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7f532d19c8
check_config.sh checks that liburing is available by running the compiler provided as its first argument. This makes two assumptions: 1. CC consists of only one word 2. No extra flag is required Unfortunately, there are many situations where these assumptions don't hold. For instance: - When using Clang, CC consists of multiple words - When cross-compiling, extra flags may be required to allow the compiler to find headers Remove these assumptions by passing down CC and CFLAGS as-is from the Makefile, so that the same command line is used as when actually building the tests. Link: https://lkml.kernel.org/r/20260122170224.4056513-4-kevin.brodsky@arm.com Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com> Reviewed-by: Mark Brown <broonie@kernel.org> Acked-by: David Hildenbrand (Red Hat) <david@kernel.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Dev Jain <dev.jain@arm.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: SeongJae Park <sj@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Usama Anjum <Usama.Anjum@arm.com> Cc: wang lian <lianux.mm@gmail.com> Cc: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
31 lines
893 B
Bash
Executable File
31 lines
893 B
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Probe for libraries and create header files to record the results. Both C
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# header files and Makefile include fragments are created.
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OUTPUT_H_FILE=local_config.h
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OUTPUT_MKFILE=local_config.mk
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tmpname=$(mktemp)
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tmpfile_c=${tmpname}.c
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tmpfile_o=${tmpname}.o
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# liburing
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echo "#include <sys/types.h>" > $tmpfile_c
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echo "#include <liburing.h>" >> $tmpfile_c
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echo "int func(void) { return 0; }" >> $tmpfile_c
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$CC $CFLAGS -c $tmpfile_c -o $tmpfile_o
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if [ -f $tmpfile_o ]; then
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echo "#define LOCAL_CONFIG_HAVE_LIBURING 1" > $OUTPUT_H_FILE
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echo "IOURING_EXTRA_LIBS = -luring" > $OUTPUT_MKFILE
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else
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echo "// No liburing support found" > $OUTPUT_H_FILE
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echo "# No liburing support found, so:" > $OUTPUT_MKFILE
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echo "IOURING_EXTRA_LIBS = " >> $OUTPUT_MKFILE
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fi
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rm ${tmpname}.*
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