ascension: make/update-rules.sh@b7954818a6b7

     1 #!/bin/sh

     3 dir="$1"

     5 if [ -z "$dir" ]; then

     6   echo "Usage: $0 <src_dir>"

     7   exit 1

     8 fi

    10 if [ -d "$dir" ]; then

    11   :

    12 else

    13   echo "'$dir' is not a directory"

    14   exit 1

    15 fi

    17 if [ -z "$CC" ]; then

    18   for cc in gcc clang ; do

    19     if command -v "$cc" > /dev/null ; then

    20       CC="$cc"

    21       break

    22     fi

    23   done

    24 fi

    26 if [ -z "$CC" ]; then

    27   echo "No suitable compiler found to generate make rules"

    28   exit 1

    29 fi

    31 if command -v sed > /dev/null ; then

    32   :

    33 else

    34   echo "You need the 'sed' program for this script to work."

    35   exit 1

    36 fi

    38 cd "$dir"

    40 mv Makefile Makefile.old

    41 sed '/FORCE:/q' Makefile.old > Makefile

    42 echo >> Makefile

    43 for file in `ls *.c` ; do

    44   "$CC" -MT "\$(BUILD_DIR)/${file/.c/.o}" -MM $CFLAGS "$file"

    45   printf '\t@echo "Compiling $<"\n'

    46   printf '\t$(CC) -o $@ $(CFLAGS) -c $<\n\n'

    47 done  >> Makefile

    48 rm Makefile.old

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