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test for strsep() using AC_TRY_LINK() instead of AC_CHECK_FUNC() to deal with AIX braindamage [RT #2190]

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Andreas Gustafsson 2001-12-03 21:52:07 +00:00
parent 5d727330e4
commit ba1549060f
1 changed files with 13 additions and 4 deletions
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17
configure.in
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@ -18,7 +18,7 @@ AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
esyscmd([sed "s/^/# /" COPYRIGHT])dnl
AC_DIVERT_POP()dnl
AC_REVISION($Revision: 1.315 $)
AC_REVISION($Revision: 1.316 $)
AC_INIT(lib/dns/name.c)
AC_PREREQ(2.13)
@ -1424,9 +1424,18 @@ found_rt_iflist
#
# Check for some other useful functions that are not ever-present.
#
AC_CHECK_FUNC(strsep,
[ISC_PLATFORM_NEEDSTRSEP="#undef ISC_PLATFORM_NEEDSTRSEP"],
[ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"])
# We test for strsep() using AC_TRY_LINK instead of AC_CHECK_FUNC
# because AIX 4.3.3 with patches for bos.adt.include to version 4.3.3.77
# reportedly defines strsep() without declaring it in <string.h> when
# -D_LINUX_SOURCE_COMPAT is not defined [RT #2190], and
# AC_CHECK_FUNC() incorrectly succeeds because it declares
# the function itself.
AC_MSG_CHECKING(for correctly declared strsep())
AC_TRY_LINK([#include <string.h>], [char *sp; char *foo = strsep(&sp, ".");],
[AC_MSG_RESULT(yes); ISC_PLATFORM_NEEDSTRSEP="#undef ISC_PLATFORM_NEEDSTRSEP"],
[AC_MSG_RESULT(no); ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"])
AC_CHECK_FUNC(vsnprintf,
[ISC_PLATFORM_NEEDVSNPRINTF="#undef ISC_PLATFORM_NEEDVSNPRINTF"],
[ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS print.$O"