configure.in

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

# AC_PREREQ(2.61)
AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS)

AM_INIT_AUTOMAKE
AM_CONDITIONAL([am__fastdepOBJC], false)
AM_CONDITIONAL([am__fastdepCXX], false)
AC_CANONICAL_HOST

dnl Include gmake Check related definitions
builtin(include,src/confdb/check_gnu_make.m4)

#
dnl Include zlib Check related definitions
builtin(include,src/confdb/ax_check_zlib.m4)
#
dnl Include pkg-config Check
builtin(include,src/confdb/pkg.m4)
#

AC_CONFIG_SRCDIR([src/programs/VIEWER/kemoviewer_glfw_gtk.c])
# AC_CONFIG_HEADER([config.h])

AC_ARG_ENABLE(cocoa,
	[  --enable-cocoa          Use Cocoa framework],[USE_Cocoa='yes'],[USE_Cocoa='no'])
AC_MSG_RESULT(enable-cocoa... "${USE_Cocoa}")

USE_gl='yes'
USE_gtk='yes'
USE_glfw='yes'
USE_libpng='yes'
with_zlib='yes'

# Checks for programs.
AC_PROG_CC
AC_PROG_FC

if test -z ${FC}
then
	FC=${F77}
else
	F77=${FC}
fi

if test -z ${AR}
then
	ar_bin="ar"
else
	ar_bin="${AR}"
fi
AC_SUBST(ar_bin)

AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_MSG_RESULT(RANLIB... "${RANLIB}")

#GNU make check
CHECK_GNU_MAKE()
GMAKE=$_cv_gnu_make_command
AC_SUBST(GMAKE)
AC_MSG_RESULT(GNU MAKE... "${GMAKE}")

# libtool check
PKG_PROG_PKG_CONFIG

# Checks using C compiler
AC_LANG_SAVE
AC_LANG(C)
AC_LANG_RESTORE

# Checks using Fortran Compiler
AC_LANG_SAVE
AC_LANG(Fortran)
AC_LANG_RESTORE


# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h])

# Checks for typedefs, structures, and compiler characteristics.
	AC_HEADER_STDBOOL
	AC_C_CONST

# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([floor memset sqrt strrchr strtol])

# Check zlib
if test ${with_zlib} != "no"
then
	PKG_CHECK_MODULES([ZLIB], zlib, have_zlib=yes, AC_MSG_ERROR(Cannot find zlib))
	echo "have_zlib=$have_zlib"
	if test ${have_zlib} = "yes"
	then
		PKGFLAGS_ZLIB="z"
	else
		AX_CHECK_ZLIB
		if test -n "${LIBS}"
		then
			ZLIB_CFLAGS="${CPPFLAGS}"
			ZLIB_LIBS="${LDFLAGS} ${LIBS}"
		fi
	fi
	AC_SUBST(PKGFLAGS_ZLIB)
	AC_SUBST(ZLIB_CFLAGS)
	AC_SUBST(ZLIB_LIBS)
fi

# Check libpng
if test ${USE_libpng} = "yes"
then
	PKG_CHECK_MODULES([PNG], libpng, have_libpng=yes, AC_MSG_ERROR(Cannot find libpng))
	echo "have_libpng=$have_libpng"
fi
if test ${have_libpng} = "yes"
then
	PKGFLAGS_PNG="png"
else
	PKGFLAGS_PNG=""
	PNG_CFLAGS=""
	PNG_LIBS=""
fi
AC_SUBST(PKGFLAGS_PNG)
AC_SUBST(PNG_CFLAGS)
AC_SUBST(PNG_LIBS)

