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#!/bin/sh
USE_MMX=1
USE_CSS=1
LESS_OPT=
PLATFORM_CFLAGS="-malign-loops=2 -malign-jumps=2 -malign-functions=2 -march=i486"
DEBUG=
OPTIMIZE=-O2
OPTIMIZE_less=-O
DEFINES=
CC=gcc
for ac_option
do
case "$ac_option" in
--fixed-point)
CC=g++
DEFINES="$DEFINES -DUSE_FIXED_POINT"
;;
--lessopt)
LESS_OPT=1
;;
--no-mmx)
USE_MMX=0
;;
--no-css)
USE_CSS=0
;;
--debug)
DEBUG=-g
;;
--gcc-prefix=*)
CROSS=${ac_option#--gcc-prefix=}
PLATFORM_CFLAGS=""
;;
-h | --help | -help)
cat << EOF
Options:
--no-mmx Compile libmpeg3 with no MMX support.
--no-css Compile libmpeg3 with no CSS support.
--fixed-point Compile libmpeg3 to use integers instead of floats.
--debug Compile libmpeg3 with debug support.
EOF
exit 0
;;
*)
;;
esac
done
echo "Configuring libmpeg3"
cat > global_config << EOF
# DO NOT EDIT. EDIT ./configure INSTEAD AND RERUN IT.
EOF
if test -z "$CFLAGS"; then
CF="$DEFINES $DEBUG -funroll-loops -fomit-frame-pointer $PLATFORM_CFLAGS"
echo >> global_config "CFLAGS = $CF $OPTIMIZE"
if test -z "$LESS_OPT"; then
echo >> global_config "CFLAGS_lessopt = $CF $OPTIMIZE_less"
else
echo >> global_config "CFLAGS_lessopt = $CF $OPTIMIZE_less"
fi
fi
cat >> global_config << EOF
CC = ${CROSS}$CC
AR = ${CROSS}ar
NASM = nasm
EOF
if [ ${USE_CSS} = 1 ]; then
cat >> global_config << EOF
CFLAGS += -DHAVE_CSS
EOF
fi
if [ ${USE_MMX} = 1 ]; then
cat >> global_config << EOF
CFLAGS += -DHAVE_MMX
MMXOBJS = \
video/mmxidct.o \
video/reconmmx.o
MMXOBJS2 = \
mmxidct.o \
reconmmx.o
EOF
fi
echo "done"
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