Eric Blake wrote: > > Underquoted (and autoconf has magic in AC_CHECK_DECL that tries to deal > > with the underquoting, since this is so common), since the fourth > > argument of AC_CHECK_DECL is supposed to allow further m4 macro > > expansion when used properly.
The same apparently holds for AC_CHECK_DECLS. I'm adding this patch, for consistency among AC_CHECK_DECLS invocations: 2011-09-14 Bruno Haible <br...@clisp.org> Properly quote AC_CHECK_DECLS' 4th argument. * m4/c-stack.m4 (gl_PREREQ_C_STACK): Double-quote AC_CHECK_DECLS' 4th argument. * m4/ceilf.m4 (gl_FUNC_CEILF): Likewise. * m4/ceill.m4 (gl_FUNC_CEILL): Likewise. * m4/dirfd.m4 (gl_FUNC_DIRFD): Likewise. * m4/floorf.m4 (gl_FUNC_FLOORF): Likewise. * m4/floorl.m4 (gl_FUNC_FLOORL): Likewise. * m4/fnmatch.m4 (gl_PREREQ_FNMATCH): Likewise. * m4/getaddrinfo.m4 (gl_PREREQ_GETADDRINFO): Likewise. * m4/getdomainname.m4 (gl_FUNC_GETDOMAINNAME): Likewise. * m4/gethrxtime.m4 (gl_GETHRXTIME): Likewise. * m4/getpass.m4 (gl_PREREQ_GETPASS): Likewise. * m4/inet_ntop.m4 (gl_FUNC_INET_NTOP): Likewise. * m4/inet_pton.m4 (gl_FUNC_INET_PTON): Likewise. * m4/isfinite.m4 (gl_ISFINITE): Likewise. * m4/isinf.m4 (gl_ISINF): Likewise. * m4/logb.m4 (gl_FUNC_LOGB): Likewise. * m4/readutmp.m4 (gl_READUTMP): Likewise. * m4/regex.m4 (gl_PREREQ_REGEX): Likewise. * m4/round.m4 (gl_FUNC_ROUND): Likewise. * m4/roundf.m4 (gl_FUNC_ROUNDF): Likewise. * m4/roundl.m4 (gl_FUNC_ROUNDL): Likewise. * m4/signbit.m4 (gl_SIGNBIT): Likewise. * m4/sleep.m4 (gl_FUNC_SLEEP): Likewise. * m4/strsignal.m4 (gl_PREREQ_STRSIGNAL): Likewise. * m4/trunc.m4 (gl_FUNC_TRUNC): Likewise. * m4/truncf.m4 (gl_FUNC_TRUNCF): Likewise. * m4/truncl.m4 (gl_FUNC_TRUNCL): Likewise. * m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF): Likewise. * m4/wctob.m4 (gl_FUNC_WCTOB): Likewise. * m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Likewise. --- m4/c-stack.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/c-stack.m4 Wed Sep 14 23:59:47 2011 @@ -7,7 +7,7 @@ # Written by Paul Eggert. -# serial 13 +# serial 14 AC_DEFUN([AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC], [ @@ -338,7 +338,7 @@ AC_REQUIRE([AC_FUNC_ALLOCA]) AC_CHECK_FUNCS_ONCE([sigaltstack]) - AC_CHECK_DECLS([sigaltstack], , , [#include <signal.h>]) + AC_CHECK_DECLS([sigaltstack], , , [[#include <signal.h>]]) AC_CHECK_HEADERS_ONCE([unistd.h ucontext.h]) --- m4/ceilf.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/ceilf.m4 Wed Sep 14 23:56:33 2011 @@ -1,4 +1,4 @@ -# ceilf.m4 serial 11 +# ceilf.m4 serial 12 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -11,7 +11,7 @@ dnl Persuade glibc <math.h> to declare ceilf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether ceilf() is declared. - AC_CHECK_DECLS([ceilf], , , [#include <math.h>]) + AC_CHECK_DECLS([ceilf], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_ceilf" = yes; then dnl Test whether ceilf() can be used without libm. gl_FUNC_CEILF_LIBS --- m4/ceill.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/ceill.m4 Wed Sep 14 23:59:51 2011 @@ -1,4 +1,4 @@ -# ceill.m4 serial 10 +# ceill.m4 serial 11 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -11,7 +11,7 @@ dnl Persuade glibc <math.h> to declare ceill(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether ceill() is declared. - AC_CHECK_DECLS([ceill], , , [#include <math.h>]) + AC_CHECK_DECLS([ceill], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_ceill" = yes; then dnl Test whether ceill() can be used without libm. gl_FUNC_CEILL_LIBS --- m4/dirfd.