AC_INIT([camsync], m4_esyscmd([cat version.h | cut -d'"' -f2 | xargs echo -n]))dnl"

AC_CONFIG_SRCDIR([src/lv2.cc])
AM_INIT_AUTOMAKE

AC_PROG_CXX
AM_PROG_CC_C_O

LT_INIT

AC_CONFIG_HEADERS(config.h)

need_jack=no

dnl ===========================
dnl Compile with C++11 support.
dnl ===========================
AC_LANG_PUSH([C++])
TMP_CXXFLAGS="$CXXFLAGS"
CXXFLAGS=-std=c++11
AC_MSG_CHECKING([whether CXX supports -std=c++11])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
	[AC_MSG_RESULT([yes])],
	[
	 AC_MSG_RESULT([no])
	 CXXFLAGS=-std=c++0x
	 AC_MSG_CHECKING([whether CXX supports -std=c++0x])
	 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
	 	[AC_MSG_RESULT([yes])],
	 	[
	 	 AC_MSG_RESULT([no])
	 	 AC_MSG_ERROR([Compiler does not support c++11])
	 	]
	 )
]
)
CXXFLAGS="$TMP_CXXFLAGS $CXXFLAGS"
AC_LANG_POP([C++])

dnl ======================
dnl Init pkg-config
dnl ======================
PKG_PROG_PKG_CONFIG(0.23)

HUGIN_PARM="-DDISABLE_HUGIN"
AC_ARG_WITH([debug],
	AS_HELP_STRING([--with-debug], [Build with debug support]))

AS_IF([test "x$with_debug" == "xyes"],
      [AC_MSG_WARN([*** Building with debug support!])
	     CXXFLAGS="$CXXFLAGS -Wall -Werror -g"
	     HUGIN_PARM=""]
)

dnl ===========================
dnl Check for GUI backend
dnl ===========================
AC_CANONICAL_HOST
AC_ARG_ENABLE([gui],
	AS_HELP_STRING([--enable-gui[=backend]], [Use specified gui backend. Can be win32, x11, pugl or auto [default=auto]]),,
        [enable_gui="auto"])

AS_IF([test "x$enable_gui" = "xyes"], [enable_gui="auto"])

AS_IF([test "x$enable_gui" = "xauto"],
      [AC_MSG_RESULT([Auto setting gui based on host: $host_os])
	     AS_CASE([$host_os],
		      [darwin*], [enable_gui=""],
		      [linux*|*BSD*], [enable_gui="x11"],
		      [mingw*|windows*|winnt|cygwin], [enable_gui="win32"],

		      AC_MSG_ERROR([Your platform is not currently supported])
	     )]
)

AS_IF(
  [test "x$enable_gui" = "xx11"],
  [AC_MSG_RESULT([Setting gui backend to X11])
  dnl ======================
  dnl Check for Xlib
  dnl ======================
  PKG_CHECK_MODULES(X11, x11 >= 1.0)

  GUI_CFLAGS="-DX11 $X11_CFLAGS"
  GUI_LIBS="$X11_LIBS"],

  [test "x$enable_gui" = "xwin32"],
  [AC_MSG_RESULT([Setting gui backend to Win32])
  GUI_CFLAGS="-DWIN32"
  GUI_LIBS="-lgdi32 -lsetupapi -lws2_32"],

  [test "x$enable_gui" = "xpugl"],
  [AC_MSG_RESULT([Setting gui backend to Pugl])
  GUI_CFLAGS="-DPUGL -I../../pugl"
  GUI_LIBS="-lGLU -lGL -lglut"],

  AC_MSG_ERROR([*** No GUI backend has been selected ***])
)

AC_SUBST(GUI_CFLAGS)
AC_SUBST(GUI_LIBS)

AM_CONDITIONAL([ENABLE_PUGL], [test "x$enable_gui" = "xpugl"])

# dnl ======================
# dnl Compile unit tests
# dnl ======================
# AC_ARG_WITH([test],
# 	AS_HELP_STRING([--with-test], [Build unit tests]))
#
# AS_IF([test x$with_test == xyes],
#       [AC_MSG_WARN([*** Building unittests!])
#        AM_PATH_CPPUNIT(1.9.6)]
# )

dnl ======================
dnl Compile LV2 plugin
dnl ======================
AC_ARG_ENABLE([lv2],
	AS_HELP_STRING([--enable-lv2], [Compile the LV2 plugin [default=no]]),,
        [enable_lv2="no"])

AS_IF(
  [test "x$enable_lv2" = "xyes"],
  [enable_lv2=yes
  dnl ======================
  dnl Check for lv2core
  dnl ======================
  PKG_CHECK_MODULES(LV2, lv2 >= 1.0)],

