Mercurial > hg > octave-lojdl > gnulib-hg
diff m4/execinfo.m4 @ 17062:879fe335e7cb
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).
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Fri, 24 Aug 2012 03:29:39 -0700 |
| parents | a9db8a0359df |
| children | e542fd46ad6f |
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--- a/m4/execinfo.m4 +++ b/m4/execinfo.m4 @@ -9,13 +9,23 @@ [ 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"]) ])