dev-ada/gps: fix deps, remove gnat_2017 USE

Package-Manager: Portage-2.3.76, Repoman-2.3.16
Signed-off-by: Alfredo Tupone <[email protected]>

dev-ada/gps/gps-2018-r1.ebuild

@@ -19,16 +19,15 @@ SRC_URI="http://mirrors.cdn.adacore.com/art/5b0cf627c7a4475261f97ceb
 LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="amd64 x86"
-IUSE="gnat_2017 +gnat_2018"
+IUSE="+gnat_2018"
 
 RDEPEND="${PYTHON_DEPS}
- dev-ada/gnatcoll-db[gnat_2017=,gnat_2018=,gnatcoll_db2ada,gnatinspect,xref]
- dev-ada/gnatcoll-bindings[gnat_2017=,gnat_2018=,python]
- ~dev-ada/gtkada-2018[gnat_2017=,gnat_2017=]
- dev-ada/libadalang[gnat_2017(-)?,gnat_2018(-)?]
+ dev-ada/gnatcoll-db[gnat_2018=,gnatcoll_db2ada,gnatinspect,xref]
+ dev-ada/gnatcoll-bindings[gnat_2018=,python]
+ ~dev-ada/gtkada-2018[gnat_2018=]
+ ~dev-ada/libadalang-2018[gnat_2018(-)?]
  dev-libs/gobject-introspection
  dev-libs/libffi
- gnat_2017? ( sys-devel/llvm:5 )
  gnat_2018? (
  || (
  sys-devel/llvm:6
@@ -52,13 +51,8 @@ S="${WORKDIR}"/${MYP}
 PATCHES=( "${FILESDIR}"/${P}-gentoo.patch )
 
 pkg_setup() {
- if use gnat_2017; then
- GCC_PV=6.3.0
- LLVM_MAX_SLOT=5
- else
- GCC_PV=7.3.1
- LLVM_MAX_SLOT=7
- fi
+ GCC_PV=7.3.1
+ LLVM_MAX_SLOT=7
  GNATMAKE=gnatmake-${GCC_PV}
  GNATDRV=gnat-${GCC_PV}
  GNATLS=gnatls-${GCC_PV}
@@ -67,7 +61,6 @@ pkg_setup() {
 }
 
 src_prepare() {
- GCC_PV=7.3.1
  default
  sed -i \
  -e "s:@GNATMAKE@:${CHOST}-${GNATMAKE}:g" \