Makefile: use absolute path to module and export FMC_BUS

So, the FMC_BUS reference can be used by submodules like spec-sw and svec-sw. Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

Makefile: use absolute path to module and export FMC_BUS
So, the FMC_BUS reference can be used by submodules like spec-sw and svec-sw. Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
034242ae · Federico Vaga · b3a7f0b2 · 034242ae
Commit 034242ae authored Jul 15, 2014 by Federico Vaga
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Showing with 8 additions and 3 deletions

Makefile Makefile +8 -3

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--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,7 @@ all modules: prereq
 clean_all: clean prereq_clean

 #### The following targets are used to manage prerequisite repositories
+#### only for THIS repository
 gitmodules:
 	@test -d fmc-bus/doc || echo "Checking out submodules"
 	@test -d fmc-bus/doc || git submodule update --init
@@ -21,9 +22,13 @@ gitmodules:
 # three submodules. Note that svec-sw is not built, as it uses cern-internal
 # pathnames, and thus won't build elsewhere. We have it as a submodule to
 # find needed headers to build kernel code.
-FMC_BUS ?= fmc-bus
-ZIO ?= zio
-SPEC_SW ?= spec-sw
+#
+# Use the absolute path so it can be used by submodule
+CURDIR ?= $(shell pwd)
+FMC_BUS ?= $(CURDIR)/fmc-bus
+export FMC_BUS
+ZIO ?= $(CURDIR)/zio
+SPEC_SW ?= $(CURDIR)/spec-sw
 SUBMOD = $(FMC_BUS) $(ZIO) $(SPEC_SW)

 prereq: