# Configure template for gzip.
-# Copyright (C) 1999, 2000, 2001, 2002, 2006, 2007 Free Software
-# Foundation, Inc.
+# Copyright (C) 1999-2002, 2006-2007, 2009-2010 Free Software Foundation, Inc.
# Copyright (C) 1992-1993 Jean-loup Gailly
# 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)
+# the Free Software Foundation; either version 3, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# 02111-1307, USA.
AC_PREREQ([2.60])
-AC_INIT([gzip], [1.3.12], [bug-gzip@gnu.org])
+AC_INIT([gzip],
+ m4_esyscmd([build-aux/git-version-gen .tarball-version]),
+ [bug-gzip@gnu.org])
+
AC_CONFIG_SRCDIR(gzip.c)
AC_CONFIG_AUX_DIR(build-aux)
AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
-AM_INIT_AUTOMAKE([gnits])
+AM_INIT_AUTOMAKE([1.11 dist-xz color-tests parallel-tests])
+AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
AC_PROG_CC_STDC
AM_PROG_CC_C_O
gl_INIT
+AC_ARG_ENABLE([gcc-warnings],
+ [AS_HELP_STRING([--enable-gcc-warnings],
+ [turn on lots of GCC warnings (for developers)])],
+ [case $enableval in
+ yes|no) ;;
+ *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
+ esac
+ gl_gcc_warnings=$enableval],
+ [gl_gcc_warnings=no]
+)
+
+if test "$gl_gcc_warnings" = yes; then
+ gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
+ AC_SUBST([WERROR_CFLAGS])
+
+ nw=
+ # This, $nw, is the list of warnings we disable.
+ nw="$nw -Wdeclaration-after-statement" # too useful to forbid
+ nw="$nw -Waggregate-return" # anachronistic
+ nw="$nw -Wlong-long" # C90 is anachronistic (lib/gethrxtime.h)
+ nw="$nw -Wc++-compat" # We don't care about C++ compilers
+ nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
+ nw="$nw -Wtraditional" # Warns on #elif which we use often
+ nw="$nw -Wcast-qual" # Too many warnings for now
+ nw="$nw -Wconversion" # Too many warnings for now
+ nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
+ nw="$nw -Wsign-conversion" # Too many warnings for now
+ nw="$nw -Wtraditional-conversion" # Too many warnings for now
+ nw="$nw -Wunreachable-code" # Too many warnings for now
+ nw="$nw -Wpadded" # Our structs are not padded
+ nw="$nw -Wredundant-decls" # openat.h declares e.g., mkdirat
+ nw="$nw -Wlogical-op" # any use of fwrite provokes this
+ nw="$nw -Wformat-nonliteral" # who.c and pinky.c strftime uses
+ nw="$nw -Wvla" # warnings in gettext.h
+ nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
+ nw="$nw -Wswitch-enum" # Too many warnings for now
+ nw="$nw -Wswitch-default" # Too many warnings for now
+ nw="$nw -Wstack-protector" # not worth working around
+ # things I might fix soon:
+ nw="$nw -Wfloat-equal" # sort.c, seq.c
+ nw="$nw -Wmissing-format-attribute" # copy.c
+ nw="$nw -Wunsafe-loop-optimizations" # a few src/*.c
+ nw="$nw -Winline" # system.h's readdir_ignoring_dot_and_dotdot
+ nw="$nw -Wstrict-overflow" # expr.c, pr.c, tr.c, factor.c
+ # initial problems in gzip
+ nw="$nw -Wold-style-definition"
+ nw="$nw -Wshadow"
+ nw="$nw -Wunused-macros"
+ # ?? -Wstrict-overflow
+
+ gl_MANYWARN_ALL_GCC([ws])
+ gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
+ for w in $ws; do
+ gl_WARN_ADD([$w])
+ done
+ gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
+ gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
+ gl_WARN_ADD([-Wno-pointer-sign]) # Too many warnings for now
+ gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
+ gl_WARN_ADD([-Wno-overflow]) # util.c
+ gl_WARN_ADD([-Wno-type-limits]) # util.c
+
+ # In spite of excluding -Wlogical-op above, it is enabled, as of
+ # gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
+ gl_WARN_ADD([-Wno-logical-op])
+
+ gl_WARN_ADD([-fdiagnostics-show-option])
+ gl_WARN_ADD([-funit-at-a-time])
+
+ AC_SUBST([WARN_CFLAGS])
+
+ AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
+ AC_DEFINE([_FORTIFY_SOURCE], [2],
+ [enable compile-time and run-time bounds-checking, and some warnings])
+ AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
+
+ # We use a slightly smaller set of warning options for lib/.
+ # Remove the following and save the result in GNULIB_WARN_CFLAGS.
+ nw=
+ nw="$nw -Wuninitialized"
+ nw="$nw -Wmissing-prototypes"
+ nw="$nw -Wold-style-definition"
+ gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
+ AC_SUBST([GNULIB_WARN_CFLAGS])
+fi
+
+gl_FUNC_GETDTABLESIZE
+if test $HAVE_GETDTABLESIZE = 0; then
+ AC_LIBOBJ([getdtablesize])
+fi
+gl_UNISTD_MODULE_INDICATOR([getdtablesize])
+
# cc -E produces incorrect asm files on SVR4, so postprocess it.
ASCPPPOST="sed '/^ *#/d; s,//.*,,; s/% /%/g; s/\\. /./g'"
AC_SUBST([ASCPPPOST])
AC_C_CONST
AC_HEADER_STDC
AC_CHECK_HEADERS_ONCE(fcntl.h limits.h memory.h time.h)
-AC_CHECK_FUNCS_ONCE([chown fchmod fchown fdopendir lstat siginterrupt])
+AC_CHECK_FUNCS_ONCE([chown fchmod fchown lstat siginterrupt])
AC_HEADER_DIRENT
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_TYPE_OFF_T
-AC_PREFIX_PROGRAM(gzip)
-
AC_CONFIG_FILES([Makefile doc/Makefile lib/Makefile])
AC_OUTPUT
projects / debian / gzip / blobdiff