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CMake Xcode builds: symlink tblgen targets out to bin/.

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Xcode always puts executable targets in the directory
bin/<Config>. When building separate LLVM and Clang projects for
Xcode, this prevents the CMake-configured project for Clang from
finding llvm-tblgen. Add a symlink so that tblgen executables are
always available in bin/ (regardless of the configuration LLVM is
built with).

llvm-svn: 189220
This commit is contained in:
Douglas Gregor 2013-08-26 14:43:19 +00:00
parent 4333460954
commit 3e2ef5d8cc
1 changed files with 10 additions and 0 deletions
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10
cmake/modules/TableGen.cmake
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@ -85,6 +85,16 @@ macro(add_tablegen target project)
add_llvm_utility(${target} ${ARGN})
set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
# For Xcode builds, symlink bin/<target> to bin/<Config>/<target> so that
# a separately-configured Clang project can still find llvm-tblgen.
if (XCODE)
add_custom_target(${target}-top ALL
${CMAKE_COMMAND} -E create_symlink
${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR}/${target}${CMAKE_EXECUTABLE_SUFFIX}
${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${target}${CMAKE_EXECUTABLE_SUFFIX}
DEPENDS ${target})
endif ()
set(${project}_TABLEGEN "${target}" CACHE
STRING "Native TableGen executable. Saves building one when cross-compiling.")