From 04b792474e81a3092f8082b80b96e6e4116df5e6 Mon Sep 17 00:00:00 2001
From: Antonio T <sagitter@fedoraproject.org>
Date: Dec 06 2020 09:55:37 +0000
Subject: Use devtoolset-6 on EPEL7


---

diff --git a/psblas3.spec b/psblas3.spec
index 32a95b3..1a4f21f 100644
--- a/psblas3.spec
+++ b/psblas3.spec
@@ -2,6 +2,13 @@
 %global with_openmpi 1
 %global with_serial 1
 
+# Use devtoolset-6
+# Warning: openblas on epel7 is compiled with gcc-gfortran-4.8.5 (libgfortran.so.3)
+# psblas3 needs gcc-6 to be compiled (libgfortran.so.3)
+%if 0%{?rhel} && 0%{?rhel} == 7
+%global dts devtoolset-6-
+%endif
+
 %if 0%{?fedora} >= 33
 %global blaslib flexiblas
 %else
@@ -31,7 +38,7 @@
 Name: psblas3
 Summary: Parallel Sparse Basic Linear Algebra Subroutines
 Version: %{major_minor}.1
-Release: 12%{?dist}
+Release: 13%{?dist}
 License: BSD
 URL: https://github.com/sfilippone/psblas3
 Source0: https://github.com/sfilippone/psblas3/archive/v%{version}%{?postrelease_version}/psblas3-%{version}%{?postrelease_version}.tar.gz
@@ -62,8 +69,8 @@ model operating with message passing.
 %if 0%{?with_serial}
 %package serial
 Summary: %{name} serial mode
-BuildRequires: gcc-gfortran
-BuildRequires: gcc, gcc-c++
+BuildRequires: %{?dts}gcc-gfortran
+BuildRequires: %{?dts}gcc, %{?dts}gcc-c++
 Requires: %{name}-common = %{version}-%{release}
 Requires: gcc-gfortran%{?_isa}
 
@@ -218,6 +225,10 @@ popd
 %if 0%{?with_serial}
 cd psblas3-%{version}%{?postrelease_version}
 
+%if 0%{?el7}
+%{?dts:source /opt/rh/devtoolset-6/enable}
+%endif
+
 %configure \
  --enable-serial --with-fcopt="%{?fc_optflags} -Wno-unused-variable -Wno-unused-dummy-argument -fPIC" \
  --with-ccopt="%{build_cflags} -fPIC" --with-include-path="%{_includedir}/%{blaslib} -I%{_fmoddir}" \
@@ -244,6 +255,10 @@ cd ../
 %if 0%{?arch64}
 cd build64
 
+%if 0%{?el7}
+%{?dts:source /opt/rh/devtoolset-6/enable}
+%endif
+
 %configure \
  --enable-serial --enable-long-integers --with-fcopt="%{?fc_optflags} -Wno-unused-variable -Wno-unused-dummy-argument -fPIC" \
  --with-ccopt="%{build_cflags} -fPIC" --with-include-path="%{_includedir}/%{blaslib} -I%{_fmoddir}" \
@@ -271,6 +286,11 @@ cd ../
 ## Build MPI versions
 %if 0%{?with_openmpi}
 pushd openmpi-build
+
+%if 0%{?el7}
+%{?dts:source /opt/rh/devtoolset-6/enable}
+%endif
+
 %{_openmpi_load}
 export CC=mpicc
 %configure \
@@ -298,6 +318,11 @@ popd
 
 %if 0%{?with_mpich}
 pushd mpich-build
+
+%if 0%{?el7}
+%{?dts:source /opt/rh/devtoolset-6/enable}
+%endif
+
 %{_mpich_load}
 export CC=mpicc
 %configure \
@@ -530,6 +555,9 @@ popd
 ######################################################
 
 %changelog
+* Sat Dec 05 2020 Antonio Trande <sagitter@fedoraproject.org> - 3.6.1-13
+- Use devtoolset-6 on EPEL7
+
 * Sat Dec 05 2020 Antonio Trande <sagitter@fedoraproject.org> - 3.6.1-12
 - Rebuild on EPEL7