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/dirfd.m4 Wed Sep 14 23:59:40 2011 @@ -1,4 +1,4 @@ -# serial 21 -*- Autoconf -*- +# serial 22 -*- Autoconf -*- dnl Find out how to get the file descriptor associated with an open DIR*. @@ -18,8 +18,8 @@ AC_CHECK_FUNCS([dirfd]) AC_CHECK_DECLS([dirfd], , , - [#include <sys/types.h> - #include <dirent.h>]) + [[#include <sys/types.h> + #include <dirent.h>]]) if test $ac_cv_have_decl_dirfd = no; then HAVE_DECL_DIRFD=0 fi --- m4/floorf.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/floorf.m4 Wed Sep 14 23:59:35 2011 @@ -1,4 +1,4 @@ -# floorf.m4 serial 10 +# floorf.m4 serial 11 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -11,7 +11,7 @@ dnl Persuade glibc <math.h> to declare floorf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether floorf() is declared. - AC_CHECK_DECLS([floorf], , , [#include <math.h>]) + AC_CHECK_DECLS([floorf], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_floorf" = yes; then dnl Test whether floorf() can be used without libm. gl_FUNC_FLOORF_LIBS --- m4/floorl.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/floorl.m4 Wed Sep 14 23:59:30 2011 @@ -1,4 +1,4 @@ -# floorl.m4 serial 8 +# floorl.m4 serial 9 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -10,7 +10,7 @@ dnl Persuade glibc <math.h> to declare floorl(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether floorl() is declared. - AC_CHECK_DECLS([floorl], , , [#include <math.h>]) + AC_CHECK_DECLS([floorl], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_floorl" = yes; then dnl Test whether floorl() can be used without libm. gl_FUNC_FLOORL_LIBS --- m4/fnmatch.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/fnmatch.m4 Wed Sep 14 23:59:24 2011 @@ -1,4 +1,4 @@ -# Check for fnmatch - serial 7. +# Check for fnmatch - serial 8. # Copyright (C) 2000-2007, 2009-2011 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -150,7 +150,7 @@ [Define to a replacement function name for fnmatch().]) dnl Prerequisites of lib/fnmatch.c. AC_REQUIRE([AC_TYPE_MBSTATE_T]) - AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>]) + AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]]) AC_CHECK_FUNCS_ONCE([btowc isblank iswctype mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy]) AC_CHECK_HEADERS_ONCE([wctype.h]) ]) --- m4/getaddrinfo.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/getaddrinfo.m4 Wed Sep 14 23:59:20 2011 @@ -1,4 +1,4 @@ -# getaddrinfo.m4 serial 28 +# getaddrinfo.m4 serial 29 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, @@ -146,7 +146,7 @@ AC_CHECK_HEADERS_ONCE([netinet/in.h]) - AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, getnameinfo],,,[ + AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, getnameinfo],,,[[ /* sys/types.h is not needed according to POSIX, but the sys/socket.h in i386-unknown-freebsd4.10 and powerpc-apple-darwin5.5 required it. */ @@ -160,7 +160,7 @@ #ifdef HAVE_WS2TCPIP_H #include <ws2tcpip.h> #endif -]) +]]) if test $ac_cv_have_decl_getaddrinfo = no; then HAVE_DECL_GETADDRINFO=0 fi --- m4/getdomainname.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/getdomainname.m4 Wed Sep 14 23:59:17 2011 @@ -1,4 +1,4 @@ -# getdomainname.m4 serial 8 +# getdomainname.m4 serial 9 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, @@ -45,15 +45,15 @@ dnl - It's int getdomainname(char *, int) on MacOS X, FreeBSD, AIX, IRIX, dnl OSF/1. AC_CHECK_DECLS([getdomainname], , , - [#include <sys/types.h> - #ifdef HAVE_SYS_SOCKET_H - #include <sys/socket.h> - #endif - #ifdef HAVE_NETDB_H - #include <netdb.h> - #endif - #include <unistd.h> - ]) + [[#include <sys/types.h> + #ifdef HAVE_SYS_SOCKET_H + #include <sys/socket.h> + #endif + #ifdef HAVE_NETDB_H + #include <netdb.h> + #endif + #include <unistd.h> + ]]) AC_CACHE_CHECK([for getdomainname's second argument type], [gl_cv_decl_getdomainname_argtype2], [if test $ac_cv_have_decl_getdomainname; then --- m4/gethrxtime.