build: prevent needless rebuild with S2N_INTERN_LIBCRYPTO=ON and Ninja (#5356)

kou · web-flow · commit 07597cc693ee · 2025-06-17T15:44:12.000Z
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -437,7 +437,7 @@ if (S2N_INTERN_LIBCRYPTO)
         add_custom_command(
             TARGET ${PROJECT_NAME} PRE_LINK
             COMMAND
-              find "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAME}.dir" -name '*.c.o' -exec objcopy --redefine-syms libcrypto.symbols {} \\\;
+              find "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAME}.dir" -name '*.c.o' -exec objcopy --redefine-syms libcrypto.symbols --preserve-dates {} \\\;
         )
     endif()
 

Original file line number	Diff line number	Diff line change
`@@ -437,7 +437,7 @@ if (S2N_INTERN_LIBCRYPTO)`
`437`	`437`	`add_custom_command(`
`438`	`438`	`TARGET ${PROJECT_NAME} PRE_LINK`
`439`	`439`	`COMMAND`
`440`		`- find "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAME}.dir" -name '*.c.o' -exec objcopy --redefine-syms libcrypto.symbols {} \\\;`
	`440`	`+ find "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAME}.dir" -name '*.c.o' -exec objcopy --redefine-syms libcrypto.symbols --preserve-dates {} \\\;`
`441`	`441`	`)`
`442`	`442`	`endif()`
`443`	`443`