media-libs/libprojectm: Allow for compiling with GCC 6

Gentoo-bug: 582866
* EAPI=6
* Make PATCHES -p1 compliant
* Migrate away from 'base.eclass'

Package-Manager: portage-2.3.0

media-libs/libprojectm/files/libprojectm-2.1.0-fix-c++14.patch

@@ -0,0 +1,64 @@
+Properly call namespaced std::isnan and use implicit
+conversion operators, such that they work in C++98 and C++14.
+See also:
+https://bugs.gentoo.org/show_bug.cgi?id=582866
+https://sourceforge.net/p/projectm/code/ci/92226e25192a69839b9ae3b66ea7173732c639b3
+
+--- libprojectM/Common.hpp
++++ libprojectM/Common.hpp
+@@ -63,7 +63,7 @@
+ 
+ #ifdef LINUX
+ #include <cstdlib>
+-#define projectM_isnan isnan
++#define projectM_isnan std::isnan
+ 
+ #endif
+ 
+--- libprojectM/MilkdropPresetFactory/Parser.cpp
++++ libprojectM/MilkdropPresetFactory/Parser.cpp
+@@ -1406,7 +1406,7 @@
+   PerFrameEqn * per_frame_eqn;
+   GenExpr * gen_expr;
+ 
+-  if (fs == NULL)
++  if (fs.fail())
+     return NULL;
+   if (param_string == NULL)
+     return NULL;
+@@ -1561,7 +1561,7 @@
+ 
+   if (preset == NULL)
+     return NULL;
+-  if (fs == NULL)
++  if (fs.fail())
+     return NULL;
+ 
+   if ((token = parseToken(fs, name)) != tEq)
+@@ -1875,7 +1875,7 @@
+   /* Null argument checks */
+   if (preset == NULL)
+     return PROJECTM_FAILURE;
+-  if (fs == NULL)
++  if (fs.fail())
+     return PROJECTM_FAILURE;
+   if (token == NULL)
+     return PROJECTM_FAILURE;
+@@ -2166,7 +2166,7 @@
+ 
+   if (token == NULL)
+     return PROJECTM_FAILURE;
+-  if (fs == NULL)
++  if (fs.fail())
+     return PROJECTM_FAILURE;
+   if (preset == NULL)
+     return PROJECTM_FAILURE;
+@@ -2348,7 +2348,7 @@
+   if (token == NULL)
+ 
+     return PROJECTM_FAILURE;
+-  if (fs == NULL)
++  if (fs.fail())
+     return PROJECTM_FAILURE;
+   if (preset == NULL)
+     return PROJECTM_FAILURE;

media-libs/libprojectm/files/libprojectm-2.1.0-multilib.patch

@@ -1,6 +1,5 @@
-diff -urN projectM-complete-2.1.0-Source/src/libprojectM/CMakeLists.txt projectM-complete-2.1.0-Source.new/src/libprojectM/CMakeLists.txt
---- projectM-complete-2.1.0-Source/src/libprojectM/CMakeLists.txt	2012-05-20 05:43:26.000000000 +0200
-+++ projectM-complete-2.1.0-Source.new/src/libprojectM/CMakeLists.txt	2013-01-21 21:07:49.097541426 +0100
+--- libprojectM/CMakeLists.txt
++++ libprojectM/CMakeLists.txt
 @@ -35,7 +35,7 @@
  
  ADD_DEFINITIONS(-DCMAKE_INSTALL_PREFIX="\\\"${CMAKE_INSTALL_PREFIX}\\\"")

media-libs/libprojectm/files/libprojectm-2.1.0-path.patch

@@ -1,7 +1,7 @@
 Index: projectM-complete-2.1.0-Source/src/libprojectM/CMakeLists.txt
 ===================================================================
---- projectM-complete-2.1.0-Source.orig/src/libprojectM/CMakeLists.txt
-+++ projectM-complete-2.1.0-Source/src/libprojectM/CMakeLists.txt
+--- libprojectM/CMakeLists.txt
++++ libprojectM/CMakeLists.txt
 @@ -33,7 +33,7 @@ set(PROJECTM_VERSION 2.1.0)
  set(PROJECTM_ABI_LEVEL 2)
  #

media-libs/libprojectm/libprojectm-2.1.0-r2.ebuild

@@ -0,0 +1,59 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit cmake-utils flag-o-matic toolchain-funcs
+
+MY_P=${PN/m/M}-complete-${PV}-Source
+MY_P=${MY_P/lib}
+
+DESCRIPTION="A graphical music visualization plugin similar to milkdrop"
+HOMEPAGE="http://projectm.sourceforge.net"
+SRC_URI="mirror://sourceforge/projectm/${MY_P}.tar.gz"
+
+LICENSE="LGPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd"
+IUSE="debug openmp video_cards_nvidia"
+
+RDEPEND="media-fonts/dejavu
+	>=media-libs/ftgl-2.1.3_rc5
+	media-libs/freetype:2
+	media-libs/mesa
+	media-libs/glew:=
+	sys-libs/zlib
+	video_cards_nvidia? ( media-gfx/nvidia-cg-toolkit )"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig"
+
+S=${WORKDIR}/${MY_P}/src/libprojectM
+
+PATCHES=(
+	"${FILESDIR}"/${P}-multilib.patch
+	"${FILESDIR}"/${P}-path.patch
+	"${FILESDIR}"/${P}-fix-c++14.patch
+)
+
+src_configure() {
+	if use video_cards_nvidia; then
+		append-ldflags -L/opt/nvidia-cg-toolkit/$(get_libdir)
+		append-ldflags -L/opt/nvidia-cg-toolkit/lib
+		append-cppflags -I/opt/nvidia-cg-toolkit/include
+	fi
+
+	local mycmakeargs=(
+		-DUSE_CG=$(usex video_cards_nvidia)
+		-DprojectM_FONT_MENU="${EPREFIX}/usr/share/fonts/dejavu/DejaVuSans.ttf"
+		-DprojectM_FONT_TITLE="${EPREFIX}/usr/share/fonts/dejavu/DejaVuSansMono.ttf"
+	)
+
+	if use openmp && tc-has-openmp; then
+		mycmakeargs+=( -DUSE_OPENMP=ON )
+	else
+		mycmakeargs+=( -DUSE_OPENMP=OFF )
+	fi
+
+	cmake-utils_src_configure
+}