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Diffstat (limited to 'm4/getopt.m4')
| -rw-r--r-- | m4/getopt.m4 | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/m4/getopt.m4 b/m4/getopt.m4 deleted file mode 100644 index 2aea8959..00000000 --- a/m4/getopt.m4 +++ /dev/null @@ -1,341 +0,0 @@ -# getopt.m4 serial 39 -dnl Copyright (C) 2002-2006, 2008-2012 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -# Request a POSIX compliant getopt function. -AC_DEFUN([gl_FUNC_GETOPT_POSIX], -[ - m4_divert_text([DEFAULTS], [gl_getopt_required=POSIX]) - AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) - dnl Other modules can request the gnulib implementation of the getopt - dnl functions unconditionally, by defining gl_REPLACE_GETOPT_ALWAYS. - dnl argp.m4 does this. - m4_ifdef([gl_REPLACE_GETOPT_ALWAYS], [ - gl_GETOPT_IFELSE([], []) - REPLACE_GETOPT=1 - ], [ - REPLACE_GETOPT=0 - gl_GETOPT_IFELSE([ - REPLACE_GETOPT=1 - ], - []) - ]) - if test $REPLACE_GETOPT = 1; then - dnl Arrange for getopt.h to be created. - gl_GETOPT_SUBSTITUTE_HEADER - fi -]) - -# Request a POSIX compliant getopt function with GNU extensions (such as -# options with optional arguments) and the functions getopt_long, -# getopt_long_only. -AC_DEFUN([gl_FUNC_GETOPT_GNU], -[ - m4_divert_text([INIT_PREPARE], [gl_getopt_required=GNU]) - - AC_REQUIRE([gl_FUNC_GETOPT_POSIX]) -]) - -# emacs' configure.in uses this. -AC_DEFUN([gl_GETOPT_IFELSE], -[ - AC_REQUIRE([gl_GETOPT_CHECK_HEADERS]) - AS_IF([test -n "$gl_replace_getopt"], [$1], [$2]) -]) - -# Determine whether to replace the entire getopt facility. -AC_DEFUN([gl_GETOPT_CHECK_HEADERS], -[ - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_REQUIRE([AC_PROG_AWK]) dnl for awk that supports ENVIRON - - dnl Persuade Solaris <unistd.h> to declare optarg, optind, opterr, optopt. - AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - - gl_CHECK_NEXT_HEADERS([getopt.h]) - if test $ac_cv_header_getopt_h = yes; then - HAVE_GETOPT_H=1 - else - HAVE_GETOPT_H=0 - fi - AC_SUBST([HAVE_GETOPT_H]) - - gl_replace_getopt= - - dnl Test whether <getopt.h> is available. - if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then - AC_CHECK_HEADERS([getopt.h], [], [gl_replace_getopt=yes]) - fi - - dnl Test whether the function getopt_long is available. - if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then - AC_CHECK_FUNCS([getopt_long_only], [], [gl_replace_getopt=yes]) - fi - - dnl mingw's getopt (in libmingwex.a) does weird things when the options - dnl strings starts with '+' and it's not the first call. Some internal state - dnl is left over from earlier calls, and neither setting optind = 0 nor - dnl setting optreset = 1 get rid of this internal state. - dnl POSIX is silent on optind vs. optreset, so we allow either behavior. - dnl POSIX 2008 does not specify leading '+' behavior, but see - dnl http://austingroupbugs.net/view.php?id=191 for a recommendation on - dnl the next version of POSIX. For now, we only guarantee leading '+' - dnl behavior with getopt-gnu. - if test -z "$gl_replace_getopt"; then - AC_CACHE_CHECK([whether getopt is POSIX compatible], - [gl_cv_func_getopt_posix], - [ - dnl BSD getopt_long uses an incompatible method to reset option - dnl processing. Existence of the optreset variable, in and of - dnl itself, is not a reason to replace getopt, but knowledge - dnl of the variable