# src/CMakeLists.txt for PLplot
###
### Process this file with cmake to produce Makefile
###
# Copyright (C) 2006 Alan W. Irwin
#
# This file is part of PLplot.
#
# PLplot is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; version 2 of the License.
#
# PLplot is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with PLplot; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA

set(plplot${LIB_TAG}_LIB_SRCS
  pdfutils.c
  plaffine.c
  plarc.c
  plargs.c
  plbox.c
  plcont.c
  plcore.c
  plctrl.c
  plcvt.c
  pldeprecated.c
  pldtik.c
  plf2ops.c
  plfill.c
  plfreetype.c
  plgradient.c
  plhist.c
  plimage.c
  plline.c
  plmap.c
  plot3d.c
  plpage.c
  plsdef.c
  plshade.c
  plstdio.c
  plstripc.c
  plsym.c
  pltick.c
  plvpor.c
  plwind.c
  plbuf.c
  plgridd.c
  plvect.c
  mt19937ar.c
  pltime.c
  pllegend.c
  )
if(LTDL_WIN32)
  set(plplot${LIB_TAG}_LIB_SRCS ${plplot${LIB_TAG}_LIB_SRCS} ltdl_win32.c)
endif(LTDL_WIN32)

if(BUILD_SHARED_LIBS)
  SET_SOURCE_FILES_PROPERTIES(${plplot${LIB_TAG}_LIB_SRCS}
    PROPERTIES COMPILE_FLAGS "-DUSINGDLL" )
endif(BUILD_SHARED_LIBS)

option(HERSHEY_FALLBACK "Hershey fallback for Unicode fonts" ON)

if(NOT HERSHEY_FALLBACK)
  get_source_file_property(PLSYM_COMPILE_PROPS plsym.c COMPILE_FLAGS)
  if(NOT PLSYM_COMPILE_PROPS)
    set(PLSYM_COMPILE_PROPS)
  endif(NOT PLSYM_COMPILE_PROPS)
  set_source_files_properties(
    plsym.c
    PROPERTIES COMPILE_FLAGS "${PLSYM_COMPILE_PROPS} -DPL_TEST_FOR_MISSING_GLYPHS"
    )
endif(NOT HERSHEY_FALLBACK)

if(ENABLE_DYNDRIVERS)
  get_source_file_property(PLCORE_COMPILE_PROPS plcore.c COMPILE_FLAGS)
  # Deal with NOTFOUND case.
  if(NOT PLCORE_COMPILE_PROPS)
    set(PLCORE_COMPILE_PROPS)
  endif(NOT PLCORE_COMPILE_PROPS)
  set_source_files_properties(
    plcore.c
    PROPERTIES COMPILE_FLAGS "${PLCORE_COMPILE_PROPS} -I${LTDL_INCLUDE_DIR}"
    )
else(ENABLE_DYNDRIVERS)
  if(ENABLE_tcl)
    set(
      tclgenfiles
      ${CMAKE_BINARY_DIR}/bindings/tcl/tclgen.h
      ${CMAKE_BINARY_DIR}/bindings/tcl/tclgen_s.h
      ${CMAKE_BINARY_DIR}/bindings/tcl/tclgen.c
      )

    # Only need to set up this special command if either the tk and tkwin
    # non-dynamic devices are enabled (see below) since at build time
    # this special command is only fired in that case.
    add_custom_command(
      OUTPUT ${tclgenfiles}
      COMMAND ${TCL_TCLSH}
      ${CMAKE_SOURCE_DIR}/bindings/tcl/pltclgen.tcl
      ${CMAKE_SOURCE_DIR}/bindings/tcl
      DEPENDS
      ${CMAKE_SOURCE_DIR}/bindings/tcl/pltclgen.tcl
      ${CMAKE_SOURCE_DIR}/bindings/tcl/plapi.tpl
      ${CMAKE_SOURCE_DIR}/bindings/tcl/tclcmd.tpl
      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/bindings/tcl
      )
  endif(ENABLE_tcl)

  # Static device drivers must be included in the core PLplot library.
  set(DRIVERS_RPATH)
  foreach(SOURCE_ROOT_NAME ${DRIVERS_LIST})
    #message("${SOURCE_ROOT_NAME}_SOURCE = ${${SOURCE_ROOT_NAME}_SOURCE}")
    list(APPEND plplot${LIB_TAG}_LIB_SRCS ${${SOURCE_ROOT_NAME}_SOURCE})
    if(SOURCE_ROOT_NAME STREQUAL "qt")
      if(ANY_QT_DEVICE)
	# For this case libplot must have a target dependency on the
	# moc files generated in the binary include directory.
	set(qt_dependency moc_outfile_generated)

