2 # hdw-linux Config script
4 # author: hackbard@hackdaworld.org
6 # script initializing environment
13 -stage) stage="$2" ; shift 2 ;;
17 echo " ./scripts/Config -stage <stagelevel>"
23 if [ -z "$stage" ]; then
24 echo "something went wrong, no stage specified."
28 # execute Config file & create symlink to doc/README + doc/BUILD
29 if [ -f ./Config ] ; then
31 echo "setting hdw_home_dir to $hdw_home_dir"
32 echo "reading ./Config file"
34 [ ! -s ./README ] && ln -s ./doc/README .
35 [ ! -s ./BUILD ] && ln -s ./doc/BUILD .
36 [ ! -s ./INSTALL ] && ln -s ./doc/INSTALL .
37 [ ! -s ./License ] && ln -s ./doc/License .
39 echo "./Config file not found. are you in correct directory?"
43 # define the toolchain name, default: "toolchain"
44 [ -z "$hdw_tc_name" ] && hdw_tc_name="toolchain"
45 export tc_name=$hdw_tc_name
47 # lets see what root is:
49 if [ "$hdw_crossbuild" != "0" -o "$stage" -lt "2" ] ; then
50 # check for properly configured build directory
51 if [ -z "$hdw_build_dir" ] ; then
52 echo "please set hdw_build_dir in ./Config!"
54 elif [ ! -d $hdw_build_dir ] ; then
55 echo "please set _existing_ hdw_build_dir in ./Config"
58 echo "hdw_build_dir variable set to $hdw_build_dir"
63 # setting up general environment, now that we know $root
67 [ "$stage" -lt "2" -o "$hdw_crossbuild" != "0" ] && \
68 export PATH="$root/${hdw_tc_name}/bin:$PATH"
70 # let's do optimization and care for crossbuilds
72 # as gnu autoconf terminology has been confusing me again and again,
73 # there are a few comments following ;)
75 # ref: gcc docs - hardware models and configurations
76 # @ http://gcc.gnu.org/onlinedocs/
79 # --build: the system the actual executable is created on. uname will tell us.
80 # you may set hdw_real_build, or
81 # you may fake uname output using fake_utsname kernel module!
82 if [ -n "`uname --version | grep sh-utils`" ] ; then
83 hdw_arch_build="`uname -m -p | tr " " -`-linux-gnu"
85 hdw_arch_build="`uname -m`-unknown-linux-gnu"
87 [ -n "$hdw_real_build" ] && hdw_arch_build="${hdw_real_build}-unknown-linux-gnu"
89 # --target: the system for which the executable is going to produce code.
91 ia32) if [ -z "$hdw_arch_opt" ] ; then
92 hdw_arch_target="i386-pc-linux-gnu"
94 hdw_arch_target="${hdw_arch_opt}-pc-linux-gnu"
95 hdw_cflags="-march=${hdw_arch_opt}"
97 hdw_arch_build=${hdw_arch_build//unknown/pc} ;;
98 sparc*) if [ -z "$hdw_arch_opt" ] ; then
99 hdw_arch_target="$hdw_arch-unknown-linux-gnu"
101 hdw_arch_target="$hdw_arch-unknown-linux-gnu"
102 hdw_cflags="-march={hdw_arch_opt}"
105 hdw_arch_target="powerpc-unknown-linux-gnu"
106 if [ -z "$hdw_arch_opt" ] ; then
107 hdw_cflags="-mcpu=common"
109 hdw_cflags="-mcpu=${hdw_arch_opt}"
111 hdw_arch_build=${hdw_arch_build//ppc/powerpc} ;;
113 hdw_arch_target="powerpc64-unknown-linux-gnu"
114 if [ -z "$hdw_arch_opt" ] ; then
115 hdw_cflags="-mcpu=common"
117 hdw_cflags="-mcpu=${hdw_arch_opt}"
119 hdw_arch_build=${hdw_arch_build//ppc64/powerpc64} ;;
120 mips) hdw_arch_target="mips-unknown-linux-gnu"
121 if [ -z "$hdw_arch_opt" ] ; then
122 echo "info: no optimization set"
124 hdw_cflags="-march=${hdw_arch_opt}"
126 *) echo "$hdw_arch_target not supported yet"
127 echo "please choose a valid optimization and build platform."
131 # --host: system where the created executable runs on.
132 hdw_arch_host=${hdw_arch_build}
133 [ "$stage" != "0" -a "$hdw_crossbuild" = "0" ] && \
134 hdw_arch_host=${hdw_arch_target}
137 # optimization only at stages >= 1
138 if [ -n "$hdw_opt" -a "$stage" != "0" ] ; then
139 hdw_cflags="-O${hdw_opt} $hdw_cflags"
146 [ "$stage" != "0" ] && hdw_arch_prefix="$hdw_arch_target-"
148 # print decissions for debugging ...
149 echo "root variable set to '$root'"
150 echo "hdw_arch_target variable set to $hdw_arch_target"
151 echo "hdw_arch_build variable set to $hdw_arch_build"
152 echo "hdw_arch_host variable set to $hdw_arch_host"
153 echo "hdw_arch_prefix variable set to '$hdw_arch_prefix'"
154 echo "hdw_cflags variable set to '$hdw_cflags'"
155 echo "hdw_tc_name set to '$hdw_tc_name'"
157 # lets see what we are going to build
158 if [ -z $hdw_target ] ; then
159 echo "please set hdw_target in ./Config!"
161 elif [ ! -d ./targets/$hdw_target ] ; then
162 echo "please set _existing_ hdw_target in ./Config!"
165 echo "hdw_target variable set to $hdw_target"