Build Gfortran From Source

Re: Installing garfield to Ubuntu 10. Select “Build|Build. yml (commands used for Travis CI) and conda-recipe/ (conda pre-requisites) both which are included in the. mk file in the ROMS source. Some of these have no effect when compiling programs. Building From Source on Windows This document describes one option to build OpenBLAS and SciPy from source that was validated for scipy 1. Cygwin allows both the 3. It is used for a very wide range of applications including medical image analysis, stitching street view images, surveillance video, detecting and recognizing faces, tracking moving objects, extracting 3D models and much more. It makes me wonder what other functions are missing from the lapack libs that numpy/scipy compile against by default. Lex Trotman Version 0. This article walks through a list of recommended build flags for when you compile your C or C++ programs with GCC. I am now trying to figure out how to make gfortran-7 the default, currently --version shows gfortran-5. Create a new directory, cd to that directory, and run cmake where is the top-level MFiX source directory (containing CMakeLists. if there is an existing build directory it must be forcibly removed (rm-fr build) before doing another architecture install. One needs gfortran 6. Starting a Project with a Hand-Written Makefile The following is a typical procedure for starting a new project using a hand-written Makefile. We have been providing solutions for the mobile OEM market for over 20 years, and we earned our reputation of selling solutions by creating unique products that serve our customers’ needs. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. x line of the GNU Compiler Collection. The first stage builds the C and C++ compilers using the available system compilers. That's because NetCDF is just an I/O library, not for numerical computation. Integrate the STREAM source code with the NASA-OMP source code. 5 but now I need various dependencies: libmpc, mpfr, gmp, and who knows how much more. We do not allow creation of comments by anonymous or untrusted users, on any page. How to build and test NCL and NCAR Graphics. Interfaces allowing direct access to gnuplot from Fortran (for Unix). 10 with GCC/Gfortran, OpenMPI, OpenBLAS, FFTW and Netlib SCALAPACK. CMake a tool that manages the build process on many platforms including MSYS2 and MINGW32/64. for csh % source miriad_start. If you could build the open source OpenMP library with compatible mingw compilers, that might do the job, but when I tried it seemed to require the full Visual Studio when building on Windows. I am trying to run CosmoMC July 2015 with the gfortran that comes with gcc 6. 1 and NEC-4. For Windows and MacOS systems, only Intel and gfortran are currently supported. Download the Source File The source files (including the build scripts) need to be downloaded The current version of the Dataplot source files (Fortran files, C files, and include files, build script) (updated 08/03/2018). C and Fortran compilers (typically gcc and gfortran). The Intel® Fortran Compiler delivers benefits and capabilities by compiling applications that run on the Intel® architectures for Windows*, Linux*, or macOS*. Both the development environment and the source code repository are quite large. If it works, congratulations, you're done! If it fails, read on for more detailed instructions, or build from source. One interpretation of the INSTALL file would seem to be that with Linux86_64 only the pathf90, ifort, or pgf90 compilers work. COIN-OR fetch, build, and install helper This script works like a package manager to fetch, build, and install COIN-OR projects, along with their dependencies, from their respective git repositories. This pages describes the procedure for upgrading the shipped version of numpy. Download and install CMAKE. I believe this issue can be fixed by editing the mpif90 script (vim `which mpif90`), and replacing the line:. On Linux and Mac OS systems, you can source the appropriate script file (ifortvars file). It makes me wonder what other functions are missing from the lapack libs that numpy/scipy compile against by default. Links to these can be found at the wiki. Most of the binary executables are the latest development snapshots of GFortran and are provided to encourage testing. I have two source files readmixed. dll' in Windows. You are using 4. The following instructions are for building parallel PyMeep with all optional features from source on Ubuntu 16. Building with numpy. You can link the same folder to multiple projects, so you can reuse code without duplicating it and without needing to compile it separately. Editor’s Note: This is an updated post that covers how to install the macOS toolchain for versions of R starting at 3. The previous post outlined how to install gfortran on Mac OS X 10. If you could build the open source OpenMP library with compatible mingw compilers, that might do the job, but when I tried it seemed to require the full Visual Studio when building on Windows. make gfortran gcc. Below are just a few examples of output generated by SIMDEM using ClearWin+ and FTN95. segmentation fault--running small test case, compiled with