CMake support

.gitignore

@@ -3,3 +3,8 @@
 *.lo
 *.a
 *.la
+
+backtrace-supported\.h
+
+config\.h
+

CMakeLists.txt

@@ -0,0 +1,106 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(backtrace)
+
+# Automake uses -frandom-seed initialized with file name of given file
+# but AFAIK it can't be done on CMake, so here's always same seed
+set(CMAKE_CXX_FLAGS "-DHAVE_CONFIG_H -funwind-tables -frandom-seed=mySeed -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -g -O2")
+set(CMAKE_C_FLAGS "-DHAVE_CONFIG_H -funwind-tables -frandom-seed=mySeed -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -g -O2")
+
+file(GLOB sources 
+	atomic.c dwarf.c fileline.c posix.c print.c sort.c state.c backtrace.c
+	simple.c pecoff.c read.c alloc.c config.h
+)
+file(GLOB export_headers
+	${CMAKE_CURRENT_BINARY_DIR}/backtrace.h
+	${CMAKE_CURRENT_BINARY_DIR}/backtrace-supported.h
+)
+
+add_library(${PROJECT_NAME} ${sources} ${export_headers})
+include_directories(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})
+
+if(CMAKE_COMPILER_IS_GNUCC)
+	set(BACKTRACE_SUPPORTED 1)
+
+	# Assume multi-threaded environment
+	set(BACKTRACE_SUPPORTS_THREADS 1)
+
+	# Assume ELF/DWARF, meaning that BACKTRACE_SUPPORTS_DATA is hard-coded on.
+	set(BACKTRACE_SUPPORTS_DATA 1)
+
+	find_package(ZLIB)
+	if(ZLIB_FOUND)
+		SET(HAVE_LIBZ 1)
+		SET(HAVE_ZLIB 1)
+		target_link_libraries(${PROJECT_NAME} z)
+	else()
+		SET(HAVE_LIBZ 0)
+		SET(HAVE_ZLIB 0)
+	endif()
+
+	if(WIN32)
+		# Typical MinGW config
+		# DWARF2 exception handling could be detected based on parsing gcc --version
+		set(BACKTRACE_USES_MALLOC 1)
+		SET(BACKTRACE_ELF_SIZE unused)
+		SET(BACKTRACE_XCOFF_SIZE unused)
+		SET(HAVE_ATOMIC_FUNCTIONS 1)
+		SET(HAVE_CLOCK_GETTIME 1)
+		SET(HAVE_DECL_STRNLEN 1)
+		SET(HAVE_DLFCN_H 0)
+		SET(HAVE_DL_ITERATE_PHDR 0)
+		SET(HAVE_FCNTL 0)
+		SET(HAVE_GETEXECNAME 0)
+		SET(HAVE_GETIPINFO 1)
+		SET(HAVE_INTTYPES_H 1)
+		SET(HAVE_LINK_H 0)
+		SET(HAVE_LOADQUERY 0)
+		SET(HAVE_LSTAT 0)
+		SET(HAVE_MEMORY_H 1)
+		SET(HAVE_READLINK 0)
+		SET(HAVE_STDINT_H 1)
+		SET(HAVE_STDLIB_H 1)
+		SET(HAVE_STRINGS_H 1)
+		SET(HAVE_STRING_H 1)
+		SET(HAVE_SYNC_FUNCTIONS 1)
+		SET(HAVE_SYS_LDR_H 0)
+		SET(HAVE_SYS_MMAN_H 0)
+		SET(HAVE_SYS_STAT_H 1)
+		SET(HAVE_SYS_TYPES_H 1)
+		SET(HAVE_UNISTD_H 1)
+	else()
+		set(BACKTRACE_SUPPORTED 0)
+	endif()
+else()
+	set(BACKTRACE_SUPPORTED 0)
+endif()
+
+# Generate backtrace-supported.h and config.h
+configure_file(
+	${CMAKE_CURRENT_SOURCE_DIR}/backtrace-supported.h.cmake
+	${CMAKE_CURRENT_BINARY_DIR}/backtrace-supported.h
+)
+configure_file(
+	${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake
+	${CMAKE_CURRENT_BINARY_DIR}/config.h
+)
+
+#install libbacktrace and header files
+set(INSTALL_LIB_DIR lib/libbacktrace)
+set(INSTALL_INCLUDE_DIR include/libbacktrace)
+set(INSTALL_CMAKE_DIR CMake)
+
+# Install CMake files
+install(TARGETS ${PROJECT_NAME}
+	DESTINATION ${INSTALL_LIB_DIR}
+	EXPORT lib${PROJECT_NAME}-targets
+)
+install(EXPORT lib${PROJECT_NAME}-targets DESTINATION ${INSTALL_CMAKE_DIR})
+install(FILES
+	${CMAKE_SOURCE_DIR}/cmake/lib${PROJECT_NAME}Config.cmake
+	${CMAKE_SOURCE_DIR}/cmake/lib${PROJECT_NAME}ConfigVersion.cmake
+	DESTINATION ${INSTALL_CMAKE_DIR}
+)
+
+install(TARGETS ${PROJECT_NAME} DESTINATION "${INSTALL_LIB_DIR}")
+install(FILES ${export_headers} DESTINATION "${INSTALL_INCLUDE_DIR}")

