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369 lines
12 KiB
Plaintext
369 lines
12 KiB
Plaintext
AC_INIT([libburn], [1.4.7], [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 Notes about version numbers and .so numbers:
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dnl
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dnl Regrettably the meaning of the various version types was misunderstood
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dnl before version 0.4.1.
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dnl
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dnl In the past MAJOR.MINOR.MICRO versions led to the following SONAME numbers:
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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 (also released as SONAME 4)
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dnl
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dnl Meanwhile the following schemes are maintained in parallel:
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dnl
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dnl BURN_MAJOR_VERSION , BURN_MINOR_VERSION , BURN_MICRO_VERSION
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dnl are three small non-negative integers which describe the evolution
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dnl steps of the library.
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dnl Older applications are able to use younger libraries over
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dnl quite a long range of such steps. Some day, nevertheless,
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dnl compatibility might get terminated, after due notice.
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dnl
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dnl SONAME (libburn.so.4)
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dnl is a small positive integer which marks a family of compatible
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dnl evolution steps. Libraries with a particular SONAME allow a binary
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dnl with the same SONAME to start up. Any further compatibility check is to
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dnl be done by own runtime means. Especially *_version() calls in the API
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dnl which return BURN_MAJOR_VERSION, BURN_MINOR_VERSION, BURN_MICRO_VERSION.
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dnl See below.
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dnl
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dnl CURRENT, AGE, REVISION
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dnl are three integers used by libtool. CURRENT is positive, the others
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dnl non-negative. The use at runtime is not known yet. But libtool computes
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dnl at build time SONAME = CURRENT - AGE.
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dnl So this is a superspace of the SONAME version space. To avoid
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dnl ill SONAME, the value of CURRENT must be larger than AGE.
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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 On Linux the name of the dynamic library will be
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dnl libburn.so.$SONAME.$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 AGE = LT_AGE
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dnl REVISION= LT_REVISION
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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, REVISION=1, AGE=6
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dnl This rectification declared that version to be binary compatible up
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dnl from libburn-0.3.4.
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dnl Real compatibility was given since libburn-0.3.2.
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dnl Beware of libburn-0.2.6 which had SONAME=6 and is not binary compatible.
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dnl Applications for libburn-0.2 to libburn-0.3.1 need recompilation but no
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dnl source code changes.
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dnl
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dnl Neatly versioned stable releases meanwhile:
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dnl 0.4.2 = libburn.so.4.7.0
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dnl 0.4.4 = libburn.so.4.9.0
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dnl 0.4.6 = libburn.so.4.11.0
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dnl 0.4.8 = libburn.so.4.13.0
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dnl 0.5.0 = libburn.so.4.15.0
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dnl 0.5.2 = libburn.so.4.17.0
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dnl 0.5.4 = libburn.so.4.19.0
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dnl 0.5.6 = libburn.so.4.21.0
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dnl 0.5.8 = libburn.so.4.23.0
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dnl 0.6.0 = libburn.so.4.25.0
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dnl 0.6.2 = libburn.so.4.27.0
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dnl 0.6.4 = libburn.so.4.29.0
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dnl 0.6.6 = libburn.so.4.31.0
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dnl 0.6.8 = libburn.so.4.33.0
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dnl 0.7.0 = libburn.so.4.35.0
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dnl 0.7.2 = libburn.so.4.37.0
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dnl 0.7.4 = libburn.so.4.39.0
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dnl 0.7.6 = libburn.so.4.41.0
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dnl 0.7.8 = libburn.so.4.43.0
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dnl 0.8.0 = libburn.so.4.45.0
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dnl 0.8.2 = libburn.so.4.47.0
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dnl 0.8.4 = libburn.so.4.49.0
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dnl 0.8.6 = libburn.so.4.51.0
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dnl 0.8.8 = libburn.so.4.53.0
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dnl 0.9.0 = libburn.so.4.55.0
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dnl 1.0.0 = libburn.so.4.57.0
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dnl 1.0.2 = libburn.so.4.59.0
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dnl 1.0.4 = libburn.so.4.61.0
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dnl 1.0.6 = libburn.so.4.63.0
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dnl 1.1.0 = libburn.so.4.65.0
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dnl 1.1.4 = libburn.so.4.67.0
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dnl 1.1.6 = libburn.so.4.69.0
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dnl 1.1.8 = libburn.so.4.71.0
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dnl 1.2.0 = libburn.so.4.73.0
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dnl 1.2.2 = libburn.so.4.75.0
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dnl 1.2.4 = libburn.so.4.77.0
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dnl 1.2.6 = libburn.so.4.79.0
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dnl 1.2.8 = libburn.so.4.81.0
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dnl 1.3.0 = libburn.so.4.83.0
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dnl 1.3.2 = libburn.so.4.85.0
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dnl 1.3.4 = libburn.so.4.87.0
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dnl 1.3.6 = libburn.so.4.89.0
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dnl 1.3.8 = libburn.so.4.91.0
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dnl 1.4.0 = libburn.so.4.93.0
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dnl 1.4.2 = libburn.so.4.95.0
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dnl 1.4.4 = libburn.so.4.97.0
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dnl 1.4.6 = libburn.so.4.99.0
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dnl
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dnl So LT_CURRENT, LT_REVISION and LT_AGE get set directly here.
