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# SPDX-License-Identifier: LGPL-3.0-or-later
# vim: ts=2 sw=2
#[=======================================================================[.rst:
FindResvg
---------
Try to find the shared-library build of resvg, the Rust SVG library
IMPORTED targets
^^^^^^^^^^^^^^^^
This module defines :prop_tgt:`IMPORTED` target ``Resvg::Resvg`` when
the library and headers are found.
Result Variables
^^^^^^^^^^^^^^^^
This module defines the following variables:
::
Resvg_FOUND - Library and header files found
Resvg_INCLUDE_DIRS - Include directory path
Resvg_LIBRARIES - Link path to the library
Resvg_DEFINITIONS - Compiler switches (currently unused)
Backwards compatibility
^^^^^^^^^^^^^^^^^^^^^^^
For compatibility with previous versions of this module, uppercase names
for FFmpeg and for all components are also recognized, and all-uppercase
versions of the cache variables are also created.
Control variables
^^^^^^^^^^^^^^^^^
The following variables can be used to provide path hints to the module:
RESVGDIR - Set in the calling CMakeLists.txt or on the command line
ENV{RESVGDIR} - An environment variable in the cmake process context
Copyright (c) 2020, FeRD (Frank Dana) <ferdnyc@gmail.com>
#]=======================================================================]
include(FindPackageHandleStandardArgs)
### Macro: parse_resvg_version
#
# Read the resvg.h file and extract the definition
# for RESVG_VERSION, to use as our version string.
macro (parse_resvg_version)
set(_header "${Resvg_INCLUDE_DIRS}/resvg.h")
if(EXISTS "${_header}")
#message(STATUS "Parsing Resvg version from ${_header}")
file(STRINGS "${_header}" _version_def
REGEX "^#define[ \t]+RESVG_VERSION[ \t]+\".*\"[ \t]*$")
string(REGEX REPLACE
"^.*RESVG_VERSION[ \t]+\"(.*)\".*$"
"\\1"
Resvg_VERSION "${_version_def}")
#message(STATUS "Found Resvg version: ${Resvg_VERSION}")
endif()
endmacro()
###
### Begin discovery
###
# CMake 3.4+ only: Convert relative paths to absolute
if(DEFINED RESVGDIR AND CMAKE_VERSION VERSION_GREATER 3.4)
get_filename_component(RESVGDIR "${RESVGDIR}" ABSOLUTE
BASE_DIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
find_path(Resvg_INCLUDE_DIRS
ResvgQt.h
PATHS
${Resvg_ROOT}
${RESVGDIR}
${RESVGDIR}/include
$ENV{RESVGDIR}
$ENV{RESVGDIR}/include
/usr/include
/usr/local/include
PATH_SUFFIXES
c-api
capi/include
resvg
resvg/include
resvg/c-api
resvg/capi/include
)
find_library(Resvg_LIBRARIES
NAMES resvg
PATHS
${Resvg_ROOT}
${RESVGDIR}
${RESVGDIR}/lib
$ENV{RESVGDIR}
$ENV{RESVGDIR}/lib
/usr/lib
/usr/local/lib
PATH_SUFFIXES
resvg
target/release
resvg/target/release
)
if (Resvg_INCLUDE_DIRS AND Resvg_LIBRARIES)
set(Resvg_FOUND TRUE)
endif()
parse_resvg_version()
set(Resvg_LIBRARIES ${Resvg_LIBRARIES} CACHE STRING "The Resvg library link path")
set(Resvg_INCLUDE_DIRS ${Resvg_INCLUDE_DIRS} CACHE STRING "The Resvg include directories")
set(Resvg_DEFINITIONS "" CACHE STRING "The Resvg CFLAGS")
set(Resvg_VERSION ${Resvg_VERSION} CACHE STRING "The Resvg version in use")
mark_as_advanced(Resvg_LIBRARIES Resvg_INCLUDE_DIRS Resvg_DEFINITIONS)
# Give a nice error message if some of the required vars are missing.
find_package_handle_standard_args(Resvg
REQUIRED_VARS Resvg_LIBRARIES Resvg_INCLUDE_DIRS
VERSION_VAR Resvg_VERSION
)
# Export target
if(Resvg_FOUND AND NOT TARGET Resvg::Resvg)
#message(STATUS "Creating IMPORTED target Resvg::Resvg")
if (WIN32)
# Windows mis-links SHARED library targets
add_library(Resvg::Resvg UNKNOWN IMPORTED)
else()
# Linux needs SHARED to link because libresvg has no SONAME
add_library(Resvg::Resvg SHARED IMPORTED)
set_property(TARGET Resvg::Resvg APPEND PROPERTY
IMPORTED_NO_SONAME TRUE)
endif()
set_property(TARGET Resvg::Resvg APPEND PROPERTY
INTERFACE_INCLUDE_DIRECTORIES "${Resvg_INCLUDE_DIRS}")
set_property(TARGET Resvg::Resvg APPEND PROPERTY
INTERFACE_COMPILE_DEFINITIONS "${Resvg_DEFINITIONS}")
set_property(TARGET Resvg::Resvg APPEND PROPERTY
IMPORTED_LOCATION "${Resvg_LIBRARIES}")
endif()
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