dnl Copyright (C)  2011-2017

dnl Rocky Bernstein <rocky@gnu.org>

dnl

dnl This program is free software: you can redistribute it and/or modify

dnl it under the terms of the GNU General Public License as published by

dnl the Free Software Foundation, either version 3 of the License, or

dnl (at your option) any later version.

dnl

dnl This program is distributed in the hope that it will be useful,

dnl but WITHOUT ANY WARRANTY; without even the implied warranty of

dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

dnl GNU General Public License for more details.

dnl

dnl You should have received a copy of the GNU General Public License

dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.

define(RELEASE_NUM, 94+2)

define(PARANOIA_VERSION, 10.2)

define(LIBCDIO_PARANOIA_VERSION_STR, $1+0.$2)

AC_DEFINE([PACKAGE], [libcdio-paranoia], [cdparanoia using libcdio])

AC_PREREQ(2.69)

AC_INIT([libcdio-paranoia], [LIBCDIO_PARANOIA_VERSION_STR(PARANOIA_VERSION,RELEASE_NUM)],

			    [https://github.com/rocky/libcdio-paranoia/issues])

AC_CONFIG_SRCDIR(src/cd-paranoia.c)

AM_INIT_AUTOMAKE([foreign])

AC_CANONICAL_HOST

AM_CONFIG_HEADER(config.h)

AC_CONFIG_MACRO_DIR([m4])

AM_MISSING_PROG(HELP2MAN, help2man, $missing_dir)

AM_MISSING_PROG(GIT2CL, git2cl, $missing_dir)

AM_MAINTAINER_MODE

AM_SANITY_CHECK

AC_ARG_WITH(cd-paranoia-name,

	AC_HELP_STRING([--with-cd-paranoia-name], [name to use as the cd-paranoia program name (default cd-paranoia)]),

cd_paranoia_name="${withval}", cd_paranoia_name="cd-paranoia")

CDPARANOIA_NAME="$cd_paranoia_name"

AC_SUBST(CDPARANOIA_NAME)

AC_ARG_WITH(versioned-libs,

	AC_HELP_STRING([--without-versioned-libs], [build versioned library symbols (default enabled if you have GNU ld)]),

enable_versioned_libs="${withval}", enable_versioned_libs=yes)

AC_ARG_ENABLE(example-progs,

	AC_HELP_STRING([--disable-example-progs], [Don't build libcdio-paranoia sample programs]))

AC_ARG_ENABLE([cxx],

	AC_HELP_STRING([--disable-cxx], [Disable C++ bindings (default enabled)]))

AM_CONDITIONAL([ENABLE_CXX_BINDINGS], [test "x$enable_cxx" != "xno"])

AC_ARG_ENABLE(cpp-progs,

	AC_HELP_STRING([--enable-cpp-progs], [make C++ example programs (default enabled)]))

AM_CONDITIONAL(ENABLE_CPP, test x"$enable_cpp_progs" = "xyes")

dnl cheeck whether ld supports --version-script

AC_ARG_ENABLE(ld-version-script,

  AS_HELP_STRING([--disable-ld-version-script],

  [Disable linker vresion script for libraries (Defauilt is to use linker script if the linger supports it)]),

  [enable_version_script=$enableval],

  [enable_version_script=auto])

AM_CONDITIONAL(VERSION_SCRIPT, test "x$enable_version_script" = "xyes")

# Do we have GNU ld? If we don't, we can't build versioned symbols.

AC_ARG_ENABLE(example-progs,

	AC_HELP_STRING([--disable-example-progs], [Don't build libcdio sample programs]))

AM_CONDITIONAL(BUILD_EXAMPLES, test "x$enable_example_progs" != "xno")

AM_CONDITIONAL(BUILD_VERSIONED_LIBS, test "x$enable_versioned_libs" = "xyes")

dnl We use C

AC_PROG_CC

AM_PROG_CC_C_O

dnl We also use C++ in example programs and for CXX bindings

AC_PROG_CXX

dnl Checks for programs.

