Radix cross Linux

     5         kx # -*- autoconf -*-
     5         kx # Process this file with autoconf to produce a configure script.
     5         kx 
     5         kx # Copyright (C) 1996-2021 Free Software Foundation, Inc.
     5         kx 
     5         kx # This program is free software: you can redistribute it and/or modify
     5         kx # it under the terms of the GNU General Public License as published by
     5         kx # the Free Software Foundation, either version 3 of the License, or
     5         kx # (at your option) any later version.
     5         kx 
     5         kx # This program is distributed in the hope that it will be useful,
     5         kx # but WITHOUT ANY WARRANTY; without even the implied warranty of
     5         kx # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     5         kx # GNU General Public License for more details.
     5         kx 
     5         kx # You should have received a copy of the GNU General Public License
     5         kx # along with this program.  If not, see <https://www.gnu.org/licenses/>.
     5         kx 
     5         kx dnl Written by James Youngman.
     5         kx 
     5         kx dnl Process this file with autoconf to produce a configure script.
     5         kx # Make inter-release version strings look like, e.g., v4.6-131-gda920ee, which
     5         kx # indicates that it is built from the 131st delta (in _some_ repository)
     5         kx # following the v4.6 tag, and that da920ee is a prefix of the commit SHA1.
     5         kx AC_INIT([GNU findutils],
     5         kx         m4_esyscmd([build-aux/git-version-gen .tarball-version]),
     5         kx         [bug-findutils@gnu.org])
     5         kx 
     5         kx dnl Set the bug-report URL
     5         kx dnl
     5         kx dnl The call to AC_INIT causes AC_PACKAGE_BUGREPORT to be defined
     5         kx dnl and we've used an email address.  However, we would also like to
     5         kx dnl specify an URL at which to report bugs (and in fact we prefer
     5         kx dnl people to use that).  Se we define that here, too.
     5         kx bugreport_url='https://savannah.gnu.org/bugs/?group=findutils'
     5         kx dnl Ensure that PACKAGE_BUGREPORT_URL shows up in config.h so that
     5         kx dnl it can be picked up by bugreport.c.
     5         kx AC_DEFINE_UNQUOTED([PACKAGE_BUGREPORT_URL], ["$bugreport_url"],
     5         kx                    [URL at which bugs should be reported])
     5         kx dnl Also ensure that it is substituted in output files so that it
     5         kx dnl turns up in locate/Makefile so that we can generate the correct
     5         kx dnl content in the updatedb script.
     5         kx AC_SUBST([PACKAGE_BUGREPORT_URL],[$bugreport_url])
     5         kx 
     5         kx AC_CONFIG_AUX_DIR(build-aux)
     5         kx AM_INIT_AUTOMAKE([no-dist-gzip dist-xz color-tests])
     5         kx AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
     5         kx 
     5         kx AC_CONFIG_SRCDIR([find/pred.c])
     5         kx AC_CONFIG_HEADERS([config.h])
     5         kx AC_CANONICAL_HOST
     5         kx AC_CONFIG_MACRO_DIR(gl/m4)
     5         kx 
     5         kx AC_SUBST(AUXDIR,$ac_aux_dir)
     5         kx 
     5         kx AC_ARG_ENABLE(leaf-optimisation,
     5         kx 	AS_HELP_STRING(--enable-leaf-optimisation,Enable an optimisation which saves lstat calls to identify subdirectories on filesystems having traditional Unix semantics),
     5         kx 	[ac_cv_leaf_optimisation=$enableval],[ac_cv_leaf_optimisation=yes])
     5         kx 
     5         kx AC_ARG_ENABLE(d_type-optimization,
     5         kx 	AS_HELP_STRING(--enable-d_type-optimization,Make use of the file type data returned in struct dirent.d_type by readdir()),
     5         kx 	[ac_cv_d_type=$enableval],[ac_cv_d_type=yes])
     5         kx 
     5         kx dnl This one has no default, because otherwise we would have to say
     5         kx dnl both --enable-d_type-optimisation=no and --enable-d_type-optimization=no
     5         kx dnl to turn it off.
     5         kx AC_ARG_ENABLE(d_type-optimisation,
     5         kx 	AS_HELP_STRING(--enable-d_type-optimisation,Synonym for --enable-d_type-optimization),
     5         kx 	[ac_cv_d_type=$enableval],[])
     5         kx 
     5         kx 
     5         kx AC_MSG_CHECKING([for leaf optimisation])
     5         kx if test x$ac_cv_leaf_optimisation = xno; then
     5         kx    AC_MSG_RESULT([no])
     5         kx else
     5         kx    AC_MSG_RESULT([yes])
     5         kx    AC_DEFINE([LEAF_OPTIMISATION], 1, [Define if you want to use the leaf optimisation (this can still be turned off with -noleaf)])
     5         kx fi
     5         kx 
     5         kx AC_ARG_VAR([DEFAULT_ARG_SIZE], [Default size of arguments to child processes
     5         kx of find and xargs, 128k if unspecified])
     5         kx if test -n "$DEFAULT_ARG_SIZE"; then
     5         kx    AC_DEFINE_UNQUOTED([DEFAULT_ARG_SIZE], [$DEFAULT_ARG_SIZE],
     5         kx      [If defined, the default argument size used in child processes])
     5         kx fi
     5         kx 
     5         kx 
     5         kx 
     5         kx dnl Checks for programs.
