diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 726 |
1 files changed, 449 insertions, 277 deletions
@@ -1,33 +1,27 @@ -# c-bs-a.m4 serial 4 (fileutils-4.1.3) -dnl Copyright (C) 2000-2002 Free Software Foundation, Inc. +# backupfile.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. dnl This file is free software, distributed under the terms of the GNU dnl General Public License. As a special exception to the GNU General dnl Public License, this file may be distributed as part of a program dnl that contains a configuration script generated by Autoconf, under dnl the same distribution terms as the rest of that program. -dnl From Paul Eggert. - -AC_DEFUN([AC_C_BACKSLASH_A], +AC_DEFUN([gl_BACKUPFILE], [ - AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a, - [AC_TRY_COMPILE([], - [ -#if '\a' == 'a' - syntax error; -#endif - char buf['\a' == 'a' ? -1 : 1]; - buf[0] = '\a'; - return buf[0] != "\a"[0]; - ], - ac_cv_c_backslash_a=yes, - ac_cv_c_backslash_a=no)]) - if test $ac_cv_c_backslash_a = yes; then - AC_DEFINE(HAVE_C_BACKSLASH_A, 1, - [Define if backslash-a works in C strings.]) - fi + dnl Prerequisites of lib/backupfile.c. + AC_REQUIRE([AC_HEADER_DIRENT]) + AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID]) + AC_CHECK_HEADERS_ONCE(limits.h stdlib.h string.h) + AC_CHECK_DECLS_ONCE(getenv malloc) + jm_CHECK_TYPE_STRUCT_DIRENT_D_INO + + dnl Prerequisites of lib/addext.c. + AC_REQUIRE([jm_AC_DOS]) + AC_SYS_LONG_FILE_NAMES + AC_CHECK_HEADERS_ONCE(limits.h string.h unistd.h) + AC_CHECK_FUNCS(pathconf) ]) -#serial 4 +#serial 5 dnl From Jim Meyering. dnl @@ -64,75 +58,174 @@ AC_DEFUN([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO], ) if test $jm_cv_struct_dirent_d_ino = yes; then AC_DEFINE(D_INO_IN_DIRENT, 1, - [Define if there is a member named d_ino in the struct describing - directory headers.]) + [Define if there is a member named d_ino in the struct describing + directory headers.]) fi ] ) -#serial 4 +# dirname.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +AC_DEFUN([gl_DIRNAME], +[ + dnl Prerequisites of lib/dirname.h. + AC_REQUIRE([jm_AC_DOS]) + + dnl Prerequisites of lib/dirname.c. + AC_REQUIRE([AC_HEADER_STDC]) + AC_CHECK_HEADERS_ONCE(string.h) + + dnl Prerequisites of lib/basename.c. + AC_REQUIRE([AC_HEADER_STDC]) + AC_CHECK_HEADERS_ONCE(string.h) + + dnl Prerequisites of lib/stripslash.c. + AC_REQUIRE([AC_HEADER_STDC]) + AC_CHECK_HEADERS_ONCE(string.h) +]) +#serial 5 + +# Define some macros required for proper operation of code in lib/*.c +# on MSDOS/Windows systems. -dnl FIXME: put these prerequisite-only *.m4 files in a separate -dnl directory -- otherwise, they'll conflict with existing files. +# From Jim Meyering. + +AC_DEFUN([jm_AC_DOS], + [ + AC_CACHE_CHECK([whether system is Windows or MSDOS], [ac_cv_win_or_dos], + [ + AC_TRY_COMPILE([], + [#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__ +neither MSDOS nor Windows +#endif], + [ac_cv_win_or_dos=yes], + [ac_cv_win_or_dos=no]) + ]) + + if test x"$ac_cv_win_or_dos" = xyes; then + ac_fs_accepts_drive_letter_prefix=1 + ac_fs_backslash_is_file_name_separator=1 + else + ac_fs_accepts_drive_letter_prefix=0 + ac_fs_backslash_is_file_name_separator=0 + fi + + AH_VERBATIM(FILESYSTEM_PREFIX_LEN, + [#if FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX +# define FILESYSTEM_PREFIX_LEN(Filename) \ + ((Filename)[0] && (Filename)[1] == ':' ? 