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SMake/smake.sh

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#!/bin/bash
# Usage examples:
# smake.sh --help
# smake.sh -t main
# smake.sh -t server -t client -i ~/projects/include -i ~/projects/gnulib -lpthread -lexpat
# smake.sh -t "program1 program2" -c gcc -x g++ -i "~/my_include /usr/local/include" -l "-llist -lhash"
REP_CC=cc
REP_CXX=c++
REP_INCLUDE='$(HOME)/projects/include /usr/local/include'
REP_LIBRARIES=
REP_TARGET=target
# SMAKE_DIR=~/etc/smake
SMAKE_DIR=`realpath "$0"`
SMAKE_DIR=${SMAKE_DIR%/*}
HELP_FILE=$SMAKE_DIR/help.smk
ENV_FILE=$SMAKE_DIR/env.smk
BUILD_FILE=$SMAKE_DIR/build.smk
RULES_FILE=$SMAKE_DIR/rules.smk
# Debug
DEBUG=1
# Parameters processing
TEMP=`getopt -o hc:x:i:l:t: --long help,cc:,cxx:,include:,libraries:,target: -- "$@"`
eval set -- "$TEMP"
include_changed=false
libraries_changed=false
target_changed=false
while true ; do
case "$1" in
-h|--help) echo "Usage: smake.sh [key]... [goal]..." ;
echo "Keys:"
echo -e "-h, --help\t\t\tShow this help and exit."
echo -e "-c [CC], --cc [CC]\t\tUse CC as C compiler."
echo -e "-x [CXX], --cxx [CXX]\t\tUse CXX as C++ compiler."
echo -e "-i [INC], --include [INC]\tSet INC as include path."
echo -e "-l [LIB], --libraries [LIB]\tSet LIB as libraries that must be linked with."
echo -e "-t [TGT], --target [TGT]\tSet TGT as target name."
echo
echo -e "This program works on any Linux with GNU Baurne's shell"
echo -e "Report bugs to <mecareful@gmail.com>"
exit 0 ;
;;
-c|--cc) REP_CC=$2 ; echo "CC=$REP_CC" ; shift 2 ;;
-x|--cxx) REP_CXX=$2 ; echo "CXX=$REP_CXX" ; shift 2 ;;
-i|--include) [ $include_changed == false ] && REP_INCLUDE="" && include_changed=true; REP_INCLUDE="$REP_INCLUDE `echo $2 | sed "s~\~~\$\(HOME\)~g; s~^${HOME}~\$\(HOME\)~g ; s~/*$~~g"`" ; shift 2 ;;
-l|--libraries) [ $libraries_changed == false ] && REP_LIBRARIES="" && libraries_changed=true; REP_LIBRARIES="$REP_LIBRARIES $2" ; shift 2 ;;
-t|--target) [ $target_changed == false ] && REP_TARGET="" && target_changed=true; REP_TARGET="$REP_TARGET $2"; shift 2 ;;
--) shift ; break ;;
*) echo "Internal error!" ; exit 1 ;;
esac
done
# ======= Show Environment =======
REP_INCLUDE="`echo $REP_INCLUDE | sed 's~ ~\n~g' | sort -u | tr '\n' ' '`"
echo "INCLUDE=$REP_INCLUDE";
REP_LIBRARIES=`echo $REP_LIBRARIES | sed 's~\<\([A-Za-z]\)~-l\1~g'`
echo "LIBRARIES=$REP_LIBRARIES";
# ======= Help =======
cat $HELP_FILE > Makefile
echo >> Makefile
# ======= Test for target =======
TARGET_SRC=
for tgt in $REP_TARGET; do
tgt_src=
for ext in c cpp cxx cc; do
[ -f "$tgt.$ext" ] && tgt_src=$tgt.$ext && break
done
[ "$tgt_src" == "" ] && echo "source file for $tgt not found" && exit -1
