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ae0c553c ST |
1 | #!/bin/sh |
2 | # SPDX-License-Identifier: GPL-2.0 | |
3 | # | |
4 | # clang-version [-p] clang-command | |
5 | # | |
6 | # Prints the compiler version of `clang-command' in a canonical 4-digit form | |
7 | # such as `0500' for clang-5.0 etc. | |
8 | # | |
9 | # With the -p option, prints the patchlevel as well, for example `050001' for | |
10 | # clang-5.0.1 etc. | |
11 | # | |
12 | ||
13 | if [ "$1" = "-p" ] ; then | |
14 | with_patchlevel=1; | |
15 | shift; | |
16 | fi | |
17 | ||
18 | compiler="$*" | |
19 | ||
20 | if [ ${#compiler} -eq 0 ]; then | |
21 | echo "Error: No compiler specified." | |
22 | printf "Usage:\n\t$0 <clang-command>\n" | |
23 | exit 1 | |
24 | fi | |
25 | ||
26 | MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1) | |
27 | MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1) | |
28 | if [ "x$with_patchlevel" != "x" ] ; then | |
29 | PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1) | |
30 | printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL | |
31 | else | |
32 | printf "%02d%02d\\n" $MAJOR $MINOR | |
33 | fi |