2 : 0) +#else +# define FILESYSTEM_PREFIX_LEN(Filename) 0 +#endif]) + + AC_DEFINE_UNQUOTED([FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX], + $ac_fs_accepts_drive_letter_prefix, + [Define on systems for which file names may have a so-called + `drive letter' prefix, define this to compute the length of that + prefix, including the colon.]) + + AH_VERBATIM(ISSLASH, + [#if FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR +# define ISSLASH(C) ((C) == '/' || (C) == '\\') +#else +# define ISSLASH(C) ((C) == '/') +#endif]) -dnl These are the prerequisite macros for GNU's error.c file. + AC_DEFINE_UNQUOTED([FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR], + $ac_fs_backslash_is_file_name_separator, + [Define if the backslash character may also serve as a file name + component separator.]) + ]) +#serial 7 + +AC_DEFUN([gl_ERROR], +[ + AC_FUNC_ERROR_AT_LINE + dnl Note: AC_FUNC_ERROR_AT_LINE does AC_LIBSOURCES([error.h, error.c]). + jm_PREREQ_ERROR +]) + +# Prerequisites of lib/error.c. AC_DEFUN([jm_PREREQ_ERROR], [ - AC_CHECK_FUNCS(strerror vprintf doprnt) + AC_REQUIRE([AC_HEADER_STDC]) + AC_REQUIRE([AC_FUNC_VPRINTF]) + AC_CHECK_FUNCS(strerror) AC_CHECK_DECLS([strerror]) AC_FUNC_STRERROR_R - AC_HEADER_STDC ]) -#serial 7 -*- autoconf -*- - -dnl From Jim Meyering. -dnl -dnl See if the glibc *_unlocked I/O macros are available. -dnl Use only those *_unlocked macros that are declared. -dnl +# getopt.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. -AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO], - [AC_CHECK_DECLS( - [clearerr_unlocked, feof_unlocked, ferror_unlocked, - fflush_unlocked, fgets_unlocked, fputc_unlocked, fputs_unlocked, - fread_unlocked, fwrite_unlocked, getc_unlocked, - getchar_unlocked, putc_unlocked, putchar_unlocked])]) -#serial 6 +AC_DEFUN([gl_GETOPT], +[ + dnl Prerequisites of lib/getopt.c. + AC_CHECK_HEADERS_ONCE(string.h) +]) +# malloc.m4 serial 7 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. dnl From Jim Meyering. dnl Determine whether malloc accepts 0 as its argument. dnl If it doesn't, arrange to use the replacement function. -dnl AC_DEFUN([jm_FUNC_MALLOC], [ - dnl xmalloc.c requires that this symbol be defined so it doesn't - dnl mistakenly use a broken malloc -- as it might if this test were omitted. - AC_DEFINE(HAVE_DONE_WORKING_MALLOC_CHECK, 1, - [Define if the malloc check has been performed. ]) - - AC_CACHE_CHECK([whether malloc(0) returns a non-NULL pointer], - jm_cv_func_working_malloc, - [AC_TRY_RUN([ - char *malloc (); - int - main () - { - exit (malloc (0) ? 