[LLDB] Explicitly use python for version fixup

[Nerixyz]

On Windows, the post build command would open the script in the default editor, since it doesn't know about shebangs. This effectively adds python3 in front of the command.

Amends #142871 / #141116

[llvmbot]

@llvm/pr-subscribers-lldb

Author: nerix (Nerixyz)

Changes

On Windows, the post build command would open the script in the default editor, since it doesn't know about shebangs. This effectively adds python3 in front of the command.

---

Full diff: https://github.com/llvm/llvm-project/pull/144217.diff

1 Files Affected:

• (modified) lldb/source/API/CMakeLists.txt (+1-1)

diff --git a/lldb/source/API/CMakeLists.txt b/lldb/source/API/CMakeLists.txt
index 2772aa920411f..f4a323aaf267c 100644
--- a/lldb/source/API/CMakeLists.txt
+++ b/lldb/source/API/CMakeLists.txt
@@ -326,7 +326,7 @@ foreach(header
 endforeach()
 
 add_custom_command(TARGET liblldb POST_BUILD
-  COMMAND ${LLDB_SOURCE_DIR}/scripts/version-header-fix.py ${LLDB_SOURCE_DIR}/include/lldb/lldb-defines.h ${lldb_header_staging_dir}/lldb-defines.h ${LLDB_VERSION_MAJOR} ${LLDB_VERSION_MINOR} ${LLDB_VERSION_PATCH}
+  COMMAND "${Python3_EXECUTABLE}" ${LLDB_SOURCE_DIR}/scripts/version-header-fix.py ${LLDB_SOURCE_DIR}/include/lldb/lldb-defines.h ${lldb_header_staging_dir}/lldb-defines.h ${LLDB_VERSION_MAJOR} ${LLDB_VERSION_MINOR} ${LLDB_VERSION_PATCH}
 )
 add_custom_target(liblldb-header-staging DEPENDS ${lldb_staged_headers})
 add_dependencies(liblldb liblldb-header-staging)