| CMAKE_INSTALL_PREFIX |
| -------------------- |
| |
| Install directory used by install. |
| |
| If "make install" is invoked or INSTALL is built, this directory is |
| prepended onto all install directories. This variable defaults to |
| /usr/local on UNIX and c:/Program Files on Windows. |
| |
| On UNIX one can use the DESTDIR mechanism in order to relocate the |
| whole installation. DESTDIR means DESTination DIRectory. It is |
| commonly used by makefile users in order to install software at |
| non-default location. It is usually invoked like this: |
| |
| :: |
| |
| make DESTDIR=/home/john install |
| |
| which will install the concerned software using the installation |
| prefix, e.g. "/usr/local" prepended with the DESTDIR value which |
| finally gives "/home/john/usr/local". |
| |
| WARNING: DESTDIR may not be used on Windows because installation |
| prefix usually contains a drive letter like in "C:/Program Files" |
| which cannot be prepended with some other prefix. |
| |
| The installation prefix is also added to CMAKE_SYSTEM_PREFIX_PATH so |
| that find_package, find_program, find_library, find_path, and |
| find_file will search the prefix for other software. |
| |
| .. note:: |
| |
| Use the :module:`GNUInstallDirs` module to provide GNU-style |
| options for the layout of directories within the installation. |
