commit:     2cdfa60bdd271c43984a8dca85fa2192b6d6216b
Author:     Christoph Junghans <junghans <AT> gentoo <DOT> org>
AuthorDate: Sun Nov  7 18:04:51 2021 +0000
Commit:     Christoph Junghans <junghans <AT> gentoo <DOT> org>
CommitDate: Sun Nov  7 20:12:26 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=2cdfa60b

sci-chemistry/gromacs: fix v2019 build on newer glibc

Package-Manager: Portage-3.0.28, Repoman-3.0.3
Signed-off-by: Christoph Junghans <junghans <AT> gentoo.org>

 .../files/gromacs-2019.6-missing-include.patch     |  38 +++
 sci-chemistry/gromacs/gromacs-2019.6-r2.ebuild     | 255 +++++++++++++++++++++
 2 files changed, 293 insertions(+)

diff --git a/sci-chemistry/gromacs/files/gromacs-2019.6-missing-include.patch 
b/sci-chemistry/gromacs/files/gromacs-2019.6-missing-include.patch
new file mode 100644
index 00000000000..cf478d52cb6
--- /dev/null
+++ b/sci-chemistry/gromacs/files/gromacs-2019.6-missing-include.patch
@@ -0,0 +1,38 @@
+From 053286ff0bfb88db5c158f5f68017c4bb5d9496a Mon Sep 17 00:00:00 2001
+From: Christoph Junghans <[email protected]>
+Date: Wed, 28 Apr 2021 19:44:09 -0600
+Subject: [PATCH] fix build on F34
+
+see https://gitlab.com/gromacs/gromacs/-/merge_requests/1524
+---
+ src/gromacs/awh/biasparams.cpp | 1 +
+ src/gromacs/mdrun/minimize.cpp | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/src/gromacs/awh/biasparams.cpp b/src/gromacs/awh/biasparams.cpp
+index f4db497002..e762ea084a 100644
+--- a/src/gromacs/awh/biasparams.cpp
++++ b/src/gromacs/awh/biasparams.cpp
+@@ -49,6 +49,7 @@
+ #include <cmath>
+ 
+ #include <algorithm>
++#include <limits>
+ 
+ #include "gromacs/math/functions.h"
+ #include "gromacs/mdtypes/awh-params.h"
+diff --git a/src/gromacs/mdrun/minimize.cpp b/src/gromacs/mdrun/minimize.cpp
+index 8550271325..495bcfdda0 100644
+--- a/src/gromacs/mdrun/minimize.cpp
++++ b/src/gromacs/mdrun/minimize.cpp
+@@ -51,6 +51,7 @@
+ #include <ctime>
+ 
+ #include <algorithm>
++#include <limits>
+ #include <vector>
+ 
+ #include "gromacs/commandline/filenm.h"
+-- 
+GitLab
+