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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. Especially no age range check for
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dnl the application binary. If SONAME matches, then the couple starts.
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dnl
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dnl Therefore at run time info is provided by libburn function burn_version().
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dnl It returns the major, minor and micro revision of the library.
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dnl Before using any API feature, a program should check for age.
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dnl
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dnl The variables BURN_*_VERSION are mere copies for informing libtool.
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dnl The true values which get issued and should be compared are macros
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dnl defined in libburn/libburn.h .
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dnl
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dnl Normally one can allow a program to run with a library which passed the
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dnl linker SONAME test and which is not older than the library it was
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dnl developed for. Library2 is younger than library1 if:
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dnl major2>major1 || (major2==major1 &&
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dnl (minor2>minor1 || (minor2==minor1 && micro2 > micro1)))
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dnl
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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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dnl As said: Only copies. Original in libburn/libburn.h : burn_header_version_*
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BURN_MAJOR_VERSION=1
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BURN_MINOR_VERSION=4
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BURN_MICRO_VERSION=7
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BURN_VERSION=$BURN_MAJOR_VERSION.$BURN_MINOR_VERSION.$BURN_MICRO_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_MICRO_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.$BURN_MICRO_VERSION
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dnl
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dnl ### This is the release version libburn-1.4.6
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dnl This is the development version after above release version
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dnl LT_CURRENT++, LT_AGE++ has not yet happened.
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dnl ### LT_CURRENT++, LT_AGE++ has happened meanwhile.
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dnl
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dnl SONAME = 103 - 99 = 4 . Linux library name = libburn.so.4.99.0
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LT_CURRENT=103
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LT_AGE=99
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LT_REVISION=0
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LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
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AC_SUBST(LT_RELEASE)
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AC_SUBST(LT_CURRENT)
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AC_SUBST(LT_REVISION)
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AC_SUBST(LT_AGE)
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AC_SUBST(LT_CURRENT_MINUS_AGE)
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dnl ts A71207: This is done only not to break any old components
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BURN_INTERFACE_AGE=$LT_REVISION
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BURN_BINARY_AGE=`expr $LT_AGE + $BURN_INTERFACE_AGE`
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AC_SUBST(BURN_INTERFACE_AGE)
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AC_SUBST(BURN_BINARY_AGE)
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AC_PREFIX_DEFAULT([/usr/local])
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test "$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(LIBBURNIA_PKGCONFDIR)
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AC_SUBST(LIBBURN_ARCH_LIBS)
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dnl ts A90303
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dnl Check the preconditions for using statvfs() in sg-dummy
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dnl (sg-linux and sg-freebsd use statvfs() unconditionally)
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STATVFS_DEF=-DLibburn_os_has_statvfS
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AC_CHECK_HEADER(sys/statvfs.h, X=, STATVFS_DEF=)
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AC_CHECK_FUNC([statvfs], X=, STATVFS_DEF=)
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dnl If this would be done more specifically in Makefile.am
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dnl via libburn_libburn_la_CFLAGS then undesired .o file names would emerge
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CFLAGS="$STATVFS_DEF $CFLAGS"
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dnl ts A91122
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AC_ARG_ENABLE(track-src-odirect,
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[ --enable-track-src-odirect Enable use of O_DIRECT with track input, default=no],
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, enable_track_src_odirect=no)
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if test x$enable_track_src_odirect = xyes; then
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LIBBURN_O_DIRECT_DEF="-DLibburn_read_o_direcT"
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echo "enabled use of O_DIRECT with track input"
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else
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LIBBURN_O_DIRECT_DEF=
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echo "disabled use of O_DIRECT with track input"
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fi
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dnl Avoid the need for libburn_libburn_la_CFLAGS in Makefile.am (ugly .o names)
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dnl ### AC_SUBST(LIBBURN_O_DIRECT_DEF)
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CFLAGS="$LIBBURN_O_DIRECT_DEF $CFLAGS"
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dnl ts A91116
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AC_ARG_ENABLE(dvd-obs-64k,
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[ --enable-dvd-obs-64k 64 KB default size for DVD writing, default=no],
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, enable_dvd_obs_64k=no)
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if test x$enable_dvd_obs_64k = xyes; then
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LIBBURN_DVD_OBS_64K="-DLibburn_dvd_obs_default_64K"
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echo "enabled write size default 64 KB on DVD"
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else
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LIBBURN_DVD_OBS_64K=
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echo "disabled write size default 64 KB on DVD"
