Enhance the extension loading mechanism so that the same source code

can be used for run-time loadable extensions and statically linked
extensions, and to mask architectural differences in shared libraries.

FossilOrigin-Name: a85b6ecefa14fcfe6ebfceabf910f00c3721be7d

diff --cc manifest
index e07c960b3c35b89fe930713d9faffdc968066a42,d25b1c8d4deb4f89a70ba66bb2920a7a08838c5d..1dd6c2db3b40e3294a9307466807ff535ff410e2
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\san\sincorrect\scomment\s(a\scopy/paste\serror)\sin\sthe\smptester.\s\sNo\scode\nchanges.
- D 2013-04-18T20:33:41.233
 -C Make\sthe\sSQLITE_EXTENSION_INIT1\sand\sSQLITE_EXTENSION_INIT2\smacros\sinto\nno-ops\sif\sthe\sextension\sis\sstatically\slinked.
 -D 2013-04-19T01:23:06.788
++C Enhance\sthe\sextension\sloading\smechanism\sso\sthat\sthe\ssame\ssource\scode\ncan\sbe\sused\sfor\srun-time\sloadable\sextensions\sand\sstatically\slinked\nextensions,\sand\sto\smask\sarchitectural\sdifferences\sin\sshared\slibraries.
++D 2013-04-19T02:47:05.486
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 3dd3fcb87b70c78d99b2c8a03e44ec86d6ca9ce2
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1051,7 -1051,7 +1051,7 @@@ F tool/vdbe-compress.tcl f12c884766bd14
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
  F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
- P d0898fd76a54512894418e53ba28703e250c9ed3
- R 489ed5534c8ff7ba356053afa67de654
 -P 6cfa1d73d79b9f0be8157f0a37c264dd95b031c8
++P e94783f36ade43ef9d5b94db278622bcbce4179b 86eb3eed4c70730dba0e319f243f8cb4fa8de06c
+ R 6c3fdd8d85d98822b9ca8decd52bbb5c
  U drh
- Z da35d51e74cda792a97ee9cf150ece03
 -Z 311c6fc82989346d7dcdfa6c2765eba0
++Z 0d2df06bcea7e6410ce186a367eefd17

diff --cc manifest.uuid
index 3b6aeacff2a6e70a7aeea90c582afcd839f45c9a,ee9ed3efc1f97a884fdece265377e6ef0f2f24d5..02b97e09e353cd2d0b5076f3bd35356f5e6c0404
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- e94783f36ade43ef9d5b94db278622bcbce4179b
 -86eb3eed4c70730dba0e319f243f8cb4fa8de06c
++a85b6ecefa14fcfe6ebfceabf910f00c3721be7d