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[AIX] Build libLTO as MODULE rather than SHARED

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On CMake versions greater that >= 3.16 on AIX, shared libraries are
created as archives (which is the normal form for the platform). However
plugins libraries which are passed directly to a executable, like
libLTO to the linker, are usual build as plain `.so`, so this patch
restores this behaviour for libLTO on AIX (and adjust the name if need be
to account for the fact that llvm_add_library likes to force an empty
name prefix on modules), so we end up with the expected libLTO.so

Reviewed By: w2yehia

Differential Revision: https://reviews.llvm.org/D103824
This commit is contained in:
David Tenty 2021-06-10 11:15:04 -04:00
parent 040b1baf1d
commit dcf97ff292
1 changed files with 10 additions and 2 deletions
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12
tools/lto/CMakeLists.txt
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@ -21,8 +21,16 @@ set(SOURCES
set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/lto.exports)
add_llvm_library(LTO SHARED INSTALL_WITH_TOOLCHAIN ${SOURCES} DEPENDS
intrinsics_gen)
if(CMAKE_SYSTEM_NAME STREQUAL AIX)
set(LTO_LIBRARY_TYPE MODULE)
set(LTO_LIBRARY_NAME libLTO)
else()
set(LTO_LIBRARY_TYPE SHARED)
set(LTO_LIBRARY_NAME LTO)
endif()
add_llvm_library(${LTO_LIBRARY_NAME} ${LTO_LIBRARY_TYPE} INSTALL_WITH_TOOLCHAIN
${SOURCES} DEPENDS intrinsics_gen)
install(FILES ${LLVM_MAIN_INCLUDE_DIR}/llvm-c/lto.h
DESTINATION include/llvm-c