diff --git a/cmake/FindSDL2_ttf.cmake b/cmake/FindSDL2_ttf.cmake index 8b2edcb9..2ab9a76b 100644 --- a/cmake/FindSDL2_ttf.cmake +++ b/cmake/FindSDL2_ttf.cmake @@ -1,87 +1,197 @@ -# Locate SDL_ttf library -# -# This module defines: -# -# :: -# -# SDL2_TTF_LIBRARIES, the name of the library to link against -# SDL2_TTF_INCLUDE_DIRS, where to find the headers -# SDL2_TTF_FOUND, if false, do not try to link against -# SDL2_TTF_VERSION_STRING - human-readable string containing the version of SDL_ttf -# -# -# -# For backward compatibility the following variables are also set: -# -# :: -# -# SDLTTF_LIBRARY (same value as SDL2_TTF_LIBRARIES) -# SDLTTF_INCLUDE_DIR (same value as SDL2_TTF_INCLUDE_DIRS) -# SDLTTF_FOUND (same value as SDL2_TTF_FOUND) -# -# -# -# $SDLDIR is an environment variable that would correspond to the -# ./configure --prefix=$SDLDIR used in building SDL. -# -# Created by Eric Wing. This was influenced by the FindSDL.cmake -# module, but with modifications to recognize OS X frameworks and -# additional Unix paths (FreeBSD, etc). - -#============================================================================= -# Copyright 2005-2009 Kitware, Inc. -# Copyright 2012 Benjamin Eikel -# -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. -# -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (To distribute this file outside of CMake, substitute the full -# License text for the above reference.) +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. +# Copyright 2019 Amine Ben Hassouna +# Copyright 2000-2019 Kitware, Inc. and Contributors +# All rights reserved. + +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: + +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. + +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. + +# * Neither the name of Kitware, Inc. nor the names of Contributors +# may be used to endorse or promote products derived from this +# software without specific prior written permission. + +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#[=======================================================================[.rst: +FindSDL2_ttf +------------ + +Locate SDL2_ttf library + +This module defines the following 'IMPORTED' target: + +:: + + SDL2::TTF + The SDL2_ttf library, if found. + Have SDL2::Core as a link dependency. + + + +This module will set the following variables in your project: + +:: + + SDL2_TTF_LIBRARIES, the name of the library to link against + SDL2_TTF_INCLUDE_DIRS, where to find the headers + SDL2_TTF_FOUND, if false, do not try to link against + SDL2_TTF_VERSION_STRING - human-readable string containing the + version of SDL2_ttf + + + +This module responds to the following cache variables: + +:: + + SDL2_TTF_PATH + Set a custom SDL2_ttf Library path (default: empty) + + SDL2_TTF_NO_DEFAULT_PATH + Disable search SDL2_ttf Library in default path. + If SDL2_TTF_PATH (default: ON) + Else (default: OFF) + + SDL2_TTF_INCLUDE_DIR + SDL2_ttf headers path. + + SDL2_TTF_LIBRARY + SDL2_ttf Library (.dll, .so, .a, etc) path. + + +Additional Note: If you see an empty SDL2_TTF_LIBRARY in your project +configuration, it means CMake did not find your SDL2_ttf library +(SDL2_ttf.dll, libsdl2_ttf.so, etc). Set SDL2_TTF_LIBRARY to point +to your SDL2_ttf library, and configure again. This value is used to +generate the final SDL2_TTF_LIBRARIES variable and the SDL2::TTF target, +but when this value is unset, SDL2_TTF_LIBRARIES and