X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2Fabi_check.cc;h=befac6b160e0639a722544487e5e5ecc148348a0;hp=b3a695c523bea0f108ed9b9f3ee23923a72c7c7c;hb=5bc5f104628ddbd5f203ddb9c78510dc910f515a;hpb=3b5ec6d9caca77e24c56456d7aec01d53a58b268

diff --git a/libstdc++-v3/testsuite/abi_check.cc b/libstdc++-v3/testsuite/abi_check.cc
index b3a695c523b..befac6b160e 100644
--- a/libstdc++-v3/testsuite/abi_check.cc
+++ b/libstdc++-v3/testsuite/abi_check.cc
@@ -236,8 +236,16 @@ int main(int argc, char** argv)
    */
   const char quote = '"';
   const char bslash = '\\';
+
+  // GNU binutils, somewhere after version 2.11.2, requires -W/--wide
+  // to avoid default line truncation.  -W is not supported and
+  // truncation did not occur by default before that point.
+  bool readelf_need_wide =
+    (system("readelf --help | grep -- --wide >/dev/null") == 0);
+
   ostringstream cmd;
-  cmd << "readelf -s -W " << test_lib << " | sed '/" << bslash 
+  cmd << "readelf -s " << (readelf_need_wide ? "-W " : "")
+      << test_lib << " | sed '/" << bslash 
       << ".dynsym/,/^$/p;d' | egrep -v ' (LOCAL|UND) ' | "
       << "awk '{ if ($4 == " << quote << "FUNC" << quote << "|| $4 == " 
       << quote << "NOTYPE" << quote << ") printf " << quote << "%s:%s"