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/gethrxtime.m4 Wed Sep 14 23:59:11 2011 @@ -1,4 +1,4 @@ -# gethrxtime.m4 serial 10 +# gethrxtime.m4 serial 11 dnl Copyright (C) 2005-2006, 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, @@ -11,7 +11,7 @@ AC_REQUIRE([gl_ARITHMETIC_HRTIME_T]) AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_REQUIRE([gl_XTIME]) - AC_CHECK_DECLS([gethrtime], [], [], [#include <time.h>]) + AC_CHECK_DECLS([gethrtime], [], [], [[#include <time.h>]]) LIB_GETHRXTIME= if test $ac_cv_have_decl_gethrtime = no \ || test $gl_cv_arithmetic_hrtime_t = no; then --- m4/getpass.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/getpass.m4 Wed Sep 14 23:59:09 2011 @@ -1,4 +1,4 @@ -# getpass.m4 serial 13 +# getpass.m4 serial 14 dnl Copyright (C) 2002-2003, 2005-2006, 2009-2011 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation @@ -45,10 +45,10 @@ AC_CHECK_HEADERS_ONCE([stdio_ext.h termios.h]) AC_CHECK_FUNCS_ONCE([__fsetlocking tcgetattr tcsetattr]) AC_CHECK_DECLS([__fsetlocking],,, - [#include <stdio.h> - #if HAVE_STDIO_EXT_H - #include <stdio_ext.h> - #endif]) + [[#include <stdio.h> + #if HAVE_STDIO_EXT_H + #include <stdio_ext.h> + #endif]]) AC_CHECK_DECLS_ONCE([fflush_unlocked]) AC_CHECK_DECLS_ONCE([flockfile]) AC_CHECK_DECLS_ONCE([fputs_unlocked]) --- m4/inet_ntop.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/inet_ntop.m4 Wed Sep 14 23:59:05 2011 @@ -1,4 +1,4 @@ -# inet_ntop.m4 serial 15 +# inet_ntop.m4 serial 16 dnl Copyright (C) 2005-2006, 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, @@ -30,11 +30,11 @@ AC_CHECK_HEADERS_ONCE([netdb.h]) AC_CHECK_DECLS([inet_ntop],,, - [#include <arpa/inet.h> - #if HAVE_NETDB_H - # include <netdb.h> - #endif - ]) + [[#include <arpa/inet.h> + #if HAVE_NETDB_H + # include <netdb.h> + #endif + ]]) if test $ac_cv_have_decl_inet_ntop = no; then HAVE_DECL_INET_NTOP=0 AC_REQUIRE([AC_C_RESTRICT]) --- m4/inet_pton.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/inet_pton.m4 Wed Sep 14 23:58:40 2011 @@ -1,4 +1,4 @@ -# inet_pton.m4 serial 13 +# inet_pton.m4 serial 14 dnl Copyright (C) 2006, 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, @@ -30,11 +30,11 @@ AC_CHECK_HEADERS_ONCE([netdb.h]) AC_CHECK_DECLS([inet_pton],,, - [#include <arpa/inet.h> - #if HAVE_NETDB_H - # include <netdb.h> - #endif - ]) + [[#include <arpa/inet.h> + #if HAVE_NETDB_H + # include <netdb.h> + #endif + ]]) if test $ac_cv_have_decl_inet_pton = no; then HAVE_DECL_INET_PTON=0 AC_REQUIRE([AC_C_RESTRICT]) --- m4/isfinite.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/isfinite.m4 Wed Sep 14 23:58:35 2011 @@ -1,4 +1,4 @@ -# isfinite.m4 serial 10 +# isfinite.m4 serial 11 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -9,7 +9,7 @@ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Persuade glibc <math.h> to declare isfinite. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_DECLS([isfinite], , , [#include <math.h>]) + AC_CHECK_DECLS([isfinite], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_isfinite" = yes; then gl_CHECK_MATH_LIB([ISFINITE_LIBM], [x = isfinite (x) + isfinite ((float) x);]) --- m4/isinf.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/isinf.m4 Wed Sep 14 23:58:30 2011 @@ -1,4 +1,4 @@ -# isinf.m4 serial 5 +# isinf.m4 serial 6 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, @@ -9,7 +9,7 @@ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Persuade glibc <math.h> to declare isinf. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_DECLS([isinf], , , [#include <math.h>]) + AC_CHECK_DECLS([isinf], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_isinf" = yes; then gl_CHECK_MATH_LIB([ISINF_LIBM], [x = isinf (x) + isinf ((float) x);]) if test "$ISINF_LIBM" != missing; then --- m4/logb.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/logb.m4 Wed Sep 14 23:58:26 2011 @@ -1,4 +1,4 @@ -# logb.m4 serial 3 +# logb.m4 serial 4 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, @@ -8,7 +8,7 @@ [ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Test whether logb() is declared. - AC_CHECK_DECLS([logb], , , [#include <math.h>]) + AC_CHECK_DECLS([logb], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_logb" != yes; then HAVE_DECL_LOGB=0 fi --- m4/readutmp.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/readutmp.m4 Wed Sep 14 23:58:20 2011 @@ -1,4 +1,4 @@ -# readutmp.m4 serial 18 +# readutmp.m4 serial 19 dnl Copyright (C) 2002-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -14,13 +14,13 @@ dnl Prerequisites of lib/readutmp.h and lib/readutmp.c. AC_REQUIRE([AC_C_INLINE]) AC_CHECK_FUNCS_ONCE([utmpname utmpxname]) - AC_CHECK_DECLS([getutent],,,[ + AC_CHECK_DECLS([getutent],,,[[ /* <sys/types.h> is a prerequisite of <utmp.h> on FreeBSD 8.0, OpenBSD 4.6. */ #include <sys/types.h> #ifdef HAVE_UTMP_H # include <utmp.h> #endif -]) +]]) utmp_includes="\ AC_INCLUDES_DEFAULT #ifdef HAVE_UTMPX_H --- m4/regex.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/regex.m4 Wed Sep 14 23:58:15 2011 @@ -1,4 +1,4 @@ -# serial 59 +# serial 60 # Copyright (C) 1996-2001, 2003-2011 Free Software Foundation, Inc. # @@ -219,5 +219,5 @@ AC_REQUIRE([AC_TYPE_MBSTATE_T]) AC_CHECK_HEADERS([libintl.h]) AC_CHECK_FUNCS_ONCE([isblank iswctype wcscoll]) - AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>]) + AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]]) ]) --- m4/round.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/round.m4 Wed Sep 14 23:58:00 2011 @@ -1,4 +1,4 @@ -# round.m4 serial 12 +# round.m4 serial 13 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -10,7 +10,7 @@ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Persuade glibc <math.h> to declare round(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_DECLS([round], , , [#include <math.h>]) + AC_CHECK_DECLS([round], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_round" = yes; then gl_CHECK_MATH_LIB([ROUND_LIBM], [x = round (x);]) if test "$ROUND_LIBM" != missing; then --- m4/roundf.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/roundf.m4 Wed Sep 14 23:58:09 2011 @@ -1,4 +1,4 @@ -# roundf.m4 serial 13 +# roundf.m4 serial 14 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -10,7 +10,7 @@ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Persuade glibc <math.h> to declare roundf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_DECLS([roundf], , , [#include <math.h>]) + AC_CHECK_DECLS([roundf], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_roundf" = yes; then gl_CHECK_MATH_LIB([ROUNDF_LIBM], [x = roundf (x);]) if test "$ROUNDF_LIBM" != missing; then @@ -96,7 +96,7 @@ fi if test $HAVE_DECL_ROUNDF = 0 || test $REPLACE_ROUNDF = 1; then dnl Find libraries needed to link lib/roundf.c. - AC_CHECK_DECLS([ceilf, floorf], , , [#include <math.h>]) + AC_CHECK_DECLS([ceilf, floorf], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_floorf" = yes \ && test "$ac_cv_have_decl_ceilf" = yes; then gl_FUNC_FLOORF_LIBS --- m4/roundl.