SDL2::TTF does not +get created. + + +$SDL2TTFDIR is an environment variable that would correspond to the +./configure --prefix=$SDL2TTFDIR used in building SDL2_ttf. + +$SDL2DIR is an environment variable that would correspond to the +./configure --prefix=$SDL2DIR used in building SDL2. + + + +Created by Amine Ben Hassouna: + Adapt FindSDL_ttf.cmake to SDL2_ttf (FindSDL2_ttf.cmake). + Add cache variables for more flexibility: + SDL2_TTF_PATH, SDL2_TTF_NO_DEFAULT_PATH (for details, see doc above). + Add SDL2 as a required dependency. + Modernize the FindSDL2_ttf.cmake module by creating a specific target: + SDL2::TTF (for details, see doc above). + +Original FindSDL_ttf.cmake module: + Created by Eric Wing. This was influenced by the FindSDL.cmake + module, but with modifications to recognize OS X frameworks and + additional Unix paths (FreeBSD, etc). +#]=======================================================================] + +# SDL2 Library required +find_package(SDL2 QUIET) +if(NOT SDL2_FOUND) + set(SDL2_TTF_SDL2_NOT_FOUND "Could NOT find SDL2 (SDL2 is required by SDL2_ttf).") + if(SDL2_ttf_FIND_REQUIRED) + message(FATAL_ERROR ${SDL2_TTF_SDL2_NOT_FOUND}) + else() + if(NOT SDL2_ttf_FIND_QUIETLY) + message(STATUS ${SDL2_TTF_SDL2_NOT_FOUND}) + endif() + return() + endif() + unset(SDL2_TTF_SDL2_NOT_FOUND) +endif() + + +# Define options for searching SDL2_ttf Library in a custom path + +set(SDL2_TTF_PATH "" CACHE STRING "Custom SDL2_ttf Library path") + +set(_SDL2_TTF_NO_DEFAULT_PATH OFF) +if(SDL2_TTF_PATH) + set(_SDL2_TTF_NO_DEFAULT_PATH ON) +endif() + +set(SDL2_TTF_NO_DEFAULT_PATH ${_SDL2_TTF_NO_DEFAULT_PATH} + CACHE BOOL "Disable search SDL2_ttf Library in default path") +unset(_SDL2_TTF_NO_DEFAULT_PATH) + +set(SDL2_TTF_NO_DEFAULT_PATH_CMD) +if(SDL2_TTF_NO_DEFAULT_PATH) + set(SDL2_TTF_NO_DEFAULT_PATH_CMD NO_DEFAULT_PATH) +endif() + +# Search for the SDL2_ttf include directory find_path(SDL2_TTF_INCLUDE_DIR SDL_ttf.h - HINTS - ENV SDL2TTFDIR - ENV SDL2DIR - PATH_SUFFIXES SDL2 - # path suffixes to search inside ENV{SDLDIR} - include/SDL2 include - PATHS ${SDL2_TTF_PATH} - ) - -if (CMAKE_SIZEOF_VOID_P EQUAL 8) - set(VC_LIB_PATH_SUFFIX lib/x64) -else () - set(VC_LIB_PATH_SUFFIX lib/x86) -endif () + HINTS + ENV SDL2TTFDIR + ENV SDL2DIR + ${SDL2_TTF_NO_DEFAULT_PATH_CMD} + PATH_SUFFIXES SDL2 + # path suffixes to search inside ENV{SDL2DIR} + # and ENV{SDL2TTFDIR} + include/SDL2 include + PATHS ${SDL2_TTF_PATH} + DOC "Where the SDL2_ttf headers can be found" +) + +if(CMAKE_SIZEOF_VOID_P EQUAL 8) + set(VC_LIB_PATH_SUFFIX lib/x64) +else() + set(VC_LIB_PATH_SUFFIX lib/x86) +endif() +# Search for the SDL2_ttf library find_library(SDL2_TTF_LIBRARY - NAMES SDL2_ttf - HINTS - ENV SDL2TTFDIR - ENV SDL2DIR - PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX} - PATHS ${SDL2_TTF_PATH} - ) - -if (SDL2_TTF_INCLUDE_DIR AND EXISTS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h") - file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+[0-9]+$") - file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+[0-9]+$") - file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+[0-9]+$") - string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MAJOR "${SDL2_TTF_VERSION_MAJOR_LINE}") - string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MINOR "${SDL2_TTF_VERSION_MINOR_LINE}") - string(REGEX REPLACE "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_PATCH "${SDL2_TTF_VERSION_PATCH_LINE}") - set(SDL2_TTF_VERSION_STRING ${SDL2_TTF_VERSION_MAJOR}.