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authorB Stack <bgstack15@gmail.com>2019-10-17 15:59:39 -0400
committerB Stack <bgstack15@gmail.com>2019-10-17 15:59:39 -0400
commit5b604dd360ffc162f163962ccb2b1af109a5f93f (patch)
tree65292208a81994782e1c16dd84dfcdcc221d0cd7 /zen/build_info.h
parentMerge branch '10.16' into 'master' (diff)
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add upstream 10.17
Diffstat (limited to 'zen/build_info.h')
-rw-r--r--zen/build_info.h22
1 files changed, 13 insertions, 9 deletions
diff --git a/zen/build_info.h b/zen/build_info.h
index e80f3721..01f1aeb8 100644
--- a/zen/build_info.h
+++ b/zen/build_info.h
@@ -7,20 +7,24 @@
#ifndef BUILD_INFO_H_5928539285603428657
#define BUILD_INFO_H_5928539285603428657
-//determine build info: defines ZEN_BUILD_32BIT or ZEN_BUILD_64BIT
+ #include <bit> //std::endian
+
+#define ZEN_ARCH_32BIT 32
+#define ZEN_ARCH_64BIT 64
#ifdef __LP64__
- #define ZEN_BUILD_64BIT
+ #define ZEN_BUILD_ARCH ZEN_ARCH_64BIT
#else
- #define ZEN_BUILD_32BIT
+ #define ZEN_BUILD_ARCH ZEN_ARCH_32BIT
#endif
-#ifdef ZEN_BUILD_32BIT
- static_assert(sizeof(void*) == 4);
-#endif
+static_assert(ZEN_BUILD_ARCH == sizeof(void*) * 8);
+
+//--------------------------------------------------------------------
-#ifdef ZEN_BUILD_64BIT
- static_assert(sizeof(void*) == 8);
-#endif
+constexpr bool usingLittleEndian()
+{
+ return std::endian::native == std::endian::little;
+}
#endif //BUILD_INFO_H_5928539285603428657
bgstack15