a462a6a9e7
There are random build errors in test reports [1]. Build error is not directly related to DPDK but observed during DPDK build. When I get similar unexpected build errors in my system, found out that /dev/null is invalid. It seems ICC overwrites the /dev/null with "icc -o /dev/null" instead of sending output to /dev/null. This is not always reproducible, so hard to say what exactly is triggering the error. I suspect test-report build errors can be because of the same reason, and it is good to add a protection for this case. Instead of sending output to /dev/null save it to the tmp folder and remove it back when done. [1] http://dpdk.org/ml/archives/test-report/2017-November/034053.html Failure #3 /usr/src/linux-headers-4.4.0-97-generic/include/linux/sysfs.h:517:37: error: pointer targets in passing argument 2 of ‘kernfs_find_and_get’ differ in signedness [-Werror=pointer-sign] return kernfs_find_and_get(parent, name); Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
137 lines
3.4 KiB
Bash
Executable File
137 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# BSD LICENSE
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#
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# Copyright 2014-2015 6WIND S.A.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of 6WIND S.A. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Crude script to detect whether particular types, macros and functions are
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# defined by trying to compile a file with a given header. Can be used to
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# perform cross-platform checks since the resulting object file is not
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# executed.
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#
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# Set VERBOSE=1 in the environment to display compiler output and errors.
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#
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# CC, CPPFLAGS, CFLAGS, EXTRA_CPPFLAGS and EXTRA_CFLAGS are taken from the
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# environment.
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#
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# AUTO_CONFIG_CFLAGS may append additional CFLAGS without modifying the
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# above variables.
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file=${1:?output file name required (config.h)}
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macro=${2:?output macro name required (HAVE_*)}
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include=${3:?include name required (foo.h)}
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type=${4:?object type required (define, enum, type, field, func)}
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name=${5:?define/type/function name required}
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: ${CC:=cc}
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temp=/tmp/${0##*/}.$$.c
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case $type in
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define)
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code="\
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#ifndef $name
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#error $name not defined
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#endif
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"
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;;
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enum)
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code="\
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long test____ = $name;
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"
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;;
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type)
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code="\
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$name test____;
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"
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;;
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field)
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code="\
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void test____(void)
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{
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${name%%.*} test_____;
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(void)test_____.${name#*.};
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}
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"
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;;
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func)
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code="\
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void (*test____)() = (void (*)())$name;
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"
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;;
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*)
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unset error
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: ${error:?unknown object type \"$type\"}
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exit
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esac
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if [ "${VERBOSE}" = 1 ]
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then
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err=2
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out=1
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eol='
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'
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else
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exec 3> /dev/null ||
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exit
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err=3
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out=3
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eol=' '
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fi &&
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printf 'Looking for %s %s in %s.%s' \
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"${name}" "${type}" "${include}" "${eol}" &&
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printf "\
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#include <%s>
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%s
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" "$include" "$code" > "${temp}" &&
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if ${CC} ${CPPFLAGS} ${EXTRA_CPPFLAGS} ${CFLAGS} ${EXTRA_CFLAGS} \
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${AUTO_CONFIG_CFLAGS} \
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-c -o ${temp}.o "${temp}" 1>&${out} 2>&${err}
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then
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rm -f "${temp}" "${temp}.o"
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printf "\
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#ifndef %s
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#define %s 1
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#endif /* %s */
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" "${macro}" "${macro}" "${macro}" >> "${file}" &&
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printf 'Defining %s.\n' "${macro}"
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else
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rm -f "${temp}" "${temp}.o"
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printf "\
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/* %s is not defined. */
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" "${macro}" >> "${file}" &&
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printf 'Not defining %s.\n' "${macro}"
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fi
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exit
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