357 lines
11 KiB
Plaintext
357 lines
11 KiB
Plaintext
AC_INIT([libisofs], [1.5.5], [http://libburnia-project.org])
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AC_PREREQ([2.50])
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dnl AC_CONFIG_HEADER([config.h])
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AC_CANONICAL_HOST
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AC_CANONICAL_TARGET
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LIBBURNIA_SET_FLAGS
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AM_INIT_AUTOMAKE([subdir-objects])
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AC_CONFIG_MACRO_DIR([./])
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dnl
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dnl if MAJOR or MINOR version changes, be sure to change AC_INIT above to match
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dnl
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dnl CURRENT and AGE describe the binary compatibility interval of a
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dnl dynamic library.
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dnl See also http://www.gnu.org/software/libtool/manual.html#Interfaces
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dnl
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dnl The name of the library will be libisofs.so.$CURRENT-$AGE.$AGE.$REV
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dnl In the terminology of this file:
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dnl CURRENT = LT_CURRENT
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dnl REV = LT_REVISION
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dnl AGE = LT_AGE
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dnl
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dnl LT_CURRENT, LT_REVISION and LT_AGE get set directly now.
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dnl
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dnl SONAME of the emerging library is LT_CURRENT - LT_AGE.
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dnl The linker will do no finer checks. If SONAME matches, then the couple
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dnl starts.
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dnl
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dnl Therefore a run time check is provided by libisofs function
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dnl iso_lib_version(). It returns the major, minor and micro revision of the
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dnl library. This means LIBISOFS_*_VERSION kept its second job which does not
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dnl comply to the usual ways of configure.ac . I.e. now *officially* this is
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dnl the source code release version as announced to the public. It has no
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dnl connection to SONAME or libtool version numbering.
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dnl It rather feeds the API function iso_lib_version().
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dnl
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dnl If LIBISOFS_*_VERSION changes, be sure to change AC_INIT above to match.
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dnl
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LIBISOFS_MAJOR_VERSION=1
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LIBISOFS_MINOR_VERSION=5
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LIBISOFS_MICRO_VERSION=5
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LIBISOFS_VERSION=$LIBISOFS_MAJOR_VERSION.$LIBISOFS_MINOR_VERSION.$LIBISOFS_MICRO_VERSION
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AC_SUBST(LIBISOFS_MAJOR_VERSION)
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AC_SUBST(LIBISOFS_MINOR_VERSION)
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AC_SUBST(LIBISOFS_MICRO_VERSION)
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AC_SUBST(LIBISOFS_VERSION)
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dnl Libtool versioning
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LT_RELEASE=$LIBISOFS_MAJOR_VERSION.$LIBISOFS_MINOR_VERSION
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dnl 2021.01.30 development jump has not yet happened
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dnl SONAME = 97 - 91 = 6 . Library name = libisofs.6.91.0
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LT_CURRENT=97
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LT_AGE=91
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LT_REVISION=0
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LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
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AC_SUBST(LT_RELEASE)
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AC_SUBST(LT_CURRENT)
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AC_SUBST(LT_REVISION)
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AC_SUBST(LT_AGE)
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AC_SUBST(LT_CURRENT_MINUS_AGE)
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AC_PREFIX_DEFAULT([/usr/local])
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test "$prefix" = "NONE" && prefix=$ac_default_prefix
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dnl ts B90405 : Disabled on advise of Ross Burton
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dnl AM_MAINTAINER_MODE
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AM_PROG_CC_C_O
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AC_C_CONST
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AC_C_INLINE
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dnl Large file support
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AC_SYS_LARGEFILE
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AC_FUNC_FSEEKO
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AC_CHECK_FUNC([fseeko])
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if test ! $ac_cv_func_fseeko; then
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AC_MSG_ERROR([Libisofs requires largefile support.])
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fi
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dnl If iconv(3) is in an extra lib, then it gets added to variable LIBS.
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dnl If not, then no -liconv will be added.
