ucx: make/update-rules.sh@e59b76889f00

     1 #!/bin/sh

     3 dir="$1"

     4 target="$2"

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

     7   echo "Usage: $0 <src_dir>"

     8   exit 1

     9 fi

    11 if [ -z "$target" ]; then

    12   target='$(build_dir)'

    13 fi

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

    16   :

    17 else

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

    19   exit 1

    20 fi

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

    23   for cc in gcc clang ; do

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

    25       CC="$cc"

    26       break

    27     fi

    28   done

    29 fi

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

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

    33   exit 1

    34 fi

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

    37   :

    38 else

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

    40   exit 1

    41 fi

    43 cd "$dir"

    45 mv Makefile Makefile.old

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

    47 echo >> Makefile

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

    49   "$CC" -MT "$target/${file/.c/\$(OBJ_EXT)}" -MM $CFLAGS "$file"

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

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

    52 done  >> Makefile

    53 rm Makefile.old

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