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5a21557b33
The `CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH` is used by CMake to always append `-Wl,-blibpath:/usr/lib:/lib` to the link line. This is needed by default on these platforms but needs to be overridden in some use cases (e.g. an environment in which one maintains versioned shared libraries). Change our logic to set this value only if it not already set by the user, project, or toolchain file.
48 lines
1.9 KiB
CMake
48 lines
1.9 KiB
CMake
if(NOT DEFINED CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH)
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set(CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH /usr/lib)
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endif()
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if(NOT CMAKE_SYSTEM_PROCESSOR STREQUAL "ia64")
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set(CMAKE_SHARED_LIBRARY_SUFFIX ".sl") # .so
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".sl" ".so" ".a")
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set(CMAKE_EXTRA_SHARED_LIBRARY_SUFFIXES ".so")
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endif()
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set(CMAKE_DL_LIBS "dld")
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# The HP linker needs to find transitive shared library dependencies
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# in the -L path. Therefore the runtime path must be added to the
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# link line with -L flags.
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set(CMAKE_SHARED_LIBRARY_LINK_C_WITH_RUNTIME_PATH 1)
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set(CMAKE_LINK_DEPENDENT_LIBRARY_DIRS 1)
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# Shared libraries with no builtin soname may not be linked safely by
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# specifying the file path.
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set(CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME 1)
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# set flags for gcc support
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include(Platform/UnixPaths)
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# Look in both 32-bit and 64-bit implict link directories, but tell
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# CMake not to pass the paths to the linker. The linker will find the
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# library for the proper architecture. In the future we should detect
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# which path will be used by the linker. Since the pointer type size
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# CMAKE_SIZEOF_VOID_P is not set until after this file executes, we
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# would need to append to CMAKE_SYSTEM_LIBRARY_PATH at a later point
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# (after CMakeTest(LANG)Compiler.cmake runs for at least one language).
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list(APPEND CMAKE_SYSTEM_LIBRARY_PATH /usr/lib/hpux32)
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list(APPEND CMAKE_SYSTEM_LIBRARY_PATH /usr/lib/hpux64)
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list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES
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/usr/lib/hpux32 /usr/lib/hpux64)
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# Initialize C and CXX link type selection flags. These flags are
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# used when building a shared library, shared module, or executable
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# that links to other libraries to select whether to use the static or
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# shared versions of the libraries.
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foreach(type SHARED_LIBRARY SHARED_MODULE EXE)
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foreach(lang C CXX)
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set(CMAKE_${type}_LINK_STATIC_${lang}_FLAGS "-Wl,-a,archive")
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set(CMAKE_${type}_LINK_DYNAMIC_${lang}_FLAGS "-Wl,-a,default")
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endforeach()
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endforeach()
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