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Make relative path variables of type STRING

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When the type is PATH an absolute path is expected and user-defined
values are converted into absolute paths relative to the current directory.

Fixes #1990

(cherry picked from commit a967fadb21c17622c6cdec13ad9c827054624eb4)
This commit is contained in:
Alexander Grund 2020-09-28 16:39:48 +00:00 committed by David Tellenbach
parent a796be81a4
commit 1b080fdcb9
1 changed files with 9 additions and 4 deletions
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13
CMakeLists.txt
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@ -391,22 +391,27 @@ endif()
if(EIGEN_INCLUDE_INSTALL_DIR AND NOT INCLUDE_INSTALL_DIR)
set(INCLUDE_INSTALL_DIR ${EIGEN_INCLUDE_INSTALL_DIR}
CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where Eigen header files are installed")
CACHE STRING "The directory relative to CMAKE_PREFIX_PATH where Eigen header files are installed")
else()
set(INCLUDE_INSTALL_DIR
"${CMAKE_INSTALL_INCLUDEDIR}/eigen3"
CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where Eigen header files are installed"
CACHE STRING "The directory relative to CMAKE_PREFIX_PATH where Eigen header files are installed"
)
endif()
set(CMAKEPACKAGE_INSTALL_DIR
"${CMAKE_INSTALL_DATADIR}/eigen3/cmake"
CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where Eigen3Config.cmake is installed"
CACHE STRING "The directory relative to CMAKE_PREFIX_PATH where Eigen3Config.cmake is installed"
)
set(PKGCONFIG_INSTALL_DIR
"${CMAKE_INSTALL_DATADIR}/pkgconfig"
CACHE PATH "The directory relative to CMAKE_PREFIX_PATH where eigen3.pc is installed"
CACHE STRING "The directory relative to CMAKE_PREFIX_PATH where eigen3.pc is installed"
)
foreach(var INCLUDE_INSTALL_DIR CMAKEPACKAGE_INSTALL_DIR PKGCONFIG_INSTALL_DIR)
if(IS_ABSOLUTE "${${var}}")
message(FATAL_ERROR "${var} must be relative to CMAKE_PREFIX_PATH. Got: ${${var}}")
endif()
endforeach()
# similar to set_target_properties but append the property instead of overwriting it
macro(ei_add_target_property target prop value)