From 563c7bc51875dadf5caf85487e6844bb4abad4c0 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@server-speed.net>
Date: Sat, 5 Mar 2011 18:38:42 +0100
Subject: update find-so{deps,provides}.sh

Signed-off-by: Florian Pritz <bluewind@server-speed.net>
---
 find-sodeps.sh     | 21 +++++++++++++--------
 find-soprovides.sh | 30 ++++++++++++++++++------------
 2 files changed, 31 insertions(+), 20 deletions(-)

diff --git a/find-sodeps.sh b/find-sodeps.sh
index 8836906..b522cee 100755
--- a/find-sodeps.sh
+++ b/find-sodeps.sh
@@ -22,17 +22,22 @@ in_array() {
 	return 1 # Not Found
 }
 
-
 find . -type f | while read filename
 do
- soarch=$(objdump -a "$filename" 2>/dev/null | sed -rn 's/.* file format (.*)$/\1/p' | tr - _)
+	# get architecture of the file; if soarch is empty it's not an ELF binary
+	soarch=$(LC_ALL=C readelf -h "$filename" 2>/dev/null | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')
 	[ -n "$soarch" ] || continue
-	for sofile in $(readelf -d "$filename" 2> /dev/null | sed -nr 's/.*Shared library: \[(.*)\].*/\1/p')
+	# 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
-	soname=$(sed -rn 's/(.*)\.so.*/\1.so/p' <<< "$sofile")
-	if ! in_array "${soname}" ${sodepends[@]}; then
-    echo "${soname}"
-    sodepends=(${sodepends[@]} "${soname}")
-	fi
+		# extract the library name: libfoo.so
+		soname="${sofile%%\.so\.*}.so"
+		# extract the major version: 1
+		soversion="${sofile##*\.so\.}"
+		if ! in_array "${soname}=${soversion}-${soarch}" ${sodepends[@]}; then
+			# libfoo.so=1-64
+			echo "${soname}=${soversion}-${soarch}"
+			sodepends=(${sodepends[@]} "${soname}=${soversion}-${soarch}")
+		fi
 	done
 done
diff --git a/find-soprovides.sh b/find-soprovides.sh
index dee1078..452af1a 100755
--- a/find-soprovides.sh
+++ b/find-soprovides.sh
@@ -21,19 +21,25 @@ in_array() {
 	done
 	return 1 # Not Found
 }
-
 find . -type f -name \*.so\* | while read filename
 do
-  if readelf -h "$filename" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then
-    soarch=$(objdump -a "$filename" 2>/dev/null | sed -rn 's/.* file format (.*)$/\1/p' | tr - _)
-    sofile=$(readelf -d "$filename" 2>/dev/null | sed -nr 's/.*Library soname: \[(.*)\].*/\1/p')
-    [ -z "$sofile" ] && sofile="$(basename "$filename")"
-    
-    soname=$(sed -rn 's/(.*)\.so.*/\1.so/p' <<< "$sofile")
-    if ! in_array "${soname}" ${soprovides[@]}; then
-      echo "${soname}"
-      soprovides=(${soprovides[@]} "${soname}")
-    fi
-  fi
+	# check if we really have a shared object
+	if LC_ALL=C readelf -h "$filename" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then
+		# 64
+		soarch=$(LC_ALL=C readelf -h "$filename" | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')
+		# 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 "$sofile" ] && sofile="${$filename##*/}"
+
+		# extract the library name: libfoo.so
+		soname="${sofile%%\.so\.*}.so"
+		# extract the major version: 1
+		soversion="${sofile##*\.so\.}"
+		if ! in_array "${soname}=${soversion}-${soarch}" ${soprovides[@]}; then
+			# libfoo.so=1-64
+			echo "${soname}=${soversion}-${soarch}"
+			soprovides=(${soprovides[@]} "${soname}=${soversion}-${soarch}")
+		fi
+	fi
 done
 
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