	# Set up Qt4-based build environment.
	include(${QT_USE_FILE})
	if(NOT QT_LIBRARIES)
	  message(FATAL_ERROR "include(${QT_USE_FILE}) failed in src subdirectory.")
	endif(NOT QT_LIBRARIES)
	set(DRIVERS_LINK_FLAGS ${DRIVERS_LINK_FLAGS} ${QT_LIBRARIES})
	
      else(ANY_QT_DEVICE)
	message(FATAL_ERROR "Internal build system inconsistency.  Attempt to build static qt device when ANY_QT_DEVICE is false.")
      endif(ANY_QT_DEVICE)
    endif(SOURCE_ROOT_NAME STREQUAL "qt")
    
    # qt device driver code within libplplot has some symbols that need to be
    # visible for qt_example in installed examples/c++ directory to link 
    # properly. 
    if(BUILD_SHARED_LIBS AND SOURCE_ROOT_NAME STREQUAL "qt")
      set(${SOURCE_ROOT_NAME}_COMPILE_FLAGS "${${SOURCE_ROOT_NAME}_COMPILE_FLAGS} -DUSINGDLL")
    endif(BUILD_SHARED_LIBS AND SOURCE_ROOT_NAME STREQUAL "qt")

    if(${SOURCE_ROOT_NAME}_COMPILE_FLAGS)
      set_source_files_properties(
	${${SOURCE_ROOT_NAME}_SOURCE}
	PROPERTIES COMPILE_FLAGS ${${SOURCE_ROOT_NAME}_COMPILE_FLAGS}
	)
      set(libplplot${LIB_TAG}_COMPILE_FLAGS
	${libplplot${LIB_TAG}_COMPILE_FLAGS}
	${${SOURCE_ROOT_NAME}_COMPILE_FLAGS}
	)
      if(SOURCE_ROOT_NAME STREQUAL "tk")
        set_source_files_properties(
	  ${${SOURCE_ROOT_NAME}_SOURCE}
	  PROPERTIES OBJECT_DEPENDS ${tclgenfiles}
	  )
      endif(SOURCE_ROOT_NAME STREQUAL "tk")
      if(SOURCE_ROOT_NAME STREQUAL "tkwin")
        set_source_files_properties(
	  ${${SOURCE_ROOT_NAME}_SOURCE}
	  PROPERTIES OBJECT_DEPENDS ${tclgenfiles}
	  )
      endif(SOURCE_ROOT_NAME STREQUAL "tkwin")
    endif(${SOURCE_ROOT_NAME}_COMPILE_FLAGS)
    if(${SOURCE_ROOT_NAME}_RPATH)
      set(DRIVERS_RPATH ${DRIVERS_RPATH} ${${SOURCE_ROOT_NAME}_RPATH})
    endif(${SOURCE_ROOT_NAME}_RPATH)
  endforeach(SOURCE_ROOT_NAME ${DRIVERS_LIST})
endif(ENABLE_DYNDRIVERS)

include_directories(
  ${CMAKE_SOURCE_DIR}/include
  ${CMAKE_SOURCE_DIR}/lib/qsastime
  ${CMAKE_BINARY_DIR}
  ${CMAKE_BINARY_DIR}/include
  )
add_library(plplot${LIB_TAG} ${plplot${LIB_TAG}_LIB_SRCS})
add_dependencies(plplot${LIB_TAG} plhershey-unicode.h_built ${qt_dependency})

set(LIB_INSTALL_RPATH ${LIB_DIR})
if(ENABLE_DYNDRIVERS)
  set(libplplot${LIB_TAG}_LINK_LIBRARIES ${LTDL_LIBRARIES})
  #message("libplplot${LIB_TAG}_LINK_LIBRARIES =  ${libplplot${LIB_TAG}_LINK_LIBRARIES}")
  #message("libplplot${LIB_TAG}_RPATH = ${libplplot${LIB_TAG}_RPATH}")
  set(LIB_INSTALL_RPATH ${LIB_INSTALL_RPATH} ${libplplot${LIB_TAG}_RPATH})
else(ENABLE_DYNDRIVERS)
  set(libplplot${LIB_TAG}_LINK_LIBRARIES ${DRIVERS_LINK_FLAGS})
  set(LIB_INSTALL_RPATH ${LIB_INSTALL_RPATH} ${DRIVERS_RPATH})
endif(ENABLE_DYNDRIVERS)
#message("DEBUG: LIB_INSTALL_RPATH = ${LIB_INSTALL_RPATH}")

if(MATH_LIB)
  set(
    libplplot${LIB_TAG}_LINK_LIBRARIES
    ${libplplot${LIB_TAG}_LINK_LIBRARIES}
    ${MATH_LIB}
    )
endif(MATH_LIB)

