From: H.J. Lu <hjl@gnu.org>
Date: Thu, 11 Dec 1997 18:19:38 +0000 (+0000)
Subject: * configure.in (target frags): Add *-linux-gnu.
X-Git-Tag: releases/libf2c-0.5.21~397
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f49b1654d331d48b5c268e5bdd4b08cb2ea732bb;p=thirdparty%2Fgcc.git

* configure.in (target frags): Add *-linux-gnu.

From-SVN: r17041
---

diff --git a/libio/ChangeLog b/libio/ChangeLog
index 3e730b679dbf..39731537eb6a 100644
--- a/libio/ChangeLog
+++ b/libio/ChangeLog
@@ -1,3 +1,7 @@
+Thu Dec 11 11:20:59 1997  H.J. Lu  (hjl@gnu.org)
+
+	* configure.in (target frags): Add *-linux-gnu.
+
 Fri Dec  5 16:22:15 1997  H.J. Lu  (hjl@gnu.org)
 
 	* streambuf.cc (streambuf::~streambuf): Don't delete _lock
diff --git a/libio/configure.in b/libio/configure.in
index 5de2dc1113ba..63a152a90f17 100644
--- a/libio/configure.in
+++ b/libio/configure.in
@@ -64,6 +64,17 @@ case "${target}" in
     cp ${srcdir}/config/linuxaxp1-libc-lock.h libc-lock.h
     cp ${srcdir}/config/linuxaxp1-stdio-lock.h stdio-lock.h
     ;;
+  *-linux-gnu)
+    # We have a correct libc-lock.h in glibc 2.1 but not all glibc 2.0.
+    # Create a wrapper if necessary.
+    (echo "#include <bits/libc-lock.h>" | ${CC-cc} -E -) >/dev/null 2>&1 ||
+      {
+	echo "#include_next <libc-lock.h>" > libc-lock.h
+	echo 'asm (".weak _pthread_cleanup_pop_restore");' >> libc-lock.h
+	echo 'asm (".weak _pthread_cleanup_push_defer");' >> libc-lock.h
+
+      }
+    ;;
 esac
 
 for frag in ${frags}; do