TARGET_SRC="$TARGET_SRC $tgt_src"
done
# ======= Environment =======
tmp=$REP_TARGET
REP_TARGET=
i=0
for tgt in $tmp; do
REP_TARGET="$REP_TARGET TARGET$i=$tgt"
let i++
done
REP_TARGET=`echo $REP_TARGET | sed 's~ ~\\\n~g'`
REP_TARGET="$REP_TARGET\nTARGET="
i=0
for tgt in $tmp; do
REP_TARGET="$REP_TARGET \$\(TARGET$i\)"
let i++
done
sed "s~REP_CC~$REP_CC~ ; s~REP_CXX~$REP_CXX~ ; \
s~REP_LIBRARIES~$REP_LIBRARIES~ ; s~REP_TARGET~$REP_TARGET~" $ENV_FILE >> Makefile
i=1
for d in $REP_INCLUDE; do
echo "INCLUDE$i=$d" >> Makefile
let i++
done
echo -n "INCLUDE=" >> Makefile
i=1
for d in $REP_INCLUDE; do
if [ $i != 1 ]; then
echo -n ' ' >> Makefile
fi
echo -n '-I$(INCLUDE'$i')' >> Makefile
let i++
done
echo >> Makefile
echo >> Makefile
# ======= Build =======
cat $BUILD_FILE >> Makefile
echo >> Makefile
# ======= Rules =======
cat $RULES_FILE >> Makefile
REP_INCLUDE=`echo $REP_INCLUDE | sed "s~-I~~g ; s~\\$(HOME)~${HOME}~g"`
nfiles=0
for tgt_src in $TARGET_SRC; do
flist[$nfiles]=$tgt_src
fpath[$nfiles]=$tgt_src
fdeplist[$nfiles]=`$SMAKE_DIR/remove_c_comments.pl $tgt_src | grep -P '^[\t ]*#include[\t ]*"' | sed 's~[^"]*"\([^"]*\)".*~\1~' | sort -u`
let nfiles++
done
nparsed=0
files_not_found=
# Building common for all targets dependencies tree
while [ $nfiles != $nparsed ]; do
for f in ${fdeplist[$nparsed]}; do
extension=`basename $f | sed 's~.*\.~~g'`
f=`echo $f | sed "s~.$extension$~~"`
extensions=$extension
[[ "$extension" == h || "$extension" == hpp || "$extension" == "hxx" || "$extension" == "hh" ]] && extensions="$extension c cpp cxx cc"
already_in_list=false
for ext in $extensions; do
for i in `seq 0 $((nfiles))`; do
if [ "${flist[$i]}" == "$f.$ext" ]; then
already_in_list=true
break;
fi
done
[ $already_in_list == true ] && continue
F=
for d in . $REP_INCLUDE; do
if [ -f "$d/$f.$ext" ]; then
F="$d/$f.$ext"
elif [ -f "$d/`basename $f.$ext`" ]; then
F="$d/`basename $f.$ext`"
fi
if [ "$F" != "" ]; then
flist[$nfiles]=$f.$ext
fpath[$nfiles]=$F
fdeplist[$nfiles]=`$SMAKE_DIR/remove_c_comments.pl $F | grep -P '^[\t ]*#include[\t ]*"' | sed 's~[^"]*"\([^"]*\)".*~\1~' | sort -u`
let nfiles++
break
fi
done
[[ "$F" == "" && "$ext" == "$extension" ]] && files_not_found=`echo "$files_not_found\n$f.$ext" | sort -u`
[[ "$F" != "" && "$ext" != "$extension" ]] && break
done
[ $already_in_list == true ] && continue
done
let nparsed++
done
#for i in `seq 0 $((nfiles-1))`; do
# echo ----
# echo
# echo `echo ${flist[$i]}[${fpath[$i]}]: ${fdeplist[$i]}`
#done
# ======= Target rules =======
target_objs=
i=0
for tgt_src in $TARGET_SRC; do
target_objs=${fdeplist[$i]}
_target_objs=
while [ "$target_objs" != "$_target_objs" ]; do
_target_objs=$target_objs
