:: bzip3 / build-aux / ax_progvar.m4 214 B raw

AC_DEFUN([AX_PROGVAR], [

          test -n "$m4_toupper($1)" || { AC_PATH_PROG(m4_toupper($1), m4_default($2,$1)) }

          test -n "$m4_toupper($1)" || AC_MSG_ERROR([m4_default($2,$1) is required])

         ])