1 /* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
41  *     https://clang.llvm.org/docs/LanguageExtensions.html#has-attribute
43  * in some version (which version?); it has been picked up by GCC 5.0.
71  * Instead, we check whether the pre-defined macros for particular
72  * compilers are defined and, if not, define the "is this version XXX
73  * or a later version of this compiler" macros as 0.
77  * Check whether this is GCC major.minor or a later release, or some
78  * compiler that claims to be "just like GCC" of that version or a
84   #define PCAP_IS_AT_LEAST_GNUC_VERSION(major, minor) 0  argument
87   #define PCAP_IS_AT_LEAST_GNUC_VERSION(major, minor) \  argument
88 	(__GNUC__ > (major) || \
89 	 (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
93  * Check whether this is Clang major.minor or a later release.
98   #define PCAP_IS_AT_LEAST_CLANG_VERSION(major, minor) 0  argument
101   #define PCAP_IS_AT_LEAST_CLANG_VERSION(major, minor) \  argument
102 	(__clang_major__ > (major) || \
103 	 (__clang_major__ == (major) && __clang_minor__ >= (minor)))
107  * Check whether this is Sun C/SunPro C/Oracle Studio major.minor
110  * The version number in __SUNPRO_C is encoded in hex BCD, with the
111  * uppermost hex digit being the major version number, the next
112  * one or two hex digits being the minor version number, and
113  * the last digit being the patch version.
115  * It represents the *compiler* version, not the product version;
126   #define PCAP_IS_AT_LEAST_SUNC_VERSION(major,minor) 0  argument
129   #define PCAP_SUNPRO_VERSION_TO_BCD(major, minor) \  argument
131 	    (((major) << 12) | (((minor)/10) << 8) | (((minor)%10) << 4)) : \
132 	    (((major) << 8) | ((minor) << 4)))
133   #define PCAP_IS_AT_LEAST_SUNC_VERSION(major,minor) \  argument
134 	(__SUNPRO_C >= PCAP_SUNPRO_VERSION_TO_BCD((major), (minor)))
138  * Check whether this is IBM XL C major.minor or a later release.
140  * The version number in __xlC__ has the major version in the
141  * upper 8 bits and the minor version in the lower 8 bits.
149   #define PCAP_IS_AT_LEAST_XL_C_VERSION(major,minor) 0  argument
154      * Later Linux version of XL C; use __ibmxl_version__ to test
155      * the version.
157     #define PCAP_IS_AT_LEAST_XL_C_VERSION(major, minor) \  argument
158 	(__ibmxl_version__ > (major) || \
159 	 (__ibmxl_version__ == (major) && __ibmxl_release__ >= (minor)))
162      * __ibmxl__ not defined; use __xlC__ to test the version.
164     #define PCAP_IS_AT_LEAST_XL_C_VERSION(major, minor) \  argument
165 	(__xlC__ >= (((major) << 8) | (minor)))
170  * Check whether this is HP aC++/HP C major.minor or a later release.
172  * The version number in __HP_aCC is encoded in zero-padded decimal BCD,
174  * the major version number, the next two decimal digits being the minor
175  * version number, and the last two decimal digits being the patch version.
176  * (Strip off the A., remove the . between the major and minor version
182   #define PCAP_IS_AT_LEAST_HP_C_VERSION(major,minor) 0  argument
185   #define PCAP_IS_AT_LEAST_HP_C_VERSION(major,minor) \  argument
186 	(__HP_aCC >= ((major)*10000 + (minor)*100))