First attempt at updating server_compile.sh for CMake

for https://github.com/ioquake/ioq3/issues/786

misc/linux/server_compile.sh

@@ -2,17 +2,17 @@
 
 set -e
 
-export BUILD_CLIENT="${BUILD_CLIENT:-0}"
-export BUILD_SERVER="${BUILD_SERVER:-1}"
-export USE_HTTP="${USE_HTTP:-1}"
-export USE_CODEC_OPUS="${USE_CODEC_OPUS:-1}"
-export USE_VOIP="${USE_VOIP:-1}"
+export DBUILD_CLIENT="${DBUILD_CLIENT:-0}"
+export DBUILD_SERVER="${DBUILD_SERVER:-1}"
+export DUSE_HTTP="${DUSE_HTTP:-1}"
+export DUSE_CODEC_OPUS="${DUSE_CODEC_OPUS:-1}"
+export DUSE_VOIP="${DUSE_VOIP:-1}"
 export COPYDIR="${COPYDIR:-~/ioquake3}"
 IOQ3REMOTE="${IOQ3REMOTE:-https://github.com/ioquake/ioq3.git}"
-MAKE_OPTS="${MAKE_OPTS:--j2}"
+CMAKE_OPTS="${CMAKE_OPTS:-}"
 
-if ! [ -x "$(command -v git)" ] || ! [ -x "$(command -v make)" ]; then
-        echo "This build script requires 'git' and 'make' to be installed." >&2
+if ! [ -x "$(command -v git)" ] || ! [ -x "$(command -v cmake)" ]; then
+        echo "This build script requires 'git' and 'cmake' to be installed." >&2
         echo "Please install them through your normal package installation system." >&2
         exit 1
 fi
@@ -20,7 +20,7 @@ fi
 echo " This build process requires all of the ioquake3 dependencies necessary for an ioquake3 server.
  If you do not have the necessary dependencies the build will fail.
 
- Please post a message to http://discourse.ioquake.org/ asking for help and include whatever error messages you received during the compile phase.
+ Please post a message to https://discourse.ioquake.org/ asking for help and include whatever error messages you received during the compile phase.
 
  We will be building from the git repo at ${IOQ3REMOTE}
  The resulting binary will be installed to ${COPYDIR}
@@ -38,8 +38,15 @@ while true; do
                 [Yy]*)
                         git clone $IOQ3REMOTE $BUILD_DIR/ioq3
                         cd $BUILD_DIR/ioq3
-                        make $MAKE_OPTS
-                        make copyfiles
+                        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release \
+                        -DBUILD_CLIENT="$DBUILD_CLIENT" \
+                        -DBUILD_SERVER="DBUILD_SERVER" \
+                        -DUSE_HTTP="$DUSE_HTTP" \
+                        -DUSE_CODEC_OPUS="$USE_CODEC_OPUS" \
+                        -DUSE_VOIP="$USE_VOIP" \
+                        $CMAKE_OPTS
+                        cmake --build build 
+                        cmake copyfiles
                         exit
                         ;;
                 [Nn]*)