m4/ax_submodule.m4

   1 AC_DEFUN([AX_SUBMODULE],
   2 [
   3
   4 m4_if(m4_bregexp($2,|,choice),choice,
   5         [AC_ARG_WITH($1,
   6                 [AS_HELP_STRING([--with-$1=$2],
   7                                 [Which $1 to use [default=$3]])])])
   8 case "system" in
   9 $2)
  10         AC_ARG_WITH($1_prefix,
  11                     [AS_HELP_STRING([--with-$1-prefix=DIR],
  12                                     [Prefix of $1 installation])])
  13         AC_ARG_WITH($1_exec_prefix,
  14                     [AS_HELP_STRING([--with-$1-exec-prefix=DIR],
  15                                     [Exec prefix of $1 installation])])
  16 esac
  17 m4_if(m4_bregexp($2,build,build),build,
  18         [AC_ARG_WITH($1_builddir,
  19                 [AS_HELP_STRING([--with-$1-builddir=DIR],
  20                                 [Location of $1 builddir])])])
  21 if test "x$with_$1_prefix" != "x" -a "x$with_$1_exec_prefix" = "x"; then
  22         with_$1_exec_prefix=$with_$1_prefix
  23 fi
  24 if test "x$with_$1_prefix" != "x" -o "x$with_$1_exec_prefix" != "x"; then
  25         if test "x$with_$1" != "x" -a "x$with_$1" != "xsystem"; then
  26                 AC_MSG_ERROR([Setting $with_$1_prefix implies use of system $1])
  27         fi
  28         with_$1="system"
  29 fi
  30 if test "x$with_$1_builddir" != "x"; then
  31         if test "x$with_$1" != "x" -a "x$with_$1" != "xbuild"; then
  32                 AC_MSG_ERROR([Setting $with_$1_builddir implies use of build $1])
  33         fi
  34         with_$1="build"
  35         $1_srcdir=`echo @abs_srcdir@ | $with_$1_builddir/config.status --file=-`
  36         AC_MSG_NOTICE($1 sources in $$1_srcdir)
  37 fi
  38 case "$with_$1" in
  39 $2)
  40         ;;
  41 *)
  42         case "$3" in
  43         bundled)
  44                 if test -d $srcdir/.git -a \
  45                         -d $srcdir/$1 -a \
  46                         ! -d $srcdir/$1/.git; then
  47                         AC_MSG_WARN([git repo detected, but submodule $1 not initialized])
  48                         AC_MSG_WARN([You may want to run])
  49                         AC_MSG_WARN([   git submodule init])
  50                         AC_MSG_WARN([   git submodule update])
  51                         AC_MSG_WARN([   sh autogen.sh])
  52                 fi
  53                 if test -f $srcdir/$1/configure; then
  54                         with_$1="bundled"
  55                 else
  56                         with_$1="no"
  57                 fi
  58                 ;;
  59         *)
  60                 with_$1="$3"
  61                 ;;
  62         esac
  63         ;;
  64 esac
  65 AC_MSG_CHECKING([which $1 to use])
  66 AC_MSG_RESULT($with_$1)
  67
  68 ])