From fa1361480f0b9a1154579a21668a249d0bce6126 Mon Sep 17 00:00:00 2001
From: jbj <devnull@localhost>
Date: Tue, 9 Apr 2002 21:36:47 +0000
Subject: Use NEEDED from objdump, not ldd, to auto-generate Requires:.

CVS patchset: 5385
CVS date: 2002/04/09 21:36:47
---
 autodeps/linux.req | 41 ++++++++++++++++++++++++++++-------------
 1 file changed, 28 insertions(+), 13 deletions(-)

(limited to 'autodeps')

diff --git a/autodeps/linux.req b/autodeps/linux.req
index 1f51a2281..00a706dfb 100644
--- a/autodeps/linux.req
+++ b/autodeps/linux.req
@@ -7,6 +7,16 @@
 
 ulimit -c 0
 
+#
+# --- Set needed to 0 for traditional find-requires behavior.
+if [ X"$1" = Xldd ]; then
+    needed=0
+else
+    needed=1
+fi
+
+#
+# --- Grab the file manifest and classify files.
 filelist=`sed "s/['\"]/\\\&/g"`
 exelist=`echo $filelist | xargs -r file | egrep -v ":.* (commands|script) " | \
 	grep ":.*executable" | cut -d: -f1`
@@ -27,9 +37,10 @@ case `uname -m` in
   *)		mark64="()(64bit)" ;;
 esac
 
+if [ "$needed" -eq 0 ]; then
 #
-# --- Executable sonames.
-for f in $exelist; do
+# --- Executable dependency sonames.
+  for f in $exelist; do
     [ -r $f -a -x $f ] || continue
     lib64=`if file -L $f 2>/dev/null | \
 	grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
@@ -39,11 +50,11 @@ for f in $exelist; do
 	    printf "%s'$lib64'\n", $1
 	}
     }'
-done | xargs -r -n 1 basename | sort -u
+  done | xargs -r -n 1 basename | sort -u
 
 #
-# --- Library sonames.
-for f in $liblist; do
+# --- Library dependency sonames.
+  for f in $liblist; do
     [ -r $f ] || continue
     lib64=`if file -L $f 2>/dev/null | \
 	grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
@@ -53,7 +64,8 @@ for f in $liblist; do
 	    printf "%s'$lib64'\n", $1
 	}
     }'
-done | xargs -r -n 1 basename | sort -u
+  done | xargs -r -n 1 basename | sort -u
+fi
 
 #
 # --- Script interpreters.
@@ -68,7 +80,7 @@ done
 [ -n "$interplist" ] && { echo "$interplist" | tr '[:blank:]' \\n | sort -u ; }
 
 #
-# --- Find perl module files.
+# --- Add perl module files to perllist.
 for f in $filelist; do
     [ -r $f -a "${f%.pm}" != "${f}" ] && perllist="$perllist $f"
 done
@@ -80,17 +92,20 @@ for f in $liblist $exelist ; do
     [ -r $f ] || continue
     lib64=`if file -L $f 2>/dev/null | \
 	grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
-    objdump -p $f | awk '
-	BEGIN { START=0; LIBNAME=""; }
-	/Version References:/ { START=1; }
-	/required from/ && (START==1) {
+    objdump -p $f | awk 'BEGIN { START=0; LIBNAME=""; needed='$needed'; }
+	/^$/ { START=0; }
+	/^Dynamic Section:$/ { START=1; }
+	(START==1) && /NEEDED/ {
+	    if (needed) { print $2 ; }
+	}
+	/^Version References:$/ { START=2; }
+	(START==2) && /required from/ {
 	    sub(/:/, "", $3);
 	    LIBNAME=$3;
 	}
-	(START==1) && (LIBNAME!="") && ($4!="") && (($4~/^GLIBC_*/) || ($4~/^GCC_*/)) {
+	(START==2) && (LIBNAME!="") && ($4!="") && (($4~/^GLIBC_*/) || ($4~/^GCC_*/)) {
 	    print LIBNAME "(" $4 ")'$lib64'";
 	}
-	/^$/ { START=0; }
     '
 done | sort -u
 
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