games/mars: Fix 15.0 build.

Signed-off-by: B. Watson <yalhcru@gmail.com>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

games/mars/mars.SlackBuild

@@ -22,6 +22,8 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20220222 bkw: Modified by SlackBuilds.org: fix build on 15.0.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=mars
@@ -41,9 +43,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -69,18 +68,25 @@ fi
 
 set -e
 
+# 20220222 bkw: depending on what client was used to download the file,
+# it may have CGI parameters in the filename.
+TARBALL=$CWD/${SRCNAM}_$VERSION.tar.gz
+if [ ! -e $TARBALL ]; then
+  TARBALL="$( /bin/ls $TARBALL\?* | head -1 )"
+fi
+
 rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
 rm -rf $SRCDIR
-tar xvf $CWD/$SRCNAM\_$VERSION.tar.gz || tar xvf $CWD/v$VERSION.tar.gz
+tar xvf $TARBALL
 cd $SRCDIR
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
+  -o -perm 511 \) -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+
 
 # Fix build with SFML-2.1
 # https://github.com/thelaui/M.A.R.S./pull/2
@@ -99,7 +105,7 @@ sed -i \
 mkdir -p build
 cd build
   cmake \
-    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS $FRIBIDIFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -std=gnu++11 $FRIBIDIFLAGS" \
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DCMAKE_BUILD_TYPE=Release ..
   make