* gnu/packages/patches/libmpeg2-arm-private-symbols.patch, gnu/packages/patches/libmpeg2-global-symbol-test.patch: New files. * gnu/local.mk (dist_patch_DATA): Adjust accordingly. * gnu/packages/video.scm (libmpeg2)[source](patches): New field.
		
			
				
	
	
		
			63 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
Rewrite the public symbol check to verify the shared libraries, to check for
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more things, and to avoid duplication; fixes make check on ARM
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Taken from Debian:
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https://salsa.debian.org/multimedia-team/mpeg2dec/blob/master/debian/patches/61_global-symbol-test.patch
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--- mpeg2dec.orig/test/globals
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+++ mpeg2dec/test/globals
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@@ -1,4 +1,8 @@
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 #!/bin/sh
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+# TODO
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+# - fix checking of .a libs; problem is that "nm -g --defined-only" lists
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+#   internal symbols; this can be solved by using objdump, but it's probably
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+#   good enough to just run the tests on the shared lib
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 if test x"$srcdir" != x""; then
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     builddir="."	# running from make check, but it does not define that
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@@ -14,22 +18,30 @@ builddir=`cd $builddir;pwd`
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 error=0
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-bad_globals=`nm -g --defined-only $builddir/../libmpeg2/*.o |\
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-    awk '{if ($3) print $3}' | grep -v '^_\?mpeg2_'`
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-
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-if test x"$bad_globals" != x""; then
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-    echo BAD GLOBAL SYMBOLS:
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-    for s in $bad_globals; do echo $s; done
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+# check_bad_public_symbols <symbol prefix> <lib file> [<lib file>...]
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+#
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+# checks public symbols in shared libs:
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+# - allow prefix_anything
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+# - reject _prefixanything
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+# - allow _anything
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+# - reject anything else
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+#
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+# NB: skips missing files
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+check_bad_public_symbols() {
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+    symbols_prefix="$1"
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+    shift
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+    lib_files=`ls "$@" 2>/dev/null`
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+    [ -z "$lib_files" ] && return
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+    bad_globals=`nm -g --defined-only $lib_files |
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+        awk '{if ($3) print $3}' |
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+        sed -n "/^${symbols_prefix}_/ d; /^_${symbols_prefix}/ { p; d }; /^_/ d; p"`
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+    [ -z "$bad_globals" ] && return
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     error=1
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-fi
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-
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-bad_globals=`nm -g --defined-only $builddir/../libmpeg2/convert/*.o |\
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-    awk '{if ($3) print $3}' | grep -v '^_\?mpeg2convert_'`
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+    echo BAD GLOBAL SYMBOLS in $lib_files:
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+    echo "$bad_globals"
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+}
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-if test x"$bad_globals" != x""; then
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-    echo BAD GLOBAL SYMBOLS:
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-    for s in $bad_globals; do echo $s; done
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-    error=1
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-fi
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+check_bad_public_symbols mpeg2 $builddir/../libmpeg2/.libs/libmpeg2.so
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+check_bad_public_symbols mpeg2convert $builddir/../libmpeg2/convert/.libs/libmpeg2convert.so
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 exit $error
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