77 lines
2.9 KiB
Text
77 lines
2.9 KiB
Text
# argp.m4
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# serial 17
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dnl Copyright (C) 2003-2024 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_ARGP],
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[
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AC_REQUIRE([AC_C_INLINE])
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AC_REQUIRE([AC_C_RESTRICT])
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AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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dnl Rename argp_parse to another symbol, so that clang's ASAN does not
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dnl intercept it.
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dnl See <https://lists.gnu.org/archive/html/bug-gnulib/2023-12/msg00035.html>.
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AC_DEFINE([argp_parse], [rpl_argp_parse],
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[Define to the name of argp_parse outside libc.])
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AC_CHECK_DECLS([program_invocation_name],
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[],
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[AC_DEFINE([GNULIB_PROGRAM_INVOCATION_NAME], [1],
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[Define to 1 to add extern declaration of program_invocation_name to argp.h])],
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[[#include <errno.h>]])
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AC_CHECK_DECLS([program_invocation_short_name],
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[],
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[AC_DEFINE([GNULIB_PROGRAM_INVOCATION_SHORT_NAME], [1],
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[Define to 1 to add extern declaration of program_invocation_short_name to argp.h])],
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[[#include <errno.h>]])
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# Check if program_invocation_name and program_invocation_short_name
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# are defined elsewhere. It is improbable that only one of them will
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# be defined and other not, I prefer to stay on the safe side and to
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# test each one separately.
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AC_MSG_CHECKING([whether program_invocation_name is defined])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[extern char *program_invocation_name;]],
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[[program_invocation_name = "test";]])],
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[AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
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[Define if program_invocation_name is defined])
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AC_MSG_RESULT([yes])
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],
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[AC_MSG_RESULT([no])])
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AC_MSG_CHECKING([whether program_invocation_short_name is defined])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[extern char *program_invocation_short_name;]],
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[[program_invocation_short_name = "test";]])],
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[AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1],
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[Define if program_invocation_short_name is defined])
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AC_MSG_RESULT([yes])
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],
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[AC_MSG_RESULT([no])])
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AC_CHECK_DECLS_ONCE([clearerr_unlocked])
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AC_CHECK_DECLS_ONCE([feof_unlocked])
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AC_CHECK_DECLS_ONCE([ferror_unlocked])
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AC_CHECK_DECLS_ONCE([fflush_unlocked])
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AC_CHECK_DECLS_ONCE([fgets_unlocked])
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AC_CHECK_DECLS_ONCE([fputc_unlocked])
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AC_CHECK_DECLS_ONCE([fputs_unlocked])
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AC_CHECK_DECLS_ONCE([fread_unlocked])
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AC_CHECK_DECLS_ONCE([fwrite_unlocked])
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AC_CHECK_DECLS_ONCE([getc_unlocked])
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AC_CHECK_DECLS_ONCE([getchar_unlocked])
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AC_CHECK_DECLS_ONCE([putc_unlocked])
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AC_CHECK_DECLS_ONCE([putchar_unlocked])
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AC_CHECK_FUNCS_ONCE([flockfile funlockfile])
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AC_CHECK_HEADERS_ONCE([features.h linewrap.h])
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AC_REQUIRE([AC_FUNC_STRERROR_R])
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])
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dnl argp-parse.c depends on GNU getopt internals, therefore use GNU getopt
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dnl always.
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AC_DEFUN([gl_REPLACE_GETOPT_ALWAYS], [])
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