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build_config.hpp - smarter defaults, UAVCAN_GENERAL_PURPOSE_PLATFORM macro

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This commit is contained in:
Pavel Kirienko
2015-04-26 08:32:24 +03:00
parent de8fa4f299
commit 8bb700d528
1 changed files with 23 additions and 14 deletions
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libuavcan/include/uavcan/build_config.hpp
+23 -14
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@@ -30,7 +30,7 @@
#ifndef UAVCAN_CPP_VERSION
# if __cplusplus > 201200
# error Unsupported C++ standard
# error Unsupported C++ standard. You can explicitly set UAVCAN_CPP_VERSION=UAVCAN_CPP11 to silence this error.
# elif (__cplusplus > 201100) || defined(__GXX_EXPERIMENTAL_CXX0X__)
# define UAVCAN_CPP_VERSION UAVCAN_CPP11
# else
@@ -38,6 +38,17 @@
# endif
#endif
/**
* By default, libuavcan enables all features if it detects that it is being built for a general-purpose
* target like Linux. Value of this macro influences other configuration options located below in this file.
* This macro can be overriden if needed.
*/
#ifndef UAVCAN_GENERAL_PURPOSE_PLATFORM
# define UAVCAN_GENERAL_PURPOSE_PLATFORM (defined(__linux__) || defined(__linux) || defined(__APPLE__) ||\
defined(_WIN64) || defined(_WIN32) || defined(__ANDROID__) ||\
defined(_SYSTYPE_BSD) || defined(__FreeBSD__))
#endif
/**
* This macro enables built-in runtime checks and debug output via printf().
* Should be used only for library development.
@@ -47,16 +58,12 @@
#endif
/**
* UAVCAN can be explicitly told to ignore exceptions, or it can be detected automatically.
* Autodetection is not expected to work with all compilers, so it's safer to define it explicitly.
* If the autodetection fails, exceptions will be disabled by default.
* This option allows to select whether libuavcan should throw exceptions on fatal errors, or try to handle
* errors differently. By default, exceptions will be enabled only if the library is built for a general-purpose
* OS like Linux. Set UAVCAN_EXCEPTIONS explicitly to override.
*/
#ifndef UAVCAN_EXCEPTIONS
# if defined(__EXCEPTIONS) || defined(_HAS_EXCEPTIONS)
# define UAVCAN_EXCEPTIONS 1
# else
# define UAVCAN_EXCEPTIONS 0
# endif
# define UAVCAN_EXCEPTIONS UAVCAN_GENERAL_PURPOSE_PLATFORM
#endif
/**
@@ -109,19 +116,21 @@
#endif
/**
* It might make sense to remove toString() methods for an embedded system.
* If the autodetect fails, toString() will be disabled, so it's pretty safe by default.
* toString() methods will be disabled by default, unless the library is built for a general-purpose target like Linux.
* It is not recommended to enable toString() on embedded targets as code size will explode.
*/
#ifndef UAVCAN_TOSTRING
// Objective is to make sure that we're NOT on a resource constrained platform
# if defined(__linux__) || defined(__linux) || defined(__APPLE__) || defined(_WIN64) || defined(_WIN32)
# define UAVCAN_TOSTRING 1
# if UAVCAN_EXCEPTIONS
# define UAVCAN_TOSTRING UAVCAN_GENERAL_PURPOSE_PLATFORM
# else
# define UAVCAN_TOSTRING 0
# endif
#endif
#if UAVCAN_TOSTRING
# if !UAVCAN_EXCEPTIONS
# error UAVCAN_TOSTRING requires UAVCAN_EXCEPTIONS
# endif
# include <string>
#endif