docs/aclocal.m4

   1 dnl (C) 2003-2004 Jelmer Vernooij <jelmer@samba.org>
   2 dnl Published under the GNU GPL
   3 dnl
   4 dnl DOCS_DEFINE_TARGET
   5 dnl arg1: Target that is defined
   6 dnl arg2: Requirement
   7 dnl arg3: Official name
   8 dnl arg4: Makefile target name
   9
  10 AC_DEFUN(DOCS_DEFINE_TARGET, [
  11         if test "x$$1_REQUIRES" = x; then
  12                 $1_REQUIRES="$$2_REQUIRES"
  13         else
  14                 $1_REQUIRES="$$1_REQUIRES $$2_REQUIRES"
  15         fi
  16
  17         if test x"$$1_REQUIRES" = x; then
  18                 TARGETS="$TARGETS $4"
  19         else
  20                 AC_MSG_RESULT([Building the $3 requires : $$1_REQUIRES])
  21         fi
  22 ])
  23
  24 dnl DOCS_TARGET_REQUIRE_PROGRAM
  25 dnl arg1: program variable
  26 dnl arg2: program executable name
  27 dnl arg3: target that requires it
  28
  29 AC_DEFUN(DOCS_TARGET_REQUIRE_PROGRAM, [
  30         AC_PATH_PROG([$1], [$2])
  31         if test x"$$1" = x; then
  32                 if test x"$$3_REQUIRES" = x; then
  33                         $3_REQUIRES="$2"
  34                 else
  35                         $3_REQUIRES="$$3_REQUIRES $2"
  36                 fi
  37         fi
  38 ])
  39
  40 dnl DOCS_TARGET_REQUIRE_DIR
  41 dnl arg1: list of possible paths
  42 dnl arg2: file in dir know to exist
  43 dnl arg3: variable to store found path in
  44 dnl arg4: target that requires it
  45
  46 AC_DEFUN(DOCS_TARGET_REQUIRE_DIR, [
  47         AC_SUBST($3)
  48         for I in $1;
  49         do
  50                 test -f "$I/$2" && $3="$I"
  51         done
  52
  53         if test x$$3 = x; then
  54                 if test x"$$4_REQUIRES" = x; then
  55                         $4_REQUIRES="$3"
  56                 else
  57                         $4_REQUIRES="$$4_REQUIRES $3"
  58                 fi
  59         fi
  60 ])