fix compile error about unsupported long double type in ppc64le

(cherry picked from commit a727a1f5462baa00a1980d117205f82df7bc4486)

musl.spec

@@ -46,7 +46,7 @@
 
 Name:		musl
 Version:	1.2.4
-Release:	1
+Release:	2
 Summary:	An implementation of the standard library for Linux-based systems
 
 License:	MIT
@@ -127,6 +127,11 @@ programs and libraries with musl easily.
 %autosetup
 
 %build
+%ifarch %{power64}
+# Deal with ABI mismatch on long double between glibc and musl
+export CC="gcc -mlong-double-64"
+%endif
+
 export LDFLAGS="%{?build_ldflags} -Wl,-soname,ld-musl.so.1"
 %configure --enable-debug --enable-wrapper=gcc
 %make_build
@@ -180,6 +185,9 @@ ln -sr %{buildroot}%{_libdir}/libc.so %{buildroot}%{_libdir}/libutil.so.1
 %{_libdir}/musl-gcc.specs
 
 %changelog
+* Thu Mar 14 2024 peng.zou <peng.zou@shingroup.cn> - 1.2.4-2
+- fix compile error about unsupported long double type in ppc64le
+
 * Tue Aug 29 2023 zhuyan <zhuyan34@huawei.com> - 1.2.4-1
 - upgrade to 1.2.4