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annotate Resources/CrossToolchain.cmake @ 3985:cb801e5b4411

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clarifying embedded resources
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 29 May 2020 10:14:26 +0200
parents a3e38994d95a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #
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2 # $ CROSSTOOL_NG_ARCH=mips CROSSTOOL_NG_BOARD=malta CROSSTOOL_NG_IMAGE=/tmp/mips cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=../Resources/CrossToolchain.cmake -DBUILD_CONNECTIVITY_CHECKS=OFF -DUSE_SYSTEM_CIVETWEB=OFF -DUSE_GOOGLE_TEST_DEBIAN_PACKAGE=ON -DUSE_SYSTEM_JSONCPP=OFF -DUSE_SYSTEM_UUID=OFF -DENABLE_DCMTK_JPEG_LOSSLESS=OFF -G Ninja && ninja
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3 #
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4
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5 INCLUDE(CMakeForceCompiler)
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6
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7 SET(CROSSTOOL_NG_ROOT $ENV{CROSSTOOL_NG_ROOT} CACHE STRING "")
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8 SET(CROSSTOOL_NG_ARCH $ENV{CROSSTOOL_NG_ARCH} CACHE STRING "")
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9 SET(CROSSTOOL_NG_BOARD $ENV{CROSSTOOL_NG_BOARD} CACHE STRING "")
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10 SET(CROSSTOOL_NG_SUFFIX $ENV{CROSSTOOL_NG_SUFFIX} CACHE STRING "")
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11 SET(CROSSTOOL_NG_IMAGE $ENV{CROSSTOOL_NG_IMAGE} CACHE STRING "")
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12
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13 IF ("${CROSSTOOL_NG_ROOT}" STREQUAL "")
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14 SET(CROSSTOOL_NG_ROOT "/home/$ENV{USER}/x-tools")
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15 ENDIF()
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16
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17 IF ("${CROSSTOOL_NG_SUFFIX}" STREQUAL "")
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18 SET(CROSSTOOL_NG_SUFFIX "linux-gnu")
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19 ENDIF()
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20
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21 SET(CROSSTOOL_NG_NAME ${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_BOARD}-${CROSSTOOL_NG_SUFFIX})
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22 SET(CROSSTOOL_NG_BASE ${CROSSTOOL_NG_ROOT}/${CROSSTOOL_NG_NAME})
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23
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24 # the name of the target operating system
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25 SET(CMAKE_SYSTEM_NAME Linux)
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26 SET(CMAKE_SYSTEM_VERSION CrossToolNg)
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27 SET(CMAKE_SYSTEM_PROCESSOR ${CROSSTOOL_NG_ARCH})
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28
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29 # which compilers to use for C and C++
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30 SET(CMAKE_C_COMPILER ${CROSSTOOL_NG_BASE}/bin/${CROSSTOOL_NG_NAME}-gcc)
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31
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32 if (${CMAKE_VERSION} VERSION_LESS "3.6.0")
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33 CMAKE_FORCE_CXX_COMPILER(${CROSSTOOL_NG_BASE}/bin/${CROSSTOOL_NG_NAME}-g++ GNU)
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34 else()
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35 SET(CMAKE_CXX_COMPILER ${CROSSTOOL_NG_BASE}/bin/${CROSSTOOL_NG_NAME}-g++)
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36 endif()
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37
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38 # here is the target environment located
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39 SET(CMAKE_FIND_ROOT_PATH ${CROSSTOOL_NG_IMAGE})
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40 #SET(CMAKE_FIND_ROOT_PATH ${CROSSTOOL_NG_BASE}/${CROSSTOOL_NG_NAME}/sysroot)
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41
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42 # adjust the default behaviour of the FIND_XXX() commands:
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43 # search headers and libraries in the target environment, search
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44 # programs in the host environment
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45 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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46 SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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47 SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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48 SET(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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49
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50 SET(CMAKE_CROSSCOMPILING ON)
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51 #SET(CROSS_COMPILER_PREFIX ${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_SUFFIX})
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52
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53 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I${CROSSTOOL_NG_IMAGE}/usr/include -I${CROSSTOOL_NG_IMAGE}/usr/include/${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_SUFFIX}" CACHE INTERNAL "" FORCE)
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54 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I${CROSSTOOL_NG_IMAGE}/usr/include -I${CROSSTOOL_NG_IMAGE}/usr/include/${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_SUFFIX}" CACHE INTERNAL "" FORCE)
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55 SET(CMAKE_EXE_LINKER_FLAGS "-Wl,--unresolved-symbols=ignore-in-shared-libs -L${CROSSTOOL_NG_BASE}/${CROSSTOOL_NG_NAME}/sysroot/usr/lib -L${CROSSTOOL_NG_IMAGE}/usr/lib -L${CROSSTOOL_NG_IMAGE}/usr/lib/${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_SUFFIX} -L${CROSSTOOL_NG_IMAGE}/lib -L${CROSSTOOL_NG_IMAGE}/lib/${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_SUFFIX}" CACHE INTERNAL "" FORCE)
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56 SET(CMAKE_SHARED_LINKER_FLAGS "-Wl,--unresolved-symbols=ignore-in-shared-libs -L${CROSSTOOL_NG_BASE}/${CROSSTOOL_NG_NAME}/sysroot/usr/lib -L${CROSSTOOL_NG_IMAGE}/usr/lib -L${CROSSTOOL_NG_IMAGE}/usr/lib/${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_SUFFIX} -L${CROSSTOOL_NG_IMAGE}/lib -L${CROSSTOOL_NG_IMAGE}/lib/${CROSSTOOL_NG_ARCH}-${CROSSTOOL_NG_SUFFIX}" CACHE INTERNAL "" FORCE)