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LIBBURNIA_CHECK_ICONV
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dnl To abort configuration if iconv() still cannot be compiled
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LIBBURNIA_ASSERT_ICONV
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AC_PROG_LIBTOOL
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AC_SUBST(LIBTOOL_DEPS)
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# LIBTOOL="$LIBTOOL --silent"
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AC_PROG_INSTALL
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AC_CHECK_HEADERS()
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dnl Use GNU extensions if available
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AC_DEFINE(_GNU_SOURCE, 1)
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dnl Check for tm_gmtoff field in struct tm
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AC_CHECK_MEMBER([struct tm.tm_gmtoff],
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[AC_DEFINE(HAVE_TM_GMTOFF, 1,
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[Define this if tm structure includes a tm_gmtoff entry.])],
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,
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[#include <time.h>])
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dnl Check if non standard timegm() function is available
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AC_CHECK_DECL([timegm],
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[AC_DEFINE(HAVE_TIMEGM, 1, [Define this if timegm function is available])],
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,
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[#include <time.h>])
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dnl Whether timezone is an integer variable
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AH_TEMPLATE([Libburnia_timezonE], [Either timezone or 0])
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LIBBURNIA_TRY_TIMEZONE
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if test x$LIBBURNIA_TIMEZONE = xtimezone
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then
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AC_DEFINE([Libburnia_timezonE], [timezone])
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else
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AC_DEFINE([Libburnia_timezonE], [0])
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fi
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dnl Check if non standard eaccess() function is available
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AC_CHECK_DECL([eaccess],
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[AC_DEFINE(HAVE_EACCESS, 1, [Define this if eaccess function is available])],
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,
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[#include <unistd.h>])
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THREAD_LIBS=-lpthread
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AC_SUBST(THREAD_LIBS)
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TARGET_SHIZZLE
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AC_SUBST(ARCH)
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AC_SUBST(LIBBURN_ARCH_LIBS)
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dnl See if the user wants aggressive optimizations of the code
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AC_ARG_ENABLE(debug,
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[ --enable-debug Disable aggressive optimizations, default=yes],
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, enable_debug=yes)
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if test x$enable_debug != xyes; then
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if test x$GCC = xyes; then
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CFLAGS="-O3 $CFLAGS"
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CFLAGS="-fexpensive-optimizations $CFLAGS"
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fi
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CFLAGS="-DNDEBUG $CFLAGS"
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else
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if test x$GCC = xyes; then
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CFLAGS="-g -pedantic -Wall -Wextra -Wno-unused-parameter -Wno-char-subscripts $CFLAGS"
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fi
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CFLAGS="-DDEBUG $CFLAGS"
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fi
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dnl Verbose debug to make libisofs issue more debug messages
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AC_ARG_ENABLE(verbose-debug,
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[ --enable-verbose-debug Enable verbose debug messages, default=no],
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AC_DEFINE(LIBISOFS_VERBOSE_DEBUG, 1))
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dnl Determine target directory for libisofs-*.pc
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dnl Important: Must be performed _after_ TARGET_SHIZZLE
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dnl
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LIBBURNIA_SET_PKGCONFIG
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dnl Add compiler-specific flags
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AC_ARG_ENABLE(libacl,
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[ --enable-libacl Enable use of ACL functions by libisofs, default=yes],
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, enable_libacl=yes)
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LIBACL_DEF=
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has_acl_h_but_no_func=0
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if test x$LIBBURNIA_SUPP_ACL = xlibacl
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then
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if test x$enable_libacl = xyes; then
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dnl Check whether there is libacl-devel and libacl-runtime.
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dnl If not, erase this macro which would enable use of acl_to_text and others
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LIBACL_DEF="-DLibisofs_with_aaip_acL"
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dnl The empty yes case obviously causes -lacl to be linked
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AC_CHECK_HEADER(sys/acl.h, AC_CHECK_LIB(acl, acl_to_text, , has_acl_h_but_no_libacl=1 ), LIBACL_DEF= )
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if test "$has_acl_h_but_no_libacl" = 1
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then
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AC_CHECK_LIB(c, acl_to_text, X= , LIBACL_DEF= )
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fi
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fi
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fi
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if test x$LIBACL_DEF = x-DLibisofs_with_aaip_acL
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then
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if test x$has_acl_h_but_no_libacl = x1
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then
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echo "enabled local processing of ACL"
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else
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echo "enabled libacl, local processing of ACL"
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fi
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else
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echo "disabled local processing of ACL"
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fi
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AC_SUBST(LIBACL_DEF)
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dnl ts A90123 - B80508
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AC_ARG_ENABLE(xattr,
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[ --enable-xattr Enable use of extended file attributes by libisofs, default=yes],
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, enable_xattr=yes)
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AC_ARG_ENABLE(xattr_h_pref_attr,
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[ --enable-xattr-h-pref-attr Prefer include file attr/xattr.h over sys/xattr.h, default=no],
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, enable_xattr_h_pref_attr=no)
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XATTR_DEF=
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XATTR_ADDON_DEF=
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if test x"$LIBBURNIA_SUPP_FATTR" = xxattr
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then
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if test "x$enable_xattr" = xyes; then
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dnl Check whether there is the header for Linux xattr.
