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fix: only write install_tactic.deps when content changes to avoid unnecessary rebuilds

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copilot-swe-agent[bot] 2026-07-13 03:04:29 +00:00 • committed by GitHub
parent cc46f9a7cd
commit eaf9236540
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1 changed files with 13 additions and 1 deletions
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14
cmake/z3_add_component.cmake
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@ -273,7 +273,19 @@ macro(z3_add_install_tactic_rule)
unset(_component_tactic_header_files)
string(REPLACE ";" "\n" _tactic_header_files "${_tactic_header_files}")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/install_tactic.deps" ${_tactic_header_files})
# Only write the deps file if content has changed to avoid unnecessary rebuilds
# (file(WRITE) always updates the timestamp even if content is unchanged)
set(_install_tactic_deps_file "${CMAKE_CURRENT_BINARY_DIR}/install_tactic.deps")
if (EXISTS "${_install_tactic_deps_file}")
file(READ "${_install_tactic_deps_file}" _install_tactic_deps_old)
else()
set(_install_tactic_deps_old "")
endif()
if (NOT _install_tactic_deps_old STREQUAL "${_tactic_header_files}")
file(WRITE "${_install_tactic_deps_file}" "${_tactic_header_files}")
endif()
unset(_install_tactic_deps_old)
unset(_install_tactic_deps_file)
add_custom_command(OUTPUT "install_tactic.cpp"
COMMAND "${Python3_EXECUTABLE}"
"${PROJECT_SOURCE_DIR}/scripts/mk_install_tactic_cpp.py"