From 8c4fa9ba51e93c8e0b9da6671c5c6cedd58b9cc4 Mon Sep 17 00:00:00 2001
From: Vojtech Kral <vojtech@kral.hk>
Date: Wed, 7 Nov 2018 15:23:00 +0100
Subject: [PATCH] CMake: Add ASan option

---
 CMakeLists.txt     | 8 ++++++++
 src/CMakeLists.txt | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0656b824e..bcdb67684 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,7 @@ option(SLIC3R_PROFILE 			"Compile Slic3r with an invasive Shiny profiler" 0)
 option(SLIC3R_MSVC_COMPILE_PARALLEL "Compile on Visual Studio in parallel" 1)
 option(SLIC3R_MSVC_PDB          "Generate PDB files on MSVC in Release mode" 1)
 option(SLIC3R_PERL_XS           "Compile XS Perl module and enable Perl unit and integration tests" 0)
+option(SLIC3R_ASAN              "Enable ASan on Clang and GCC" 0)
 
 if (MSVC)
     if (SLIC3R_MSVC_COMPILE_PARALLEL)
@@ -89,6 +90,13 @@ endif()
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
     # On GCC and Clang, no return from a non-void function is a warning only. Here, we make it an error.
     add_compile_options(-Werror=return-type)
+
+    if (SLIC3R_ASAN)
+        add_compile_options(-fsanitize=address -fno-omit-frame-pointer)
+        if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
+        endif ()
+    endif ()
 endif()
 
 # Where all the bundled libraries reside?
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a101fd522..32d2c5b03 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -78,7 +78,7 @@ if (APPLE)
     target_link_libraries(slic3r "-liconv -framework IOKit" "-framework CoreFoundation" -lc++)
 elseif (MSVC)
     # Manifest is provided through slic3r.rc, don't generate your own.
-    set(CMAKE_EXE_LINKER_FLAGS /MANIFEST:NO)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
 else ()
     target_link_libraries(slic3r -ldl -lstdc++)
 endif ()