[crash-reporter] use libchromeos.pc

BUG=chromium-os:24959
TEST=build

Signed-off-by: Elly Jones <ellyjones@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/13997
Reviewed-by: Mike Frysinger <vapier@chromium.org>
(cherry picked from commit 6f7fb4aea569bb597c94194be1ad611b37ffcf40)

Change-Id: I75ea31a75d2e67facc2a38a9aabda2ae81b702a6
Reviewed-on: https://gerrit.chromium.org/gerrit/14406
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Elly Jones <ellyjones@chromium.org>
Tested-by: Elly Jones <ellyjones@chromium.org>
diff --git a/crash_reporter/Makefile b/crash_reporter/Makefile
index 9658e77..05cea91 100644
--- a/crash_reporter/Makefile
+++ b/crash_reporter/Makefile
@@ -21,15 +21,17 @@
 
 LDCONFIG = $(shell $(PKG_CONFIG) --libs libpcrecpp)
 
+PC_DEPS = glib-2.0 libchromeos $(LIST_PROXIES_PKGS)
+
 # -lglib-2.0 is needed by libbase.a now.
-COMMON_LIBS = -lchromeos -lbase -lgflags $(LDCONFIG) \
-	$(shell $(PKG_CONFIG) --libs glib-2.0 $(LIST_PROXIES_PKGS))
+COMMON_LIBS = -lbase -lgflags $(LDCONFIG) \
+	$(shell $(PKG_CONFIG) --libs $(PC_DEPS))
 REPORTER_LIBS = $(COMMON_LIBS) -lmetrics
 LIST_PROXIES_LIBS = $(COMMON_LIBS)
 
 TEST_LIBS = $(COMMON_LIBS) -lgtest -lgmock
 INCLUDE_DIRS = -I.. -I$(SYSROOT)/usr/include/google-breakpad \
-	$(shell $(PKG_CONFIG) --cflags glib-2.0 $(LIST_PROXIES_PKGS))
+	$(shell $(PKG_CONFIG) --cflags $(PC_DEPS))
 
 CXXFLAGS += -Wall -Werror