ixion, bump boost requirement to 1.90.0 (#13872)

dev-libs/ixion/patches/boost190.patch

@@ -0,0 +1,35 @@
+From bfe5ab6adadda265d575fec9c192e6f53f2ef9f5 Mon Sep 17 00:00:00 2001
+From: Kohei Yoshida <kohei.yoshida@gmail.com>
+Date: Fri, 4 Apr 2025 21:08:55 -0400
+Subject: [PATCH] Update boost.m4 from the latest upstream
+
+---
+ m4/boost.m4 | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/m4/boost.m4 b/m4/boost.m4
+index 706035d3..342516e4 100644
+--- a/m4/boost.m4
++++ b/m4/boost.m4
+@@ -1332,11 +1332,16 @@ BOOST_DEFUN([String_Algo],
+ # --------------------------------
+ # Look for Boost.System.  For the documentation of PREFERRED-RT-OPT, see the
+ # documentation of BOOST_FIND_LIB above.  This library was introduced in Boost
+-# 1.35.0.
++# 1.35.0 and is header only since 1.70.
+ BOOST_DEFUN([System],
+-[BOOST_FIND_LIB([system], [$1],
++[
++if test $boost_major_version -ge 170; then
++  BOOST_FIND_HEADER([boost/system/error_code.hpp])
++else
++  BOOST_FIND_LIB([system], [$1],
+                 [boost/system/error_code.hpp],
+                 [boost::system::error_code e; e.clear();], [], [], [$2])
++fi
+ ])# BOOST_SYSTEM
+ 
+ 
+-- 
+GitLab
+