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Using CMake to Configure CppAD

The CMake Program
The cmake program enables one to create a single set of scripts, called CMakeLists.txt, that can be used to test and install a program on Unix, Microsoft, or Apple operating systems. For example, one can use it to automatically generate Microsoft project files.

CMake Command
The command below assumes that cmake is in your execution path with version greater than or equal 2.8. If not, you can put the path to the version of cmake in font the command. Only the cmake command and the path to the distribution directory (.. at the end of the command below) are required. In other words, the first and last lines below are required and all of the other lines are optional.

Build Directory
Create a build subdirectory of the distribution directory , change into the build directory, and execute the following command:
cmake                                                                      \
    -D CMAKE_VERBOSE_MAKEFILE=cmake_verbose_makefile                       \
    -G generator                                                           \
     \
    -D cppad_prefix=cppad_prefix                                           \
    -D cppad_postfix=cppad_postfix                                         \
     \
    -D cmake_install_includedirs=cmake_install_includedirs                 \
    -D cmake_install_libdirs=cmake_install_libdirs                         \
     \
    -D cmake_install_datadir=cmake_install_datadir                         \
    -D cmake_install_docdir=cmake_install_docdir                           \
    \
    -D adolc_prefix=adolc_prefix                                           \
    -D colpack_prefix=colpack_prefix                                       \
    -D eigen_prefix=eigen_prefix                                           \
    -D fadbad_prefix=fadbad_prefix                                         \
    -D ipopt_prefix=ipopt_prefix                                           \
    -D sacado_prefix=sacado_prefix                                         \
    \
    -D cppad_cxx_flags=cppad_cxx_flags                                     \
    -D cppad_profile_flag=cppad_profile_flag                               \
    \
    -D cppad_testvector=cppad_testvector                                   \
    -D cppad_max_num_threads=cppad_max_num_threads                         \
    -D cppad_tape_id_type=cppad_tape_id_type                               \
    -D cppad_tape_addr_type=cppad_tape_addr_type                           \
    -D cppad_debug_which=cppad_debug_which                                 \
    -D cppad_deprecated=cppad_deprecated                                   \
    \
    ..
make check
Important information about the CppAD configuration is output by this command. If you have the grep program, and store the output in cmake.log, you can get a list of all the test options with the command: 
 
     grep 'make check' cmake.log

cmake_verbose_makefile
This value should be either YES or NO. The default value, when it is not present, is NO. If it is YES, then the output of the make commands will include all of the files and flags used to run the compiler and linker. This can be useful for seeing how to compile and link your own applications.

generator
The CMake program is capable of generating different kinds of files. Below is a table with a few of the possible files
generator Description
"Unix Makefiles" make files for unix operating system
"NMake Makefiles" make files for Visual Studio
Other generator choices are available; see the cmake generators documentation.

cppad_prefix
This is the top level absolute path below which all of the CppAD files are installed by the command
     make install
 For example, if cppad_prefix is /usr, cmake_install_includedirs is include, and cppad_postfix is not specified, the file cppad.hpp is installed in the location
     /usr/include/cppad/cppad.hpp
 The default value for cppad_prefix is /usr.

cppad_postfix
This is the bottom level relative path below which all of the CppAD files are installed. For example, if cppad_prefix is /usr, cmake_install_includedirs is include, and cppad_postfix is coin, the file cppad.hpp is installed in the location
     /usr/include/coin/cppad/cppad.hpp
 The default value for cppad_postfix is empty; i.e, there is no bottom level relative directory for the installed files.

cmake_install_includedirs
This is one directory, or a list of directories separated by spaces or by semi-colons. This first entry in the list is the middle level relative path below which the CppAD include files are installed. The entire list is used for searching for include files. For example, if cppad_prefix is /usr, cmake_install_includedirs is include, and cppad_postfix is not specified, the file cppad.hpp is installed in the location
     /usr/include/cppad/cppad.hpp
 The default value for this directory list is include.

cmake_install_libdirs
This is one directory, or a list of directories separated by spaces or by semi-colons. This first entry in the list is the middle level relative path below which the CppAD library files are installed. The entire list is used for searching for library files. For example, if cppad_prefix is /usr, cmake_install_libdirs is lib, cppad_postfix is not specified, and ipopt_prefix is specified, the file libcppad_ipopt.a is installed in the location
     /usr/lib/libcppad_ipopt.a
 The default value for this directory list is lib.

cmake_install_datadir
This is the middle level relative path below which the CppAD data files are installed. For example, if cppad_prefix is /usr, cmake_install_datadir is share, and cppad_postfix is not specified, the pkgconfig file cppad.pc is installed in the location
     /usr/share/pkgconfig/cppad.pc
 The default value for cmake_install_datadir is share.

