Include all the tools under ccan_tools dir, hacked to work for me.

[ccan] / ccan_tools / talloc / libtalloc.m4

diff --git a/ccan_tools/talloc/libtalloc.m4 b/ccan_tools/talloc/libtalloc.m4
new file mode 100644 (file)
index 0000000..d2e8eba
--- /dev/null
+++ b/ccan_tools/talloc/libtalloc.m4
@@ -0,0 +1,33 @@
+dnl find the talloc sources. This is meant to work both for 
+dnl talloc standalone builds, and builds of packages using talloc
+tallocdir=""
+tallocpaths="$srcdir $srcdir/lib/talloc $srcdir/talloc $srcdir/../talloc"
+for d in $tallocpaths; do
+       if test -f "$d/talloc.c"; then
+               tallocdir="$d"          
+               AC_SUBST(tallocdir)
+               break;
+       fi
+done
+if test x"$tallocdir" = "x"; then
+   AC_MSG_ERROR([cannot find talloc source in $tallocpaths])
+fi
+TALLOC_OBJ="talloc.o"
+AC_SUBST(TALLOC_OBJ)
+
+TALLOC_CFLAGS="-I$tallocdir"
+AC_SUBST(TALLOC_CFLAGS)
+
+TALLOC_LIBS=""
+AC_SUBST(TALLOC_LIBS)
+
+AC_CHECK_SIZEOF(size_t,cross)
+AC_CHECK_SIZEOF(void *,cross)
+
+if test $ac_cv_sizeof_size_t -lt $ac_cv_sizeof_void_p; then
+       AC_WARN([size_t cannot represent the amount of used memory of a process])
+       AC_WARN([please report this to <samba-technical@samba.org>])
+       AC_WARN([sizeof(size_t) = $ac_cv_sizeof_size_t])
+       AC_WARN([sizeof(void *) = $ac_cv_sizeof_void_p])
+       AC_ERROR([sizeof(size_t) < sizeof(void *)])
+fi