universe@8: #!/bin/sh
universe@8: 
universe@8: dir="$1"
universe@8: 
universe@8: if [ -z "$dir" ]; then
universe@8:   echo "Usage: $0 <src_dir>"
universe@8:   exit 1
universe@8: fi
universe@8: 
universe@8: if [ -d "$dir" ]; then
universe@8:   :
universe@8: else
universe@8:   echo "'$dir' is not a directory"
universe@8:   exit 1
universe@8: fi
universe@8: 
universe@8: if [ -z "$CC" ]; then
universe@8:   for cc in gcc clang ; do
universe@8:     if command -v "$cc" > /dev/null ; then
universe@8:       CC="$cc"
universe@8:       break
universe@8:     fi
universe@8:   done
universe@8: fi
universe@8: 
universe@8: if [ -z "$CC" ]; then
universe@8:   echo "No suitable compiler found to generate make rules"
universe@8:   exit 1
universe@8: fi
universe@8: 
universe@8: if command -v sed > /dev/null ; then
universe@8:   :
universe@8: else
universe@8:   echo "You need the 'sed' program for this script to work."
universe@8:   exit 1
universe@8: fi
universe@8: 
universe@8: cd "$dir"
universe@8: 
universe@8: mv Makefile Makefile.old
universe@8: sed '/FORCE:/q' Makefile.old > Makefile
universe@8: echo >> Makefile
universe@8: for file in `ls *.c` ; do
universe@8:   "$CC" -MT "\$(BUILD_DIR)/${file/.c/.o}" -MM $CFLAGS "$file"
universe@8:   printf '\t@echo "Compiling $<"\n'
universe@8:   printf '\t$(CC) -o $@ $(CFLAGS) -c $<\n\n'
universe@8: done  >> Makefile
universe@8: rm Makefile.old