cmake_install_docdir
This is the middle level relative path below which the CppAD documentation files are installed. For example, if cppad_prefix is /usr, cmake_install_docdir is share/doc, and cppad_postfix is not specified, the file cppad.xml is installed in the location
     /usr/share/doc/cppad/cppad.xml
 There is no default value for cmake_install_docdir . If it is not specified, the documentation files are not installed.

package_prefix
Each of these packages corresponds to optional CppAD examples, that can be compiled and tested if the corresponding prefix is provided:
adolc_prefix Including the ADOL-C Examples and Tests
colpack_prefix Including the ColPack Sparsity Calculations
eigen_prefix Including the Eigen Examples and Tests
fadbad_prefix Including the FADBAD Speed Tests
ipopt_prefix Including the cppad_ipopt Library and Tests
sacado_prefix Including the Sacado Speed Tests

cppad_cxx_flags
This specifies the addition compiler flags that are used when compiling the CppAD examples and tests. The default value for these flags is the empty string "". These flags must be valid for the C++ compiler on your system. For example, if you are using g++ you could specify 
 
     -D cppad_cxx_flags="-Wall -ansi -pedantic-errors -std=c++11 -Wshadow"

C++11
In order for the compiler to take advantage of features that are new in C++11, the cppad_cxx_flags must enable these features. The compiler may still be used with a flag that disables the new features (unless it is a Microsoft compiler; i.e., _MSC_VER is defined).

debug and release
The CppAD examples and tests decide which files to compile for debugging and which to compile for release. Hence debug and release flags should not be included in cppad_cxx_flags . See also the CPPAD_DEBUG_AND_RELEASE compiler flag (which should not be included in cppad_cxx_flags ).

cppad_profile_flag
This specifies an addition compiler and link flag that is used for profiling the speed tests. A profile version of the speed test is only build when this argument is present.

Eigen and Fadbad
The packages eigen and fadbad currently generate a lot of shadowed variable warnings. If the -Wshadow flag is present, it is automatically removed when compiling examples and test that use these packages.

cppad_testvector
See Choosing the CppAD Test Vector Template Class.

cppad_max_num_threads
The value cppad_max_num_threads must be greater than or equal to four; i.e., max_num_threads >= 4 . The current default value for cppad_max_num_threads is 48, but it may change in future versions of CppAD. The value cppad_max_num_threads in turn specifies the default value for the preprocessor symbol CPPAD_MAX_NUM_THREADS .

cppad_tape_id_type
The type cppad_tape_id_type is used for identifying different tapes. The valid values for this type are unsigned char, unsigned short int, unsigned int, and size_t. The smaller the value of sizeof(cppad_tape_id_type) , the less memory is used. On the other hand, the value
     std::numeric_limits<cppad_tape_id_type>::max()
 must be larger than the maximum number of tapes used by one thread times CPPAD_MAX_NUM_THREADS .

cstdint
If all of the following cstdint types are defined, they can also be used as the value of cppad_tape_addr_type : uint8_t, uint16_t, uint32_t, uint64_t.

cppad_tape_addr_type
The type cppad_tape_addr_type is used for address in the AD recordings (tapes). The valid values for this argument are unsigned char, unsigned short int, unsigned int, size_t. The smaller the value of sizeof(cppad_tape_addr_type) , the less memory is used. On the other hand, the value
     std::numeric_limits<cppad_tape_addr_type>::max()
 must be larger than any of the following: size_op , size_op_arg , size_par , size_text , size_VecAD .

cstdint
If all of the following cstdint types are defined, they can also be used as the value of cppad_tape_addr_type : uint8_t, uint16_t, uint32_t, uint64_t.

cppad_debug_which
All of the CppAD examples and test can optionally be tested in debug or release mode (see exception below). This option controls which mode is chosen for the corresponding files. The value cppad_debug_which be one of the following: debug_even, debug_odd, debug_all, debug_none. If it is debug_even (debug_odd), files with an even (old) index in a list for each case will be compiled in debug mode. The remaining files will be compiled in release mode. If it is debug_all (debug_none), all the files will be compiled in debug (release) mode. If cppad_debug_which does not appear on the command line, the default value debug_all is used.

Exception
The test corresponding to make cppad_ipopt_speed always get complied in release more (to avoid the extra time it would take to run in debug mode). Note that this test corresponds a deprecated interface; see cppad_ipopt_nlp .

cppad_deprecated
The default value for cppad_deprecated is NO (the value YES is not currently being used).
Input File: omh/install/cmake.omh