Bug#695370: dpkg-cross: sets PKG_CONFIG_LIBDIR rather than telling cmake about a cross pkg-config executable

[Colin Watson <cjwatson@ubuntu.com>]

Package: dpkg-cross
Version: 2.6.7
Severity: normal
Tags: patch
User: ubuntu-devel@lists.ubuntu.com
Usertags: origin-ubuntu ubuntu-patch raring

I noticed that /etc/dpkg-cross/cmake/CMakeCross.txt sets
PKG_CONFIG_LIBDIR.  Once the wrapper script from #631275 lands (or for
anyone who's using that already), it's better to use the wrapper: this
also has the effect of using the appropriate multiarch pkg-config paths.
The following patch should make this work without breaking previous
behaviour.

Index: config/cmake/CMakeCross.txt
===================================================================
--- config/cmake/CMakeCross.txt	(revision 8410)
+++ config/cmake/CMakeCross.txt	(working copy)
@@ -24,7 +24,15 @@
   MESSAGE("CROSS COMPILING for ${CMAKE_C_COMPILER}")
   INCLUDE_DIRECTORIES(BEFORE ${CMAKE_FIND_ROOT_PATH}/include)
   #Make pkg-config look in the right place
-  SET(ENV{PKG_CONFIG_LIBDIR} ${CMAKE_FIND_ROOT_PATH}/lib/pkgconfig/)
+  FIND_PROGRAM(DPKG_CROSS_PKG_CONFIG $ENV{DEB_HOST_GNU_TYPE}-pkg-config)
+  IF (DPKG_CROSS_PKG_CONFIG)
+    # for UsePkgConfig
+    SET(PKGCONFIG_EXECUTABLE ${DPKG_CROSS_PKG_CONFIG})
+    # for FindPkgConfig
+    SET(PKG_CONFIG_EXECUTABLE ${DPKG_CROSS_PKG_CONFIG})
+  ELSE ()
+    SET(ENV{PKG_CONFIG_LIBDIR} ${CMAKE_FIND_ROOT_PATH}/lib/pkgconfig/)
+  ENDIF ()
 ELSE (CMAKE_CROSSCOMPILING)
   MESSAGE("Native Compile")
 ENDIF (CMAKE_CROSSCOMPILING)

Thanks,

-- 
Colin Watson                                       [cjwatson@ubuntu.com]