Remove changes to build script

.github/workflows/ci-toolchain.yml

@@ -43,6 +43,7 @@ jobs:
       uses: alire-project/alr-install@v1
       with:
         crates: gnat_native^${{matrix.gcc_version}} gprbuild
+        cache: false
 
     - name: Build alr with toolchain from `alr install`
       shell: bash

scripts/ci-github.sh

@@ -29,24 +29,12 @@ fi
 # Patch version
 scripts/version-patcher.sh
 
-# use -static-libgcc only in recent-enough GCC versions (>=12). The version is
-# the last space-separated field of the first line in gcc --version output.
-# Also, this is only needed on macOS for now.
-ALR_LINKER_ARGS=
-if [ "$(get_OS)" == "macos" ]; then
-    gcc_version=$(gcc --version | head -n 1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | tail -n1 | cut -f1 -d.)
-    if [ "$(echo "$gcc_version >= 12" | bc)" -eq 1 ]; then
-        ALR_LINKER_ARGS="-static-libgcc"
-    fi
-fi
-
 # Build alr if no argument is "build=false"
 if [[ " $* " == *" build=false "* ]]; then
     echo "Skipping alr build, explicitly disabled via arguments"
 else
     export ALIRE_OS=$(get_OS)
-    echo "Using ALR_LINKER_ARGS=$ALR_LINKER_ARGS"
-    gprbuild -j0 -p -P alr_env -largs $ALR_LINKER_ARGS
+    gprbuild -j0 -p -P alr_env
 fi
 
 # Disable distro detection if supported
@@ -82,12 +70,6 @@ echo ALR SEARCH:
 alr -q -d search --list --external
 echo ............................
 
-# Exit without testing if some argument is "test=false"
-if [[ " $* " == *" test=false "* ]]; then
-    echo "SKIPPING testsuite, explicitly disabled via arguments"
-    exit 0
-fi
-
 echo TESTSUITE:
 # Run e3.testsuite
 echo