Processing GNU-style "make variables" - separate CPP flags from C flags

C preprocessor flags get separated from C flags, which has the
advantage that we don't get loads of macro definitions and inclusion
directory specs when linking shared libraries, DSOs and programs.

This is a step to add support for "make variables" when configuring.
Reviewed-by: NTim Hudson <tjh@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5177)

Configurations/00-base-templates.conf

@@ -4,6 +4,8 @@ my %targets=(
 	template	=> 1,
 
 	cflags		=> "",
+	cppflags	=> "",
+	lflags		=> "",
 	defines		=> [],
 	thread_scheme	=> "(unknown)", # Assume we don't know
 	thread_defines	=> [],

Configurations/README

@@ -45,6 +45,19 @@ In each table entry, the following keys are significant:
                            Note: if the same feature is both enabled
                            and disabled, disable wins.
 
+        cpp             => The C preprocessor command, normally not
+                           given, as the build file defaults are
+                           usually good enough.
+        cppflags        => The C preprocessor flags.
+        defines         => As an alternative, macro definitions may be
+                           given here instead of in `cppflags'.  If
+                           given here, they MUST be as an array of the
+                           string such as "MACRO=value", or just
+                           "MACRO" for definitions without value.
+        includes        => As an alternative, inclusion directories
+                           may be given here instead of in `cppflags'.
+                           If given here, the MUST be an array of
+                           strings, one directory specification each.
         cc              => The C compiler command, usually one of "cc",
                            "gcc" or "clang".  This command is normally
                            also used to link object files and
@@ -59,11 +72,6 @@ In each table entry, the following keys are significant:
         cxxflags        => Flags that are used at all times when
                            compiling C++ object files.  If unset, it
                            gets the same value as cflags.
-        defines         => As an alternative, macro definitions may be
-                           present here instead of in `cflags'.  If
-                           given here, they MUST be as an array of the
-                           string such as "MACRO=value", or just
-                           "MACRO" for definitions without value.
         shared_cflag    => Extra compilation flags used when
                            compiling for shared libraries, typically
                            something like "-fPIC".

Configurations/descrip.mms.tmpl

@@ -172,11 +172,20 @@ OPENSSLDIR_C={- $osslprefix -}DATAROOT:[000000]
 ENGINESDIR_C={- $osslprefix -}ENGINES{- $sover_dirname.$target{pointer_size} -}:
 
