remove conflicting import for nhc98

[haskell-directory.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index bf75f80..d1927e8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -8,27 +8,40 @@ AC_CONFIG_HEADERS([include/HsBaseConfig.h])
 # do we have long longs?
 AC_CHECK_TYPES([long long])
 
+dnl ** Working vfork?
+AC_FUNC_FORK
+
+dnl ** determine whether or not const works
+AC_C_CONST
+
+dnl ** check for full ANSI header (.h) files
+AC_HEADER_STDC
+
 # check for specific header (.h) files that we are interested in
-AC_CHECK_HEADERS([ctype.h fcntl.h signal.h sys/resource.h termios.h time.h])
+AC_CHECK_HEADERS([ctype.h dirent.h errno.h fcntl.h limits.h signal.h sys/resource.h sys/select.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h])
 
 # Enable large file support. Do this before testing the types ino_t, off_t, and
 # rlim_t, because it will affect the result of that test.
 AC_SYS_LARGEFILE
 
-dnl ** check for POSIX regex
-HavePosixRegex=NO
-AC_CHECK_HEADERS([regex.h], [AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
-AC_SUBST(HavePosixRegex)
-
 dnl ** check for wide-char classifications
 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
 dnl functions if it's really there.
 AC_CHECK_HEADERS([wctype.h], [AC_CHECK_FUNCS(iswspace)])
 
 AC_CHECK_FUNCS([ftime gmtime_r localtime_r lstat readdir_r])
-
+AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer times])
 AC_CHECK_FUNCS([_chsize ftruncate])
 
+dnl ** check if it is safe to include both <time.h> and <sys/time.h>
+AC_HEADER_TIME
+
+dnl ** how do we get a timezone name, and UTC offset ?
+AC_STRUCT_TIMEZONE
+
+dnl ** do we have altzone?
+FP_DECL_ALTZONE
+
 # map standard C types and ISO types to Haskell types
 FPTOOLS_CHECK_HTYPE(char)
 FPTOOLS_CHECK_HTYPE(signed char)
@@ -67,6 +80,19 @@ FPTOOLS_CHECK_HTYPE(ssize_t)
 FPTOOLS_CHECK_HTYPE(rlim_t)
 FPTOOLS_CHECK_HTYPE(wint_t)
 
+FPTOOLS_CHECK_HTYPE(intptr_t)
+FPTOOLS_CHECK_HTYPE(uintptr_t)
+# Workaround for OSes that don't have intmax_t and uintmax_t, e.g. OpenBSD.
+if test "$ac_cv_type_long_long" = yes; then
+  fptools_cv_default_htype_intmax=$fptools_cv_htype_long_long
+  fptools_cv_default_htype_uintmax=$fptools_cv_htype_unsigned_long_long
+else
+  fptools_cv_default_htype_intmax=$fptools_cv_htype_long
+  fptools_cv_default_htype_uintmax=$fptools_cv_htype_unsigned_long
+fi
+FPTOOLS_CHECK_HTYPE(intmax_t, $fptools_cv_default_htype_intmax)
+FPTOOLS_CHECK_HTYPE(uintmax_t, $fptools_cv_default_htype_uintmax)
+
 # test errno values
 FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV ENOCIGAR], [#include <stdio.h>
 #include <errno.h>])
@@ -82,6 +108,4 @@ FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
 # Check for idiosyncracies in some mingw impls of directory handling.
 FP_READDIR_EOF_ERRNO
 
-AC_CONFIG_FILES([config.mk])
-
 AC_OUTPUT