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Problem: linker fails looking for dladdr

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Solution: search and add it via AC_CHECK_LIB when building with
libunwind, as the backtrace function uses dladdr. This problem
only appears on some distributions and with some compiler/toolchain
versions.
This commit is contained in:
Luca Boccassi 2016-11-10 22:49:41 +00:00
parent 065169a221
commit 1b3fcbd3ee
1 changed files with 1 additions and 0 deletions
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1
configure.ac
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@ -650,6 +650,7 @@ PKG_CHECK_MODULES(LIBUNWIND, [libunwind],
AC_DEFINE(HAVE_LIBUNWIND, 1, [The libunwind library is to be used]) AC_DEFINE(HAVE_LIBUNWIND, 1, [The libunwind library is to be used])
AC_SUBST([LIBUNWIND_CFLAGS]) AC_SUBST([LIBUNWIND_CFLAGS])
AC_SUBST([LIBUNWIND_LIBS]) AC_SUBST([LIBUNWIND_LIBS])
AC_CHECK_LIB([dl], [dladdr])
], ],
[ [
AC_MSG_WARN([Cannot find libunwind]) AC_MSG_WARN([Cannot find libunwind])