 CC= {- $target{cc} -}
-CFLAGS= /DEFINE=({- join(",", @{$target{defines}}, @{$config{defines}},"OPENSSLDIR=\"\"\"\$(OPENSSLDIR_C)\"\"\"","ENGINESDIR=\"\"\"\$(ENGINESDIR_C)\"\"\"") -}) {- $target{cflags} -} {- $config{cflags} -}
-CFLAGS_Q=$(CFLAGS)
-DEPFLAG= /DEFINE=({- join(",", @{$config{depdefines}}) -})
+DEFINES={- our $defines = join(",",
+                               '__dummy', # To make comma processing easier
+                               @{$target{defines}}, @{$config{defines}}) -}
+CPPFLAGS={- our $cppflags = join('', $target{cppflags}, $config{cppflags}) -}
+CPPFLAGS_Q={- $cppflags =~ s|"|""|g; $defines =~ s|"|""|g;
+              $cppflags."/DEFINE($defines)" -}
+CFLAGS={- $target{cflags} -} {- $config{cflags} -}
 LDFLAGS= {- $target{lflags} -}
 EX_LIBS= {- $target{ex_libs} ? ",".$target{ex_libs} : "" -}{- $config{ex_libs} ? ",".$config{ex_libs} : "" -}
+LIB_DEFINES={- join("",
+                    (map { ",$_" }
+                     @{$target{shared_defines}},
+                     'OPENSSLDIR="""$(OPENSSLDIR_C)"""',
+                     'ENGINESDIR="""$(ENGINESDIR_C)"""')) -}
 LIB_CFLAGS={- $target{lib_cflags} // "" -}
 DSO_CFLAGS={- $target{dso_cflags} // "" -}
 BIN_CFLAGS={- $target{bin_cflags} // "" -}
@@ -605,16 +614,26 @@ EOF
       my $srcs =
           join(", ",
                map { abs2rel(rel2abs($_), rel2abs($forward)) } @{$args{srcs}});
-      my $ecflags;
+      my $cflags = '$(CFLAGS)';
       if ($args{installed}) {
-          $ecflags = { lib => '$(LIB_CFLAGS)',
+          $cflags .= { lib => '$(LIB_CFLAGS)',
                        dso => '$(DSO_CFLAGS)',
                        bin => '$(BIN_CFLAGS)' } -> {$args{intent}};
       } else {
-          $ecflags = { lib => '$(NO_INST_LIB_CFLAGS)',
+          $cflags .= { lib => '$(NO_INST_LIB_CFLAGS)',
                        dso => '$(NO_INST_DSO_CFLAGS)',
                        bin => '$(NO_INST_BIN_CFLAGS)' } -> {$args{intent}};
       }
+      $cflags .= '$(CPPFLAGS)';
+      $cflags .= { lib => '$(LIB_CPPFLAGS)',
+		   dso => '$(DSO_CPPFLAGS)',
+		   bin => '$(BIN_CPPFLAGS)' } -> {$args{intent}};
+      my $defines = '$(DEFINES)';
+      $defines .= { lib => '$(LIB_DEFINES)',
+		    dso => '$(DSO_DEFINES)',
+		    bin => '$(BIN_DEFINES)' } -> {$args{intent}};
+      $cflags .= '/DEFINE=('.$defines.')';
+      
       my $incs_on = "\@ !";
       my $incs_off = "\@ !";
       my $incs = "";
@@ -645,7 +664,7 @@ $obj.OBJ : $deps
         ${before}
         SET DEFAULT $forward
         $incs_on
-        \$(CC) \$(CFLAGS)${ecflags}${incs}${depbuild} /OBJECT=${objd}${objn}.OBJ /REPOSITORY=$backward $srcs
+        \$(CC) ${cflags}${incs}${depbuild} /OBJECT=${objd}${objn}.OBJ /REPOSITORY=$backward $srcs
         $incs_off
         SET DEFAULT $backward
         ${after}

