VMS: Fix the passing of cflags for things not being installed

When building object files for libraries, information whether the
library would be installed or not wasn't passed down to the object
file building rules.

Also, make it so settings like |no_inst_lib_cflags| can be the empty
string.
Reviewed-by: NTim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3247)

Configurations/10-main.conf

@@ -1789,9 +1789,9 @@ sub vms_info {
                                    debug   => "/DEBUG/TRACEBACK",
                                    release => "/NODEBUG/NOTRACEBACK"),
         lib_cflags       => add("/NAMES=(AS_IS,SHORTENED)/EXTERN_MODEL=STRICT_REFDEF"),
-        # no_inst_bin_cflags is used instead of bin_cflags by descrip.mms.tmpl
-        # for object files belonging to selected internal programs
-        no_inst_bin_cflags => "/NAMES=(AS_IS,SHORTENED)",
+        # no_inst_lib_cflags is used instead of lib_cflags by descrip.mms.tmpl
+        # for object files belonging to selected internal libraries
+        no_inst_lib_cflags => "",
         shared_target    => "vms-shared",
         dso_scheme       => "vms",
         thread_scheme    => "pthreads",

Configurations/common.tmpl

@@ -133,7 +133,7 @@
                      objs => [ map { (my $x = $_) =~ s|\.o$||; $x }
                                @{$unified_info{sources}->{$lib}} ]);
      foreach (@{$unified_info{sources}->{$lib}}) {
-         doobj($_, $lib, intent => "lib");
+         doobj($_, $lib, intent => "lib", installed => is_installed($lib));
      }
      $cache{$lib} = 1;
  }

Configurations/descrip.mms.tmpl

@@ -157,12 +157,12 @@ CFLAGS_Q=$(CFLAGS)
 DEPFLAG= /DEFINE=({- join(",", @{$config{depdefines}}) -})
 LDFLAGS= {- $target{lflags} -}
 EX_LIBS= {- $target{ex_libs} ? ",".$target{ex_libs} : "" -}{- $config{ex_libs} ? ",".$config{ex_libs} : "" -}
-LIB_CFLAGS={- $target{lib_cflags} || "" -}
-DSO_CFLAGS={- $target{dso_cflags} || "" -}
-BIN_CFLAGS={- $target{bin_cflags} || "" -}
-NO_INST_LIB_CFLAGS={- $target{no_inst_lib_cflags} || '$(LIB_CFLAGS)' -}
-NO_INST_DSO_CFLAGS={- $target{no_inst_dso_cflags} || '$(DSO_CFLAGS)' -}
-NO_INST_BIN_CFLAGS={- $target{no_inst_bin_cflags} || '$(BIN_CFLAGS)' -}
+LIB_CFLAGS={- $target{lib_cflags} // "" -}
+DSO_CFLAGS={- $target{dso_cflags} // "" -}
+BIN_CFLAGS={- $target{bin_cflags} // "" -}
+NO_INST_LIB_CFLAGS={- $target{no_inst_lib_cflags} // '$(LIB_CFLAGS)' -}
+NO_INST_DSO_CFLAGS={- $target{no_inst_dso_cflags} // '$(DSO_CFLAGS)' -}
+NO_INST_BIN_CFLAGS={- $target{no_inst_bin_cflags} // '$(BIN_CFLAGS)' -}
 
 PERL={- $config{perl} -}