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dd first-time tip, to warn against doing "make".

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now i think we're reasonably safe.
This commit is contained in:
Benoit Jacob 2009-10-03 22:11:30 -04:00
parent 5f32088443
commit 7956fc49a0
2 changed files with 29 additions and 23 deletions
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28
CMakeLists.txt
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@ -141,22 +141,28 @@ ei_testing_print_summary()
message("") message("")
message("Configured Eigen ${EIGEN_VERSION_NUMBER}") message("Configured Eigen ${EIGEN_VERSION_NUMBER}")
message("You can now do the following:") message("You can now do the following:")
message("-------------+-----------------------------------------------------------------") message("--------------+----------------------------------------------------------------")
message("Command | Description") message("Command | Description")
message("-------------+-----------------------------------------------------------------") message("--------------+----------------------------------------------------------------")
message("make install | Install to ${CMAKE_INSTALL_PREFIX}") message("make install | Install to ${CMAKE_INSTALL_PREFIX}")
message(" | To change that, do: cmake . -DCMAKE_INSTALL_PREFIX=yourpath") message(" | To change that: cmake . -DCMAKE_INSTALL_PREFIX=yourpath")
message("make | Build the unit tests") message("make | Build the unit tests")
message(" | Note: that's NOT needed if you just want to install Eigen!") message(" | * That's not needed if you just want to install Eigen!")
message(" | Note: this takes lots of time & memory! Easy on the -j option!") message(" | * That takes lots of memory! Easy on the -j option!")
message("make test | Build and run the unit tests (using CTest)") message("make test | Build and run the unit tests (using CTest)")
message("make test_qr | Build a specific test, here test_qr. To run it: test/test_qr") message("make test_qr | Build a specific test, here test_qr. To run it: test/test_qr")
message("make debug_qr | Build a test with full debug info. To run it: test/debug_qr") message("make debug_qr | Build a test with full debug info. To run it: test/debug_qr")
message("make blas | Build BLAS library") message("make blas | Build BLAS library (not the same thing as Eigen)")
message("make doc | Generate the API documentation, requires Doxygen & LaTeX") message("make doc | Generate the API documentation, requires Doxygen & LaTeX")
message("-------------+-----------------------------------------------------------------") message("--------------+----------------------------------------------------------------")
message("")
message("There's no need to do 'make' unless you really want to build the unit tests!")
message("")
if(NOT EIGEN_CMAKE_ALREADY_RUN)
unset(EIGEN_CMAKE_ALREADY_RUN CACHE) # in case it was manually set to OFF in cache
set(EIGEN_CMAKE_ALREADY_RUN "ON" CACHE BOOL "Set to ON if CMake has already run here.")
message("")
message("First-time tip:")
message("")
message("If you just want to install Eigen, do 'make install' right away.")
message("No need to do 'make' before. See INSTALL file for more details.")
message("")
endif(NOT EIGEN_CMAKE_ALREADY_RUN)

10
INSTALL
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@ -4,7 +4,7 @@ Installation instructions for Eigen
Explanation before starting Explanation before starting
*************************** ***************************
It is very important to understand than Eigen consists only of header files, It is very important to understand that Eigen consists only of header files,
hence there is nothing to compile before you can use it. Moreover, these hence there is nothing to compile before you can use it. Moreover, these
header files do not depend on your platform, they are the same for header files do not depend on your platform, they are the same for
everybody. everybody.
@ -15,14 +15,14 @@ Method 1. Installing without using CMake
You can use right away the headers in the Eigen/ subdirectory. In order You can use right away the headers in the Eigen/ subdirectory. In order
to install, just copy this Eigen/ subdirectory to your favorite location. to install, just copy this Eigen/ subdirectory to your favorite location.
If you also want the unsupported features, also copy the unsupported/ If you also want the unsupported features, copy the unsupported/
subdirectory. subdirectory too.
Method 2. Installing using CMake Method 2. Installing using CMake
******************************** ********************************
Let's call this directory 'source_dir'. Before starting, create another Let's call this directory 'source_dir' (where this INSTALL file is).
directory which we will call 'build_dir'. Before starting, create another directory which we will call 'build_dir'.
Do: Do: