1 # CMakeLists.txt -- libbacktrace CMake build script
2 # Contributed by Alexander Monakov, ISP RAS
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
8 # (1) Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
11 # (2) Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in
13 # the documentation and/or other materials provided with the
16 # (3) The name of the author may not be used to
17 # endorse or promote products derived from this software without
18 # specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 # DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
24 # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 # IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 # POSSIBILITY OF SUCH DAMAGE. */
32 cmake_minimum_required (VERSION 2.8)
34 project (libbacktrace)
36 set (BACKTRACE_SUPPORTED 1)
38 include (CheckSymbolExists)
39 check_symbol_exists (_Unwind_Backtrace unwind.h HAVE_BACKTRACE)
40 check_symbol_exists (_Unwind_GetIPInfo unwind.h HAVE_GETIPINFO)
43 set (BACKTRACE_FILE backtrace.c simple.c)
45 set (BACKTRACE_FILE nounwind.c)
46 set (BACKTRACE_SUPPORTED 0)
49 include (CheckCCompilerFlag)
50 check_c_compiler_flag ("-funwind-tables" FLAG_UNWIND_TABLES)
51 if (FLAG_UNWIND_TABLES)
52 add_definitions ("-funwind-tables")
55 if (CMAKE_BUILD_TYPE STREQUAL "Debug")
56 add_definitions("-D_DEBUG -DDEBUG")
60 if (CMAKE_COMPILER_IS_GNUCC)
61 add_definitions ("-Wno-switch -Wno-enum-compare")
64 # Add these compiler options to match how voglcore and voglcommon are compiled, and to get libbacktrace compiling with gcc.
65 # -fno-strict-aliasing is particularly important if voglcore is called, and -fvisibility=hidden must be used otherwide symbols from this lib could be made visible in libvogltrace.
66 add_definitions ("-g -fno-omit-frame-pointer -mtune=corei7 -fno-strict-aliasing -fno-math-errno -fvisibility=hidden")
67 SET(CMAKE_CXX_FLAGS_RELEASE "-O2 -g -DNDEBUG")
69 if ("${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
71 # Fix startup crash in dlopen_notify_callback (called indirectly from our dlopen() function) when tracing glxspheres on my AMD dev box (x86 release only)
72 #add_definitions ("-mstack-alignment=8")
76 # clang doesn't print colored diagnostics when invoked from Ninja
77 if ("${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
78 if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja")
79 add_definitions ("-fcolor-diagnostics")
83 check_c_source_compiles (
86 __sync_bool_compare_and_swap (&i, i, i);
87 __sync_lock_test_and_set (&i, 1);
88 __sync_lock_release (&i);}"
91 if (HAVE_SYNC_FUNCTIONS)
92 set (BACKTRACE_SUPPORTS_THREADS 1)
94 set (BACKTRACE_SUPPORTS_THREADS 0)
97 if (CMAKE_EXECUTABLE_FORMAT STREQUAL "ELF")
98 set (FORMAT_FILE elf.c dwarf.c)
99 math (EXPR BACKTRACE_ELF_SIZE 8*${CMAKE_C_SIZEOF_DATA_PTR})
101 set (FORMAT_FILE unknown.c)
102 set (BACKTRACE_SUPPORTED 0)
105 check_symbol_exists (mmap sys/mman.h HAVE_MMAP)
108 set (VIEW_FILE mmapio.c)
109 check_symbol_exists (MAP_ANONYMOUS sys/mman.h HAVE_MMAP_ANONYMOUS)
110 check_symbol_exists (MAP_ANON sys/mman.h HAVE_MMAP_ANON)
111 if (HAVE_MMAP_ANONYMOUS AND HAVE_MMAP_ANON)
112 set (ALLOC_FILE mmap.c)
114 set (ALLOC_FILE alloc.c)
117 set (VIEW_FILE read.c)
118 set (ALLOC_FILE alloc.c)
121 if (ALLOC_FILE STREQUAL "alloc.c")
122 set (BACKTRACE_USES_MALLOC 1)
124 set (BACKTRACE_USES_MALLOC 0)
127 if (CMAKE_BUILD_TYPE STREQUAL "Debug")
128 add_definitions("-D_DEBUG -DDEBUG")
130 add_definitions (-D_GNU_SOURCE)
131 set (CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_GNU_SOURCE)
132 check_symbol_exists (dl_iterate_phdr link.h HAVE_DL_ITERATE_PHDR)
134 include (CheckFunctionExists)
135 check_function_exists (fcntl HAVE_FCNTL)
137 check_function_exists (strnlen HAVE_DECL_STRNLEN)
139 check_function_exists (getexecname HAVE_GETEXECNAME)
141 include (CheckIncludeFile)
142 check_include_file (dwarf.h HAVE_DWARF_H)
143 if (NOT HAVE_DWARF_H)
144 set (FORMAT_FILE unknown.c)
145 set (BACKTRACE_SUPPORTED 0)
148 configure_file (backtrace-supported.h.in backtrace-supported.h)
150 configure_file (config.h.in.cmake config.h)
152 find_path(LIBUNWIND_INCLUDE_DIR libunwind.h)
154 include_directories (BEFORE
155 ${CMAKE_CURRENT_BINARY_DIR}
157 include_directories (
160 ${LIBUNWIND_INCLUDE_DIR}
162 add_library (backtrace STATIC EXCLUDE_FROM_ALL
176 target_link_libraries(backtrace voglcore)
178 find_library(LIBUNWIND_LIBRARY libunwind.a)
179 target_link_libraries(backtrace ${LIBUNWIND_LIBRARY})
181 set_target_properties (backtrace PROPERTIES
182 COMPILE_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}"
185 set (ENABLE_LIBBACKTRACE_TEST false CACHE BOOL "Enable libbacktrace testing")
186 if (ENABLE_LIBBACKTRACE_TEST)
188 add_executable (btest btest.c)
189 set_property (SOURCE btest.c PROPERTY COMPILE_FLAGS "-g")
190 target_link_libraries (btest backtrace)
191 add_test (test-libbacktrace btest)