Brad Bishop | 1932369 | 2019-04-05 15:28:33 -0400 | [diff] [blame] | 1 | Rewrite the public symbol check to verify the shared libraries, to check for |
| 2 | more things, and to avoid duplication; fixes make check on ARM |
| 3 | |
| 4 | Taken From |
| 5 | https://sources.debian.org/src/mpeg2dec/0.5.1-8/debian/patches/61_global-symbol-test.patch/ |
| 6 | |
| 7 | Upstream-Status: Pending |
| 8 | |
| 9 | Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| 10 | --- |
| 11 | test/globals | 42 +++++++++++++++++++++++++++--------------- |
| 12 | 1 file changed, 27 insertions(+), 15 deletions(-) |
| 13 | |
| 14 | --- mpeg2dec.orig/test/globals |
| 15 | +++ mpeg2dec/test/globals |
| 16 | @@ -1,4 +1,8 @@ |
| 17 | #!/bin/sh |
| 18 | +# TODO |
| 19 | +# - fix checking of .a libs; problem is that "nm -g --defined-only" lists |
| 20 | +# internal symbols; this can be solved by using objdump, but it's probably |
| 21 | +# good enough to just run the tests on the shared lib |
| 22 | |
| 23 | if test x"$srcdir" != x""; then |
| 24 | builddir="." # running from make check, but it does not define that |
| 25 | @@ -14,22 +18,30 @@ builddir=`cd $builddir;pwd` |
| 26 | |
| 27 | error=0 |
| 28 | |
| 29 | -bad_globals=`nm -g --defined-only $builddir/../libmpeg2/*.o |\ |
| 30 | - awk '{if ($3) print $3}' | grep -v '^_\?mpeg2_'` |
| 31 | - |
| 32 | -if test x"$bad_globals" != x""; then |
| 33 | - echo BAD GLOBAL SYMBOLS: |
| 34 | - for s in $bad_globals; do echo $s; done |
| 35 | +# check_bad_public_symbols <symbol prefix> <lib file> [<lib file>...] |
| 36 | +# |
| 37 | +# checks public symbols in shared libs: |
| 38 | +# - allow prefix_anything |
| 39 | +# - reject _prefixanything |
| 40 | +# - allow _anything |
| 41 | +# - reject anything else |
| 42 | +# |
| 43 | +# NB: skips missing files |
| 44 | +check_bad_public_symbols() { |
| 45 | + symbols_prefix="$1" |
| 46 | + shift |
| 47 | + lib_files=`ls "$@" 2>/dev/null` |
| 48 | + [ -z "$lib_files" ] && return |
| 49 | + bad_globals=`nm -g --defined-only $lib_files | |
| 50 | + awk '{if ($3) print $3}' | |
| 51 | + sed -n "/^${symbols_prefix}_/ d; /^_${symbols_prefix}/ { p; d }; /^_/ d; p"` |
| 52 | + [ -z "$bad_globals" ] && return |
| 53 | error=1 |
| 54 | -fi |
| 55 | - |
| 56 | -bad_globals=`nm -g --defined-only $builddir/../libmpeg2/convert/*.o |\ |
| 57 | - awk '{if ($3) print $3}' | grep -v '^_\?mpeg2convert_'` |
| 58 | + echo BAD GLOBAL SYMBOLS in $lib_files: |
| 59 | + echo "$bad_globals" |
| 60 | +} |
| 61 | |
| 62 | -if test x"$bad_globals" != x""; then |
| 63 | - echo BAD GLOBAL SYMBOLS: |
| 64 | - for s in $bad_globals; do echo $s; done |
| 65 | - error=1 |
| 66 | -fi |
| 67 | +check_bad_public_symbols mpeg2 $builddir/../libmpeg2/.libs/libmpeg2.so |
| 68 | +check_bad_public_symbols mpeg2convert $builddir/../libmpeg2/convert/.libs/libmpeg2convert.so |
| 69 | |
| 70 | exit $error |