AC_AIX

AC_PROG_MKDIR_P

if test "x$GCC" != "xyes"

then

  AC_MSG_WARN([

  *** non GNU CC compiler detected.

  *** This package has not been tested very well with non GNU compilers

  *** you should try to use 'gcc' for compiling this package.])

else

  WARN_CFLAGS="-Wall -Wchar-subscripts -Wmissing-prototypes -Wmissing-declarations -Wunused -Wpointer-arith -Wwrite-strings -Wnested-externs -Wno-sign-compare"

  for WOPT in $WARN_CFLAGS; do

    SAVE_CFLAGS="$CFLAGS"

    CFLAGS="$CFLAGS $WOPT"

    AC_MSG_CHECKING([whether $CC understands $WOPT])

    AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)

    CFLAGS="$SAVE_CFLAGS"

    AC_MSG_RESULT($has_option)

    if test $has_option = yes; then

      warning_flags="$warning_flags $option"

    fi

    unset has_option

    unset SAVE_CFLAGS

  done

  WARNING_FLAGS="$warning_flags"

  unset warning_flags

fi

PKG_CHECK_MODULES(LIBCDIO, libcdio >= 0.83, [],

	[AC_MSG_ERROR(Required libcdio library not found. Please get libcdio from http://www.gnu.org/software/libcdio/ and install it.)])

AC_SUBST(LIBCDIO_LIBS)

AC_SUBST(LIBCDIO_CFLAGS)

# We use Perl for documentation and regression tests

AC_PATH_PROG(PERL, perl, false)

AC_SUBST(PERL)

AM_CONDITIONAL(HAVE_PERL, test "$PERL" != "false")

# We use a diff in regression testing

AC_PATH_PROG(DIFF, diff, no)

DIFF_OPTS=

if test "$DIFF" = no ; then

   AC_PATH_PROG(DIFF, cmp, no)

else

  # Try for GNU diff options.

  # MSDOG output uses \r\n rather than \n in tests

  for diff_opt in -w --unified ; do

    if $DIFF $diff_opt ./configure ./configure > /dev/null 2>&1; then

      AC_MSG_RESULT([adding $diff_opt to diff in regression tests])

      DIFF_OPTS="$DIFF_OPTS $diff_opt"

    fi

  done

fi

AC_SUBST(DIFF)

AC_SUBST(DIFF_OPTS)

# We use cmp, dd, and wc in cd-paranoia regression testing

AC_PATH_PROG([CMP], [cmp], [no])

AC_SUBST([CMP])

AC_PATH_PROG([DD], [dd], [no])

AC_SUBST([DD])

AC_PATH_PROG([WC], [wc], [no])

AC_SUBST([WC])

dnl headers

AC_HEADER_STDC

AC_CHECK_HEADERS(assert.h errno.h fcntl.h glob.h limits.h pwd.h)

AC_CHECK_HEADERS(stdarg.h stdbool.h stdio.h sys/cdio.h sys/param.h \

		 sys/time.h sys/timeb.h sys/utsname.h)

# FreeBSD 4 has getopt in unistd.h. So we include that before

# getopt.h

AC_CHECK_HEADERS(unistd.h getopt.h)

AC_SUBST(SBPCD_H)

AC_SUBST(TYPESIZES)

dnl compiler

AC_C_BIGENDIAN

AC_C_CONST

AC_C_INLINE

dnl ISOC99_PRAGMA

AC_MSG_CHECKING([whether $CC supports ISOC99 _Pragma()])

AC_TRY_COMPILE([],[_Pragma("pack(1)")], [

  ISOC99_PRAGMA=yes

  AC_DEFINE(HAVE_ISOC99_PRAGMA, [], [Supports ISO _Pragma() macro])

],ISOC99_PRAGMA=no)

AC_MSG_RESULT($ISOC99_PRAGMA)

##

## Check for S_ISSOCK() and S_ISLNK() macros

##

AC_MSG_CHECKING(for S_ISLNK() macro)

AC_LINK_IFELSE([AC_LANG_PROGRAM([

#ifdef HAVE_SYS_STAT_H

# include <sys/stat.h>

#endif

],[return S_ISLNK(0);])],

[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_S_ISLNK, [], [Define this <sys/stat.h> defines S_ISLNK()]) ],

[ AC_MSG_RESULT(no) ])

AC_MSG_CHECKING([for S_ISSOCK() macro])

AC_LINK_IFELSE([AC_LANG_PROGRAM([

#ifdef HAVE_SYS_STAT_H

# include <sys/stat.h>

#endif

],[return S_ISSOCK(0);])],

[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_S_ISSOCK, [], [Define this <sys/stat.h> defines S_ISSOCK()]) ],

