libg1m/tools/write-header-config

#!/bin/sh
#******************************************************************************#
#  Arguments                                                                   #
#******************************************************************************#
# Initialize the variables
no_file=
version=

# Read the arguments
for arg ; do case "$arg" in
--no-file) no_file=y ;;
--version=*) version="${arg#*=}" ;;
*) echo "'${arg}': Did not read." ;;
esac; done

# Make version as numbers
vnum=$(echo ${version} | cut -d- -f1)
version_major=$(( $(echo ${vnum} | cut -d. -f1) ))
version_minor=$(( $(echo ${vnum} | cut -s -d. -f2) ))
version_rev=$(( $(echo ${vnum} | cut -s -d. -f3) ))
version_indev=$(echo ${version} | cut -s -d- -f2)
version_indev=$([ ${version_indev} ] && echo 1 || echo 0)

# Constitute version thingies
version_num=$(printf "0x%02X%02X%04X" \
	${version_major} ${version_minor} ${version_rev})

#******************************************************************************#
#  Write the file                                                              #
#******************************************************************************#
# Beginning
cat <<_EOF
#ifndef LIBG1M_CONFIG_H
# define LIBG1M_CONFIG_H
# define LIBG1M_VERSION "${version}"
# define LIBG1M_VERNUM ${version_num}
# define LIBG1M_MAJOR ${version_major}
# define LIBG1M_MINOR ${version_minor}
# define LIBG1M_REV ${version_rev}
# define LIBG1M_INDEV ${version_indev}

_EOF

# File part
if [ "$no_file" ]; then cat <<_EOF
/* FILE interface is disabled */
# define G1M_DISABLED_FILE 1

_EOF
fi

# End of the file
cat <<_EOF
#endif /* LIBG1M_CONFIG_H */
_EOF