Merge #13580: build: Detect if char equals int8_t

49d1f4cdd Detect if char equals int8_t (Chun Kuan Lee)

Pull request description:

  Probably fixes #13576. I'm not able to test this. @stacepellegrino, can you test this?

Tree-SHA512: b750e00e11e6b6f6341fec668ec2254cc101c8ebdd4878f320d6cb3b07cf326761146e4ceff0b6405b7e503ff64c093a8274bd524a097e2c49382dc296972c4f
This commit is contained in:
Wladimir J. van der Laan 2018-07-05 13:21:37 +02:00 committed by pasta
parent c79b6ce3d8
commit 06a1e20d8a
2 changed files with 12 additions and 0 deletions

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@ -845,6 +845,14 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
[ AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING(for if type char equals int8_t)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h>
#include <type_traits>]],
[[ static_assert(std::is_same<int8_t, char>::value, ""); ]])],
[ AC_MSG_RESULT(yes); AC_DEFINE(CHAR_EQUALS_INT8, 1,[Define this symbol if type char equals int8_t]) ],
[ AC_MSG_RESULT(no)]
)
# ensure backtrace() is found, check -lexecinfo if necessary
if test x$TARGET_OS != xwindows; then
AC_SEARCH_LIBS([backtrace], [execinfo], [], [

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@ -186,7 +186,9 @@ template<typename X> const X& ReadWriteAsHelper(const X& x) { return x; }
SerializationOp(s, CSerActionUnserialize()); \
}
#ifndef CHAR_EQUALS_INT8
template<typename Stream> inline void Serialize(Stream& s, char a ) { ser_writedata8(s, a); } // TODO Get rid of bare char
#endif
template<typename Stream> inline void Serialize(Stream& s, int8_t a ) { ser_writedata8(s, a); }
template<typename Stream> inline void Serialize(Stream& s, uint8_t a ) { ser_writedata8(s, a); }
template<typename Stream> inline void Serialize(Stream& s, int16_t a ) { ser_writedata16(s, a); }
@ -198,7 +200,9 @@ template<typename Stream> inline void Serialize(Stream& s, uint64_t a) { ser_wri
template<typename Stream> inline void Serialize(Stream& s, float a ) { ser_writedata32(s, ser_float_to_uint32(a)); }
template<typename Stream> inline void Serialize(Stream& s, double a ) { ser_writedata64(s, ser_double_to_uint64(a)); }
#ifndef CHAR_EQUALS_INT8
template<typename Stream> inline void Unserialize(Stream& s, char& a ) { a = ser_readdata8(s); } // TODO Get rid of bare char
#endif
template<typename Stream> inline void Unserialize(Stream& s, int8_t& a ) { a = ser_readdata8(s); }
template<typename Stream> inline void Unserialize(Stream& s, uint8_t& a ) { a = ser_readdata8(s); }
template<typename Stream> inline void Unserialize(Stream& s, int16_t& a ) { a = ser_readdata16(s); }