0 : 1); - } - ], - jm_cv_func_working_malloc=yes, - jm_cv_func_working_malloc=no, - dnl When crosscompiling, assume malloc(0) returns NULL. - jm_cv_func_working_malloc=no) - ]) - if test $jm_cv_func_working_malloc = no; then - AC_LIBOBJ(malloc) - AC_DEFINE(malloc, rpl_malloc, - [Define to rpl_malloc if the replacement function should be used.]) + AC_REQUIRE([AC_FUNC_MALLOC]) + dnl autoconf < 2.57 used the symbol ac_cv_func_malloc_works. + if test X"$ac_cv_func_malloc_0_nonnull" = Xno || test X"$ac_cv_func_malloc_works" = Xno; then + gl_PREREQ_MALLOC fi ]) -# mbstate_t.m4 serial 9 (fileutils-4.1.3) -dnl Copyright (C) 2000-2002 Free Software Foundation, Inc. + +# Prerequisites of lib/malloc.c. +AC_DEFUN([gl_PREREQ_MALLOC], [ + : +]) +# mbrtowc.m4 serial 5 +dnl Copyright (C) 2001-2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Paul Eggert + +dnl This file can be removed, and jm_FUNC_MBRTOWC replaced with +dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere. + +AC_DEFUN([jm_FUNC_MBRTOWC], +[ + AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], + jm_cv_func_mbrtowc, + [AC_TRY_LINK( + [#include <wchar.h>], + [mbstate_t state; return ! (sizeof state && mbrtowc);], + jm_cv_func_mbrtowc=yes, + jm_cv_func_mbrtowc=no)]) + if test $jm_cv_func_mbrtowc = yes; then + AC_DEFINE(HAVE_MBRTOWC, 1, + [Define to 1 if mbrtowc and mbstate_t are properly declared.]) + fi +]) +# mbstate_t.m4 serial 9 +dnl Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. dnl This file is free software, distributed under the terms of the GNU dnl General Public License. As a special exception to the GNU General dnl Public License, this file may be distributed as part of a program @@ -145,30 +238,45 @@ dnl the same distribution terms as the rest of that program. # so you can't declare an object of that type. # Check for this incompatibility with Standard C. -# Include stdlib.h first, because otherwise this test would fail on Linux -# (at least glibc-2.1.3) because the "_XOPEN_SOURCE 500" definition elicits -# a syntax error in wchar.h due to the use of undefined __int32_t. - -AC_DEFUN([AC_MBSTATE_T], - [ - AC_CHECK_HEADERS(stdlib.h) - - AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t, - [AC_TRY_COMPILE([ -#if HAVE_STDLIB_H -# include <stdlib.h> -#endif -#include <wchar.h>], - [mbstate_t x; return sizeof x;], - ac_cv_type_mbstate_t=yes, - ac_cv_type_mbstate_t=no)]) +# AC_TYPE_MBSTATE_T +# ----------------- +AC_DEFUN([AC_TYPE_MBSTATE_T], + [AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t, + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT +# include <wchar.h>], + [mbstate_t x; return sizeof x;])], + [ac_cv_type_mbstate_t=yes], + [ac_cv_type_mbstate_t=no])]) if test $ac_cv_type_mbstate_t = yes; then - AC_DEFINE(HAVE_MBSTATE_T, 1,ma + AC_DEFINE([HAVE_MBSTATE_T], 1, [Define to 1 if <wchar.h> declares mbstate_t.]) else - AC_DEFINE(mbstate_t, int, + AC_DEFINE([mbstate_t], int, [Define to a type if <wchar.h> does not define.]) fi]) +# memchr.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +AC_DEFUN([gl_FUNC_MEMCHR], +[ + AC_REPLACE_FUNCS(memchr) + if test $ac_cv_func_memchr = no; then + jm_PREREQ_MEMCHR + fi +]) + +# Prerequisites of lib/memchr.c. +AC_DEFUN([jm_PREREQ_MEMCHR], [ + AC_CHECK_HEADERS_ONCE(limits.h stdlib.h) + AC_CHECK_HEADERS(bp-sym.h) +]) #serial 1 dnl From Mumit Khan and Paul Eggert @@ -203,218 +311,145 @@ AC_DEFUN([PATCH_FUNC_MKDIR_TAKES_ONE_ARG], fi ] ) -# mbrtowc.m4 serial 4 (fileutils-4.1.3) -dnl Copyright (C) 