Configurations/unix-Makefile.tmpl

@@ -184,20 +184,33 @@ HTMLSUFFIX=html
 ECHO = echo
 
 CROSS_COMPILE= {- $config{cross_compile_prefix} -}
+CPPFLAGS={- our $cppflags = join(" ",
+                                 (map { "-D".$_}
+                                  @{$target{defines}}, @{$config{defines}}),
+                                 (map { "-I".$_}
+                                  @{$target{includes}}, @{$config{includes}}),
+                                 $target{cppflags}, $config{cppflags}) -}
+CPPFLAGS_Q={- $cppflags =~ s|([\\"])|\\$1|g; $cppflags -}
 CC= $(CROSS_COMPILE){- $target{cc} -}
-CFLAGS={- our $cflags2 = join(" ",(map { "-D".$_} @{$target{defines}}, @{$config{defines}}),"-DOPENSSLDIR=\"\\\"\$(OPENSSLDIR)\\\"\"","-DENGINESDIR=\"\\\"\$(ENGINESDIR)\\\"\"") -} {- $target{cflags} -} {- $config{cflags} -}
-CFLAGS_Q={- $cflags2 =~ s|([\\"])|\\$1|g; $cflags2 -} {- $config{cflags} -}
+CFLAGS={- $target{cflags} -} {- $config{cflags} -}
 CXX= $(CROSS_COMPILE){- $target{cxx} -}
-CXXFLAGS={- our $cxxflags2 = join(" ",(map { "-D".$_} @{$target{defines}}, @{$config{defines}}),"-DOPENSSLDIR=\"\\\"\$(OPENSSLDIR)\\\"\"","-DENGINESDIR=\"\\\"\$(ENGINESDIR)\\\"\"") -} {- $target{cxxflags} -} {- $config{cxxflags} -} -std=c++11
+CXXFLAGS={- $target{cxxflags} -} {- $config{cxxflags} -} -std=c++11
 LDFLAGS= {- $config{lflags} -} {- $target{lflags} -}
 PLIB_LDFLAGS= {- $target{plib_lflags} -}
 EX_LIBS= {- $target{ex_libs} -} {- $config{ex_libs} -}
+LIB_CPPFLAGS={- join(" ",
+                     (map { "-D".$_}
+                      'OPENSSLDIR="\"$(OPENSSLDIR)\""',
+                      'ENGINESDIR="\"$(ENGINESDIR)\""'),
+                     $target{shared_cppflag} || "") -}
 LIB_CFLAGS={- $target{shared_cflag} || "" -}
 LIB_CXXFLAGS={- $target{shared_cxxflag} || "" -}
 LIB_LDFLAGS={- $target{shared_ldflag}." ".$config{shared_ldflag} -}
+DSO_CPPFLAGS={- $target{dso_cppflags} || "" -}
 DSO_CFLAGS={- $target{dso_cflags} || "" -}
 DSO_CXXFLAGS={- $target{dso_cxxflags} || "" -}
 DSO_LDFLAGS={- $target{dso_lflags} || "" -}
+BIN_CPPFLAGS={- $target{bin_cppflags} || "" -}
 BIN_CFLAGS={- $target{bin_cflags} || "" -}
 BIN_CXXFLAGS={- $target{bin_cxxflags} || "" -}
 BIN_LDFLAGS={- $target{bin_lflags} || "" -}
@@ -844,7 +857,7 @@ EOF
 $target: $args{generator}->[0] $deps
 	( trap "rm -f \$@.*" INT 0; \\
 	  $generator \$@.S; \\
-	  \$(CC) $incs \$(CFLAGS) -E \$@.S | \\
+	  \$(CC) $incs \$(CFLAGS) \$(CPPFLAGS) -E \$@.S | \\
 	  \$(PERL) -ne '/^#(line)?\\s*[0-9]+/ or print' > \$@.i && \\
 	  mv -f \$@.i \$@ )
 EOF
@@ -857,7 +870,7 @@ EOF
           }
           return <<"EOF";
 $args{src}: $args{generator}->[0] $deps
-	\$(CC) $incs \$(CFLAGS) -E $args{generator}->[0] | \\
+	\$(CC) $incs \$(CFLAGS) \$(CPPFLAGS) -E $args{generator}->[0] | \\
 	\$(PERL) -ne '/^#(line)?\\s*[0-9]+/ or print' > \$@
 EOF
       }
@@ -884,23 +897,34 @@ EOF
           }
       }
       my $cmd = '$(CC)';
-      my $cmdflags = '$(CFLAGS) -c';
+      my $cmdflags = '$(CFLAGS)';
+      my $cmdcompile = ' -c';
       my $makedepprog = $disabled{makedepend} ? undef : $config{makedepprog};
       if (grep /\.rc$/, @srcs) {
           $cmd = '$(RC)';
           $cmdflags = '$(RCFLAGS)';
+          $cmdcompile = '';
           $makedepprog = undef;
       } elsif (grep /\.(cc|cpp)$/, @srcs) {
           $cmd = '$(CXX)';
-          $cmdflags = '$(CXXFLAGS) -c';
+          $cmdflags = '$(CXXFLAGS)';
           $cmdflags .= ' ' . { lib => '$(LIB_CXXFLAGS)',
                                dso => '$(DSO_CXXFLAGS)',
                                bin => '$(BIN_CXXFLAGS)' } -> {$args{intent}};
+          $cmdflags .= ' $(CPPFLAGS)';
+          $cmdflags .= ' ' . { lib => '$(LIB_CPPFLAGS)',
+                               dso => '$(DSO_CPPFLAGS)',
+                               bin => '$(BIN_CPPFLAGS)' } -> {$args{intent}};
       } else {
           $cmdflags .= ' ' . { lib => '$(LIB_CFLAGS)',
                                dso => '$(DSO_CFLAGS)',
                                bin => '$(BIN_CFLAGS)' } -> {$args{intent}};
+          $cmdflags .= ' $(CPPFLAGS)';
+          $cmdflags .= ' ' . { lib => '$(LIB_CPPFLAGS)',
+                               dso => '$(DSO_CPPFLAGS)',
+                               bin => '$(BIN_CPPFLAGS)' } -> {$args{intent}};
       }
+      $cmdflags .= $cmdcompile;
       my $recipe = <<"EOF";
 $obj$objext: $deps
 EOF

