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Use autoconf to check for sys/endian.h.

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This commit is contained in:
Reece H. Dunn
2017-01-15 10:02:30 +00:00
parent 58c655abae
commit 2e84bbbcc8
2 changed files with 30 additions and 22 deletions
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configure.ac
+10 -9
View File
@@ -85,15 +85,16 @@ dnl ================================================================
dnl library checks.
dnl ================================================================
AC_CHECK_HEADERS([endian.h]) dnl Linux
AC_CHECK_HEADERS([fcntl.h]) dnl POSIX
AC_CHECK_HEADERS([getopt.h]) dnl POSIX
AC_CHECK_HEADERS([locale.h]) dnl C89
AC_CHECK_HEADERS([stddef.h]) dnl C89
AC_CHECK_HEADERS([stdbool.h]) dnl C99
AC_CHECK_HEADERS([sys/time.h]) dnl POSIX
AC_CHECK_HEADERS([wchar.h]) dnl C89
AC_CHECK_HEADERS([wctype.h]) dnl C89
AC_CHECK_HEADERS([endian.h]) dnl Linux
AC_CHECK_HEADERS([fcntl.h]) dnl POSIX
AC_CHECK_HEADERS([getopt.h]) dnl POSIX
AC_CHECK_HEADERS([locale.h]) dnl C89
AC_CHECK_HEADERS([stddef.h]) dnl C89
AC_CHECK_HEADERS([stdbool.h]) dnl C99
AC_CHECK_HEADERS([sys/endian.h]) dnl BSD
AC_CHECK_HEADERS([sys/time.h]) dnl POSIX
AC_CHECK_HEADERS([wchar.h]) dnl C89
AC_CHECK_HEADERS([wctype.h]) dnl C89
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
src/include/compat/endian.h
+20 -13
View File
@@ -22,6 +22,26 @@
#if defined(HAVE_ENDIAN_H)
# pragma GCC system_header // Silence "warning: #include_next is a GCC extension"
# include_next <endian.h>
#elif defined(HAVE_SYS_ENDIAN_H)
# include <sys/endian.h>
# if !defined(be16toh)
# define be16toh(x) betoh16(x)
# endif
# if !defined(le16toh)
# define le16toh(x) letoh16(x)
# endif
# if !defined(be32toh)
# define be32toh(x) betoh32(x)
# endif
# if !defined(le32toh)
# define le32toh(x) letoh32(x)
# endif
# if !defined(be64toh)
# define be64toh(x) betoh64(x)
# endif
# if !defined(le64toh)
# define le64toh(x) letoh64(x)
# endif
#elif defined(__APPLE__)
# include <libkern/OSByteOrder.h>
@@ -44,19 +64,6 @@
# define __BIG_ENDIAN BIG_ENDIAN
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __PDP_ENDIAN PDP_ENDIAN
#elif defined(__OpenBSD__)
# include <sys/endian.h>
#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
# include <sys/endian.h>
# define be16toh(x) betoh16(x)
# define le16toh(x) letoh16(x)
# define be32toh(x) betoh32(x)
# define le32toh(x) letoh32(x)
# define be64toh(x) betoh64(x)
# define le64toh(x) letoh64(x)
#elif defined(_WIN16) || defined(_WIN32) || defined(_WIN64)
# if BYTE_ORDER == LITTLE_ENDIAN
# include <winsock2.h>