sci-libs/gmsh: add 4.14.1, fix finding system alglib, add slot op

rm bundled libs to make sure they are not used.

Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

sci-libs/gmsh/Manifest

@@ -1 +1,2 @@
 DIST gmsh-4.14.0-source.tgz 18458158 BLAKE2B 02af538c094fb7fa1033f3d5821dab3e1554ca10e0bc7a0ab87cca3079e119c5fec149c4af2f4c12d213776f36d8b9734631fd5a3240a9e938c2330dd6bc8989 SHA512 130104088e6ba195a4bdc14ef4c79b28872996fa58690161bf304e267d02b21247a3f7865d4c08eadc87cd686657a7fea52379b5ec0a8d67280b237c2a2647bc
+DIST gmsh-4.14.1-source.tgz 18458428 BLAKE2B 5a38e166b52c68f2880d4d0d649719800844289cf8b2e8377b6579bb1b91e5b1e7c0adfb528371ab92ed761f1a4433ecc73d1220c6e35d8c731b233f36fd6143 SHA512 746be1fcbb6b39d1b77df0ee47a3080b34de90f859ca6c31ef7331d7a3d56ec129b35c4383f909dbf47c80199764ea2a2cbffa4f09b018c131f6c97158d05a1c

sci-libs/gmsh/files/gmsh-4.14.1-alglib.patch

@@ -0,0 +1,14 @@
+Partially reverts https://gitlab.onelab.info/gmsh/gmsh/-/commit/8becbc0bca57e5f823a36327a400d2d3688b3dba
+which could not possibly have worked with system alglib.
+
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -774,7 +774,7 @@
+ 
+ if(ENABLE_ALGLIB)
+   find_library(ALGLIB_LIB alglib)
+-  find_path(ALGLIB_INC "stdafx.h" PATH_SUFFIXES libalglib)
++  find_path(ALGLIB_INC "stdafx.h" PATH_SUFFIXES alglib)
+   if(ENABLE_SYSTEM_CONTRIB AND ALGLIB_LIB AND ALGLIB_INC)
+     list(APPEND EXTERNAL_LIBRARIES ${ALGLIB_LIB})
+     list(APPEND EXTERNAL_INCLUDES ${ALGLIB_INC})

