X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fccan_tools%2Ftalloc%2Flibtalloc.m4;fp=ccan%2Fccan_tools%2Ftalloc%2Flibtalloc.m4;h=d2e8eba81a4ce33a05b10689300c55d0c83435d7;hb=3b07a088e47dffe99415cb01f42ea89c9185bdc5;hp=0000000000000000000000000000000000000000;hpb=4b884e9e3bff9f777f705d364627ce49ff4cedd6;p=ponghero.git

diff --git a/ccan/ccan_tools/talloc/libtalloc.m4 b/ccan/ccan_tools/talloc/libtalloc.m4
new file mode 100644
index 0000000..d2e8eba
--- /dev/null
+++ b/ccan/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