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/roundl.m4 Wed Sep 14 23:58:04 2011 @@ -1,4 +1,4 @@ -# roundl.m4 serial 11 +# roundl.m4 serial 12 dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -10,7 +10,7 @@ AC_REQUIRE([gl_MATH_H_DEFAULTS]) dnl Persuade glibc <math.h> to declare roundl(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) - AC_CHECK_DECLS([roundl], , , [#include <math.h>]) + AC_CHECK_DECLS([roundl], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_roundl" = yes; then gl_CHECK_MATH_LIB([ROUNDL_LIBM], [x = roundl (x);]) if test "$ROUNDL_LIBM" = missing; then @@ -61,7 +61,7 @@ fi if test $HAVE_DECL_ROUNDL = 0 || test $REPLACE_ROUNDL = 1; then dnl Find libraries needed to link lib/roundl.c. - AC_CHECK_DECLS([ceill, floorl], , , [#include <math.h>]) + AC_CHECK_DECLS([ceill, floorl], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_floorl" = yes \ && test "$ac_cv_have_decl_ceill" = yes; then gl_FUNC_FLOORL_LIBS --- m4/signbit.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/signbit.m4 Wed Sep 14 23:57:55 2011 @@ -1,4 +1,4 @@ -# signbit.m4 serial 10 +# signbit.m4 serial 11 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -65,7 +65,7 @@ gl_LONG_DOUBLE_SIGN_LOCATION if test "$gl_cv_cc_float_signbit" = unknown; then dnl Test whether copysignf() is declared. - AC_CHECK_DECLS([copysignf], , , [#include <math.h>]) + AC_CHECK_DECLS([copysignf], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_copysignf" = yes; then dnl Test whether copysignf() can be used without libm. AC_CACHE_CHECK([whether copysignf can be used without linking with libm], @@ -87,7 +87,7 @@ fi if test "$gl_cv_cc_double_signbit" = unknown; then dnl Test whether copysign() is declared. - AC_CHECK_DECLS([copysign], , , [#include <math.h>]) + AC_CHECK_DECLS([copysign], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_copysign" = yes; then dnl Test whether copysign() can be used without libm. AC_CACHE_CHECK([whether copysign can be used without linking with libm], @@ -109,7 +109,7 @@ fi if test "$gl_cv_cc_long_double_signbit" = unknown; then dnl Test whether copysignl() is declared. - AC_CHECK_DECLS([copysignl], , , [#include <math.h>]) + AC_CHECK_DECLS([copysignl], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_copysignl" = yes; then dnl Test whether copysignl() can be used without libm. AC_CACHE_CHECK([whether copysignl can be used without linking with libm], --- m4/sleep.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/sleep.m4 Wed Sep 14 23:57:51 2011 @@ -1,4 +1,4 @@ -# sleep.m4 serial 5 +# sleep.m4 serial 6 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, @@ -12,7 +12,7 @@ dnl _sleep() in MSVCRT. It has a different signature than POSIX sleep(): dnl it takes the number of milliseconds as argument and returns void. dnl mingw does not declare this function. - AC_CHECK_DECLS([sleep], , , [#include <unistd.h>]) + AC_CHECK_DECLS([sleep], , , [[#include <unistd.h>]]) AC_CHECK_FUNCS_ONCE([sleep]) if test $ac_cv_have_decl_sleep != yes; then HAVE_SLEEP=0 --- m4/strsignal.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/strsignal.m4 Wed Sep 14 23:57:04 2011 @@ -1,4 +1,4 @@ -# strsignal.m4 serial 6 +# strsignal.m4 serial 7 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -54,5 +54,5 @@ # Prerequisites of lib/strsignal.c. AC_DEFUN([gl_PREREQ_STRSIGNAL], [ AC_REQUIRE([AC_DECL_SYS_SIGLIST]) - AC_CHECK_DECLS([_sys_siglist], [], [], [#include <signal.h>]) + AC_CHECK_DECLS([_sys_siglist], [], [], [[#include <signal.h>]]) ]) --- m4/trunc.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/trunc.m4 Wed Sep 14 23:56:47 2011 @@ -1,4 +1,4 @@ -# trunc.m4 serial 7 +# trunc.m4 serial 8 dnl Copyright (C) 2007, 2010-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -11,7 +11,7 @@ dnl Persuade glibc <math.h> to declare trunc(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether trunc() is declared. - AC_CHECK_DECLS([trunc], , , [#include <math.h>]) + AC_CHECK_DECLS([trunc], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_trunc" = yes; then dnl Test whether trunc() can be used without libm. TRUNC_LIBM=? --- m4/truncf.