[ AC_MSG_RESULT(no) ])

AC_MSG_CHECKING([for struct timespec])

AC_COMPILE_IFELSE([AC_LANG_PROGRAM([

#ifdef HAVE_SYS_TIME_H

#include <sys/time.h>

#endif

],[struct timespec ts;])],

[ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STRUCT_TIMESPEC, [], [Define this if you have struct timespec]) ],

[ AC_MSG_RESULT(no) ])

dnl empty_array_size

AC_MSG_CHECKING([how to create empty arrays])

empty_array_size="xxxx"

AC_TRY_COMPILE([],[struct { int foo; int bar[]; } doo;], empty_array_size="")

if test "x$empty_array_size" = "xxxx";then

 AC_TRY_COMPILE([],[struct { int foo; int bar[0]; } doo;], empty_array_size="0")

fi

if test "x$empty_array_size" = "xxxx"

then

  AC_MSG_ERROR([compiler is unable to creaty empty arrays])

else

  AC_DEFINE_UNQUOTED(EMPTY_ARRAY_SIZE, $empty_array_size,

	[what to put between the brackets for empty arrays])

  changequote(`,')

  msg="[${empty_array_size}]"

  changequote([,])

  AC_MSG_RESULT($msg)

fi

dnl Enable the creation of shared libraries under Win32.

AC_LIBTOOL_WIN32_DLL

dnl AM_PROG_LIBTOOL tests whether we have GNU ld

dnl this must come before checking --with-versioned-libs

dnl which requires GNU ld.

AM_PROG_LIBTOOL

dnl regression tests need native-style absolute paths.

dnl native_abs_top_srcdir is used here.

case $srcdir in

  .)  # We are building in place.

   native_abs_top_srcdir=$ac_pwd ;;

  [\\/]* | ?:[\\/]* )  # Absolute name.

    native_abs_top_srcdir=$srcdir ;;

  *) # Relative name.

    native_abs_top_srcdir=$ac_pwd/$srcdir ;;

esac

AC_SUBST(native_abs_top_srcdir)

dnl system

# FIXME:

# I believe some OS's require -lm, but I don't recall for what function

# When we find it, put it in below instead of "cos".

AC_CHECK_LIB(m, cos, [LIBS="$LIBS -lm"; COS_LIB="-lm"])

CFLAGS="$CFLAGS $WARN_CFLAGS"

AC_SUBST(COS_LIB)

# Linux has clock_gettime in librt

AC_CHECK_LIB(rt, clock_gettime)

if test "$with_gnu_ld" != yes; then

   AC_MSG_WARN([I don't see GNU ld. I'm going to assume --without-versioned-libs])

   enable_versioned_libs='no'

fi

# We also need GNU make to build versioned symbols.

if test "x$enable_versioned_libs" = "xyes" ; then

  if test "x$enable_version_script" = "xyes"; then

    if test -n "$MAKE" ; then

      $MAKE --version 2>/dev/null >/dev/null

      if test "$?" -ne 0 ; then

         AC_MSG_ERROR(Either set MAKE variable to GNU make or use

     --without-versioned-libs option)

      fi

    else

      make --version 2>/dev/null >/dev/null

      if test "$?" -ne 0 ; then

         AC_MSG_ERROR(Either set MAKE variable to GNU make or use

     --without-versioned-libs option)

      fi

    fi

  else

    make --version 2>/dev/null >/dev/null

    if test "$?" -ne 0 ; then

       AC_MSG_ERROR(Either set MAKE variable to GNU make or use

   --without-versioned-libs option)

    fi

  fi

fi

AM_CONDITIONAL(CYGWIN, test "x$CYGWIN" = "xyes")

dnl Checks for header files.

