more compiler support

mpeg2dec/configure.in

@@ -61,6 +61,9 @@ elif test x"$CC" = x"tcc" -a x"`$CC -version 2>&1 | grep TenDRA`" != x""; then
     enable_mlib=no
     no_x=yes
     enable_sdl=no
+elif test x"$CC" = x"icc" -a x"`$CC -V 2>&1 | grep Intel`" != x""; then
+    dnl Intel C++ compiler
+    CFLAGS="-g -O3 -unroll -ip"
 else
     dnl non-gcc flags - we probably need exact configuration triplets here.
     case "$host_alias" in

mpeg2dec/test/compile

@@ -25,7 +25,7 @@ basedir=`cd $basedir;pwd`
 cd $builddir
 rm -fr compile_test
 
-for compiler in gcc gcc272 gcc-3.0 cc tcc; do
+for compiler in gcc gcc272 gcc-3.0 cc checkergcc tcc icc; do
     compiler_path=`which $compiler`;
     if test x"$compiler_path" = x""; then continue; fi
     compiler_inode=`ls -Li $compiler_path|awk '{print $1}'`

mpeg2dec/test/globals

@@ -13,7 +13,7 @@ srcdir=`cd $srcdir;pwd`
 builddir=`cd $builddir;pwd`
 
 bad_globals=`nm -g --defined-only $builddir/../libmpeg2/*.o|\
-    awk '{if ($3) print $3}'|grep -v '^mpeg2_'`
+    awk '{if ($3) print $3}'|grep -v '^_\?mpeg2_'`
 
 if test x"$bad_globals" != x""; then
     echo BAD GLOBAL SYMBOLS: