diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/execinfo.m4 | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/m4/execinfo.m4 b/m4/execinfo.m4 index fa2b84523b..f1f3cd9163 100644 --- a/m4/execinfo.m4 +++ b/m4/execinfo.m4 @@ -9,13 +9,23 @@ AC_DEFUN([gl_EXECINFO_H], [ AC_CHECK_HEADERS_ONCE([execinfo.h]) + LIB_EXECINFO='' + EXECINFO_H='execinfo.h' + if test $ac_cv_header_execinfo_h = yes; then - EXECINFO_H='' - else - EXECINFO_H='execinfo.h' + gl_saved_libs=$LIBS + AC_SEARCH_LIBS([backtrace_symbols_fd], [execinfo], + [test "$ac_cv_search_backtrace_symbols_fd" = "none required" || + LIB_EXECINFO=$ac_cv_search_backtrace_symbols_fd]) + LIBS=$gl_saved_libs + test "$ac_cv_search_backtrace_symbols_fd" = no || EXECINFO_H='' + fi + + if test -n "$EXECINFO_H"; then AC_LIBOBJ([execinfo]) fi AC_SUBST([EXECINFO_H]) + AC_SUBST([LIB_EXECINFO]) AM_CONDITIONAL([GL_GENERATE_EXECINFO_H], [test -n "$EXECINFO_H"]) ]) |