#+TITLE: QMCkl configuration

This files contains al the information to generate the files required
by Autotools to build the =configure= script for the library.

* Scripts analyzing source code
  
** Version of the library

 #+NAME: version
 #+BEGIN_SRC sh
echo 1.0
 #+END_SRC

 #+RESULTS: version
 : 1.0

 #+NAME: issues
 #+BEGIN_SRC sh
echo "https://github.com/TREX-CoE/qmckl/issues"
 #+END_SRC

 #+RESULTS: issues
 : https://github.com/TREX-CoE/qmckl/issues

 #+NAME: website
 #+BEGIN_SRC sh
echo "https://trex-coe.github.io/qmckl/index.html"
 #+END_SRC

 #+RESULTS: website
 : https://trex-coe.github.io/qmckl/index.html


 #+NAME: revision
 #+BEGIN_SRC sh
git log --oneline | head -1
 #+END_SRC

 #+RESULTS: revision
 : 5f2da3e Fixed website
 
** C Header files

   #+NAME: headers
   #+BEGIN_SRC sh :tangle no
#grep --regexp="\#include\\s+<.*>" --no-filename src/*.org \
grep --regexp="\#include\\s*<.*>" --no-filename src/*.org \
    | sort \
    | uniq \
    | cut -d '<' -f 2 \
    | cut -d '>' -f 1 \
    | tr '\n' ' '
   #+END_SRC 

   #+RESULTS: headers
   : assert.h errno.h math.h stdint.h stdlib.h string.h


* configure.ac

** Initialization

   #+BEGIN_SRC sh :noweb yes :tangle configure.ac
# This file was generated from the org-mode file configure.org

VERSION=[<<version()>>]
AC_SUBST([VERSION])

AC_REVISION([<<revision()>>])
AC_INIT([QMCkl],[<<version()>>],
        [<<issues()>>], [],
        [<<website()>>])
   #+END_SRC 
  
** Source files
   #+BEGIN_SRC sh :noweb yes :tangle configure.ac
AC_CONFIG_SRCDIR([src/README.org])
   #+END_SRC 

** C Compiler
   
   #+BEGIN_SRC sh :noweb yes :tangle configure.ac 
AC_LANG_PUSH([C])
AC_PROG_CC

AC_CHECK_HEADERS([<<headers()>>])
   #+END_SRC 

** Fortran Compiler
   
   #+BEGIN_SRC sh :noweb yes :tangle configure.ac 
AC_PROG_FC([ifort gfortran flang],[Fortran])
AC_PROG_FC_C_O
AC_FC_SRCEXT([f90])
AC_FC_FREEFORM
   #+END_SRC 

** External libraries

   #+BEGIN_SRC sh :tangle configure.ac
AC_CHECK_HEADER([munit/munit.h], [echo found], [echo not found] )

AC_CHECK_LIB([pthread], [pthread_create])

AC_SEARCH_LIBS([dgemm], [blas mkl],
                [],
                AC_MSG_ERROR([Unable to find a BLAS library])
              ])
   #+END_SRC 

** Makefile
   
   #+BEGIN_SRC sh :tangle configure.ac
AC_CONFIG_FILES(Makefile)
   #+END_SRC 

** Library

   #+BEGIN_SRC sh :tangle configure.ac

   #+END_SRC 

** Documentation
   
   #+BEGIN_SRC sh :noweb yes :tangle configure.ac 
AC_CHECK_PROGS([HAS_EMACS],[emacs],[])
   #+END_SRC 

** Finalization

   #+BEGIN_SRC sh :tangle configure.ac
AC_OUTPUT
   #+END_SRC 

* Makefile.am