message: build: Drop redundant check of PKG_CHECK_MODULES presence
diff: @@ -1546,10 +1546,10 @@ dnl libmultiprocess library check
  libmultiprocess_found=no
  if test "$with_libmultiprocess" = "yes" || test "$with_libmultiprocess" = "auto"; then
  - m4_ifdef([PKG_CHECK_MODULES], [PKG_CHECK_MODULES([LIBMULTIPROCESS], [libmultiprocess], [
  + PKG_CHECK_MODULES([LIBMULTIPROCESS], [libmultiprocess], [
  libmultiprocess_found=yes;
  libmultiprocess_prefix=`$PKG_CONFIG --variable=prefix libmultiprocess`;
  - ], [true])])
  + ], [true])
  elif test "$with_libmultiprocess" != "no"; then
  AC_MSG_ERROR([--with-libmultiprocess=$with_libmultiprocess value is not yes, auto, or no])
  fi
  