Add cmake option to disable the stacktrace functionality. (#3777)

Setting the cmake option OIIO_DISABLE_BOOST_STACKTRACE to ON disables the use of
Boost stacktrace at compile time. This avoids dependencies on helper libraries
like dbgeng.dll.

Author: jreichel-nvidia

src/cmake/externalpackages.cmake

@@ -78,6 +78,8 @@ endif ()
 include_directories (SYSTEM "${Boost_INCLUDE_DIRS}")
 link_directories ("${Boost_LIBRARY_DIRS}")
 
+option (OIIO_DISABLE_BOOST_STACKTRACE "Disable use of Boost stacktrace." OFF)
+
 # end Boost setup
 ###########################################################################
 

src/libutil/CMakeLists.txt

@@ -39,6 +39,10 @@ if (NOT BUILD_SHARED_LIBS)
     target_compile_definitions (OpenImageIO_Util PUBLIC OIIO_STATIC_DEFINE=1)
 endif ()
 
+if (OIIO_DISABLE_BOOST_STACKTRACE)
+    target_compile_definitions (OpenImageIO_Util PRIVATE OIIO_DISABLE_BOOST_STACKTRACE)
+endif ()
+
 # Propagate C++ minimum to downstream consumers
 target_compile_features (OpenImageIO_Util
                          INTERFACE cxx_std_${DOWNSTREAM_CXX_STANDARD})

src/libutil/sysutil.cpp

@@ -74,7 +74,9 @@
 #    ifndef _GNU_SOURCE
 #        define _GNU_SOURCE
 #    endif
-#    include <boost/stacktrace.hpp>
+#    if !defined(OIIO_DISABLE_BOOST_STACKTRACE)
+#        include <boost/stacktrace.hpp>
+#    endif
 #endif
 
 // clang 7.0 (rc2) has errors when including boost thread!
@@ -662,7 +664,7 @@ aligned_free(void* ptr)
 std::string
 Sysutil::stacktrace()
 {
-#if BOOST_VERSION >= 106500
+#if BOOST_VERSION >= 106500 && !defined(OIIO_DISABLE_BOOST_STACKTRACE)
     std::stringstream out;
     out << boost::stacktrace::stacktrace();
     return out.str();
@@ -673,7 +675,7 @@ Sysutil::stacktrace()
 
 
 
-#if BOOST_VERSION >= 106500
+#if BOOST_VERSION >= 106500 && !defined(OIIO_DISABLE_BOOST_STACKTRACE)
 
 static std::string stacktrace_filename;
 static std::mutex stacktrace_filename_mutex;
@@ -688,7 +690,7 @@ stacktrace_signal_handler(int signum)
         else if (stacktrace_filename == "stderr")
             std::cerr << Sysutil::stacktrace();
         else {
-#    if BOOST_VERSION >= 106500
+#    if BOOST_VERSION >= 106500 && !defined(OIIO_DISABLE_BOOST_STACKTRACE)
             boost::stacktrace::safe_dump_to(stacktrace_filename.c_str());
 #    endif
         }
@@ -703,7 +705,7 @@ stacktrace_signal_handler(int signum)
 bool
 Sysutil::setup_crash_stacktrace(string_view filename)
 {
-#if BOOST_VERSION >= 106500
+#if BOOST_VERSION >= 106500 && !defined(OIIO_DISABLE_BOOST_STACKTRACE)
     std::lock_guard<std::mutex> lock(stacktrace_filename_mutex);
     stacktrace_filename = filename;
     ::signal(SIGSEGV, &stacktrace_signal_handler);