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cmake: Don't try to install exports if there aren't any 

When using LLVM_DISTRIBUTION_COMPONENTS, it's possible for clang's
export list to be empty. If this happens the install(EXPORTS) command
will fail, but since there isn't anything to install anyway we really
just want to skip it.

llvm-svn: 286210
This commit is contained in:
Justin Bogner 2016-11-08 05:02:33 +00:00
parent 80bee97477
commit 5ca4d5f5fe
2 changed files with 6 additions and 1 deletions
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2
clang/cmake/modules/AddClang.cmake
View File

@ -93,6 +93,7 @@ macro(add_clang_library name)
if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
NOT LLVM_DISTRIBUTION_COMPONENTS)
set(export_to_clangtargets EXPORT ClangTargets)
set_property(GLOBAL PROPERTY CLANG_HAS_EXPORTS True)
endif()
install(TARGETS ${name}
@ -137,6 +138,7 @@ macro(add_clang_tool name)
if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
NOT LLVM_DISTRIBUTION_COMPONENTS)
set(export_to_clangtargets EXPORT ClangTargets)
set_property(GLOBAL PROPERTY CLANG_HAS_EXPORTS True)
endif()
install(TARGETS ${name}

5
clang/cmake/modules/CMakeLists.txt
View File

@ -39,7 +39,10 @@ set(CLANG_CONFIG_CMAKE_DIR)
set(CLANG_CONFIG_EXPORTS_FILE)
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
get_property(clang_has_exports GLOBAL PROPERTY CLANG_HAS_EXPORTS)
if(clang_has_exports)
install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
endif()
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfig.cmake