build.sh

   1 #!/bin/sh -ex
   2
   3 build()
   4 {
   5         mkfile="$1"
   6
   7         exec 9>&1
   8         exec 1>"${MKDIR}/${mkfile}"
   9
  10         cat << EOF
  11 # ${mkfile}
  12 #
  13 EOF
  14         sed -e 's/^/# /' "${TOPDIR}/LICENSE"
  15         cat << EOF
  16
  17 ifndef ${mkfile}
  18 ${mkfile}=              y
  19
  20 EOF
  21         cat "${SRCDIR}/default-head.mk"
  22         echo
  23         cat "${SRCDIR}/${mkfile}"
  24         echo
  25         cat "${SRCDIR}/default-tail.mk"
  26         cat << EOF
  27
  28 endif # ndef ${mkfile}
  29 EOF
  30
  31         exec 1>&9-
  32 }
  33
  34 cleandir()
  35 {
  36         dir="${1}"
  37
  38         find "${dir}" -mindepth 1 -maxdepth 1 -and ! -name .gitignore -print0 | xargs -0 rm -fr
  39         mkdir -p "${MKDIR}"
  40 }
  41
  42 automakefile()
  43 {
  44         makefile="Makefile"
  45         prog="`basename "${PWD}"`"
  46
  47         exec 9>&1
  48         exec 1>"${makefile}"
  49
  50         cat << EOF
  51 # ${makefile}
  52
  53 PROGS=  ${prog}
  54
  55 ${prog}_SRCS=   \\
  56 EOF
  57
  58         tmpfile="`mktemp "/tmp/${0##*/}-$$.XXXXXX"`"
  59         find . -name '*.c' -or -iname '*.cpp' -or -iname '*.cxx' -or -iname '*.c++' > "${tmpfile}"
  60         head -n -1 < "${tmpfile}" | sed -e 's/^/\t/;s/$/ \\/'
  61         tail -n 1 < "${tmpfile}" | sed -e 's/^/\t/'
  62
  63         for incdir in ./include; do
  64                 [ -d "${incdir}" ] || continue
  65                 echo "${incdir}"
  66         done > "${tmpfile}"
  67
  68         if [ -s "${tmpfile}" ]; then
  69                 echo
  70                 echo "${prog}_INCDIRS=  \\"
  71                 head -n -1 < "${tmpfile}" | sed -e 's/^/\t/;s/$/ \\/'
  72                 tail -n 1 < "${tmpfile}" | sed -e 's/^/\t/'
  73         fi
  74
  75         cat << EOF
  76
  77 include ${MKDIR}/build.mk
  78 EOF
  79         exec 1>&9-
  80
  81         rm -f "${tmpfile}"
  82
  83         cat "${makefile}"
  84 }
  85
  86 MKDIR="mk"
  87 TOPDIR="`dirname "${0}"`"
  88 SRCDIR="${TOPDIR}/src"
  89
  90 cleandir "${MKDIR}"
  91
  92 build build.mk
  93 build subdir.mk
  94
  95 [ -f Makefile ] || automakefile