1 files changed, 38 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/math/singular/redhat-aarch64.patch b/nixpkgs/pkgs/applications/science/math/singular/redhat-aarch64.patch
new file mode 100644
index 000000000000..e0db6e87f994
--- /dev/null
+++ b/nixpkgs/pkgs/applications/science/math/singular/redhat-aarch64.patch
@@ -0,0 +1,38 @@
+diff --git a/m4/cpu-check.m4 b/m4/cpu-check.m4
+index 3cf0a7f08..12bb926ac 100644
+--- a/m4/cpu-check.m4
++++ b/m4/cpu-check.m4
+@@ -37,6 +37,18 @@ if test "$ac_cv_singcpuname" = ppc; then
+   AC_DEFINE(SI_CPU_PPC,1,"PPC")
+   AC_SUBST(SI_CPU_PPC)
+ fi
++if test "$ac_cv_singcpuname" = arm -o "$ac_cv_singcpuname" = armel; then
++  AC_DEFINE(SI_CPU_ARM,1,"ARM")
++  AC_SUBST(SI_CPU_ARM)
++fi
++if test "$ac_cv_singcpuname" = aarch64; then
++  AC_DEFINE(SI_CPU_AARCH64,1,"AARCH64")
++  AC_SUBST(SI_CPU_AARCH64)
++fi
++if test "$ac_cv_singcpuname" = s390; then
++  AC_DEFINE(SI_CPU_S390,1,"S390")
++  AC_SUBST(SI_CPU_S390)
++fi
+ 
+ # UNAME and PATH
+ AC_MSG_CHECKING(uname for Singular)
+@@ -65,6 +77,14 @@ dnl testet on: ppc_Linux, 740/750 PowerMac G3, 512k L2 cache
+   [powerpc*|ppc*], [AC_DEFINE(HAVE_GENERIC_MULT,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)],
+ dnl the following settings seems to be better on arm processors
+   [arm*], [],
++dnl FIXME: need to run some tests
++  [aarch64*], [
++            AC_DEFINE(HAVE_MULT_MOD,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)
++            AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)
++            AC_DEFINE(HAVE_DIV_MOD,1,division using extend euclidian algorithm otherwise using tables of logartihms)
++            ],
++dnl FIXME: need to run some tests
++  [s390*], [AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)],
+   []
+ )
+