2001-2002 Free Software Foundation, Inc. +# onceonly.m4 serial 3 +dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc. dnl This file is free software, distributed under the terms of the GNU dnl General Public License. As a special exception to the GNU General dnl Public License, this file may be distributed as part of a program dnl that contains a configuration script generated by Autoconf, under dnl the same distribution terms as the rest of that program. -dnl From Paul Eggert - -AC_DEFUN([jm_FUNC_MBRTOWC], -[ - AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], - jm_cv_func_mbrtowc, - [AC_TRY_LINK( - [#include <wchar.h>], - [mbstate_t state; return ! (sizeof state && mbrtowc);], - jm_cv_func_mbrtowc=yes, - jm_cv_func_mbrtowc=no)]) - if test $jm_cv_func_mbrtowc = yes; then - AC_DEFINE(HAVE_MBRTOWC, 1, - [Define to 1 if mbrtowc and mbstate_t are properly declared.]) - fi -]) -#serial 22 - -dnl These are the prerequisite macros for files in the lib/ -dnl directories of the fileutils, sh-utils, and textutils packages. - -AC_DEFUN([jm_PREREQ], -[ - jm_PREREQ_ADDEXT - jm_PREREQ_CANON_HOST - jm_PREREQ_DIRNAME - jm_PREREQ_ERROR - jm_PREREQ_EXCLUDE - jm_PREREQ_GETPAGESIZE - jm_PREREQ_HARD_LOCALE - jm_PREREQ_HASH - jm_PREREQ_HUMAN - jm_PREREQ_MBSWIDTH - jm_PREREQ_MEMCHR - jm_PREREQ_PHYSMEM - jm_PREREQ_POSIXVER - jm_PREREQ_QUOTEARG - jm_PREREQ_READUTMP - jm_PREREQ_REGEX - jm_PREREQ_TEMPNAME # called by mkstemp - jm_PREREQ_XGETCWD - jm_PREREQ_XREADLINK -]) - -AC_DEFUN([jm_PREREQ_ADDEXT], -[ - dnl For addext.c. - AC_SYS_LONG_FILE_NAMES - AC_CHECK_FUNCS(pathconf) - AC_CHECK_HEADERS(limits.h string.h unistd.h) -]) - -AC_DEFUN([jm_PREREQ_CANON_HOST], -[ - dnl Add any libraries as early as possible. - dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1, - dnl so we have to add -lnsl to LIBS before checking for that function. - AC_SEARCH_LIBS(gethostbyname, [inet nsl]) - - dnl These come from -lnsl on Solaris5.5.1. - AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa) - - AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa) - AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \ - netinet/in.h arpa/inet.h) -]) - -AC_DEFUN([jm_PREREQ_DIRNAME], -[ - AC_HEADER_STDC - AC_CHECK_HEADERS(string.h) -]) - -AC_DEFUN([jm_PREREQ_EXCLUDE], -[ - AC_FUNC_FNMATCH_GNU([lib]) - AC_HEADER_STDBOOL -]) - -AC_DEFUN([jm_PREREQ_GETPAGESIZE], -[ - AC_CHECK_FUNCS(getpagesize) - AC_CHECK_HEADERS(OS.h unistd.h) -]) - -AC_DEFUN([jm_PREREQ_HARD_LOCALE], -[ - AC_C_PROTOTYPES - AC_CHECK_FUNCS(setlocale) - AC_CHECK_HEADERS(locale.h stdlib.h string.h) -]) - -AC_DEFUN([jm_PREREQ_HASH], -[ - AC_CHECK_HEADERS(stdlib.h) - AC_HEADER_STDBOOL - AC_REQUIRE([jm_CHECK_DECLS]) -]) - -# If you use human.c, you need the following files: -# inttypes.m4 ulonglong.m4 -AC_DEFUN([jm_PREREQ_HUMAN], -[ - AC_CHECK_HEADERS(limits.h stdlib.h string.h) - AC_CHECK_DECLS([getenv]) - AC_REQUIRE([jm_AC_TYPE_UINTMAX_T]) +dnl This file defines some "once only" variants of standard autoconf macros. +dnl AC_CHECK_HEADERS_ONCE like AC_CHECK_HEADERS +dnl AC_CHECK_FUNCS_ONCE like AC_CHECK_FUNCS +dnl AC_CHECK_DECLS_ONCE like AC_CHECK_DECLS +dnl