From: TheAssassin <theassassin@assassinate-you.net>
Date: Sun, 10 Feb 2019 03:00:11 +0000 (+0100)
Subject: [PATCH] Make release builds reproducible, mk. 1
X-Git-Tag: archive/raspbian/1.0.4-5-1+rpi1~1^2^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=0297729fc24ec520c4567de6fa800914cbbfbcaf;p=libappimage.git

[PATCH] Make release builds reproducible, mk. 1


Gbp-Pq: Name 0001-Make-release-builds-reproducible-mk.-1.patch
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b9de6cb..8bf07fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 3.4)
 
 project(libappimage)
 
@@ -7,6 +7,19 @@ set(CMAKE_C_STANDARD_REQUIRED ON)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake)
 
+# help produce reproducible builds
+if(CMAKE_BUILD_TYPE STREQUAL Release)
+    message(STATUS "Release build detected, enabling reproducible builds mode")
+    get_filename_component(abs_source_path ${PROJECT_SOURCE_DIR} ABSOLUTE)
+    file(RELATIVE_PATH rel_source_path ${PROJECT_BINARY_DIR} ${PROJECT_SOURCE_DIR})
+
+    set(map_fix ${abs_source_path}=${rel_source_path})
+
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdebug-prefix-map=${map_fix} -fmacro-prefix-map=${map_fix}")
+    set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -fdebug-prefix-map=${map_fix} -fmacro-prefix-map=${map_fix}")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_C_FLAGS} -fdebug-prefix-map=${map_fix} -fmacro-prefix-map=${map_fix}")
+endif()
+
 # versioning
 set(V_MAJOR 0)
 set(V_MINOR 1)