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build-sys: Use AX_CHECK_DEFINE macro from autoconf archive

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It has no new functionality over the existing macro that is relevant for
us, but it is good to have use a macro with a clearly defined upstream.
This commit is contained in:
Maarten Bosmans 2011-06-15 18:49:22 +02:00
parent 2ae6f88cca
commit ee9da923e5
3 changed files with 95 additions and 16 deletions
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6
configure.ac
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@ -403,13 +403,13 @@ AC_TYPE_UID_T
AC_CHECK_DECLS(environ)
# SIGXCPU
AC_CHECK_DEFINE([SIGXCPU], [signal.h], [HAVE_SIGXCPU=1], [HAVE_SIGXCPU=0])
AX_CHECK_DEFINE([signal.h], [SIGXCPU], [HAVE_SIGXCPU=1], [HAVE_SIGXCPU=0])
AS_IF([test "x$HAVE_SIGXCPU" = "x1"], AC_DEFINE([HAVE_SIGXCPU], 1, [Have SIGXCPU?]))
AM_CONDITIONAL(HAVE_SIGXCPU, test "x$HAVE_SIGXCPU" = "x1")
# INADDR_NONE, Solaris lacks this
AC_CHECK_DEFINE([INADDR_NONE], [netinet/in.h], [],
[AC_CHECK_DEFINE([INADDR_NONE], [winsock2.h], [],
AX_CHECK_DEFINE([netinet/in.h], [INADDR_NONE], [],
[AX_CHECK_DEFINE([winsock2.h], [INADDR_NONE], [],
[AC_DEFINE([INADDR_NONE], [0xffffffff], [Define INADDR_NONE if not found in <netinet/in.h>])])])