crew downloader: set terminal dimensions fallback using integers, fix lto cmake variable (#6566)

* set terminal default size with integers

* bump version

* Update const.rb

lib/const.rb

@@ -1,6 +1,6 @@
 # Defines common constants used in different parts of crew
 
-CREW_VERSION = '1.20.9'
+CREW_VERSION = '1.21.0'
 
 ARCH_ACTUAL = `uname -m`.chomp
 # This helps with virtualized builds on aarch64 machines
@@ -195,7 +195,7 @@ CREW_CMAKE_OPTIONS = <<~OPT.chomp
   -DCMAKE_SHARED_LINKER_FLAGS='#{CREW_LDFLAGS}' \
   -DCMAKE_STATIC_LINKER_FLAGS='#{CREW_LDFLAGS}' \
   -DCMAKE_MODULE_LINKER_FLAGS='#{CREW_LDFLAGS}' \
-  -DPROPERTY_INTERPROCEDURAL_OPTIMIZATION=TRUE \
+  -DCMAKE_INTERPROCEDURAL_OPTIMIZATION \
   -DCMAKE_BUILD_TYPE=Release
 OPT
 CREW_CMAKE_FNO_LTO_OPTIONS = <<~OPT.chomp

lib/downloader.rb

@@ -15,8 +15,8 @@ def setTermSize
     puts "Non-interactive terminals may not be able to be queried for size."
     # @termW = %x[tput cols].chomp.to_i
     # @termH = %x[tput lines].chomp.to_i
-    @termW = '80'
-    @termH = '25'
+    @termW = 80
+    @termH = 25
   end
   # space for progress bar after minus the reserved space for showing
   # the file size and progress percentage