From f0d6bc483014c88b679f6cd834c9b0f9aa514e19 Mon Sep 17 00:00:00 2001
From: Dominik 'Rathann' Mierzejewski <dominik@greysector.net>
Date: Tue, 4 Jul 2017 02:06:38 +0200
Subject: [PATCH] build 64-bit ILP64 version (#1294201)

---
 arpack.spec | 62 +++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 56 insertions(+), 6 deletions(-)

diff --git a/arpack.spec b/arpack.spec
index 7c80d92..de72b1d 100644
--- a/arpack.spec
+++ b/arpack.spec
@@ -1,10 +1,15 @@
 %global commit b0f7a6008f37f913e97f67c826fc37fa9758f626
 %global shortcommit %(c=%{commit}; echo ${c:0:7})
+%global build64 0
 %if 0%{?fedora} >= 26
 %{!?openblas_arches:%global openblas_arches x86_64 %{ix86} armv7hl %{power64} aarch64}
 %ifnarch %{openblas_arches}
 # matches openblas ExclusiveArch
 %bcond_without atlas
+%else
+%if 0%{?__isa_bits} == 64
+%global build64 1
+%endif
 %endif
 %endif
 
@@ -75,8 +80,14 @@ library and so links used for building arpack based applications.
 
 
 %prep
-%autosetup -n arpack-ng-%{version} -p 1
+%autosetup -c
+mv arpack-ng-%{version} src
+pushd src
 autoreconf -vif
+popd
+%if %{build64}
+cp -pr src src64
+%endif
 
 
 %build
@@ -89,20 +100,48 @@ autoreconf -vif
 %else
 %global blaslib -lopenblasp
 %endif
+pushd src
 %configure --enable-shared --enable-static \
     --with-blas="%{blaslib}" \
     --with-lapack="%{blaslib}"
 %make_build
+popd
+%if %{build64}
+pushd src64
+%configure --enable-shared --enable-static \
+    LIBSUFFIX=64_ \
+    SYMBOLSUFFIX=_64 \
+    INTERFACE64=1 \
+    --with-blas=%{blaslib}64_ \
+    --with-lapack=%{blaslib}64_
+%make_build
+popd
+%endif
 
 %install
+pushd src
+%make_install
+popd
+%if %{build64}
+pushd src64
 %make_install
+popd
+%endif
 # Get rid of .la files
 rm -r %{buildroot}%{_libdir}/*.la
 
 
 %check
+pushd src
+%make_build check
+pushd EXAMPLES ; make clean ; popd
+popd
+%if %{build64}
+pushd src64
 %make_build check
 pushd EXAMPLES ; make clean ; popd
+popd
+%endif
 
 
 %post -p /sbin/ldconfig
@@ -110,30 +149,41 @@ pushd EXAMPLES ; make clean ; popd
 
 
 %files
-%doc CHANGES README
-%license COPYING
+%doc src/CHANGES src/README
+%license src/COPYING
 %{_libdir}/libarpack.so.*
+%if %{build64}
+%{_libdir}/libarpack64_.so.*
+%endif
 
 
 %files devel
 %{_libdir}/pkgconfig/arpack.pc
 %{_libdir}/libarpack.so
+%if %{build64}
+%{_libdir}/pkgconfig/arpack64_.pc
+%{_libdir}/libarpack64_.so
+%endif
 
 
 %files doc
-%doc EXAMPLES/ DOCUMENTS/
-%doc CHANGES README
-%license COPYING
+%doc src/EXAMPLES/ src/DOCUMENTS/
+%doc src/CHANGES src/README
+%license src/COPYING
 
 
 %files static
 %{_libdir}/libarpack.a
+%if %{build64}
+%{_libdir}/libarpack64_.a
+%endif
 
 
 %changelog
 * Mon Jul 03 2017 Dominik Mierzejewski <rpm@greysector.net> - 3.5.0-2
 - build against openblas on supported arches
 - generating configure for 3.4.0+ requires new libtool
+- build 64-bit ILP64 version (#1294201)
 
 * Sat May 20 2017 Björn Esser <besser82@fedoraproject.org> - 3.5.0-1
 - Update to 3.5.0 (#1451525)