installer: populate installer::globals::[os,com,cpuname]

with there respective env variable OS,COM,CPUNAME
this is a first step to get rid of OUTPATH

Change-Id: Idab4dd7b19deba5252390cbd2cb74dfff9efe64e
Reviewed-on: https://gerrit.libreoffice.org/11907Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>
Tested-by: Norbert Thiebaud <nthiebaud@gmail.com>

solenv/bin/modules/installer/control.pm

@@ -267,6 +267,9 @@ sub check_system_environment
     my @environmentvariables = qw(
         LIBO_VERSION_MAJOR
         LIBO_VERSION_MINOR
+        CPUNAME
+        OS
+        COM
         OUTPATH
         LOCAL_OUT
         LOCAL_COMMON_OUT

solenv/bin/modules/installer/environment.pm

@@ -107,6 +107,9 @@ sub set_global_environment_variables
 
     $installer::globals::build = $environment->{'LIBO_VERSION_MAJOR'}.$environment->{'LIBO_VERSION_MINOR'}."0";
     $installer::globals::compiler = $environment->{'OUTPATH'};
+    $installer::globals::os = $environment->{'OS'};
+    $installer::globals::com = $environment->{'COM'};
+    $installer::globals::cpuname = $environment->{'CPUNAME};
 
     if ( $ENV{'LAST_MINOR'} ) { $installer::globals::lastminor = $ENV{'LAST_MINOR'}; }
 

solenv/bin/modules/installer/globals.pm

@@ -40,6 +40,9 @@ BEGIN
     $minor = "";
     $lastminor = "";
     $compiler = "";
+    $os = "";
+    $cpuname = "";
+    $com = "";
     $pro = 0;
     $dounzip = 1;
     $languages_defined_in_productlist = 0;