drop shared parts of http4s backend to fix mdoc compilation bug

Author: majk-p

.github/workflows/ci.yml

@@ -37,8 +37,16 @@ jobs:
       if: matrix.target-platform == 'Native'
       run: |
         sudo apt-get update
-        sudo apt-get install libidn2-dev libcurl3-dev
+        sudo apt-get install libidn2-dev libcurl3-dev cmake libssl-dev
         echo "STTP_NATIVE=1" >> $GITHUB_ENV
+    - name: Install s2n-tls
+      if: matrix.target-platform == 'Native'
+      run: |
+        git clone https://github.com/aws/s2n-tls.git /tmp/s2n-tls
+        cd /tmp/s2n-tls
+        cmake . -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local
+        cmake --build build -j $(nproc)
+        sudo cmake --install build
     - name: Install scala-cli
       if: matrix.target-platform == 'JVM'
       uses: VirtusLab/scala-cli-setup@77834b5926f3eb70869d8009530c65585f7a039b # main, specifically v1.9.1
@@ -95,7 +103,14 @@ jobs:
       - name: Install libidn2-dev libcurl3-dev
         run: |
           sudo apt-get update
-          sudo apt-get install libidn2-dev libcurl3-dev
+          sudo apt-get install libidn2-dev libcurl3-dev cmake libssl-dev
+      - name: Install s2n-tls
+        run: |
+          git clone https://github.com/aws/s2n-tls.git /tmp/s2n-tls
+          cd /tmp/s2n-tls
+          cmake . -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local
+          cmake --build build -j $(nproc)
+          sudo cmake --install build
       - name: Enable Native-specific modules
         if: matrix.java == '11'
         run: echo "STTP_NATIVE=1" >> $GITHUB_ENV

build.sbt

@@ -667,14 +667,16 @@ lazy val http4sBackend = (projectMatrix in file("http4s-backend"))
     name := "http4s-backend",
     libraryDependencies ++= Seq(
       "org.http4s" %%% "http4s-client" % http4s_ce3_version,
-      "org.http4s" %%% "http4s-ember-client" % "0.23.34" % Optional
+      "org.http4s" %%% "http4s-ember-client" % http4s_ce3_version % Optional
     ),
     evictionErrorLevel := Level.Info
   )
   .jvmPlatform(
     scalaVersions = scala2And3,
     settings = commonJvmSettings ++ Seq(
-      libraryDependencies += "org.http4s" %% "http4s-blaze-client" % "0.23.17" % Optional
+      libraryDependencies ++= Seq(
+        "org.http4s" %% "http4s-blaze-client" % "0.23.17" % Optional
+      )
     )
   )
   .nativePlatform(