gfortran NWChem is an open-source computational chemistry package libs and I've posted a lot more. Dependence Modeling with Copulas. d: No such file or directory Makefile:446: dest/depend/dSFMT_utils. This works on all systems, and uses a library libiconv. Windows users first should install MinGW on their system. Re: [PATCH] gfortran under macports Mabe I am wrong somehow, but in my experience the easiest install of scipy is 'port install py26-scipy'. Make sure there are no spaces in the path name for the directory in which you build: several of Sage's components will not build if there are spaces in the path. Nowadays, XBeach can be compiled as library. Asking for help, clarification, or responding to other answers. We strive to provide binary packages for the following platform. 1 from source code PyNIO can only be built on UNIX systems. Download and unpack the Xyce source code. When building, you may choose whether or not to use a bootstrapping process or not. If you are running MacOS, detailed instructions on building AToM from source can be found here. header files named in #include statements in the source. Installing on Ubuntu 9. f90 that contain the actual code and module (header) files named *. I am tempted to build Shiny Server on Alpine as soon as possible, and I will definitely make an attempt at building that image just to get an overview of the process. To compile and link C/C++ program into a shared library ('. OpenBLAS is an optimized BLAS library based on GotoBLAS2 1. Table 3 lists the build and execution modes to be carried out and which test suites will be used for which modes (Regression-like and/or V&V suites). The GNU compiler is open source, and appears to be more 'in step' with the CP2K source. bat) will run setup. In fact, XBeach is always compiled as library, possibly with a wrapper binary calling this library. Download GCC and gfortran, if not already installed. To enable parallel I/O support for classic netCDF files, i. There are more here. f90 source file, which is in the Intel compiler include directory. x versions to be installed at the same time. This will download and unpack a new version of gfortran, putting it into a new directory: ~/gfortran. Most of the work is in the first three steps, and the most difficult step to get right is building and installing Trilinos. 3 contains host-x86_64-unknown-linux-gnu. The model-component portion of the package is mostly self-contained. Updated 4 May 2019. In this article, I will show you how to compile from sources GCC 9. That’s because NetCDF is just an I/O library, not for numerical computation. The previous post outlined how to install gfortran on Mac OS X 10. The optional package manager is particularly handy, saving the user a lot of trouble with having to build external. Compiling from source Using homebrew ¶ Tested with mac OS X v10. If libgfortran. Note: The source code archive is an compressed using the 7-zip. The purpose of the GNU Fortran (GFortran) project is to develop the Fortran compiler front end and run-time libraries for GCC, the GNU Compiler Collection. You can link the same folder to multiple projects, so you can reuse code without duplicating it and without needing to compile it separately. /* gfortran header file: 2: /* We need to store source lines as sequences of multibyte source: 912: build a table of the cases for SELECT constructs with a. The GFortran compiler and the XBeach library. It will also create imported targets for the libraries created. If I call "mex -setup" and I can see the gcc compiler in Matlab, with the correct path. Recall that before building a package for the second time, you need to erase the traces of the first build by running "make distclean". I have legacy fortran 77 code that used to compile seamlessly using g77 on an old machine. Also set the VERSION to e. May be I made mistake When I select compiler for the project. Home > Famous Brand > Moss Agate Ring Cabochon Ring Size 7. Click Project > Clean, then click OK. /configure -m32 option. Specifically this means that sherpa must be built to link against libgfortran. Build Instructions to create LAPACK and LAPACKE 3. x line of the GNU Compiler Collection. Next type:. Build Xyce. The gcc-gfortran package provides support for compiling Fortran programs with the GNU Compiler Collection. This installs a very old version of gfortran (over 3 years and 4 major revisions old). Change back to the parent FVCOM_source directory. 