From 807ac95e798185aca35d6b2f3bf425a9c8b03744 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Thu, 8 Dec 2016 02:32:49 +0100
Subject: Use a portable way to get the relative paths into __FILENAME__

---
 CMakeLists.txt            | 12 ++++++++----
 louloulibs/CMakeLists.txt | 12 ++++++++----
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0faaf12..6a3c3e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,10 +11,6 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage --coverage")
 endif()
 
-# Define a __FILENAME__ macro to get the filename of each file, instead of
-# the full path as in __FILE__
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__FILENAME__='\"$(subst ${CMAKE_SOURCE_DIR}/,,$(abspath $<))\"'")
-
 #
 ## Look for external libraries
 #
@@ -207,6 +203,14 @@ if(USE_DATABASE)
   database)
 endif()
 
+# Define a __FILENAME__ macro with the relative path (from the base project directory)
+# of each source file
+file(GLOB_RECURSE source_all src/*.[hc]pp tests/*.[hc]pp)
+foreach(file ${source_all})
+  file(RELATIVE_PATH shorter_file ${CMAKE_CURRENT_SOURCE_DIR} ${file})
+  set_property(SOURCE ${file} APPEND PROPERTY COMPILE_DEFINITIONS __FILENAME__="${shorter_file}")
+endforeach()
+
 include(ExternalProject)
 ExternalProject_Add(catch
   GIT_REPOSITORY "https://lab.louiz.org/louiz/Catch.git"
diff --git a/louloulibs/CMakeLists.txt b/louloulibs/CMakeLists.txt
index 908c35f..c5ed7a7 100644
--- a/louloulibs/CMakeLists.txt
+++ b/louloulibs/CMakeLists.txt
@@ -6,10 +6,6 @@ set(${PROJECT_NAME}_VERSION_SUFFIX "~dev")
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y -pedantic -Wall -Wextra")
 
-# Define a __FILENAME__ macro to get the filename of each file, instead of
-# the full path as in __FILE__
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__FILENAME__='\"$(subst ${CMAKE_SOURCE_DIR}/,,$(abspath $<))\"'")
-
 #
 ## Look for external libraries
 #
@@ -143,6 +139,14 @@ if(SYSTEMD_FOUND)
   target_link_libraries(xmpplib ${SYSTEMD_LIBRARIES})
 endif()
 
+# Define a __FILENAME__ macro with the relative path (from the base project directory)
+# of each source file
+file(GLOB_RECURSE source_all *.[hc]pp)
+foreach(file ${source_all})
+  file(RELATIVE_PATH shorter_file ${CMAKE_CURRENT_SOURCE_DIR} ${file})
+  set_property(SOURCE ${file} APPEND PROPERTY COMPILE_DEFINITIONS __FILENAME__="${shorter_file}")
+endforeach()
+
 #
 ## Check if we have std::get_time
 #
-- 
cgit v1.2.3