02fe4add64
Generator expressions, which are used to introduce conditional statements at generate time rather than at CMake compile time, are now available in more contexts, notably in the INCLUDE_DIRECTORIES and COMPILE_DEFINITIONS target properties. There are also new generator expressions available in the 2.8.10 release. The file(DOWNLOAD command can accommodate https URLs. The pre-built binaries for this are available from Kitware and link to OpenSSL. The team has also added uniform compiler "id" and version number variables available for nearly all known compilers and platforms.
34 lines
1.6 KiB
CMake
34 lines
1.6 KiB
CMake
$NetBSD: patch-Modules_Platform_SunOS.cmake,v 1.3 2012/11/15 19:31:55 adam Exp $
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Don't use gcc to link c++ libraries on SunOS,
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unless we are really using a gcc lacking libstdc++.
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See http://public.kitware.com/pipermail/cmake/2011-July/045300.html
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--- Modules/Platform/SunOS.cmake.orig 2012-11-14 19:47:33.000000000 +0000
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+++ Modules/Platform/SunOS.cmake
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@@ -7,12 +7,20 @@ if(CMAKE_SYSTEM MATCHES "SunOS-4.*")
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set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")
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endif()
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+# Take the default c++ shared library creation rule from the
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+# CMakeDefaultMakeRuleVariables.cmake file unless using GCC and libstdc++.so
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+# does not exist, in which case fall back to the old implementation;
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+# using gcc to invoke the linker.
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if(CMAKE_COMPILER_IS_GNUCXX)
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if(CMAKE_COMPILER_IS_GNUCC)
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- set(CMAKE_CXX_CREATE_SHARED_LIBRARY
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- "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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- else()
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- # Take default rule from CMakeDefaultMakeRuleVariables.cmake.
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+ execute_process(
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+ COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=libstdc++.so
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+ OUTPUT_VARIABLE SHARED_LIBSTDCXX_FILENAME
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+ OUTPUT_STRIP_TRAILING_WHITESPACE)
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+ if(NOT EXISTS "${SHARED_LIBSTDCXX_FILENAME}")
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+ set(CMAKE_CXX_CREATE_SHARED_LIBRARY
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+ "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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+ endif()
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endif()
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endif()
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include(Platform/UnixPaths)
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