From 92700a0e7bce7aeadaf65fb778cec49e5ebc594d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Sun, 27 Nov 2016 14:28:55 +0100
Subject: [PATCH] cmake-utils.eclass: Wipe out default flags for std build
 types

Wipe out the default compiler & linker flags that are forced by CMake
for the standard build types. This improves the sanity of the build if
we are forced to use one of those types.
---
 eclass/cmake-utils.eclass | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/eclass/cmake-utils.eclass b/eclass/cmake-utils.eclass
index fbd60c24ab276..b21435b1782de 100644
--- a/eclass/cmake-utils.eclass
+++ b/eclass/cmake-utils.eclass
@@ -599,6 +599,19 @@ enable_cmake-utils_src_configure() {
 	_EOF_
 	[[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]] && echo 'SET (CMAKE_COLOR_MAKEFILE OFF CACHE BOOL "pretty colors during make" FORCE)' >> "${common_config}"
 
+	# Wipe the default optimization flags out of CMake
+	if [[ ${CMAKE_BUILD_TYPE} != Gentoo ]] && ! has "${EAPI}" 2 3 4 5; then
+		cat >> ${common_config} <<- _EOF_ || die
+			SET (CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_Fortran_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_MODULE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_STATIC_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+		_EOF_
+	fi
+
 	# Convert mycmakeargs to an array, for backwards compatibility
 	# Make the array a local variable since <=portage-2.1.6.x does not
 	# support global arrays (see bug #297255).