#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.59)
AC_INIT(libcvautomation, 1.3, bspeice@uncc.edu)
#AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE


#path intelc110		/opt/coe/intelc110
# Checks for programs.
AC_PROG_CC

AC_PROG_LIBTOOL
AM_PROG_LIBTOOL

# Checks for libraries.
#AC_CHECK_LIB(cv, cvMatchTemplate)
#AC_CHECK_LIB(cv, cvMinMaxLoc)
#AC_CHECK_LIB(X11, XGetImage)

# Checks for header files.
AC_PATH_X
#Headers needed for libcvautomation
#AC_CHECK_HEADER(stdio.h)
#AC_CHECK_HEADER(opencv/cv.h)
#AC_CHECK_HEADER(opencv/highgui.h)
#AC_CHECK_HEADER(X11/Xlib.h)
#AC_CHECK_HEADER(X11/Xutil.h)

#Configure OpenCV - version 2+ breaks a lot of things
PKG_CHECK_MODULES([OpenCV], [opencv >= 2.0.0], [use_opencv2=true], [use_opencv1=true])
AM_CONDITIONAL(USEOPENCV2, [test "$use_opencv2" != ""])
#Let doxygen know where our headers are at
AC_SUBST(CV_VERSION, "opencv2")
if test "$use_opencv1" != ""; then
	echo "could not find OpenCV version 2.0.0 or higher, checking for 1.0.0 or higher..."
	PKG_CHECK_MODULES([OpenCV], [opencv >= 1.0.0])
	#Update doxygen on where our headers are at
	AC_SUBST(CV_VERSION, "opencv1")
fi
AC_SUBST(CV_CFLAGS, [`pkg-config --cflags opencv`])
AC_SUBST(CV_LIBS, [`pkg-config --libs opencv`])

PKG_CHECK_MODULES([X11], [x11 >= 1.0.3])
AC_SUBST(X11_CFLAGS, [`pkg-config --cflags x11`])
AC_SUBST(X11_LIBS, [`pkg-config --libs x11`])

PKG_CHECK_MODULES([XTest], [xtst >= 0.21])
AC_SUBST(XTEST_CFLAGS, [`pkg-config --cflags xtst`])
AC_SUBST(XTEST_LIBS, [`pkg-config --libs xtst`])

AC_ARG_WITH(examples, [  --with-examples         build example programs @<:@default=yes@:>@])

AM_CONDITIONAL(BUILD_EXAMPLES, [test "$with_examples" != "no"])
if test "$with_examples" != "no"; then
	#Headers needed for cva-match
	AC_CHECK_HEADERS([limits.h stdlib.h unistd.h])
fi

# Check for doxygen
AC_ARG_WITH(docs, [  --with-docs             build documentation for libcvautomation @<:@default=no@:>@])
AC_ARG_ENABLE(man, [  --enable-man            enable building the 'man' pages for libcvautomation
                            only works if --with-docs is enabled @<:@default=enable@:>@])
AC_ARG_ENABLE(tex, [  --enable-tex            enable building the 'latex' pages for libcvautomation
                            only works if --with-docs is enabled @<:@default=disable@:>@])

if test "$with_docs" == "yes"; then
	AC_CHECK_PROGS([Doxygen], [doxygen], [missing])

	if test "$Doxygen" == "missing"; then
		AC_MSG_WARN([Doxygen not found - continuing without building documentation.])
		AM_CONDITIONAL(BUILD_DOXYGEN, [test "$Doxygen" != "missing"]) #false
		enable_man="no"
		enable_tex="no"
	else
		AM_CONDITIONAL(BUILD_DOXYGEN, [test "$with_docs" == "yes"])
		AC_CONFIG_FILES([docs/Doxyfile])
	fi
else
	AM_CONDITIONAL(BUILD_DOXYGEN, [test "$with_docs" == "yes"]) #false
	enable_man="no"
	enable_tex="no"
fi

#Check if we should generate man pages
if test "$enable_man" != "no"; then
	AC_SUBST(ENABLE_MAN, YES)
	AM_CONDITIONAL(BUILD_MAN, [test "$enable_man" != "no"])
else
	AC_SUBST(ENABLE_MAN, NO)
	AM_CONDITIONAL(BUILD_MAN, [test "$enable_man" != "no"]) #false
fi

#Check if we should build Tex pages
if test "$enable_tex" == "yes"; then
	AC_SUBST(ENABLE_TEX, YES)
	AM_CONDITIONAL(BUILD_TEX, [test "$enable_tex" == "yes"])
else
	AC_SUBST(ENABLE_TEX, NO)
	AM_CONDITIONAL(BUILD_TEX, [test "$enable_tex" == "yes"]) #false
fi

# Checks for library functions.
AC_FUNC_MALLOC

AC_OUTPUT(
[Makefile]
[libcvautomation/Makefile]
[examples/Makefile]
[docs/Makefile]
[libcvautomation.pc]
[rpm/libcvautomation.spec]
)