indented-notice [subst -nocommands -nobackslashes {
+        NOTICE: auto-enabling --dll-basename for $host.
+        Use --dll-basename=none to disable it or --dll-basename=auto
+        to squelch this notice.
+      }]
+      proj-opt-set dll-basename auto
+    }
+  }
+  sqlite-handle-out-implib
+  sqlite-handle-mac-cversion
 }
 
 ########################################################################
@@ -1369,9 +1439,7 @@ proc sqlite-config-finalize {} {
 #    autoconf {
 #    }
 #  }
-  sqlite-determine-dll-install-rules
-  sqlite-handle-out-implib
-  sqlite-handle-mac-cversion
+  sqlite-handle-env-quirks
   sqlite-process-dot-in-files
   sqlite-post-config-validation
   sqlite-dump-defines

manifest

@@ -1,9 +1,9 @@
-C Ensure\sthat\s[08c9e56f60]\suses\san\sabsolute\spath\swhen\sappending\s.exe\sto\smksourceid.
-D 2025-02-22T14:58:20.584
+C On\sunix-on-windows\splatforms,\sif\seither\sof\s--out-implib\sor\s--dll-basename\sare\snot\sprovided,\sauto-enable\sthem.\sAdd\sthe\s'none'\sspecial\svalue\sto\sthose\sflags\sto\sspecifically\sdisable\sthe\senvironment-specific\shandling\sof\sthose\sflags.
+D 2025-02-22T16:31:16.755
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
-F Makefile.in b2b4b30fd8c1be9713861c501f8035b57845c54ac42c4276452d5eb94e9ea3eb
+F Makefile.in 18fe2ad1e0da1fc98843d53c48a5ee7e180eacccdae532e1bad9f95d4fabde7d
 F Makefile.linux-generic bd3e3cacd369821a6241d4ea1967395c962dfe3057e38cb0a435cee0e8b789d0
 F Makefile.msc 50c656e096ae49ccf9e5e88b4995f0a155f231ebae5b6d185cc64ce99d728a83
 F README.md c3c0f19532ce28f6297a71870f3c7b424729f0e6d9ab889616d3587dd2332159
@@ -50,7 +50,7 @@ F autosetup/cc.tcl c0fcc50ca91deff8741e449ddad05bcd08268bc31177e613a6343bbd1fd3e
 F autosetup/jimsh0.c 6573f6bc6ff204de0139692648d7037ca0b6c067bac83a7b4e087f20a86866a4
 F autosetup/pkg-config.tcl 4e635bf39022ff65e0d5434339dd41503ea48fc53822c9c5bde88b02d3d952ba
 F autosetup/proj.tcl 04fd2d110b6464f7a2847380a39bed647c2646a868a4ed60f7a625e52a9a8b20
-F autosetup/sqlite-config.tcl 2422f6fd2cd2120e8812c0e6e4f6d2cb888cc6312a49f265834d0913c09fa6b9
+F autosetup/sqlite-config.tcl f5ced060a400ab0758c560347466083ea3ea822db260b40c3266d62a9812313a
 F autosetup/system.tcl 51d4be76cd9a9074704b584e5c9cbba616202c8468cf9ba8a4f8294a7ab1dba9
 F configure 9a00b21dfd13757bbfb8d89b30660a89ec1f8f3a79402b8f9f9b6fc475c3303a x
 F contrib/sqlitecon.tcl 210a913ad63f9f991070821e599d600bd913e0ad
@@ -2210,8 +2210,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 2ee73109809e7d4a9d203cfa42f29c62837c06dc414f9dbf17ce00d9bbb5a883
-R 9554fb958ccc8ca614713f13fcd64b48
+P 906d27f7a645833595f02ddf05892703783d89116b1009f04e0b71679ff34a8b
+R 38c1112c07cd683cb8ec01f377bddc57
 U stephan
-Z 090a992d630fbdcddf86913e7feb0d82
+Z 51cfa32526ca2c68d3558aae78fd6a9a
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-906d27f7a645833595f02ddf05892703783d89116b1009f04e0b71679ff34a8b
+486400801a4540392c04d805a47df5249c4010b1a5fbac91900db6149374c274