is needed to determine how to reset and - dnl whether a reset reparses the environment. Solaris - dnl supports neither optreset nor optind=0, but keeps no state - dnl that needs a reset beyond setting optind=1; detect Solaris - dnl by getopt_clip. - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <unistd.h>]], - [[int *p = &optreset; return optreset;]])], - [gl_optind_min=1], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include <getopt.h>]], - [[return !getopt_clip;]])], - [gl_optind_min=1], - [gl_optind_min=0])]) - - dnl This test fails on mingw and succeeds on many other platforms. - gl_save_CPPFLAGS=$CPPFLAGS - CPPFLAGS="$CPPFLAGS -DOPTIND_MIN=$gl_optind_min" - AC_RUN_IFELSE([AC_LANG_SOURCE([[ -#include <unistd.h> -#include <stdlib.h> -#include <string.h> - -int -main () -{ - { - static char program[] = "program"; - static char a[] = "-a"; - static char foo[] = "foo"; - static char bar[] = "bar"; - char *argv[] = { program, a, foo, bar, NULL }; - int c; - - optind = OPTIND_MIN; - opterr = 0; - - c = getopt (4, argv, "ab"); - if (!(c == 'a')) - return 1; - c = getopt (4, argv, "ab"); - if (!(c == -1)) - return 2; - if (!(optind == 2)) - return 3; - } - /* Some internal state exists at this point. */ - { - static char program[] = "program"; - static char donald[] = "donald"; - static char p[] = "-p"; - static char billy[] = "billy"; - static char duck[] = "duck"; - static char a[] = "-a"; - static char bar[] = "bar"; - char *argv[] = { program, donald, p, billy, duck, a, bar, NULL }; - int c; - - optind = OPTIND_MIN; - opterr = 0; - - c = getopt (7, argv, "+abp:q:"); - if (!(c == -1)) - return 4; - if (!(strcmp (argv[0], "program") == 0)) - return 5; - if (!(strcmp (argv[1], "donald") == 0)) - return 6; - if (!(strcmp (argv[2], "-p") == 0)) - return 7; - if (!(strcmp (argv[3], "billy") == 0)) - return 8; - if (!(strcmp (argv[4], "duck") == 0)) - return 9; - if (!(strcmp (argv[5], "-a") == 0)) - return 10; - if (!(strcmp (argv[6], "bar") == 0)) - return 11; - if (!(optind == 1)) - return 12; - } - /* Detect MacOS 10.5, AIX 7.1 bug. */ - { - static char program[] = "program"; - static char ab[] = "-ab"; - char *argv[3] = { program, ab, NULL }; - optind = OPTIND_MIN; - opterr = 0; - if (getopt (2, argv, "ab:") != 'a') - return 13; - if (getopt (2, argv, "ab:") != '?') - return 14; - if (optopt != 'b') - return 15; - if (optind != 2) - return 16; - } - - return 0; -} -]])], - [gl_cv_func_getopt_posix=yes], [gl_cv_func_getopt_posix=no], - [case "$host_os" in - mingw*) gl_cv_func_getopt_posix="guessing no";; - darwin* | aix*) gl_cv_func_getopt_posix="guessing no";; - *) gl_cv_func_getopt_posix="guessing yes";; - esac - ]) - CPPFLAGS=$gl_save_CPPFLAGS - ]) - case "$gl_cv_func_getopt_posix" in - *no) gl_replace_getopt=yes ;; - esac - fi - - if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then - AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_getopt_gnu], - [# Even with POSIXLY_CORRECT, the GNU extension of leading '-' in the - # optstring is necessary for programs like m4 that have POSIX-mandated - # semantics for supporting options interspersed with files. - # Also, since getopt_long is a GNU extension, we require optind=0. - # Bash ties 'set -o posix' to a non-exported POSIXLY_CORRECT; - # so take care to revert to the correct (non-)export state. -dnl GNU Coding Standards currently allow awk