diff options
Diffstat (limited to 'm4/packaging.m4')
| -rw-r--r-- | m4/packaging.m4 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/m4/packaging.m4 b/m4/packaging.m4 index 7160ae8..a50c4ba 100644 --- a/m4/packaging.m4 +++ b/m4/packaging.m4 @@ -33,3 +33,11 @@ m4_define([PGSETUP_SUBST_REQ], [ AC_MSG_ERROR([the \$$1 variable is not set]) ]) +# PGSETUP_SUBST_OPT(VARIABLE, DEFAULT, DESCRIPTION) +# ------------------------------------------------- +m4_define([PGSETUP_SUBST_OPT], [ + AC_ARG_VAR([$1], [$3]) + test -z "$[]$1" && + $1=$2 + add_sed_subst_var($1) +]) |