Merge remote-tracking branch 'origin/stable-2.0'

[bpt/guile.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 60aa49f..3cbd960 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -734,8 +734,6 @@ AC_CHECK_HEADERS([assert.h crt_externs.h])
 #               has it as an inline for chsize)
 #   ioctl - not in mingw.
 #   gmtime_r - recent posix, not on old systems
-#   pipe - not in mingw
-#   _pipe - specific to mingw, taking 3 args
 #   readdir_r - recent posix, not on old systems
 #   readdir64_r - not available on HP-UX 11.11
 #   stat64 - SuS largefile stuff, not on old systems
@@ -751,10 +749,10 @@ AC_CHECK_HEADERS([assert.h crt_externs.h])
 #
 AC_CHECK_FUNCS([DINFINITY DQNAN cexp chsize clog clog10 ctermid                \
   fesetround ftime ftruncate fchown fchmod getcwd geteuid getsid       \
-  gettimeofday gmtime_r ioctl lstat mkdir mknod nice pipe _pipe                \
-  readdir_r readdir64_r readlink rename rmdir select setegid seteuid   \
-  setlocale setpgid setsid sigaction siginterrupt stat64 strftime      \
-  strptime symlink sync sysconf tcgetpgrp tcsetpgrp times uname waitpid        \
+  gettimeofday gmtime_r ioctl lstat mkdir mknod nice                   \
+  readdir_r readdir64_r readlink rename rmdir setegid seteuid          \
+  setlocale setpgid setsid sigaction siginterrupt stat64               \
+  strptime symlink sync sysconf tcgetpgrp tcsetpgrp uname waitpid      \
   strdup system usleep atexit on_exit chown link fcntl ttyname getpwent        \
   getgrent kill getppid getpgrp fork setitimer getitimer strchr strcmp \
   index bcopy memcpy rindex truncate unsetenv isblank _NSGetEnviron    \
@@ -1303,6 +1301,29 @@ if test $scm_cv_struct_linger = yes; then
            getsockopt and setsockopt system calls.])
 fi
 
+
+dnl Check for `struct timespec', for the sake of `gen-scmconfig'.  When
+dnl building Guile, we always have it, thanks to Gnulib; but scmconfig.h
+dnl must tell whether the system has it.
+dnl
+dnl On MinGW, struct timespec is in <pthread.h>.
+AC_MSG_CHECKING(for struct timespec)
+AC_CACHE_VAL(scm_cv_struct_timespec,
+       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <time.h>
+#if HAVE_PTHREAD_H
+#include <pthread.h>
+#endif]], [[struct timespec t;  t.tv_nsec = 100]])],
+          [scm_cv_struct_timespec="yes"],
+          [scm_cv_struct_timespec="no"]))
+AC_MSG_RESULT($scm_cv_struct_timespec)
+if test $scm_cv_struct_timespec = yes; then
+  dnl Don't call it `HAVE_STRUCT_TIMESPEC' because pthread-win32's
+  dnl <pthread.h> checks whether that macro is defined.
+  AC_DEFINE([HAVE_SYSTEM_STRUCT_TIMESPEC], 1,
+    [Define this if your system defines struct timespec via either <time.h> or <pthread.h>.])
+fi
+
 #--------------------------------------------------------------------
 #
 # Flags for thread support