3/bin/R /bin/R. MSYS, a contraction of "Minimal SYStem", is a Bourne Shell command line interpreter system. There are known compilation issues with gfortran-4. (I found that I had to have CCP4 build its own version of fftw for clipper to compile). I am running Mac OS 10. Users building sherpa from source with the CIAO pre-compiled binary OTS packages (recommended) may run into a problem that the version of FORTRAN used to build XSpec must be the same as is used to build sherpa. Linux: Building from source¶. If you pass the -no-undefined and --enable-runtime-pseudo-reloc options to the linker, you don't have to add dllimport or dllexport attributes to the source code that the DLL is made with ; all functions are imported/exported automatically by default, just like in unices. You can choose from several popular languages, libraries, and frameworks to develop your apps, then let App Engine take care of provisioning servers and scaling your app instances based on demand. This section contains a quick start guide on how to build the CIAO system. This web page provides information for setting up and building the CERN Program Library (Cernlib) under a Linux operating system on x86 computer chips. I strongly advice to use a recent gfortran version, I know SLC is horribly old in compiler versions, but 5. This is a page to download the source code for the "eigenray" ray propagation code for calculating the basic properties of rays over long ranges in deep water. You can issue "make --help" to list the command-line options; or "man make" to display the man pages. x line of the GNU Compiler Collection. Now, we are ready to build GCC, you typically want to pass twice the number of your computer cores to the make command in order to speed up the build. A Fortran interface to the GNU Scientific Library. If you are only rebuilding selected directories, skip step 3. As the fortran compiler, I installed gfortran and to make sure it is properly installed, I tried to issue gfortran on terminal. 6 using a binary installation. If the package manager of your Linux distribution does not have the desired packages (or the right versions), you have to install them manually, e. The gcc-gfortran package provides support for compiling Fortran programs with the GNU Compiler Collection. See also Youtube-lldb. This means not only the. a price, but we’ll concentrate on the GCC compilers which are open source and available for free. Does it Visual Studio? Thanks so much, Santosh. Introduction. The CMAS is an approach to the development, application, and analysis of environmental models that leverages the community's complementary talents and resources in order to set new standards for quality in science and in the reliability of the application of the models. This library can be built and installed in two variants: The library mode. sh or build-aux/bld. A toolkit for numerical analysis in - linear algebra - probability and statistics - structural reliability (FORM/SORM) - finite elements. Building OpenBLAS ¶. In contrary to Visual Studio and most other compiler tools for Windows, gcc is Open Source Software completely free of charge and supported by a large community. For systems other than Microsoft Windows this can normally be accomplished using the command:. AMD gives some guidance on compiling NAMD using Open64: Building NAMD. If you follow these instructions patiently, everything will work. We assume that you are on Linux (Ubuntu) right now and are building from source. 1 Introduction. If a user does want to build the documentation, they will need to download the esmf module from the ESMF SourceForge repository (see section 5. 6-doc" in Precise No other version of this package is available in the Precise release. Does it Visual Studio? Thanks so much, Santosh. This repository is intended as a tutorial for building the GNU toolchain on Android, with support for Fortran. csh and for bash $ source miriad_start. f90 source file, which is in the Intel compiler include directory. It has been identified that this source package produced different results, failed to build or had other issues in a test environment. FreeBSD for example provides gfortran8 from 2018 (version 8. /obj/Linux-x86-64-gfortran. Once you have your files in a project, creating an executable is as easy as selecting "Build Solution" from Visual Studio's Build menu. This short tutorial is a guide to help familiarize you with writing a simple Hello World program using the GFortran compiler using Ubuntu. AMD gives some guidance on compiling NAMD using Open64: Building NAMD. Installing Demeter from source code¶ The instructions for installing the DEMETER source code on a Linux machine are not trivial, but also not difficult. Typically the build directory is called "build", but you can change the name of the build directory (e. Building the source package. make FC=gfortran **If you get errors relating to openssl etc. 0-2 which uses this option). Building Safety Experts Our family of solutions delivers a wide array of building safety services, including evaluation, accreditation, certification, codification, training and more. GFortran is the name of the GNU Fortran compiler, which is part of the GNU Compiler Collection (GCC). Latex and latex2html must be installed. The Basics For starters, let's get MinGW/gfortran to compile and run the eponymous hello world program. Building on Windows itself. If you are running MacOS, detailed instructions on building AToM from source can be found here. f90 source file, which is in the Intel compiler include directory. f program on Linux or Unix OS. The warnings on the GMP and MPFR headers make me suspect that some dependency may be broken. 1 for Geany 0. (The bit about gfortran – which is the GNU implementation of Fortran – is because GotoBLAS defaults to commercial compilers if it finds any, but we’re sticking to a pure GNU buld, for simplicity. If (and only if) you intend to not build the Fortran 90 library or your Fortran 77 and Fortran 90 compilers have the same name (e. It will also put a Makevars file into your ~/. The build takes about 30-60 minutes on my quad-core 2. Building with numpy. 