# Checks for Xwindow
	AC_PATH_X
	AC_PATH_XTRA
	X_LIBS="${X_LIBS} -lX11"
	AC_SUBST(X_LIBS)
	AC_SUBST(X_CFLAGS)

# Checks for Cocoa framework
if test ${USE_Cocoa} = "yes"
then
	X_LIBS="-L/usr/X11/lib -lX11"
	AC_SUBST(X_LIBS)
	
	USE_gl = "yes"
	GL_LIBS="-framework OpenGL  -framework CoreVideo  -framework IOKit -framework Cocoa"
	GL_INC="-I/usr/X11/include"
	COCOA_FLAG="-D__APPLE__"
else
	COCOA_FLAG=""
# Checks for OpenGL
	if test ${USE_gl} = "yes"
	then
		PKG_CHECK_MODULES([GL], gl, have_gl=yes, AC_MSG_ERROR(Cannot find OpenGL))
		echo "have_gl=$have_gl"
	fi
	
	if test ${have_gl} = "yes"
	then
		PKGFLAGS_GL="OpenGL"
	else
		PKGFLAGS_GL=""
	fi
fi
AC_SUBST(COCOA_FLAG)

AC_SUBST(PKGFLAGS_GL)
AC_SUBST(GL_LIBS)
AC_SUBST(GL_INC)

if test -n "${GL_LIBS}"
then
# Check GTK+3
	if test ${USE_gtk} = "yes"
	then
		PKG_CHECK_MODULES([GTK3], gtk+-3.0, have_gtk=yes, AC_MSG_ERROR(Cannot find GTK+ 3.0))
		echo "have_gtk=$have_gtk"
	fi
	
	if test ${have_gtk} = "yes"
	then
		PKGFLAGS_GTK="gtk+-3.0"
	else
		PKGFLAGS_GTK=""
	fi
else
	CXX=""
	
	PKGFLAGS_GTK=""
	GTK3_CFLAGS=""
	GTK3_LIBS=""
fi

AC_SUBST(CXX)
AC_SUBST(CXXFLAGS)

AC_SUBST(PKGFLAGS_GTK)
AC_SUBST(GTK3_CFLAGS)
AC_SUBST(GTK3_LIBS)

if test -n "${GTK3_LIBS}"
then
# Check GLFW3
	if test ${USE_glfw} = "yes"
	then
		PKG_CHECK_MODULES([GLFW], glfw3, have_glfw=yes, AC_MSG_ERROR(Cannot find GLFW))
	fi
	
	if test ${have_glfw} = "yes"
	then
		PKGFLAGS_GLFW="glfw-3"
	else
		PKGFLAGS_GLFW=""
	fi
else
	PKGFLAGS_GLFW=""
	GLFW_CFLAGS=""
	GLFW_LIBS=""
fi


AC_SUBST(PKGFLAGS_GTK)
AC_SUBST(GTK3_CFLAGS)
AC_SUBST(GTK3_LIBS)

AC_SUBST(PKGFLAGS_GLFW)
AC_SUBST(GLFW_CFLAGS)
AC_SUBST(GLFW_LIBS)

AC_MSG_RESULT()
AC_MSG_RESULT(-----   Configuration summary   -------------------------------)
AC_MSG_RESULT()
AC_MSG_RESULT(  host:        "${host}")
AC_MSG_RESULT()
if test -n "${COCOA_FLAG}"; then
        AC_MSG_RESULT(    Use Cocoa...          yes)
else
        AC_MSG_RESULT(    Use Cocoa...           no)
fi
if test -n "${X_LIBS}"; then
        AC_MSG_RESULT(    Use X Window...       yes)
else
        AC_MSG_RESULT(    Use X Window...        no)
fi
AC_MSG_RESULT()
if test -n "${ZLIB_LIBS}"; then
        AC_MSG_RESULT(    Use zlib ...          yes)
else
        AC_MSG_RESULT(    Use zlib ...           no)
fi
if test -n "${PNG_LIBS}"; then
        AC_MSG_RESULT(    Use PNG output...     yes)
else
        AC_MSG_RESULT(    Use PNG output...      no)
fi
AC_MSG_RESULT()
if test -n "${GTK3_LIBS}"; then
        AC_MSG_RESULT(    Use GTK3+...          yes)
else
        AC_MSG_RESULT(    Use GTK3+...           no)
fi
if test -n "${GLFW_LIBS}"; then
        AC_MSG_RESULT(    Use GLFW...           yes)
else
        AC_MSG_RESULT(    Use GLFW...            no)
fi
AC_MSG_RESULT()
AC_MSG_RESULT(---------------------------------------------------------------)
AC_MSG_RESULT()



AC_CONFIG_FILES([Makefile])
AC_OUTPUT