From 777b6a8101abde55200cd9ed27a41f6352891300 Mon Sep 17 00:00:00 2001
From: Teon Banek <teon.banek@memgraph.io>
Date: Tue, 1 Aug 2017 12:42:50 +0200
Subject: [PATCH] Store paths to glog include and library in CMakeLists

Reviewers: buda, mferencevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D615
---
 CMakeLists.txt      |  6 +++---
 libs/CMakeLists.txt | 11 ++++++++---
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b2523115..d20b496b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -219,7 +219,7 @@ include_directories(SYSTEM ${CMAKE_SOURCE_DIR}/libs)
 # needed to include configured files (plan_compiler_flags.hpp)
 set(generated_headers_dir ${CMAKE_BINARY_DIR}/generated_headers)
 include_directories(${generated_headers_dir})
-include_directories(SYSTEM ${CMAKE_SOURCE_DIR}/libs/glog/include)
+include_directories(SYSTEM ${GLOG_INCLUDE_DIR})
 # -----------------------------------------------------------------------------
 
 # openCypher parser -----------------------------------------------------------
@@ -301,7 +301,7 @@ set(memgraph_src_files
 
 # memgraph_lib and memgraph_pic depend on these libraries
 set(MEMGRAPH_ALL_LIBS stdc++fs Threads::Threads fmt
-    antlr_opencypher_parser_lib dl ${CMAKE_SOURCE_DIR}/libs/glog/lib/libglog.a gflags)
+    antlr_opencypher_parser_lib dl ${GLOG_LIBRARY} gflags)
 if (READLINE_FOUND)
     list(APPEND MEMGRAPH_ALL_LIBS ${READLINE_LIBRARY})
 endif()
@@ -329,7 +329,7 @@ add_subdirectory(tests)
 # -----------------------------------------------------------------------------
 
 add_custom_target(recursive_include_plan_template
-    COMMAND ./recursive_include --roots ${src_dir} ${libs_dir} ${CMAKE_BINARY_DIR}/libs/gflags/include ${libs_dir}/glog/include --start ${src_dir}/query/plan_template_cpp --copy ${CMAKE_BINARY_DIR}/include
+    COMMAND ./recursive_include --roots ${src_dir} ${libs_dir} ${CMAKE_BINARY_DIR}/libs/gflags/include ${GLOG_INCLUDE_DIR} --start ${src_dir}/query/plan_template_cpp --copy ${CMAKE_BINARY_DIR}/include
     DEPENDS ${src_dir}/query/plan_template_cpp
     SOURCES ${src_dir}/query/plan_template_cpp
     WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/cmake
diff --git a/libs/CMakeLists.txt b/libs/CMakeLists.txt
index 570855c29..bb859a523 100644
--- a/libs/CMakeLists.txt
+++ b/libs/CMakeLists.txt
@@ -33,11 +33,16 @@ set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_SAVED})
 # doesn't detect gflags if we do `add_subdirectory`.
 include(ExternalProject)
 ExternalProject_Add(glog DEPENDS gflags
-  PREFIX ${CMAKE_SOURCE_DIR}/libs/glog
-  SOURCE_DIR ${CMAKE_SOURCE_DIR}/libs/glog
+  PREFIX ${CMAKE_CURRENT_SOURCE_DIR}/glog
+  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/glog
   CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release
-             -DCMAKE_INSTALL_PREFIX=${CMAKE_SOURCE_DIR}/libs/glog
+             -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_SOURCE_DIR}/glog
              -Dgflags_DIR=${CMAKE_CURRENT_BINARY_DIR}/gflags)
+set(GLOG_LIBRARY ${CMAKE_CURRENT_SOURCE_DIR}/glog/lib/libglog.a CACHE FILEPATH
+    "Path to glog library" FORCE)
+set(GLOG_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/glog/include CACHE PATH
+    "Path to glog include directory" FORCE)
+mark_as_advanced(GLOG_LIBRARY GLOG_INCLUDE_DIR)
 
 # setup cppitertools
 # CLion compatiblity; the target won't be built