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Strip debug symbols from the Apple libraries #1443

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bfa54f0
Strip debug symbols from the Apple libraries
a-maurice Apr 27, 2026
c98efb9
Update, and add Linux
a-maurice Apr 29, 2026
ee1df1a
Merge branch 'main' into am-apple_stripping
a-maurice Apr 30, 2026
bf38f94
Update readme.md
a-maurice Apr 30, 2026
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20 changes: 19 additions & 1 deletion cmake/build_shared.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,25 @@ function(build_firebase_shared LIBRARY_NAME ARTIFACT_NAME OUTPUT_NAME)
"lib${OUTPUT_NAME}.so"
COMMENT "Strip debug symbols done on final binary. lib${OUTPUT_NAME}.so")
endif()


# Strip the debug symbols from the Mac build to reduce sizes
if(APPLE AND NOT FIREBASE_IOS_BUILD AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
target_link_options(${shared_target} PRIVATE "-Wl,-dead_strip")

add_custom_command(TARGET ${shared_target} POST_BUILD
COMMAND "${CMAKE_STRIP}" -x "$<TARGET_FILE:${shared_target}>"
COMMENT "Stripping symbols from Mac bundle"
)
endif()

# Strip the debug symbols from the Linux build to reduce size
if(UNIX AND NOT APPLE AND NOT ANDROID AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
add_custom_command(TARGET ${shared_target} POST_BUILD
COMMAND "${CMAKE_STRIP}" --strip-unneeded "$<TARGET_FILE:${shared_target}>"
COMMENT "Stripping symbols from Linux shared object"
)
endif()

unity_pack_native(${shared_target})

if(ANDROID)
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18 changes: 18 additions & 0 deletions cmake/build_universal.cmake
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Expand Up @@ -96,6 +96,24 @@ function(build_uni TARGET_LINK_LIB_NAMES PROJECT_LIST_HEADER_VARIABLE)
COMMENT "Strip debug symbols done on final binary. lib${FIREBASE_APP_UNI_VERSIONED}.so")
endif()

# Strip the debug symbols from the Mac build to reduce size
if(APPLE AND NOT FIREBASE_IOS_BUILD AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
target_link_options(firebase_app_uni PRIVATE "-Wl,-dead_strip")

add_custom_command(TARGET firebase_app_uni POST_BUILD
COMMAND "${CMAKE_STRIP}" -x "$<TARGET_FILE:firebase_app_uni>"
COMMENT "Stripping symbols from Mac bundle"
)
endif()

# Strip the debug symbols from the Linux build to reduce size
if(UNIX AND NOT APPLE AND NOT ANDROID AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
add_custom_command(TARGET firebase_app_uni POST_BUILD
COMMAND "${CMAKE_STRIP}" --strip-unneeded "$<TARGET_FILE:firebase_app_uni>"
COMMENT "Stripping symbols from Linux shared object"
)
endif()

unity_pack_native(firebase_app_uni)

set_property(TARGET firebase_app_uni
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1 change: 1 addition & 0 deletions docs/readme.md
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Expand Up @@ -111,6 +111,7 @@ Release Notes
-------------
### Upcoming
- Changes
- General: Strip debug symbols from Mac and Linux libraries, to reduce library size.
- General (iOS): Improve initialization to address intermittent crashes on iOS 26.
([#1436](https://github.com/firebase/firebase-unity-sdk/issues/1436)).
- Firebase AI: Add support for Grounding with Google Maps.
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