From: Bruno Haible Date: Sat, 25 Jul 2020 23:54:38 +0000 (+0200) Subject: sigprocmask: Small autoconf macro improvement. X-Git-Tag: v1.0~3859 X-Git-Url: https://gitweb.git.savannah.gnu.org/gitweb/?a=commitdiff_plain;h=2604126d3cc8127c0e309b214ec812ca417b2001;p=gnulib.git sigprocmask: Small autoconf macro improvement. * m4/signalblocking.m4 (gl_SIGNALBLOCKING): Make it possible for the user to override the value of gl_cv_func_sigprocmask. * m4/gnulib-common.m4 (gl_SILENT): New macro. --- diff --git a/ChangeLog b/ChangeLog index d81a1d7019..e1c40b346c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2020-07-25 Bruno Haible + + sigprocmask: Small autoconf macro improvement. + * m4/signalblocking.m4 (gl_SIGNALBLOCKING): Make it possible for the + user to override the value of gl_cv_func_sigprocmask. + * m4/gnulib-common.m4 (gl_SILENT): New macro. + 2020-07-25 Bruno Haible Small autoconf macro improvements. diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4 index dfd4a258e5..7449648c6e 100644 --- a/m4/gnulib-common.m4 +++ b/m4/gnulib-common.m4 @@ -1,4 +1,4 @@ -# gnulib-common.m4 serial 51 +# gnulib-common.m4 serial 52 dnl Copyright (C) 2007-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -626,6 +626,15 @@ AC_DEFUN([gl_BIGENDIAN], AC_C_BIGENDIAN ]) +# gl_SILENT(command) +# executes command, but without the normal configure output. +AC_DEFUN([gl_SILENT], +[ + { + $1 + } AS_MESSAGE_FD>/dev/null +]) + # gl_CACHE_VAL_SILENT(cache-id, command-to-set-it) # is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not # output a spurious "(cached)" mark in the midst of other configure output. diff --git a/m4/signalblocking.m4 b/m4/signalblocking.m4 index 74de53444c..0f72dd2870 100644 --- a/m4/signalblocking.m4 +++ b/m4/signalblocking.m4 @@ -1,4 +1,4 @@ -# signalblocking.m4 serial 14 +# signalblocking.m4 serial 15 dnl Copyright (C) 2001-2002, 2006-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -13,10 +13,19 @@ AC_DEFUN([gl_SIGNALBLOCKING], [ AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T]) - if test $gl_cv_type_sigset_t = yes; then - AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1]) - fi - if test -z "$gl_cv_func_sigprocmask"; then + AC_CACHE_CHECK([for sigprocmask], + [gl_cv_func_sigprocmask], + [if test $gl_cv_type_sigset_t = yes; then + gl_SILENT([ + AC_CHECK_FUNC([sigprocmask], + [gl_cv_func_sigprocmask=yes], + [gl_cv_func_sigprocmask=no]) + ]) + else + gl_cv_func_sigprocmask=no + fi + ]) + if test $gl_cv_func_sigprocmask != yes; then HAVE_POSIX_SIGNALBLOCKING=0 fi ])