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build: drop more redundant configure checks

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* configure.ac (AC_CHECK_FUNCS_ONCE, AC_SYS_LARGEFILE): Rely on
gnulib for strtok_r and large file support.
(AC_OBJEXT): Drop call now done by AC_PROG_CC.
(m4_foreach_w): Drop macro guaranteed by gnulib.
(AC_C_CONST): Drop call declared obsolete by autoconf.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2010-04-28 21:26:57 -06:00
parent 8acaeb730b
commit 70e05fa6d0
1 changed files with 1 additions and 15 deletions
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16
configure.ac
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@ -48,20 +48,10 @@ AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_CPP
AC_OBJEXT
dnl gl_INIT uses m4_foreach_w, yet that is not defined in autoconf-2.59.
dnl In order to accommodate developers with such old tools, here's a
dnl replacement definition.
m4_ifndef([m4_foreach_w],
[m4_define([m4_foreach_w],
[m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
gl_EARLY
gl_INIT
AM_PROG_CC_STDC
AC_C_CONST
AC_TYPE_UID_T
dnl Make sure we have an ANSI compiler
@ -101,16 +91,12 @@ fi
AC_MSG_RESULT([$have_cpuid])
dnl Support large files / 64 bit seek offsets.
dnl Use --disable-largefile if you don't want this.
AC_SYS_LARGEFILE
dnl Availability of various common functions (non-fatal if missing).
AC_CHECK_FUNCS_ONCE([cfmakeraw regexec sched_getaffinity getuid getgid \
posix_fallocate mmap])
dnl Availability of various not common threadsafe functions
AC_CHECK_FUNCS_ONCE([strerror_r strtok_r getmntent_r getgrnam_r getpwuid_r])
AC_CHECK_FUNCS_ONCE([strerror_r getmntent_r getgrnam_r getpwuid_r])
dnl Availability of pthread functions (if missing, win32 threading is
dnl assumed). Because of $LIB_PTHREAD, we cannot use AC_CHECK_FUNCS_ONCE.