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AC_PREREQ(2.57)
AC_INIT([libltc], [-], [robin@gareus.org], [], [http://x42.github.com/libltc/])
AC_PATH_PROG(SED, sed, "", $PATH:/bin:/usr/bin:/usr/local/bin)
if test -z "$SED"; then
AC_MSG_ERROR([sed was not found -- sed is requied to extract version information])
fi
AC_MSG_CHECKING([libltc version])
VERSION=`$SED -ne 's/^#define LIBLTC_VERSION "\(.*\)"/\1/p' ${srcdir}/src/ltc.h 2>/dev/null`
AC_MSG_RESULT($VERSION)
if test -z "$VERSION"; then
AC_MSG_ERROR([version number can not be retrieved from src/ltc.h])
fi
VERSION_CUR=`$SED -ne 's/^#define LIBLTC_CUR *\([0-9]*\)/\1/p' ${srcdir}/src/ltc.h 2>/dev/null`
VERSION_REV=`$SED -ne 's/^#define LIBLTC_REV *\([0-9]*\)/\1/p' ${srcdir}/src/ltc.h 2>/dev/null`
VERSION_AGE=`$SED -ne 's/^#define LIBLTC_AGE *\([0-9]*\)/\1/p' ${srcdir}/src/ltc.h 2>/dev/null`
VERSION_INFO=${VERSION_CUR}:${VERSION_REV}:${VERSION_AGE}
AC_CONFIG_SRCDIR([src/ltc.c])
AC_CONFIG_TESTDIR([tests])
AC_CANONICAL_TARGET([])
AC_COPYRIGHT([Copyright (C) Robin Gareus 2006-2012])
AM_INIT_AUTOMAKE(libltc,$VERSION)
AC_CONFIG_HEADERS([src/config.h])
AC_CANONICAL_HOST
AC_PROG_INSTALL
AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_LN_S
AC_PROG_LIBTOOL
AC_LIBTOOL_WIN32_DLL
dnl *** misc complier/linker flags ***
LIBLTC_CFLAGS="-Wall"
LIBLTC_LDFLAGS="-export-symbols-regex '^(ltc_).*'"
case $target_os in
*mingw32*|*win*)
LDFLAGS="-no-undefined"
;;
*)
AC_MSG_CHECKING([if -Wl,--as-needed works])
LDFLAGS_save=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--as-needed"
AC_TRY_LINK([], [],
[
AC_MSG_RESULT([yes])
LIBLTC_LDFLAGS="$LIBLTC_LDFLAGS -Wl,--as-needed"
],
[AC_MSG_RESULT([no])])
LDFLAGS=$LDFLAGS_save
;;
esac
dnl *** check for dependencies ***
AC_CHECK_HEADERS(stdio.h stdlib.h string.h unistd.h math.h stdint.h)
dnl *** check for doxygen ***
AC_ARG_VAR(DOXYGEN, Doxygen)
AC_PATH_PROG(DOXYGEN, doxygen, no)
if test "$DOXYGEN" != "no"; then
DOXMAKE='run "make dox" to generate API html reference: doc/html/index.html'
fi
subdirs="src doc tests"
AC_SUBST(subdirs)
AC_SUBST(VERSION)
AC_SUBST(VERSION_INFO)
AC_SUBST(LIBLTC_CFLAGS)
AC_SUBST(LIBLTC_LDFLAGS)
AC_OUTPUT(Makefile src/Makefile doc/Makefile tests/Makefile ltc.pc Doxyfile)
AC_MSG_NOTICE([
libltc configured:
-----------------------
version: $VERSION
interface revision: $VERSION_INFO
doxygen: $DOXYGEN
installation prefix: $prefix
type "make" followed my "make install" as root.
run "make check" to perform selftests.
$DOXMAKE
])
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