ci: freebsd: don't try to compile with zig cc

ci/srht/freebsd_script

@@ -14,13 +14,6 @@ cd $HOME
 wget -nv "https://ziglang.org/deps/$CACHE_BASENAME.tar.xz"
 tar xf "$CACHE_BASENAME.tar.xz"
 
-ZIG="$PREFIX/bin/zig"
-NATIVE_LIBC_TXT="$HOME/native_libc.txt"
-$ZIG libc > "$NATIVE_LIBC_TXT"
-export ZIG_LIBC="$NATIVE_LIBC_TXT"
-export CC="$ZIG cc"
-export CXX="$ZIG c++"
-
 cd $ZIGDIR
 
 # Make the `zig version` number consistent.
@@ -41,22 +34,8 @@ cmake .. \
     -DCMAKE_PREFIX_PATH=$PREFIX \
     "-DCMAKE_INSTALL_PREFIX=$(pwd)/release" \
     -DZIG_STATIC=ON \
-    -DZIG_TARGET_TRIPLE="x86_64-native-gnu" \
-    -DZIG_TARGET_MCPU="baseline" \
+    -DZIG_TARGET_TRIPLE=x86_64-freebsd-gnu \
     -GNinja
-
-# Now cmake will use zig as the C/C++ compiler. We reset the environment variables
-# so that installation and testing do not get affected by them.
-unset CC
-unset CXX
-unset ZIG_LIBC
-
-samu install
-
-# Here we rebuild zig but this time using the Zig binary we just now produced to
-# build zig1.o rather than relying on the one built with stage0. See
-# https://github.com/ziglang/zig/issues/6830 for more details.
-cmake .. -DZIG_EXECUTABLE="$(pwd)/release/bin/zig" -DZIG_TARGET_MCPU="x86_64_v2"
 samu install
 
 # Here we skip some tests to save time.