${SDL2_TTF_VERSION_MINOR}.${SDL2_TTF_VERSION_PATCH}) - unset(SDL2_TTF_VERSION_MAJOR_LINE) - unset(SDL2_TTF_VERSION_MINOR_LINE) - unset(SDL2_TTF_VERSION_PATCH_LINE) - unset(SDL2_TTF_VERSION_MAJOR) - unset(SDL2_TTF_VERSION_MINOR) - unset(SDL2_TTF_VERSION_PATCH) -endif () + NAMES SDL2_ttf + HINTS + ENV SDL2TTFDIR + ENV SDL2DIR + ${SDL2_TTF_NO_DEFAULT_PATH_CMD} + PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX} + PATHS ${SDL2_TTF_PATH} + DOC "Where the SDL2_ttf Library can be found" +) + +# Read SDL2_ttf version +if(SDL2_TTF_INCLUDE_DIR AND EXISTS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h") + file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+[0-9]+$") + string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MAJOR "${SDL2_TTF_VERSION_MAJOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MINOR "${SDL2_TTF_VERSION_MINOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_PATCH "${SDL2_TTF_VERSION_PATCH_LINE}") + set(SDL2_TTF_VERSION_STRING ${SDL2_TTF_VERSION_MAJOR}.${SDL2_TTF_VERSION_MINOR}.${SDL2_TTF_VERSION_PATCH}) + unset(SDL2_TTF_VERSION_MAJOR_LINE) + unset(SDL2_TTF_VERSION_MINOR_LINE) + unset(SDL2_TTF_VERSION_PATCH_LINE) + unset(SDL2_TTF_VERSION_MAJOR) + unset(SDL2_TTF_VERSION_MINOR) + unset(SDL2_TTF_VERSION_PATCH) +endif() set(SDL2_TTF_LIBRARIES ${SDL2_TTF_LIBRARY}) set(SDL2_TTF_INCLUDE_DIRS ${SDL2_TTF_INCLUDE_DIR}) @@ -89,10 +199,24 @@ set(SDL2_TTF_INCLUDE_DIRS ${SDL2_TTF_INCLUDE_DIR}) include(FindPackageHandleStandardArgs) FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_ttf - REQUIRED_VARS SDL2_TTF_LIBRARIES SDL2_TTF_INCLUDE_DIRS - VERSION_VAR SDL2_TTF_VERSION_STRING) + REQUIRED_VARS SDL2_TTF_LIBRARIES SDL2_TTF_INCLUDE_DIRS + VERSION_VAR SDL2_TTF_VERSION_STRING) + + +mark_as_advanced(SDL2_TTF_PATH + SDL2_TTF_NO_DEFAULT_PATH + SDL2_TTF_LIBRARY + SDL2_TTF_INCLUDE_DIR) + + +if(SDL2_TTF_FOUND) -# for backward compatibility -set(SDLTTF_LIBRARY ${SDL2_TTF_LIBRARIES}) -set(SDLTTF_INCLUDE_DIR ${SDL2_TTF_INCLUDE_DIRS}) -set(SDLTTF_FOUND ${SDL2_TTF_FOUND}) + # SDL2::TTF target + if(SDL2_TTF_LIBRARY AND NOT TARGET SDL2::TTF) + add_library(SDL2::TTF UNKNOWN IMPORTED) + set_target_properties(SDL2::TTF PROPERTIES + IMPORTED_LOCATION "${SDL2_TTF_LIBRARY}" + INTERFACE_INCLUDE_DIRECTORIES "${SDL2_TTF_INCLUDE_DIR}" + INTERFACE_LINK_LIBRARIES SDL2::Core) + endif() +endif() diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt index da6f0317..3e5335b2 100644 --- a/example/CMakeLists.txt +++ b/example/CMakeLists.txt @@ -64,7 +64,7 @@ if (SDL2_FOUND AND SDL2_ttf_FOUND) counter/sdl2/main.cpp) target_include_directories(counter-sdl2 SYSTEM PUBLIC ${SDL2_INCLUDE_DIRS} - ${SDL2_TTF_INCLUDE_DIR}) + ${SDL2_TTF_INCLUDE_DIRS}) target_link_libraries(counter-sdl2 lager-debugger-example ${SDL2_LIBRARIES} @@ -76,7 +76,7 @@ if (SDL2_FOUND AND SDL2_ttf_FOUND) autopong/sdl2/main.cpp) target_include_directories(autopong SYSTEM PUBLIC ${SDL2_INCLUDE_DIRS} - ${SDL2_TTF_INCLUDE_DIR}) + ${SDL2_TTF_INCLUDE_DIRS}) target_link_libraries(autopong lager-debugger-example ${SDL2_LIBRARIES} @@ -89,7 +89,7 @@ if (SDL2_FOUND AND SDL2_ttf_FOUND) target_compile_definitions(autopong-debug PUBLIC DEBUGGER) target_include_directories(autopong-debug SYSTEM PUBLIC ${SDL2_INCLUDE_DIRS} - ${SDL2_TTF_INCLUDE_DIR}) + ${SDL2_TTF_INCLUDE_DIRS}) target_link_libraries(autopong-debug lager-debugger-example ${SDL2_LIBRARIES}