Windows makefile generator: Don't delete long lists of files in one go

The Windows command line has its limits, and we're hitting it hard.
We therefore generate one 'del' command for each explicit file for the
'clean' target.

Fixes #11163

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/11171)

diff --git a/Configurations/windows-makefile.tmpl b/Configurations/windows-makefile.tmpl
index c49b32f0e187d6a8b03408d60d50326f042246a1..043839977c9c5f2b9000351c7a8a214559b18c24 100644 (file)
--- a/Configurations/windows-makefile.tmpl
+++ b/Configurations/windows-makefile.tmpl
@@ -47,19 +47,22 @@ SHLIB_VERSION_NUMBER={- $config{shlib_version} -}
 LIBS={- join(" ", map { ( platform->sharedlib_import($_), platform->staticlib($_) ) } @{$unified_info{libraries}}) -}
 SHLIBS={- join(" ", map { platform->sharedlib($_) // () } @{$unified_info{libraries}}) -}
 SHLIBPDBS={- join(" ", map { platform->sharedlibpdb($_) // () } @{$unified_info{libraries}}) -}
-MODULES={- join(" ", map { platform->dso($_) } @{$unified_info{modules}}) -}
+MODULES={- our @MODULES = map { platform->dso($_) } @{$unified_info{modules}};
+           join(" ", @MODULES) -}
 MODULEPDBS={- join(" ", map { platform->dsopdb($_) } @{$unified_info{modules}}) -}
 PROGRAMS={- our @PROGRAMS = map { platform->bin($_) } @{$unified_info{programs}}; join(" ", @PROGRAMS) -}
 PROGRAMPDBS={- join(" ", map { $_.".pdb" } @{$unified_info{programs}}) -}
-SCRIPTS={- join(" ", @{$unified_info{scripts}}) -}
+SCRIPTS={- our @SCRIPTS = @{$unified_info{scripts}}; join(" ", @SCRIPTS) -}
 {- output_off() if $disabled{makedepend}; "" -}
 DEPS={- join(" ", map { platform->isobj($_) ? platform->dep($_) : () }
                   grep { $unified_info{sources}->{$_}->[0] =~ /\.c$/ }
                   keys %{$unified_info{sources}}); -}
 {- output_on() if $disabled{makedepend}; "" -}
-GENERATED_MANDATORY={- join(" ", @{$unified_info{depends}->{""}} ) -}
+GENERATED_MANDATORY={- our @GENERATED_MANDATORY = @{$unified_info{depends}->{""}};
+                       join(" ", @GENERATED_MANDATORY) -}
 GENERATED={- # common0.tmpl provides @generated
-             join(" ", map { platform->convertext($_) } @generated) -}
+             our @GENERATED = map { platform->convertext($_) } @generated;
+             join(" ", @GENERATED) -}
 
 INSTALL_LIBS={-
         join(" ", map { quotify1(platform->sharedlib_import($_)
@@ -417,10 +420,10 @@ clean: libclean
        -rmdir /Q /S $(HTMLDOCS5_BLDDIRS)
        -rmdir /Q /S $(HTMLDOCS7_BLDDIRS)
        {- join("\n\t", map { "-del /Q /F $_" } @PROGRAMS) -}
-       -del /Q /F $(MODULES)
-       -del /Q /F $(SCRIPTS)
-       -del /Q /F $(GENERATED_MANDATORY)
-       -del /Q /F $(GENERATED)
+       {- join("\n\t", map { "-del /Q /F $_" } @MODULES) -}
+       {- join("\n\t", map { "-del /Q /F $_" } @SCRIPTS) -}
+       {- join("\n\t", map { "-del /Q /F $_" } @GENERATED_MANDATORY) -}
+       {- join("\n\t", map { "-del /Q /F $_" } @GENERATED) -}
        -del /Q /S /F *.d *.obj *.pdb *.ilk *.manifest
        -del /Q /S /F engines\*.lib engines\*.exp
        -del /Q /S /F apps\*.lib apps\*.rc apps\*.res apps\*.exp