Fix compilation error due to dynamic stack sizes

Resolves: rhbz#1980993

catch1-dynamic-stack.patch

@@ -0,0 +1,118 @@
+diff --color -ru a/include/internal/catch_fatal_condition.hpp b/include/internal/catch_fatal_condition.hpp
+--- a/include/internal/catch_fatal_condition.hpp	2018-05-14 15:15:28.000000000 +0200
++++ b/include/internal/catch_fatal_condition.hpp	2021-07-15 14:08:17.297322549 +0200
+@@ -133,10 +133,11 @@
+ 
+     struct FatalConditionHandler {
+ 
++        static char* altStackMem;
++        static std::size_t altStackSize;
+         static bool isSet;
+         static struct sigaction oldSigActions [sizeof(signalDefs)/sizeof(SignalDefs)];
+         static stack_t oldSigStack;
+-        static char altStackMem[SIGSTKSZ];
+ 
+         static void handleSignal( int sig ) {
+             std::string name = "<unknown signal>";
+@@ -153,10 +154,16 @@
+         }
+ 
+         FatalConditionHandler() {
++            assert(!altStackMem && "Cannot initialize POSIX signal handler when one already exists");
++            if (altStackSize == 0) {
++                altStackSize = std::max(static_cast<size_t>(SIGSTKSZ), (size_t)(32 * 1024));
++            }
++            altStackMem = new char[altStackSize]();
++
+             isSet = true;
+             stack_t sigStack;
+             sigStack.ss_sp = altStackMem;
+-            sigStack.ss_size = SIGSTKSZ;
++            sigStack.ss_size = altStackSize;
+             sigStack.ss_flags = 0;
+             sigaltstack(&sigStack, &oldSigStack);
+             struct sigaction sa = { 0 };
+@@ -171,6 +178,11 @@
+ 
+         ~FatalConditionHandler() {
+             reset();
++
++            delete[] altStackMem;
++            // We signal that another instance can be constructed by zeroing
++            // out the pointer.
++            altStackMem = nullptr;
+         }
+         static void reset() {
+             if( isSet ) {
+@@ -185,10 +197,11 @@
+         }
+     };
+ 
++    char* FatalConditionHandler::altStackMem = nullptr;
++    std::size_t FatalConditionHandler::altStackSize = 0;
+     bool FatalConditionHandler::isSet = false;
+     struct sigaction FatalConditionHandler::oldSigActions[sizeof(signalDefs)/sizeof(SignalDefs)] = {};
+     stack_t FatalConditionHandler::oldSigStack = {};
+-    char FatalConditionHandler::altStackMem[SIGSTKSZ] = {};
+ 
+ 
+ } // namespace Catch
+diff --color -ru a/single_include/catch.hpp b/single_include/catch.hpp
+--- a/single_include/catch.hpp	2018-05-14 15:15:28.000000000 +0200
++++ b/single_include/catch.hpp	2021-07-15 14:21:18.755941570 +0200
+@@ -6537,10 +6537,11 @@
+ 
+     struct FatalConditionHandler {
+ 
++        static char* altStackMem;
++        static std::size_t altStackSize;
+         static bool isSet;
+         static struct sigaction oldSigActions [sizeof(signalDefs)/sizeof(SignalDefs)];
+         static stack_t oldSigStack;
+-        static char altStackMem[SIGSTKSZ];
+ 
+         static void handleSignal( int sig ) {
+             std::string name = "<unknown signal>";
+@@ -6557,10 +6558,16 @@
+         }
+ 
+         FatalConditionHandler() {
++            assert(!altStackMem && "Cannot initialize POSIX signal handler when one already exists");
++            if (altStackSize == 0) {
++                altStackSize = std::max(static_cast<size_t>(SIGSTKSZ), (size_t)(32 * 1024));
++            }
++            altStackMem = new char[altStackSize]();
++
+             isSet = true;
+             stack_t sigStack;
+             sigStack.ss_sp = altStackMem;
+-            sigStack.ss_size = SIGSTKSZ;
++            sigStack.ss_size = altStackSize;
+             sigStack.ss_flags = 0;
+             sigaltstack(&sigStack, &oldSigStack);
+             struct sigaction sa = { 0 };
+@@ -6574,6 +6581,11 @@
+ 
+         ~FatalConditionHandler() {
+             reset();
++
++            delete[] altStackMem;
++            // We signal that another instance can be constructed by zeroing
++            // out the pointer.
++            altStackMem = nullptr;
+         }
+         static void reset() {
+             if( isSet ) {
+@@ -6588,10 +6600,11 @@
+         }
+     };
+ 
++    char* FatalConditionHandler::altStackMem = nullptr;
++    std::size_t FatalConditionHandler::altStackSize = 0;
+     bool FatalConditionHandler::isSet = false;
+     struct sigaction FatalConditionHandler::oldSigActions[sizeof(signalDefs)/sizeof(SignalDefs)] = {};
+     stack_t FatalConditionHandler::oldSigStack = {};
+-    char FatalConditionHandler::altStackMem[SIGSTKSZ] = {};
+ 
+ } // namespace Catch
+ 

catch1.spec

@@ -2,7 +2,7 @@
 
 Name:           catch1
 Version:        1.12.2
-Release:        8%{?dist}
+Release:        9%{?dist}
 Summary:        A modern, C++-native, header-only, framework for unit-tests, TDD and BDD
 
 License:        Boost
@@ -11,6 +11,8 @@ Source0:        https://github.com/philsquared/Catch/archive/v%{version}/%{name}
 
 BuildRequires:  cmake make gcc-c++
 
+Patch1: catch1-dynamic-stack.patch
+
 %description
 Catch stands for C++ Automated Test Cases in Headers and is a
 multi-paradigm automated test framework for C++ and Objective-C (and,
@@ -55,6 +57,10 @@ cp -pr include  %{buildroot}%{_includedir}/catch
 
 
 %changelog
+* Thu Jul 15 2021 Zoltan Fridrich <zfridric@redhat.com> - 1.12.2-9
+- Fix compilation error due to dynamic stack sizes
+Resolves: rhbz#1980993
+
 * Thu Apr 15 2021 Mohan Boddu <mboddu@redhat.com> - 1.12.2-8
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937