Mercurial > hg > octave-kai > gnulib-hg
changeset 15438:591ddd1ddd1a
Declare system functions in a way that works with C++.
* m4/fdopendir.m4 (gl_FUNC_FDOPENDIR) [C++]: In the test program,
declare fdopendir as extern "C".
* m4/frexpl.m4 (gl_FUNC_FREXPL_WORKS) [C++]: In the test program,
declare frexpl as extern "C".
* m4/getaddrinfo.m4 (gl_GETADDRINFO) [C++]: In the test program,
declare gai_strerror as extern "C".
* m4/getdomainname.m4 (gl_FUNC_GETDOMAINNAME) [C++]: In the test
programs, declare gai_strerror as extern "C".
* m4/getlogin_r.m4 (gl_FUNC_GETLOGIN_R) [C++]: In the test program,
declare getlogin_r as extern "C".
* m4/ioctl.m4 (gl_FUNC_IOCTL) [C++]: In the test program, declare ioctl
as extern "C".
* m4/ldexpl.m4 (gl_FUNC_LDEXPL_WORKS) [C++]: In the test program,
declare ldexpl as extern "C".
* m4/logb.m4 (gl_FUNC_LOGB) [C++]: In the test programs, declare logb
as extern "C".
* m4/ls-mntd-fs.m4 (gl_LIST_MOUNTED_FILE_SYSTEMS) [C++]: In the test
program, declare getmntinfo as extern "C".
* m4/stpncpy.m4 (gl_FUNC_STPNCPY) [C++]: In the test program, declare
stpncpy as extern "C".
* m4/strerror_r.m4 (gl_FUNC_STRERROR_R_WORKS) [C++]: In the test
program, declare __xpg_strerror_r as extern "C".
* m4/strndup.m4 (gl_FUNC_STRNDUP) [C++]: In the test program, declare
strndup as extern "C".
* m4/sys_select_h.m4 (gl_HEADER_SYS_SELECT) [C++]: In the test program,
declare memset and bzero as extern "C".
Reported by Sam Steingold <sds@gnu.org>.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Fri, 22 Jul 2011 00:16:46 +0200 |
parents | 055938f44a46 |
children | 12875e5545b9 |
files | ChangeLog m4/fdopendir.m4 m4/frexpl.m4 m4/getaddrinfo.m4 m4/getdomainname.m4 m4/getlogin_r.m4 m4/ioctl.m4 m4/ldexpl.m4 m4/logb.m4 m4/ls-mntd-fs.m4 m4/stpncpy.m4 m4/strerror_r.m4 m4/strndup.m4 m4/sys_select_h.m4 |
diffstat | 14 files changed, 126 insertions(+), 29 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,34 @@ +2011-07-21 Bruno Haible <bruno@clisp.org> + + Declare system functions in a way that works with C++. + * m4/fdopendir.m4 (gl_FUNC_FDOPENDIR) [C++]: In the test program, + declare fdopendir as extern "C". + * m4/frexpl.m4 (gl_FUNC_FREXPL_WORKS) [C++]: In the test program, + declare frexpl as extern "C". + * m4/getaddrinfo.m4 (gl_GETADDRINFO) [C++]: In the test program, + declare gai_strerror as extern "C". + * m4/getdomainname.m4 (gl_FUNC_GETDOMAINNAME) [C++]: In the test + programs, declare gai_strerror as extern "C". + * m4/getlogin_r.m4 (gl_FUNC_GETLOGIN_R) [C++]: In the test program, + declare getlogin_r as extern "C". + * m4/ioctl.m4 (gl_FUNC_IOCTL) [C++]: In the test program, declare ioctl + as extern "C". + * m4/ldexpl.m4 (gl_FUNC_LDEXPL_WORKS) [C++]: In the test program, + declare ldexpl as extern "C". + * m4/logb.m4 (gl_FUNC_LOGB) [C++]: In the test programs, declare logb + as extern "C". + * m4/ls-mntd-fs.m4 (gl_LIST_MOUNTED_FILE_SYSTEMS) [C++]: In the test + program, declare getmntinfo as extern "C". + * m4/stpncpy.m4 (gl_FUNC_STPNCPY) [C++]: In the test program, declare + stpncpy as extern "C". + * m4/strerror_r.m4 (gl_FUNC_STRERROR_R_WORKS) [C++]: In the test + program, declare __xpg_strerror_r as extern "C". + * m4/strndup.m4 (gl_FUNC_STRNDUP) [C++]: In the test program, declare + strndup as extern "C". + * m4/sys_select_h.m4 (gl_HEADER_SYS_SELECT) [C++]: In the test program, + declare memset and bzero as extern "C". + Reported by Sam Steingold <sds@gnu.org>. + 2011-07-12 Jim Meyering <meyering@redhat.com> maint.mk: prohibit inclusion of "verify.h" without use
