| 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 "$0")/../../.." | 
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| 35 | if [ -z "$EXPORT_DIR" ]; then | 
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| 36 | EXPORT_DIR="$SRC_ROOT/uspace/export" | 
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| 37 | fi | 
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| 38 | MAKEFILE_COMMON="$EXPORT_DIR"/Makefile.common | 
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| 39 | MAKEFILE_CONFIG="$EXPORT_DIR"/Makefile.config | 
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| 40 | CONFIG_MK="$EXPORT_DIR"/config.mk | 
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| 41 |  | 
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| 42 | # Extract simple 'name = value' variable definition from Makefile | 
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| 43 | function extract_field | 
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| 44 | { | 
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| 45 | field_name="$1" | 
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| 46 | file_name="$2" | 
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| 47 |  | 
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| 48 | sed -n "s/^$field_name \\{0,1\\}= \\{0,1\\}\\(.*\\)$/\\1/p" "$file_name" | \ | 
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| 49 | sed "s/^\"//" | sed "s/\"$//" | 
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| 50 | } | 
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| 51 |  | 
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| 52 | case ".$1" in | 
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| 53 | (.--cc) extract_field "CC" "$MAKEFILE_COMMON";; | 
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| 54 | (.--ld) extract_field "LD" "$MAKEFILE_COMMON";; | 
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| 55 | (.--uarch) extract_field "UARCH" "$MAKEFILE_CONFIG";; | 
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| 56 | (.--endian) | 
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| 57 | UARCH=`extract_field "UARCH" "$MAKEFILE_CONFIG"` | 
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| 58 | ENDIAN=`extract_field "ENDIANESS" "$SRC_ROOT/uspace/lib/c/arch/$UARCH/Makefile.common"` | 
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| 59 | echo "__${ENDIAN}__" | 
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| 60 | ;; | 
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| 61 | *.--cflags) extract_field "HELENOS_CFLAGS" "$CONFIG_MK";; | 
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| 62 | *.--ldflags) extract_field "HELENOS_LDFLAGS" "$CONFIG_MK";; | 
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| 63 | *.--install-dir) echo "$(realpath "$SRC_ROOT/uspace/overlay")";; | 
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| 64 | (*) | 
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| 65 | echo "Unknown option $1" >&2 | 
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| 66 | echo "Usage: helenos-bld-config <option>" >&2 | 
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| 67 | echo "        --cc" >&2 | 
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| 68 | echo "        --ld" >&2 | 
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| 69 | echo "        --uarch" >&2 | 
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| 70 | echo "        --endian" >&2 | 
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| 71 | echo "        --cflags" >&2 | 
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| 72 | echo "        --ldflags" >&2 | 
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| 73 | echo "        --install-dir" >&2 | 
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| 74 | exit 1;; | 
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| 75 | esac | 
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