Configurations/windows-makefile.tmpl

@@ -160,7 +160,14 @@ ENGINESDIR=$(ENGINESDIR_dev)$(ENGINESDIR_dir)
 !ENDIF
 
 CC={- $target{cc} -}
-CFLAGS={- join(" ",(map { "-D".$_} @{$target{defines}}, @{$config{defines}})) -} {- join(" ", quotify_l("-DENGINESDIR=\"$enginesdir\"", "-DOPENSSLDIR=\"$openssldir\"")) -} {- $target{cflags} -} {- $config{cflags} -}
+CPPFLAGS={- our $cppflags = join(" ",
+                                 (map { "-D".$_}
+                                  @{$target{defines}}, @{$config{defines}}),
+                                 (map { " /I ".$_}
+                                  @{$target{includes}}, @{$config{includes}}),
+                                 $target{cppflags}, $config{cppflags}) -}
+CPPFLAGS_Q={- $cppflags =~ s|([\\"])|\\$1|g; $cppflags -}
+CFLAGS={- $target{cflags} -} {- $config{cflags} -}
 COUTFLAG={- $target{coutflag} || "/Fo" -}$(OSSL_EMPTY)
 RC={- $target{rc} || "rc" -}
 RCOUTFLAG={- $target{rcoutflag} || "/fo" -}$(OSSL_EMPTY)
@@ -168,10 +175,17 @@ LD={- $target{ld} || "link" -}
 LDFLAGS={- $target{lflags} -}
 LDOUTFLAG={- $target{loutflag} || "/out:" -}$(OSSL_EMPTY)
 EX_LIBS={- $target{ex_libs} -}
+LIB_CPPFLAGS={- join(" ",
+                     $target{shared_cppflag} || "",
+                     (map { quotiry_l("-D".$_) }
+                      'OPENSSLDIR="$(OPENSSLDIR)"',
+                      'ENGINESDIR="$(ENGINESDIR)"')) -}
 LIB_CFLAGS={- join(" ", $target{lib_cflags}, $target{shared_cflag}) || "" -}
 LIB_LDFLAGS={- $target{shared_ldflag} || "" -}
+DSO_CPPFLAGS={- $target{dso_cppflags} || "" -}
 DSO_CFLAGS={- $target{dso_cflags} || "" -}
 DSO_LDFLAGS={- $target{dso_ldflag} || "" -}
+BIN_CPPFLAGS={- $target{dso_cppflags} || "" -}
 BIN_CFLAGS={- $target{bin_cflags} -}
 BIN_LDFLAGS={- $target{bin_lflags} -}
 