diff --git a/sci-chemistry/gromacs/gromacs-2019.6-r2.ebuild 
b/sci-chemistry/gromacs/gromacs-2019.6-r2.ebuild
new file mode 100644
index 00000000000..35bbc972de6
--- /dev/null
+++ b/sci-chemistry/gromacs/gromacs-2019.6-r2.ebuild
@@ -0,0 +1,255 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+CMAKE_MAKEFILE_GENERATOR="ninja"
+
+inherit bash-completion-r1 cmake cuda multilib readme.gentoo-r1 
toolchain-funcs xdg-utils
+
+SRC_URI="
+       http://ftp.gromacs.org/gromacs/${PN}-${PV/_/-}.tar.gz
+       doc? ( http://ftp.gromacs.org/manual/manual-${PV/_/-}.pdf )
+       test? ( 
http://ftp.gromacs.org/regressiontests/regressiontests-${PV/_/-}.tar.gz )"
+KEYWORDS="~amd64 ~arm ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+
+ACCE_IUSE="cpu_flags_x86_sse2 cpu_flags_x86_sse4_1 cpu_flags_x86_fma4 
cpu_flags_x86_avx cpu_flags_x86_avx2"
+
+DESCRIPTION="The ultimate molecular dynamics simulation package"
+HOMEPAGE="http://www.gromacs.org/";
+
+# see COPYING for details
+# https://repo.or.cz/w/gromacs.git/blob/HEAD:/COPYING
+#        base,    vmd plugins, fftpack from numpy,  blas/lapck from netlib,    
    memtestG80 library,  mpi_thread lib
+LICENSE="LGPL-2.1 UoI-NCSA !mkl? ( !fftw? ( BSD ) !blas? ( BSD ) !lapack? ( 
BSD ) ) cuda? ( LGPL-3 ) threads? ( BSD )"
+SLOT="0/${PV}"
+IUSE="X blas cuda +doc double-precision +fftw +gmxapi +hwloc lapack +lmfit mkl 
mpi +offensive opencl openmp +single-precision test +threads +tng ${ACCE_IUSE}"
+
+CDEPEND="
+       X? (
+               x11-libs/libX11
+               x11-libs/libSM
+               x11-libs/libICE
+               )
+       blas? ( virtual/blas )
+       cuda? ( >=dev-util/nvidia-cuda-toolkit-6.5.14 )
+       opencl? ( virtual/opencl )
+       fftw? ( sci-libs/fftw:3.0= )
+       hwloc? ( sys-apps/hwloc:= )
+       lapack? ( virtual/lapack )
+       lmfit? ( sci-libs/lmfit:= )
+       mkl? ( sci-libs/mkl )
+       mpi? ( virtual/mpi )
+       ${PYTHON_DEPS}
+       "
+BDEPEND="${CDEPEND}
+       virtual/pkgconfig
+       "
+RDEPEND="${CDEPEND}"
+
+REQUIRED_USE="
+       || ( single-precision double-precision )
+       cuda? ( single-precision )
+       cuda? ( !opencl )
+       mkl? ( !blas !fftw !lapack )
+       ${PYTHON_REQUIRED_USE}"
+
+DOCS=( AUTHORS README )
+
+RESTRICT="!test? ( test )"
+
+S="${WORKDIR}/${PN}-${PV/_/-}"
+
+PATCHES=( "${FILESDIR}/${P}-missing-include.patch" )
+
+pkg_pretend() {
+       [[ $(gcc-version) == "4.1" ]] && die "gcc 4.1 is not supported by 
gromacs"
+       use openmp && ! tc-has-openmp && \
+               die "Please switch to an openmp compatible compiler"
+}
+
+src_prepare() {
+       #notes/todos
+       # -on apple: there is framework support
+
+       xdg_environment_reset #591952
+
+       cmake_src_prepare
+
+       use cuda && cuda_src_prepare
+
+       GMX_DIRS=""
+       use single-precision && GMX_DIRS+=" float"
+       use double-precision && GMX_DIRS+=" double"
+
+       if use test; then
+               for x in ${GMX_DIRS}; do
+                       mkdir -p "${WORKDIR}/${P}_${x}" || die
+                       cp -al "${WORKDIR}/regressiontests"* 
"${WORKDIR}/${P}_${x}/tests" || die
+               done
+       fi
+
+       DOC_CONTENTS="Gromacs can use sci-chemistry/vmd to read additional file 
formats"
+}
+
+src_configure() {
+       local mycmakeargs_pre=( ) extra fft_opts=( )
+
+       #go from slowest to fastest acceleration
+       local acce="None"
+       use cpu_flags_x86_sse2 && acce="SSE2"
+       use cpu_flags_x86_sse4_1 && acce="SSE4.1"
+       use cpu_flags_x86_fma4 && acce="AVX_128_FMA"
+       use cpu_flags_x86_avx && acce="AVX_256"
+       use cpu_flags_x86_avx2 && acce="AVX2_256"
+
+       #to create man pages, build tree binaries are executed (bug #398437)
+       [[ ${CHOST} = *-darwin* ]] && \
+               extra+=" -DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF"
+
+       if use fftw; then
+               fft_opts=( -DGMX_FFT_LIBRARY=fftw3 )
+       elif use mkl && has_version "=sci-libs/mkl-10*"; then
+               fft_opts=( -DGMX_FFT_LIBRARY=mkl
+                       -DMKL_INCLUDE_DIR="${MKLROOT}/include"
+                       -DMKL_LIBRARIES="$(echo 
/opt/intel/mkl/10.0.5.025/lib/*/libmkl.so);$(echo 
/opt/intel/mkl/10.0.5.025/lib/*/libiomp*.so)"
+               )
+       elif use mkl; then
+               local bits=$(get_libdir)
+               fft_opts=( -DGMX_FFT_LIBRARY=mkl
+                       -DMKL_INCLUDE_DIR="$(echo /opt/intel/*/mkl/include)"
+                       -DMKL_LIBRARIES="$(echo 
/opt/intel/*/mkl/lib/*${bits/lib}/libmkl_rt.so)"
+               )
+       else
+               fft_opts=( -DGMX_FFT_LIBRARY=fftpack )
+       fi
+
+       if use lmfit; then
+               local lmfit_opts=( -DGMX_USE_LMFIT=EXTERNAL )
+       else
+               local lmfit_opts=( -DGMX_USE_LMFIT=INTERNAL )
+       fi
+
+       mycmakeargs_pre+=(
+               "${fft_opts[@]}"
+               "${lmfit_opts[@]}"
+               -DGMX_X11=$(usex X)
+               -DGMX_EXTERNAL_BLAS=$(usex blas)
