diff options
Diffstat (limited to 'gdbsupport')
| -rw-r--r-- | gdbsupport/common.m4 | 13 | ||||
| -rwxr-xr-x | gdbsupport/configure | 14 |
2 files changed, 21 insertions, 6 deletions
diff --git a/gdbsupport/common.m4 b/gdbsupport/common.m4 index bef3964..6c317ff 100644 --- a/gdbsupport/common.m4 +++ b/gdbsupport/common.m4 @@ -89,10 +89,11 @@ AC_DEFUN([GDB_AC_COMMON], [ no) want_threading=no ;; *) AC_MSG_ERROR([bad value $enableval for threading]) ;; esac], - [want_threading=yes]) + [want_threading=auto]) # Check for std::thread. This does not work on some platforms, like - # mingw and DJGPP. + # mingw using the win32 threads model with gcc older than 13, and + # DJGPP. AC_LANG_PUSH([C++]) AX_PTHREAD([threads=yes], [threads=no]) save_LIBS="$LIBS" @@ -128,10 +129,16 @@ AC_DEFUN([GDB_AC_COMMON], [ LIBS="$save_LIBS" CXXFLAGS="$save_CXXFLAGS" - if test "$want_threading" = "yes"; then + if test "$want_threading" != "no"; then if test "$gdb_cv_cxx_std_thread" = "yes"; then AC_DEFINE(CXX_STD_THREAD, 1, [Define to 1 if std::thread works.]) + else + if test "$want_threading" = "yes"; then + AC_MSG_ERROR([std::thread does not work; disable threading]) + else + AC_MSG_WARN([std::thread does not work; disabling threading]) + fi fi fi AC_LANG_POP diff --git a/gdbsupport/configure b/gdbsupport/configure index a218b06..19b19c4 100755 --- a/gdbsupport/configure +++ b/gdbsupport/configure @@ -11662,12 +11662,13 @@ if test "${enable_threading+set}" = set; then : *) as_fn_error $? "bad value $enableval for threading" "$LINENO" 5 ;; esac else - want_threading=yes + want_threading=auto fi # Check for std::thread. This does not work on some platforms, like - # mingw and DJGPP. + # mingw using the win32 threads model with gcc older than 13, and + # DJGPP. ac_ext=cpp ac_cpp='$CXXCPP $CPPFLAGS' ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -12374,11 +12375,18 @@ done LIBS="$save_LIBS" CXXFLAGS="$save_CXXFLAGS" - if test "$want_threading" = "yes"; then + if test "$want_threading" != "no"; then if test "$gdb_cv_cxx_std_thread" = "yes"; then $as_echo "#define CXX_STD_THREAD 1" >>confdefs.h + else + if test "$want_threading" = "yes"; then + as_fn_error $? "std::thread does not work; disable threading" "$LINENO" 5 + else + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: std::thread does not work; disabling threading" >&5 +$as_echo "$as_me: WARNING: std::thread does not work; disabling threading" >&2;} + fi fi fi ac_ext=c |