sci-libs/gmsh/gmsh-4.14.1.ebuild

@@ -0,0 +1,153 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit cmake desktop fortran-2 python-r1 toolchain-funcs xdg-utils
+
+DESCRIPTION="Three-dimensional finite element mesh generator"
+HOMEPAGE="https://gmsh.info https://gitlab.onelab.info/gmsh/gmsh"
+SRC_URI="https://gmsh.info/src/${P}-source.tgz"
+S="${WORKDIR}/${P}-source"
+
+LICENSE="
+	GPL-2+ free-noncomm
+	alglib? ( MIT )
+	gmm? ( LGPL-2.1+ )
+	metis? ( Apache-2.0 )
+	netgen? ( LGPL-2.1+ )
+	voro? ( BSD )
+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+## cgns is not compiling ATM, maybe fix cgns lib first
+IUSE="+alglib +blas cgns eigen examples +gmm gui jpeg med metis mpi mumps netgen opencascade petsc pdf png python shared slepc voro zlib"
+
+REQUIRED_USE="
+	^^ ( blas eigen )
+	mumps? ( blas )
+	slepc? ( petsc )
+	python? ( shared ${PYTHON_REQUIRED_USE} )
+"
+
+RDEPEND="
+	virtual/fortran
+	gui? ( x11-libs/fltk:1=[xft(+)] )
+	alglib? ( sci-libs/alglib:= )
+	blas? (
+		sci-libs/fftw:3.0
+		virtual/blas
+		virtual/lapack
+	)
+	cgns? (
+		sci-libs/cgnslib
+		sci-libs/hdf5:=[mpi=]
+	)
+	eigen? ( dev-cpp/eigen )
+	gmm? ( sci-mathematics/gmm )
+	jpeg? ( media-libs/libjpeg-turbo )
+	med? (
+		sci-libs/hdf5:=[mpi=]
+		sci-libs/med[mpi=]
+	)
+	metis? ( >=sci-libs/metis-5.2.0 )
+	mpi? ( virtual/mpi )
+	mumps? ( sci-libs/mumps[mpi=] )
+	opencascade? ( sci-libs/opencascade:* )
+	pdf? ( app-text/poppler:= )
+	png? ( media-libs/libpng:0 )
+	petsc? ( sci-mathematics/petsc[mpi=] )
+	python? ( ${PYTHON_DEPS} )
+	slepc? ( sci-mathematics/slepc[mpi=] )
+	voro? ( sci-libs/voro++ )
+	zlib? ( sys-libs/zlib )
+"
+
+DEPEND="
+	${RDEPEND}
+	${PYTHON_DEPS}
+	virtual/pkgconfig
+	python? ( dev-lang/swig )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-4.9.5-opencascade.patch
+	"${FILESDIR}"/${PN}-4.11.1-metis-5-2.patch
+	"${FILESDIR}"/${PN}-4.14.1-alglib.patch # downstream; find it in include subdir
+)
+
+src_prepare() {
+	# ensure we don't let automagic detect bundled libs
+	# for pkgs supposed to be in system
+	einfo "Cleanup bundled libs:"
+	local contrib
+	for contrib in ALGLIB eigen gmm metis Netgen voro++; do
+		rm -rv contrib/${contrib} || die
+	done
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=( -DENABLE_SYSTEM_CONTRIB="YES" )
+
+	use blas && \
+		mycmakeargs+=( -DCMAKE_Fortran_COMPILER=$(tc-getF77) )
+
+	mycmakeargs+=(
+		-DENABLE_ALGLIB="$(usex alglib)"
+		-DENABLE_BLAS_LAPACK="$(usex blas)"
+		-DENABLE_BUILD_DYNAMIC="$(usex shared)"
+		-DENABLE_CGNS="$(usex cgns)"
+		-DENABLE_EIGEN="$(usex eigen)"
+		-DENABLE_FLTK="$(usex gui)"
+		-DENABLE_GMM="$(usex gmm)"
+		-DENABLE_GRAPHICS="$(usex gui)"
+		-DENABLE_MED="$(usex med)"
+		-DENABLE_MPI="$(usex mpi)"
+		-DENABLE_METIS="$(usex metis)"
+		-DENABLE_MUMPS="$(usex mumps)"
+		-DENABLE_NETGEN="$(usex netgen)"
+		-DENABLE_OCC="$(usex opencascade)"
+		-DENABLE_PETSC="$(usex petsc)"
+		-DENABLE_POPPLER="$(usex pdf)"
+		-DENABLE_SLEPC="$(usex slepc)"
+		-DENABLE_PRIVATE_API="$(usex shared)"
+		-DENABLE_VOROPP="$(usex voro)"
+		-DENABLE_WRAP_PYTHON="$(usex python)"
+	)
+
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	if use examples ; then
+		dodoc -r examples tutorials
+		docompress -x /usr/share/doc/${PF}/{examples,tutorials}
+	fi
+
+	if use python; then
+		python_foreach_impl python_domodule api/gmsh.py
+	fi
+
+	if use gui ; then
+		newicon -s 64 "/${S}/utils/icons/gmsh-no-text.png" gmsh.png
+		make_desktop_entry "/usr/bin/gmsh" "Gmsh ${PV}" "gmsh" "Science;Math"
+	fi
+}
+
+pkg_postinst() {
+	if use gui ; then
+		xdg_icon_cache_update
+	fi
+}
+
+pkg_postrm() {
+	if use gui ; then
+		xdg_icon_cache_update
+	fi
+}