X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=dd6c5c61083066d85e680951511fb73b384f6043;hb=be2750a0a11b919fb03cc070074e430f88bdfa90;hp=4ae0be1cb5b58d4e2bb80fe1ee0938f0f2f6e66b;hpb=3c8810e93e25864e629a1d2328918fed3bf5297d;p=ghc-base.git

diff --git a/configure.ac b/configure.ac
index 4ae0be1..dd6c5c6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_INIT([Haskell base package], [1.0], [libraries@haskell.org], [base])
 # Safety check: Ensure that we are in the correct source directory.
 AC_CONFIG_SRCDIR([include/HsBase.h])
 
-AC_CONFIG_HEADERS([include/HsBaseConfig.h])
+AC_CONFIG_HEADERS([include/HsBaseConfig.h include/EventConfig.h])
 
 AC_ARG_WITH([cc],
             [C compiler],
@@ -17,7 +17,7 @@ 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 dirent.h errno.h fcntl.h inttypes.h limits.h signal.h sys/resource.h sys/select.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/utsname.h sys/wait.h termios.h time.h unistd.h utime.h windows.h winsock.h])
+AC_CHECK_HEADERS([ctype.h errno.h fcntl.h inttypes.h limits.h signal.h sys/resource.h sys/select.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/utsname.h sys/wait.h termios.h time.h unistd.h utime.h windows.h winsock.h langinfo.h poll.h sys/epoll.h sys/event.h sys/eventfd.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.
@@ -28,10 +28,45 @@ 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([lstat readdir_r])
+AC_CHECK_FUNCS([lstat])
 AC_CHECK_FUNCS([getclock getrusage times])
 AC_CHECK_FUNCS([_chsize ftruncate])
 
+AC_CHECK_FUNCS([epoll_ctl eventfd kevent kevent64 kqueue poll])
+
+# event-related fun
+
+if test "$ac_cv_header_sys_epoll_h" = yes -a "$ac_cv_func_epoll_ctl" = yes; then
+  AC_DEFINE([HAVE_EPOLL], [1], [Define if you have epoll support.])
+fi
+
+if test "$ac_cv_header_sys_event_h" = yes -a "$ac_cv_func_kqueue" = yes; then
+  AC_DEFINE([HAVE_KQUEUE], [1], [Define if you have kqueue support.])
+fi
+
+if test "$ac_cv_header_poll_h" = yes -a "$ac_cv_func_poll" = yes; then
+  AC_DEFINE([HAVE_POLL], [1], [Define if you have poll support.])
+fi
+
+dnl--------------------------------------------------------------------
+dnl * Deal with arguments telling us iconv is somewhere odd
+dnl--------------------------------------------------------------------
+
+AC_ARG_WITH([iconv-includes],
+  [AC_HELP_STRING([--with-iconv-includes],
+    [directory containing iconv.h])],
+    [ICONV_INCLUDE_DIRS=$withval; CPPFLAGS="-I$withval"],
+    [ICONV_INCLUDE_DIRS=])
+
+AC_ARG_WITH([iconv-libraries],
+  [AC_HELP_STRING([--with-iconv-libraries],
+    [directory containing iconv library])],
+    [ICONV_LIB_DIRS=$withval; LDFLAGS="-L$withval"],
+    [ICONV_LIB_DIRS=])
+
+AC_SUBST(ICONV_INCLUDE_DIRS)
+AC_SUBST(ICONV_LIB_DIRS)
+
 # map standard C types and ISO types to Haskell types
 FPTOOLS_CHECK_HTYPE(char)
 FPTOOLS_CHECK_HTYPE(signed char)
@@ -96,11 +131,37 @@ FP_CHECK_CONSTS([SIGINT], [
 dnl ** can we open files in binary mode?
 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
 
-# Check for idiosyncracies in some mingw impls of directory handling.
-FP_READDIR_EOF_ERRNO
+# We can't just use AC_SEARCH_LIBS for this, as on OpenBSD the iconv.h
+# header needs to be included as iconv_open is #define'd to something
+# else. We therefore use our own FP_SEARCH_LIBS_PROTO, which allows us
+# to give prototype text.
+FP_SEARCH_LIBS_PROTO(iconv,
+                     [
+#include <stddef.h>
+#include <iconv.h>
+                      ],
+                     [iconv_t cd;
+                      cd = iconv_open("", "");
+                      iconv(cd,NULL,NULL,NULL,NULL);
+                      iconv_close(cd);],
+                     iconv,
+                     [EXTRA_LIBS="$EXTRA_LIBS $ac_lib"],
+                     [case `uname -s` in
+                        MINGW*|CYGWIN*) ;;
+                        *)
+                             AC_MSG_ERROR([iconv is required on non-Windows platforms]);;
+                      esac])
+
+# If possible, we use libcharset instead of nl_langinfo(CODESET) to
+# determine the current locale's character encoding.
+FP_SEARCH_LIBS_PROTO(
+    [locale_charset],
+    [#include <libcharset.h>],
+    [const char* charset = locale_charset();],
+    [charset],
+    [AC_DEFINE([HAVE_LIBCHARSET], [1], [Define to 1 if you have libcharset.])
+     EXTRA_LIBS="$EXTRA_LIBS $ac_lib"])
 
-AC_CHECK_LIB(iconv, iconv_open,
-    [EXTRA_LIBS="$EXTRA_LIBS iconv"])
 
 AC_SUBST(EXTRA_LIBS)
 AC_CONFIG_FILES([base.buildinfo])