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cmake: file(RELATIVE_PATH) needs 2 absolute paths 

(cherry picked from commit 7774de0fe3)
This commit is contained in:
Anonymous Maarten 2023-10-30 19:45:49 +01:00
parent 746d74b140
commit 98abc15769
1 changed files with 9 additions and 1 deletions
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10
CMakeLists.txt
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@ -3083,9 +3083,17 @@ else()
set(sdl_static_libname "SDL2")
endif()
set(prefix ${CMAKE_INSTALL_PREFIX})
# CMAKE_PREFIX_PATH and CMAKE_INSTALL_FULL_BINDIR can be a non-absolute path
# when a master-project does e.g. `set(CMAKE_INSTALL_PREFIX "libs/SDL2" CACHE PATH "prefix" FORCE)`.
if(NOT IS_ABSOLUTE "${CMAKE_INSTALL_PREFIX}")
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_PREFIX}")
endif()
if(NOT IS_ABSOLUTE "${CMAKE_INSTALL_FULL_BINDIR}")
set(CMAKE_INSTALL_FULL_BINDIR "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_FULL_BINDIR}")
endif()
file(RELATIVE_PATH bin_prefix_relpath "${CMAKE_INSTALL_FULL_BINDIR}" "${CMAKE_INSTALL_PREFIX}")
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix "\${prefix}")
set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
set(bindir "\${exec_prefix}/${CMAKE_INSTALL_BINDIR}")