From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date: Wed, 31 Aug 2005 06:38:50 +0000 (+0000)
Subject: * README, libtool.m4 [ solaris CC ]: Document issue with C++
X-Git-Tag: release-1-5-20~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cdd7f65bae9081b4438f6af8dc4328cf7624c8af;p=thirdparty%2Flibtool.git

* README, libtool.m4 [ solaris CC ]: Document issue with C++
standard libraries.
---

diff --git a/ChangeLog b/ChangeLog
index 38ac92fc7..361b0b063 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-08-31  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* README, libtool.m4 [ solaris CC ]: Document issue with C++
+	standard libraries.
+
 2005-08-29  Gary V. Vaughan  <gary@gnu.org>
 
 	* libltdl/m4/ltdl.m4 (LTDL_CONVENIENCE): Fix the comment to not
diff --git a/README b/README
index 492a4e230..47d92d4a5 100644
--- a/README
+++ b/README
@@ -122,3 +122,8 @@ loaded through inter-module dependencies.
 
 9)  Note that newer Sun Studio Fortran compilers might need Autoconf macros
 not yet present in 2.59 but only in CVS Autoconf.
+
+10) Note that Sun C++ compiler versions before 5.6 may need some special
+setup to link properly against shared versions of the C++ standard libraries.
+See http://lists.gnu.org/archive/html/libtool/2005-08/msg00088.html for
+more information.
diff --git a/libtool.m4 b/libtool.m4
index d218aa6bc..a952cb140 100644
--- a/libtool.m4
+++ b/libtool.m4
@@ -3749,6 +3749,9 @@ ifelse([$1],[CXX],
 solaris*)
   case $cc_basename in
   CC*)
+    # Adding this requires a known-good setup of shared libraries for
+    # Sun compiler versions before 5.6, else PIC objects from an old
+    # archive will be linked into the output, leading to subtle bugs.
     _LT_AC_TAGVAR(postdeps,$1)='-lCstd -lCrun'
     ;;
   esac