mirror of
https://github.com/kasmtech/KasmVNC.git
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68 lines
2.7 KiB
Diff
68 lines
2.7 KiB
Diff
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>From 7a15d1c9a908afe429c1aba1c27516d18bdea299 Mon Sep 17 00:00:00 2001
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From: DRC <information@virtualgl.org>
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Date: Tue, 26 Feb 2013 03:37:12 -0600
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Subject: [PATCH 1/4] Add BUILD_STATIC feature from TigerVNC to (optionally)
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prevent FLTK from depending on libgcc and libstdc++
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---
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CMakeLists.txt | 43 +++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 43 insertions(+)
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index a1ee285..7d9d94b 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -150,6 +150,49 @@ mark_as_advanced(LIB_CAIRO LIB_fontconfig LIB_freetype)
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mark_as_advanced(LIB_GL LIB_MesaGL)
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mark_as_advanced(LIB_jpeg LIB_png LIB_zlib)
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+# This ensures that we don't depend on libstdc++ or libgcc
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+if(CMAKE_COMPILER_IS_GNUCXX AND NOT APPLE AND NOT CYGWIN)
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+ option(BUILD_STATIC
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+ "Link statically against libgcc and libstdc++, if possible" OFF)
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+ if(BUILD_STATIC)
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+ # For some reason, simply passing ${CMAKE_CXX_FLAGS} to the compiler in
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+ # execute_process() doesn't work. Grrr...
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+ if(CMAKE_SIZEOF_VOID_P MATCHES 8)
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+ execute_process(COMMAND ${CMAKE_CXX_COMPILER} -m64
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+ --print-file-name=libstdc++.a OUTPUT_VARIABLE LIBSTDCPLUSPLUS
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+ RESULT_VARIABLE RESULT)
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+ else()
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+ execute_process(COMMAND ${CMAKE_CXX_COMPILER} -m32
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+ --print-file-name=libstdc++.a OUTPUT_VARIABLE LIBSTDCPLUSPLUS
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+ RESULT_VARIABLE RESULT)
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+ endif()
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+ string(REGEX REPLACE "\n" "" LIBSTDCPLUSPLUS ${LIBSTDCPLUSPLUS})
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+ if(RESULT MATCHES 0 AND LIBSTDCPLUSPLUS)
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+ message(STATUS "Linking with static libstdc++:\n ${LIBSTDCPLUSPLUS}")
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+ file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/staticlib)
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+ execute_process(COMMAND ${CMAKE_COMMAND} -E remove
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+ ${CMAKE_BINARY_DIR}/staticlib/libstdc++.a)
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+ if(MINGW)
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+ execute_process(COMMAND ${CMAKE_COMMAND} -E copy
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+ ${LIBSTDCPLUSPLUS} ${CMAKE_BINARY_DIR}/staticlib/libstdc++.a)
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+ else()
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+ execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
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+ ${LIBSTDCPLUSPLUS} ${CMAKE_BINARY_DIR}/staticlib/libstdc++.a)
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+ endif()
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+ set(CMAKE_EXE_LINKER_FLAGS
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+ "${CMAKE_EXE_LINKER_FLAGS} -L${CMAKE_BINARY_DIR}/staticlib")
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+ set(CMAKE_SHARED_LINKER_FLAGS
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+ "${CMAKE_SHARED_LINKER_FLAGS} -L${CMAKE_BINARY_DIR}/staticlib")
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+ else()
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+ message(WARNING Cannot find static libstdc++. TigerVNC will depend on dynamic libstdc++.)
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+ endif()
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+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libgcc")
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+ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc")
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+ set(CMAKE_SHARED_LINKER_FLAGS
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+ "${CMAKE_SHARED_LINKER_FLAGS} -static-libgcc")
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+ endif()
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+endif()
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+
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#######################################################################
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# functions
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include(CheckFunctionExists)
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--
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1.8.1.3
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