backtrace-supported.h.cmake

@@ -0,0 +1,51 @@
+/* backtrace-supported.h.cmake -- Whether stack backtrace is supported.
+   Copyright (C) 2012-2016 Free Software Foundation, Inc.
+   Based backtrace-supported.h.in, written by Ian Lance Taylor, Google.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+    (1) Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    (2) Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in
+    the documentation and/or other materials provided with the
+    distribution.
+    (3) The name of the author may not be used to
+    endorse or promote products derived from this software without
+    specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.  */
+/* The file backtrace-supported.h.in is used by configure to generate
+   the file backtrace-supported.h.  The file backtrace-supported.h may
+   be #include'd to see whether the backtrace library will be able to
+   get a backtrace and produce symbolic information.  */
+/* BACKTRACE_SUPPORTED will be #define'd as 1 if the backtrace library
+   should work, 0 if it will not.  Libraries may #include this to make
+   other arrangements.  */
+#cmakedefine01 BACKTRACE_SUPPORTED
+/* BACKTRACE_USES_MALLOC will be #define'd as 1 if the backtrace
+   library will call malloc as it works, 0 if it will call mmap
+   instead.  This may be used to determine whether it is safe to call
+   the backtrace functions from a signal handler.  In general this
+   only applies to calls like backtrace and backtrace_pcinfo.  It does
+   not apply to backtrace_simple, which never calls malloc.  It does
+   not apply to backtrace_print, which always calls fprintf and
+   therefore malloc.  */
+#cmakedefine01 BACKTRACE_USES_MALLOC
+/* BACKTRACE_SUPPORTS_THREADS will be #define'd as 1 if the backtrace
+   library is configured with threading support, 0 if not.  If this is
+   0, the threaded parameter to backtrace_create_state must be passed
+   as 0.  */
+#cmakedefine01 BACKTRACE_SUPPORTS_THREADS
+/* BACKTRACE_SUPPORTS_DATA will be #defined'd as 1 if the backtrace_syminfo
+   will work for variables.  It will always work for functions.  */
+#cmakedefine01 BACKTRACE_SUPPORTS_DATA

cmake/libbacktraceConfig.cmake

@@ -0,0 +1,14 @@
+# Usage:
+#
+#find_package(libbacktrace REQUIRED)
+#include_directories(${libbacktrace_INCLUDE_DIRS})
+#target_link_libraries(app libbacktrace)
+
+if(libbacktrace_CONFIG_INCLUDED)
+  return()
+endif()
+set(libbacktrace_CONFIG_INCLUDED TRUE)
+
+get_filename_component(SELF_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+include(${SELF_DIR}/libbacktrace-targets.cmake)
+get_filename_component(libbacktrace_INCLUDE_DIRS "${SELF_DIR}/.." ABSOLUTE)

