62226ae91c
- don't try to find a python executable when running for pkgsrc - use g++ instead of gcc for linking c++ libraries, patch from http://public.kitware.com/pipermail/cmake/2011-July/045300.html
34 lines
1.8 KiB
CMake
34 lines
1.8 KiB
CMake
$NetBSD: patch-Modules_Platform_SunOS.cmake,v 1.1 2012/02/16 18:32:25 hans 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 2011-10-04 18:09:24.000000000 +0200
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+++ Modules/Platform/SunOS.cmake 2012-01-11 17:50:43.768105308 +0100
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@@ -5,12 +5,20 @@ IF(CMAKE_SYSTEM MATCHES "SunOS-4.*")
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SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")
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ENDIF(CMAKE_SYSTEM MATCHES "SunOS-4.*")
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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> <CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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- ELSE(CMAKE_COMPILER_IS_GNUCC)
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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(NOT EXISTS "${SHARED_LIBSTDCXX_FILENAME}")
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ENDIF(CMAKE_COMPILER_IS_GNUCC)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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INCLUDE(Platform/UnixPaths)
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