     5         kx AC_PROG_CC
     5         kx AC_PROG_CPP
     5         kx 
     5         kx dnl for gnulib
     5         kx gl_EARLY
     5         kx AC_PROG_INSTALL
     5         kx AC_CHECK_TOOLS([AR], [ar])
     5         kx AC_CHECK_TOOLS([RANLIB], [ranlib], [:])
     5         kx dnl AC_PROG_LIBTOOL
     5         kx AC_PROG_MAKE_SET
     5         kx AC_SYS_LARGEFILE
     5         kx 
     5         kx 
     5         kx gl_INIT
     5         kx 
     5         kx AC_ARG_ENABLE(compiler-warnings,
     5         kx   AS_HELP_STRING(--enable-compiler-warnings,Enable many compiler warnings),
     5         kx   [
     5         kx   dnl Enable various GCC warnings.
     5         kx   gl_MANYWARN_ALL_GCC([warnings])
     5         kx 
     5         kx   # Ensure VLAs are not used.
     5         kx   # Note -Wvla is implicitly added by gl_MANYWARN_ALL_GCC
     5         kx   AC_DEFINE([GNULIB_NO_VLA], [1], [Define to 1 to disable use of VLAs])
     5         kx 
     5         kx   # Set up the list of the pointless, undesired warnings.
     5         kx   findutils_nw=
     5         kx   findutils_nw="$findutils_nw -Wsystem-headers"	 # Don't let system headers trigger warnings
     5         kx   findutils_nw="$findutils_nw -Wundef"           # All compiler preprocessors support #if UNDEF
     5         kx   findutils_nw="$findutils_nw -Wtraditional"     # All compilers nowadays support ANSI C
     5         kx   findutils_nw="$findutils_nw -Wconversion"      # These warnings usually don't point to mistakes.
     5         kx   findutils_nw="$findutils_nw -Wsign-conversion" # Likewise.
     5         kx   findutils_nw="$findutils_nw -Wc++-compat"      # malloc returns void* and a cast would be ugly.
     5         kx   findutils_nw="$findutils_nw -Wswitch-default"  # A switch on an enum value needs no default.
     5         kx 
     5         kx   # Warnings we might enable in the future, but not yet (because they generate a
     5         kx   # lot of noise).
     5         kx   findutils_marginal=""
     5         kx   findutils_marginal="$findutils_marginal -Wtraditional-conversion"
     5         kx   findutils_marginal="$findutils_marginal -Wpadded"
     5         kx   findutils_marginal="$findutils_marginal -Wformat-nonliteral"
     5         kx   findutils_marginal="$findutils_marginal -Wunreachable-code"
     5         kx   # -Wdouble-promotion generates many warnings when printing values with fprintf.
     5         kx   findutils_marginal="$findutils_marginal -Wdouble-promotion"
     5         kx   findutils_marginal="$findutils_marginal -Woverlength-strings"
     5         kx   # Also disable some other warnings that we do in principle want, but currently lack
     5         kx   # a way to portably avoid.
     5         kx   findutils_tmp_nowarning=
     5         kx   findutils_tmp_nowarning="$findutils_tmp_nowarning -Wsuggest-attribute=const"
     5         kx   findutils_tmp_nowarning="$findutils_tmp_nowarning -Wsuggest-attribute=pure"
     5         kx   findutils_tmp_nowarning="$findutils_tmp_nowarning -Wsuggest-attribute=format"
     5         kx   # And some other warnings that we should fix but haven't, yet.
     5         kx   findutils_tmp_nowarning="$findutils_tmp_nowarning -Wsuggest-attribute=const"
     5         kx 
     5         kx   # Enable all GCC warnings not in our list of excluded warnings.
     5         kx   gl_MANYWARN_COMPLEMENT(
     5         kx 	[warnings], [$warnings],
     5         kx 	[$findutils_nw $findutils_marginal $findutils_tmp_nowarning])
     5         kx   for w in $warnings
     5         kx   do
     5         kx     gl_WARN_ADD([$w])
     5         kx   done
     5         kx   # -Wextra implies -Wsign-compare, so removing -Wsign-compare from $warnings does not
     5         kx   # actually eliminate this warning, as manywarnings will have included -Wextra.