cmake/libbacktraceConfigVersion.cmake

@@ -0,0 +1,21 @@
+set(PACKAGE_VERSION "1.0.0")
+
+if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
+  set(PACKAGE_VERSION_COMPATIBLE FALSE)
+else()
+  if(PACKAGE_VERSION MATCHES "^([0-9]+)\\.")
+    set(CVF_VERSION_MAJOR "${CMAKE_MATCH_1}")
+  else()
+    set(CVF_VERSION_MAJOR PACKAGE_VERSION)
+  endif()
+
+  if(PACKAGE_FIND_VERSION_MAJOR STREQUAL CVF_VERSION_MAJOR)
+    set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  else()
+    set(PACKAGE_VERSION_COMPATIBLE FALSE)
+  endif()
+
+  if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
+      set(PACKAGE_VERSION_EXACT TRUE)
+  endif()
+endif()

config.h.cmake

@@ -0,0 +1,58 @@
+/* config.h.cmake */
+/* ELF size: 32 or 64 */
+#cmakedefine BACKTRACE_ELF_SIZE
+/* XCOFF size: 32 or 64 */
+#cmakedefine BACKTRACE_XCOFF_SIZE
+/* Define to 1 if you have the __atomic functions */
+#cmakedefine HAVE_ATOMIC_FUNCTIONS 1
+/* Define to 1 if you have the `clock_gettime' function. */
+#cmakedefine HAVE_CLOCK_GETTIME 1
+/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
+   don't. */
+#cmakedefine HAVE_DECL_STRNLEN 1
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#cmakedefine HAVE_DLFCN_H 1
+/* Define if dl_iterate_phdr is available. */
+#cmakedefine HAVE_DL_ITERATE_PHDR 1
+/* Define to 1 if you have the fcntl function */
+#cmakedefine HAVE_FCNTL 1
+/* Define if getexecname is available. */
+#cmakedefine HAVE_GETEXECNAME 1
+/* Define if _Unwind_GetIPInfo is available. */
+#cmakedefine HAVE_GETIPINFO 1
+/* Define to 1 if you have the <inttypes.h> header file. */
+#cmakedefine HAVE_INTTYPES_H 1
+/* Define to 1 if you have the `z' library (-lz). */
+#cmakedefine HAVE_LIBZ 1
+/* Define to 1 if you have the <link.h> header file. */
+#cmakedefine HAVE_LINK_H 1
+/* Define if AIX loadquery is available. */
+#cmakedefine HAVE_LOADQUERY 1
+/* Define to 1 if you have the `lstat' function. */
+#cmakedefine HAVE_LSTAT 1
+/* Define to 1 if you have the <memory.h> header file. */
+#cmakedefine HAVE_MEMORY_H 1
+/* Define to 1 if you have the `readlink' function. */
+#cmakedefine HAVE_READLINK 1
+/* Define to 1 if you have the <stdint.h> header file. */
+#cmakedefine HAVE_STDINT_H 1
+/* Define to 1 if you have the <stdlib.h> header file. */
+#cmakedefine HAVE_STDLIB_H 1
+/* Define to 1 if you have the <strings.h> header file. */
+#cmakedefine HAVE_STRINGS_H 1
+/* Define to 1 if you have the <string.h> header file. */
+#cmakedefine HAVE_STRING_H 1
+/* Define to 1 if you have the __sync functions */
+#cmakedefine HAVE_SYNC_FUNCTIONS 1
+/* Define to 1 if you have the <sys/ldr.h> header file. */
+#cmakedefine HAVE_SYS_LDR_H 1
+/* Define to 1 if you have the <sys/mman.h> header file. */
+#cmakedefine HAVE_SYS_MMAN_H 1
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#cmakedefine HAVE_SYS_STAT_H 1
+/* Define to 1 if you have the <sys/types.h> header file. */
+#cmakedefine HAVE_SYS_TYPES_H 1
+/* Define to 1 if you have the <unistd.h> header file. */
+#cmakedefine HAVE_UNISTD_H 1
+/* Define if -lz is available. */
+#cmakedefine HAVE_ZLIB 1