Don't preprocess C++ rules on every cpp2rust rebuild

lucic71 · lucic71 · commit 205a1e8b5c3d · 2026-05-11T15:38:31.000+01:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -152,7 +152,7 @@ foreach(_src IN LISTS rule_src_files)
   add_custom_command(
     OUTPUT ${_out}
     COMMAND $<TARGET_FILE:cpp-rule-preprocessor> --file ${_src}
-    DEPENDS ${_src} cpp-rule-preprocessor
+    DEPENDS ${_src} ${PROJECT_SOURCE_DIR}/cpp2rust/cpp_rule_preprocessor.cpp
     VERBATIM
   )
   list(APPEND cpp_rules_ir_outputs ${_out})

Original file line number	Diff line number	Diff line change
`@@ -152,7 +152,7 @@ foreach(_src IN LISTS rule_src_files)`
`152`	`152`	`add_custom_command(`
`153`	`153`	`OUTPUT ${_out}`
`154`	`154`	`COMMAND $<TARGET_FILE:cpp-rule-preprocessor> --file ${_src}`
`155`		`- DEPENDS ${_src} cpp-rule-preprocessor`
	`155`	`+ DEPENDS ${_src} ${PROJECT_SOURCE_DIR}/cpp2rust/cpp_rule_preprocessor.cpp`
`156`	`156`	`VERBATIM`
`157`	`157`	`)`
`158`	`158`	`list(APPEND cpp_rules_ir_outputs ${_out})`