From e436664828429a23bf210710ede34203bdfdc2b8 Mon Sep 17 00:00:00 2001
From: Richard Levitte <levitte@openssl.org>
Date: Wed, 12 Dec 2018 21:22:29 +0100
Subject: VMS build: better treatment of .S -> .obj compilation

It turned out that .S files aren't to be treated as lightly as I
thought.  They need to go through a preprocessing step, which .s files
don't need to.

Corrects #7703

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7889)
---
 Configurations/descrip.mms.tmpl | 52 ++++++++++++++++++++++++++++-------------
 1 file changed, 36 insertions(+), 16 deletions(-)

(limited to 'Configurations/descrip.mms.tmpl')

diff --git a/Configurations/descrip.mms.tmpl b/Configurations/descrip.mms.tmpl
index 0ef494874e..2950b43b48 100644
--- a/Configurations/descrip.mms.tmpl
+++ b/Configurations/descrip.mms.tmpl
@@ -816,7 +816,7 @@ $target : $args{generator}->[0] $deps
         \@ $incs_on
         \@ extradefines = "$defs"
 	PIPE \$(CPP) $cppflags \$\@-S | -
-        \$(PERL) -ne "/^#(\\s*line)?\\s*[0-9]+\\s+""/ or print" > \$\@-i
+             \$(PERL) -ne "/^#(\\s*line)?\\s*[0-9]+\\s+""/ or print" > \$\@-i
         \@ DELETE/SYMBOL/LOCAL extradefines
         \@ $incs_off
         RENAME \$\@-i \$\@
@@ -844,7 +844,7 @@ EOF
 
   sub src2obj {
       my %args = @_;
-      my @srcs = map { (my $x = $_) =~ s/\.[sS]$/.asm/; $x
+      my @srcs = map { (my $x = $_) =~ s/\.s$/.asm/; $x
                      } ( @{$args{srcs}} );
       (my $obj = $args{obj}) =~ s|\.o$||;
       my $deps = join(", -\n\t\t", @srcs, @{$args{deps}});
@@ -864,20 +864,6 @@ EOF
       my $before = $unified_info{before}->{$obj.".OBJ"} || "\@ !";
       my $after = $unified_info{after}->{$obj.".OBJ"} || "\@ !";
 
-      if ($srcs[0] =~ /\.asm$/) {
-          my $asflags = { shlib => ' $(LIB_ASFLAGS)',
-		          lib => ' $(LIB_ASFLAGS)',
-		          dso => ' $(DSO_ASFLAGS)',
-		          bin => ' $(BIN_ASFLAGS)' } -> {$args{intent}};
-          return <<"EOF";
-$obj.OBJ : $deps
-        ${before}
-        SET DEFAULT $forward
-        \$(AS) $asflags \$(ASOUTFLAG)${objd}${objn}.OBJ $srcs
-        SET DEFAULT $backward
-EOF
-      }
-
       my $cflags;
       if ($args{installed}) {
           $cflags = { shlib => '$(LIB_CFLAGS)',
@@ -895,6 +881,10 @@ EOF
 		   dso => '$(DSO_CPPFLAGS)',
 		   bin => '$(BIN_CPPFLAGS)' } -> {$args{intent}};
       my $defs = join("", map { ",".$_ } @{$args{defs}});
+      my $asflags = { shlib => ' $(LIB_ASFLAGS)',
+		      lib => ' $(LIB_ASFLAGS)',
+		      dso => ' $(DSO_ASFLAGS)',
+		      bin => ' $(BIN_ASFLAGS)' } -> {$args{intent}};
 
       my @incs_cmds = includes({ shlib => '$(LIB_INCLUDES)',
                                  lib => '$(LIB_INCLUDES)',
@@ -907,6 +897,36 @@ EOF
                                } @{$args{incs}});
       my $incs_on = join("\n\t\@ ", @{$incs_cmds[0]}) || '!';
       my $incs_off = join("\n\t\@ ", @{$incs_cmds[1]}) || '!';
+
+      if ($srcs[0] =~ /\.asm$/) {
+          return <<"EOF";
+$obj.OBJ : $deps
+        ${before}
+        SET DEFAULT $forward
+        \$(AS) $asflags \$(ASOUTFLAG)${objd}${objn}.OBJ $srcs
+        SET DEFAULT $backward
+        ${after}
+        - PURGE $obj.OBJ
+EOF
+      } elsif ($srcs[0] =~ /.S$/) {
+         return <<"EOF";
+$obj.OBJ : $deps
+        ${before}
+        SET DEFAULT $forward
+        \@ $incs_on
+        \@ extradefines = "$defs"
+        PIPE \$(CPP) ${cflags} $srcs | -
+             \$(PERL) -ne "/^#(\\s*line)?\\s*[0-9]+\\s+""/ or print" -
+             > ${objd}${objn}.asm
+        \@ DELETE/SYMBOL/LOCAL extradefines
+        \@ $incs_off
+        SET DEFAULT $backward
+        ${after}
+        \$(AS) $asflags \$(ASOUTFLAG)$obj.OBJ $obj.asm
+        - PURGE $obj.OBJ
+EOF
+      }
+
       my $depbuild = $disabled{makedepend} ? ""
           : " /MMS=(FILE=${objd}${objn}.D,TARGET=$obj.OBJ)";
 
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