From e11b04e519c5d3ac54a1d1092b6f66578336add9 Mon Sep 17 00:00:00 2001
From: Anthony Scemama <scemama@irsamc.ups-tlse.fr>
Date: Wed, 6 Feb 2019 18:12:13 +0100
Subject: [PATCH] Added gmp installation in configure

---
 INSTALL.rst | 29 +++++++++++++++++++++++++++--
 configure   | 23 ++++++++++++++++++++++-
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/INSTALL.rst b/INSTALL.rst
index c950d81d..164b6ad4 100644
--- a/INSTALL.rst
+++ b/INSTALL.rst
@@ -43,6 +43,7 @@ Requirements
 - `Zlib`_
 - `GNU Patch`_
 - |ZeroMQ| : networking library
+- `GMP <https://gmplib.org/>`_ : Gnu Multiple Precision Arithmetic Library
 - |OCaml| compiler with |OPAM| package manager 
 - |Ninja| : a parallel build system
 
@@ -84,6 +85,7 @@ The following packages are supported by the :command:`configure` installer:
 * irpf90 
 * zeromq 
 * f77zmq
+* gmp
 * ocaml  ( :math:`\approx` 10 minutes)
 * ezfio 
 * docopt 
@@ -110,11 +112,11 @@ If the :command:`configure` executable fails to install a specific dependency
 -----------------------------------------------------------------------------
 
 If the :command:`configure` executable does not succeed to install a specific dependency, 
-there are some proposition of how to download and install the minimal dependencies to compile and use the |QP|
+there are some proposition of how to download and install the minimal dependencies to compile and use the |QP|.
 
 
 Before doing anything below, try to install the packages with your package manager
-(:command:`apt`, :command:`yum`, etc)
+(:command:`apt`, :command:`yum`, etc).
 
 
 Ninja
@@ -216,6 +218,29 @@ With Debian or Ubuntu, you can use
 
    sudo apt install zlib1g-dev
 
+GMP
+---
+
+GMP is the GNU Multiple Precision Arithmetic Library.
+
+* Download the latest version of gmp here:
+  `<ftp://ftp.gnu.org/gnu/gmp/gmp-6.1.2.tar.bz2>`_
+  and move it in the :file:`${QP_ROOT}/external` directory
+
+* Extract the archive, go into the :file:`gmp-*` directory and run
+  the following commands
+
+.. code:: bash
+
+   ./configure --prefix=${QP_ROOT}
+   make
+   make install
+
+With Debian or Ubuntu, you can use
+
+.. code:: bash
+
+   sudo apt install libgmp-dev
 
 
 OCaml
diff --git a/configure b/configure
index 389f7541..d432cbca 100755
--- a/configure
+++ b/configure
@@ -175,7 +175,7 @@ if [[ "${PACKAGES}.x" != ".x" ]] ; then
 fi
 
 if [[ ${PACKAGES} = all ]] ; then
-        PACKAGES="zlib ninja irpf90 zeromq f77zmq ocaml ezfio docopt resultsFile bats"
+        PACKAGES="zlib ninja irpf90 zeromq f77zmq gmp ocaml ezfio docopt resultsFile bats"
 fi
 
 
@@ -192,6 +192,21 @@ for PACKAGE in ${PACKAGES} ; do
 EOF
 
 
+    elif [[ ${PACKAGE} = gmp ]] ; then
+
+            download \
+              "ftp://ftp.gnu.org/gnu/gmp/gmp-6.1.2.tar.bz2" \
+              "${QP_ROOT}"/external/gmp.tar.bz2
+            execute << EOF
+              cd "\${QP_ROOT}"/external
+              tar --bzip2 --extract --file gmp.tar.bz2
+              rm gmp.tar.bz2
+              cd gmp*
+              ./configure --prefix=$QP_ROOT && make -j 8
+              make install
+EOF
+    
+
     elif [[ ${PACKAGE} = irpf90 ]] ; then
 
             # When changing version of irpf90, don't forget to update etc/irpf90.rc
@@ -380,6 +395,12 @@ if [[ ${F77ZMQ} = $(not_found) ]] ; then
         fail
 fi
 
+GMP=$(find_lib -lgmp)
+if [[ ${ZLIB} = $(not_found) ]] ; then
+        error "GMP (gmp) is not installed."
+        fail
+fi
+
 OPAM=$(find_exe opam)
 if [[ ${OPAM} = $(not_found) ]] ; then
         error "OPAM (ocaml) package manager is not installed."