autoconf/tea: the default value of --threadsafe=X is now based on a pkgconfig query using the target tclsh, which is much more reliable than grepping Tcl's linker flags. Doc touchups.

FossilOrigin-Name: 4aeec30443b282f10353cdb9415fdce436287280f0f5d5d6b9917da831744898

autoconf/tea/teaish.tcl

@@ -1,4 +1,4 @@
-# Teaish configure script for the SQLite TCL extension
+# Teaish configure script for the SQLite Tcl extension
 
 apply {{} {
   set version [proj-file-content -trim [teaish-get -dir]/../VERSION]
@@ -31,7 +31,9 @@ array set sqliteConfig [subst [proj-strip-hash-comments {
 # autosetup's [options] function.
 #
 proc teaish-options {} {
-  return [proj-strip-hash-comments [subst -nocommands -nobackslashes {
+  # These flags and defaults mostly derive from the historical TEA
+  # build.  Some, like ICU, are taken from the canonical SQLite tree.
+  return [subst -nocommands -nobackslashes {
     with-system-sqlite=0
       => {Use the system-level SQLite instead of the copy in this tree.
           Also requires use of --override-sqlite-version so that the build
@@ -63,7 +65,7 @@ proc teaish-options {} {
     icu-collations=0
       => {Enable SQLITE_ENABLE_ICU_COLLATIONS. Requires --with-icu-ldflags=...
           or --with-icu-config}
-  }]]
+  }]
 }
 
 #
@@ -118,9 +120,8 @@ proc teaish-configure {} {
   sqlite-handle-common-feature-flags; # must be late in the process
 }; # teaish-configure
 
-
 define OPT_FEATURE_FLAGS {} ; # -DSQLITE_OMIT/ENABLE flags.
-########################################################################
+#
 # Adds $args, if not empty, to OPT_FEATURE_FLAGS. This is intended only for holding
 # -DSQLITE_ENABLE/OMIT/... flags, but that is not enforced here.
 proc sqlite-add-feature-flag {args} {
@@ -129,7 +130,7 @@ proc sqlite-add-feature-flag {args} {
   }
 }
 
-########################################################################
+#
 # Check for log(3) in libm and die with an error if it is not
 # found. $featureName should be the feature name which requires that
 # function (it's used only in error messages). defines LDFLAGS_MATH to
@@ -150,7 +151,7 @@ proc sqlite-affirm-have-math {featureName} {
   }
 }
 
-########################################################################
+#
 # Handle various SQLITE_ENABLE/OMIT_... feature flags.
 proc sqlite-handle-common-feature-flags {} {
   msg-result "Feature flags..."
@@ -208,7 +209,7 @@ proc sqlite-handle-common-feature-flags {} {
       }
     }
   }
-  ########################################################################
+  #
   # Invert the above loop's logic for some SQLITE_OMIT_...  cases. If
   # config option $boolFlag is false, [sqlite-add-feature-flag
   # $featureFlag], where $featureFlag is intended to be
@@ -224,7 +225,7 @@ proc sqlite-handle-common-feature-flags {} {
     }
   }
 
-  #########################################################################
+  ##
   # Remove duplicates from the final feature flag sets and show them
   # to the user.
   set oFF [get-define OPT_FEATURE_FLAGS]
@@ -238,7 +239,7 @@ proc sqlite-handle-common-feature-flags {} {
   teaish-cflags-add -define OPT_FEATURE_FLAGS
 }; # sqlite-handle-common-feature-flags
 
-########################################################################
+#
 # If --enable-threadsafe is set, this adds -DSQLITE_THREADSAFE=1 to
 # OPT_FEATURE_FLAGS and sets LDFLAGS_PTHREAD to the linker flags
 # needed for linking pthread (possibly an empty string). If
@@ -260,10 +261,8 @@ proc sqlite-handle-threadsafe {} {
         teaish-ldflags-prepend $ldf
         undefine lib_pthread_create
         undefine lib_pthread_mutexattr_init
-      } elseif {[proj-opt-was-provided threadsafe]} {
-        user-error "Missing required pthread libraries. Use --disable-threadsafe to disable this check."
       } else {
-        msg-result "pthread support not detected"
+        user-error "Missing required pthread libraries. Use --disable-threadsafe to disable this check."
       }
       # Recall that LDFLAGS_PTHREAD might be empty even if pthreads if
       # found because it's in -lc on some platforms.
@@ -273,30 +272,31 @@ proc sqlite-handle-threadsafe {} {
   } else {
     #
     # If user does not specify --[disable-]threadsafe then select a
-    # default based on whether it looks like TCL has threading
+    # default based on whether it looks like Tcl has threading
     # support.
     #
-    #puts "TCL_LIBS = [get-define TCL_LIBS]"
-    if {[string match *pthread* [get-define TCL_LIBS]]} {
-      # ^^^ FIXME: there must be a better way of testing this
+    catch {
+      scan [exec echo {puts [tcl::pkgconfig get threaded]} | [get-define TCLSH_CMD]] \
+        %d enable
+    }
+    if {$enable} {
       set flagName "--threadsafe"
       set lblAbled "enabled"
-      set enable 1
-      msg-result "yes"
+      msg-result yes
     } else {
       set flagName "--disable-threadsafe"
       set lblAbled "disabled"
-      set enable 0
-      msg-result "no"
+      msg-result no
     }
-    msg-result "NOTICE: defaulting to ${flagName} because TCL has threading ${lblAbled}."
-    # ^^^ We don't need to link against -lpthread in the is-enabled case.
+    msg-result "Defaulting to ${flagName} because Tcl has threading ${lblAbled}."
+    # ^^^ We (probably) don't need to link against -lpthread in the
+    # is-enabled case. We might in the case of static linking. Unsure.
   }
   sqlite-add-feature-flag -DSQLITE_THREADSAFE=${enable}
   return $enable
 }
 