LIBCDIO_CDDA_LIBS='$(top_builddir)/lib/cdda_interface/libcdio_cdda.la'

LIBCDIO_PARANOIA_CFLAGS='-I$(top_builddir)/include -I$(top_srcdir)/include/'

LIBCDIO_PARANOIA_LIBS='$(top_builddir)/lib/paranoia/libcdio_paranoia.la'

AC_SUBST(LIBCDIO_CDDA_LIBS)

AC_SUBST(LIBCDIO_PARANOIA_CFLAGS)

AC_SUBST(LIBCDIO_PARANOIA_LIBS)

dnl Libtool flag for strict linkage

LT_NO_UNDEFINED=

case $host_os in

     aix*)

       ## Don't use AIX driver until starts to really work

       ## cd_drivers="${cd_drivers}, AIX"

       ## AC_DEFINE([HAVE_AIX_CDROM], [1],

       ##     [Define 1 if you have AIX CD-ROM support])

       ;;

     darwin[[6-9]].*|darwin1[[0-4]].*)

       AC_CHECK_HEADERS(IOKit/IOKitLib.h CoreFoundation/CFBase.h,

                        [have_iokit_h="yes"])

       if test "x$have_iokit_h" = "xyes" ; then

         AC_DEFINE([HAVE_DARWIN_CDROM], [1],

	      [Define 1 if you have Darwin OS X-type CD-ROM support])

	 DARWIN_PKG_LIB_HACK="-Wl,-framework,CoreFoundation -Wl,-framework,IOKit"

	 dnl Prior to Mac OS X 10.4 (Tiger), DiskArbitration was a private framework.

	 dnl It's now public, and it's needed to do cd/dvd unmount/eject.

	 AC_MSG_CHECKING([for DiskArbitration framework])

	 ac_save_LIBS="$LIBS" LIBS="$LIBS -framework CoreFoundation -framework DiskArbitration"

	 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <DiskArbitration/DiskArbitration.h>]], [[]])],

	      [have_diskarbitration_framework=yes], [have_diskarbitration_framework=no])

	 LIBS="$ac_save_LIBS"

	 AC_MSG_RESULT([$have_diskarbitration_framework])

	 if test x"$have_diskarbitration_framework" = x"yes"; then

	     AC_DEFINE([HAVE_DISKARBITRATION], 1, [Define to 1 if you have the Apple DiskArbitration framework])

	     DARWIN_PKG_LIB_HACK="$DARWIN_PKG_LIB_HACK -Wl,-framework,DiskArbitration"

	 fi

	 AC_SUBST(DARWIN_PKG_LIB_HACK)

	 LIBCDIO_LIBS="$LIBCDIO_LIBS $DARWIN_PKG_LIB_HACK"

         cd_drivers="${cd_drivers}, Darwin"

       fi

     ;;

     linux*|uclinux)

        AC_CHECK_HEADERS(linux/version.h linux/major.h)

        AC_CHECK_HEADERS(linux/cdrom.h, [have_linux_cdrom_h="yes"])

	if test "x$have_linux_cdrom_h" = "xyes" ; then

	   AC_TRY_COMPILE(,[

#include <linux/cdrom.h>

struct cdrom_generic_command test;

int has_timeout=sizeof(test.timeout);],

            [AC_DEFINE([HAVE_LINUX_CDROM_TIMEOUT], [1],

                   [Define 1 if timeout is in cdrom_generic_command struct])])

	   AC_DEFINE([HAVE_LINUX_CDROM], [1],

                     [Define 1 if you have Linux-type CD-ROM support])

	   cd_drivers="${cd_drivers}, GNU/Linux"

	fi

	;;

     bsdi*)

        AC_CHECK_HEADERS(dvd.h, [have_bsdi_dvd_h="yes"])

	if test "x$have_bsdi_dvd_h" = "xyes" ; then

     	  AC_DEFINE([HAVE_BSDI_CDROM], [1],

                    [Define 1 if you have BSDI-type CD-ROM support])

	 LIBS="$LIBS -ldvd -lcdrom"

         LIBCDIO_LIBS="$LIBCDIO_LIBS  -lcdrom"

	  cd_drivers="${cd_drivers}, BSDI"

	fi

	;;

     sunos*|sun*|solaris*)

     	AC_DEFINE([HAVE_SOLARIS_CDROM], [1],

                  [Define 1 if you have Solaris CD-ROM support])

	  cd_drivers="${cd_drivers}, Solaris"

	;;

     cygwin*)

	AC_DEFINE([CYGWIN], [1],

                  [Define 1 if you are compiling using cygwin])

     	AC_DEFINE([HAVE_WIN32_CDROM], [1],

                  [Define 1 if you have MinGW CD-ROM support])

