From 02bff180801515dfb155759bcd38179dec8914bf Mon Sep 17 00:00:00 2001
From: ljrittle <ljrittle@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 6 May 2002 21:26:49 +0000
Subject: [PATCH] * ltmain.sh: Detect and handle object name conflicts
while piecewise linking a static library.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53237 138bc75d-0d04-0410-961f-82ee72b054a4
---
ChangeLog | 5 +++++
ltmain.sh | 14 ++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 8c1f30bb65ff..0b7656b6850f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-05-06 Loren J. Rittle <ljrittle@acm.org>
+
+ * ltmain.sh: Detect and handle object name conflicts
+ while piecewise linking a static library.
+
2002-05-05 Alexandre Oliva <aoliva@redhat.com>
* configure.in (noconfigdirs): Don't disable libgcj on
diff --git a/ltmain.sh b/ltmain.sh
index c3547e5a5616..92526b60b795 100644
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -4247,6 +4247,20 @@ fi\
objlist=
concat_cmds=
save_oldobjs=$oldobjs
+ # GNU ar 2.10+ was changed to match POSIX; thus no paths are
+ # encoded into archives. This makes 'ar r' malfunction in
+ # this piecewise linking case whenever conflicting object
+ # names appear in distinct ar calls; check, warn and compensate.
+ if (for obj in $save_oldobjs
+ do
+ $echo "X$obj" | $Xsed -e 's%^.*/%%'
+ done | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ $echo "$modename: warning: object name conflicts; overriding AR_FLAGS to 'cq'" 1>&2
+ $echo "$modename: warning: to ensure that POSIX-compatible ar will work" 1>&2
+ AR_FLAGS=cq
+ fi
for obj in $save_oldobjs
do
oldobjs="$objlist $obj"
--
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