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author | Michael Niedermayer <michaelni@gmx.at> | 2013-11-24 23:27:27 +0100 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2013-11-24 23:27:32 +0100 |
commit | 988bda8a691bfca7ad65f7f3e088673ad1c5afd5 (patch) | |
tree | e6779ac36c228d2163339b6cd8296f5a2964d659 /compat/windows/makedef | |
parent | e78d0381874f8449274b261c012f4964f7ede652 (diff) | |
parent | dedfa00107dbbb319d0e33faac683557b86d1007 (diff) | |
download | ffmpeg-streaming-988bda8a691bfca7ad65f7f3e088673ad1c5afd5.zip ffmpeg-streaming-988bda8a691bfca7ad65f7f3e088673ad1c5afd5.tar.gz |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
build: Import makedef script from c99-to-c89
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'compat/windows/makedef')
-rwxr-xr-x | compat/windows/makedef | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/compat/windows/makedef b/compat/windows/makedef new file mode 100755 index 0000000..fcaf108 --- /dev/null +++ b/compat/windows/makedef @@ -0,0 +1,132 @@ +#!/bin/sh + +# Copyright (c) 2013, Derek Buitenhuis +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +# mktemp isn't POSIX, so supply an implementation +mktemp() { + echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$" +} + +if [ $# -lt 2 ]; then + echo "Usage: makedef <version_script> <objects>" >&2 + exit 0 +fi + +vscript=$1 +shift + +if [ ! -f "$vscript" ]; then + echo "Version script does not exist" >&2 + exit 1 +fi + +for object in "$@"; do + if [ ! -f "$object" ]; then + echo "Object does not exist: ${object}" >&2 + exit 1 + fi +done + +# Create a lib temporarily to dump symbols from. +# It's just much easier to do it this way +libname=$(mktemp -u "library").lib + +trap 'rm -f -- $libname' EXIT + +lib -out:${libname} $@ >/dev/null +if [ $? != 0 ]; then + echo "Could not create temporary library." >&2 + exit 1 +fi + +IFS=' +' + +# Determine if we're building for x86 or x86_64 and +# set the symbol prefix accordingly. +prefix="" +arch=$(dumpbin -headers ${libname} | + tr '\t' ' ' | + grep '^ \+.\+machine \+(.\+)' | + head -1 | + sed -e 's/^ \{1,\}.\{1,\} \{1,\}machine \{1,\}(\(...\)).*/\1/') + +if [ "${arch}" = "x86" ]; then + prefix="_" +else + if [ "${arch}" != "ARM" ] && [ "${arch}" != "x64" ]; then + echo "Unknown machine type." >&2 + exit 1 + fi +fi + +started=0 +regex="none" + +for line in $(cat ${vscript} | tr '\t' ' '); do + # We only care about global symbols + echo "${line}" | grep -q '^ \+global:' + if [ $? = 0 ]; then + started=1 + line=$(echo "${line}" | sed -e 's/^ \{1,\}global: *//') + else + echo "${line}" | grep -q '^ \+local:' + if [ $? = 0 ]; then + started=0 + fi + fi + + if [ ${started} = 0 ]; then + continue + fi + + # Handle multiple symbols on one line + IFS=';' + + # Work around stupid expansion to filenames + line=$(echo "${line}" | sed -e 's/\*/.\\+/g') + for exp in ${line}; do + # Remove leading and trailing whitespace + exp=$(echo "${exp}" | sed -e 's/^ *//' -e 's/ *$//') + + if [ "${regex}" = "none" ]; then + regex="${exp}" + else + regex="${regex};${exp}" + fi + done + + IFS=' +' +done + +dump=$(dumpbin -linkermember:1 ${libname}) + +rm ${libname} + +IFS=';' +list="" +for exp in ${regex}; do + list="${list}"' +'$(echo "${dump}" | + sed -e '/public symbols/,$!d' -e '/^ \{1,\}Summary/,$d' -e "s/ \{1,\}${prefix}/ /" -e 's/ \{1,\}/ /g' | + tail -n +2 | + cut -d' ' -f3 | + grep "^${exp}" | + sed -e 's/^/ /') +done + +echo "EXPORTS" +echo "${list}" | sort | uniq | tail -n +2 |