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Fix some autoconf issues on OpenBSD

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Issue 1: autoconf gets accept when a header works properly with cpp
but not with cc.  This was true of the sys/sysctl.h header on
openbsd.  The fix: include sys/param.h (if present) when testing for
sys/sysctl.h

Issue 2: Somehow, autoconf's macro generation code is messed up on
some versions of openbsd (including mine, and other people's too) so
that instead of SIZEOF_VOID_P, it makes SIZEOF_VOID__.
evutil/util.h now works around that.
This commit is contained in:
Nick Mathewson 2010-05-08 23:29:29 -04:00
parent c1cd32a156
commit 7c519dfd4f
2 changed files with 11 additions and 1 deletions
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7
configure.in
View File

@ -89,7 +89,12 @@ fi
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h stdarg.h inttypes.h stdint.h stddef.h poll.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/param.h sys/ioctl.h sys/select.h sys/devpoll.h port.h netinet/in.h netinet/in6.h sys/socket.h sys/uio.h arpa/inet.h sys/eventfd.h sys/mman.h sys/sendfile.h netdb.h sys/sysctl.h)
AC_CHECK_HEADERS(fcntl.h stdarg.h inttypes.h stdint.h stddef.h poll.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/param.h sys/ioctl.h sys/select.h sys/devpoll.h port.h netinet/in.h netinet/in6.h sys/socket.h sys/uio.h arpa/inet.h sys/eventfd.h sys/mman.h sys/sendfile.h netdb.h)
AC_CHECK_HEADERS(sys/sysctl.h, [], [], [
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
])
if test "x$ac_cv_header_sys_queue_h" = "xyes"; then
AC_MSG_CHECKING(for TAILQ_FOREACH in sys/queue.h)
AC_EGREP_CPP(yes,

5
include/event2/util.h
View File

@ -137,6 +137,11 @@ extern "C" {
#define ev_int8_t signed char
#endif
/* Some openbsd autoconf versions get the name of this macro wrong. */
#if defined(_EVENT_SIZEOF_VOID__) && !defined(_EVENT_SIZEOF_VOID_P)
#define _EVENT_SIZEOF_VOID_P _EVENT_SIZEOF_VOID__
#endif
#ifdef _EVENT_HAVE_UINTPTR_T
#define ev_uintptr_t uintptr_t
#define ev_intptr_t intptr_t