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dnl If not, erase this macro which would enable use of listxattr and others
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XATTR_A_DEF=
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XATTR_S_DEF=
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if test x"$enable_xattr_h_pref_attr" = xyes
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then
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echo "prefering include file attr/xattr.h over sys/attr.h"
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XATTR_A_DEF=1
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AC_CHECK_HEADER(attr/xattr.h, AC_CHECK_LIB(c, listxattr, X= ,
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XATTR_A_DEF= ), XATTR_A_DEF= )
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if test x"$XATTR_A_DEF" = x1
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then
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XATTR_DEF="-DLibisofs_with_aaip_xattR"
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else
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XATTR_S_DEF=1
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AC_CHECK_HEADER(sys/xattr.h, AC_CHECK_LIB(c, listxattr, X= ,
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XATTR_S_DEF= ), XATTR_S_DEF= )
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if test x"$XATTR_S_DEF" = x1
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then
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XATTR_DEF="-DLibisofs_with_aaip_xattR"
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XATTR_ADDON_DEF="-DLibisofs_with_sys_xattR"
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fi
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fi
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else
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XATTR_S_DEF=1
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AC_CHECK_HEADER(sys/xattr.h, AC_CHECK_LIB(c, listxattr, X= ,
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XATTR_S_DEF= ), XATTR_S_DEF= )
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if test x"$XATTR_S_DEF" = x1
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then
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XATTR_DEF="-DLibisofs_with_aaip_xattR"
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XATTR_ADDON_DEF="-DLibisofs_with_sys_xattR"
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else
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XATTR_A_DEF=1
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AC_CHECK_HEADER(attr/xattr.h, AC_CHECK_LIB(c, listxattr, X= ,
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XATTR_A_DEF= ), XATTR_A_DEF= )
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if test x"$XATTR_A_DEF" = x1
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then
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XATTR_DEF="-DLibisofs_with_aaip_xattR"
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fi
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fi
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fi
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if test x"$XATTR_S_DEF" = x1
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then
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echo "decided to include file sys/attr.h"
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elif test x"$XATTR_A_DEF" = x1
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then
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echo "decided to include file attr/xattr.h"
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fi
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fi
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elif test x"$LIBBURNIA_SUPP_FATTR" = xextattr
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then
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if test "x$enable_xattr" = xyes; then
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XATTR_DEF="-DLibisofs_with_freebsd_extattR"
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AC_CHECK_HEADER(sys/extattr.h, AC_CHECK_LIB(c, extattr_list_file, X=,
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XATTR_DEF= ), XATTR_DEF= )
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fi
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fi
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if test x$XATTR_DEF = x-DLibisofs_with_aaip_xattR
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then
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echo "enabled xattr, local processing of extended file attributes Linux style"
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elif test x$XATTR_DEF = x-DLibisofs_with_freebsd_extattR
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then
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echo "enabled extattr, local processing of extended file attributes FreeBSD style"
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else
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echo "disabled local processing of extended file attributes"
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fi
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XATTR_DEF="$XATTR_DEF $XATTR_ADDON_DEF"
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AC_SUBST(XATTR_DEF)
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dnl ts A90409
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AC_ARG_ENABLE(zlib,
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[ --enable-zlib Enable use of zlib by libisofs, default=yes],
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, enable_zlib=yes)
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if test "x$enable_zlib" = xyes; then
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dnl Check whether there is the header for zlib.
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dnl If not, erase this macro which would enable use of compress2() and others.
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dnl Linking fails on SuSE 9.0 because zlib has compress2() but lacks
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dnl compressBound(). So compressBound is the more modern thing to test.
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dnl The empty parameter after "compressBound" causes -lz.
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ZLIB_DEF="-DLibisofs_with_zliB"
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AC_CHECK_HEADER(zlib.h, AC_CHECK_LIB(z, compressBound, , ZLIB_DEF= ), ZLIB_DEF= )
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else
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ZLIB_DEF=
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fi
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AC_SUBST(ZLIB_DEF)
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dnl ts B00927
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AC_ARG_ENABLE(libjte,
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[ --enable-libjte Enable use of libjte >= 2.0 by libisofs, default=yes],
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, enable_libjte=yes)
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if test "x$enable_libjte" = xyes; then
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LIBJTE_DEF="-DLibisofs_with_libjtE"
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AC_CHECK_HEADER(libjte/libjte.h, AC_CHECK_LIB(jte, libjte_set_checksum_algorithm, , LIBJTE_DEF= ), LIBJTE_DEF= )
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else
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LIBJTE_DEF=
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fi
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AC_SUBST(LIBJTE_DEF)
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# Library versioning normally serves a complex purpose.
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# Since libisofs obeys strict ABI backward compatibility, it needs only the
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# simple feature to declare function names "global:" or "local:". Only the
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# global ones are visible to applications at library load time.
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AC_ARG_ENABLE(versioned-libs,
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[ --enable-versioned-libs Enable strict symbol encapsulation , default=yes],
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, enable_versioned_libs=yes)
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if test x$enable_versioned_libs = xyes; then
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vers_libs_test=no
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LIBISOFS_ASSERT_VERS_LIBS
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if test x$vers_libs_test = xno
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then
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echo "disabled strict symbol encapsulation (test failed)"
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else
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echo "enabled strict symbol encapsulation"
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fi
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else
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echo "disabled strict symbol encapsulation"
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fi
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AC_ARG_ENABLE(ldconfig-at-install,
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[ --enable-ldconfig-at-install On GNU/Linux run ldconfig, default=yes],
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, ldconfig_at_install=yes)
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if test x$ldconfig_at_install = xyes; then
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dummy=dummy
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else
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LIBBURNIA_LDCONFIG_CMD="echo 'NOTE: ldconfig is disabled. If needed, configure manually for:'"
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echo "disabled run of ldconfig during installation on GNU/Linux"
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fi
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AC_SUBST(LIBBURNIA_LDCONFIG_CMD)
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AC_CONFIG_FILES([
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Makefile
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doc/doxygen.conf
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version.h
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libisofs-1.pc
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])
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AC_OUTPUT
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