diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/configure.in b/configure.in index e47ba11..4c6738c 100644 --- a/configure.in +++ b/configure.in @@ -1712,18 +1712,39 @@ fi AC_MSG_RESULT(MACHDEP_OBJS) # checks for library functions -AC_CHECK_FUNCS(alarm chown chroot clock confstr ctermid ctermid_r execv \ +AC_CHECK_FUNCS(alarm chown clock confstr ctermid ctermid_r execv \ fchdir flock fork fsync fdatasync fpathconf ftime ftruncate \ gai_strerror getgroups getlogin getpeername getpgid getpid getpwent getwd \ - hstrerror inet_pton kill killpg lchown link lstat mkfifo mknod mktime \ + hstrerror inet_pton kill killpg lchown lstat mkfifo mknod mktime \ mremap nice pathconf pause plock poll pthread_init \ putenv readlink \ select setegid seteuid setgid setgroups \ setlocale setregid setreuid setsid setpgid setuid setvbuf snprintf \ - sigaction siginterrupt sigrelse strftime strptime symlink \ + sigaction siginterrupt sigrelse strftime strptime \ sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \ truncate uname unsetenv utimes waitpid _getpty getpriority) +# For some functions, having a definition is not sufficient, since +# we want to take their address. +AC_MSG_CHECKING(for chroot) +AC_TRY_COMPILE([#include <unistd.h>], void *x=chroot, + AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.) + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no) +) +AC_MSG_CHECKING(for link) +AC_TRY_COMPILE([#include <unistd.h>], void *x=link, + AC_DEFINE(HAVE_LINK, 1, Define if you have the 'link' function.) + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no) +) +AC_MSG_CHECKING(for symlink) +AC_TRY_COMPILE([#include <unistd.h>], void *x=symlink, + AC_DEFINE(HAVE_SYMLINK, 1, Define if you have the 'symlink' function.) + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no) +) + # check for openpty and forkpty AC_CHECK_FUNCS(openpty,, AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])) |