mirror of
https://libwebsockets.org/repo/libwebsockets
synced 2024-11-21 08:37:52 +00:00
309b08d830
Fix build failure against Atmel ASF3 SDK that does not provide a file
API conforming to POSIX.
libwebsockets/lib/core/libwebsockets.c: In function 'lws_open':
libwebsockets/lib/core/libwebsockets.c:187:18: error: 'O_CREAT' undeclared (first use in this function)
if (((__oflag & O_CREAT) == O_CREAT)
^~~~~~~
120 lines
5.2 KiB
CMake
120 lines
5.2 KiB
CMake
#
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# CMake Toolchain file for crosscompiling on Atmel Arm products
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#
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# To build without tls
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#
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# cd build/
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# cmake .. -DCMAKE_INSTALL_PREFIX:PATH=/opt/atmel/cross-root \
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# -DCMAKE_TOOLCHAIN_FILE=../contrib/cross-atmel.cmake \
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# -DLWS_PLAT_FREERTOS=1 \
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# -DLWS_WITH_ZLIB=0 \
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# -DLWS_WITHOUT_EXTENSIONS=1 \
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# -DLWS_WITH_ZIP_FOPS=0 \
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# -DLWS_WITH_HTTP_STREAM_COMPRESSION=0 \
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# -DLWS_WITH_MBEDTLS=0 \
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# -DLWS_WITH_SSL=0 \
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# -DLWS_WITH_FILE_OPS=0
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#
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# I had to edit /opt/xdk-asf-3.48.0/thirdparty/lwip/lwip-port-1.4.1-dev/sam/include/arch/cc.h
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# to comment out #define LWIP_PROVIDE_ERRNO
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# if your sdk lives somewhere else, this is the only place that should need changing
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set(CROSS_BASE /opt/arm-none-eabi)
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set(SDK_BASE /opt/xdk-asf-3.48.0)
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set(CROSS_PATH ${CROSS_BASE}/bin/arm-none-eabi)
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set(LWIP_VER 1.4.1-dev)
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set(FREERTOS_VER 10.0.0)
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#
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# Target operating system name.
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set(CMAKE_SYSTEM_NAME Generic)
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# Name of C compiler.
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set(CMAKE_C_COMPILER "${CROSS_PATH}-gcc")
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#
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# cmake believes we should link a NOP test program OK, but since we're
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# baremetal, that's not true in our case. It tries to build this test
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# with the cross compiler, but with no args on it, and it fails.
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# So disable this test for this toolchain (we'll find out soon enough
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# if we actually can't compile anything)
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set(CMAKE_C_COMPILER_WORKS 1)
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set(CMAKE_CXX_COMPILER_WORKS 1)
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#
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# similarly we're building a .a like this, we can't actually build
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# complete test programs to probe api availability... so force some
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# key ones
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set(LWS_HAVE_mbedtls_ssl_conf_alpn_protocols 1)
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set(LWS_HAVE_mbedtls_ssl_conf_alpn_protocols 1)
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set(LWS_HAVE_mbedtls_ssl_get_alpn_protocol 1)
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set(LWS_HAVE_mbedtls_ssl_conf_sni 1)
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set(LWS_HAVE_mbedtls_ssl_set_hs_ca_chain 1)
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set(LWS_HAVE_mbedtls_ssl_set_hs_own_cert 1)
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set(LWS_HAVE_mbedtls_ssl_set_hs_authmode 1)
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set(LWS_HAVE_mbedtls_net_init 1)
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set(LWS_HAVE_mbedtls_md_setup 1) # not on xenial 2.2
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set(LWS_HAVE_mbedtls_rsa_complete 1) # not on xenial 2.2
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set(LWS_HAVE_mbedtls_internal_aes_encrypt 1)
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#
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# Different build system distros set release optimization level to different
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# things according to their local policy, eg, Fedora is -O2 and Ubuntu is -O3
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# here. Actually the build system's local policy is completely unrelated to
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# our desire for cross-build release optimization policy for code built to run
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# on a completely different target than the build system itself.
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#
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# Since this goes last on the compiler commandline we have to override it to a
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# sane value for cross-build here. Notice some gcc versions enable broken
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# optimizations with -O3.
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#
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if (CMAKE_BUILD_TYPE MATCHES RELEASE OR CMAKE_BUILD_TYPE MATCHES Release OR CMAKE_BUILD_TYPE MATCHES release)
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
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endif()
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set(PLAT_ARCH ARM_CM4F)
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set(PLAT_ARCH_CMSIS sam4e)
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set(PLAT_SOC __SAM4E16E__)
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set(PLAT_BOARD SAM4E_XPLAINED_PRO)
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set(CF_LWIP "${CF_LWIP} -I${SDK_BASE}/thirdparty/lwip/lwip-${LWIP_VER}/src/include/lwip")
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set(CF_LWIP "${CF_LWIP} -I${SDK_BASE}/thirdparty/lwip/lwip-${LWIP_VER}/src/include/posix")
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set(CF_LWIP "${CF_LWIP} -I${SDK_BASE}/thirdparty/lwip/lwip-${LWIP_VER}/src/include")
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set(CF_LWIP "${CF_LWIP} -I${SDK_BASE}/thirdparty/lwip/lwip-${LWIP_VER}/src/module_config")
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set(CF_LWIP "${CF_LWIP} -I${SDK_BASE}/thirdparty/lwip/lwip-port-${LWIP_VER}/sam/include")
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set(CF_LWIP "${CF_LWIP} -I${SDK_BASE}/thirdparty/lwip/lwip-${LWIP_VER}/src/include/ipv4")
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set(CF_FREERTOS "${CF_FREERTOS} -I${SDK_BASE}/thirdparty/freertos/freertos-${FREERTOS_VER}/Source/include")
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set(CF_FREERTOS "${CF_FREERTOS} -I${SDK_BASE}/thirdparty/freertos/freertos-${FREERTOS_VER}/module_config")
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set(CF_FREERTOS "${CF_FREERTOS} -I${SDK_BASE}/thirdparty/freertos/freertos-${FREERTOS_VER}/Source/portable/GCC/${PLAT_ARCH}")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/common/boards")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/common/utils")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/sam/utils/")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/sam/utils/preprocessor")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/sam/utils/header_files")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/sam/boards")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/sam/utils/cmsis/${PLAT_ARCH_CMSIS}/source/templates")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/sam/utils/cmsis/${PLAT_ARCH_CMSIS}/include")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/thirdparty/CMSIS/Include")
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set(CF_SDK_GLUE "${CF_SDK_GLUE} -I${SDK_BASE}/common/utils/osprintf")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -lnosys -nostartfiles ${CF_LWIP} ${CF_FREERTOS} ${CF_SDK_GLUE} -DBOARD=${PLAT_BOARD} -D${PLAT_SOC} -DLWIP_TIMEVAL_PRIVATE=0 -DLWS_AMAZON_RTOS=1 -DLWIP_SOCKET_OFFSET=0 -DLWIP_COMPAT_SOCKETS -DLWIP_DNS=1 -DLWIP_SOCKETS=1 " CACHE STRING "" FORCE)
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# Where to look for the target environment. (More paths can be added here)
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set(CMAKE_FIND_ROOT_PATH "${CROSS_PATH}")
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# Adjust the default behavior of the FIND_XXX() commands:
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# search programs in the host environment only.
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# Search headers and libraries in the target environment 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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