- Getting source. From windows or Linux
- git clone git://code.qt.io/qt/qt5.git
- cd qt5
- git checkout 5.12
- git submodule update --init --recursive
- Prerequisite
- If source is downloaded from windows, run dos2unix over entire source folders
find . -type f -print0 | xargs -0 -n 1 -P 4 dos2unix- https://stackoverflow.com/questions/11929461/how-can-i-run-dos2unix-on-an-entire-directory
- For RHEL8, jasper-devel is required. Download it from EPEL or pkgs.org:https://centos.pkgs.org/8/centos-powertools-x86_64/jasper-devel-2.0.14-4.el8.x86_64.rpm.html
- yum install jasper-devel-2.0.14-4.el8.x86_64.rpm
- Now QT doesn't ship fonts together. Needs fontconfig for installation
- yum install freetype-devel
- If source is downloaded from windows, run dos2unix over entire source folders
- source build
- mkdir build
- cd buidl
- ../qt5/configure -developer-build -opensource -nomake examples -nomake tests -prefix /opt/qt/5.12 -fontconfig -feature-freetype -system-freetype FREETYPE_INCDIR=/usr/include/freetype2
- make -j 40 all; make install
- After installation, check qt/5.12/plugins/platforms. libqwayland-generic.so and libqxcb.so are necessary to visualize on RHEL8.
- Necessary rpm for other qt5 applications
- yum install libicu-devel libxkbcommon-devel # for texmaker
- yum install libpng-devel cairo-devel # for IPE