e8c3755676
This change enforces the CMAKE_SYSROOT value set in the toolchainfile.cmake. This fix overrides the CMake heuristics used to guess it, and turns off some non-desirable behavior adding "-isystem ..." flags to the compiler command line, misleading the compiler and making the build failed due to some unfound standard headers. Fixes: http://autobuild.buildroot.net/results/f7e/f7e92678e91a6cb15ccf32d4a7d75b39f49d6000/defconfig (and others) Cc: Ben Boeckel <mathstuf@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Samuel Martin <s.martin49@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
37 lines
1.7 KiB
CMake
37 lines
1.7 KiB
CMake
#
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# Automatically generated file; DO NOT EDIT.
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# CMake toolchain file for Buildroot
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#
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# In order to allow the toolchain to be relocated, we calculate the
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# HOST_DIR based on this file's location: $(HOST_DIR)/usr/share/buildroot
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# and store it in RELOCATED_HOST_DIR.
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# All the other variables that need to refer to HOST_DIR will use the
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# RELOCATED_HOST_DIR variable.
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string(REPLACE "/usr/share/buildroot" "" RELOCATED_HOST_DIR ${CMAKE_CURRENT_LIST_DIR})
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR @@CMAKE_SYSTEM_PROCESSOR@@)
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set(CMAKE_C_FLAGS "@@TARGET_CFLAGS@@ ${CMAKE_C_FLAGS}" CACHE STRING "Buildroot CFLAGS")
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set(CMAKE_CXX_FLAGS "@@TARGET_CXXFLAGS@@ ${CMAKE_CXX_FLAGS}" CACHE STRING "Buildroot CXXFLAGS")
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set(CMAKE_EXE_LINKER_FLAGS "@@TARGET_LDFLAGS@@ ${CMAKE_EXE_LINKER_FLAGS}" CACHE STRING "Buildroot LDFLAGS")
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set(CMAKE_INSTALL_SO_NO_EXE 0)
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set(CMAKE_PROGRAM_PATH "${RELOCATED_HOST_DIR}/usr/bin")
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set(CMAKE_SYSROOT "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
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set(CMAKE_FIND_ROOT_PATH "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(ENV{PKG_CONFIG_SYSROOT_DIR} "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
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# This toolchain file can be used both inside and outside Buildroot.
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set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC@@")
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set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX@@")
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if(@@TOOLCHAIN_HAS_FORTRAN@@)
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set(CMAKE_Fortran_FLAGS "@@TARGET_FCFLAGS@@ ${CMAKE_Fortran_FLAGS}" CACHE STRING "Buildroot FCFLAGS")
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set(CMAKE_Fortran_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_FC@@")
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endif()
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