@@ -427,7 +441,7 @@ EOF
 $target: "$args{generator}->[0]" $deps
 	set ASM=\$(AS)
 	$generator \$@.S
-	\$(CC) $incs \$(CFLAGS) /EP /C \$@.S > \$@.i && move /Y \$@.i \$@
+	\$(CC) $incs \$(CFLAGS) \$(CPPFLAGS) /EP /C \$@.S > \$@.i && move /Y \$@.i \$@
         del /Q \$@.S
 EOF
               }
@@ -440,7 +454,7 @@ EOF
           }
           return <<"EOF";
 $target: "$args{generator}->[0]" $deps
-	\$(CC) $incs \$(CFLAGS) /EP /C "$args{generator}->[0]" > \$@.i && move /Y \$@.i \$@
+	\$(CC) $incs \$(CFLAGS) \$(CPPFLAGS) /EP /C "$args{generator}->[0]" > \$@.i && move /Y \$@.i \$@
 EOF
       }
   }
@@ -457,9 +471,15 @@ EOF
              $incs .= ' /I "'.$withargs{zlib_include}.'"';
          }
      }
-     my $ecflags = { lib => '$(LIB_CFLAGS)',
-		     dso => '$(DSO_CFLAGS)',
-		     bin => '$(BIN_CFLAGS)' } -> {$args{intent}};
+     my $cflags = '$(CFLAGS)';
+     $cflags .= { lib => ' $(LIB_CFLAGS)',
+		  dso => ' $(DSO_CFLAGS)',
+		  bin => ' $(BIN_CFLAGS)' } -> {$args{intent}};
+     $cflags .= $incs;
+     $cflags .= ' $(CPPFLAGS)';
+     $cflags .= { lib => ' $(LIB_CPPFLAGS)',
+		  dso => ' $(DSO_CPPFLAGS)',
+		  bin => ' $(BIN_CPPFLAGS)' } -> {$args{intent}};
      my $makedepprog = $config{makedepprog};
      if ($srcs[0] =~ /\.rc$/) {
          return <<"EOF";
@@ -476,7 +496,7 @@ EOF
      }
      return <<"EOF"	if (!$disabled{makedepend});
 $obj$depext: $deps
-	\$(CC) \$(CFLAGS) $ecflags$inc /Zs /showIncludes $srcs 2>&1 | \\
+	\$(CC) $cflags /Zs /showIncludes $srcs 2>&1 | \\
 	    "\$(PERL)" -n << > $obj$depext
 chomp;
 s/^Note: including file: *//;
@@ -484,13 +504,13 @@ s/^Note: including file: *//;
 END { print '$obj$objext: ',join(" ", sort keys \%collect),"\\n" }
 <<
 $obj$objext: $obj$depext
-	\$(CC) $incs \$(CFLAGS) $ecflags -c \$(COUTFLAG)\$\@ @<<
+	\$(CC) $cflags -c \$(COUTFLAG)\$\@ @<<
 $srcs
 <<
 EOF
     return <<"EOF"	if ($disabled{makedepend});
 $obj$objext: $deps
-	\$(CC) $incs \$(CFLAGS) $ecflags -c \$(COUTFLAG)\$\@ $srcs
+	\$(CC) $cflags -c \$(COUTFLAG)\$\@ $srcs
 EOF
  }
 

Configure

@@ -520,7 +520,9 @@ my $no_sse2=0;
 &usage if ($#ARGV < 0);
 
 my $user_cflags="";
+my $user_cppflags=();
 my @user_defines=();
+my @user_includes=();
 $config{openssl_api_defines}=[];
 $config{openssl_algorithm_defines}=[];
 $config{openssl_thread_defines}=[];
@@ -762,6 +764,14 @@ while (@argvcopy)
 			{
 			push @user_defines, $1;
 			}
+		elsif (/^-I(.*)$/)
+			{
+			push @user_includes, $1;
+			}
+		elsif (/^-Wp,$/)
+			{
+			$user_cppflags.=" ".$_;
+			}
 		else	# common if (/^[-+]/), just pass down...
 			{
 			$_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
@@ -1053,6 +1063,8 @@ $config{build_file} = $target{build_file};
 # or release_ attributes.
 # Do it in such a way that no spurious space is appended (hence the grep).
 $config{defines} = [];
+$config{includes} = [];
+$config{cppflags} = "";
 $config{cflags} = "";
 $config{cxxflags} = "";
 $config{lflags} = "";
@@ -1099,10 +1111,6 @@ if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch
 	$config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
 }
 
-my $no_shared_warn=0;
-my $no_user_cflags=0;
-my $no_user_defines=0;
-
 # The DSO code currently always implements all functions so that no
 # applications will have to worry about that from a compilation point
 # of view. However, the "method"s may return zero unless that platform
@@ -1145,7 +1153,7 @@ unless ($disabled{threads}) {
             # system-dependent compiler options that are necessary.  We
             # can't truly check that the given options are correct, but
             # we expect the user to know what [s]He is doing.
-            if ($no_user_cflags && $no_user_defines) {
+            if (!$user_cflags && !@user_defines) {
                 die "You asked for multi-threading support, but didn't\n"
                     ,"provide any system-specific compiler options\n";
             }
@@ -1166,6 +1174,7 @@ if (defined($disabled{"deprecated"})) {
         $config{api} = $maxapi;
 }
 
+my $no_shared_warn=0;
 if ($target{shared_target} eq "")
 	{
 	$no_shared_warn = 1
@@ -1208,8 +1217,10 @@ unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
 # This saves the build files from having to check
 if ($disabled{pic})
 	{
-	foreach (qw(shared_cflag shared_cxxflag shared_ldflag
-		    dso_cflags dso_cxxflags dso_lflags))
+	foreach (qw(shared_cflag shared_cxxflag shared_cppflag
+                    shared_defines shared_includes shared_ldflag
+		    dso_cflags dso_cxxflags dso_cppflags
+                    dso_defines dso_includes dso_lflags))
 		{
 		$target{$_} = "";
 		}
@@ -1378,10 +1389,11 @@ unless ($disabled{"crypto-mdebug-backtrace"})
 		}
 	}
 
