| Hans Johnson | 8954092 | 2020-11-06 15:35:51 -0600 | [diff] [blame] | 1 | # |
| 2 | # This function will prevent in-source builds |
| 3 | function(AssureOutOfSourceBuilds) |
| 4 | # make sure the user doesn't play dirty with symlinks |
| 5 | get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH) |
| 6 | get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH) |
| 7 | |
| 8 | # disallow in-source builds |
| 9 | if("${srcdir}" STREQUAL "${bindir}") |
| 10 | message("######################################################") |
| 11 | message("# jsoncpp should not be configured & built in the jsoncpp source directory") |
| 12 | message("# You must run cmake in a build directory.") |
| 13 | message("# For example:") |
| 14 | message("# mkdir jsoncpp-Sandbox ; cd jsoncpp-sandbox") |
| 15 | message("# git clone https://github.com/open-source-parsers/jsoncpp.git # or download & unpack the source tarball") |
| 16 | message("# mkdir jsoncpp-build") |
| 17 | message("# this will create the following directory structure") |
| 18 | message("#") |
| 19 | message("# jsoncpp-Sandbox") |
| 20 | message("# +--jsoncpp") |
| 21 | message("# +--jsoncpp-build") |
| 22 | message("#") |
| 23 | message("# Then you can proceed to configure and build") |
| 24 | message("# by using the following commands") |
| 25 | message("#") |
| 26 | message("# cd jsoncpp-build") |
| 27 | message("# cmake ../jsoncpp # or ccmake, or cmake-gui ") |
| 28 | message("# make") |
| 29 | message("#") |
| 30 | message("# NOTE: Given that you already tried to make an in-source build") |
| 31 | message("# CMake have already created several files & directories") |
| 32 | message("# in your source tree. run 'git status' to find them and") |
| 33 | message("# remove them by doing:") |
| 34 | message("#") |
| 35 | message("# cd jsoncpp-Sandbox/jsoncpp") |
| 36 | message("# git clean -n -d") |
| 37 | message("# git clean -f -d") |
| 38 | message("# git checkout --") |
| 39 | message("#") |
| 40 | message("######################################################") |
| 41 | message(FATAL_ERROR "Quitting configuration") |
| 42 | endif() |
| 43 | endfunction() |
| 44 | |
| 45 | AssureOutOfSourceBuilds() |