[all] allow disable of backtrace support during build

VERSION

@@ -1 +1 @@
-B1-rc6-1-g2def6346e6+1
+B1-rc6-2-gd7fa0aeff9+1

c-host/CMakeLists.txt

@@ -14,6 +14,9 @@ if(OPTIMIZE_FOR_NATIVE)
   endif()
 endif()
 
+option(ENABLE_BACKTRACE "Enable backtrace support on crash" ON)
+add_feature_info(ENABLE_BACKTRACE ENABLE_BACKTRACE "Backtrace support.")
+
 add_compile_options(
   "-Wall"
   "-Werror"

client/CMakeLists.txt

@@ -24,6 +24,9 @@ add_feature_info(ENABLE_EGL ENABLE_EGL "EGL renderer.")
 option(ENABLE_CB_X11 "Enable X11 clipboard integration" ON)
 add_feature_info(ENABLE_CB_X11 ENABLE_CB_X11 "X11 Clipboard Integration.")
 
+option(ENABLE_BACKTRACE "Enable backtrace support on crash" ON)
+add_feature_info(ENABLE_BACKTRACE ENABLE_BACKTRACE "Backtrace support.")
+
 add_compile_options(
   "-Wall"
   "-Werror"

common/CMakeLists.txt

@@ -5,6 +5,10 @@ include_directories(
 	${PROJECT_SOURCE_DIR}/include
 )
 
+if(ENABLE_BACKTRACE)
+  add_definitions(-DENABLE_BACKTRACE)
+endif()
+
 set(COMMON_SOURCES
   src/stringutils.c
   src/stringlist.c
@@ -27,8 +31,10 @@ if(WIN32)
 else()
   set(SOURCES ${COMMON_SOURCES} ${LINUX_SOURCES})
   add_library(lg_common STATIC ${SOURCES})
+  if(ENABLE_BACKTRACE)
     target_link_libraries(lg_common bfd)
   endif()
+endif()
 
 target_include_directories(lg_common
 	INTERFACE

common/src/crash.linux.c

@@ -21,6 +21,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 #include "common/crash.h"
 #include "common/debug.h"
 
+#if defined(ENABLE_BACKTRACE)
+
 #include <execinfo.h>
 #include <signal.h>
 #include <stdio.h>
@@ -220,3 +222,12 @@ bool installCrashHandler(const char * exe)
 
   return true;
 }
+
+#else //ENABLE_BACKTRACE
+
+bool installCrashHandler(const char * exe)
+{
+  return true;
+}
+
+#endif