move pkg config stuff to per-target exports to prevent interference with host builds

SVN-Revision: 15299

include/host-build.mk

@@ -115,6 +115,8 @@ ifndef DUMP
 	$(call Host/Prepare)
 	touch $$@
 
+  $(HOST_STAMP_CONFIGURED) : export PKG_CONFIG_PATH=$$(STAGING_DIR_HOST)/lib/pkgconfig
+  $(HOST_STAMP_CONFIGURED) : export PKG_CONFIG_LIBDIR=$$(STAGING_DIR_HOST)/lib/pkgconfig
   $(HOST_STAMP_CONFIGURED): $(HOST_STAMP_PREPARED)
 	$(call Host/Configure)
 	touch $$@

include/package-defaults.mk

@@ -43,9 +43,6 @@ ifneq ($(strip $(PKG_UNPACK)),)
   endef
 endif
 
-export PKG_CONFIG_PATH=$(STAGING_DIR)/usr/lib/pkgconfig:$(STAGING_DIR_HOST)/usr/lib/pkgconfig
-export PKG_CONFIG_LIBDIR=$(STAGING_DIR)/usr/lib/pkgconfig
-
 CONFIGURE_PREFIX:=/usr
 CONFIGURE_ARGS = \
 		--target=$(GNU_TARGET_NAME) \

include/package.mk

@@ -78,6 +78,8 @@ define Build/DefaultTargets
 
   $(STAMP_CONFIGURED) : export PATH=$$(TARGET_PATH_PKG)
   $(STAMP_CONFIGURED) : export CONFIG_SITE:=$$(CONFIG_SITE)
+  $(STAMP_CONFIGURED) : export PKG_CONFIG_PATH=$$(STAGING_DIR)/usr/lib/pkgconfig
+  $(STAMP_CONFIGURED) : export PKG_CONFIG_LIBDIR=$$(STAGING_DIR)/usr/lib/pkgconfig
   $(STAMP_CONFIGURED): $(STAMP_PREPARED)
 	$(foreach hook,$(Hooks/Configure/Pre),$(call $(hook))$(sep))
 	$(Build/Configure)
@@ -86,6 +88,8 @@ define Build/DefaultTargets
 
   $(STAMP_BUILT) : export PATH=$$(TARGET_PATH_PKG)
   $(STAMP_BUILT) : export CONFIG_SITE:=$$(CONFIG_SITE)
+  $(STAMP_BUILT) : export PKG_CONFIG_PATH=$$(STAGING_DIR)/usr/lib/pkgconfig:$$(STAGING_DIR_HOST)/usr/lib/pkgconfig
+  $(STAMP_BUILT) : export PKG_CONFIG_LIBDIR=$$(STAGING_DIR)/usr/lib/pkgconfig
   $(STAMP_BUILT): $(STAMP_CONFIGURED)
 	$(foreach hook,$(Hooks/Compile/Pre),$(call $(hook))$(sep))
 	$(Build/Compile)