Also warn about missing prerequisites as we encounter them (bug #24445).

[pspp-builds.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 11154ee37bfa7ac54f6411bce7ebb6e7b8a680fb..728359ec46a30d317d70ab32ea844bc2e16a7c25 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -5,9 +5,11 @@ dnl with or without modifications, as long as this notice is preserved.
 
 dnl Prerequisites.
 
-dnl Instead of giving an error about each prerequisite as we encounter it, 
-dnl group them all together at the end of the run, to be user-friendly.
-AC_DEFUN([PSPP_REQUIRED_PREREQ], [pspp_required_prereqs="$pspp_required_prereqs
+dnl Summarize all the missing prerequisites at the end of the run to
+dnl increase user-friendliness.
+AC_DEFUN([PSPP_REQUIRED_PREREQ], 
+  [AC_MSG_WARN([You must install $1 before building PSPP.])
+pspp_required_prereqs="$pspp_required_prereqs
        $1"])
 AC_DEFUN([PSPP_OPTIONAL_PREREQ], [pspp_optional_prereqs="$pspp_optional_prereqs
        $1"])