8 seconds (gfortran), even with similar optimization options. Thank you all Perhaps someone can assist me make gfortran-7 as the alternative to gfortran-5. Below are the minimal steps you need in order to install the KIM API. Modify the NPB3. I'm not a developer, but I messed around a bit with gfortran on the latest debian (ubuntu). To test it, install pomp from source by running the following in an R session. Binary Packages. - NROFF for on-line help building. The GNU compilers have options that allow them to create 32-bit object and executable files on 64-bit operating systems, and vica versa. To switch between variants, click the Active Build Variant cell for a module and choose the desired variant from the list field. Hey there, I am currently trying to build a shared object file from the Fortran source. 4 and higher. of Earth, Ocean & Atmospheric Sciences Univ. These instructions describe building and installing IBAMR and its required third-party libraries on a Linux system. Out of source builds are convenient for having different solvers built with different configurations. Since Release 11 (2011), source-code versions of GEMPACK support GFortran as an alternative compiler. I've tried to recompile it on a new machine (old one is dead) using the original makefile, but the linker fails under g77, while there are persisting syntax errors using gfortran. /configure -m32 option. , gfortran), you can use Libtool 1. Published June/July 2014. Minimal modifications should be required for similar operating systems. LFortran is a modern open-source (BSD licensed) interactive Fortran compiler built on top of LLVM. This would make gfortran in the same version being installed i. However, gfortran also accepts the carriage return character ('CR', '0x0D', '\r') to denote the end of records on read operations. It seems like your package has fortran code in it, correct (there are. conda build conda-recipe conda install --use-local slycot If you prefer to use the OpenBLAS library, a conda recipe is available in conda-recipe-openblas. For the time being, everyone should use -fno-optimize-sibling-calls with GFortran version 7 and newer. Perhaps because of gcc-7, gofrtran-7 has installed. android-gfortran ## Introduction. How to build PyNGL from source code PyNGL can only be built on UNIX systems. Windows users first should install MinGW on their system. RAM in Fortran 95. First Makefile By Example. I am now trying to figure out how to make gfortran-7 the default, currently --version shows gfortran-5. If, instead of installing the prebuilt binaries, you prefer (or have) to build pymc yourself, make sure you have a Fortran and a C compiler. of Earth, Ocean & Atmospheric Sciences Univ. It represents the controller for a wind turbine to be used with the wind turbine simulation code OpenFAST for which I have written the PKGBUILD with the help of various forum members in the respective thread and which I am running now on Arch. It's worth noting that gcc and gfortran share the same back-end software to do most of the compilation process, and that the manual page for gfortran contains only those options which it doesn't share with gcc. 2 or higher, serial 9. Also set the VERSION to e. Dependence Modeling with Copulas. Mosflm compiles but is completely broken by gfortran 4. Next type:. Follow directions for the compiler to load and compile the library and main program modules. The previous post outlined how to install gfortran on Mac OS X 10. net) you can find and use online many compilers ( GCC, MINGW, GFORTRAN, JAVA, GPC, FREEBASIC) for the mainstream languages that exist, you can search THE LINUX MANUAL (DEV MAN) PAGES, the JAVA & WIN32 API'S. Minimal modifications should be required for similar operating systems. 1, and I understand that the versions need to be the same. 5 billion in military funding to build high-priority sections of his prized border wall in California. Building on Windows itself. Most of the work is in the first three steps, and the most difficult step to get right is building and installing Trilinos. This is just great :-) I've tried to compile Qt 5. If the package manager of your Linux distribution does not have the desired packages (or the right versions), you have to install them manually, e. 0 with gfortran, and assume this is fairly standard. It is also possible to compile the code using the unix make utility alone, using a makefile that is provided with the source code. Introduction to Bazel: Building a C++ Project. Only when the above 4 points are checked it makes sense to proceed. header files named in #include statements in the source. After building the Fortran OPENGL binding as shown above, now you can build a client program that uses it. Linking gfortran with Intel MKL To improve on the execution time VASP can be build with the GNU compiler suite in combination with Intel's Math Kernel Library. Build HDF4 support (optional) into raster library > yes Did you build HDF4 with szip support > no export FC=gfortran source. (+ do not forget what I told you about how to have gfortran. 