force c++14 standard to fix build with gcc 11

gcc 11 defaults to c++17 which breaks build due to dynamic throw clauses
still used in Field3D (indirectly through OpenEXR headers). use c++14
instead which gcc defaulted to at the time last version was released.

diff --git a/Field3D.spec b/Field3D.spec
index 5aaacc0b9a498fe02aa0042794767c98e021cc5f..4c48788c98cc2a38d46b3c480ecef2402b6d770b 100644 (file)
--- a/Field3D.spec
+++ b/Field3D.spec
@@ -66,6 +66,7 @@ Dokumentacja API biblioteki Field3D.
 # main build system is scons, but there is cmake alternative, which is slightly more usable in rpm building
 install -d build
 cd build
+export CXXFLAGS="%{rpmcxxflags} %{rpmcppflags} -std=c++14"
 %cmake ..
 
 %{__make}