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# cmake/modules/gcw.cmake
#
# 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 the file PLplot; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Module for determining additional configuration variables related to the gcw
# device driver.
# The following variables are set/modified:
# PLD_gcw - ON means the gcw device is enabled.
# gcw_COMPILE_FLAGS - blank-separated COMPILE_FLAGS required to
# compile gcw device and gnome2 bindings.
# gcw_LINK_FLAGS - list of LINK_FLAGS for dynamic gcw device and
# gnome2 bindings.
# gcw_TARGETS - list of targets which the gcw dynamic device
# depends on.
# DRIVERS_LINK_FLAGS - list of LINK_FLAGS for case when
# ENABLE_DYNDRIVERS OFF. (gcw_TARGETS not included
# since source code used instead of this target
# for ENABLE_DYNDRIVERS OFF.)
# gcw_SOURCE - list of source files to be appended to gcw.c
# PYGCW_CFLAGS - blank-separated COMPILE_FLAGS required to
# compile pygcw bindings.
# PYGCW_LIBS - list of LINK_FLAGS for pygcw bindings.
if(PLD_gcw)
if(NOT PKG_CONFIG_EXECUTABLE)
message(STATUS
"WARNING: pkg-config not found. Setting PLD_gcw to OFF."
)
set(PLD_gcw OFF CACHE BOOL "Enable gcw device" FORCE)
endif(NOT PKG_CONFIG_EXECUTABLE)
endif(PLD_gcw)
if(PLD_gcw)
# linkflags and cflags ignored because not used in autotools side and
# there is a question whether all that ton of extra potentially interfering
# libraries might be causing a segfault that is observed for the
# dynamic devices case.
# pkg_check_pkgconfig(libgnomeui-2.0 includedir libdir linkflags cflags version _GCW1)
# if(linkflags)
pkg_check_pkgconfig(libgnomeprintui-2.2 includedir libdir linkflags1 cflags1 version1 _GCW2)
if(linkflags1)
# Requires blank-delimited list.
string(REGEX REPLACE ";" " " gcw_COMPILE_FLAGS "${cflags1}")
set(gcw_LINK_FLAGS "${linkflags1}")
# Add freetype includes / libraries if required
if (WITH_FREETYPE)
foreach(DIR ${FREETYPE_INCLUDE_DIR})
set(gcw_COMPILE_FLAGS "${gcw_COMPILE_FLAGS} -I${DIR}")
endforeach(DIR ${FREETYPE_INCLUDE_DIR})
set(gcw_LINK_FLAGS ${gcw_LINK_FLAGS} ${FREETYPE_LIBRARIES})
endif (WITH_FREETYPE)
else(linkflags1)
message(STATUS
"WARNING: libgnomeprintui-2.2 not found. Setting PLD_gcw "
"to OFF."
)
set(PLD_gcw OFF CACHE BOOL "Enable gcw device" FORCE)
endif(linkflags1)
# else(linkflags)
# message(STATUS "WARNING: libgnomeui-2.0 not found. "
# "Setting PLD_gcw to OFF."
# )
# set(PLD_gcw OFF CACHE BOOL "Enable gcw device" FORCE)
# endif(linkflags)
endif(PLD_gcw)
if(PLD_gcw)
# Check for gthread-2.0 done in cf/gcw.ac, but result not actually used
# anywhere in the autotools configuration so we comment it out here.
# pkg_check_pkgconfig(gthread-2.0 includedir libdir linkflags cflags version _GCW3)
set(include_files_to_check
"math.h"
"glib.h"
"gtk/gtk.h"
"libgnomecanvas/libgnomecanvas.h"
"libart_lgpl/libart.h"
"libgnomeprint/gnome-print.h"
)
set(CMAKE_REQUIRED_FLAGS "${gcw_COMPILE_FLAGS}")
check_include_files("${include_files_to_check}" gcw_HEADERS)
set(CMAKE_REQUIRED_FLAGS)
if(NOT gcw_HEADERS)
message(STATUS
"WARNING: Required headers not found. "
"Setting PLD_gcw to OFF."
)
set(PLD_gcw OFF CACHE BOOL "Enable gcw device" FORCE)
endif(NOT gcw_HEADERS)
endif(PLD_gcw)
if(DEFAULT_NO_BINDINGS)
option(ENABLE_gnome2 "Enable Gnome2 bindings" OFF)
option(ENABLE_pygcw "Enable Python Gnome2 bindings" OFF)
else(DEFAULT_NO_BINDINGS)
option(ENABLE_gnome2 "Enable Gnome2 bindings" OFF)
option(ENABLE_pygcw "Enable Python Gnome2 bindings" OFF)
endif(DEFAULT_NO_BINDINGS)
if(ENABLE_gnome2 AND NOT PLD_gcw)
message(STATUS
"WARNING: PLD_gcw is OFF so "
"setting ENABLE_gnome2 to OFF."
)
set(ENABLE_gnome2 OFF CACHE BOOL "Enable Gnome2 bindings" FORCE)
endif(ENABLE_gnome2 AND NOT PLD_gcw)
if(ENABLE_pygcw AND NOT PLD_gcw)
message(STATUS
"WARNING: PLD_gcw is OFF so "
"setting ENABLE_pygcw to OFF."