+               -DGMX_EXTERNAL_LAPACK=$(usex lapack)
+               -DGMX_OPENMP=$(usex openmp)
+               -DGMX_COOL_QUOTES=$(usex offensive)
+               -DGMX_USE_TNG=$(usex tng)
+               -DGMX_HWLOC=$(usex hwloc)
+               -DGMX_DEFAULT_SUFFIX=off
+               -DGMX_SIMD="$acce"
+               
-DGMX_VMD_PLUGIN_PATH="${EPREFIX}/usr/$(get_libdir)/vmd/plugins/*/molfile/"
+               -DBUILD_TESTING=$(usex test)
+               -DGMX_BUILD_UNITTESTS=$(usex test)
+               -DPYTHON_EXECUTABLE="${EPREFIX}/usr/bin/${EPYTHON}"
+               ${extra}
+       )
+
+       for x in ${GMX_DIRS}; do
+               einfo "Configuring for ${x} precision"
+               local suffix=""
+               #if we build single and double - double is suffixed
+               use double-precision && use single-precision && \
+                       [[ ${x} = "double" ]] && suffix="_d"
+               local p
+               [[ ${x} = "double" ]] && p="-DGMX_DOUBLE=ON" || 
p="-DGMX_DOUBLE=OFF"
+               local cuda=( "-DGMX_GPU=OFF" )
+               [[ ${x} = "float" ]] && use cuda && \
+                       cuda=( "-DGMX_GPU=ON" )
+               local opencl=( "-DGMX_USE_OPENCL=OFF" )
+               use opencl && opencl=( "-DGMX_USE_OPENCL=ON" ) cuda=( 
"-DGMX_GPU=ON" )
+               mycmakeargs=(
+                       ${mycmakeargs_pre[@]} ${p}
+                       -DGMX_MPI=OFF
+                       -DGMX_THREAD_MPI=$(usex threads)
+                       -DGMXAPI=$(usex gmxapi)
+                       "${opencl[@]}"
+                       "${cuda[@]}"
+                       "$(use test && echo 
-DREGRESSIONTEST_PATH="${WORKDIR}/${P}_${x}/tests")"
+                       -DGMX_BINARY_SUFFIX="${suffix}"
+                       -DGMX_LIBS_SUFFIX="${suffix}"
+                       )
+               BUILD_DIR="${WORKDIR}/${P}_${x}" cmake_src_configure
+               [[ ${CHOST} != *-darwin* ]] || \
+                 sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' 
"${WORKDIR}/${P}_${x}/gentoo_rules.cmake" || die
+               use mpi || continue
+               einfo "Configuring for ${x} precision with mpi"
+               mycmakeargs=(
+                       ${mycmakeargs_pre[@]} ${p}
+                       -DGMX_THREAD_MPI=OFF
+                       -DGMX_MPI=ON
+                       -DGMX_OPENMM=OFF
+                       -DGMXAPI=OFF
+                       "${opencl[@]}"
+                       "${cuda[@]}"
+                       -DGMX_BUILD_MDRUN_ONLY=ON
+                       -DBUILD_SHARED_LIBS=OFF
+                       -DGMX_BUILD_MANUAL=OFF
+                       -DGMX_BINARY_SUFFIX="_mpi${suffix}"
+                       -DGMX_LIBS_SUFFIX="_mpi${suffix}"
+                       )
+               BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" CC="mpicc" 
cmake_src_configure
+               [[ ${CHOST} != *-darwin* ]] || \
+                 sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' 
"${WORKDIR}/${P}_${x}_mpi/gentoo_rules.cmake" || die
+       done
+}
+
+src_compile() {
+       for x in ${GMX_DIRS}; do
+               einfo "Compiling for ${x} precision"
+               BUILD_DIR="${WORKDIR}/${P}_${x}"\
+                       cmake_src_compile
+               use mpi || continue
+               einfo "Compiling for ${x} precision with mpi"
+               BUILD_DIR="${WORKDIR}/${P}_${x}_mpi"\
+                       cmake_src_compile
+       done
+}
+
+src_test() {
+       for x in ${GMX_DIRS}; do
+               BUILD_DIR="${WORKDIR}/${P}_${x}"\
+                       cmake_src_compile check
+       done
+}
+
+src_install() {
+       for x in ${GMX_DIRS}; do
+               BUILD_DIR="${WORKDIR}/${P}_${x}" \
+                       cmake_src_install
+               if use doc; then
+                       newdoc "${DISTDIR}/manual-${PV/_/-}.pdf" 
"${PN}-manual-${PV}.pdf"
+               fi
+               use mpi || continue
+               BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" \
+                       cmake_src_install
+       done
+
+       if use tng; then
+               insinto /usr/include/tng
+               doins src/external/tng_io/include/tng/*h
+       fi
+       # drop unneeded stuff
+       rm "${ED}"/usr/bin/GMXRC* || die
+       for x in "${ED}"/usr/bin/gmx-completion-*.bash ; do
+               local n=${x##*/gmx-completion-}
+               n="${n%.bash}"
+               cat "${ED}"/usr/bin/gmx-completion.bash "$x" > "${T}/${n}" || 
die
+               newbashcomp "${T}"/"${n}" "${n}"
+       done
+       rm "${ED}"/usr/bin/gmx-completion*.bash || die
+       readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+       einfo
+       einfo  "Please read and cite:"
+       einfo  "Gromacs 4, J. Chem. Theory Comput. 4, 435 (2008). "
+       einfo  "https://dx.doi.org/10.1021/ct700301q";
+       einfo
+       readme.gentoo_print_elog
+}

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