git.ozlabs.org Git - ccan/blob - ccan_tools/talloc/libtalloc.m4

   1 dnl find the talloc sources. This is meant to work both for
   2 dnl talloc standalone builds, and builds of packages using talloc
   3 tallocdir=""
   4 tallocpaths="$srcdir $srcdir/lib/talloc $srcdir/talloc $srcdir/../talloc"
   5 for d in $tallocpaths; do
   6         if test -f "$d/talloc.c"; then
   7                 tallocdir="$d"
   8                 AC_SUBST(tallocdir)
   9                 break;
  10         fi
  11 done
  12 if test x"$tallocdir" = "x"; then
  13    AC_MSG_ERROR([cannot find talloc source in $tallocpaths])
  14 fi
  15 TALLOC_OBJ="talloc.o"
  16 AC_SUBST(TALLOC_OBJ)
  17
  18 TALLOC_CFLAGS="-I$tallocdir"
  19 AC_SUBST(TALLOC_CFLAGS)
  20
  21 TALLOC_LIBS=""
  22 AC_SUBST(TALLOC_LIBS)
  23
  24 AC_CHECK_SIZEOF(size_t,cross)
  25 AC_CHECK_SIZEOF(void *,cross)
  26
  27 if test $ac_cv_sizeof_size_t -lt $ac_cv_sizeof_void_p; then
  28         AC_WARN([size_t cannot represent the amount of used memory of a process])
  29         AC_WARN([please report this to <samba-technical@samba.org>])
  30         AC_WARN([sizeof(size_t) = $ac_cv_sizeof_size_t])
  31         AC_WARN([sizeof(void *) = $ac_cv_sizeof_void_p])
  32         AC_ERROR([sizeof(size_t) < sizeof(void *)])
  33 fi