Add cmake configuration files

.gitignore

@@ -92,7 +92,7 @@ DocProject/Help/Html2
 DocProject/Help/html
 
 # Cmake, make and compiled objects on unix
-*.cmake
+#*.cmake
 *.c.o
 */CMakeFiles/*
 */Makefile

cmake/CMakeDefaults.cmake

@@ -0,0 +1,51 @@
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+#                                    #####        # #    #                #
+#        ####  #####  ###### #    # #     #       # #   #                 #
+#       #    # #    # #      ##   # #             # #  #                  #
+#       #    # #    # #####  # #  # #  ####       # ###                   #
+#       #    # #####  #      #  # # #     # #     # #  #                  #
+#       #    # #      #      #   ## #     # #     # #   #                 #
+#        ####  #      ###### #    #  #####   #####  #    #                #
+#                                                                         #
+#   This file is part of openGJK.                                         #
+#                                                                         #
+#   openGJK is free software: you can redistribute it and/or modify       #
+#    it under the terms of the GNU General Public License as published by #
+#    the Free Software Foundation, either version 3 of the License, or    #
+#    any later version.                                                   #
+#                                                                         #
+#    openGJK is distributed in the hope that it will be useful,           #
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of       #
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See The        #
+#    GNU General Public License for more details.                         #
+#                                                                         #
+#   You should have received a copy of the GNU General Public License     #
+#    along with Foobar.  If not, see <https://www.gnu.org/licenses/>.     #
+#                                                                         #
+#        openGJK: open-source Gilbert-Johnson-Keerthi algorithm           #
+#             Copyright (C) Mattia Montanari 2018 - 2019                  #
+#               http://iel.eng.ox.ac.uk/?page_id=504                      #
+#                                                                         #
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+
+# Include srcdir and builddir in include path to save typing ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY} in every subdir
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+# Put the include dirs which are in the source or build tree
+# before all other include dirs, so the headers in the sources
+# are prefered over the already installed ones
+# since cmake 2.4.1
+set(CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE ON)
+
+# Use colored output
+set(CMAKE_COLOR_MAKEFILE ON)
+
+# Create the compile command database for clang by default
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# Always build with -fPIC
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+# Avoid source tree pollution
+set(CMAKE_DISABLE_SOURCE_CHANGES ON)
+set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)

cmake/CMakeProjectOptions.cmake

@@ -0,0 +1,44 @@
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+#                                    #####        # #    #                #
+#        ####  #####  ###### #    # #     #       # #   #                 #
+#       #    # #    # #      ##   # #             # #  #                  #
+#       #    # #    # #####  # #  # #  ####       # ###                   #
+#       #    # #####  #      #  # # #     # #     # #  #                  #
+#       #    # #      #      #   ## #     # #     # #   #                 #
+#        ####  #      ###### #    #  #####   #####  #    #                #
+#                                                                         #
+#   This file is part of openGJK.                                         #
+#                                                                         #
+#   openGJK is free software: you can redistribute it and/or modify       #
+#    it under the terms of the GNU General Public License as published by #
+#    the Free Software Foundation, either version 3 of the License, or    #
+#    any later version.                                                   #
+#                                                                         #
+#   openGJK is distributed in the hope that it will be useful,            #
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of       #
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See The        #
+#    GNU General Public License for more details.                         #
+#                                                                         #
+#   You should have received a copy of the GNU General Public License     #
+#    along with Foobar.  If not, see <https://www.gnu.org/licenses/>.     #
+#                                                                         #
+#        openGJK: open-source Gilbert-Johnson-Keerthi algorithm           #
+#             Copyright (C) Mattia Montanari 2018 - 2020                  #
+#               http://iel.eng.ox.ac.uk/?page_id=504                      #
+#                                                                         #
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+
+option(WITH_STATIC_LIB   "Build static lib"   OFF)
+option(WITH_EXAMPLES 	 "Build C example" 	  ON)
+
+# Default build type
+set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Release")
+
+# APPLY USER OPTIONS
+IF (WITH_STATIC_LIB)
+    set(BUILD_STATIC_LIB ON)
+ENDIF (WITH_STATIC_LIB)
+
+# FEEDBACK
+message(STATUS "  Build static lib (ON): " ${WITH_STATIC_LIB})
+message(STATUS "  Build C examples (ON): " ${WITH_EXAMPLES})

