add support for loongarch64

(cherry picked from commit fd229f5a3ae5a1fab6062875601279017651ed48)

add-support-for-loongarch64.patch

@@ -0,0 +1,15 @@
+diff -Naur cfitsio-4.3.0.old/fitsio2.h cfitsio-4.3.0/fitsio2.h
+--- cfitsio-4.3.0.old/fitsio2.h	2024-06-09 10:46:21.767372554 +0800
++++ cfitsio-4.3.0/fitsio2.h	2024-06-09 10:49:47.585360286 +0800
+@@ -137,6 +137,11 @@
+ #    error "can't handle long size given by _MIPS_SZLONG"
+ #  endif
+ 
++#elif defined(__loongarch64) || defined(__loongarch64__)
++#define BYTESWAPPED TRUE
++#define MACHINE OTHERTYPE
++#define LONGSIZE 64
++
+ #elif defined(__riscv)
+ 
+ /* RISC-V is always little endian */

cfitsio.spec

@@ -1,6 +1,6 @@
 Name:              cfitsio
 Version:           4.3.0
-Release:           1
+Release:           2
 Summary:           Library for manipulating FITS data files
 License:           MIT
 URL:               http://heasarc.gsfc.nasa.gov/fitsio/
@@ -9,6 +9,7 @@ Source0:           http://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/cfitsio-%{
 Patch0001:         cfitsio-noversioncheck.patch
 Patch0002:         cfitsio-pkgconfig.patch
 Patch0003:         cfitsio-ldflags.patch
+Patch0004:         add-support-for-loongarch64.patch
 
 BuildRequires:     gcc-gfortran zlib-devel bzip2-devel chrpath curl-devel make
 Requires(post):    /sbin/ldconfig
@@ -62,6 +63,7 @@ to the accuracy in the original image) depends on the amount of compression
 
 %prep
 %autosetup  -n %{name}-%{version} -p1
+
 # fix funpack/fpack -V
 sed -i 's/float version;/char* version = "%{version}";/g' fpackutil.c
 sed -i '/fits_get_version(&version);/d' fpackutil.c
@@ -116,6 +118,9 @@ chrpath -d %{buildroot}%{_bindir}/f{,un}pack
 %{_bindir}/funpack
 
 %changelog
+* Sun Jun 9 2024 zhangxianjun <zhangxianjun@kylinos.cn> - 4.3.0-2
+- add support for loongarch64
+
 * Thu Sep 14 2023 liyanan <thistleslyn@163.com> - 4.3.0-1
 - update to 4.3.0