CI: Use homebrew's own compiler on macOS build

External compiler is incompatible with other tools in homebrew.

Thanks to Jim DeLaHunt for pointing that out

See osdn #44559

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>

scripts/ci-build.sh

@@ -50,7 +50,7 @@ ninja install
 "os_x")
 # gcc is an alias for clang on OS X
 
-export PATH="/usr/local/opt/gettext/bin:/usr/local/opt/icu4c/bin:$(brew --prefix qt@6)/bin:$PATH"
+export PATH="/usr/local/opt/llvm/bin:/usr/local/opt/gettext/bin:/usr/local/opt/icu4c/bin:$(brew --prefix qt@6)/bin:$PATH"
 export CPPFLAGS="-I/usr/local/opt/gettext/include -I/usr/local/opt/icu4c/include -I$(brew --prefix qt@6)/include $CPPFLAGS"
 export LDFLAGS="-L/usr/local/opt/gettext/lib -L/usr/local/opt/icu4c/lib -L$(brew --prefix qt@6)/lib"
 export PKG_CONFIG_PATH="/usr/local/opt/icu4c/lib/pkgconfig:$PKG_CONFIG_PATH"
@@ -61,12 +61,12 @@ mkdir build
 cd build
 ../autogen.sh --no-configure-run
 ../configure \
+ CC="clang" CXX="clang++" \
  --enable-debug \
  --enable-sys-lua --with-qtver=qt6 \
  --enable-client=gtk3.22,sdl2,qt,gtk4 \
  --enable-fcmp=gtk3,gtk4,qt,cli \
  --enable-freeciv-manual \
- --disable-mapimg \
  || (let config_exit_status=$? \
      && echo "Config exit status: $config_exit_status" \
      && cat config.log \