diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 867b9fe9..509fe2d1 100644 --- a/configure.in +++ b/configure.in @@ -510,7 +510,24 @@ fi AC_CHECK_LIB(socket,socket) AC_CHECK_LIB(nsl,gethostbyname) -AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist fpathconf dirfd) +AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist fpathconf) + +AC_CACHE_CHECK([for dirfd], + ac_cv_func_dirfd, + [AC_TRY_RUN([ +#include <sys/types.h> +#include <dirent.h> +int main () { + DIR *dirp; + dirp = opendir("."); + dirfd(dirp); + closedir(dirp); +}], + ac_cv_func_dirfd=yes, + ac_cv_func_dirfd=no)]) +if test "$ac_cv_func_dirfd" = yes; then + AC_DEFINE(HAVE_DIRFD,1,[Have dirfd function]) +fi AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)]) |