-if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; $config{cxxflags}="$config{cxxflags}$user_cflags";}
-else                    { $no_user_cflags=1;  }
-if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
-else               { $no_user_defines=1;    }
+$config{cppflags}.=$user_cppflags;
+push @{$config{defines}}, @user_defines;
+push @{$config{includes}}, @user_includes;
+$config{cflags}.=$user_cflags;
+$config{cxxflags}.=$user_cflags;
 
 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
 
@@ -2689,9 +2701,12 @@ sub print_table_entry
 
     my @sequence = (
 	"sys_id",
+	"cpp",
+	"cppflags",
+	"defines",
+	"includes",
 	"cc",
 	"cflags",
-	"defines",
 	"unistd",
 	"ld",
 	"lflags",

crypto/aes/build.info

@@ -5,11 +5,17 @@ SOURCE[../../libcrypto]=\
 
 GENERATE[aes-ia64.s]=asm/aes-ia64.S
 
-GENERATE[aes-586.s]=asm/aes-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[aes-586.s]=asm/aes-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[aes-586.s]=../perlasm/x86asm.pl
-GENERATE[vpaes-x86.s]=asm/vpaes-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[vpaes-x86.s]=asm/vpaes-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[vpaes-586.s]=../perlasm/x86asm.pl
-GENERATE[aesni-x86.s]=asm/aesni-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[aesni-x86.s]=asm/aesni-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[aesni-586.s]=../perlasm/x86asm.pl
 
 GENERATE[aes-x86_64.s]=asm/aes-x86_64.pl $(PERLASM_SCHEME)

crypto/bf/build.info

@@ -2,5 +2,7 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=bf_skey.c bf_ecb.c bf_cfb64.c bf_ofb64.c \
         {- $target{bf_asm_src} -}
 
-GENERATE[bf-586.s]=asm/bf-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[bf-586.s]=asm/bf-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[bf-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl

crypto/bn/build.info

@@ -11,16 +11,20 @@ INCLUDE[../../libcrypto]=../../crypto/include
 INCLUDE[bn_exp.o]=..
 
 GENERATE[bn-586.s]=asm/bn-586.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[bn-586.s]=../perlasm/x86asm.pl
 GENERATE[co-586.s]=asm/co-586.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[co-586.s]=../perlasm/x86asm.pl
 GENERATE[x86-mont.s]=asm/x86-mont.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[x86-mont.s]=../perlasm/x86asm.pl
 GENERATE[x86-gf2m.s]=asm/x86-gf2m.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[x86-gf2m.s]=../perlasm/x86asm.pl
 
 GENERATE[sparcv9a-mont.S]=asm/sparcv9a-mont.pl $(PERLASM_SCHEME)
@@ -49,7 +53,8 @@ GENERATE[rsaz-x86_64.s]=asm/rsaz-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[rsaz-avx2.s]=asm/rsaz-avx2.pl $(PERLASM_SCHEME)
 
 GENERATE[bn-ia64.s]=asm/ia64.S
-GENERATE[ia64-mont.s]=asm/ia64-mont.pl $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[ia64-mont.s]=asm/ia64-mont.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 
 GENERATE[parisc-mont.s]=asm/parisc-mont.pl $(PERLASM_SCHEME)
 

crypto/build.info

@@ -11,14 +11,16 @@ EXTRA=  ../ms/uplink-x86.pl ../ms/uplink.c ../ms/applink.c \
         ppccpuid.pl pariscid.pl alphacpuid.pl arm64cpuid.pl armv4cpuid.pl
 
 DEPEND[cversion.o]=buildinf.h
-GENERATE[buildinf.h]=../util/mkbuildinf.pl "$(CC) $(CFLAGS_Q)" "$(PLATFORM)"
+GENERATE[buildinf.h]=../util/mkbuildinf.pl "$(CC) $(CFLAGS) $(CPPFLAGS_Q)" "$(PLATFORM)"
 DEPEND[buildinf.h]=../configdata.pm
 
