From 7c78599a61e3652f43fce33826aef7b443590b83 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Mon, 8 Aug 2011 17:58:12 +0200
Subject: [PATCH] add libdepends script
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Pierre Schmitz <pierre@archlinux.de>
---
.gitignore | 1 +
Makefile | 5 ++-
find-libdeps.in | 100 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 105 insertions(+), 1 deletion(-)
create mode 100644 find-libdeps.in
diff --git a/.gitignore b/.gitignore
index cd39b63..90a2015 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ makechrootpkg
mkarchroot
rebuildpkgs
zsh_completion
+find-libdeps
diff --git a/Makefile b/Makefile
index 980f529..cd6cbda 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,8 @@ BINPROGS = \
archbuild \
lddd \
finddeps \
- rebuildpkgs
+ rebuildpkgs \
+ find-libdeps
SBINPROGS = \
mkarchroot \
@@ -67,6 +68,7 @@ install:
install -m0644 ${CONFIGFILES} $(DESTDIR)$(PREFIX)/share/devtools
for l in ${COMMITPKG_LINKS}; do ln -sf commitpkg $(DESTDIR)$(PREFIX)/bin/$$l; done
for l in ${ARCHBUILD_LINKS}; do ln -sf archbuild $(DESTDIR)$(PREFIX)/bin/$$l; done
+ ln -sf find-libdeps $(DESTDIR)$(PREFIX)/bin/find-libprovides
install -Dm0644 bash_completion $(DESTDIR)/etc/bash_completion.d/devtools
install -Dm0644 zsh_completion $(DESTDIR)$(PREFIX)/share/zsh/site-functions/_devtools
ln -sf archco $(DESTDIR)$(PREFIX)/bin/communityco
@@ -80,6 +82,7 @@ uninstall:
rm $(DESTDIR)/etc/bash_completion.d/devtools
rm $(DESTDIR)$(PREFIX)/share/zsh/site-functions/_devtools
rm -f $(DESTDIR)$(PREFIX)/bin/communityco
+ rm -f $(DESTDIR)$(PREFIX)/bin/find-libprovides
dist:
git archive --format=tar --prefix=devtools-$(V)/ $(V) | gzip -9 > devtools-$(V).tar.gz
diff --git a/find-libdeps.in b/find-libdeps.in
new file mode 100644
index 0000000..8fff939
--- /dev/null
+++ b/find-libdeps.in
@@ -0,0 +1,100 @@
+#!/bin/bash
+
+set -e
+
+IGNORE_INTERNAL=0
+
+if [[ $1 = "--ignore-internal" ]]; then
+ IGNORE_INTERNAL=1
+ shift
+fi
+
+script_mode=${0##*/find-lib}
+
+case $script_mode in
+ deps|provides) true;;
+ *) echo "error: unknown mode $script_mode"; exit 1;;
+esac
+
+if [[ -z $1 ]]; then
+ echo "${0##*/} [options] <package file|extracted package dir>"
+ echo "Options:"
+ echo " --ignore-internal ignore internal libraries"
+ exit 1
+fi
+
+cleanup() {
+ if [[ $tmpdir ]]; then
+ rm -rf $tmpdir;
+ fi
+}
+
+if [[ -d $1 ]]; then
+ cd $1
+else
+ tmpdir=$(mktemp -d /tmp/find-sodeps.XXXXXXX)
+ trap "cleanup" EXIT INT TERM
+
+ case ${script_mode} in
+ deps) bsdtar -C $tmpdir -xf "$1";;
+ provides)bsdtar -C $tmpdir -xf "$1" --include="*.so*";;
+ esac
+
+ cd $tmpdir
+fi
+
+in_array() {
+ local needle=$1; shift
+ [[ -z $1 ]] && return 1 # Not Found
+ local item
+ for item in "$@"; do
+ [[ $item = $needle ]] && return 0 # Found
+ done
+ return 1 # Not Found
+}
+
+process_sofile() {
+ # extract the library name: libfoo.so
+ soname="${sofile%%\.so\.*}.so"
+ # extract the major version: 1
+ soversion="${sofile##*\.so\.}"
+ if [[ "$soversion" = "$sofile" ]] && (($IGNORE_INTERNAL)); then
+ continue
+ fi
+ if ! in_array "${soname}=${soversion}-${soarch}" ${soobjects[@]}; then
+ # libfoo.so=1-64
+ echo "${soname}=${soversion}-${soarch}"
+ soobjects=(${soobjects[@]} "${soname}=${soversion}-${soarch}")
+ fi
+}
+
+case $script_mode in
+ deps) find_args="-perm -u+x";;
+ provides) find_args="-name *.so*";;
+esac
+
+find . -type f $find_args | while read filename; do
+ if [[ $script_mode = "provides" ]]; then
+ # ignore if we don't have a shared object
+ if ! LC_ALL=C readelf -h "$filename" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then
+ continue
+ fi
+ fi
+
+ # get architecture of the file; if soarch is empty it's not an ELF binary
+ soarch=$(LC_ALL=C readelf -h "$filename" 2>/dev/null | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')
+ [ -n "$soarch" ] || continue
+
+ if [[ $script_mode = "provides" ]]; then
+ # get the string binaries link to: libfoo.so.1.2 -> libfoo.so.1
+ sofile=$(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -n 's/.*Library soname: \[\(.*\)\].*/\1/p')
+ [ -z "$sofile" ] && sofile="${filename##*/}"
+ process_sofile
+ elif [[ $script_mode = "deps" ]]; then
+ # process all libraries needed by the binary
+ for sofile in $(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -nr 's/.*Shared library: \[(.*)\].*/\1/p'); do
+ process_sofile
+ done
+ fi
+done
+
--
GitLab