On platforms which support ./configure --with-icu-config, ensure that 'make tclextens...

FossilOrigin-Name: 404fde8bacc3f05254a2fcdb1531a7f53125a7ad45dc6b68a5065c1d0c73b670

diff --cc manifest
index 948552093bf038d0598a6effb45209ac9d7351b6,98e498f50bad65b0c0b35c47cf097efafdcb79e2..599c6017e5fa9254826188ecf2b5624adaeaa1e2
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Avoid\sa\spotentially\sundefined\sleft-shift\sin\sthe\sfts5\sporter\stokenizer.
- D 2026-04-15T11:23:30.257
 -C Pass\sthe\sICU-related\sbuild\sflags\sthrough\sthe\s'tclextension'\starget,\snot\sjust\s'tclextension-install'.
 -D 2026-04-14T00:48:34.864
++C On\splatforms\swhich\ssupport\s./configure\s--with-icu-config,\sensure\sthat\s'make\stclextension'\sincludes\sthe\sICU\spieces\sin\sthe\stcl\sextension.\sIntended\sto\sresolve\s[forum:92a88de4b88929fe|forum\spost\s92a88de4b88929fe].
++D 2026-04-15T11:40:13.477
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -2198,8 -2198,8 +2198,9 @@@ F tool/warnings-clang.sh bbf6a1e685e534
  F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
  F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
- P 7f5afb12f4a5d35cfe6b95f17d85ce85ce62159515bfe26fb9c67d3ce26b6d4a
- R fcc6e8025e2d981a10def51b0d7d83ba
- U dan
- Z 58daa56deefa4294a32013a21d0b246a
 -P a8c022d7946e8a29114400c1321f36f03979a2277253f1dcd769d8f36e944ece
 -R af4c8f999c29998f0093ac53269019fe
++P 46a288e43e4c48fca6610bce6a2db418aaa3c8a1dcb115b7a0bfad2063355e58 499c89f8745fac7ee93ff79a340abd69b4f06b07983b4d50057fa5d0893b2f3b
++R db917ef2f6d55ce338a45372e37f86ce
++T +closed 499c89f8745fac7ee93ff79a340abd69b4f06b07983b4d50057fa5d0893b2f3b Closed\sby\sintegrate-merge.
+ U stephan
 -Z 308741ae8b164d75f824eed7a9338d33
++Z 961225be281361a43f6c39148c9a0478
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index bfe01956c372ca0d6349121045570aa998af0ec2,e7cda8aeb7ca54cf6daea9582739fcf023310327..109dc1b21cfe4495a389502ad2808ab46628cf8e
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 46a288e43e4c48fca6610bce6a2db418aaa3c8a1dcb115b7a0bfad2063355e58
 -499c89f8745fac7ee93ff79a340abd69b4f06b07983b4d50057fa5d0893b2f3b
++404fde8bacc3f05254a2fcdb1531a7f53125a7ad45dc6b68a5065c1d0c73b670