media-libs/allegro: Backport glibc-2.28 compatibility fix

Bug: https://bugs.gentoo.org/670781
Package-Manager: Portage-2.3.52, Repoman-2.3.12
Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>

media-libs/allegro/allegro-4.4.2-r2.ebuild

@@ -0,0 +1,112 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+CMAKE_IN_SOURCE_BUILD=1
+inherit cmake-utils desktop
+
+DESCRIPTION="cross-platform multimedia library"
+HOMEPAGE="https://liballeg.org/"
+SRC_URI="mirror://sourceforge/alleg/${P}.tar.gz"
+
+LICENSE="Allegro MIT GPL-2+ ZLIB"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~mips ~ppc ~ppc64 ~x86"
+IUSE="alsa fbcon jack jpeg opengl oss png svga test vga vorbis X"
+
+RDEPEND="
+	alsa? ( media-libs/alsa-lib )
+	jack? ( media-sound/jack-audio-connection-kit )
+	jpeg? ( virtual/jpeg:0 )
+	png? ( media-libs/libpng:0= )
+	svga? ( media-libs/svgalib )
+	vorbis? ( media-libs/libvorbis )
+	X? (
+		x11-libs/libX11
+		x11-libs/libXcursor
+		x11-libs/libXext
+		x11-libs/libXpm
+		x11-libs/libXt
+		x11-libs/libXxf86dga
+		x11-libs/libXxf86vm
+		opengl? (
+			virtual/glu
+			virtual/opengl
+		)
+	)"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig
+	X? ( x11-base/xorg-proto )"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-shared.patch
+	"${FILESDIR}"/${P}-underlink.patch
+	"${FILESDIR}"/${P}-gentoo.patch
+	"${FILESDIR}"/${P}-rpath.patch
+	"${FILESDIR}"/${P}-Werror-format-security.patch # bug 540470
+	"${FILESDIR}"/${P}-glibc228.patch               # bug 670781
+)
+
+src_prepare() {
+	cmake-utils_src_prepare
+
+	sed -i \
+		-e "s:allegro-\${ALLEGRO_VERSION}:${PF}:" \
+		docs/CMakeLists.txt || die
+}
+
+src_configure() {
+	# WANT_LINUX_CONSOLE is by default OFF
+	# WANT_EXAMPLES doesn't install anything
+	local mycmakeargs=(
+		-DDOCDIR=share/doc
+		-DINFODIR=share/info
+		-DMANDIR=share/man
+		-DWANT_ALSA=$(usex alsa)
+		-DWANT_EXAMPLES=OFF
+		-DWANT_JACK=$(usex jack)
+		-DWANT_JPGALLEG=$(usex jpeg)
+		-DWANT_LINUX_CONSOLE=OFF
+		-DWANT_LINUX_FBCON=$(usex fbcon)
+		-DWANT_LINUX_SVGALIB=$(usex svga)
+		-DWANT_LINUX_VGA=$(usex vga)
+		-DWANT_LOADPNG=$(usex png)
+		-DWANT_LOGG=$(usex vorbis)
+		-DWANT_OSS=$(usex oss)
+		-DWANT_TESTS=$(usex test)
+		-DWANT_TOOLS=$(usex X)
+		-DWANT_X11=$(usex X)
+	)
+
+	if use X; then
+		mycmakeargs+=( -DWANT_ALLEGROGL=$(usex opengl) )
+	else
+		mycmakeargs+=( -DWANT_ALLEGROGL=OFF )
+	fi
+
+	cmake-utils_src_configure
+}
+
+src_install() {
+	rm -r docs/html/{build,tmpfile.txt} || die
+	local HTML_DOCS=( docs/html/. )
+
+	cmake-utils_src_install
+
+	#176020 (init_dialog.3), #409305 (key.3)
+	pushd docs/man >/dev/null
+	local manpage
+	for manpage in $(ls -d *.3); do
+		newman ${manpage} ${PN}-${manpage}
+	done
+	popd >/dev/null
+
+	if use X; then
+		newbin setup/setup ${PN}-setup
+		insinto /usr/share/${PN}
+		doins {keyboard,language,setup/setup}.dat
+		newicon misc/icon.png ${PN}.png
+		make_desktop_entry ${PN}-setup "Allegro Setup" ${PN} "Settings"
+	fi
+}

media-libs/allegro/files/allegro-4.4.2-glibc228.patch

@@ -0,0 +1,41 @@
+From 4848f1583c3dbe41f5f056869ff2c796d33d8121 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Andreas=20R=C3=B6nnquist?= <andreas@ronnquist.net>
+Date: Wed, 12 Dec 2018 16:39:23 +0100
+Subject: [PATCH] Remove f* variants of fixed math functions
+
+Removing functions that conflicts with later glibc implementations,
+people should use fix* variants instead.
+(Simply use fixadd instead of fadd).
+---
+ include/allegro/alcompat.h | 18 ------------------
+ 1 file changed, 18 deletions(-)
+
+diff --git a/include/allegro/alcompat.h b/include/allegro/alcompat.h
+index d31ab5b6d..c9536839d 100644
+--- a/include/allegro/alcompat.h
++++ b/include/allegro/alcompat.h
+@@ -40,24 +40,6 @@
+       #endif
+    #endif
+
+-   #ifndef ALLEGRO_NO_FIX_ALIASES
+-      AL_ALIAS(fixed fadd(fixed x, fixed y), fixadd(x, y))
+-      AL_ALIAS(fixed fsub(fixed x, fixed y), fixsub(x, y))
+-      AL_ALIAS(fixed fmul(fixed x, fixed y), fixmul(x, y))
+-      AL_ALIAS(fixed fdiv(fixed x, fixed y), fixdiv(x, y))
+-      AL_ALIAS(int fceil(fixed x), fixceil(x))
+-      AL_ALIAS(int ffloor(fixed x), fixfloor(x))
+-      AL_ALIAS(fixed fcos(fixed x), fixcos(x))
+-      AL_ALIAS(fixed fsin(fixed x), fixsin(x))
+-      AL_ALIAS(fixed ftan(fixed x), fixtan(x))
+-      AL_ALIAS(fixed facos(fixed x), fixacos(x))
+-      AL_ALIAS(fixed fasin(fixed x), fixasin(x))
+-      AL_ALIAS(fixed fatan(fixed x), fixatan(x))
+-      AL_ALIAS(fixed fatan2(fixed y, fixed x), fixatan2(y, x))
+-      AL_ALIAS(fixed fsqrt(fixed x), fixsqrt(x))
+-      AL_ALIAS(fixed fhypot(fixed x, fixed y), fixhypot(x, y))
+-   #endif
+-
+ #endif  /* !defined ALLEGRO_SRC */
+
+