--- a/m4/fdopendir.m4 +++ b/m4/fdopendir.m4 @@ -1,4 +1,4 @@ -# serial 7 +# serial 8 # See if we need to provide fdopendir. dnl Copyright (C) 2009-2011 Free Software Foundation, Inc. @@ -26,7 +26,11 @@ #include <fcntl.h> #include <unistd.h> #if !HAVE_DECL_FDOPENDIR -extern DIR *fdopendir (int); +extern +# ifdef __cplusplus +"C" +# endif +DIR *fdopendir (int); #endif ]], [int result = 0; int fd = open ("conftest.c", O_RDONLY);
--- a/m4/frexpl.m4 +++ b/m4/frexpl.m4 @@ -1,4 +1,4 @@ -# frexpl.m4 serial 14 +# frexpl.m4 serial 15 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -115,7 +115,11 @@ # undef LDBL_MIN_EXP # define LDBL_MIN_EXP (-16381) #endif -extern long double frexpl (long double, int *); +extern +#ifdef __cplusplus +"C" +#endif +long double frexpl (long double, int *); int main() { int result = 0;
--- a/m4/getaddrinfo.m4 +++ b/m4/getaddrinfo.m4 @@ -1,4 +1,4 @@ -# getaddrinfo.m4 serial 26 +# getaddrinfo.m4 serial 27 dnl Copyright (C) 2004-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -92,7 +92,11 @@ #include <ws2tcpip.h> #endif #include <stddef.h> -extern const char *gai_strerror(int);]])], +extern +#ifdef __cplusplus +"C" +#endif +const char *gai_strerror(int);]])], [gl_cv_func_gai_strerror_posix_signature=yes], [gl_cv_func_gai_strerror_posix_signature=no])]) if test $gl_cv_func_gai_strerror_posix_signature = no; then
--- a/m4/getdomainname.m4 +++ b/m4/getdomainname.m4 @@ -1,4 +1,4 @@ -# getdomainname.m4 serial 7 +# getdomainname.m4 serial 8 dnl Copyright (C) 2002-2003, 2008-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -28,7 +28,11 @@ AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include <stddef.h> - extern int getdomainname (char *, size_t); + extern + #ifdef __cplusplus + "C" + #endif + int getdomainname (char *, size_t); ]], [[getdomainname(NULL, 0);]])], [gl_cv_func_getdomainname_in_libnsl=yes]) @@ -63,7 +67,12 @@ #include <netdb.h> #endif #include <unistd.h> - extern int getdomainname (char *, int);]], + extern + #ifdef __cplusplus + "C" + #endif + int getdomainname (char *, int); + ]], [[]])], [gl_cv_decl_getdomainname_argtype2='int'], [gl_cv_decl_getdomainname_argtype2='size_t'])
--- a/m4/getlogin_r.m4 +++ b/m4/getlogin_r.m4 @@ -1,4 +1,4 @@ -#serial 10 +#serial 11 # Copyright (C) 2005-2007, 2009-2011 Free Software Foundation, Inc. # @@ -50,7 +50,11 @@ #include <stddef.h> #include <unistd.h> #if !HAVE_DECL_GETLOGIN_R -extern int getlogin_r (char *, size_t); +extern +# ifdef __cplusplus +"C" +# endif +int getlogin_r (char *, size_t); #endif int main (void)
--- a/m4/ioctl.m4 +++ b/m4/ioctl.m4 @@ -1,4 +1,4 @@ -# ioctl.m4 serial 3 +# ioctl.m4 serial 4 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -24,7 +24,12 @@ [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include <sys/ioctl.h>]], - [[extern int ioctl (int, int, ...);]]) + [[extern + #ifdef __cplusplus + "C" + #endif + int ioctl (int, int, ...); + ]]) ], [gl_cv_func_ioctl_posix_signature=yes], [gl_cv_func_ioctl_posix_signature=no])
--- a/m4/ldexpl.m4 +++ b/m4/ldexpl.m4 @@ -1,4 +1,4 @@ -# ldexpl.m4 serial 11 +# ldexpl.m4 serial 12 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -86,7 +86,11 @@ AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include <math.h> -extern long double ldexpl (long double, int); +extern +#ifdef __cplusplus +"C" +#endif +long double ldexpl (long double, int); int main() { int result = 0;
