From 558b9b8777c22b98d5173ed1bf9794de9c1bdd2b Mon Sep 17 00:00:00 2001
From: zhaozhen <zhaozhen@loongson.cn>
Date: Thu, 9 Mar 2023 20:31:47 +0800
Subject: [PATCH] add loongarch support for openblas

---
 0001-modify-the-ABI-for-loongarch.patch | 27 +++++++++++++++++++++++++
 openblas.spec                           | 12 +++++++++--
 2 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 0001-modify-the-ABI-for-loongarch.patch

diff --git a/0001-modify-the-ABI-for-loongarch.patch b/0001-modify-the-ABI-for-loongarch.patch
new file mode 100644
index 0000000..83c81d7
--- /dev/null
+++ b/0001-modify-the-ABI-for-loongarch.patch
@@ -0,0 +1,27 @@
+From b13db2656d6e983a77b3d203b4af51ba15f2f815 Mon Sep 17 00:00:00 2001
+From: zhaozhen <zhaozhen@loongson.cn>
+Date: Thu, 9 Mar 2023 11:50:01 +0000
+Subject: [PATCH] modify the ABI for loongarch64
+
+---
+ OpenBLAS-0.3.18/Makefile.system | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git OpenBLAS-0.3.18/Makefile.system OpenBLAS-0.3.18/Makefile.system
+index 150dbef..f9101af 100644
+--- OpenBLAS-0.3.18/Makefile.system
++++ OpenBLAS-0.3.18/Makefile.system
+@@ -869,8 +869,8 @@ endif
+
+ ifeq ($(ARCH), loongarch64)
+ ifeq ($(CORE), LOONGSON3R5)
+-CCOMMON_OPT += -march=loongarch64 -mabi=lp64
+-FCOMMON_OPT += -march=loongarch64 -mabi=lp64
++CCOMMON_OPT += -march=loongarch64 -mabi=lp64d
++FCOMMON_OPT += -march=loongarch64 -mabi=lp64d
+ endif
+ endif
+
+-- 
+2.33.0
+
diff --git a/openblas.spec b/openblas.spec
index aa553d7..1672a2b 100644
--- a/openblas.spec
+++ b/openblas.spec
@@ -2,7 +2,7 @@
 
 Name:           openblas
 Version:        0.3.18
-Release:        2
+Release:        3
 Summary:        An optimized BLAS library based on GotoBLAS2 1.13 BSD version
 License:        BSD-3-Clause
 URL:            https://github.com/xianyi/OpenBLAS/
@@ -10,6 +10,7 @@ Source0:        https://github.com/xianyi/OpenBLAS/archive/v%{version}/openblas-
 Patch0000:      openblas-0.2.15-system_lapack.patch
 Patch0001:      openblas-0.2.5-libname.patch
 Patch0002:      openblas-0.3.7-tests.patch
+Patch0003:	0001-modify-the-ABI-for-loongarch.patch
 Requires:       %{name}-devel = %{version}-%{release}
 BuildRequires:  gcc gcc-gfortran perl-devel gcc-c++
 
@@ -34,7 +35,7 @@ Obsoletes:      openblas-serial64_ < %{version}-%{release} openblas-openmp64_ <
 Obsoletes:      openblas-threads64_ < %{version}-%{release} openblas-Rblas < %{version}-%{release}
 Obsoletes:      openblas-static < %{version}-%{release}
 
-ExclusiveArch:  x86_64 aarch64
+ExclusiveArch:  x86_64 aarch64 loongarch64
 
 %description
 OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD \
@@ -57,6 +58,7 @@ cd OpenBLAS-%{version}
 %endif
 %patch0001 -p1 -b .libname
 %patch0002 -p1 -b .tests
+%patch0003 -p1
 
 # Set source permissions
 find -name \*.f -exec chmod 644 {} \;
@@ -213,6 +215,9 @@ cp -a %{_includedir}/lapacke %{buildroot}%{_includedir}/%{name}
 %endif
 
 # Fix name of libraries
+%ifarch loongarch64
+suffix="_loongson3r5"
+%endif
 slibname=`basename %{buildroot}%{_libdir}/libopenblas${suffix}-*.so .so`
 mv %{buildroot}%{_libdir}/${slibname}.a %{buildroot}%{_libdir}/lib%{name}.a
 if [[ "$suffix" != "" ]]; then
@@ -351,6 +356,9 @@ rm -rf %{buildroot}%{_libdir}/pkgconfig
 %{_libdir}/lib%{name}*64_.so
 
 %changelog
+* Thu Mar 9 2023 zhaozhen <zhaozhen@loongson.cn> - 0.3.18-3
+- add loongarch support for openblas
+
 * Wed May 11 2022 wulei <wulei80@h-partners.com> - 0.3.18-2
 - License compliance rectification