-########################################################################
+#
 # Handles the --enable-load-extension flag. Returns 1 if the support
 # is enabled, else 0. If support for that feature is not found, a
 # fatal error is triggered if --enable-load-extension is explicitly
@@ -348,7 +348,7 @@ proc sqlite-handle-load-extension {} {
   return $found
 }
 
-########################################################################
+#
 # ICU - International Components for Unicode
 #
 # Handles these flags:
@@ -448,7 +448,7 @@ proc sqlite-handle-icu {} {
 }; # sqlite-handle-icu
 
 
-########################################################################
+#
 # Handles the --with-tempstore flag.
 #
 # The test fixture likes to set SQLITE_TEMP_STORE on its own, so do
@@ -473,7 +473,7 @@ proc sqlite-handle-tempstore {} {
   }
 }
 
-########################################################################
+#
 # Handles the --enable-math flag.
 proc sqlite-handle-math {} {
   proj-if-opt-truthy math {
@@ -492,15 +492,13 @@ proc sqlite-handle-math {} {
   }
 }
 
-########################################################################
+#
 # Move -DSQLITE_OMIT... and -DSQLITE_ENABLE... flags from CFLAGS and
 # CPPFLAGS to OPT_FEATURE_FLAGS and remove them from BUILD_CFLAGS.
 proc sqlite-munge-cflags {} {
   # Move CFLAGS and CPPFLAGS entries matching -DSQLITE_OMIT* and
   # -DSQLITE_ENABLE* to OPT_FEATURE_FLAGS. This behavior is derived
-  # from the legacy build and was missing the 3.48.0 release (the
-  # initial Autosetup port).
-  # https://sqlite.org/forum/forumpost/9801e54665afd728
+  # from the pre-3.48 build.
   #
   # Handling of CPPFLAGS, as well as removing ENABLE/OMIT from
   # CFLAGS/CPPFLAGS, was missing in the 3.49.0 release as well.

manifest

@@ -1,5 +1,5 @@
-C Fix\san\soff-by-one\serror\sin\san\sassert(),\sdiscovered\sby\soss-fuzz.\s\sThis\sis\sa\nharmless\serror\sin\sas\smuch\sas\sassert()s\sare\sdisabled\sin\sproduction\sbuilds,\sand\nbecause\sthe\soff-by-one\sonly\soccurs\son\snonsensical\sCREATE\sINDEX\sstatements.
-D 2025-04-25T12:39:32.313
+C autoconf/tea:\sthe\sdefault\svalue\sof\s--threadsafe=X\sis\snow\sbased\son\sa\spkgconfig\squery\susing\sthe\starget\stclsh,\swhich\sis\smuch\smore\sreliable\sthan\sgrepping\sTcl's\slinker\sflags.\sDoc\stouchups.
+D 2025-04-27T04:21:27.214
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -33,7 +33,7 @@ F autoconf/tea/configure d0b12b984edca6030d1976375b80157ac78b5b90a5b4f0dcee39357
 F autoconf/tea/doc/sqlite3.n 9a97f4f717ceab73004ea412af7960625c1cb24b5c25e4ae4c8b5d8fa4300f4e
 F autoconf/tea/license.terms 13bd403c9610fd2b76ece0ab50c4c5eda933d523
 F autoconf/tea/pkgIndex.tcl.in e07da6b94561f4aa382bab65b1ccceb04701b97bf59d007c1d1f20a222b22d07
-F autoconf/tea/teaish.tcl 9abc575ff3106c60ec0924a558d45dd58f7b4cd07373f87372df1988611b7d8c
+F autoconf/tea/teaish.tcl 172fd9d6e06e5874db58e3384cfa9a7d52325634302eed189bb60f6cbf40bbd9
 F autoconf/tea/teaish.test.tcl cfe94e1fb79dd078f650295be59843d470125e0cc3a17a1414c1fb8d77f4aea6
 F autoconf/tea/teaish.tester.tcl.in 0d048e5569ad9bbaffbe5123c2084f9084d424a7719d06f5ca941caafbcca320
 F autosetup/LICENSE 41a26aebdd2cd185d1e2b210f71b7ce234496979f6b35aef2cbf6b80cbed4ce4
@@ -2216,8 +2216,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P f878f578f8fac95a939e3eabe8b64d5627d2ccd98de1e28081b9bca42ffee027
-R b09672114488a7538b124c2f208fd0c9
-U drh
-Z ec15e368363710db096ef47cd437c3e8
+P 3e627d66ebdef8dfe41bd12a0474d1afca9f50051771774679d25bd1833e69ae
+R 56906ec6bb47507a448b4eb61a665ed8
+U stephan
+Z 6249b8349b5cb161fd945b7e77195de1
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-3e627d66ebdef8dfe41bd12a0474d1afca9f50051771774679d25bd1833e69ae
+4aeec30443b282f10353cdb9415fdce436287280f0f5d5d6b9917da831744898