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#.rst:
# FindCairo
# ---------
#
# Find the Cairo library.
#
# Imported targets
# ^^^^^^^^^^^^^^^^
#
# This module defines the following :prop_tgt:`IMPORTED` target:
#
# ``Cairo::Cairo``
# The Cairo library, if found.
#
# Result variables
# ^^^^^^^^^^^^^^^^
#
# This module will set the following variables in your project:
#
# ``CAIRO_INCLUDE_DIRS``
# where to find cairo.h, etc.
# ``CAIRO_LIBRARIES``
# the libraries to link against to use Cairo.
# ``Cairo_FOUND``
# If false, do not try to use Cairo.
find_package(Pixman)
find_package(Freetype)
find_package(Libpng)
if(NOT CAIRO_INCLUDE_DIR)
find_path(CAIRO_INCLUDE_DIR cairo/cairo.h)
endif()
if(NOT CAIRO_LIBRARY)
find_library(CAIRO_LIBRARY NAMES ${GR_THIRDPARTY_LIBRARY_PREFIX}cairo${GR_THIRDPARTY_LIBRARY_SUFFIX} cairo)
endif()
find_path(CAIRO_VERSION_DIR cairo/cairo-version.h)
if(CAIRO_VERSION_DIR)
if(NOT CAIRO_VERSION_STRING)
file(READ ${CAIRO_VERSION_DIR}/cairo/cairo-version.h CAIRO_H_TEXT)
string(REGEX REPLACE ".*#define CAIRO_VERSION_MAJOR[ \t]*([0-9]+).*" "\\1." CAIRO_MAJOR_STRING ${CAIRO_H_TEXT})
string(REGEX REPLACE ".*#define CAIRO_VERSION_MINOR[ \t]*([0-9]+).*" "\\1." CAIRO_MINOR_STRING ${CAIRO_H_TEXT})
string(REGEX REPLACE ".*#define CAIRO_VERSION_MICRO[ \t]*([0-9]+).*" "\\1" CAIRO_MICRO_STRING ${CAIRO_H_TEXT})
string(CONCAT CAIRO_VERSION_STRING "${CAIRO_MAJOR_STRING}" "${CAIRO_MINOR_STRING}" "${CAIRO_MICRO_STRING}")
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
Cairo
VERSION_VAR
CAIRO_VERSION_STRING
REQUIRED_VARS
CAIRO_LIBRARY
CAIRO_INCLUDE_DIR
Pixman_FOUND
Libpng_FOUND
CAIRO_VERSION_STRING
)
if(Cairo_FOUND)
set(CAIRO_INCLUDE_DIRS ${CAIRO_INCLUDE_DIR})
set(CAIRO_LIBRARIES ${CAIRO_LIBRARY})
if(NOT TARGET Cairo::Cairo)
add_library(Cairo::Cairo UNKNOWN IMPORTED)
set_target_properties(
Cairo::Cairo
PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${CAIRO_INCLUDE_DIRS}"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${CAIRO_LIBRARY}"
INTERFACE_LINK_LIBRARIES "Pixman::Pixman;Freetype::Freetype;Libpng::Libpng"
)
endif()
elseif(${CMAKE_FIND_PACKAGE_NAME}_FIND_REQUIRED)
message(FATAL_ERROR "${CMAKE_FIND_PACKAGE_NAME} was required but could not be found.")
endif()
mark_as_advanced(CAIRO_INCLUDE_DIR CAIRO_LIBRARY)
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