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# cmake/modules/cairo.cmake
#
# Copyright (C) 2007 Hazen Babcock
#
# 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
# Configuration for the cairo device driver (supporting the memcairo,
# pdfcairo, pngcairo, pscairo, svgcairo and xcairo devices).
#
# The following variables are set / modified
#
# PLD_extcairo - ON means the extcairo device is enabled.
# PLD_memcairo - ON means the memcairo device is enabled.
# PLD_pdfcairo - ON means the pdfcairo device is enabled.
# PLD_pngcairo - ON means the pngcairo device is enabled.
# PLD_pscairo - ON means the pscairo device is enabled.
# PLD_svgcairo - ON means the svgcairo device is enabled.
# PLD_xcairo - ON means the xcairo device is enabled.
# cairo_COMPILE_FLAGS - Blank-delimited COMPILE_FLAGS required to
# compile cairo device drivers.
# cairo_LINK_FLAGS - list of full path names of libraries and
# linker flags for dynamic cairo device driver.
# cairo_RPATH - RPATH directory list for cairo device driver.
# current assumption is the list only has one
# element corresponding to the pkg-config libdir
# variable for pangocairo.
# DRIVERS_LINK_FLAGS - list of device LINK_FLAGS for case
# when ENABLE_DYNDRIVERS OFF.
# Include file searches use FindPath. To add extra search directories
# set the environment variable CMAKE_INCLUDE_PATH.
# Library searches use FindLibrary. To add extra search directories
# set the environment variable CMAKE_LIBRARY_PATH.
# See cmake documentation for further details.
# Look for cairo headers and libraries with pkg-config
if(
PLD_memcairo
OR PLD_pdfcairo
OR PLD_pngcairo
OR PLD_pscairo
OR PLD_svgcairo
OR PLD_xcairo
OR PLD_extcairo
)
if(NOT PKG_CONFIG_EXECUTABLE)
message(STATUS
"WARNING: pkg-config not found. Setting cairo drivers to OFF."
)
set(PLD_memcairo OFF CACHE BOOL "Enable memcairo device" FORCE)
set(PLD_pdfcairo OFF CACHE BOOL "Enable pdfcairo device" FORCE)
set(PLD_pngcairo OFF CACHE BOOL "Enable pngcairo device" FORCE)
set(PLD_pscairo OFF CACHE BOOL "Enable pscairo device" FORCE)
set(PLD_svgcairo OFF CACHE BOOL "Enable svgcairo device" FORCE)
set(PLD_xcairo OFF CACHE BOOL "Enable xcairo device" FORCE)
set(PLD_extcairo OFF CACHE BOOL "Enable extcairo device" FORCE)
endif(NOT PKG_CONFIG_EXECUTABLE)
endif(
PLD_memcairo
OR PLD_pdfcairo
OR PLD_pngcairo
OR PLD_pscairo
OR PLD_svgcairo
OR PLD_xcairo
OR PLD_extcairo
)
if(
PLD_memcairo
OR PLD_pdfcairo
OR PLD_pngcairo
OR PLD_pscairo
OR PLD_svgcairo
OR PLD_xcairo
OR PLD_extcairo
)
pkg_check_pkgconfig(
pangocairo
includedir
linkdir
linkflags
cflags
version
_CAIRO
)
if(linkflags)
# Check that the pangocairo library version is recent
# enough to efficiently handle text clipping.
# If it is not then we print a warning.
transform_version(NUMERICAL_PANGOCAIRO_MINIMUM_VERSION "1.20.5")
transform_version(NUMERICAL_PANGOCAIRO_VERSION "${version}")
if(NUMERICAL_PANGOCAIRO_VERSION LESS "${NUMERICAL_PANGOCAIRO_MINIMUM_VERSION}")
message("Pango Cairo version (${version}) < 1.20.5, if text rendering is slow recommend turning off text clipping")
endif(NUMERICAL_PANGOCAIRO_VERSION LESS "${NUMERICAL_PANGOCAIRO_MINIMUM_VERSION}")
set(cairo_RPATH ${linkdir})
if(PLD_xcairo AND X11_COMPILE_FLAGS)
# Blank-delimited required.
string(REGEX REPLACE ";" " "
cairo_COMPILE_FLAGS "${cflags} ${X11_COMPILE_FLAGS}"
)
set(cairo_LINK_FLAGS ${linkflags} ${X11_LIBRARIES})
else(PLD_xcairo AND X11_COMPILE_FLAGS)
message(STATUS
"WARNING: X windows not found. Setting xcairo driver to OFF."
)
# Blank-delimited required.
set(PLD_xcairo OFF CACHE BOOL "Enable xcairo device" FORCE)
# now deal with remaining cairo devices.
string(REGEX REPLACE ";" " " cairo_COMPILE_FLAGS "${cflags}")
set(cairo_LINK_FLAGS ${linkflags})
endif(PLD_xcairo AND X11_COMPILE_FLAGS)
#message("cairo_COMPILE_FLAGS = ${cairo_COMPILE_FLAGS}")
#message("cairo_LINK_FLAGS = ${cairo_LINK_FLAGS}")
list(APPEND DRIVERS_LINK_FLAGS ${cairo_LINK_FLAGS})
else(linkflags)
message("includedir = ${includedir}")
message("libdir = ${libdir}")
message("linkflags = ${linkflags}")
message("cflags = ${cflags}")
message(STATUS
"WARNING: pango and/or cairo not found with pkg-config.\n"
" Disabling cairo drivers. To enable these drivers you must install\n"
" development versions of pango and cairo and/or set\n"
" the environment variable PKG_CONFIG_PATH appropriately."
)
set(PLD_memcairo OFF CACHE BOOL "Enable memcairo device" FORCE)
set(PLD_pdfcairo OFF CACHE BOOL "Enable pdfcairo device" FORCE)
set(PLD_pngcairo OFF CACHE BOOL "Enable pngcairo device" FORCE)
set(PLD_pscairo OFF CACHE BOOL "Enable pscairo device" FORCE)
set(PLD_svgcairo OFF CACHE BOOL "Enable svgcairo device" FORCE)
set(PLD_xcairo OFF CACHE BOOL "Enable xcairo device" FORCE)
set(PLD_extcairo OFF CACHE BOOL "Enable extcairo device" FORCE)
endif(linkflags)
endif(
PLD_memcairo
OR PLD_pdfcairo
OR PLD_pngcairo
OR PLD_pscairo
OR PLD_svgcairo
OR PLD_xcairo
OR PLD_extcairo
)
if(NOT PLD_xcairo)
set(extXdrawable_true "#")
endif(NOT PLD_xcairo)
if(NOT PLD_extcairo)
set(extcairo_true "#")
endif(NOT PLD_extcairo)
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