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Don't use fvisibility=hidden

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Apple's build doesn't use it; instead, they use an unexported symbols list.
This commit is contained in:
Ariel Abreu 2021-06-28 23:31:08 -04:00
parent 9840e980d5
commit c5d1e278e2
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GPG Key ID: D67AE16CCEA85B70
1 changed files with 4 additions and 2 deletions
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6
runtime/CMakeLists.txt
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@ -18,9 +18,9 @@ add_definitions(-D__STDC_NO_ATOMICS__)
set(CMAKE_C_FLAGS_DEBUG "-ggdb -DOBJC_IS_DEBUG_BUILD=1")
set(CMAKE_CXX_FLAGS_DEBUG "-ggdb -DOBJC_IS_DEBUG_BUILD=1")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc -O2 -D__DARWIN_UNIX03 -fPIC -fblocks -fobjc-legacy-dispatch -fvisibility-inlines-hidden -fvisibility=hidden -fstrict-aliasing")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc -O2 -D__DARWIN_UNIX03 -fPIC -fblocks -fobjc-legacy-dispatch -fvisibility-inlines-hidden -fstrict-aliasing")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc -nostdinc++ -O2 -std=gnu++14 -D__DARWIN_UNIX03 -fPIC -fblocks -fobjc-legacy-dispatch \
-fno-rtti -fno-exceptions -Wno-c++11-narrowing -fvisibility-inlines-hidden -fvisibility=hidden -Wno-invalid-offsetof -Wno-deprecated-objc-isa-usage \
-fno-rtti -fno-exceptions -Wno-c++11-narrowing -fvisibility-inlines-hidden -Wno-invalid-offsetof -Wno-deprecated-objc-isa-usage \
-Wno-cast-of-sel-type -Wstrict-aliasing=2 -Wstrict-overflow=4 -fstrict-aliasing")
add_definitions(-DOBJC_NO_GC -DOBJC_IS_DEBUG_BUILD=1)
@ -90,6 +90,8 @@ target_link_options(objc PRIVATE
# but it's necessary for libobjc to initialize it's own C++ globals before the runtime is initialized
# (i'm guessing they renamed the section so that the functions in it wouldn't get called twice: once by libobjc and once by dyld)
-Wl,-rename_section,__DATA,__mod_init_func,__DATA,__objc_init_func
"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../unexported_symbols"
)
set_target_properties(objc PROPERTIES OUTPUT_NAME "objc.A")
InstallSymlink("libobjc.A.dylib" "${CMAKE_INSTALL_PREFIX}/libexec/darling/usr/lib/libobjc.dylib")