2, and I have downloaded and installed Xcode 3. On Ubuntu 14. for gfortran version 6. CIAO Source Build Quickstart. Thanks, Jonathan Blanchard. References. Download and unpack the Xyce source code. As the fortran compiler, I installed gfortran and to make sure it is properly installed, I tried to issue gfortran on terminal. Place the patch you want to apply into the directory the OpenTTD source code is located in (\MSYS\1. Building GCC 9 on Windows Subsystem for Linux Posted on May 4, 2017 by Paul. The GNU Project is about providing source code for its programs. 1, and I understand that the versions need to be the same. For windows, the cygwin's gcc supports the POSIX standard and allows the standard source code to be compiled. Universal GNU Fortran 4. What is the "official" statement? In INSTALL. Luckily, gcc man page directed me to the '-m32' and '-m64' options. 3 or later - http://trolltech. Short answer is: use the correct gfortran ACML version for your application's needs. This means that all object files and the final binary are generated outside of the source directory. I would suggest to install MinGW from tdm-gcc. 2 or higher, serial 9. header files named in #include statements in the source. org and some lines of code from this Stackoverflow page. Recompile GNU OpenMP (libgomp) It's probably easier you start with a freshly extracted gcc-4. 1 or later is required. To build documentation:. Install OpenCv 4. I am working on a Mac OSX version 10. This chould be useful if you want to run smaller calculations on a laptop or an office machine. If no binary version is available or the source version is newer, it will install the source versions of packages without compiled C/C++/Fortran code and offer to do so for those with, if make is available. Creating source directories and building LAPACK Now that I know what ATLAS configure flags I want to throw, I am ready to begin installing LAPACK. Building GCC inside the source directory tree fails miserably, at least for older versions. Not only do I feel like I understand a lot more about R’s internals, but I’ve also come to the conclusion that if the CRAN provides a binary build for your system, you should never really compile R yourself. Makefile:443: dest/depend/fortran. download and execute an installer, or download and unpack a binary package. Building and linking to a shared Fortran library 4 Comments / Fortran , Linux , Scientific computing / By craig I’m using GNU Fortran ( gfortran ) to build several shared libraries, and then dynamically linking to them from a Fortran program. Modify the STREAM Makefile according to NPB3. Building PnetCDF from source. As the fortran compiler, I installed gfortran and to make sure it is properly installed, I tried to issue gfortran on terminal. Installing GFortran for Source-code GEMPACK The GFortran compiler. It segfaults on a "Hello, world" program. Visual Studio will then scan your files to decide what order they should be compiled in, compile and link your source into an executable, provided the source contains no errors. Well, gfortran is the only Fortran compiler I have, so that shouldn't be an issue. I unpacked the lib-files (vbisam, pdcurses, and mpir) from this link into build_windows/x64 directory that's located inside the root of the previously unpacked GnuCOBOL zip-file. I am tempted to build Shiny Server on Alpine as soon as possible, and I will definitely make an attempt at building that image just to get an overview of the process. While I did not find fortran 90, I found a couple of places you could download fortran 95 for free. 2 somehow that might solve the issue. As mentioned before, the official source codes are not ready to compile with gfortran. Building GCC 9 on Windows Subsystem for Linux Posted on May 4, 2017 by Paul. cshrc or ~/. # dnf install perl pciutils python2 gcc-gfortran python3-libxml2 tcsh expat glib2 tcl libstdc++ bc tk gtk2 atk cairo numactl pkgconfig ethtool lsof createrepo rpm-build kernel-headers kernel-devel elfutils-libelf-devel python36 python36-devel kernel-rpm-macros. May be I made mistake When I select compiler for the project. 2 Set the PFUNIT environment variable to the chosen location You will want a separate directory for MPI and serial builds of pFUnit. apt-get install build-essential cmake-curses-gui libhdf5-serial-dev \ libfftw3-dev gfortran python-matplotlib python-scipy liblapack-dev \ xsltproc python-dev from a terminal or use the graphical package manager. This can reduce the execution time on Intel machines by a factor of 2 to 3 for typical DFT calculations. Ousterhout. How to Build the SeaDAS Science Processing Code. This full compiler name shows up in the build logs, keeping it extremely clear what you’re building code for and making it hard to accidentally use the wrong compiler. a price, but we’ll concentrate on the GCC compilers which are open source and available for free. The purpose of the GNU Fortran (GFortran) project is to develop the Fortran compiler front end and run-time libraries for GCC, the GNU Compiler Collection. Building GCC 9 on Windows Subsystem for Linux Posted on May 4, 2017 by Paul. 