--- a/m4/logb.m4 +++ b/m4/logb.m4 @@ -1,4 +1,4 @@ -# logb.m4 serial 2 +# logb.m4 serial 3 dnl Copyright (C) 2010-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -20,7 +20,11 @@ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> - extern double logb (double x); + extern + #ifdef __cplusplus + "C" + #endif + double logb (double x); double x;]], [[x = logb(x);]])], [LOGB_LIBM=]) @@ -33,7 +37,11 @@ # define __NO_MATH_INLINES 1 /* for glibc */ #endif #include <math.h> - extern double logb (double x); + extern + #ifdef __cplusplus + "C" + #endif + double logb (double x); double x;]], [[x = logb(x);]])], [LOGB_LIBM="-lm"])
--- a/m4/ls-mntd-fs.m4 +++ b/m4/ls-mntd-fs.m4 @@ -1,4 +1,4 @@ -# serial 28 +# serial 29 # How to list mounted file systems. # Copyright (C) 1998-2004, 2006, 2009-2011 Free Software Foundation, Inc. @@ -247,7 +247,11 @@ #if HAVE_SYS_STATVFS_H # include <sys/statvfs.h> #endif -extern int getmntinfo (struct statfs **, int); +extern +#ifdef __cplusplus +"C" +#endif +int getmntinfo (struct statfs **, int); ]], [])], [fu_cv_sys_mounted_getmntinfo2=no], [fu_cv_sys_mounted_getmntinfo2=yes])
--- a/m4/stpncpy.m4 +++ b/m4/stpncpy.m4 @@ -1,4 +1,4 @@ -# stpncpy.m4 serial 14 +# stpncpy.m4 serial 15 dnl Copyright (C) 2002-2003, 2005-2007, 2009-2011 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation @@ -35,7 +35,11 @@ #include <string.h> /* for strcpy */ /* The stpncpy prototype is missing in <string.h> on AIX 4. */ #if !HAVE_DECL_STPNCPY -extern char *stpncpy (char *dest, const char *src, size_t n); +extern +# ifdef __cplusplus +"C" +# endif +char *stpncpy (char *dest, const char *src, size_t n); #endif int main () {
--- a/m4/strerror_r.m4 +++ b/m4/strerror_r.m4 @@ -1,4 +1,4 @@ -# strerror_r.m4 serial 12 +# strerror_r.m4 serial 13 dnl Copyright (C) 2002, 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -138,7 +138,11 @@ [AC_LANG_PROGRAM( [[#include <errno.h> #include <string.h> - extern int __xpg_strerror_r(int, char *, size_t); + extern + #ifdef __cplusplus + "C" + #endif + int __xpg_strerror_r(int, char *, size_t); ]], [[int result = 0; char buf[256] = "^";
--- a/m4/strndup.m4 +++ b/m4/strndup.m4 @@ -1,4 +1,4 @@ -# strndup.m4 serial 19 +# strndup.m4 serial 20 dnl Copyright (C) 2002-2003, 2005-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -25,7 +25,11 @@ AC_LANG_PROGRAM([[#include <string.h> #include <stdlib.h>]], [[ #ifndef HAVE_DECL_STRNDUP - extern char *strndup (const char *, size_t); + extern + #ifdef __cplusplus + "C" + #endif + char *strndup (const char *, size_t); #endif char *s; s = strndup ("some longer string", 15);
--- a/m4/sys_select_h.m4 +++ b/m4/sys_select_h.m4 @@ -1,4 +1,4 @@ -# sys_select_h.m4 serial 19 +# sys_select_h.m4 serial 20 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -32,10 +32,18 @@ [AC_LANG_PROGRAM([[#include <sys/select.h>]], [[ #undef memset #define memset nonexistent_memset - extern void *memset (void *, int, unsigned long); + extern + #ifdef __cplusplus + "C" + #endif + void *memset (void *, int, unsigned long); #undef bzero #define bzero nonexistent_bzero - extern void bzero (void *, unsigned long); + extern + #ifdef __cplusplus + "C" + #endif + void bzero (void *, unsigned long); fd_set fds; FD_ZERO (&fds); ]])