cmake/CompilerChecks.cmake

@@ -0,0 +1,109 @@
+include(AddCCompilerFlag)
+include(CheckCCompilerFlagSSP)
+
+if (UNIX)
+    #
+    # Check for -Werror turned on if possible
+    #
+    # This will prevent that compiler flags are detected incorrectly.
+    #
+    check_c_compiler_flag("-Werror" REQUIRED_FLAGS_WERROR)
+    if (REQUIRED_FLAGS_WERROR)
+        set(CMAKE_REQUIRED_FLAGS "-Werror")
+
+        if (PICKY_DEVELOPER)
+            list(APPEND SUPPORTED_COMPILER_FLAGS "-Werror")
+        endif()
+    endif()
+
+    add_c_compiler_flag("-std=gnu99" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wpedantic" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wall" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wshadow" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wmissing-prototypes" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wcast-align" SUPPORTED_COMPILER_FLAGS)
+    #add_c_compiler_flag("-Wcast-qual" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=address" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wstrict-prototypes" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=strict-prototypes" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wwrite-strings" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=write-strings" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror-implicit-function-declaration" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wpointer-arith" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=pointer-arith" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wdeclaration-after-statement" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=declaration-after-statement" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wreturn-type" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=return-type" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wuninitialized" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=uninitialized" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wimplicit-fallthrough" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=strict-overflow" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wstrict-overflow=2" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wno-format-zero-length" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wmissing-field-initializers" SUPPORTED_COMPILER_FLAGS)
+
+    check_c_compiler_flag("-Wformat" REQUIRED_FLAGS_WFORMAT)
+    if (REQUIRED_FLAGS_WFORMAT)
+        list(APPEND SUPPORTED_COMPILER_FLAGS "-Wformat")
+        set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Wformat")
+    endif()
+    add_c_compiler_flag("-Wformat-security" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=format-security" SUPPORTED_COMPILER_FLAGS)
+
+    # Allow zero for a variadic macro argument
+    string(TOLOWER "${CMAKE_C_COMPILER_ID}" _C_COMPILER_ID)
+    if ("${_C_COMPILER_ID}" STREQUAL "clang")
+        add_c_compiler_flag("-Wno-gnu-zero-variadic-macro-arguments" SUPPORTED_COMPILER_FLAGS)
+    endif()
+
+    add_c_compiler_flag("-fno-common" SUPPORTED_COMPILER_FLAGS)
+
+    if (CMAKE_BUILD_TYPE)
+        string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
+        if (CMAKE_BUILD_TYPE_LOWER MATCHES (release|relwithdebinfo|minsizerel))
+            add_c_compiler_flag("-Wp,-D_FORTIFY_SOURCE=2" SUPPORTED_COMPILER_FLAGS)
+        endif()
+    endif()
+
+    check_c_compiler_flag_ssp("-fstack-protector-strong" WITH_STACK_PROTECTOR_STRONG)
+    if (WITH_STACK_PROTECTOR_STRONG)
+        list(APPEND SUPPORTED_COMPILER_FLAGS "-fstack-protector-strong")
+        # This is needed as Solaris has a seperate libssp
+        if (SOLARIS)
+            list(APPEND SUPPORTED_LINKER_FLAGS "-fstack-protector-strong")
+        endif()
+    else (WITH_STACK_PROTECTOR_STRONG)
+        check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR)
+        if (WITH_STACK_PROTECTOR)
+            list(APPEND SUPPORTED_COMPILER_FLAGS "-fstack-protector")
+            # This is needed as Solaris has a seperate libssp
+            if (SOLARIS)
+                list(APPEND SUPPORTED_LINKER_FLAGS "-fstack-protector")
+            endif()
+        endif()
+    endif (WITH_STACK_PROTECTOR_STRONG)
+
+    check_c_compiler_flag_ssp("-fstack-clash-protection" WITH_STACK_CLASH_PROTECTION)
+    if (WITH_STACK_CLASH_PROTECTION)
+        list(APPEND SUPPORTED_COMPILER_FLAGS "-fstack-clash-protection")
+    endif()
+
+    if (PICKY_DEVELOPER)
+        add_c_compiler_flag("-Wno-error=deprecated-declarations" SUPPORTED_COMPILER_FLAGS)
+        add_c_compiler_flag("-Wno-error=tautological-compare" SUPPORTED_COMPILER_FLAGS)
+    endif()
+
+    # Unset CMAKE_REQUIRED_FLAGS
+    unset(CMAKE_REQUIRED_FLAGS)
+endif()
+
+if (MSVC)
+    add_c_compiler_flag("/D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES=1" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("/D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES_COUNT=1" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("/D _CRT_NONSTDC_NO_WARNINGS=1" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("/D _CRT_SECURE_NO_WARNINGS=1" SUPPORTED_COMPILER_FLAGS)
+endif()
+
+set(DEFAULT_C_COMPILE_FLAGS ${SUPPORTED_COMPILER_FLAGS} CACHE INTERNAL "Default C Compiler Flags" FORCE)
+set(DEFAULT_LINK_FLAGS ${SUPPORTED_LINKER_FLAGS} CACHE INTERNAL "Default C Linker Flags" FORCE)

