send_common: Combine generic_com_on() and open_sender().

[paraslash.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1a375e9f57b0c9d589b24caf7faf2fe4b02a861e..499571a70318f2d3bfe753e8a9be95307e7fc378 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -46,20 +46,21 @@ AC_DEFUN([LIB_SUBST_FLAGS], [
        AC_SUBST($1_cppflags)
        AC_SUBST($1_ldflags)
 ])
+AC_DEFUN([REQUIRE_EXECUTABLE], [
+        AC_PATH_PROG(m4_toupper([$1]), [$1])
+        test -z "$m4_toupper([$1])" && AC_MSG_ERROR(
+               [$1 is required to build this package])
+])
 
 AC_USE_SYSTEM_EXTENSIONS
 AC_C_BIGENDIAN()
-
-AC_PATH_PROG([BISON], [bison])
-AC_PATH_PROG([FLEX], [flex])
-
-AC_PATH_PROG([M4], [m4])
-test -z "$M4" && AC_MSG_ERROR(
-       [The m4 macro processor is required to build this package])
-
 AC_PROG_CC
 AC_PROG_CPP
 
+REQUIRE_EXECUTABLE([bison])
+REQUIRE_EXECUTABLE([flex])
+REQUIRE_EXECUTABLE([m4])
+
 executables="recv filter audioc write afh play"
 ########################################################################### osl
 STASH_FLAGS