 GENERATE[uplink-x86.s]=../ms/uplink-x86.pl $(PERLASM_SCHEME)
 GENERATE[uplink-x86_64.s]=../ms/uplink-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[uplink-ia64.s]=../ms/uplink-ia64.pl $(PERLASM_SCHEME)
 
-GENERATE[x86cpuid.s]=x86cpuid.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[x86cpuid.s]=x86cpuid.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[x86cpuid.s]=perlasm/x86asm.pl
 
 GENERATE[x86_64cpuid.s]=x86_64cpuid.pl $(PERLASM_SCHEME)

crypto/camellia/build.info

@@ -3,7 +3,9 @@ SOURCE[../../libcrypto]=\
         cmll_ecb.c cmll_ofb.c cmll_cfb.c cmll_ctr.c \
         {- $target{cmll_asm_src} -}
 
-GENERATE[cmll-x86.s]=asm/cmll-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[cmll-x86.s]=asm/cmll-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[cmll-x86.s]=../perlasm/x86asm.pl
 GENERATE[cmll-x86_64.s]=asm/cmll-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[cmllt4-sparcv9.S]=asm/cmllt4-sparcv9.pl $(PERLASM_SCHEME)

crypto/cast/build.info

@@ -2,5 +2,7 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         c_skey.c c_ecb.c {- $target{cast_asm_src} -} c_cfb64.c c_ofb64.c
 
-GENERATE[cast-586.s]=asm/cast-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[cast-586.s]=asm/cast-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[cast-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl

crypto/chacha/build.info

 LIBS=../../libcrypto
 SOURCE[../../libcrypto]={- $target{chacha_asm_src} -}
 
-GENERATE[chacha-x86.s]=asm/chacha-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[chacha-x86.s]=asm/chacha-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 GENERATE[chacha-x86_64.s]=asm/chacha-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[chacha-ppc.s]=asm/chacha-ppc.pl $(PERLASM_SCHEME)
 GENERATE[chacha-armv4.S]=asm/chacha-armv4.pl $(PERLASM_SCHEME)

crypto/des/build.info

@@ -11,7 +11,9 @@ GENERATE[des_enc-sparc.S]=asm/des_enc.m4
 GENERATE[dest4-sparcv9.S]=asm/dest4-sparcv9.pl $(PERLASM_SCHEME)
 INCLUDE[dest4-sparcv9.o]=..
 
-GENERATE[des-586.s]=asm/des-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[des-586.s]=asm/des-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[des-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl
-GENERATE[crypt586.s]=asm/crypt586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[crypt586.s]=asm/crypt586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[crypt586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl

crypto/ec/build.info

@@ -8,7 +8,9 @@ SOURCE[../../libcrypto]=\
         ecdsa_ossl.c ecdsa_sign.c ecdsa_vrf.c curve25519.c ecx_meth.c \
         {- $target{ec_asm_src} -}
 
-GENERATE[ecp_nistz256-x86.s]=asm/ecp_nistz256-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[ecp_nistz256-x86.s]=asm/ecp_nistz256-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 
 GENERATE[ecp_nistz256-x86_64.s]=asm/ecp_nistz256-x86_64.pl $(PERLASM_SCHEME)
 

crypto/md5/build.info

@@ -2,7 +2,8 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         md5_dgst.c md5_one.c {- $target{md5_asm_src} -}
 
-GENERATE[md5-586.s]=asm/md5-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[md5-586.s]=asm/md5-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 
 GENERATE[md5-x86_64.s]=asm/md5-x86_64.pl $(PERLASM_SCHEME)
 

crypto/modes/build.info

@@ -6,8 +6,11 @@ SOURCE[../../libcrypto]=\
 
 INCLUDE[gcm128.o]=..
 
