[Libreoffice] Windows installer size reduction effort - the compression theory

Hi,

After my last mail I created the required patches (3) for already built
LibO. A diffed against 3-3. Please test is if possible.

Please check the attached patches.
-- 

Best regards,

Kálmán „KAMI” Szalai | 神 | kami911 [at] gmail [dot] com


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--- solenv/bin/modules/installer/windows/msiglobal.pm
+++ solenv/bin/modules/installer/windows/msiglobal.pm
@@ -64,7 +64,7 @@ sub write_ddf_file_header
     push(@{$ddffileref} ,$oneline);
     $oneline = ".Set Compress=ON\n";
     push(@{$ddffileref} ,$oneline);
-    $oneline = ".Set CompressionLevel=$installer::globals::cabfilecompressionlevel\n";
+    $oneline = ".Set CompressionMemory= 21\n";
     push(@{$ddffileref} ,$oneline);
     $oneline = ".Set Cabinet=ON\n";
     push(@{$ddffileref} ,$oneline);
--- setup_native/source/win32/nsis/downloadtemplate.nsi
+++ setup_native/source/win32/nsis/downloadtemplate.nsi
@@ -3,7 +3,8 @@
 !define PRODUCT_PUBLISHER "PUBLISHERPLACEHOLDER"
 !define PRODUCT_WEB_SITE "WEBSITEPLACEHOLDER"
 
-SetCompressor lzma
+SetCompress Off
+SetDatablockOptimize On
 ; SetCompressor zlib
 ; Helpful for debugging, disable for products
 ; RequestExecutionLevel user

--- solenv/bin/modules/installer/windows/msiglobal.pm
+++ solenv/bin/modules/installer/windows/msiglobal.pm
@@ -64,7 +64,7 @@ sub write_ddf_file_header
     push(@{$ddffileref} ,$oneline);
     $oneline = ".Set Compress=ON\n";
     push(@{$ddffileref} ,$oneline);
-    $oneline = ".Set CompressionLevel=$installer::globals::cabfilecompressionlevel\n";
+    $oneline = ".Set CompressionMemory= 21\n";
     push(@{$ddffileref} ,$oneline);
     $oneline = ".Set Cabinet=ON\n";
     push(@{$ddffileref} ,$oneline);
--- setup_native/source/win32/nsis/downloadtemplate.nsi
+++ setup_native/source/win32/nsis/downloadtemplate.nsi
@@ -3,7 +3,9 @@
 !define PRODUCT_PUBLISHER "PUBLISHERPLACEHOLDER"
 !define PRODUCT_WEB_SITE "WEBSITEPLACEHOLDER"
 
-SetCompressor lzma
+SetCompress Force
+SetCompressor zlib
+SetDatablockOptimize On
 ; SetCompressor zlib
 ; Helpful for debugging, disable for products
 ; RequestExecutionLevel user

--- solenv/bin/modules/installer/windows/msiglobal.pm
+++ solenv/bin/modules/installer/windows/msiglobal.pm
@@ -60,11 +60,7 @@ sub write_ddf_file_header
     push(@{$ddffileref} ,$oneline);
     $oneline = ".Set MaxDiskSize=2147483648\n";                # This allows the .cab file to get 
a size of 2 GB.
     push(@{$ddffileref} ,$oneline);
-    $oneline = ".Set CompressionType=LZX\n";
-    push(@{$ddffileref} ,$oneline);
-    $oneline = ".Set Compress=ON\n";
-    push(@{$ddffileref} ,$oneline);
-    $oneline = ".Set CompressionLevel=$installer::globals::cabfilecompressionlevel\n";
+    $oneline = ".Set Compress=OFF\n";
     push(@{$ddffileref} ,$oneline);
     $oneline = ".Set Cabinet=ON\n";
     push(@{$ddffileref} ,$oneline);
--- setup_native/source/win32/nsis/downloadtemplate.nsi
+++ setup_native/source/win32/nsis/downloadtemplate.nsi
@@ -3,7 +3,10 @@
 !define PRODUCT_PUBLISHER "PUBLISHERPLACEHOLDER"
 !define PRODUCT_WEB_SITE "WEBSITEPLACEHOLDER"
 
-SetCompressor lzma
+SetCompress Auto
+SetCompressor /SOLID lzma
+SetCompressorDictSize 64
+SetDatablockOptimize On
 ; SetCompressor zlib
 ; Helpful for debugging, disable for products
 ; RequestExecutionLevel user

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