mirror of https://github.com/FFmpeg/FFmpeg.git
This allows MSVC 2013 and ICL to build with no external dependencies. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>pull/49/head
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#!/bin/sh |
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# Copyright (c) 2013, Derek Buitenhuis |
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# |
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# Permission to use, copy, modify, and/or distribute this software for any |
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# purpose with or without fee is hereby granted, provided that the above |
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# copyright notice and this permission notice appear in all copies. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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# mktemp isn't POSIX, so supply an implementation |
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mktemp() { |
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echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$" |
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} |
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if [ $# -lt 2 ]; then |
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echo "Usage: makedef <version_script> <objects>" >&2 |
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exit 0 |
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fi |
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vscript=$1 |
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shift |
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if [ ! -f "$vscript" ]; then |
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echo "Version script does not exist" >&2 |
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exit 1 |
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fi |
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for object in "$@"; do |
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if [ ! -f "$object" ]; then |
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echo "Object does not exist: ${object}" >&2 |
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exit 1 |
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fi |
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done |
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# Create a lib temporarily to dump symbols from. |
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# It's just much easier to do it this way |
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libname=$(mktemp -u "library").lib |
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trap 'rm -f -- $libname' EXIT |
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lib -out:${libname} $@ >/dev/null |
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if [ $? != 0 ]; then |
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echo "Could not create temporary library." >&2 |
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exit 1 |
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fi |
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IFS=' |
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' |
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# Determine if we're building for x86 or x86_64 and |
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# set the symbol prefix accordingly. |
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prefix="" |
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arch=$(dumpbin -headers ${libname} | |
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tr '\t' ' ' | |
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grep '^ \+.\+machine \+(.\+)' | |
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head -1 | |
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sed -e 's/^ \{1,\}.\{1,\} \{1,\}machine \{1,\}(\(...\)).*/\1/') |
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if [ "${arch}" = "x86" ]; then |
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prefix="_" |
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else |
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if [ "${arch}" != "ARM" ] && [ "${arch}" != "x64" ]; then |
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echo "Unknown machine type." >&2 |
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exit 1 |
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fi |
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fi |
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started=0 |
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regex="none" |
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for line in $(cat ${vscript} | tr '\t' ' '); do |
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# We only care about global symbols |
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echo "${line}" | grep -q '^ \+global:' |
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if [ $? = 0 ]; then |
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started=1 |
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line=$(echo "${line}" | sed -e 's/^ \{1,\}global: *//') |
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else |
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echo "${line}" | grep -q '^ \+local:' |
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if [ $? = 0 ]; then |
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started=0 |
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fi |
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fi |
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if [ ${started} = 0 ]; then |
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continue |
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fi |
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# Handle multiple symbols on one line |
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IFS=';' |
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# Work around stupid expansion to filenames |
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line=$(echo "${line}" | sed -e 's/\*/.\\+/g') |
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for exp in ${line}; do |
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# Remove leading and trailing whitespace |
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exp=$(echo "${exp}" | sed -e 's/^ *//' -e 's/ *$//') |
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if [ "${regex}" = "none" ]; then |
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regex="${exp}" |
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else |
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regex="${regex};${exp}" |
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fi |
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done |
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IFS=' |
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' |
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done |
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dump=$(dumpbin -linkermember:1 ${libname}) |
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rm ${libname} |
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IFS=';' |
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list="" |
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for exp in ${regex}; do |
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list="${list}"' |
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'$(echo "${dump}" | |
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sed -e '/public symbols/,$!d' -e '/^ \{1,\}Summary/,$d' -e "s/ \{1,\}${prefix}/ /" -e 's/ \{1,\}/ /g' | |
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tail -n +2 | |
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cut -d' ' -f3 | |
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grep "^${exp}" | |
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sed -e 's/^/ /') |
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done |
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echo "EXPORTS" |
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echo "${list}" | sort | uniq | tail -n +2 |
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