AC_REQUIRE([AC_HEADER_STDC]) like AC_HEADER_STDC +dnl The advantage is that the check for each of the headers/functions/decls +dnl will be put only once into the 'configure' file. It keeps the size of +dnl the 'configure' file down, and avoids redundant output when 'configure' +dnl is run. +dnl The drawback is that the checks cannot be conditionalized. If you write +dnl if some_condition; then gl_CHECK_HEADERS(stdlib.h); fi +dnl inside an AC_DEFUNed function, the gl_CHECK_HEADERS macro call expands to +dnl empty, and the check will be inserted before the body of the AC_DEFUNed +dnl function. + +dnl Autoconf version 2.57 or newer is recommended. +AC_PREREQ(2.54) + +# AC_CHECK_HEADERS_ONCE(HEADER1 HEADER2 ...) is a once-only variant of +# AC_CHECK_HEADERS(HEADER1 HEADER2 ...). +AC_DEFUN([AC_CHECK_HEADERS_ONCE], [ + : + AC_FOREACH([gl_HEADER_NAME], [$1], [ + AC_DEFUN([gl_CHECK_HEADER_]m4_quote(translit(m4_defn([gl_HEADER_NAME]), + [-./], [___])), [ + AC_CHECK_HEADERS(gl_HEADER_NAME) + ]) + AC_REQUIRE([gl_CHECK_HEADER_]m4_quote(translit(gl_HEADER_NAME, + [-./], [___]))) + ]) ]) -AC_DEFUN([jm_PREREQ_MEMCHR], -[ - AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h) +# AC_CHECK_FUNCS_ONCE(FUNC1 FUNC2 ...) is a once-only variant of +# AC_CHECK_FUNCS(FUNC1 FUNC2 ...). +AC_DEFUN([AC_CHECK_FUNCS_ONCE], [ + : + AC_FOREACH([gl_FUNC_NAME], [$1], [ + AC_DEFUN([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]), [ + AC_CHECK_FUNCS(m4_defn([gl_FUNC_NAME])) + ]) + AC_REQUIRE([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME])) + ]) ]) -AC_DEFUN([jm_PREREQ_PHYSMEM], -[ - AC_CHECK_HEADERS(sys/pstat.h unistd.h) - AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic) +# AC_CHECK_DECLS_ONCE(DECL1 DECL2 ...) is a once-only variant of +# AC_CHECK_DECLS(DECL1, DECL2, ...). +AC_DEFUN([AC_CHECK_DECLS_ONCE], [ + : + AC_FOREACH([gl_DECL_NAME], [$1], [ + AC_DEFUN([gl_CHECK_DECL_]m4_defn([gl_DECL_NAME]), [ + AC_CHECK_DECLS(m4_defn([gl_DECL_NAME])) + ]) + AC_REQUIRE([gl_CHECK_DECL_]m4_defn([gl_DECL_NAME])) + ]) ]) +# quote.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. -AC_DEFUN([jm_PREREQ_POSIXVER], +AC_DEFUN([gl_QUOTE], [ - AC_CHECK_HEADERS(unistd.h) - AC_CHECK_DECLS([getenv]) + dnl Prerequisites of lib/quote.c. + AC_CHECK_HEADERS_ONCE(stddef.h) ]) +# quotearg.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. -AC_DEFUN([jm_PREREQ_QUOTEARG], +AC_DEFUN([gl_QUOTEARG], [ - AC_CHECK_FUNCS(isascii iswprint) + dnl Prerequisites of lib/quotearg.c. + AC_CHECK_HEADERS_ONCE(wchar.h wctype.h) + AC_CHECK_FUNCS_ONCE(iswprint mbsinit) + AC_TYPE_MBSTATE_T jm_FUNC_MBRTOWC - AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h) - AC_HEADER_STDC - AC_C_BACKSLASH_A - AC_MBSTATE_T - AC_C_PROTOTYPES ]) +# realloc.m4 serial 7 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. -AC_DEFUN([jm_PREREQ_REGEX], -[ - dnl FIXME: Maybe provide a btowc replacement someday: solaris-2.5.1 lacks it. - dnl FIXME: Check for wctype and iswctype, and and add -lw if necessary - dnl to get them. - AC_CHECK_FUNCS(bzero bcopy isascii btowc) - AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h) - AC_HEADER_STDC - AC_FUNC_ALLOCA -]) +dnl From Jim