Hello all,
Here is another update: success!
After a lot of LD_PATH, ln & -lrandomstuff dark magic that I don't
really understand I managed to compile scilab under linux ubuntu 18.04.
Se below what I've done for those interested.
A bit of warning: I tried to remove all the intermediate failures and
only keep the changes/installs that help me compile scilab.
Maybe there are some bits missing or useless.
I'll be happy to get a feedback from someone trying to build it on a
vanilla 18.04 vm to see whether this can be reproduced.
If you see some obvious mistake or simplification, do not hesitate to
let me know...
Hope it helps,
Cheers,
Antoine
############
# In order to get build-dep scilab
software-properties-gtk
tick option "Source code"
sudo apt update
sudo apt-get build-dep scilab
# In order to successfully build java stuff with the right jdk
sudo apt install openjdk-8-jdk
sudo update-alternatives --config java
* 2 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081
manual mode
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
# <!> if you tried and failed at compiling with the default jdk
(openjdk-11-jdk), there are some compiled *.class left behind, even
after 'make clean'
# and you'll get [javac] bad class file: ... class file has
wrong version 55.0, should be 52.0
# rm -rf your build folder and start again
# getting scilab source code and deps
git clone -b master --depth=1 https://github.com/scilab/scilab.git
scilab_master
cd scilab_master/scilab/
svn --force checkout
https://github.com/scilab/scilab-prerequirements.git/trunk/linux_x64/ .
# In order to build using a more modern c/fortran/c++ compiler (default
is version 7)
sudo apt install gcc-8 g++-8
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 80
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 80
# I switch to gcc-8 g++-8 to get past this compile error:
# src/cpp/fullpath.cpp:16:10: fatal error: filesystem: No such file
or directory
# #include <filesystem>
# Somehow libscigfortran does not seem to have the right name for ld to
be happy:
sudo ln -s
/home/myhome/softs/scilab-recompile/scilab_master/scilab/lib/thirdparty/redist/libscigfortran.so.5
/home/myhome/softs/scilab-recompile/scilab_master/scilab/lib/thirdparty/redist/libscigfortran.so
# The ln -s above is to get past this error:
# /usr/bin/ld: warning: libscigfortran.so.5, needed by
/home/myhome/softs/scilab-recompile/scilab_master/scilab/usr/lib/liblapack.so,
not found (try using -rpath or -rpath-link)
# Populating LDFLAGS and LD_LIBRARY_PATH using random walk and fuzzy
(really fuzzy) logic. Here be dragons!
./configure LDFLAGS="-L`pwd`/usr/lib/ -L`pwd`/lib/thirdparty
-L/usr/lib/gcc/x86_64-linux-gnu/8"
LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/:`pwd`/lib/thirdparty/:$LD_LIBRARY_PATH
export
LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/:`pwd`/lib/thirdparty/:`pwd`/lib/thirdparty/redist/:$LD_LIBRARY_PATH
; make
##########
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