diff options
Diffstat (limited to 'm4')
-rw-r--r-- | m4/ChangeLog | 10 | ||||
-rw-r--r-- | m4/fsusage.m4 | 7 | ||||
-rw-r--r-- | m4/getcwd-path-max.m4 | 6 | ||||
-rw-r--r-- | m4/unlink-busy.m4 | 6 |
4 files changed, 21 insertions, 8 deletions
diff --git a/m4/ChangeLog b/m4/ChangeLog index 8779e4050..c33850c19 100644 --- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,5 +1,15 @@ 2006-04-24 Paul Eggert <eggert@cs.ucla.edu> + * unlink-busy.m4 (gl_FUNC_UNLINK_BUSY_TEXT): Use prototype + to define main with arguments, for C++. Reported by Eric Blake. + * c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC): + Prefer 'int main ()' to 'int main (void)', for C++. + * getcwd-path-max.m4 (gl_FUNC_GETCWD_PATH_MAX): Likewise. + * fsusage.m4 (gl_FILE_SYSTEM_USAGE): Specify a return type + for 'main', for C99 and C++. + +2006-04-24 Paul Eggert <eggert@cs.ucla.edu> + * fsusage.m4 (gl_FILE_SYSTEM_USAGE): Use return, not exit. Don't assume that exit status -1 is valid. * nanosleep.m4 (gl_FUNC_NANOSLEEP): Likewise. diff --git a/m4/fsusage.m4 b/m4/fsusage.m4 index 91a17afdf..451bd7d1e 100644 --- a/m4/fsusage.m4 +++ b/m4/fsusage.m4 @@ -1,4 +1,4 @@ -#serial 17 +#serial 18 # Obtaining file system usage information. # Copyright (C) 1997, 1998, 2000, 2001, 2003, 2004, 2005, 2006 Free Software @@ -74,6 +74,7 @@ if test $ac_fsusage_space = no; then #include <sys/param.h> #include <sys/types.h> #include <sys/mount.h> + int main () { struct statfs fsd; @@ -106,6 +107,7 @@ member (AIX, 4.3BSD)]) #ifdef HAVE_SYS_VFS_H #include <sys/vfs.h> #endif + int main () { struct statfs fsd; @@ -130,6 +132,7 @@ if test $ac_fsusage_space = no; then AC_CACHE_VAL(fu_cv_sys_stat_statfs4, [AC_TRY_RUN([#include <sys/types.h> #include <sys/statfs.h> + int main () { struct statfs fsd; @@ -158,6 +161,7 @@ member (4.4BSD and NetBSD)]) #ifdef HAVE_SYS_MOUNT_H #include <sys/mount.h> #endif + int main () { struct statfs fsd; @@ -190,6 +194,7 @@ if test $ac_fsusage_space = no; then #ifdef HAVE_SYS_FS_TYPES_H #include <sys/fs_types.h> #endif + int main () { struct fs_data fsd; diff --git a/m4/getcwd-path-max.m4 b/m4/getcwd-path-max.m4 index 5a6c43a44..4bc8ab70f 100644 --- a/m4/getcwd-path-max.m4 +++ b/m4/getcwd-path-max.m4 @@ -1,4 +1,4 @@ -#serial 10 +#serial 11 # Check for several getcwd bugs with long file names. # If so, arrange to compile the wrapper function. @@ -6,7 +6,7 @@ # I've heard that this is due to a Linux kernel bug, and that it has # been fixed between 2.4.21-pre3 and 2.4.21-pre4. */ -# Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. +# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -61,7 +61,7 @@ AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX], #define BUF_SLOP 20 int -main (void) +main () { #ifndef PATH_MAX /* The Hurd doesn't define this, so getcwd can't exhibit the bug -- diff --git a/m4/unlink-busy.m4 b/m4/unlink-busy.m4 index e40ce8799..cdc5f74a0 100644 --- a/m4/unlink-busy.m4 +++ b/m4/unlink-busy.m4 @@ -1,4 +1,4 @@ -#serial 9 +#serial 10 dnl From J. David Anglin. @@ -18,9 +18,7 @@ AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT], [AC_LANG_SOURCE( [AC_INCLUDES_DEFAULT int - main (argc, argv) - int argc; - char **argv; + main (int argc, char **argv) { return !argc || unlink (argv[0]) != 0; }])], |