Meyering. +dnl Determine whether realloc works when both arguments are 0. +dnl If it doesn't, arrange to use the replacement function. -AC_DEFUN([jm_PREREQ_TEMPNAME], +AC_DEFUN([jm_FUNC_REALLOC], [ - AC_HEADER_STDC - AC_HEADER_STAT - AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h) - AC_CHECK_FUNCS(__secure_getenv gettimeofday) - AC_CHECK_DECLS([getenv]) + AC_REQUIRE([AC_FUNC_REALLOC]) + dnl autoconf < 2.57 used the symbol ac_cv_func_realloc_works. + if test X"$ac_cv_func_realloc_0_nonnull" = Xno || test X"$ac_cv_func_realloc_works" = Xno; then + gl_PREREQ_REALLOC + fi ]) -AC_DEFUN([jm_PREREQ_XGETCWD], -[ - AC_C_PROTOTYPES - AC_CHECK_HEADERS(limits.h stdlib.h sys/param.h unistd.h) - AC_CHECK_FUNCS(getcwd) - AC_FUNC_GETCWD_NULL +# Prerequisites of lib/realloc.c. +AC_DEFUN([gl_PREREQ_REALLOC], [ + : ]) +# rmdir.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. -AC_DEFUN([jm_PREREQ_XREADLINK], +AC_DEFUN([gl_FUNC_RMDIR], [ - AC_C_PROTOTYPES - AC_CHECK_HEADERS(limits.h stdlib.h sys/types.h unistd.h) + AC_REPLACE_FUNCS(rmdir) + if test $ac_cv_func_rmdir = no; then + gl_PREREQ_RMDIR + fi ]) -#serial 6 -dnl From Jim Meyering. -dnl Determine whether realloc works when both arguments are 0. -dnl If it doesn't, arrange to use the replacement function. -dnl - -AC_DEFUN([jm_FUNC_REALLOC], -[ - dnl xmalloc.c requires that this symbol be defined so it doesn't - dnl mistakenly use a broken realloc -- as it might if this test were omitted. - AC_DEFINE(HAVE_DONE_WORKING_REALLOC_CHECK, 1, - [Define if the realloc check has been performed. ]) - - AC_CACHE_CHECK([whether realloc(0,0) returns a non-NULL pointer], - jm_cv_func_working_realloc, - [AC_TRY_RUN([ - char *realloc (); - int - main () - { - exit (realloc (0, 0) ? 0 : 1); - } - ], - jm_cv_func_working_realloc=yes, - jm_cv_func_working_realloc=no, - dnl When crosscompiling, assume realloc(0,0) returns NULL. - jm_cv_func_working_realloc=no) - ]) - if test $jm_cv_func_working_realloc = no; then - AC_LIBOBJ(realloc) - AC_DEFINE(realloc, rpl_realloc, - [Define to rpl_realloc if the replacement function should be used.]) - fi +# Prerequisites of lib/rmdir.c. +AC_DEFUN([gl_PREREQ_RMDIR], [ + AC_REQUIRE([AC_HEADER_STAT]) + : ]) + # Check for setmode, DOS style. # Copyright (C) 2001, 2002 Free Software Foundation, Inc. @@ -453,7 +488,118 @@ AC_DEFUN([AC_FUNC_SETMODE_DOS], AC_DEFINE(HAVE_SETMODE_DOS, 1, [Define to 1 if you have the DOS-style `setmode' function.]) fi]) -#serial 4 +# Check for stdbool.h that conforms to C99. + +# Copyright (C) 2002-2003 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# Prepare for substituting <stdbool.h> if it is not supported. + +AC_DEFUN([AM_STDBOOL_H], +[ + AC_REQUIRE([AC_HEADER_STDBOOL]) + + # Define two additional variables used in the Makefile substitution. + + if test "$ac_cv_header_stdbool_h" = yes; then + STDBOOL_H='' + else + STDBOOL_H='stdbool.h' + fi + AC_SUBST([STDBOOL_H]) + + if test "$ac_cv_type__Bool" = yes; then + HAVE__BOOL=1 + else + HAVE__BOOL=0 + fi + AC_SUBST([HAVE__BOOL]) +]) + +# This macro is only needed in autoconf <= 2.54. Newer versions of autoconf +# have this macro