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/truncf.m4 Wed Sep 14 23:56:57 2011 @@ -1,4 +1,4 @@ -# truncf.m4 serial 6 +# truncf.m4 serial 8 dnl Copyright (C) 2007, 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, @@ -11,7 +11,7 @@ dnl Persuade glibc <math.h> to declare truncf(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether truncf() is declared. - AC_CHECK_DECLS([truncf], , , [#include <math.h>]) + AC_CHECK_DECLS([truncf], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_truncf" = yes; then dnl Test whether truncf() can be used without libm. TRUNCF_LIBM=? --- m4/truncl.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/truncl.m4 Wed Sep 14 23:56:52 2011 @@ -1,4 +1,4 @@ -# truncl.m4 serial 8 +# truncl.m4 serial 9 dnl Copyright (C) 2007-2008, 2010-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -12,7 +12,7 @@ dnl Persuade glibc <math.h> to declare truncl(). AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) dnl Test whether truncl() is declared. - AC_CHECK_DECLS([truncl], , , [#include <math.h>]) + AC_CHECK_DECLS([truncl], , , [[#include <math.h>]]) if test "$ac_cv_have_decl_truncl" = yes; then dnl Test whether truncl() can be used without libm. TRUNCL_LIBM=? --- m4/vasnprintf.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/vasnprintf.m4 Wed Sep 14 23:56:42 2011 @@ -1,4 +1,4 @@ -# vasnprintf.m4 serial 32 +# vasnprintf.m4 serial 33 dnl Copyright (C) 2002-2004, 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, @@ -63,7 +63,7 @@ AC_CHECK_FUNCS([snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb]) dnl Use the _snprintf function only if it is declared (because on NetBSD it dnl is defined as a weak alias of snprintf; we prefer to use the latter). - AC_CHECK_DECLS([_snprintf], , , [#include <stdio.h>]) + AC_CHECK_DECLS([_snprintf], , , [[#include <stdio.h>]]) dnl We can avoid a lot of code by assuming that snprintf's return value dnl conforms to ISO C99. So check that. AC_REQUIRE([gl_SNPRINTF_RETVAL_C99]) --- m4/wctob.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/wctob.m4 Wed Sep 14 23:56:37 2011 @@ -1,4 +1,4 @@ -# wctob.m4 serial 9 +# wctob.m4 serial 10 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, @@ -104,7 +104,7 @@ if test $REPLACE_WCTOB = 0; then dnl IRIX 6.5 has the wctob() function but does not declare it. - AC_CHECK_DECLS([wctob], [], [], [ + AC_CHECK_DECLS([wctob], [], [], [[ /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before <wchar.h>. BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included @@ -113,7 +113,7 @@ #include <stdio.h> #include <time.h> #include <wchar.h> -]) +]]) if test $ac_cv_have_decl_wctob != yes; then HAVE_DECL_WCTOB=0 fi --- m4/wcwidth.m4.orig Thu Sep 15 00:04:00 2011 +++ m4/wcwidth.m4 Wed Sep 14 23:56:30 2011 @@ -1,4 +1,4 @@ -# wcwidth.m4 serial 20 +# wcwidth.m4 serial 21 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, @@ -18,7 +18,7 @@ AC_CHECK_HEADERS_ONCE([wchar.h]) AC_CHECK_FUNCS_ONCE([wcwidth]) - AC_CHECK_DECLS([wcwidth], [], [], [ + AC_CHECK_DECLS([wcwidth], [], [], [[ /* AIX 3.2.5 declares wcwidth in <string.h>. */ #include <string.h> /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before @@ -29,7 +29,7 @@ #include <stdio.h> #include <time.h> #include <wchar.h> -]) +]]) if test $ac_cv_have_decl_wcwidth != yes; then HAVE_DECL_WCWIDTH=0 fi -- In memoriam Jerzy Popiełuszko <http://en.wikipedia.org/wiki/Jerzy_Popiełuszko>