Handle lack of struct dirent64' and readdir64_r ()' on HP-UX 11.11.

ChangeLog

@@ -1,3 +1,8 @@
+2008-07-16  Ludovic Courtès  <ludo@gnu.org>
+
+	* configure.in: Look for `struct dirent64' and `readdir64_r ()',
+	not available on HP-UX 11.11.
+
 2008-07-06  Ludovic Courtès  <ludo@gnu.org>
 
 	* configure.in: Update to Autoconf 2.61.

NEWS

@@ -53,6 +53,7 @@ application code.
 ** `guile-config link' now prints `-L$libdir' before `-lguile'
 ** Fix build issue on Tru64 and ia64-hp-hpux11.23 (`SCM_UNPACK' macro)
 ** Fix build issue on mips, mipsel, powerpc and ia64 (stack direction)
+** Fix build issue on hppa2.0w-hp-hpux11.11 (`dirent64' and `readdir64_r')
 
 
 Changes in 1.8.5 (since 1.8.4)

configure.in

@@ -583,9 +583,38 @@ AC_SUBST([SCM_I_GSC_NEEDS_STDINT_H])
 AC_SUBST([SCM_I_GSC_NEEDS_INTTYPES_H])
 
 AC_HEADER_STDC
-AC_HEADER_DIRENT
 AC_HEADER_TIME
 AC_HEADER_SYS_WAIT
+AC_HEADER_DIRENT
+
+# Reason for checking:
+#
+#   HP-UX 11.11 (at least) doesn't provide `struct dirent64', even
+#   with `_LARGEFILE64_SOURCE', so check whether it's available.
+#
+AC_CHECK_MEMBER([struct dirent64.d_name],
+  [SCM_I_GSC_HAVE_STRUCT_DIRENT64=1], [SCM_I_GSC_HAVE_STRUCT_DIRENT64=0],
+  [ #ifndef _LARGEFILE64_SOURCE
+    # define _LARGEFILE64_SOURCE
+    #endif
+
+    /* Per Autoconf manual.  */
+    #include <sys/types.h>
+    #ifdef HAVE_DIRENT_H
+    # include <dirent.h>
+    #else
+    # define dirent direct
+    # ifdef HAVE_SYS_NDIR_H
+    #  include <sys/ndir.h>
+    # endif
+    # ifdef HAVE_SYS_DIR_H
+    #  include <sys/dir.h>
+    # endif
+    # ifdef HAVE_NDIR_H
+    #  include <ndir.h>
+    # endif
+    #endif ])
+AC_SUBST([SCM_I_GSC_HAVE_STRUCT_DIRENT64])
 
 # Reasons for testing:
 #   complex.h - new in C99
@@ -684,6 +713,7 @@ AC_CHECK_HEADERS([assert.h crt_externs.h])
 #   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
 #   sysconf - not on old systems
 #   truncate - not in mingw
@@ -692,7 +722,7 @@ AC_CHECK_HEADERS([assert.h crt_externs.h])
 #   strcoll_l, newlocale - GNU extensions (glibc), also available on Darwin
 #   nl_langinfo - X/Open, not available on Windows.
 #
-AC_CHECK_FUNCS([DINFINITY DQNAN cexp chsize clog clog10 ctermid fesetround ftime ftruncate fchown getcwd geteuid gettimeofday gmtime_r ioctl lstat mkdir mknod nice pipe _pipe readdir_r readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt stat64 strftime strptime symlink sync sysconf tcgetpgrp tcsetpgrp times 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 strcoll strcoll_l newlocale nl_langinfo])
+AC_CHECK_FUNCS([DINFINITY DQNAN cexp chsize clog clog10 ctermid fesetround ftime ftruncate fchown getcwd geteuid 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 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 strcoll strcoll_l newlocale nl_langinfo])
 
 # Reasons for testing:
 #   netdb.h - not in mingw

libguile/ChangeLog

@@ -1,3 +1,13 @@
+2008-07-16  Ludovic Courtès  <ludo@gnu.org>
+
+	* gen-scmconfig.h.in (SCM_I_GSC_HAVE_STRUCT_DIRENT64): New.
+	* gen-scmconfig.c (main): Produce definitions of
+	`SCM_HAVE_STRUCT_DIRENT64' and `SCM_HAVE_READDIR64_R'.
+	* _scm.h (dirent_or_dirent64): Depend on
+	`SCM_HAVE_STRUCT_DIRENT64', for the sake of HP-UX 11.11.
+	(readdir_r_or_readdir64_r): Depend on `SCM_HAVE_READDIR64_R',
+	for HP-UX 11.11.
+
 2008-07-05  Ludovic Courtès  <ludo@gnu.org>
 
