mirror of
https://github.com/torvalds/linux
synced 2024-10-19 09:49:29 +00:00
32 lines
967 B
Bash
32 lines
967 B
Bash
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#!/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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# libhugetlbfs
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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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echo "#include <sys/types.h>" > $tmpfile_c
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echo "#include <hugetlbfs.h>" >> $tmpfile_c
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echo "int func(void) { return 0; }" >> $tmpfile_c
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CC=${1:?"Usage: $0 <compiler> # example compiler: gcc"}
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$CC -c $tmpfile_c -o $tmpfile_o >/dev/null 2>&1
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if [ -f $tmpfile_o ]; then
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echo "#define LOCAL_CONFIG_HAVE_LIBHUGETLBFS 1" > $OUTPUT_H_FILE
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echo "HMM_EXTRA_LIBS = -lhugetlbfs" > $OUTPUT_MKFILE
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else
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echo "// No libhugetlbfs support found" > $OUTPUT_H_FILE
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echo "# No libhugetlbfs support found, so:" > $OUTPUT_MKFILE
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echo "HMM_EXTRA_LIBS = " >> $OUTPUT_MKFILE
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fi
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rm ${tmpname}.*
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