From a70509cdce915f18cdbd130c2e73f0137346887b Mon Sep 17 00:00:00 2001 From: wolf Date: Thu, 7 Jul 2005 18:16:53 +0000 Subject: [PATCH] Check whether we can link with -rdynamic. git-svn-id: https://svn.dealii.org/trunk@11099 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/aclocal.m4 | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/deal.II/aclocal.m4 b/deal.II/aclocal.m4 index 972d6dd30e..daea901439 100644 --- a/deal.II/aclocal.m4 +++ b/deal.II/aclocal.m4 @@ -4002,7 +4002,10 @@ void f (const std::ostream &out); dnl ------------------------------------------------------------- dnl Check whether glibc-like stacktrace information is available -dnl for the Exception class +dnl for the Exception class. If it is, then try to also determine +dnl whether the compiler accepts the -rdynamic flag, since that is +dnl recommended for linking if one wants to have meaningful +dnl backtraces. dnl dnl Usage: DEAL_II_HAVE_GLIBC_STACKTRACE dnl @@ -4028,6 +4031,20 @@ AC_DEFUN(DEAL_II_HAVE_GLIBC_STACKTRACE, dnl [Define if deal.II is linked against the GNU C library, which provides stacktrace debug information that can be printed out in the exception class]) + + AC_MSG_CHECKING(whether compiler accepts -rdynamic) + + CXXFLAGS="$CXXFLAGSG -rdynamic" + AC_TRY_LINK( + [], + [;], + [ + AC_MSG_RESULT(yes) + LDFLAGS="$LDFLAGS -rdynamic" + ], + [ + AC_MSG_RESULT(no) + ]) ], [ AC_MSG_RESULT(no) -- 2.39.5