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cmake: don't pass --gc-sections to macOS linker, use -dead_strip

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When building for "linux" (~POSIX) target on macOS, the system linker
is normally used. MacOS linker doesn't recognise --gc-sections, but
has a -dead_strip flag which is equivalent.
This commit is contained in:
Ivan Grokhotkov
2021-11-16 00:04:36 +01:00
parent fd1c213be4
commit 9901fc3058
2 changed files with 6 additions and 3 deletions
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CMakeLists.txt
+6
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@@ -196,6 +196,12 @@ endif()
list(APPEND link_options "-fno-lto")
if(CONFIG_IDF_TARGET_LINUX AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
list(APPEND link_options "-Wl,-dead_strip")
else()
list(APPEND link_options "-Wl,--gc-sections")
endif()
# Placing jump tables in flash would cause issues with code that required
# to be placed in IRAM
list(APPEND compile_options "-fno-jump-tables")