From: Hans Kristian Rosbach <hk-git@circlestorm.org>
Date: Sat, 12 Sep 2020 12:28:25 +0000 (+0200)
Subject: Improve coverage data accuracy
X-Git-Tag: 1.9.9-b1~41
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4cb2abe80155919757c8c6f6fa1829b28c882d40;p=thirdparty%2Fzlib-ng.git

Improve coverage data accuracy
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 67c547c53..db1c60ab0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -309,12 +309,12 @@ endif()
 # Set code coverage compiler flags
 if(WITH_CODE_COVERAGE)
     if(CMAKE_C_COMPILER_ID MATCHES "Clang")
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -coverage")
+        set(CMAKE_C_FLAGS "-O0 ${CMAKE_C_FLAGS} -coverage")
     elseif(__GNUC__)
         # Some versions of GCC don't support -coverage shorthand
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
-        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lgcov")
-        set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lgcov")
+        set(CMAKE_C_FLAGS "-O0 ${CMAKE_C_FLAGS} -ftest-coverage -fprofile-arcs -fprofile-values")
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lgcov -fprofile-arcs")
+        set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lgcov -fprofile-arcs")
     endif()
 endif()