[ORCJIT][CI] Fix orcjit wheel ABI skew and drop over-broad --exclude-libs

The orcjit CI job built the wheel against PyPI apache-tvm-ffi while the
test step reinstalled the in-tree dev core; once the core's Optional/Variant
ABI diverged from the last release this mismatch segfaulted the JIT and
produced bogus type indices. Build the wheel against the in-tree core via
CIBW_BEFORE_BUILD + --no-build-isolation so build-ABI == test-ABI.

Also drop -Wl,--exclude-libs,ALL: with -static-libstdc++ it localized the
libstdc++ symbols liborc_rt resolves from the process, so on a statically
linked (manylinux) core the ELFNix platform failed to bootstrap and every
ExecutionSession() threw.

Author: cyx-6

.github/actions/build-orcjit-wheel/action.yml

@@ -102,6 +102,10 @@ runs:
         CIBW_ENVIRONMENT: LLVM_PREFIX=/opt/llvm
         CIBW_ENVIRONMENT_WINDOWS: LLVM_PREFIX="C:/opt/llvm"
         CIBW_CONTAINER_ENGINE: "docker; create_args: --volume /opt/llvm:/opt/llvm"
+        # Build against the in-tree core (not PyPI) so the addon's tvm_ffi ABI
+        # matches the core the tests reinstall; a mismatch segfaults the JIT.
+        CIBW_BEFORE_BUILD: pip install "scikit-build-core>=0.10.0" cmake ninja "{project}"
+        CIBW_BUILD_FRONTEND: "pip; args: --no-build-isolation"
         CIBW_TEST_REQUIRES: pytest pytest-xdist ninja
         CIBW_TEST_COMMAND: >-
           pip install --force-reinstall {project} &&

addons/tvm_ffi_orcjit/CMakeLists.txt

@@ -152,12 +152,8 @@ elseif (UNIX AND NOT WIN32)
   target_link_options(tvm_ffi_orcjit PRIVATE -static-libstdc++ -static-libgcc)
 endif ()
 
-# ---- Hide symbols from statically-linked archives (LLVM, zlib, zstd, libstdc++) ----
-if (CMAKE_SYSTEM_NAME MATCHES "Linux|Android|FreeBSD|NetBSD|OpenBSD" AND CMAKE_CXX_COMPILER_ID
-                                                                         MATCHES "GNU|Clang"
-)
-  target_link_options(tvm_ffi_orcjit PRIVATE "-Wl,--exclude-libs,ALL")
-endif ()
+# NOTE: do not add -Wl,--exclude-libs,ALL here; it localizes the static libstdc++ symbols that
+# liborc_rt resolves from the process, breaking the JIT.
 
 # ---- Find and bundle liborc_rt ----
 # Platform notes: