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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 4ab8816a..4cdb12af 100644 --- a/configure.ac +++ b/configure.ac @@ -456,6 +456,12 @@ CFLAGS="$old_CFLAGS"]) AM_CONDITIONAL(HAVE_IMPLICIT_FALLTHROUGH_WARNING, [test "x$ac_cv_implicit_fallthrough" != "xno"]) +# Assume the fallthrough attribute is supported if -Wimplict-fallthrough is supported +if test "$ac_cv_implicit_fallthrough" = "yes"; then + AC_DEFINE([HAVE_FALLTHROUGH], [1], + [Defined if __attribute__((fallthrough)) is supported]) +fi + dnl Check if we have argp available from our libc AC_LINK_IFELSE( [AC_LANG_PROGRAM( |