ObjFW  Diff

Differences From Artifact [713816fa59]:

To Artifact [574361ab39]:


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AC_C_BIGENDIAN([
	AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian])
])
AS_IF([test x"$ac_cv_c_bigendian" = x"universal"], [
	AC_DEFINE(OF_UNIVERSAL, 1, [Whether we are building a universal binary])
])

AC_MSG_CHECKING(for SIZE_MAX)
AC_EGREP_CPP(egrep_cpp_yes, [
	#include <stdint.h>
	#include <limits.h>

	#ifdef SIZE_MAX
	egrep_cpp_yes
	#endif
], [
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)
	AC_MSG_CHECKING(for SIZE_T_MAX)
	AC_EGREP_CPP(egrep_cpp_yes, [
		#include <stdint.h>
		#include <limits.h>

		#ifdef SIZE_T_MAX
		egrep_cpp_yes
		#endif
	], [
		AC_MSG_RESULT(yes)
		size_max="SIZE_T_MAX"
	], [
		AC_MSG_RESULT(no)
		size_max="(~(size_t)0)"
	])
	AC_DEFINE_UNQUOTED(SIZE_MAX, $size_max, [Maximum value for size_t])
])
AC_MSG_CHECKING(for SSIZE_MAX)
AC_EGREP_CPP(egrep_cpp_yes, [
	#include <stdint.h>
	#include <limits.h>

	#ifdef SSIZE_MAX
	egrep_cpp_yes
	#endif
], [
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)
	AC_DEFINE(SSIZE_MAX, [((ssize_t)(SIZE_MAX / 2))],
		[Maximum value for ssize_t])
])
AC_MSG_CHECKING(for UINTPTR_MAX)
AC_EGREP_CPP(egrep_cpp_yes, [
	#include <stdint.h>
	#include <limits.h>

	#ifdef UINTPTR_MAX
	egrep_cpp_yes
	#endif
], [
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)

	AC_DEFINE(UINTPTR_MAX, [(~(uintptr_t)0)], [Maximum value for uintptr_t])

])

AC_CHECK_HEADER(inttypes.h,
	[AC_DEFINE(OF_HAVE_INTTYPES_H, 1, [Whether we have inttypes.h])])

AC_CHECK_HEADER(sys/types.h,
	[AC_DEFINE(OF_HAVE_SYS_TYPES_H, 1, [Whether we have sys/types.h])])







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AC_C_BIGENDIAN([
	AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian])
])
AS_IF([test x"$ac_cv_c_bigendian" = x"universal"], [
	AC_DEFINE(OF_UNIVERSAL, 1, [Whether we are building a universal binary])
])






























AC_MSG_CHECKING(for SSIZE_MAX)
AC_EGREP_CPP(egrep_cpp_yes, [
	#include <stdint.h>
	#include <limits.h>

	#ifdef SSIZE_MAX
	egrep_cpp_yes
	#endif
], [
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)

	AC_DEFINE(SSIZE_MAX, [(SIZE_MAX / 2)], [Maximum value for ssize_t])
])
AC_MSG_CHECKING(for UINTPTR_MAX)
AC_EGREP_CPP(egrep_cpp_yes, [
	#include <stdint.h>
	#include <limits.h>

	#ifdef UINTPTR_MAX
	egrep_cpp_yes
	#endif
], [
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)
	AC_CHECK_SIZEOF(uintptr_t)
	AC_DEFINE(UINTPTR_MAX,
		[(SIZEOF_UINTPTR_T * CHAR_BIT)], [Maximum value for uintptr_t])
])

AC_CHECK_HEADER(inttypes.h,
	[AC_DEFINE(OF_HAVE_INTTYPES_H, 1, [Whether we have inttypes.h])])

AC_CHECK_HEADER(sys/types.h,
	[AC_DEFINE(OF_HAVE_SYS_TYPES_H, 1, [Whether we have sys/types.h])])
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	fp_endianess="universal"
])
AC_MSG_RESULT($fp_endianess)
AS_IF([test x"$fp_endianess" = x"unknown"], [
	AC_MSG_ERROR(
		[Floating point implementation does not conform to IEEE 754!])])

AC_MSG_CHECKING(for INFINITY)
AC_COMPILE_IFELSE([
	AC_LANG_PROGRAM([
		#include <stdio.h>
		#include <math.h>
	], [
		printf("%f", INFINITY);
	])
], [
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)

	AC_MSG_CHECKING(for __builtin_inf)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([
			#include <stdio.h>
		], [
			printf("%f", __builtin_inf());
		])
	], [
		AC_MSG_RESULT(yes)
		AC_DEFINE(INFINITY, [(__builtin_inf())],
			[Workaround for missing INFINITY])
	], [
		AC_MSG_RESULT(no)

		AC_MSG_ERROR([Neither INFINITY or __builtin_inf was found!])
	])
])

case "$host_cpu" in
	arm* | earm*)
		AC_MSG_CHECKING(for VFP2 or above)
		AC_COMPILE_IFELSE([
			AC_LANG_PROGRAM([], [
				#if !defined(__arm64__) && \
				    !defined(__aarch64__) && \







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	fp_endianess="universal"
])
AC_MSG_RESULT($fp_endianess)
AS_IF([test x"$fp_endianess" = x"unknown"], [
	AC_MSG_ERROR(
		[Floating point implementation does not conform to IEEE 754!])])
































case "$host_cpu" in
	arm* | earm*)
		AC_MSG_CHECKING(for VFP2 or above)
		AC_COMPILE_IFELSE([
			AC_LANG_PROGRAM([], [
				#if !defined(__arm64__) && \
				    !defined(__aarch64__) && \