-GENERATE[ghash-ia64.s]=asm/ghash-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
-GENERATE[ghash-x86.s]=asm/ghash-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[ghash-ia64.s]=asm/ghash-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
+GENERATE[ghash-x86.s]=asm/ghash-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 GENERATE[ghash-x86_64.s]=asm/ghash-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[aesni-gcm-x86_64.s]=asm/aesni-gcm-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[ghash-sparcv9.S]=asm/ghash-sparcv9.pl $(PERLASM_SCHEME)

crypto/poly1305/build.info

@@ -6,7 +6,9 @@ SOURCE[../../libcrypto]=\
 
 GENERATE[poly1305-sparcv9.S]=asm/poly1305-sparcv9.pl $(PERLASM_SCHEME)
 INCLUDE[poly1305-sparcv9.o]=..
-GENERATE[poly1305-x86.s]=asm/poly1305-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[poly1305-x86.s]=asm/poly1305-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 GENERATE[poly1305-x86_64.s]=asm/poly1305-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[poly1305-ppc.s]=asm/poly1305-ppc.pl $(PERLASM_SCHEME)
 GENERATE[poly1305-ppcfp.s]=asm/poly1305-ppcfp.pl $(PERLASM_SCHEME)

crypto/rc4/build.info

@@ -2,7 +2,9 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         {- $target{rc4_asm_src} -}
 
-GENERATE[rc4-586.s]=asm/rc4-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[rc4-586.s]=asm/rc4-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[rc4-586.s]=../perlasm/x86asm.pl
 
 GENERATE[rc4-x86_64.s]=asm/rc4-x86_64.pl $(PERLASM_SCHEME)

crypto/rc5/build.info

@@ -2,5 +2,6 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         rc5_skey.c rc5_ecb.c {- $target{rc5_asm_src} -} rc5cfb64.c rc5ofb64.c
 
-GENERATE[rc5-586.s]=asm/rc5-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[rc5-586.s]=asm/rc5-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[rc5-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl

crypto/ripemd/build.info

@@ -2,5 +2,6 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         rmd_dgst.c rmd_one.c {- $target{rmd160_asm_src} -}
 
-GENERATE[rmd-586.s]=asm/rmd-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[rmd-586.s]=asm/rmd-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[rmd-586.s]=../perlasm/x86asm.pl

crypto/sha/build.info

@@ -3,16 +3,25 @@ SOURCE[../../libcrypto]=\
         sha1dgst.c sha1_one.c sha256.c sha512.c {- $target{sha1_asm_src} -} \
         keccak1600.c
 
-GENERATE[sha1-586.s]=asm/sha1-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[sha1-586.s]=asm/sha1-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[sha1-586.s]=../perlasm/x86asm.pl
-GENERATE[sha256-586.s]=asm/sha256-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[sha256-586.s]=asm/sha256-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[sha256-586.s]=../perlasm/x86asm.pl
-GENERATE[sha512-586.s]=asm/sha512-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[sha512-586.s]=asm/sha512-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[sha512-586.s]=../perlasm/x86asm.pl
 
-GENERATE[sha1-ia64.s]=asm/sha1-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
-GENERATE[sha256-ia64.s]=asm/sha512-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
-GENERATE[sha512-ia64.s]=asm/sha512-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[sha1-ia64.s]=asm/sha1-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
+GENERATE[sha256-ia64.s]=asm/sha512-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
+GENERATE[sha512-ia64.s]=asm/sha512-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 
 GENERATE[sha1-alpha.S]=asm/sha1-alpha.pl $(PERLASM_SCHEME)
 

crypto/whrlpool/build.info

 LIBS=../../libcrypto
 SOURCE[../../libcrypto]=wp_dgst.c {- $target{wp_asm_src} -}
 
-GENERATE[wp-mmx.s]=asm/wp-mmx.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[wp-mmx.s]=asm/wp-mmx.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[wp-mmx.s]=../perlasm/x86asm.pl
 
 GENERATE[wp-x86_64.s]=asm/wp-x86_64.pl $(PERLASM_SCHEME)

engines/build.info

@@ -37,6 +37,8 @@ IF[{- !$disabled{"engine"} -}]
     INCLUDE[ossltest]=../include
   ENDIF
 
-  GENERATE[e_padlock-x86.s]=asm/e_padlock-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+  GENERATE[e_padlock-x86.s]=asm/e_padlock-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
   GENERATE[e_padlock-x86_64.s]=asm/e_padlock-x86_64.pl $(PERLASM_SCHEME)
 ENDIF