# Transform "${libplplot${LIB_TAG}_LINK_LIBRARIES}" string to the 
# standard pkg-config form.
pkg_config_link_flags(
  libplplot${LIB_TAG}_LINK_FLAGS
  "${libplplot${LIB_TAG}_LINK_LIBRARIES}"
  )

if(WITH_CSA)
  set(
    libplplot${LIB_TAG}_LINK_LIBRARIES
    ${libplplot${LIB_TAG}_LINK_LIBRARIES}
    csirocsa
    )
  set(
    libplplot${LIB_TAG}_LINK_FLAGS
    "${libplplot${LIB_TAG}_LINK_FLAGS} -lcsirocsa"
    )
endif(WITH_CSA)

if(PL_HAVE_QHULL)
  set(
    libplplot${LIB_TAG}_LINK_LIBRARIES
    ${libplplot${LIB_TAG}_LINK_LIBRARIES}
    csironn
    )
  if(QHULL_RPATH)
    set(
      libplplot${LIB_TAG}_LINK_FLAGS
      "${libplplot${LIB_TAG}_LINK_FLAGS} -lcsironn -L${QHULL_RPATH} -lqhull"
      )
  else(QHULL_RPATH)
    set(
      libplplot${LIB_TAG}_LINK_FLAGS
      "${libplplot${LIB_TAG}_LINK_FLAGS} -lcsironn -lqhull"
      )
  endif(QHULL_RPATH)
  # Needed by plgridd.c.
  include_directories(
    ${QHULL_INCLUDE_DIRS}
    )
  # Needed by the traditional pkg-config approach for installed examples
  # as well as the new CMake-based build system for the installed examples.
  set(LIB_INSTALL_RPATH ${LIB_INSTALL_RPATH} ${QHULL_RPATH})
endif(PL_HAVE_QHULL)

if(NOT ENABLE_DYNDRIVERS AND PLD_cgm)
  list(APPEND  libplplot${LIB_TAG}_LINK_LIBRARIES nistcd)
  set(
    libplplot${LIB_TAG}_LINK_FLAGS
    "${libplplot${LIB_TAG}_LINK_FLAGS} -lnistcd"
    )
  include_directories(${CMAKE_SOURCE_DIR}/lib/nistcd)
endif(NOT ENABLE_DYNDRIVERS AND PLD_cgm)

set(
  libplplot${LIB_TAG}_LINK_LIBRARIES
  ${libplplot${LIB_TAG}_LINK_LIBRARIES}
  qsastime
  )
set(
  libplplot${LIB_TAG}_LINK_FLAGS
  "${libplplot${LIB_TAG}_LINK_FLAGS} -lqsastime"
  )

if(WITH_FREETYPE)
  get_source_file_property(PLFREETYPE_COMPILE_PROPS plfreetype.c COMPILE_FLAGS)
  # Deal with NOTFOUND case.
  if(NOT PLFREETYPE_COMPILE_PROPS)
    set(PLFREETYPE_COMPILE_PROPS)
  endif(NOT PLFREETYPE_COMPILE_PROPS)
  set_source_files_properties(plfreetype.c PROPERTIES COMPILE_FLAGS "${PLFREETYPE_COMPILE_PROPS} -I${FREETYPE_INCLUDE_DIR}")
  set(
    libplplot${LIB_TAG}_LINK_LIBRARIES
    ${libplplot${LIB_TAG}_LINK_LIBRARIES}
    ${FREETYPE_LIBRARIES}
    )
  
  # Convert to -L... -l... form.
  string(REGEX REPLACE "(/[^ ]*)/lib([^ ]*)\\.so" "-L\\1 -l\\2"
    _FREETYPE_LINK_FLAGS
    ${FREETYPE_LIBRARIES}
    )
  string(REGEX REPLACE "(/[^ ]*)/lib([^ ]*)\\.so" "-L\\1 -l\\2"
    FREETYPE_LINK_FLAGS
    ${_FREETYPE_LINK_FLAGS}
    )
  set(
    libplplot${LIB_TAG}_LINK_FLAGS
    "${libplplot${LIB_TAG}_LINK_FLAGS} ${FREETYPE_LINK_FLAGS}"
    )
endif(WITH_FREETYPE)

