[common] implemented crash handler for linux (including backtrace)

client/CMakeLists.txt

@@ -33,8 +33,9 @@ add_compile_options(
   "-ffunction-sections"
   "$<$<CONFIG:DEBUG>:-O0;-g3;-ggdb>"
 )
-set(CMAKE_EXE_LINKER FLAGS "-Wl,--gc-sections")
-set(CMAKE_C_STANDARD       11)
+
+set(EXE_FLAGS "-Wl,--gc-sections")
+set(CMAKE_C_STANDARD 11)
 
 find_package(PkgConfig)
 pkg_check_modules(PKGCONFIG REQUIRED
@@ -67,7 +68,8 @@ include_directories(
 link_libraries(
 	${PKGCONFIG_LIBRARIES}
 	${GMP_LIBRARIES}
-	rt m
+	rt
+	m
 )
 
 set(SOURCES
@@ -89,6 +91,7 @@ add_subdirectory(decoders)
 add_executable(looking-glass-client ${SOURCES})
 target_compile_options(looking-glass-client PUBLIC ${PKGCONFIG_CFLAGS_OTHER})
 target_link_libraries(looking-glass-client
+	${EXE_FLAGS}
 	lg_common
 	spice
 	renderers

client/src/main.c

@@ -36,6 +36,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 #include <assert.h>
 
 #include "common/debug.h"
+#include "common/crash.h"
 #include "common/KVMFR.h"
 #include "utils.h"
 #include "kb.h"
@@ -1295,6 +1296,9 @@ int run()
 
 int main(int argc, char * argv[])
 {
+  if (!installCrashHandler(argv[0]))
+    DEBUG_WARN("Failed to install the crash handler");
+
   if (!config_load(argc, argv))
     return -1;