cmake/CompilerFlags.cmake

@@ -0,0 +1,103 @@
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+#                                    #####        # #    #                #
+#        ####  #####  ###### #    # #     #       # #   #                 #
+#       #    # #    # #      ##   # #             # #  #                  #
+#       #    # #    # #####  # #  # #  ####       # ###                   #
+#       #    # #####  #      #  # # #     # #     # #  #                  #
+#       #    # #      #      #   ## #     # #     # #   #                 #
+#        ####  #      ###### #    #  #####   #####  #    #                #
+#                                                                         #
+#   This file is part of openGJK.                                         #
+#                                                                         #
+#   openGJK is free software: you can redistribute it and/or modify       #
+#    it under the terms of the GNU General Public License as published by #
+#    the Free Software Foundation, either version 3 of the License, or    #
+#    any later version.                                                   #
+#                                                                         #
+#    openGJK is distributed in the hope that it will be useful,           #
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of       #
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See The        #
+#    GNU General Public License for more details.                         #
+#                                                                         #
+#   You should have received a copy of the GNU General Public License     #
+#    along with openGJK. If not, see <https://www.gnu.org/licenses/>.     #
+#                                                                         #
+#        openGJK: open-source Gilbert-Johnson-Keerthi algorithm           #
+#             Copyright (C) Mattia Montanari 2018 - 2019                  #
+#               http://iel.eng.ox.ac.uk/?page_id=504                      #
+#                                                                         #
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+
+
+# PLATFORM-SPECIFIC SETTING
+if (UNIX)
+    find_library(M_LIB m)
+    set(CMAKE_C_FLAGS "-lm")
+else ()
+    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif ()
+
+if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
+  # using GCC
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wextra  -Werror")
+
+  add_compile_options(-static-libgcc -static-libstdc++ )
+  add_definitions(-DMT)
+
+elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC")
+  
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4131 /wd4701 /wd4255 /wd4710  /wd4820 /wd4711 /wd5045")
+  set(CMAKE_C_FLAGS_DEBUG "-DDEBUG /D_DEBUG /MDd /Zi  /Ob0 /Od /RTC1")
+  set(CMAKE_C_FLAGS_RELEASE "/Ox")
+
+  set(CMAKE_SUPPRESS_REGENERATION true)
+
+endif()
+
+if (UNIX AND NOT WIN32)
+
+    # Activate with: -DCMAKE_BUILD_TYPE=Debug
+    set(CMAKE_C_FLAGS_DEBUG "-g -DDEBUG -Wall -Wextra  -Werror" 
+        CACHE STRING "Flags used by the C compiler during DEBUG builds.")