     5         kx   # We should actually eliminate the uses that cause this warning, but some of them are
     5         kx   # tricky as they're comparisons between a type we choose and a type the implementation
     5         kx   # chooses without stating whether or not it is signed (e.g. time_t).
     5         kx   WARN_CFLAGS="$WARN_CFLAGS  -Wno-sign-compare"
     5         kx   # Likewise for -Wunused-parameter: it is implied by -Wunused and -Wextra.
     5         kx   gl_WARN_ADD([-Wno-unused-parameter])
     5         kx   # Likewise for -Wformat-nonliteral: it is implied by -Wformat.
     5         kx   gl_WARN_ADD([-Wno-format-nonliteral])
     5         kx   ])
     5         kx 
     5         kx dnl For --enable-compiler-warnings-are-errors, any GCC compiler
     5         kx dnl warning is actually an error which results in a non-zero result
     5         kx dnl from the compiler (that is, the code will fail to compile).  We do
     5         kx dnl this late in the configure script so that it doesn't interfere
     5         kx dnl with the compilation tests run by other parts of the configure
     5         kx dnl script.
     5         kx AC_ARG_ENABLE(compiler-warnings-are-errors,
     5         kx   AS_HELP_STRING(--enable-compiler-warnings-are-errors,Compiler warnings are errors),
     5         kx   [
     5         kx     AC_MSG_CHECKING([whether it is safe to use -Werror])
     5         kx     if test -n "$GCC"; then
     5         kx       CFLAGS="$CFLAGS -Werror"
     5         kx       AC_MSG_RESULT([yes])
     5         kx     else
     5         kx       AC_MSG_RESULT([no, because $CC is not GCC])
     5         kx     fi
     5         kx   ])
     5         kx 
     5         kx dnl Older versions of gl/m4/nls.m4 provide AM_MKINSTALLDIRS.
     5         kx dnl The current version of gnulib does not, but the version of
     5         kx dnl po/Makefile.in.in that comes with gettext-0.14.6 expects
     5         kx dnl that @MKINSTALLDIRS@ will be expanded.
     5         kx AM_MKINSTALLDIRS
     5         kx 
     5         kx dnl lib/regexprops needs to be a native program, because we need to
     5         kx dnl run it in order to generate the documentation about the properties
     5         kx dnl of regular expressions.  See lib/Makefile.am.
     5         kx AM_CONDITIONAL(CROSS_COMPILING, [[test "x$cross_compiling" = xyes]])
     5         kx 
     5         kx dnl Try to get a POSIX.1 environment.
     5         kx 
     5         kx dnl Checks for libraries.  If getpwnam() isn't present in the
     5         kx dnl C library, try -lsun.
     5         kx AC_CHECK_FUNC(getpwnam, [],
     5         kx [AC_CHECK_LIB(sun, getpwnam)])
     5         kx 
     5         kx AC_CHECK_LIB([m],[modf],[FINDLIBS="-lm $FINDLIBS"]
     5         kx   AC_DEFINE_UNQUOTED([HAVE_MODF_IN_LIBM],1,[modf is defined in -lm]))
     5         kx AC_CHECK_LIB([m],[fabs],[FINDLIBS="-lm $FINDLIBS"]
     5         kx   AC_DEFINE_UNQUOTED([HAVE_FABS_IN_LIBM],1,[fabs is defined in -lm]))
     5         kx AC_SUBST([FINDLIBS])
     5         kx 
     5         kx dnl Checks for header files.
     5         kx AC_HEADER_STDC
     5         kx AC_CHECK_HEADERS(sys/param.h mntent.h sys/mnttab.h sys/mntio.h sys/mkdev.h)
     5         kx dnl fdleak.c needs sys/resource.h because it calls getrlimit(2).
     5         kx AC_CHECK_FUNCS(getrlimit)
     5         kx AC_HEADER_MAJOR
     5         kx dnl TODO: it's possible gnulib eliminates the need for AC_HEADER_DIRENT.
     5         kx AC_HEADER_DIRENT
     5         kx AC_HEADER_STAT
     5         kx AC_HEADER_SYS_WAIT
     5         kx 
     5         kx 
     5         kx dnl Checks for typedefs, structures, and compiler characteristics.
     5         kx 
     5         kx AC_TYPE_UID_T
     5         kx AC_TYPE_SIZE_T
     5         kx AC_CHECK_TYPE(ssize_t, int)
     5         kx AC_TYPE_PID_T
     5         kx AC_CHECK_TYPE(ino_t, unsigned long)
     5         kx AC_CHECK_TYPE(dev_t, unsigned long)
     5         kx AC_TYPE_MODE_T
     5         kx AC_STRUCT_ST_BLOCKS
     5         kx AC_CHECK_MEMBERS([struct stat.st_rdev])
     5         kx 
     5         kx dnl fdleak.c uses PROMOTED_MODE_T, which is defined by gnulib.