built-in. + +AC_DEFUN([AC_HEADER_STDBOOL], + [AC_CACHE_CHECK([for stdbool.h that conforms to C99], + [ac_cv_header_stdbool_h], + [AC_TRY_COMPILE( + [ + #include <stdbool.h> + #ifndef bool + "error: bool is not defined" + #endif + #ifndef false + "error: false is not defined" + #endif + #if false + "error: false is not 0" + #endif + #ifndef true + "error: false is not defined" + #endif + #if true != 1 + "error: true is not 1" + #endif + #ifndef __bool_true_false_are_defined + "error: __bool_true_false_are_defined is not defined" + #endif + + struct s { _Bool s: 1; _Bool t; } s; + + char a[true == 1 ? 1 : -1]; + char b[false == 0 ? 1 : -1]; + char c[__bool_true_false_are_defined == 1 ? 1 : -1]; + char d[(bool) -0.5 == true ? 1 : -1]; + bool e = &s; + char f[(_Bool) -0.0 == false ? 1 : -1]; + char g[true]; + char h[sizeof (_Bool)]; + char i[sizeof s.t]; + ], + [ return !a + !b + !c + !d + !e + !f + !g + !h + !i; ], + [ac_cv_header_stdbool_h=yes], + [ac_cv_header_stdbool_h=no])]) + AC_CHECK_TYPES([_Bool]) + if test $ac_cv_header_stdbool_h = yes; then + AC_DEFINE(HAVE_STDBOOL_H, 1, [Define to 1 if stdbool.h conforms to C99.]) + fi]) +#serial 7 -*- autoconf -*- + +dnl From Jim Meyering. +dnl +dnl See if the glibc *_unlocked I/O macros or functions are available. +dnl Use only those *_unlocked macros or functions that are declared +dnl (because some of them were declared in Solaris 2.5.1 but were removed +dnl in Solaris 2.6, whereas we want binaries built on Solaris 2.5.1 to run +dnl on Solaris 2.6). + +AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO], +[ + dnl Persuade glibc <stdio.h> to declare fgets_unlocked(), fputs_unlocked() + dnl etc. + AC_REQUIRE([AC_GNU_SOURCE]) + + AC_CHECK_DECLS_ONCE( + [clearerr_unlocked feof_unlocked ferror_unlocked + fflush_unlocked fgets_unlocked fputc_unlocked fputs_unlocked + fread_unlocked fwrite_unlocked getc_unlocked + getchar_unlocked putc_unlocked putchar_unlocked]) +]) +#serial 5 dnl From Jim Meyering @@ -463,7 +609,7 @@ dnl Some systems have utime.h but don't declare the struct anywhere. AC_DEFUN([jm_CHECK_TYPE_STRUCT_UTIMBUF], [ - AC_CHECK_HEADERS(utime.h) + AC_CHECK_HEADERS_ONCE(sys/time.h utime.h) AC_REQUIRE([AC_HEADER_TIME]) AC_CACHE_CHECK([for struct utimbuf], fu_cv_sys_struct_utimbuf, [AC_TRY_COMPILE( @@ -489,7 +635,33 @@ AC_DEFUN([jm_CHECK_TYPE_STRUCT_UTIMBUF], if test $fu_cv_sys_struct_utimbuf = yes; then AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, -[Define if struct utimbuf is declared -- usually in <utime.h>. - Some systems have utime.h but don't declare the struct anywhere. ]) + [Define if struct utimbuf is declared -- usually in <utime.h>. + Some systems have utime.h but don't declare the struct anywhere. ]) fi ]) +# xalloc.m4 serial 1 +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +AC_DEFUN([gl_XALLOC], +[ + gl_PREREQ_XMALLOC + gl_PREREQ_XSTRDUP +]) + +# Prerequisites of lib/xmalloc.c. +AC_DEFUN([gl_PREREQ_XMALLOC], [ + AC_REQUIRE([AC_HEADER_STDC]) + AC_REQUIRE([jm_FUNC_MALLOC]) + AC_REQUIRE([jm_FUNC_REALLOC]) +]) + +# Prerequisites of lib/xstrdup.c. +AC_DEFUN([gl_PREREQ_XSTRDUP], [ + AC_REQUIRE([AC_HEADER_STDC]) + AC_CHECK_HEADERS_ONCE(string.h) +]) |