for j in `seq 0 $((nfiles-1))`; do
if [ "`echo $target_objs | grep \"\<${flist[$j]}\>\"`" != "" ]; then
target_objs="$target_objs ${fdeplist[$j]}"
extension=`basename ${flist[$j]} | sed 's~.*\.~~g'`
f=`echo ${flist[$j]} | sed "s~.$extension$~~"`
for k in `seq 0 $((nfiles-1))`; do
if [[ "${flist[$k]}" == "$f.c" || "${flist[$k]}" == "$f.cpp"
|| "${flist[$k]}" == "$f.cxx" || "${flist[$k]}" == "$f.cc" ]]; then
if [ "$tgt_src" != "${flist[$k]}" ]; then
target_objs="$target_objs ${flist[$k]}"
fi
fi
done
fi
target_objs=`echo $target_objs | sed 's~ ~\n~g' | sort -u`
done
done
echo -n "target_objs$i =" >> Makefile
extension=`basename $tgt_src | sed 's~.*\.~~g'`
f=`echo $tgt_src | sed "s~.$extension$~~"`
echo ' \' >> Makefile
echo -ne "\t`basename $f.o`" >> Makefile
for obj_f in $target_objs; do
extension=`basename $obj_f | sed 's~.*\.~~g'`
f=`echo $obj_f | sed "s~.$extension$~~"`
[[ "$extension" != c && "$extension" != cpp
&& "$extension" != cxx && "$extension" != cc ]] && continue
echo ' \' >> Makefile
echo -ne "\t`basename $f.o`" >> Makefile
done
echo >> Makefile
echo >> Makefile
echo '$(TARGET'$i'): $(target_objs'$i')' >> Makefile
echo -e '\t$(CC) $(LDFLAGS) -o $@ $(target_objs'$i')' >> Makefile
echo >> Makefile
echo >> Makefile
let i++
done
#echo $tgt_src:$target_objs
ntargets=0
for tgt_src in $TARGET_SRC; do
let ntargets++
done
# ======= Object's rules =======
for i in `seq 0 $((nfiles-1))`; do
extension=`basename ${flist[$i]} | sed 's~.*\.~~g'`
f=`echo ${flist[$i]} | sed "s~.$extension$~~"`
[[ "$extension" != c && "$extension" != cpp
&& "$extension" != cxx && "$extension" != cc ]] && continue
echo -n `basename $f.o:` >> Makefile
dep_lst=${fdeplist[$i]}
_dep_lst=
while [ "$dep_lst" != "$_dep_lst" ]; do
_dep_lst="$dep_lst"
for fl in $_dep_lst; do
for j in `seq 0 $((nfiles-1))`; do
if [ "$fl" == "${flist[$j]}" ]; then
dep_lst="$dep_lst ${fdeplist[$j]}"
fi
done
done
dep_lst=`echo $dep_lst | sed 's~ ~\n~g' | sort -u`
done
dep_lst="${flist[$i]} $dep_lst"
for fl in $dep_lst; do
for j in `seq 0 $((nfiles-1))`; do
if [ "${flist[$j]}" == "$fl" ]; then
echo ' \' >> Makefile
echo -ne "\t" >> Makefile
fname=${fpath[$j]}
k=1
for d in $REP_INCLUDE ; do
_fname=`echo ${fpath[$j]} | sed "s~^$d~\$\(INCLUDE$k\)~"`
[ "$_fname" != "${fpath[$j]}" ] && fname=$_fname
let k++
done
fname=`echo $fname | sed "s~^${HOME}~\$\(HOME\)~g ; s~^\./~~g"`
echo -n "$fname" >> Makefile
break
fi
done
done
echo >> Makefile
echo >> Makefile
done
# ======= Warning =======
files_not_found=`echo -e "$files_not_found" | sort -u`
if [ "$files_not_found" != "" ]; then
echo WARNING: Include files not found: $files_not_found
fi
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