but not env; besides, env -dnl is ambiguous with environment values that contain newlines. - gl_awk_probe='BEGIN { if ("POSIXLY_CORRECT" in ENVIRON) print "x" }' - case ${POSIXLY_CORRECT+x}`$AWK "$gl_awk_probe" </dev/null` in - xx) gl_had_POSIXLY_CORRECT=exported ;; - x) gl_had_POSIXLY_CORRECT=yes ;; - *) gl_had_POSIXLY_CORRECT= ;; - esac - POSIXLY_CORRECT=1 - export POSIXLY_CORRECT - AC_RUN_IFELSE( - [AC_LANG_PROGRAM([[#include <getopt.h> - #include <stddef.h> - #include <string.h> - ]GL_NOCRASH[ - ]], [[ - int result = 0; - - nocrash_init(); - - /* This code succeeds on glibc 2.8, OpenBSD 4.0, Cygwin, mingw, - and fails on MacOS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5, - OSF/1 5.1, Solaris 10. */ - { - static char conftest[] = "conftest"; - static char plus[] = "-+"; - char *argv[3] = { conftest, plus, NULL }; - opterr = 0; - if (getopt (2, argv, "+a") != '?') - result |= 1; - } - /* This code succeeds on glibc 2.8, mingw, - and fails on MacOS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11, - IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x. */ - { - static char program[] = "program"; - static char p[] = "-p"; - static char foo[] = "foo"; - static char bar[] = "bar"; - char *argv[] = { program, p, foo, bar, NULL }; - - optind = 1; - if (getopt (4, argv, "p::") != 'p') - result |= 2; - else if (optarg != NULL) - result |= 4; - else if (getopt (4, argv, "p::") != -1) - result |= 6; - else if (optind != 2) - result |= 8; - } - /* This code succeeds on glibc 2.8 and fails on Cygwin 1.7.0. */ - { - static char program[] = "program"; - static char foo[] = "foo"; - static char p[] = "-p"; - char *argv[] = { program, foo, p, NULL }; - optind = 0; - if (getopt (3, argv, "-p") != 1) - result |= 16; - else if (getopt (3, argv, "-p") != 'p') - result |= 32; - } - /* This code fails on glibc 2.11. */ - { - static char program[] = "program"; - static char b[] = "-b"; - static char a[] = "-a"; - char *argv[] = { program, b, a, NULL }; - optind = opterr = 0; - if (getopt (3, argv, "+:a:b") != 'b') - result |= 64; - else if (getopt (3, argv, "+:a:b") != ':') - result |= 64; - } - /* This code dumps core on glibc 2.14. */ - { - static char program[] = "program"; - static char w[] = "-W"; - static char dummy[] = "dummy"; - char *argv[] = { program, w, dummy, NULL }; - optind = opterr = 1; - if (getopt (3, argv, "W;") != 'W') - result |= 128; - } - return result; - ]])], - [gl_cv_func_getopt_gnu=yes], - [gl_cv_func_getopt_gnu=no], - [dnl Cross compiling. Guess based on host and declarations. - case $host_os:$ac_cv_have_decl_optreset in - *-gnu*:* | mingw*:*) gl_cv_func_getopt_gnu=no;; - *:yes) gl_cv_func_getopt_gnu=no;; - *) gl_cv_func_getopt_gnu=yes;; - esac - ]) - case $gl_had_POSIXLY_CORRECT in - exported) ;; - yes) AS_UNSET([POSIXLY_CORRECT]); POSIXLY_CORRECT=1 ;; - *) AS_UNSET([POSIXLY_CORRECT]) ;; - esac - ]) - if test "$gl_cv_func_getopt_gnu" = "no"; then - gl_replace_getopt=yes - fi - fi -]) - -# emacs' configure.in uses this. -AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], -[ - GETOPT_H=getopt.h - AC_DEFINE([__GETOPT_PREFIX], [[rpl_]], - [Define to rpl_ if the getopt replacement functions and variables - should be used.]) - AC_SUBST([GETOPT_H]) -]) - -# Prerequisites of lib/getopt*. -# emacs' configure.in uses this. -AC_DEFUN([gl_PREREQ_GETOPT], -[ - AC_CHECK_DECLS_ONCE([getenv]) -]) |