[dev-db/mongodb] remove clang support from 5.0, almost EOL

dev-db/mongodb/mongodb-5.0.29.ebuild

@@ -3,9 +3,6 @@
 
 EAPI=8
 
-LLVM_COMPAT=( 18 )
-LLVM_OPTIONAL=1
-
 PYTHON_COMPAT=( python3_{10..13} )
 
 SCONS_MIN_VERSION="3.3.1"
@@ -13,7 +10,7 @@ CHECKREQS_DISK_BUILD="2400M"
 CHECKREQS_DISK_USR="512M"
 CHECKREQS_MEMORY="1024M"
 
-inherit check-reqs flag-o-matic llvm-r1 multiprocessing pax-utils python-any-r1 scons-utils systemd toolchain-funcs
+inherit check-reqs flag-o-matic multiprocessing pax-utils python-any-r1 scons-utils systemd toolchain-funcs
 
 MY_PV=r${PV/_rc/-rc}
 MY_P=mongo-${MY_PV}
@@ -27,7 +24,7 @@ LICENSE="Apache-2.0 SSPL-1"
 SLOT="0"
 KEYWORDS="~amd64 ~arm64 -riscv"
 CPU_FLAGS="cpu_flags_x86_avx"
-IUSE="debug clang kerberos mongosh ssl +tools ${CPU_FLAGS}"
+IUSE="debug kerberos mongosh ssl +tools ${CPU_FLAGS}"
 
 # https://github.com/mongodb/mongo/wiki/Test-The-Mongodb-Server
 # resmoke needs python packages not yet present in Gentoo
@@ -43,11 +40,6 @@ RDEPEND="acct-group/mongodb
 	dev-libs/snowball-stemmer:=
 	net-misc/curl
 	>=sys-libs/zlib-1.2.12:=
-	clang? (
-		$(llvm_gen_dep "
-			sys-devel/clang:\${LLVM_SLOT}
-		")
-	)
 	kerberos? ( dev-libs/cyrus-sasl[kerberos] )
 	ssl? (
 		>=dev-libs/openssl-1.0.1g:0=
@@ -115,14 +107,6 @@ pkg_pretend() {
 	fi
 }
 
-pkg_setup() {
-	python-any-r1_pkg_setup
-	if use clang; then
-		llvm-r1_pkg_setup
-		llvm_fix_tool_path CC CXX
-	fi
-}
-
 src_prepare() {
 	default
 
@@ -139,6 +123,11 @@ src_configure() {
 	# --use-system-tcmalloc is strongly NOT recommended:
 	# for MONGO_GIT_HASH use GitOrigin-RevId from the commit of the tag
 	scons_opts=(
+		AR="$(tc-getAR)"
+		CC="$(tc-getCC)"
+		CXX="$(tc-getCXX)"
+		CCFLAGS="${CXXFLAGS}"
+
 		VERBOSE=1
 		VARIANT_DIR=gentoo
 		MONGO_VERSION="${PV}"
@@ -156,54 +145,6 @@ src_configure() {
 		--use-system-zstd
 	)
 
-	local have_switched_compiler=
-	if use clang && ! tc-is-clang; then
-		# Force clang
-		local version_clang=$(clang --version 2>/dev/null | grep -F -- 'clang version' | awk '{ print $3 }')
-		[[ -n ${version_clang} ]] && version_clang=$(ver_cut 1 "${version_clang}")
-		[[ -z ${version_clang} ]] && die "Failed to read clang version!"
-
-		if tc-is-gcc; then
-			have_switched_compiler=yes
-		fi
-
-		AR=llvm-ar
-		CC=${CHOST}-clang-${version_clang}
-		CXX=${CHOST}-clang++-${version_clang}
-
-		scons_opts+=(
-			AR="$(get_llvm_prefix)/bin/${AR}"
-			CC="$(get_llvm_prefix)/bin/${CC}"
-			CXX="$(get_llvm_prefix)/bin/${CXX}"
-		)
-	elif ! use clang && ! tc-is-gcc ; then
-		# Force gcc
-		have_switched_compiler=yes
-		AR=gcc-ar
-		CC=${CHOST}-gcc
-		CXX=${CHOST}-g++
-		scons_opts+=(
-			AR="${AR}"
-			CC="${CC}"
-			CXX="${CXX}"
-		)
-	else
-		scons_opts+=(
-			AR="$(tc-getAR)"
-			CC="$(tc-getCC)"
-			CXX="$(tc-getCXX)"
-		)
-	fi
-
-	if [[ -n "${have_switched_compiler}" ]] ; then
-		# Because we switched active compiler we have to ensure
-		# that no unsupported flags are set
-		strip-unsupported-flags
-		scons_opts+=(
-			CCFLAGS="${CXXFLAGS}"
-		)
-	fi
-
 	use arm64 && scons_opts+=( --use-hardware-crc32=off ) # Bug 701300
 	use amd64 && scons_opts+=( --experimental-optimization=-sandybridge ) # Bug 890294
 	use debug && scons_opts+=( --dbg=on )