 	LIBS="$LIBS -lwinmm"

 	LT_NO_UNDEFINED="-no-undefined"

  	cd_drivers="${cd_drivers}, MinGW"

     	AC_DEFINE([NEED_TIMEZONEVAR], [1],

                  [Define 1 if you need timezone defined to get timzone

		   defined as a variable. In cygwin it is a function too])

	;;

     mingw*)

	AC_CHECK_HEADERS(windows.h)

	AC_DEFINE([MINGW32], [1],

                  [Define 1 if you are compiling using MinGW])

     	AC_DEFINE([HAVE_WIN32_CDROM], [1],

                  [Define 1 if you have MinGW CD-ROM support])

 	LIBS="$LIBS -lwinmm"

 	LT_NO_UNDEFINED="-no-undefined"

  	cd_drivers="${cd_drivers}, MinGW "

	;;

     freebsd[[4-9]].*|freebsd10.*|dragonfly*|kfreebsd*)

     	AC_DEFINE([HAVE_FREEBSD_CDROM], [1],

                  [Define 1 if you have FreeBSD CD-ROM support])

 	LIBS="$LIBS -lcam"

  	cd_drivers="${cd_drivers}, FreeBSD "

	;;

     netbsd*|openbsd*)

     	AC_DEFINE([HAVE_NETBSD_CDROM], [1],

                  [Define 1 if you have NetBSD CD-ROM support])

 	# LIBS="$LIBS -lcam"

  	cd_drivers="${cd_drivers}, NetBSD "

	;;

     os2*)

       AC_DEFINE([HAVE_OS2_CDROM], [1],

                  [Define 1 if you have OS/2 CD-ROM support])

       LT_NO_UNDEFINED="-no-undefined"

       LDFLAGS="$LDFLAGS -Zbin-files"

       cd_drivers="${cd_drivers}, OS2 "

       ;;

     *)

	AC_MSG_WARN([Don't have OS CD-reading support for ${host_os}...])

	AC_MSG_WARN([Will use generic support.])

	;;

esac

AC_SUBST(LT_NO_UNDEFINED)

AC_SUBST(DARWIN_PKG_LIB_HACK)

LIBCDIO_PARANOIA_SOURCE_PATH="`pwd`"

AC_DEFINE_UNQUOTED(LIBCDIO_PARANOIA_SOURCE_PATH, "$LIBCDIO_SOURCE_PATH",

	[Full path to libcdio-paranoia top_sourcedir.])

AC_SUBST(LIBCDIO_PARANOIA_SOURCE_PATH)

AC_CHECK_FUNCS( [bzero chdir drand48 ftruncate geteuid getgid \

		 getuid getpwuid gettimeofday lstat memcpy memset \

		 rand seteuid setegid snprintf setenv unsetenv tzset \

		 sleep usleep vsnprintf readlink realpath gmtime_r \

		 localtime_r clock_gettime] )

dnl

dnl Output configuration files

dnl

## AC_CONFIG_FILES([  po/Makefile.in\

AC_CONFIG_FILES([

       Makefile \

       doc/Makefile \

       doc/doxygen/Doxyfile \

       doc/en/Makefile \

       doc/en/cd-paranoia.1 \

       doc/ja/Makefile \

       doc/ja/cd-paranoia.1 \

       example/Makefile \

       example/C++/Makefile \

       include/Makefile \

       include/cdio/Makefile \

       include/cdio/paranoia/Makefile \

       include/cdio/paranoia/version.h \

       lib/Makefile \

       lib/cdda_interface/Makefile \

       lib/paranoia/Makefile \

       libcdio_cdda.pc \

       libcdio_paranoia.pc \

       src/Makefile \

       src/usage.txt \

       test/data/Makefile

       test/cdda_interface/Makefile

       test/cdda_interface/toc.c

       test/Makefile

       ])

# AC_CONFIG_FILES([po/Makefile])

AC_CONFIG_FILES([test/check_paranoia.sh], [chmod +x test/check_paranoia.sh])

AC_CONFIG_FILES([test/endian.sh], [chmod +x test/endian.sh])

AC_OUTPUT

AC_MSG_NOTICE([

Building C++ programs: $(test "x$enable_cxx" != "xno" && echo yes || echo no)])