+
+    # Activate with: -DCMAKE_BUILD_TYPE=Release
+    set(CMAKE_C_FLAGS_RELEASE "-O3 -Wall -finline-functions -Wextra  -Werror"
+        CACHE STRING "Flags used by the C compiler during RELEASE builds.")
+
+    # Activate with: -DCMAKE_BUILD_TYPE=Profiling
+    set(CMAKE_C_FLAGS_PROFILING "-O0 -g -fprofile-arcs -ftest-coverage"
+        CACHE STRING "Flags used by the C compiler during PROFILING builds.")
+    set(CMAKE_CXX_FLAGS_PROFILING "-O0 -g -fprofile-arcs -ftest-coverage"
+        CACHE STRING "Flags used by the CXX compiler during PROFILING builds.")
+    set(CMAKE_SHARED_LINKER_FLAGS_PROFILING "-fprofile-arcs -ftest-coverage"
+        CACHE STRING "Flags used by the linker during the creation of shared libraries during PROFILING builds.")
+    set(CMAKE_MODULE_LINKER_FLAGS_PROFILING "-fprofile-arcs -ftest-coverage"
+        CACHE STRING "Flags used by the linker during the creation of shared libraries during PROFILING builds.")
+    set(CMAKE_EXEC_LINKER_FLAGS_PROFILING "-fprofile-arcs -ftest-coverage"
+        CACHE STRING "Flags used by the linker during PROFILING builds.")
+
+    # Activate with: -DCMAKE_BUILD_TYPE=AddressSanitizer
+    set(CMAKE_C_FLAGS_ADDRESSSANITIZER "-g -O1 -fsanitize=address -fno-omit-frame-pointer"
+        CACHE STRING "Flags used by the C compiler during ADDRESSSANITIZER builds.")
+    set(CMAKE_CXX_FLAGS_ADDRESSSANITIZER "-g -O1 -fsanitize=address -fno-omit-frame-pointer"
+        CACHE STRING "Flags used by the CXX compiler during ADDRESSSANITIZER builds.")
+    set(CMAKE_SHARED_LINKER_FLAGS_ADDRESSSANITIZER "-fsanitize=address"
+        CACHE STRING "Flags used by the linker during the creation of shared libraries during ADDRESSSANITIZER builds.")
+    set(CMAKE_MODULE_LINKER_FLAGS_ADDRESSSANITIZER "-fsanitize=address"
+        CACHE STRING "Flags used by the linker during the creation of shared libraries during ADDRESSSANITIZER builds.")
+    set(CMAKE_EXEC_LINKER_FLAGS_ADDRESSSANITIZER "-fsanitize=address"
+        CACHE STRING "Flags used by the linker during ADDRESSSANITIZER builds.")
+
+    # Activate with: -DCMAKE_BUILD_TYPE=MemorySanitizer
+    set(CMAKE_C_FLAGS_MEMORYSANITIZER "-g -O2 -fsanitize=memory -fsanitize-memory-track-origins=2 -fno-omit-frame-pointer"
+        CACHE STRING "Flags used by the C compiler during MEMORYSANITIZER builds.")
+    set(CMAKE_CXX_FLAGS_MEMORYSANITIZER "-g -O2 -fsanitize=memory -fsanitize-memory-track-origins=2 -fno-omit-frame-pointer"
+        CACHE STRING "Flags used by the CXX compiler during MEMORYSANITIZER builds.")
+    set(CMAKE_SHARED_LINKER_FLAGS_MEMORYSANITIZER "-fsanitize=memory"
+        CACHE STRING "Flags used by the linker during the creation of shared libraries during MEMORYSANITIZER builds.")
+    set(CMAKE_MODULE_LINKER_FLAGS_MEMORYSANITIZER "-fsanitize=memory"
+        CACHE STRING "Flags used by the linker during the creation of shared libraries during MEMORYSANITIZER builds.")
+    set(CMAKE_EXEC_LINKER_FLAGS_MEMORYSANITIZER "-fsanitize=memory"
+        CACHE STRING "Flags used by the linker during MEMORYSANITIZER builds.")
+
+endif()

