brlcad-7.28.0-0.build.sh

#! /bin/bash

set -xe

PKG=brlcad
VERSION=7.28.0
SRCURL=https://sourceforge.net/projects/brlcad/files/BRL-CAD%20Source/$VERSION/$PKG-$VERSION.tar.gz
SRC=$PKG-$VERSION.tar.gz

BUILD=0

PREFIX=/pkg/$PKG-$VERSION-$BUILD
# PREFIX=/dev/shm/pkg/$PKG-$VERSION-$BUILD

mkdir -p $PREFIX
cat >$PREFIX/profile <<-EOF
	PATH=$PREFIX/bin:\$PATH
EOF

source $PREFIX/profile

mkdir -p $PREFIX/build
cd $PREFIX/build

test -e $PKG-$VERSION.tar.gz || wget --no-verbose $SRCURL
test -n "$XWIPE" && rm -rf $PKG-$VERSION
test -d $PKG-$VERSION || tar -xf $PKG-$VERSION.tar.gz


mkdir -p $PKG-$VERSION/build
cd $PKG-$VERSION/build


# The slackbuild was again a valuable source to get this thing build
# https://slackbuilds.org/slackbuilds/14.2/graphics/brlcad/brlcad.SlackBuild
# 
# lessons learned:
#   - Warnings need to be turened off (at least for gcc5 builds).
#   - gcc7 will throw weird errors from the depths of the cstdlib (include_next, OMG!):
# 
#      In file included from /dev/shm/brlcad-7.28.0/build/include/clipper.hpp:40:0,
#                       from /dev/shm/brlcad-7.28.0/src/libged/polyclip.cpp:31:
#      /usr/include/c++/7.3.0/cstdlib:75:15: fatal error: stdlib.h: No such file or directory
#       #include_next <stdlib.h>
#                     ^~~~~~~~~~
# 
#   - BRLCAD_ENABLE_RUNTIME_DEBUG is strongly encouraged
# 

source /pkg/gcc-5.5.0-1/profile
MXCFLAGS="-O2 -fPIC"

cmake \
    -DCMAKE_COLOR_MAKEFILE=OFF \
    -DCMAKE_VERBOSE_MAKEFILE=ON \
    -DCMAKE_INSTALL_PREFIX=$PREFIX \
    -DCMAKE_C_FLAGS:STRING="$MXCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$MXCFLAGS" \
    -DBRLCAD_BUNDLED_LIBS=AUTO \
    -DBRLCAD_ENABLE_RUNTIME_DEBUG=ON \
    -DBRLCAD_FLAGS_DEBUG=OFF \
    -DBRLCAD_ENABLE_STRICT=OFF \
    -DBRLCAD_ENABLE_COMPILER_WARNINGS=OFF\
    -DBRLCAD_FLAGS_OPTIMIZATION=ON \
    -DBRLCAD_ENABLE_OPENGL=ON \
    -DBRLCAD_TCL=BUNDLED \
    -DBRLCAD_TK=BUNDLED \
    -DBRLCAD_ITCL=BUNDLED \
    -DBRLCAD_ITK=BUNDLED \
    -DBRLCAD_ENABLE_QT=OFF \
    -DBRLCAD_ENABLE_OSG=OFF \
    -DBRLCAD_ENABLE_RTGL=OFF \
    -DCMAKE_BUILD_TYPE=Release \
    -DBRLCAD_ENABLE_EXTRADOCS=ON \
    -DBRLCAD_INSTALL_EXAMPLE_GEOMETRY=ON \
    ..

NUMJOBS=$(nproc)
if test $NUMJOBS -gt 96 ; then NUMJOBS=96; fi

nice -12 make -j $NUMJOBS
make install

exit