From 9672d23ad2a3dad82ca4130a5effad2bc059ea8d Mon Sep 17 00:00:00 2001
From: Tom Callaway <spot@fedoraproject.org>
Date: Aug 10 2019 11:31:35 +0000
Subject: add patch to fix define of memrchr


---

diff --git a/asymptote-2.52-const-memrchr.patch b/asymptote-2.52-const-memrchr.patch
new file mode 100644
index 0000000..144b46d
--- /dev/null
+++ b/asymptote-2.52-const-memrchr.patch
@@ -0,0 +1,12 @@
+diff -up asymptote-2.52/prc/PRCdouble.h.s390x asymptote-2.52/prc/PRCdouble.h
+--- asymptote-2.52/prc/PRCdouble.h.s390x	2019-08-10 07:22:59.805272041 -0400
++++ asymptote-2.52/prc/PRCdouble.h	2019-08-10 07:27:18.130760904 -0400
+@@ -133,7 +133,7 @@ int stCOFDOECompare(const void*,const vo
+ 
+ #ifdef WORDS_BIGENDIAN
+ #ifndef HAVE_MEMRCHR
+-void *memrchr(const void *,int,size_t);
++const void *memrchr(const void *,int,size_t);
+ #endif
+ #endif
+ 
diff --git a/asymptote.spec b/asymptote.spec
index 8df0bd0..5fe56c4 100644
--- a/asymptote.spec
+++ b/asymptote.spec
@@ -15,6 +15,9 @@ Patch0:         asymptote-2.52-settings.patch
 Patch3:         asymptote-2.08-info-path-fix.patch
 # Use libtirpc if found
 Patch4:		asymptote-2.43-libtirpc.patch
+# memrchr value does not match hardcoded one in /usr/include/string.h
+# only conflicts on s390x
+Patch5:		asymptote-2.52-const-memrchr.patch
 BuildRequires:  gcc-c++
 BuildRequires:  ncurses-devel
 BuildRequires:  readline-devel
@@ -76,6 +79,7 @@ that LaTeX does for scientific text.
 %patch0 -p1 -b .settings
 %patch3 -p1 -b .path-fix
 %patch4 -p1 -b .libtirpc
+%patch5 -p1 -b .const-memrchr
 %{__sed} -i 's/\r//' doc/CAD1.asy
 
 # convert to UTF-8