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Ticket #2998: configure.ac cleanups.

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Remove tests whose results are not used:
  * AC_CHECK_HEADERS of unistd.h, fcntl.h, sys/time.h, sys/types.h
  * AC_HEADER_MAJOR
  * AC_HEADER_TIME
  * AC_HEADER_DIRENT
  * AC_CHECK_FUNCS of isascii, statfs, sysconf, tcgetattr, tcsetattr, ftruncate
  * AC_FUNC_STRCOLL

AC_C_CONST is obsolete, today it is safe to assume all C compilers
support at least C89.

The INTERACTIVE UNIX that needed AC_ISC_POSIX is long dead.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Adrian Bunk 2013-04-07 12:32:28 +03:00 committed by Slava Zanko
parent 6d172837f0
commit 73588a1a59
1 changed files with 3 additions and 14 deletions
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17
configure.ac
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@ -156,13 +156,10 @@ dnl ############################################################################
dnl Check for header files
dnl ############################################################################
AC_CHECK_HEADERS([unistd.h string.h memory.h limits.h malloc.h \
utime.h fcntl.h sys/statfs.h sys/vfs.h sys/time.h \
AC_CHECK_HEADERS([string.h memory.h limits.h malloc.h \
utime.h sys/statfs.h sys/vfs.h \
sys/select.h sys/ioctl.h stropts.h arpa/inet.h \
sys/socket.h sys/sysmacros.h sys/types.h sys/mkdev.h])
AC_HEADER_MAJOR
AC_HEADER_TIME
AC_HEADER_DIRENT
sys/socket.h sys/sysmacros.h sys/mkdev.h])
AC_HEADER_ASSERT
@ -170,7 +167,6 @@ dnl ############################################################################
dnl Check for types
dnl ############################################################################
AC_C_CONST
dnl Check largefile before type sizeof checks
AC_SYS_LARGEFILE
@ -226,15 +222,10 @@ dnl Check for functions
dnl ############################################################################
AC_CHECK_FUNCS([\
isascii \
statfs sysconf \
tcgetattr tcsetattr \
ftruncate \
strverscmp \
strncasecmp \
realpath
])
AC_FUNC_STRCOLL
dnl getpt is a GNU Extension (glibc 2.1.x)
AC_CHECK_FUNCS(posix_openpt, , [AC_CHECK_FUNCS(getpt)])
@ -280,8 +271,6 @@ dnl ############################################################################
dnl OS specific flags
dnl ############################################################################
AC_ISC_POSIX
case $host_os in
aux*)
# A/UX