     5         kx gl_PROMOTED_TYPE_MODE_T
     5         kx 
     5         kx 
     5         kx AC_STRUCT_TM
     5         kx AC_STRUCT_TIMEZONE
     5         kx 
     5         kx dnl Checks for library functions that are provided by gnulib.
     5         kx AC_FUNC_STRFTIME
     5         kx AC_REPLACE_FUNCS(memcmp memset stpcpy strdup strstr strtol strtoul)
     5         kx AC_CHECK_FUNCS(fchdir getcwd strerror endgrent endpwent setlocale)
     5         kx AC_CHECK_FUNCS(getrusage)
     5         kx AC_FUNC_VPRINTF
     5         kx AC_FUNC_ALLOCA
     5         kx AC_FUNC_CLOSEDIR_VOID
     5         kx 
     5         kx dnl We don't just use AC_FUNC_GETMNTENT directly because it
     5         kx dnl will try to use -lsun on platforms which have getmntent() in the
     5         kx dnl C library, for example UNICOS.
     5         kx AC_CHECK_FUNC(getmntent, [], [AC_FUNC_GETMNTENT])
     5         kx AC_CHECK_FUNCS(getmntent)
     5         kx AC_CHECK_FUNCS(setmntent endmntent)
     5         kx 
     5         kx 
     5         kx # Check for common but not-POSIX functions.
     5         kx AC_CHECK_FUNCS(setgroups)
     5         kx 
     5         kx 
     5         kx dnl gl_XALLOC
     5         kx gl_FUNC_ALLOCA
     5         kx 
     5         kx dnl Use gl_INCLUDED_REGEX so that findutils will build on systems like
     5         kx dnl Solaris, which lacks those functions in libc (see GNU Savannah bug
     5         kx dnl #11710) (Sun Sep  4 20:15:11 2005: gl_INCLUDED_REGEX no longer seems
     5         kx dnl to be available in gnulib CVS)
     5         kx gl_REGEX
     5         kx 
     5         kx AC_PREREQ([2.69])
     5         kx 
     5         kx jy_SORTZ
     5         kx 
     5         kx 
     5         kx AC_CHECK_MEMBER(struct dirent.d_type,,,[
     5         kx #include <sys/types.h>
     5         kx #include <dirent.h>])
     5         kx 
     5         kx jy_AC_ATTRIBUTE_NORETURN
     5         kx 
     5         kx dnl internationalization macros
     5         kx AM_GNU_GETTEXT([external])
     5         kx AM_GNU_GETTEXT_VERSION([0.19.3])
     5         kx 
     5         kx dnl regextype.c and regexprops.c are designed to be usable outside findutils,
     5         kx dnl but findutils doesn't want to support all the regex types in gnulib,
     5         kx dnl and wants to support an additional one (RE_SYNTAX_EMACS|RE_DOT_NEWLINE).
     5         kx dnl Hence they need to know if they are being compiled into findutils or not.
     5         kx AC_DEFINE([FINDUTILS], 1, [Define if we are compiling GNU findutils])
     5         kx AC_DEFINE([ALREADY_INCLUDED_CONFIG_H], 1, [Define so that source code can verify that config.h was already included])
     5         kx 
     5         kx dnl Test support.
     5         kx AM_PATH_PYTHON(,, [:])
     5         kx AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
     5         kx AC_CHECK_PROGS([FAKETIME],[faketime],[:])
     5         kx AM_CONDITIONAL([HAVE_FAKETIME], [test "$FAKETIME" != :])
     5         kx 
     5         kx # This is necessary so that .o files in LIBOBJS are also built via
     5         kx # the ANSI2KNR-filtering rules.
     5         kx #LIBOBJS=`echo $LIBOBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
     5         kx 
     5         kx # Note that in the list below, po/Makefile.in should appear before
     5         kx # po/Makefile, so that po/Makefile can be created even if po/Makefile.in
     5         kx # starts off missing.
     5         kx AC_CONFIG_FILES([
     5         kx Makefile
     5         kx build-aux/Makefile
     5         kx doc/Makefile
     5         kx find/Makefile
     5         kx find/testsuite/Makefile
     5         kx gl/Makefile
     5         kx gl/lib/Makefile
     5         kx lib/Makefile
     5         kx m4/Makefile
     5         kx po/Makefile.in
     5         kx po/Makefile
     5         kx gnulib-tests/Makefile
     5         kx xargs/Makefile
     5         kx xargs/testsuite/Makefile
     5         kx ])
     5         kx AC_OUTPUT
     5         kx dnl intl/Makefile