)
set(ENABLE_pygcw OFF CACHE BOOL "Enable Python Gnome2 bindings" FORCE)
endif(ENABLE_pygcw AND NOT PLD_gcw)
if(PLD_gcw)
if(ENABLE_DYNDRIVERS)
if(ENABLE_gnome2)
set(gcw_SOURCE
${CMAKE_SOURCE_DIR}/drivers/plplotcanvas-hacktext.c
)
set(gcw_TARGETS plplotgnome2${LIB_TAG})
else(ENABLE_gnome2)
# if gnome2 disabled, then must include full source and forget
# gcw_TARGETS for this dynamic device.
set(gcw_SOURCE
${CMAKE_SOURCE_DIR}/bindings/gnome2/lib/plplotcanvas.c
${CMAKE_SOURCE_DIR}/bindings/gnome2/lib/gcw-lib.c
${CMAKE_SOURCE_DIR}/drivers/plplotcanvas-hacktext.c
)
endif(ENABLE_gnome2)
else(ENABLE_DYNDRIVERS)
# N.B. no gcw_TARGETS here since use appropriate source code (see below)
# instead to break circular linking.
set(
DRIVERS_LINK_FLAGS
${DRIVERS_LINK_FLAGS}
${gcw_LINK_FLAGS}
)
set(gcw_SOURCE
${CMAKE_SOURCE_DIR}/bindings/gnome2/lib/plplotcanvas.c
${CMAKE_SOURCE_DIR}/bindings/gnome2/lib/gcw-lib.c
${CMAKE_SOURCE_DIR}/drivers/plplotcanvas-hacktext.c
)
endif(ENABLE_DYNDRIVERS)
endif(PLD_gcw)
if(ENABLE_pygcw AND NOT ENABLE_python)
message(STATUS
"WARNING: Python is disabled so "
"Setting ENABLE_pygcw to OFF."
)
set(ENABLE_pygcw OFF CACHE BOOL "Enable Python Gnome2 bindings" FORCE)
endif(ENABLE_pygcw AND NOT ENABLE_python)
if(ENABLE_pygcw)
pkg_check_modules(_GCW4 pygtk-2.0)
cmake_link_flags(linkflags "${_GCW4_LDFLAGS}")
# Include PYTHON_LIBRARIES because pkg-config does not appear to do so.
list(APPEND linkflags "${PYTHON_LIBRARIES}")
set (cflags "${_GCW4_CFLAGS}")
# pygtk 2.13.0 uses numpy by default if it is available while 2.12.x does
# not. So 2.13.0 and above are likely to be using numpy although no
# absolute guarantees.
transform_version(MININUM_NUMERICAL_NUMPY_PYGCW_VERSION "2.13.0")
transform_version(NUMERICAL_NUMPY_PYGCW_VERSION "${_GCW4_VERSION}")
if(NUMERICAL_NUMPY_PYGCW_VERSION LESS "${MININUM_NUMERICAL_NUMPY_PYGCW_VERSION}")
message(STATUS
"WARNING: Required version of pygtk-2.0 to work with NumPy is ${MINIMUM_NUMPY_PYGCW_VERSION}\n"
"Installed version is ${_GCW4_VERSION}. Setting ENABLE_gcw to OFF."
)
set(ENABLE_pygcw OFF CACHE BOOL "Enable Python Gnome2 bindings" FORCE)
endif(NUMERICAL_NUMPY_PYGCW_VERSION LESS "${MININUM_NUMERICAL_NUMPY_PYGCW_VERSION}")
endif(ENABLE_pygcw)
if(ENABLE_pygcw)
#pkg_check_pkgconfig(pygtk-2.0 includedir libdir linkflags cflags _GCW4)
if(linkflags)
# This logic needs review. It was copied right out of cf/gcw.ac
# which checks for the existence of gnome-python-2.0 but uses no
# compile or link flag returned by that check. That made sense
# at the time because the returned values were blank, but now (2006-11-27)
# Ubuntu dapper drake, for example, returns an interesting value
# "-I/usr/include/gnome-python-2.0" for --cflags1.
#pkg_check_pkgconfig(gnome-python-2.0 includedir libdir linkflags1 cflags1 _GCW5)
# if(linkflags1)
# Requires blank-delimited list.
string(REGEX REPLACE ";" " " PYGCW_CFLAGS "${cflags}")
set(PYGCW_LIBS "${linkflags}")
set(CMAKE_REQUIRED_FLAGS "${PYGCW_CFLAGS}")
check_include_files(glib-object.h pygcw_HEADERS)
set(CMAKE_REQUIRED_FLAGS)
if(pygcw_HEADERS)
execute_process(
COMMAND
${PKG_CONFIG_EXECUTABLE}
pygtk-2.0 --variable=codegendir
OUTPUT_VARIABLE codegen
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT codegen)
message(STATUS "WARNING: pygtk/codegen not found. "
"Setting ENABLE_pygcw to OFF."
)
set(ENABLE_pygcw OFF CACHE BOOL "Enable Python Gnome2 bindings" FORCE)
endif(NOT codegen)
else(pygcw_HEADERS)
message(STATUS "WARNING: required headers not found. "
"Setting ENABLE_pygcw to OFF."
)
set(ENABLE_pygcw OFF CACHE BOOL "Enable Python Gnome2 bindings" FORCE)
endif(pygcw_HEADERS)
# else(linkflags1)
# message(STATUS "WARNING: gnome-python-2.0 not found. "
# "Setting ENABLE_pygcw to OFF."
# )
# set(ENABLE_pygcw OFF CACHE BOOL "Enable Python Gnome2 bindings" FORCE)
# endif(linkflags1)
else(linkflags)
message(STATUS "WARNING: pygtk-2.0 not found. "
"Setting ENABLE_pygcw to OFF"
)
set(ENABLE_pygcw OFF CACHE BOOL "Enable Python Gnome2 bindings" FORCE)
endif(linkflags)
endif(ENABLE_pygcw)
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