164 lines
4.9 KiB
Plaintext
164 lines
4.9 KiB
Plaintext
AC_INIT([libburn], [0.4.1], [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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AM_INIT_AUTOMAKE([subdir-objects])
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dnl Note by ts A71207:
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dnl
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dnl BURN_MICRO_VERSION is _not_ the third component Z of libburn-X.Y.Z
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dnl but an eternal counter which leads to CURRENT. This misunderstanding
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dnl caused a messed up sequence of CURRENTs.
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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 libburn.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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dnle AGE = LT_AGE
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dnl
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dnl In the past the following CURRENTs of libburn have been released.
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dnl All with AGE=0.
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dnl 0.2.2 = 2 , 0.2.3 = 3 , 0.2.6 = 6
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dnl 0.3.0 = 0 , 0.3.2 = 2 , 0.3.4 = 4 . 0.3.6 = 6 , 0.3.8 = 4
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dnl 0.4.0 = 0
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dnl
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dnl Beginning with libburn-0.4.1 a rectified counting was introduced as
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dnl CURRENT=10, REV=1, AGE=6
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dnl This rectification declared the current version
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dnl to be binary compatible down to libburn-0.3.4.
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dnl Real backward compatibility is given down to libburn-0.3.2.
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dnl Beware of libburn-0.2.6 which had CURRENT=6.
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dnl
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dnl CURRENT=10, REV=0, AGE=6 would be appropriate for libburn-0.4.0
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dnl but was not issued, regreattably.
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dnl
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dnl If libburn-0.4.0 gets patched, its CURRENT will become 10, AGE 6, and
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dnl REV will be set to one higher than the highest REV of CURRENT 10.
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dnl If libburn-0.4.1 is still on CURRENT 10 then its REV gets set one higher
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dnl than that.
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dnl As soon as 0.4.1 becomes upwardly incompatible, it shall become 11,0,7.
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dnl From then on it counts REV independently of libburn-0.4.0.
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dnl Whether 0.4.1 alters independent REV at all, is not decided yet.
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dnl It may well stay 0 until a release version joins CURRENT 11.
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dnl
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dnl Under the preconditions
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dnl CURRENT= $BURN_MICRO_VERSION - $BURN_INTERFACE_AGE
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dnl REV= $BURN_INTERFACE_AGE
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dnl AGE= $BURN_BINARY_AGE
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dnl the following old instructions were reasonable. Their drawback
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dnl is that they cause large jumps in CURRENT, when BURN_INTERFACE_AGE gets
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dnl reset to 0 from a high value. So this is outdated now:
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dnl ---------------------------------------------------------------------------
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dnl .Making releases:
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dnl . BURN_MICRO_VERSION += 1;
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dnl . BURN_INTERFACE_AGE += 1;
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dnl . BURN_BINARY_AGE += 1;
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dnl .if any functions have been added, set BURN_INTERFACE_AGE to 0.
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dnl .if backwards compatibility has been broken,
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dnl .set BURN_BINARY_AGE and BURN_INTERFACE_AGE to 0.
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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
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dnl Instead, LT_CURRENT, LT_REVISION and LT_AGE get set directly now.
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dnl If BURN_VERSION changes, be sure to change AC_INIT above to match.
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dnl
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BURN_MAJOR_VERSION=0
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BURN_MINOR_VERSION=4
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BURN_DEV_VERSION=1
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BURN_VERSION=$BURN_MAJOR_VERSION.$BURN_MINOR_VERSION.$BURN_DEV_VERSION
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AC_SUBST(BURN_MAJOR_VERSION)
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AC_SUBST(BURN_MINOR_VERSION)
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AC_SUBST(BURN_DEV_VERSION)
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AC_SUBST(BURN_VERSION)
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dnl Libtool versioning
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# LT_RELEASE=$BURN_MAJOR_VERSION.$BURN_MINOR_VERSION
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LT_RELEASE=$BURN_MAJOR_VERSION.$BURN_MINOR_VERSION.$BURN_DEV_VERSION
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LT_CURRENT=10
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LT_REVISION=1
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LT_AGE=6
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LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
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AC_SUBST(LT_RELEASE)
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AC_SUBST(LT_CURRENT)
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AC_SUBST(LT_REVISION)
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AC_SUBST(LT_AGE)
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AC_SUBST(LT_CURRENT_MINUS_AGE)
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# ts A71207: This is done only not to break any old components
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BURN_INTERFACE_AGE=$LT_REVISION
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BURN_BINARY_AGE=`expr $LT_AGE + $BURN_INTERFACE_AGE`
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BURN_MICRO_VERSION=`expr $LT_CURRENT + $BURN_INTERFACE_AGE`
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AC_SUBST(BURN_MICRO_VERSION)
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AC_SUBST(BURN_INTERFACE_AGE)
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AC_SUBST(BURN_BINARY_AGE)
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AC_PREFIX_DEFAULT([/usr/local])
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test "$prefix" = "NONE" && prefix=$ac_default_prefix
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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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AC_C_BIGENDIAN
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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 ! $ac_cv_func_fseeko; then
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AC_ERROR([Libburn requires largefile support.])
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fi
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AC_PROG_LIBTOOL
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AC_SUBST(LIBTOOL_DEPS)
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LIBTOOL="$LIBTOOL --silent"
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AC_PROG_INSTALL
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AC_CHECK_HEADERS()
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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 Add compiler-specific flags
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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="$CFLAGS -O3"
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CFLAGS="$CFLAGS -fexpensive-optimizations"
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fi
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CFLAGS="$CFLAGS -DNDEBUG"
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else
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if test x$GCC = xyes; then
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CFLAGS="$CFLAGS -g -pedantic -Wall"
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fi
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CFLAGS="$CFLAGS -DDEBUG"
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fi
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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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libburn-5.pc
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])
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AC_OUTPUT
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