dotnet: default to .Net 8.0 LTS

net6.0 LTS is EoL since November 12, 2024
ref: https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core

Author: Mizux

CMakeLists.txt

@@ -162,8 +162,8 @@ elseif(USE_DOTNET_47)
 elseif(USE_DOTNET_462)
   set(EXAMPLE_DEFAULT_TFM "net462")
 else()
-  message(WARNING "Default TFM for examples is set to net6.0 which is not enable")
-  set(EXAMPLE_DEFAULT_TFM "net6.0")
+  message(WARNING "Default TFM for examples is set to net8.0 which is not enable")
+  set(EXAMPLE_DEFAULT_TFM "net8.0")
 endif()
 
 set(EXAMPLE_TFM ${EXAMPLE_DEFAULT_TFM} CACHE STRING "TFM use in sample")

ci/docker/almalinux/Dockerfile

@@ -30,8 +30,7 @@ RUN dnf -y update \
 # see: https://learn.microsoft.com/en-us/dotnet/core/install/linux-scripted-manual#scripted-install
 RUN wget -q "https://dot.net/v1/dotnet-install.sh" \
 && chmod a+x dotnet-install.sh \
-&& ./dotnet-install.sh -c 3.1 -i /usr/local/bin \
-&& ./dotnet-install.sh -c 6.0 -i /usr/local/bin
+&& ./dotnet-install.sh -c 8.0 -i /usr/local/bin
 # Trigger first run experience by running arbitrary cmd
 RUN dotnet --info
 

ci/docker/alpine/Dockerfile

@@ -16,8 +16,7 @@ RUN apk add --no-cache bash wget icu-libs libintl
 # see: https://learn.microsoft.com/en-us/dotnet/core/install/linux-scripted-manual#scripted-install
 RUN wget -q "https://dot.net/v1/dotnet-install.sh" \
 && chmod a+x dotnet-install.sh \
-&& ./dotnet-install.sh -c 3.1 -i /usr/local/bin \
-&& ./dotnet-install.sh -c 6.0 -i /usr/local/bin
+&& ./dotnet-install.sh -c 8.0 -i /usr/local/bin
 # Trigger first run experience by running arbitrary cmd
 RUN dotnet --info
 

ci/docker/rockylinux/Dockerfile

@@ -30,8 +30,7 @@ RUN dnf -y update \
 # see: https://learn.microsoft.com/en-us/dotnet/core/install/linux-scripted-manual#scripted-install
 RUN wget -q "https://dot.net/v1/dotnet-install.sh" \
 && chmod a+x dotnet-install.sh \
-&& ./dotnet-install.sh -c 3.1 -i /usr/local/bin \
-&& ./dotnet-install.sh -c 6.0 -i /usr/local/bin
+&& ./dotnet-install.sh -c 8.0 -i /usr/local/bin
 # Trigger first run experience by running arbitrary cmd
 RUN dotnet --info
 

ci/sample/Mizux.Sample.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <LangVersion>8.0</LangVersion>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
     <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
     <!-- see https://github.com/dotnet/docs/issues/12237 -->