'Building target: SampleMD' In my source file what do I need to add or configure for this to work. When building, you may choose whether or not to use a bootstrapping process or not. The GNU compilers have options that allow them to create 32-bit object and executable files on 64-bit operating systems, and vica versa. 04 has not been established. It can execute user's code interactively to allow exploratory work (much like Python, MATLAB or Julia) as well as compile to binaries with the goal to run user's code on modern architectures such as multi-core CPUs and GPUs. looks like that's a new build. Hacktoberfest Contribute to Open Source Build with DigitalOcean Community Tools and Integrations Install gfortran compiler. yml (commands used for Travis CI) and conda-recipe/ (conda pre-requisites) both which are included in the. How to set up your environment to build NCL and NCAR Graphics from source code. Building R from source under Mac OS X 10. CDF-1, 2 and 5 formats, PnetCDF library must also be installed. I worry about this being a natural outcome of using standard Ubuntu repository (which so far supports upto gfortran-5. If you want to build your own GNU toolchain for Windows instead of downloading prebuilt ones, follow the steps described in this page. I may have to build lapack and blas from source using gfortran-7. I managed to install gfortran-7 with. Precompiled versions of these (using g77 or gfortran) are included with the source distribution, as these do not normally need to be recompiled. Most of the binary executables are the latest development snapshots of GFortran and are provided to encourage testing. Regression-like suites will be run on all platforms with all supported compilers in all supported parallelism modes. Install OpenCv 4. Build AToM from source¶ Contact candy(at)fusion. c Non-standard Fortran that causes code compiled by gfortran C on personal computers to use unstructured non-formatted C files. Hacktoberfest Contribute to Open Source Build with DigitalOcean Community Tools and Integrations Install gfortran compiler. conda build conda-recipe conda install --use-local slycot If you prefer to use the OpenBLAS library, a conda recipe is available in conda-recipe-openblas. The easiest way to set up a new isis installation is to run an installation script that will automatically download and install isis and a few commonly used modules. First install MacPorts (and if you are on 10. On some machines with multiple storage devices, builds are faster when storing the source files and the output on separate volumes. This is the C/C++ Online Compiler. Typically the build directory is called "build", but you can change the name of the build directory (e. While I did not find fortran 90, I found a couple of places you could download fortran 95 for free. When compiling the program. 6 or older, the Java Developer Package) and then run:. Building from source could be challenging for beginners. Re: NCL 5 libgfortran. BD+C’s cause is to provide essential solutions that inspire Building Teams to design and construct great places for people. 26 to link successfully. 26 - INTRODUCTION ***** HEASOFT is the generalized term for the full set of software distributed from the HEASARC, incorporating all of the newly-developed software in the HEADAS environment (e. The following binary packages are built from this source package: libblitz-doc C++ template class library for scientific computing - doc libblitz0-dev C++ template class library for scientific computing - libdev libblitz0v5 C++ template class library for scientific computing. Since Fortran allows for two different kinds of input, free form source code and fixed form source code, the compiler has to know which kind of input it is given. The Basics For starters, let's get MinGW/gfortran to compile and run the eponymous hello world program. In particular, if your blas/lapack/atlas is built with g77, you must use g77 when building numpy and scipy; on the contrary, if your atlas is built with gfortran, you must build numpy/scipy with gfortran. 'Building target: SampleMD' In my source file what do I need to add or configure for this to work. mk file in the ROMS source. The fact-checkers, whose work is more and more important for those who prefer facts over lies, police the line between fact and falsehood on a day-to-day basis, and do a great job. Today, my small contribution is to pass along a very good overview that reflects on one of Trump’s favorite overarching falsehoods. Namely: Trump describes an America in which everything was going down the tubes under  Obama, which is why we needed Trump to make America great again. And he claims that this project has come to fruition, with America setting records for prosperity under his leadership and guidance. “Obama bad; Trump good” is pretty much his analysis in all areas and measurement of U.S. activity, especially economically. Even if this were true, it would reflect poorly on Trump’s character, but it has the added problem of being false, a big lie made up of many small ones. Personally, I don’t assume that all economic measurements directly reflect the leadership of whoever occupies the Oval Office, nor am I smart enough to figure out what causes what in the economy. But the idea that presidents