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# Copyright (C) 2001-2025 Free Software Foundation, Inc.
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# Copyright (C) 2003-2025 Free Software Foundation, Inc.
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# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
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# Copyright (C) 1996-2025 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# Check to see how 'make' treats includes.	            -*- Autoconf -*-

# Copyright (C) 2001-2025 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# Copyright (C) 1997-2025 Free Software Foundation, Inc.
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# Helper functions for option handling.                     -*- Autoconf -*-

# Copyright (C) 2001-2025 Free Software Foundation, Inc.
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# Copyright (C) 1999-2025 Free Software Foundation, Inc.
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# Copyright (C) 2022-2025 Free Software Foundation, Inc.
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# Copyright (C) 2001-2025 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# Check to make sure that the build environment is sane.    -*- Autoconf -*-

# Copyright (C) 1996-2025 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# _AM_SLEEP_FRACTIONAL_SECONDS
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AC_DEFUN([_AM_SLEEP_FRACTIONAL_SECONDS], [dnl
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# _AM_FILESYSTEM_TIMESTAMP_RESOLUTION
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# Copyright (C) 2009-2025 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
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# _AM_SILENT_RULES
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# Copyright (C) 2001-2025 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
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# STRIPPROG with the value of the STRIP variable (set by the user).
AC_DEFUN([AM_PROG_INSTALL_STRIP],
[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
# Installed binaries are usually stripped using 'strip' when the user
# run "make install-strip".  However 'strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the 'STRIP' environment variable to overrule this program.
dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
if test "$cross_compiling" != no; then
  AC_CHECK_TOOL([STRIP], [strip], :)
fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])

# Copyright (C) 2006-2025 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# _AM_SUBST_NOTMAKE(VARIABLE)
# ---------------------------
# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
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# AM_SUBST_NOTMAKE(VARIABLE)
# --------------------------
# Public sister of _AM_SUBST_NOTMAKE.
AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])

# Check how to create a tarball.                            -*- Autoconf -*-

# Copyright (C) 2004-2025 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# _AM_PROG_TAR(FORMAT)
# --------------------
# Check how to create a tarball in format FORMAT.
# FORMAT should be one of 'v7', 'ustar', or 'pax'.
#
# Substitute a variable $(am__tar) that is a command
# writing to stdout a FORMAT-tarball containing the directory
# $tardir.
#     tardir=directory && $(am__tar) > result.tar
#
# Substitute a variable $(am__untar) that extract such
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#
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# We'll loop over all known methods to create a tar archive until one works.
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'

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  [pax],
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  [m4_fatal([Unknown tar format])])

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    pax)
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      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
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  rm -rf conftest.dir

  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  AC_MSG_RESULT([$am_cv_prog_tar_$1])])

AC_SUBST([am__tar])
AC_SUBST([am__untar])
]) # _AM_PROG_TAR

# Copyright (C) 2022-2025 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# _AM_PROG_XARGS_N
# ----------------
# Check whether 'xargs -n' works.  It should work everywhere, so the fallback
# is not optimized at all as we never expect to use it.
AC_DEFUN([_AM_PROG_XARGS_N],
[AC_CACHE_CHECK([xargs -n works], am_cv_xargs_n_works, [dnl
AS_IF([test "`echo 1 2 3 | xargs -n2 echo`" = "1 2
3"], [am_cv_xargs_n_works=yes], [am_cv_xargs_n_works=no])])
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])dnl
AC_SUBST(am__xargs_n)
])

m4_include([scripts/autoconf/libtool.m4])
m4_include([scripts/autoconf/ltoptions.m4])
m4_include([scripts/autoconf/ltsugar.m4])
m4_include([scripts/autoconf/ltversion.m4])
m4_include([scripts/autoconf/lt~obsolete.m4])
kc3-lang/libpng/aclocal.m4

Commit

aclocal.m4
