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Move the libpcap version number check into acinclude.m4, call it

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PCAP_IS_SUITABLE.
This commit is contained in:
david 2010-04-20 22:02:10 +00:00
parent 49e6ad8560
commit 701fe380f8
3 changed files with 31 additions and 22 deletions
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23
acinclude.m4
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@ -26,3 +26,26 @@ recvfrom (0, NULL, 0, 0, NULL, &arg);],[
[Type of 6th argument to recvfrom()])
AC_LANG_POP(C++)
])
AC_DEFUN([PCAP_IS_SUITABLE],
[
AC_MSG_CHECKING(if libpcap version is suitable)
AC_TRY_RUN([
#include <stdio.h>
extern char pcap_version[];
int main() {
int major, minor1, minor2;
sscanf(pcap_version,"%d.%d.%d", &major, &minor1, &minor2);
if (major > 0)
exit(0);
if (minor1 < 9)
exit(1);
if (minor2 < 4)
exit(1);
exit(0);
}
],
[AC_MSG_RESULT(yes); $1],
[AC_MSG_RESULT(no); $2],
[AC_MSG_RESULT(cross-compiling -- assuming yes); $3])
])