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fi
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CFLAGS="$LIBBURN_DVD_OBS_64K $CFLAGS"
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dnl ts B20413
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AC_ARG_ENABLE(dvd-obs-pad,
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[ --enable-dvd-obs-pad pad DVD DAO sessions to 32 or 64 KB, default=no],
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, enable_dvd_obs_pad=no)
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if test x$enable_dvd_obs_pad = xyes; then
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LIBBURN_DVD_OBS_PAD="-DLibburn_dvd_always_obs_paD"
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echo "enabled padding of DVD DAO sessions to 32 or 64 KB"
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else
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LIBBURN_DVD_OBS_64K=
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echo "disabled padding of DVD DAO sessions to 32 or 64 KB"
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fi
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CFLAGS="$LIBBURN_DVD_OBS_PAD $CFLAGS"
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dnl ts A91218 - B21002
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case $host_os in
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cygwin*|mingw*)
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default_libcdio=yes
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;;
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*)
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default_libcdio=no
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;;
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esac
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# Check for proper library versions if this is desired.
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# (It fails too often on too many systems.)
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AC_ARG_ENABLE(pkg-check-modules,
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[ --enable-pkg-check-modules Enable pkg-config check for libcdio , default=no],
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, enable_pkg_check_modules=no)
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AC_ARG_ENABLE(libcdio,
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[ --enable-libcdio Enable use of libcdio as system adapter, default=no (except on MSWindows)],
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, enable_libcdio=$default_libcdio)
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PKG_PROG_PKG_CONFIG
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if test x$enable_libcdio = xyes; then
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dnl Check whether there is libcdio-devel and libcdio-runtime.
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dnl If not, erase this macro
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LIBCDIO_DEF="-DLibburn_use_libcdiO"
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dnl The empty yes case obviously causes -lcdio to be linked
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AC_CHECK_HEADER(cdio/cdio.h, AC_CHECK_LIB(cdio, mmc_last_cmd_sense, , LIBCDIO_DEF= ), LIBCDIO_DEF= )
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else
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LIBCDIO_DEF=
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fi
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if test x$LIBCDIO_DEF = x
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then
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if test x$enable_libcdio = xyes
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then
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echo "WARNING: could not enable use of libcdio as system adapter"
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fi
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else
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echo "enabled use of libcdio as system adapter"
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CFLAGS="$LIBCDIO_DEF $CFLAGS"
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if test x$enable_pkg_check_modules = xyes; then
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LIBCDIO_REQUIRED=0.83
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PKG_CHECK_MODULES(LIBCDIO, libcdio >= $LIBCDIO_REQUIRED)
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else
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echo "checking for LIBCDIO... skipped, no --enable-pkg-check-modules"
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fi
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fi
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dnl ts B00704
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# Library versioning normally serves a complex purpose.
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# Since libburn obeys strict ABI backward compatibility, it needs only the
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# simple feature to declare function names "global:" or "local:". Only the
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# global ones are visible to applications at library load time.
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AC_ARG_ENABLE(versioned-libs,
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[ --enable-versioned-libs Enable strict symbol encapsulation , default=yes],
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, enable_versioned_libs=yes)
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if test x$enable_versioned_libs = xyes; then
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vers_libs_test=no
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LIBBURN_ASSERT_VERS_LIBS
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if test x$vers_libs_test = xno
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then
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echo "disabled strict symbol encapsulation (test failed)"
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else
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echo "enabled strict symbol encapsulation"
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fi
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else
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echo "disabled strict symbol encapsulation"
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fi
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# Check for system dependent mandatory libraries (LIBBURN_ARCH_LIBS)
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LIBBURNIA_CHECK_ARCH_LIBS(mandatory)
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AC_ARG_ENABLE(ldconfig-at-install,
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[ --enable-ldconfig-at-install On GNU/Linux run ldconfig, default=yes],
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, ldconfig_at_install=yes)
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if test x$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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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="-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 Determine target directory for libburn-*.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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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-1.pc
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])
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AC_OUTPUT
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