  [AC_MSG_RESULT([*** LV2 plugin will not be compiled ***])
   enable_lv2=no]
)

AM_CONDITIONAL([ENABLE_LV2], [test "x$enable_lv2" = "xyes"])

# dnl ======================
# dnl Compile VST plugin
# dnl ======================
# AC_ARG_WITH([vst_sources],
# 	AS_HELP_STRING([--with-vst-sources], [Point this to the vstsdk24 directory]))
# AC_ARG_ENABLE([vst],
# 	AS_HELP_STRING([--enable-vst], [Compile the VST plugin [default=no]]),,
#         [enable_vst="no"])
#
# AS_IF(
#   [test "x$enable_vst" = "xyes"],
#   [enable_vst=yes
#   VST_CPPFLAGS="-I$with_vst_sources -D__int64='long long int'"
#   VST_SOURCE_PATH="$with_vst_sources"
#   AC_SUBST(VST_SOURCE_PATH)
#   AC_SUBST(VST_CPPFLAGS)
#   AC_CONFIG_FILES(vst/Makefile.mingw32)],
#
#   [AC_MSG_RESULT([*** VST plugin will not be compiled ***])
#    enable_vst=no]
# )
#
# AM_CONDITIONAL([ENABLE_VST], [test "x$enable_vst" = "xyes"])


dnl ======================
dnl Compile AU plugin
dnl ======================
#AC_ARG_ENABLE([au],
#[  --enable-au   Compile the audio units plugin [default=no]],,
#        [enable_au="no"])
#if test "x$enable_au" = "xyes"; then
#	 enable_au=yes
#else
#	 AC_MSG_RESULT([*** Audio Units plugin will not be compiled ***])
#   enable_au=no
#fi
#AM_CONDITIONAL([ENABLE_AU], [test "x$enable_au" = "xyes"])

dnl ======================
dnl Check for sndfile
dnl ======================
PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0.20)

#dnl ======================
#dnl Check for zlib
#dnl ======================
PKG_CHECK_MODULES(ZLIB, zlib >= 1.2.3)

dnl ======================
dnl Check for the pthread library
dnl ======================
tmp_CXXFLAGS="$CXXFLAGS"
tmp_CPPFLAGS="$CPPFLAGS"
tmp_CFLAGS="$CFLAGS"
tmp_LDFLAGS="$LDFLAGS"
tmp_LIBS="$LIBS"
CXXFLAGS=""
CPPFLAGS=""
CFLAGS=""
LDFLAGS=""
LIBS=""
AC_CHECK_HEADER(pthread.h, , AC_MSG_ERROR([*** pthread header file not found!]))
AC_CHECK_LIB(pthread,  pthread_mutex_init, , AC_MSG_ERROR([*** pthread library not found!]))
PTHREAD_CFLAGS="$CXXFLAGS $CPPFLAGS $CFLAGS"
PTHREAD_LIBS="$LDFLAGS $LIBS"
CXXFLAGS="$tmp_CXXFLAGS"
CPPFLAGS="$tmp_CPPFLAGS"
CFLAGS="$tmp_CFLAGS"
LDFLAGS="$tmp_LDFLAGS"
LIBS="$tmp_LIBS"
AC_SUBST(PTHREAD_CFLAGS)
AC_SUBST(PTHREAD_LIBS)

dnl ======================
dnl Check for eXpat library
dnl ======================
tmp_CXXFLAGS="$CXXFLAGS"
tmp_CPPFLAGS="$CPPFLAGS"
tmp_CFLAGS="$CFLAGS"
tmp_LDFLAGS="$LDFLAGS"
tmp_LIBS="$LIBS"
CXXFLAGS=""
CPPFLAGS=""
CFLAGS="$EXPAT_CFLAGS"
LDFLAGS="$EXPAT_LDFLAGS"
LIBS=""
AC_CHECK_HEADER(expat.h, , AC_MSG_ERROR([*** eXpat header file not found!]))
AC_CHECK_LIB(expat, XML_ParserCreate, , AC_MSG_ERROR([*** eXpat library not found!]))
EXPAT_CFLAGS="$CXXFLAGS $CPPFLAGS $CFLAGS"
EXPAT_LIBS="$LDFLAGS $LIBS"
CXXFLAGS="$tmp_CXXFLAGS"
CPPFLAGS="$tmp_CPPFLAGS"
CFLAGS="$tmp_CFLAGS"
LDFLAGS="$tmp_LDFLAGS"
LIBS="$tmp_LIBS"
AC_SUBST(EXPAT_CFLAGS)
AC_SUBST(EXPAT_LIBS)

AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(CXXFLAGS)
AC_SUBST(LDFLAGS)

AC_CONFIG_FILES(
	Makefile
	tools/Makefile
	src/Makefile
	plugingui/Makefile)

AC_OUTPUT()