cmake/ConfigureChecks.cmake

@@ -0,0 +1,149 @@
+include(CheckIncludeFile)
+include(CheckSymbolExists)
+include(CheckFunctionExists)
+include(CheckLibraryExists)
+include(CheckTypeSize)
+include(CheckCXXSourceCompiles)
+include(CheckStructHasMember)
+include(TestBigEndian)
+
+set(PACKAGE ${PROJECT_NAME})
+set(VERSION ${PROJECT_VERSION})
+set(DATADIR ${DATA_INSTALL_DIR})
+set(LIBDIR ${CMAKE_INSTALL_LIBDIR})
+set(PLUGINDIR "${PLUGIN_INSTALL_DIR}-${LIBRARY_SOVERSION}")
+set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
+
+set(BINARYDIR ${CMAKE_BINARY_DIR})
+set(SOURCEDIR ${CMAKE_SOURCE_DIR})
+
+function(COMPILER_DUMPVERSION _OUTPUT_VERSION)
+    # Remove whitespaces from the argument.
+    # This is needed for CC="ccache gcc" cmake ..
+    string(REPLACE " " "" _C_COMPILER_ARG "${CMAKE_C_COMPILER_ARG1}")
+
+    execute_process(
+        COMMAND
+            ${CMAKE_C_COMPILER} ${_C_COMPILER_ARG} -dumpversion
+        OUTPUT_VARIABLE _COMPILER_VERSION
+    )
+
+    string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
+        _COMPILER_VERSION ${_COMPILER_VERSION})
+
+    set(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
+endfunction()
+
+if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW)
+    compiler_dumpversion(GNUCC_VERSION)
+    if (NOT GNUCC_VERSION EQUAL 34)
+        check_c_compiler_flag("-fvisibility=hidden" WITH_VISIBILITY_HIDDEN)
+    endif (NOT GNUCC_VERSION EQUAL 34)
+endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW)
+
+# DEFINITIONS
+if (SOLARIS)
+    add_definitions(-D__EXTENSIONS__)
+endif (SOLARIS)
+
+# HEADER FILES
+check_include_file(assert.h HAVE_ASSERT_H)
+check_include_file(inttypes.h HAVE_INTTYPES_H)
+check_include_file(io.h HAVE_IO_H)
+check_include_file(malloc.h HAVE_MALLOC_H)
+check_include_file(memory.h HAVE_MEMORY_H)
+check_include_file(setjmp.h HAVE_SETJMP_H)
+check_include_file(signal.h HAVE_SIGNAL_H)
+check_include_file(stdarg.h HAVE_STDARG_H)
+check_include_file(stddef.h HAVE_STDDEF_H)
+check_include_file(stdint.h HAVE_STDINT_H)
+check_include_file(stdio.h HAVE_STDIO_H)
+check_include_file(stdlib.h HAVE_STDLIB_H)
+check_include_file(string.h HAVE_STRING_H)
+check_include_file(strings.h HAVE_STRINGS_H)
+check_include_file(sys/stat.h HAVE_SYS_STAT_H)
+check_include_file(sys/types.h HAVE_SYS_TYPES_H)
+check_include_file(time.h HAVE_TIME_H)
+check_include_file(unistd.h HAVE_UNISTD_H)
+
+if (HAVE_TIME_H)
+    check_struct_has_member("struct timespec" tv_sec "time.h" HAVE_STRUCT_TIMESPEC)
+endif (HAVE_TIME_H)
+
+# FUNCTIONS
+check_function_exists(calloc HAVE_CALLOC)
+check_function_exists(exit HAVE_EXIT)
+check_function_exists(fprintf HAVE_FPRINTF)
+check_function_exists(free HAVE_FREE)
+check_function_exists(longjmp HAVE_LONGJMP)
