![Romain Naour](/assets/img/avatar_default.png)
See https://sourceforge.net/p/openpowerlink/news/2017/05/openpowerlink-v260 Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
167 lines
6.4 KiB
Diff
167 lines
6.4 KiB
Diff
From 88c0af910edd156075acf04d8497f541ed377d4b Mon Sep 17 00:00:00 2001
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From: Romain Naour <romain.naour@gmail.com>
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Date: Sun, 28 May 2017 00:25:11 +0200
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Subject: [PATCH] use pcap-config to fix static linking with libpcap
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When linking demo_mn_console statically with pcap, the CMake build
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system forget to link with other libraries linked with libpcap
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(-lnl-genl-3 -lnl-3 -ldbus-1 -pthread).
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[100%] Linking C executable demo_mn_console
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lib64/libpcap.a(pcap-linux.o): In function nl80211_init': pcap-linux.c:(.text+0x41e): undefined reference tonl_socket_alloc'
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To fix this, the build system could use pcap-config:
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pcap-config --libs --static
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-L/path/to/sysroot/usr/lib -lpcap -L/path/to/sysroot/usr/lib/.libs
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-lnl-genl-3 -lnl-3 -L/path/to/sysroot/usr/lib -ldbus-1 -pthread
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Fixes:
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http://autobuild.buildroot.net/results/f43/f437d09ac6c689c911e1885b95da33b692f2cb3c
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http://autobuild.buildroot.net/results/385/3859dc0f4de7e3284a96d5841f040f69f71842df
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https://github.com/OpenAutomationTechnologies/openPOWERLINK_V2/issues/187
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Signed-off-by: Romain Naour <romain.naour@gmail.com>
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---
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apps/demo_cn_console/linux.cmake | 20 ++++++++++++++++++++
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apps/demo_mn_console/linux.cmake | 20 ++++++++++++++++++++
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apps/demo_mn_qt/linux.cmake | 22 +++++++++++++++++++++-
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drivers/linux/drv_daemon_pcap/CMakeLists.txt | 22 +++++++++++++++++++++-
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4 files changed, 82 insertions(+), 2 deletions(-)
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diff --git a/apps/demo_cn_console/linux.cmake b/apps/demo_cn_console/linux.cmake
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index 1c6f51c..7752917 100644
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--- a/apps/demo_cn_console/linux.cmake
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+++ b/apps/demo_cn_console/linux.cmake
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@@ -46,8 +46,28 @@ SET (DEMO_ARCH_SOURCES
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################################################################################
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# Set architecture specific libraries
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+IF (NOT CFG_COMPILE_SHARED_LIBRARY)
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+ SET(PCAP_CONFIG_OPTS --static)
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+ENDIF()
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+
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IF (CFG_KERNEL_STACK_DIRECTLINK OR CFG_KERNEL_STACK_USERSPACE_DAEMON)
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+
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+find_program(PCAP_CONFIG NAMES pcap-config PATHS)
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+
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+if (PCAP_CONFIG)
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+ message (STATUS "Looking for pcap-config... ${PCAP_CONFIG}")
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+
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+ execute_process (COMMAND ${PCAP_CONFIG} --libs ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_LDFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+ execute_process (COMMAND ${PCAP_CONFIG} --cflags ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_CFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+
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+ SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} ${PCAP_LDFLAGS})
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+else (PCAP_CONFIG)
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+ message (STATUS "pcap-config not found, using defaults...")
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SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} pcap)
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+endif (PCAP_CONFIG)
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+
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ENDIF (CFG_KERNEL_STACK_DIRECTLINK OR CFG_KERNEL_STACK_USERSPACE_DAEMON)
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SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} pthread rt)
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diff --git a/apps/demo_mn_console/linux.cmake b/apps/demo_mn_console/linux.cmake
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index d24e4fc..5951dbf 100644
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--- a/apps/demo_mn_console/linux.cmake
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+++ b/apps/demo_mn_console/linux.cmake
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@@ -46,8 +46,28 @@ SET (DEMO_ARCH_SOURCES
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################################################################################
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# Set architecture specific libraries
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+IF (NOT CFG_COMPILE_SHARED_LIBRARY)
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+ SET(PCAP_CONFIG_OPTS --static)
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+ENDIF()
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+
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IF (CFG_KERNEL_STACK_DIRECTLINK OR CFG_KERNEL_STACK_USERSPACE_DAEMON)
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+
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+find_program(PCAP_CONFIG NAMES pcap-config PATHS)
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+
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+if (PCAP_CONFIG)
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+ message (STATUS "Looking for pcap-config... ${PCAP_CONFIG}")
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+
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+ execute_process (COMMAND ${PCAP_CONFIG} --libs ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_LDFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+ execute_process (COMMAND ${PCAP_CONFIG} --cflags ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_CFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+
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+ SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} ${PCAP_LDFLAGS})
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+else (PCAP_CONFIG)
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+ message (STATUS "pcap-config not found, using defaults...")
