dev-lang/ocaml: add 5.4.0

Signed-off-by: Alfredo Tupone <tupone@gentoo.org>

dev-lang/ocaml/Manifest

@@ -2,3 +2,4 @@ DIST ocaml-4.11.2.tar.gz 5075323 BLAKE2B bdc503d9a8d0e39dd11060febcd0287657b460e
 DIST ocaml-4.13.1.tar.gz 5323203 BLAKE2B f1dcb1601ebfa2a37351e3a466a7ca601518c2da403b01aeb182738a54d5887523ab554d747d6591cb09b07b417865e20907f7877117b2d2d069ef6c9edc0fae SHA512 da3434177438c852da53c0fda7bc2519adcda6384d97d45e44137ed0fd384ffb3da61958a7b51296edb3f88f5a5310ca71b6862f6d756aaa4012d1f54e5955f6
 DIST ocaml-4.14.2.tar.gz 5505119 BLAKE2B 518c2a69ee32e1c141b574a9800a64efc445381eb2808985b5dbb9d5ec54228aa25042a1c410307c3556488ba12a751980396b0d9a01e60a1ea84ac5b52e6dd6 SHA512 61bfa7961aae02458210f10865a5703f7a50a9be2452379e820cf2dfac2c6037da553c31835145e50a776880bdeb2ec78cd7a3147d65f418e7b3e593534e8a04
 DIST ocaml-5.3.0.tar.gz 6239856 BLAKE2B a790293d14a31d34b10f2fac22a416e967c2a06f64001b54665e691a6aecdb71caf60dd6217460257f8d18191551ffa01d0d3d62327c6eb9bc63c254c162752e SHA512 73817ada340bdf4091b3edd7b292bd0074c87b4836f202f48ecf0f620a00feaa70ebc9101b97155e8caa6907646dfdf21eff728fa0e14542df3b5e5436229d06
+DIST ocaml-5.4.0.tar.gz 6448449 BLAKE2B 88a055ac07a7ce126b71d8a242e63b68689bb637f40f0adc08e8f0be28961f7d7a6b3a2a673a137726f5100d4a032b6bba7424b168b283553e859f1bf868b482 SHA512 3684468800f4528c9fd96ef3fdd6aa04f71b77180d3ae8045d429f96b32e23cb3a8a307762c7237b6c56c087f45b59b0dab672a31166e3de254bb0fb9b4eb588

dev-lang/ocaml/ocaml-5.4.0.ebuild

@@ -0,0 +1,114 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit flag-o-matic
+
+DESCRIPTION="Programming language supporting functional, imperative & object-oriented styles"
+HOMEPAGE="https://ocaml.org/"
+SRC_URI="https://github.com/ocaml/ocaml/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="QPL-1.0 LGPL-2"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
+IUSE="emacs flambda latex +ocamlopt test xemacs"
+
+RDEPEND="sys-libs/binutils-libs:=
+	!dev-ml/findlib:0/0"
+BDEPEND="${RDEPEND}
+	virtual/pkgconfig"
+PDEPEND="emacs? ( app-emacs/ocaml-mode )
+	xemacs? ( app-xemacs/ocaml )"
+
+QA_FLAGS_IGNORED='/usr/lib.*/ocaml/bigarray.cmxs'
+
+RESTRICT="!test? ( test )"
+
+src_prepare() {
+	default
+
+	cp "${FILESDIR}"/ocaml.conf "${T}" || die
+
+	# OCaml generates textrels on 32-bit arches
+	# We can't do anything about it, but disabling it means that tests
+	# for OCaml-based packages won't fail on unexpected output
+	# bug #773226
+	if use arm || use ppc || use x86 ; then
+		append-ldflags "-Wl,-z,notext"
+	fi
+
+	# Upstream build ignores LDFLAGS in several places.
+	sed -i -e 's/\(^MKDLL=.*\)/\1 $(LDFLAGS)/' \
+		-e 's/\(^OC_CFLAGS=.*\)/\1 $(LDFLAGS)/' \
+		-e 's/\(^OC_LDFLAGS=.*\)/\1 $(LDFLAGS)/' \
+		Makefile.config.in || die "LDFLAGS fix failed"
+
+	# drop failing test (domain_count < nproc)
+	rm testsuite/tests/parallel/recommended_domain_count_unix.ml || die
+
+	# test is not working
+	rm testsuite/tests/native-debugger/linux-gdb-amd64.ml || die
+}
+
+src_configure() {
+	filter-lto #bug 870349
+	local opt=(
+		--bindir="${EPREFIX}/usr/bin"
+		--libdir="${EPREFIX}/usr/$(get_libdir)/ocaml"
+		--mandir="${EPREFIX}/usr/share/man"
+		--prefix="${EPREFIX}/usr"
+		$(use_enable test ocamltest) \
+		$(use_enable flambda)
+	)
+
+	econf "${opt[@]}"
+}
+
+src_compile() {
+	env -u P emake world
+
+	if use ocamlopt ; then
+		env -u P emake opt
+		env -u P emake opt.opt
+	fi
+}
+
+src_test() {
+	emake -j
+
+	# OCaml tests only work when run sequentially
+	if use ocamlopt ; then
+		emake -j1 ocamltest.opt
+	else
+		emake -j1 ocamltest
+		#ewarn "${PN} was built without 'ocamlopt' USE flag; skipping tests."
+	fi
+
+	emake -j1 tests
+}
+
+src_install() {
+	# OCaml generates textrels on 32-bit arches
+	if use arm || use ppc || use x86 ; then
+		export QA_TEXTRELS='.*'
+	fi
+	default
+
+	dodir /usr/include
+	# Create symlink for header files
+	dosym "../$(get_libdir)/ocaml/caml" /usr/include/caml
+	dodoc Changes README.adoc
+
+	# Create envd entry for latex input files
+	if use latex ; then
+		echo "TEXINPUTS=\"${EPREFIX}/usr/$(get_libdir)/ocaml/ocamldoc:\"" > "${T}"/99ocamldoc || die
+		doenvd "${T}"/99ocamldoc
+	fi
+
+	sed -i -e "s:lib:$(get_libdir):" "${T}"/ocaml.conf || die
+
+	# Install ocaml-rebuild portage set
+	insinto /usr/share/portage/config/sets
+	doins "${T}"/ocaml.conf
+}