+check_function_exists(siglongjmp HAVE_SIGLONGJMP)
+check_function_exists(malloc HAVE_MALLOC)
+check_function_exists(memcpy HAVE_MEMCPY)
+check_function_exists(memset HAVE_MEMSET)
+check_function_exists(printf HAVE_PRINTF)
+check_function_exists(setjmp HAVE_SETJMP)
+check_function_exists(signal HAVE_SIGNAL)
+check_function_exists(strsignal HAVE_STRSIGNAL)
+check_function_exists(strcmp HAVE_STRCMP)
+check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
+
+if (WIN32)
+    check_function_exists(_vsnprintf_s HAVE__VSNPRINTF_S)
+    check_function_exists(_vsnprintf HAVE__VSNPRINTF)
+    check_function_exists(_snprintf HAVE__SNPRINTF)
+    check_function_exists(_snprintf_s HAVE__SNPRINTF_S)
+    check_symbol_exists(snprintf stdio.h HAVE_SNPRINTF)
+    check_symbol_exists(vsnprintf stdio.h HAVE_VSNPRINTF)
+else (WIN32)
+    check_function_exists(sprintf HAVE_SNPRINTF)
+    check_function_exists(vsnprintf HAVE_VSNPRINTF)
+endif (WIN32)
+
+find_library(RT_LIBRARY rt)
+if (RT_LIBRARY AND NOT LINUX AND NOT ANDROID)
+    set(CMOCKA_REQUIRED_LIBRARIES ${RT_LIBRARY} CACHE INTERNAL "cmocka required system libraries")
+endif ()
+
+# OPTIONS
+check_c_source_compiles("
+__thread int tls;
+
+int main(void) {
+    return 0;
+}" HAVE_GCC_THREAD_LOCAL_STORAGE)
+
+if (WIN32)
+check_c_source_compiles("
+__declspec(thread) int tls;
+
+int main(void) {
+    return 0;
+}" HAVE_MSVC_THREAD_LOCAL_STORAGE)
+endif(WIN32)
+
+if (HAVE_TIME_H AND HAVE_STRUCT_TIMESPEC AND HAVE_CLOCK_GETTIME)
+    if (RT_LIBRARY)
+        set(CMAKE_REQUIRED_LIBRARIES ${RT_LIBRARY})
+    endif()
+
+    check_c_source_compiles("
+#include <time.h>
+
+int main(void) {
+    struct timespec ts;
+
+    clock_gettime(CLOCK_REALTIME, &ts);
+
+    return 0;
+}" HAVE_CLOCK_REALTIME)
+
+    # reset cmake requirements
+    set(CMAKE_REQUIRED_INCLUDES)
+    set(CMAKE_REQUIRED_LIBRARIES)
+endif ()
+
+# ENDIAN
+if (NOT WIN32)
+    set(WORDS_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
+    test_big_endian(WORDS_BIGENDIAN)
+endif (NOT WIN32)

cmake/PlatformDefaults.cmake

@@ -0,0 +1,21 @@
+# Set system vars
+
+if (CMAKE_SYSTEM_NAME MATCHES "Linux")
+    set(LINUX TRUE)
+endif(CMAKE_SYSTEM_NAME MATCHES "Linux")
+
+if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+    set(FREEBSD TRUE)
+endif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+
+if (CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
+    set(OPENBSD TRUE)
+endif (CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
+
+if (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
+    set(NETBSD TRUE)
+endif (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
+
+if (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
+    set(SOLARIS TRUE)
+endif (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")