--- /dev/null
+diff -Nuar a/gtk/build-intel-lib.sh b/gtk/build-intel-lib.sh
+--- a/gtk/build-intel-lib.sh 2017-04-01 20:02:45.000000000 +0200
++++ b/gtk/build-intel-lib.sh 2017-04-04 13:55:43.719038089 +0200
+@@ -4,7 +4,7 @@
+ cd IntelRDFPMathLib20U1
+ patch -p0 <../intel-lib-linux.patch
+ cd LIBRARY
+-make CC=gcc CALL_BY_REF=1 GLOBAL_RND=1 GLOBAL_FLAGS=1 UNCHANGED_BINARY_FLAGS=0
++make A=a CC=gcc CALL_BY_REF=1 GLOBAL_RND=1 GLOBAL_FLAGS=1 UNCHANGED_BINARY_FLAGS=0
+ mv libbid.a ../../gcc111libbid.a
+ cd ../..
+ ( echo '#ifdef FREE42_FPTEST'; echo 'const char *readtest_lines[] = {'; tr -d '\r' < IntelRDFPMathLib20U1/TESTS/readtest.in | sed 's/^\(.*\)$/"\1",/'; echo '0 };'; echo '#endif' ) > readtest_lines.cc
--- /dev/null
+diff -Nuar a/gtk/Makefile b/gtk/Makefile
+--- a/gtk/Makefile 2017-04-01 20:02:45.000000000 +0200
++++ b/gtk/Makefile 2017-04-04 13:59:04.969034463 +0200
+@@ -15,11 +15,11 @@
+ # along with this program; if not, see http://www.gnu.org/licenses/.
+ ###############################################################################
+
+-CFLAGS = -MMD \
++CFLAGS := -MMD \
+ -Wall \
+ -Wno-parentheses \
+ -Wno-write-strings \
+- -g \
++ -Wno-error=narrowing \
+ -I/usr/X11R6/include \
+ $(shell pkg-config --cflags gtk+-2.0) \
+ -DVERSION="\"$(shell cat ../VERSION)\"" \
+@@ -27,21 +27,25 @@
+ -DDECIMAL_GLOBAL_ROUNDING=1 \
+ -DDECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS=1 \
+ -DDECIMAL_GLOBAL_EXCEPTION_FLAGS=1 \
+- -DDECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS=1
++ -DDECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS=1 \
++ ${CFLAGS}
+
+-CXXFLAGS = $(CFLAGS) \
++CXXFLAGS := $(CFLAGS) \
+ -fno-exceptions \
+ -fno-rtti \
+- -D_WCHAR_T_DEFINED
++ -D_WCHAR_T_DEFINED \
++ ${CXXFLAGS}
+
+-LDFLAGS = -L/usr/X11R6/lib
+-LIBS = gcc111libbid.a -lXmu $(shell pkg-config --libs gtk+-2.0)
++MYLDFLAGS = -L/usr/X11R6/lib
++LIBS = gcc111libbid.a -lX11 -ldl -lXmu $(shell pkg-config --libs gtk+-2.0)
+
+ ifeq "$(shell uname -s)" "Linux"
+-LDFLAGS += -Wl,--hash-style=both
++MYLDFLAGS += -Wl,--hash-style=both
+ LIBS += -lpthread
+ endif
+
++MYLDFLAGS += ${LDFLAGS}
++
+ SRCS = shell_main.cc shell_skin.cc skins.cc keymap.cc shell_loadimage.cc \
+ shell_spool.cc core_main.cc core_commands1.cc core_commands2.cc \
+ core_commands3.cc core_commands4.cc core_commands5.cc \
+@@ -83,7 +87,7 @@
+ endif
+
+ $(EXE): $(OBJS)
+- $(CXX) -o $(EXE) $(LDFLAGS) $(OBJS) $(LIBS)
++ $(CXX) -o $(EXE) $(MYLDFLAGS) $(OBJS) $(LIBS)
+
+ $(SRCS) skin2cc.cc keymap2cc.cc skin2cc.conf: symlinks
+
--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit eutils toolchain-funcs
+
+DESCRIPTION="An HP-42S Calculator Simulator"
+HOMEPAGE="http://thomasokken.com/free42/"
+SRC_URI="mirror://gentoo/${P}.tgz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="alsa"
+
+DEPEND="dev-libs/atk
+ x11-libs/cairo
+ x11-libs/gdk-pixbuf
+ x11-libs/gtk+:2
+ x11-libs/pango
+ alsa? ( media-libs/alsa-lib )"
+
+RDEPEND="${DEPEND}
+ x11-libs/libX11
+ x11-libs/libXmu"
+
+S="${WORKDIR}/${PN}"
+
+src_prepare() {
+ default
+ sed -i -e 's/print_gif_name\[FILENAMELEN\]/print_gif_name\[1000\]/' \
+ "${S}/gtk/shell_main.cc" || die
+ epatch "${FILESDIR}"/${P}-fix-makefile.patch
+ epatch "${FILESDIR}"/${P}-fix-build-intel-lib.patch
+}
+
+src_compile() {
+ local myconf
+ use alsa && myconf="AUDIO_ALSA=yes"
+ emake CC="$(tc-getCC)" CXX="$(tc-getCXX)" BCD_MATH=1 ${myconf} -C "${S}/gtk"
+}
+
+src_install() {
+ dodoc CREDITS HISTORY README TODO
+ dobin gtk/free42dec
+}