 	* strings.c (scm_c_symbol_length): New function.

libguile/_scm.h

@@ -113,7 +113,11 @@
 #endif
 
 /* These names are a bit long, but they make it clear what they represent. */
-#define dirent_or_dirent64              CHOOSE_LARGEFILE(dirent,dirent64)
+#if SCM_HAVE_STRUCT_DIRENT64 == 1
+# define dirent_or_dirent64             CHOOSE_LARGEFILE(dirent,dirent64)
+#else
+# define dirent_or_dirent64             dirent
+#endif
 #define fstat_or_fstat64                CHOOSE_LARGEFILE(fstat,fstat64)
 #define ftruncate_or_ftruncate64        CHOOSE_LARGEFILE(ftruncate,ftruncate64)
 #define lseek_or_lseek64                CHOOSE_LARGEFILE(lseek,lseek64)
@@ -121,7 +125,11 @@
 #define off_t_or_off64_t                CHOOSE_LARGEFILE(off_t,off64_t)
 #define open_or_open64                  CHOOSE_LARGEFILE(open,open64)
 #define readdir_or_readdir64            CHOOSE_LARGEFILE(readdir,readdir64)
-#define readdir_r_or_readdir64_r        CHOOSE_LARGEFILE(readdir_r,readdir64_r)
+#if SCM_HAVE_READDIR64_R == 1
+# define readdir_r_or_readdir64_r       CHOOSE_LARGEFILE(readdir_r,readdir64_r)
+#else
+# define readdir_r_or_readdir64_r       readdir_r
+#endif
 #define stat_or_stat64                  CHOOSE_LARGEFILE(stat,stat64)
 #define truncate_or_truncate64          CHOOSE_LARGEFILE(truncate,truncate64)
 #define scm_from_off_t_or_off64_t       CHOOSE_LARGEFILE(scm_from_off_t,scm_from_int64)

libguile/gen-scmconfig.c

@@ -387,6 +387,19 @@ main (int argc, char *argv[])
   pf ("#define SCM_NEED_BRACES_ON_PTHREAD_MUTEX_INITIALIZER %d /* 0 or 1 */\n",
       SCM_I_GSC_NEED_BRACES_ON_PTHREAD_MUTEX_INITIALIZER);
 
+  pf ("\n\n/*** File system access ***/\n");
+
+  pf ("/* Define to 1 if `struct dirent64' is available.  */\n");
+  pf ("#define SCM_HAVE_STRUCT_DIRENT64 %d /* 0 or 1 */\n",
+      SCM_I_GSC_HAVE_STRUCT_DIRENT64);
+
+  pf ("/* Define to 1 if `readdir64_r ()' is available.  */\n");
+#ifdef HAVE_READDIR64_R
+  pf ("#define SCM_HAVE_READDIR64_R 1 /* 0 or 1 */\n");
+#else
+  pf ("#define SCM_HAVE_READDIR64_R 0 /* 0 or 1 */\n");
+#endif
+
 #if USE_DLL_IMPORT
   pf ("\n");
   pf ("/* Define some additional CPP macros on Win32 platforms. */\n");

libguile/gen-scmconfig.h.in

@@ -30,6 +30,7 @@
 #define SCM_I_GSC_USE_NULL_THREADS @SCM_I_GSC_USE_NULL_THREADS@
 #define SCM_I_GSC_NEED_BRACES_ON_PTHREAD_ONCE_INIT @SCM_I_GSC_NEED_BRACES_ON_PTHREAD_ONCE_INIT@
 #define SCM_I_GSC_NEED_BRACES_ON_PTHREAD_MUTEX_INITIALIZER @SCM_I_GSC_NEED_BRACES_ON_PTHREAD_MUTEX_INITIALIZER@
+#define SCM_I_GSC_HAVE_STRUCT_DIRENT64 @SCM_I_GSC_HAVE_STRUCT_DIRENT64@
 
 /*
   Local Variables: