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author | Ludovic Courtès <ludo@gnu.org> | 2011-02-14 11:36:25 +0100 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2011-02-14 11:36:25 +0100 |
commit | 49114fd43de833c0724fbb0b6dc9ca639d1ab74f (patch) | |
tree | bd33e1612cbbc37218ff18a229ff603018d2d5d5 /m4/sys_time_h.m4 | |
parent | d9a00aa53612b97b11847cfc03647a3ab54b2a48 (diff) | |
download | guile-49114fd43de833c0724fbb0b6dc9ca639d1ab74f.tar.gz |
Update Gnulib; add new modules.
This updates Gnulib to v0.0-4889-ge375fe3.
* m4/gnulib-cache.m4: Add `accept', `bind', `close', `connect',
`getpeername', `getsockname', `getsockopt', `listen', `malloc',
`malloca', `recv', `recvfrom', `send', `sendto', `setsockopt',
`shutdown', `socket', and `sockets', requested by
Jan Nieuwenhuizen <janneke-list@xs4all.nl> for cross-MinGW32 builds.
Add `trunc', requested by Mark H Weaver <mhw@netris.org>.
Diffstat (limited to 'm4/sys_time_h.m4')
-rw-r--r-- | m4/sys_time_h.m4 | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/m4/sys_time_h.m4 b/m4/sys_time_h.m4 new file mode 100644 index 000000000..3a3adc8c4 --- /dev/null +++ b/m4/sys_time_h.m4 @@ -0,0 +1,72 @@ +# Configure a replacement for <sys/time.h>. +# serial 6 + +# Copyright (C) 2007, 2009-2011 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. + +# Written by Paul Eggert and Martin Lambers. + +AC_DEFUN([gl_HEADER_SYS_TIME_H], +[ + dnl Use AC_REQUIRE here, so that the REPLACE_GETTIMEOFDAY=0 statement + dnl below is expanded once only, before all REPLACE_GETTIMEOFDAY=1 + dnl statements that occur in other macros. + AC_REQUIRE([gl_HEADER_SYS_TIME_H_BODY]) +]) + +AC_DEFUN([gl_HEADER_SYS_TIME_H_BODY], +[ + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS]) + AC_CHECK_HEADERS_ONCE([sys/time.h]) + gl_CHECK_NEXT_HEADERS([sys/time.h]) + + if test $ac_cv_header_sys_time_h != yes; then + HAVE_SYS_TIME_H=0 + fi + + AC_CACHE_CHECK([for struct timeval], [gl_cv_sys_struct_timeval], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#if HAVE_SYS_TIME_H + #include <sys/time.h> + #endif + #include <time.h> + ]], + [[static struct timeval x; x.tv_sec = x.tv_usec;]])], + [gl_cv_sys_struct_timeval=yes], + [gl_cv_sys_struct_timeval=no])]) + if test $gl_cv_sys_struct_timeval != yes; then + HAVE_STRUCT_TIMEVAL=0 + fi + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +#if HAVE_SYS_TIME_H +# include <sys/time.h> +#endif +#include <time.h> + ]], [gettimeofday]) +]) + +AC_DEFUN([gl_SYS_TIME_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_HEADER_SYS_TIME_H_DEFAULTS], +[ + GNULIB_GETTIMEOFDAY=0; AC_SUBST([GNULIB_GETTIMEOFDAY]) + dnl Assume POSIX behavior unless another module says otherwise. + HAVE_GETTIMEOFDAY=1; AC_SUBST([HAVE_GETTIMEOFDAY]) + HAVE_STRUCT_TIMEVAL=1; AC_SUBST([HAVE_STRUCT_TIMEVAL]) + HAVE_SYS_TIME_H=1; AC_SUBST([HAVE_SYS_TIME_H]) + REPLACE_GETTIMEOFDAY=0; AC_SUBST([REPLACE_GETTIMEOFDAY]) +]) |