| 1 | #!/bin/bash
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| 2 | #
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| 3 | # Copyright (c) 2018 Jiri Svoboda
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| 4 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions
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| 8 | # are met:
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| 9 | #
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| 10 | # - Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # - Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | # - The name of the author may not be used to endorse or promote products
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| 16 | # derived from this software without specific prior written permission.
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| 17 | #
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | #
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| 29 | # Get build configration information
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| 30 | # HelenOS Cross Compiler Wrapper (XCW)
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| 31 | # Facilitate cross-compiling external software to HelenOS
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| 32 | #
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| 33 |
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| 34 | SRC_ROOT="$(dirname "$0")/../../.."
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| 35 | MAKEFILE_COMMON="$SRC_ROOT"/Makefile.common
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| 36 | MAKEFILE_CONFIG="$SRC_ROOT"/Makefile.config
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| 37 | CONFIG_MK="$SRC_ROOT"/uspace/export/config.mk
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| 38 |
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| 39 | # Extract simple 'name = value' variable definition from Makefile
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| 40 | function extract_field
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| 41 | {
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| 42 | field_name="$1"
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| 43 | file_name="$2"
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| 44 |
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| 45 | sed -n "s/^$field_name \\{0,1\\}= \\{0,1\\}\\(.*\\)$/\\1/p" "$file_name" | \
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| 46 | sed "s/^\"//" | sed "s/\"$//"
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| 47 | }
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| 48 |
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| 49 | case ".$1" in
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| 50 | (.--cc) extract_field "CC" "$MAKEFILE_COMMON";;
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| 51 | (.--ld) extract_field "LD" "$MAKEFILE_COMMON";;
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| 52 | (.--uarch) extract_field "UARCH" "$MAKEFILE_CONFIG";;
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| 53 | (.--endian)
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| 54 | UARCH=`extract_field "UARCH" "$MAKEFILE_CONFIG"`
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| 55 | ENDIAN=`extract_field "ENDIANESS" "$SRC_ROOT/uspace/lib/c/arch/$UARCH/Makefile.common"`
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| 56 | echo "__${ENDIAN}__"
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| 57 | ;;
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| 58 | *.--cflags) extract_field "HELENOS_CFLAGS" "$CONFIG_MK";;
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| 59 | *.--ldflags) extract_field "HELENOS_LDFLAGS" "$CONFIG_MK";;
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| 60 | *.--install-dir) echo "$(realpath "$SRC_ROOT/uspace/overlay")";;
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| 61 | (*)
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| 62 | echo "Unknown option $1" >&2
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| 63 | echo "Usage: helenos-bld-config <option>" >&2
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| 64 | echo " --cc" >&2
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| 65 | echo " --ld" >&2
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| 66 | echo " --uarch" >&2
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| 67 | echo " --endian" >&2
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| 68 | echo " --cflags" >&2
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| 69 | echo " --ldflags" >&2
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| 70 | echo " --install-dir" >&2
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| 71 | exit 1;;
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| 72 | esac
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