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| author | Paul Eggert <eggert@cs.ucla.edu> | 2012-08-24 03:29:39 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2012-08-24 03:33:43 -0700 |
| commit | bb527a2f06a2de15f9d306e9a4c35243c720f599 (patch) | |
| tree | 35d0bc7e76e9ab1814789ddd0803bdf97a4add62 /m4/execinfo.m4 | |
| parent | 1ba1387ffbf3e352e50960a0fcbe4fdc7580de5e (diff) | |
| download | gnulib-bb527a2f06a2de15f9d306e9a4c35243c720f599.tar.gz | |
execinfo: port to FreeBSD
* m4/execinfo.m4 (gl_EXECINFO_H): Set LIB_EXECINFO to -lexecinfo
if needed, as in FreeBSD. Reported by Bastien Roucariès in
<http://lists.gnu.org/archive/html/bug-gnulib/2012-08/msg00113.html>.
* modules/execinfo (Link): Add $(LIB_EXECINFO).
Diffstat (limited to 'm4/execinfo.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"]) ]) |