get the credit or the blame for the economy during their tenure is a political fact of life. Trump, in his adorable, immodest mendacity, not only claims credit for everything good that happens in the economy, but tells people, literally and specifically, that they have to vote for him even if they hate him, because without his guidance, their 401(k) accounts “will go down the tubes.” That would be offensive even if it were true, but it is utterly false. The stock market has been on a 10-year run of steady gains that began in 2009, the year Barack Obama was inaugurated. But why would anyone care about that? It’s only an unarguable, stubborn fact. Still, speaking of facts, there are so many measurements and indicators of how the economy is doing, that those not committed to an honest investigation can find evidence for whatever they want to believe. Trump and his most committed followers want to believe that everything was terrible under Barack Obama and great under Trump. That’s baloney. Anyone who believes that believes something false. And a series of charts and graphs published Monday in the Washington Post and explained by Economics Correspondent Heather Long provides the data that tells the tale. The details are complicated. Click through to the link above and you’ll learn much. But the overview is pretty simply this: The U.S. economy had a major meltdown in the last year of the George W. Bush presidency. Again, I’m not smart enough to know how much of this was Bush’s “fault.” But he had been in office for six years when the trouble started. So, if it’s ever reasonable to hold a president accountable for the performance of the economy, the timeline is bad for Bush. GDP growth went negative. Job growth fell sharply and then went negative. Median household income shrank. The Dow Jones Industrial Average dropped by more than 5,000 points! U.S. manufacturing output plunged, as did average home values, as did average hourly wages, as did measures of consumer confidence and most other indicators of economic health. (Backup for that is contained in the Post piece I linked to above.) Barack Obama inherited that mess of falling numbers, which continued during his first year in office, 2009, as he put in place policies designed to turn it around. By 2010, Obama’s second year, pretty much all of the negative numbers had turned positive. By the time Obama was up for reelection in 2012, all of them were headed in the right direction, which is certainly among the reasons voters gave him a second term by a solid (not landslide) margin. Basically, all of those good numbers continued throughout the second Obama term. The U.S. GDP, probably the single best measure of how the economy is doing, grew by 2.9 percent in 2015, which was Obama’s seventh year in office and was the best GDP growth number since before the crash of the late Bush years. GDP growth slowed to 1.6 percent in 2016, which may have been among the indicators that supported Trump’s campaign-year argument that everything was going to hell and only he could fix it. During the first year of Trump, GDP growth grew to 2.4 percent, which is decent but not great and anyway, a reasonable person would acknowledge that — to the degree that economic performance is to the credit or blame of the president — the performance in the first year of a new president is a mixture of the old and new policies. In Trump’s second year, 2018, the GDP grew 2.9 percent, equaling Obama’s best year, and so far in 2019, the growth rate has fallen to 2.1 percent, a mediocre number and a decline for which Trump presumably accepts no responsibility and blames either Nancy Pelosi, Ilhan Omar or, if he can swing it, Barack Obama. I suppose it’s natural for a president to want to take credit for everything good that happens on his (or someday her) watch, but not the blame for anything bad. Trump is more blatant about this than most. If we judge by his bad but remarkably steady approval ratings (today, according to the average maintained by 538.com, it’s 41.9 approval/ 53.7 disapproval) the pretty-good economy is not winning him new supporters, nor is his constant exaggeration of his accomplishments costing him many old ones). I already offered it above, but the full Washington Post workup of these numbers, and commentary/explanation by economics correspondent Heather Long, are here. On a related matter, if you care about what used to be called fiscal conservatism, which is the belief that federal debt and deficit matter, here’s a New York Times analysis, based on Congressional Budget Office data, suggesting that the annual budget deficit (that’s the amount the government borrows every year reflecting that amount by which federal spending exceeds revenues) which fell steadily during the Obama years, from a peak of $1.4 trillion at the beginning of the Obama administration, to $585 billion in 2016 (Obama’s last year in office), will be back up to $960 billion this fiscal year, and back over $1 trillion in 2020. (Here’s the New York Times piece detailing those numbers.) Trump is currently floating various tax cuts for the rich and the poor that will presumably worsen those projections, if passed. As the Times piece reported: