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xsddz/create-makefile

Last active December 15, 2015 15:09
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根据源码生成 makefile 文件。
Raw
create-makefile
#!/bin/bash
# filename: create_makefile.sh
#
# function definiton {{{
#===============================================================================
usage()
{
echo "Usage: $script_file_name [options] {main_source_program_name [...]}"
echo
echo "description:"
echo "the first specified source_program_name must be the the program"
echo "which has the main funtion, you can also specify the"
echo "auxiliary program name after it if needed."
echo
echo "options:"
echo " -h, --help: print this help page."
echo " -r : used for a release version."
echo " -e {name} : specify the the final name for execute the project."
exit 0
}
error_option()
{
echo "You had misused the $script_file_name shell script"
echo "Enter $script_file_name -h for help."
exit 1
}
set_main_target_name()
{
main_target_name="$1"
#echo $main_target_name
}
create_main_target()
{
curr_filename=$(basename -- $1)
if [ "X$main_target_name" = "X" ]; then
set_main_target_name ${curr_filename%.c}
fi
if [ "X$src_prgm_name_set" != "X" ]; then # same as [ "X$object_set" != "X" ]; then
src_prgm_name_set="$src_prgm_name_set $curr_filename"
object_set="$object_set $(echo $curr_filename | sed 's/\(.*\)\.c/\1.o/')"
else
src_prgm_name_set=$curr_filename
object_set=$(echo $curr_filename | sed 's/\(.*\)\.c/\1.o/')
fi
#echo $curr_filename
#echo $src_prgm_name_set
#echo $object_set
}
create_obj_target()
{
curr_filename=$(basename -- $1)
if [ "X$object_target_set" != "X" ]; then
object_target_set="${object_target_set}\n$($compiler -MM ${curr_path}$curr_filename)"
else
object_target_set=$($compiler -MM ${curr_path}$curr_filename)
fi
#echo $curr_filename
#echo -e $object_target_set
}
change_cflags()
{
cflags=$(echo $cflags | sed 's/\(.*\) *-g \(.*\)/\1 \2/')
#echo $cflags
}
create_makefile()
{
echo "# start makefile"
echo "#"
echo
echo "CC = gcc"
echo "CFLAGS = $cflags"
echo "RM = rm -f"
echo
echo "all = $main_target_name"
echo "objects = $object_set"
echo
echo
echo -e "\$(all): \$(objects)"
echo -e "\t\$(CC) \$(CFLAGS) -o \$@ \$(objects)"
echo
echo -e "$object_target_set"
echo
echo
echo ".PHINY: clean clean_exe"
echo "clean:"
echo -e "\t-\$(RM) *.o"
echo "clean_exe:"
echo -e "\t-\$(RM) *.exe"
echo "#"
echo "# end makefile"
}
#===============================================================================
# }}}
# here we start the script
[ $# -eq 0 ] && exit 0
curr_path='./'
script_file_name=$(basename $0)
compiler=gcc
cflags="-g -Wall -O3"
src_prgm_name_set=""
curr_filename=""
main_target_name=""
object_set=""
object_target_set=""
while [ $# -gt 0 ]; do
case $1 in
-e)
shift
[ $# -eq 0 ]\
|| [ "X$1" = "X-h" ]|| [ "X$1" = "X--help" ]\
|| [ "X$1" = "X-e" ] || [ "X$1" = "X-r" ]\
&& error_option
set_main_target_name $1
;;
-r)
change_cflags
;;
-h | --help)
usage $script_file_name
;;
-[[:alpha:]])
error_option
;;
*)
create_main_target $1
create_obj_target $1
;;
esac
shift
done
[ "X$src_prgm_name_set" = "X" ] && error_option
printf 'creating "Makefile.auto"..........'
# backup original makefile which havn't used anymore {{{
#[ -e Makefile ] && mv Makefile Makefile.old
#[ -e makefile ] && mv makefile makefile.old
# }}}
create_makefile > Makefile.auto
printf "\t[ok]\n"
# print variable's value which haven't used anymore {{{
#echo "curr_path: $curr_path"
#echo "script_filename: $script_file_name"
#echo "compiler: $compiler"
#echo "cflags: $cflags"
#echo "src_prgm_name_set: $src_prgm_name_set"
#echo "curr_filename: $curr_filename"
#echo "main_target_name: $main_target_name"
#echo "object_set: $object_set"
#echo "object_target_set: $object_target_set"
# }}}
unset curr_path curr_filename script_file_name compiler cflags src_prgm_name_set main_target object_set object_target_set
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