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| author | Anthony Green <green@moxielogic.com> | 2018-03-18 13:32:03 -0400 |
|---|---|---|
| committer | Anthony Green <green@moxielogic.com> | 2018-03-18 13:32:03 -0400 |
| commit | 81d345b2cff039c4389fad283a108ad978b609e0 (patch) | |
| tree | b39504ca5e20f2e1575a7e805de54dfa2480e064 /m4/ax_append_flag.m4 | |
| parent | 369ef49f71186fc9d6ab15614488ad466fac3fc1 (diff) | |
| download | libffi-81d345b2cff039c4389fad283a108ad978b609e0.tar.gz | |
Update autoconf archive macros
Diffstat (limited to 'm4/ax_append_flag.m4')
| -rw-r--r-- | m4/ax_append_flag.m4 | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/m4/ax_append_flag.m4 b/m4/ax_append_flag.m4 index 1d38b76..e8c5312 100644 --- a/m4/ax_append_flag.m4 +++ b/m4/ax_append_flag.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_append_flag.html +# https://www.gnu.org/software/autoconf-archive/ax_append_flag.html # =========================================================================== # # SYNOPSIS @@ -34,7 +34,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see <http://www.gnu.org/licenses/>. +# with this program. If not, see <https://www.gnu.org/licenses/>. # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -49,21 +49,23 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 2 +#serial 7 AC_DEFUN([AX_APPEND_FLAG], -[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX -AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])])dnl -AS_VAR_SET_IF(FLAGS, - [case " AS_VAR_GET(FLAGS) " in - *" $1 "*) - AC_RUN_LOG([: FLAGS already contains $1]) - ;; - *) - AC_RUN_LOG([: FLAGS="$FLAGS $1"]) - AS_VAR_SET(FLAGS, ["AS_VAR_GET(FLAGS) $1"]) - ;; - esac], - [AS_VAR_SET(FLAGS,["$1"])]) +[dnl +AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_SET_IF +AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])]) +AS_VAR_SET_IF(FLAGS,[ + AS_CASE([" AS_VAR_GET(FLAGS) "], + [*" $1 "*], [AC_RUN_LOG([: FLAGS already contains $1])], + [ + AS_VAR_APPEND(FLAGS,[" $1"]) + AC_RUN_LOG([: FLAGS="$FLAGS"]) + ]) + ], + [ + AS_VAR_SET(FLAGS,[$1]) + AC_RUN_LOG([: FLAGS="$FLAGS"]) + ]) AS_VAR_POPDEF([FLAGS])dnl ])dnl AX_APPEND_FLAG |