m4/ax_submodule.m4

   1 AC_DEFUN([_AX_SUBMODULE],
   2 [
   3
   4 m4_if(m4_bregexp($3,|,choice),choice,
   5         [AC_ARG_WITH($2,
   6                 [AS_HELP_STRING([--with-$1=$3],
   7                                 [Which $1 to use [default=$4]])])])
   8 case "system" in
   9 $3)
  10         AC_ARG_WITH($2_prefix,
  11                     [AS_HELP_STRING([--with-$1-prefix=DIR],
  12                                     [Prefix of $1 installation])])
  13         AC_ARG_WITH($2_exec_prefix,
  14                     [AS_HELP_STRING([--with-$1-exec-prefix=DIR],
  15                                     [Exec prefix of $1 installation])])
  16 esac
  17 m4_if(m4_bregexp($3,build,build),build,
  18         [AC_ARG_WITH($2_builddir,
  19                 [AS_HELP_STRING([--with-$1-builddir=DIR],
  20                                 [Location of $1 builddir])])])
  21 if test "x$with_$2_prefix" != "x" -a "x$with_$2_exec_prefix" = "x"; then
  22         with_$2_exec_prefix=$with_$2_prefix
  23 fi
  24 if test "x$with_$2_prefix" != "x" -o "x$with_$2_exec_prefix" != "x"; then
  25         if test "x$with_$2" != "x" -a "x$with_$2" != "xsystem"; then
  26                 AC_MSG_ERROR([Setting $with_$2_prefix implies use of system $1])
  27         fi
  28         with_$2="system"
  29 fi
  30 if test "x$with_$2_builddir" != "x"; then
  31         if test "x$with_$2" != "x" -a "x$with_$2" != "xbuild"; then
  32                 AC_MSG_ERROR([Setting $with_$2_builddir implies use of build $1])
  33         fi
  34         with_$2="build"
  35         $2_srcdir=`echo @abs_srcdir@ | $with_$2_builddir/config.status --file=-`
  36         AC_MSG_NOTICE($1 sources in $$2_srcdir)
  37 fi
  38 if test "x$with_$2_exec_prefix" != "x"; then
  39         export PKG_CONFIG_PATH="$with_$2_exec_prefix/lib/pkgconfig${PKG_CONFIG_PATH+:$PKG_CONFIG_PATH}"
  40 fi
  41 case "$with_$2" in
  42 $3)
  43         ;;
  44 *)
  45         case "$4" in
  46         bundled)
  47                 if test -d $srcdir/.git -a \
  48                         -d $srcdir/$1 -a \
  49                         "`cd $srcdir; git submodule status $1 | cut -c1`" = '-'; then
  50                         AC_MSG_WARN([git repo detected, but submodule $1 not initialized])
  51                         AC_MSG_WARN([You may want to run])
  52                         AC_MSG_WARN([   git submodule init])
  53                         AC_MSG_WARN([   git submodule update])
  54                         AC_MSG_WARN([   sh autogen.sh])
  55                 fi
  56                 if test -f $srcdir/$1/configure; then
  57                         with_$2="bundled"
  58                 else
  59                         case "system" in
  60                         $3)
  61                                 with_$2="system"
  62                                 ;;
  63                         *)
  64                                 with_$2="no"
  65                                 ;;
  66                         esac
  67                 fi
  68                 ;;
  69         *)
  70                 with_$2="$4"
  71                 ;;
  72         esac
  73         ;;
  74 esac
  75 AC_MSG_CHECKING([which $1 to use])
  76 AC_MSG_RESULT($with_$2)
  77
  78 ])
  79
  80 AC_DEFUN([AX_SUBMODULE], [
  81         _AX_SUBMODULE($1, m4_bpatsubst([$1],
  82                         [[^_abcdefghijklmnopqrstuvwxyz0123456789]],[_]), $2, $3)
  83 ])