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SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} pcap)
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+endif (PCAP_CONFIG)
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+
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ENDIF (CFG_KERNEL_STACK_DIRECTLINK OR CFG_KERNEL_STACK_USERSPACE_DAEMON)
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SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} pthread rt)
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diff --git a/apps/demo_mn_qt/linux.cmake b/apps/demo_mn_qt/linux.cmake
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index 6ed75ee..c69dbd9 100644
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--- a/apps/demo_mn_qt/linux.cmake
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+++ b/apps/demo_mn_qt/linux.cmake
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@@ -37,8 +37,28 @@
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################################################################################
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# Set architecture specific libraries
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+IF (NOT CFG_COMPILE_SHARED_LIBRARY)
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+ SET(PCAP_CONFIG_OPTS --static)
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+ENDIF()
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+
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IF(CFG_KERNEL_STACK_DIRECTLINK OR CFG_KERNEL_STACK_USERSPACE_DAEMON)
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- SET(ARCH_LIBRARIES ${ARCH_LIBRARIES} pcap)
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+
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+find_program(PCAP_CONFIG NAMES pcap-config PATHS)
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+
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+if (PCAP_CONFIG)
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+ message (STATUS "Looking for pcap-config... ${PCAP_CONFIG}")
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+
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+ execute_process (COMMAND ${PCAP_CONFIG} --libs ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_LDFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+ execute_process (COMMAND ${PCAP_CONFIG} --cflags ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_CFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+
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+ SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} ${PCAP_LDFLAGS})
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+else (PCAP_CONFIG)
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+ message (STATUS "pcap-config not found, using defaults...")
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+ SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} pcap)
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+endif (PCAP_CONFIG)
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+
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ENDIF()
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SET(ARCH_LIBRARIES ${ARCH_LIBRARIES} pthread rt)
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diff --git a/drivers/linux/drv_daemon_pcap/CMakeLists.txt b/drivers/linux/drv_daemon_pcap/CMakeLists.txt
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index ecceb4c..b362a34 100644
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--- a/drivers/linux/drv_daemon_pcap/CMakeLists.txt
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+++ b/drivers/linux/drv_daemon_pcap/CMakeLists.txt
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@@ -140,7 +140,27 @@ INCLUDE_DIRECTORIES(
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${CONTRIB_SOURCE_DIR}
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)
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-SET (ARCH_LIBRARIES pcap pthread rt)
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+IF (NOT CFG_COMPILE_SHARED_LIBRARY)
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+ SET(PCAP_CONFIG_OPTS --static)
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+ENDIF()
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+
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+find_program(PCAP_CONFIG NAMES pcap-config PATHS)
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+
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+if (PCAP_CONFIG)
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+ message (STATUS "Looking for pcap-config... ${PCAP_CONFIG}")
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+
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+ execute_process (COMMAND ${PCAP_CONFIG} --libs ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_LDFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+ execute_process (COMMAND ${PCAP_CONFIG} --cflags ${PCAP_CONFIG_OPTS}
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+ OUTPUT_VARIABLE PCAP_CFLAGS OUTPUT_STRIP_TRAILING_WHITESPACE)
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+
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+ SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} ${PCAP_LDFLAGS})
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+else (PCAP_CONFIG)
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+ message (STATUS "pcap-config not found, using defaults...")
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+ SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} pcap)
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+endif (PCAP_CONFIG)
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+
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+SET (ARCH_LIBRARIES ${ARCH_LIBRARIES} pthread rt)
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ADD_EXECUTABLE(${EXE_NAME} ${DRV_SOURCES})
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SET_PROPERTY(TARGET ${EXE_NAME} PROPERTY COMPILE_DEFINITIONS_DEBUG DEBUG;DEF_DEBUG_LVL=${CFG_DEBUG_LVL})
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--
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2.9.4
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