From 3d8cf6ecc4e85d5901cfa021e67fd6f5a439115f Mon Sep 17 00:00:00 2001
From: Nicola Pero <n.pero@mi.flashnet.it>
Date: Wed, 26 Oct 2005 14:33:42 +0000
Subject: [PATCH] Fixed check if this is the top-level make invocation or not
 to work properly when we're invoked inside a non-gnustep-make make

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/tools/make/trunk@21879 72102866-910b-0410-8b05-ffd578937521
---
 Master/rules.make | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/Master/rules.make b/Master/rules.make
index 9e1d382d..9d7cfdb2 100644
--- a/Master/rules.make
+++ b/Master/rules.make
@@ -60,23 +60,37 @@ endif
 # internal-check-installation-permissions comes before everything so
 # that we run any command if we aren't allowed to install
 # install depends on all as per GNU/Unix habits, conventions and standards.
-ifeq ($(MAKELEVEL),0)
+
+# The very first top-most make invocation we want to have install
+# depend on internal-check-install-permissions and on all, and
+# distclean depend on clean.  We used to check MAKELEVEL=0 here to
+# determine if this is the top-most invocation of make, but that does
+# not work if the top-most invocation of make is done from within a
+# (non-gnustep-make) makefile itself!  So we use a marker variable.
+# _GNUSTEP_TOP_INVOCATION_DONE is not set the very first / top-most
+# make invocation , but we set it for all sub-invocations, so all
+# subinvocations will have it set and we can distinguish them.
+ifeq ($(_GNUSTEP_TOP_INVOCATION_DONE),)
+# Top-most invocation of make
 install:: internal-check-install-permissions all \
           before-install internal-install after-install internal-after-install
+
+distclean:: clean before-distclean internal-distclean after-distclean
+
+# Further make invocations will have this variable set
+export _GNUSTEP_TOP_INVOCATION_DONE = 1
 else
+#  Sub-invocation of make
 install:: before-install internal-install after-install internal-after-install
+
+distclean:: before-distclean internal-distclean after-distclean
 endif
 
+
 uninstall:: before-uninstall internal-uninstall after-uninstall
 
 clean:: before-clean internal-clean after-clean
 
-ifeq ($(MAKELEVEL),0)
-distclean:: clean before-distclean internal-distclean after-distclean
-else 
-distclean:: before-distclean internal-distclean after-distclean
-endif
-
 check:: before-check internal-check after-check
 
 strings:: before-strings internal-strings after-strings