#message(STATUS
#"libplplot${LIB_TAG}_LINK_LIBRARIES = ${libplplot${LIB_TAG}_LINK_LIBRARIES}"
#)

target_link_libraries(
  plplot${LIB_TAG}
  ${libplplot${LIB_TAG}_LINK_LIBRARIES}
  )

if(USE_RPATH)
  set_target_properties(
    plplot${LIB_TAG}
    PROPERTIES 
    SOVERSION ${plplot_SOVERSION}
    VERSION ${plplot_VERSION}
    INSTALL_RPATH "${LIB_INSTALL_RPATH}"
    INSTALL_NAME_DIR "${LIB_DIR}"
    )
else(USE_RPATH)
  set_target_properties(
    plplot${LIB_TAG}
    PROPERTIES 
    SOVERSION ${plplot_SOVERSION}
    VERSION ${plplot_VERSION}
    INSTALL_NAME_DIR "${LIB_DIR}"
    )
endif(USE_RPATH)

install(TARGETS plplot${LIB_TAG}
  EXPORT export_plplot
  ARCHIVE DESTINATION ${LIB_DIR}
  LIBRARY DESTINATION ${LIB_DIR}
  RUNTIME DESTINATION ${BIN_DIR}
  )

# This exports information for every target in the whole build that
# has the EXPORT export_plplot signature (as above) for the 
# install(TARGETS ... # command.
install(EXPORT export_plplot DESTINATION ${DATA_DIR}/examples/cmake/modules)

#message("libplplot${LIB_TAG}_LINK_FLAGS = ${libplplot${LIB_TAG}_LINK_FLAGS}")

string(REGEX REPLACE ";" " " 
  libplplot${LIB_TAG}_COMPILE_FLAGS
  "${libplplot${LIB_TAG}_COMPILE_FLAGS}"
  )
#message("libplplot${LIB_TAG}_COMPILE_FLAGS = ${libplplot${LIB_TAG}_COMPILE_FLAGS}")

# Configure pkg-config *.pc file corresponding to libplplot${LIB_TAG}
if(PKG_CONFIG_EXECUTABLE)
  if(LIB_TAG)
    set(PC_PRECISION "double")
  else(LIB_TAG)
    set(PC_PRECISION "single")
  endif(LIB_TAG)
  # Each list element must consist of a colon-separated string with the
  # following fields which are parsed out in the foreach loop below and
  # used to configure the corresponding pkg-config *.pc file.
  # BINDING 	      	  - ENABLE_${BINDING} keeps track of whether a
  # 			    binding has been enabled (ON) or not (OFF).
  #			    Also, ${BINDING} used to determine PC_FILE_SUFFIX
  #			    which helps to determine name of configured 
  #			    *.pc file.
  # PC_SHORT_NAME	  - Used in *.pc NAME: field
  # PC_LONG_NAME	  - Used in *.pc Description: field
  # PC_LIBRARY_NAME	  - Used in *.pc Libs: field
  #                         Also used to determine PC_LINK_FLAGS and
  #                         PC_COMPILE_FLAGS used in *.pc Libs: and Cflags:
  #			    fields.
  set(PC_DATA "c:::plplot${LIB_TAG}")

  string(REGEX REPLACE "^(.*):.*:.*:.*$" "\\1" BINDING ${PC_DATA})
  set(PC_FILE_SUFFIX "")
  set(PC_REQUIRES "")
  string(REGEX REPLACE "^.*:(.*):.*:.*$" "\\1" PC_SHORT_NAME ${PC_DATA})
  string(REGEX REPLACE "^.*:.*:(.*):.*$" "\\1" PC_LONG_NAME ${PC_DATA})
  string(REGEX REPLACE "^.*:.*:.*:(.*)$" "\\1" PC_LIBRARY_NAME ${PC_DATA})
  set(PC_LINK_FLAGS "${lib${PC_LIBRARY_NAME}_LINK_FLAGS}")
  set(PC_LINK_FLAGS "-l${PC_LIBRARY_NAME} ${PC_LINK_FLAGS}")
  set(PC_COMPILE_FLAGS "${lib${PC_LIBRARY_NAME}_COMPILE_FLAGS}")
  set(PC_CONFIGURED_FILE
    ${CMAKE_BINARY_DIR}/pkgcfg/plplot${LIB_TAG}${PC_FILE_SUFFIX}.pc
    )
  configure_file(
    ${CMAKE_SOURCE_DIR}/pkgcfg/plplot-template.pc.cmake
    ${PC_CONFIGURED_FILE}
    @ONLY
    )
  install(FILES ${PC_CONFIGURED_FILE} DESTINATION ${PKG_CONFIG_DIR})
endif(PKG_CONFIG_EXECUTABLE)