From e4963256e1769cf56187d12c0b26b8be61e69b75 Mon Sep 17 00:00:00 2001
From: Sarah Hoffmann <lonvia@denofr.de>
Date: Tue, 24 May 2016 00:24:23 +0200
Subject: [PATCH] cmake: use explicit VPATH when calling pgxs makefile

Some postgres installations report problems with the makefile
magic that should look for the source where the Makefile is
located. So hand in the path explicitly via VPATH instead.

Fixes #453.
---
 module/CMakeLists.txt | 2 +-
 module/Makefile       | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/module/CMakeLists.txt b/module/CMakeLists.txt
index 5e507a9e..4dfc477c 100644
--- a/module/CMakeLists.txt
+++ b/module/CMakeLists.txt
@@ -1,6 +1,6 @@
 # just use the pgxs makefile
 ADD_CUSTOM_COMMAND( OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/dummy
-        COMMAND PGXS=${PGXS} PG_CONFIG=${PG_CONFIG} make -f ${CMAKE_CURRENT_SOURCE_DIR}/Makefile
+        COMMAND PGXS=${PGXS} PG_CONFIG=${PG_CONFIG} MODSRCDIR=${CMAKE_CURRENT_SOURCE_DIR} make -f ${CMAKE_CURRENT_SOURCE_DIR}/Makefile
         COMMENT "Running external makefile ${PGXS}"
         )
 
diff --git a/module/Makefile b/module/Makefile
index 783a6602..78b395a5 100644
--- a/module/Makefile
+++ b/module/Makefile
@@ -1,4 +1,5 @@
 MODULES = nominatim
+VPATH = $(MODSRCDIR)
 include $(PGXS)
 
 all: