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# Copyright 2012 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
project(waffle C)
cmake_minimum_required(VERSION 2.8)
# Release version.
set(waffle_version 0.2)
# Library version.
#
# The library version scheme follows the libtool guidelines and is independent
# of the release version. It is appended to libwaffle.so as libwaffle.so.X.X.X.
# See http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html.
set(waffle_so_version "1.0.0")
# ------------------------------------------------------------------------------
# Waffle Options
# ------------------------------------------------------------------------------
# All options here are prefixed with `waffle_`. Most options are cache
# variables set by the user.
# ----------------------------------------------
# Set waffle options
# ----------------------------------------------
option(waffle_build_tests "Build tests" ON)
option(waffle_build_examples "Build examples" ON)
option(waffle_has_glx "Build support for GLX" OFF)
option(waffle_has_wayland "Build support for Wayland" OFF)
option(waffle_has_x11_egl "Build support for X11/EGL" OFF)
set(waffle_install_includedir "${CMAKE_INSTALL_PREFIX}/include"
CACHE PATH "Directory where header files will be installed")
set(waffle_install_libdir "${CMAKE_INSTALL_PREFIX}/lib"
CACHE PATH "Directory where libraries will be installed")
set(waffle_install_docdir "${CMAKE_INSTALL_PREFIX}/share/doc/waffle"
CACHE PATH "Directory where documentation will be installed")
#
# Set internal options.
#
if(waffle_has_wayland OR waffle_has_x11_egl)
set(waffle_has_egl TRUE)
else(waffle_has_wayland OR waffle_has_x11_egl)
set(waffle_has_egl FALSE)
endif(waffle_has_wayland OR waffle_has_x11_egl)
if(waffle_has_glx OR waffle_has_x11_egl)
set(waffle_has_x11 TRUE)
else(waffle_has_glx OR waffle_has_x11_egl)
set(waffle_has_x11 FALSE)
endif(waffle_has_glx OR waffle_has_x11_egl)
# ----------------------------------------------
# Validate waffle options
# ----------------------------------------------
if(NOT waffle_has_glx
AND NOT waffle_has_x11_egl)
message(FATAL_ERROR "Must enable at least one of: waffle_has_glx, waffle_has_x11_egl.")
endif(NOT waffle_has_glx
AND NOT waffle_has_x11_egl)
# ------------------------------------------------------------------------------
# Find Libraries
# ------------------------------------------------------------------------------
function(waffle_find_library var name)
find_library("${var}" "${name}")
if("${var}")
message(STATUS "Library ${name} found: ${${var}}")
else("${var}")
message(STATUS "Library ${name} not found")
endif("${var}")
endfunction(waffle_find_library)
if(waffle_has_egl)
waffle_find_library(waffle_EGL_library EGL)
endif(waffle_has_egl)
if(waffle_has_glx)
waffle_find_library(waffle_GL_library GL)
endif(waffle_has_glx)
if(waffle_has_wayland)
waffle_find_library(waffle_wayland-client_library wayland-client)
waffle_find_library(waffle_wayland-egl_library wayland-egl)
endif(waffle_has_wayland)
if(waffle_has_x11)
waffle_find_library(waffle_X11-xcb_library X11-xcb)
endif(waffle_has_x11)
# ------------------------------------------------------------------------------
# Compiler Flags
# ------------------------------------------------------------------------------
# FIXME: Only enable c99 if compiler supports it.
set(CMAKE_C_FLAGS "--std=c99 -Wall -Werror")
set(CMAKE_C_FLAGS_DEBUG "-g3 -O0 -DDEBUG")
# Produce enough debug info for generating backtraces, but not
# single-stepping.
set(CMAKE_C_FLAGS_RELEASE "-g1 -02 -DNDEBUG")
#
# Define macros WAFFLE_HAS_{PLATFORM}.
#
# Android is not in this list because it uses a separate build system.
#
if(waffle_has_glx)
add_definitions(-DWAFFLE_HAS_GLX)
endif(waffle_has_glx)
if(waffle_has_wayland)
add_definitions(-DWAFFLE_HAS_WAYLAND)
endif(waffle_has_wayland)
if(waffle_has_x11_egl)
add_definitions(-DWAFFLE_HAS_X11_EGL)
endif(waffle_has_x11_egl)
# ------------------------------------------------------------------------------
# Add subdirectories
# ------------------------------------------------------------------------------
include_directories(include src)
add_subdirectory(src)
add_subdirectory(include)
if(waffle_build_tests)
add_subdirectory(tests)
endif(waffle_build_tests)
if(waffle_build_examples)
add_subdirectory(examples)
endif(waffle_build_examples)
# ------------------------------------------------------------------------------
# Target: check
# ------------------------------------------------------------------------------
# The unit tests are ran first. If they fail, then no subsequent tests are ran.
if(waffle_build_tests)
add_custom_target(check
DEPENDS waffle-unittest gl_basic_test
COMMAND ${CMAKE_BINARY_DIR}/tests/unittests/waffle-unittest
COMMAND ${CMAKE_BINARY_DIR}/tests/functional/gl_basic_test
)
endif(waffle_build_tests)
# ------------------------------------------------------------------------------
# Install: waffle.pc
# ------------------------------------------------------------------------------
configure_file(waffle.pc.in waffle.pc @ONLY)
install(FILES ${CMAKE_BINARY_DIR}/waffle.pc
DESTINATION ${waffle_install_libdir}/pkgconfig)
# ------------------------------------------------------------------------------
# Print summary
# ------------------------------------------------------------------------------
# CMake is annoyingly silent compared to autoconf. The user wants to know what
# was configured how.
message("-----------------------------------------------")
message("")
message("Waffle configuration summary")
message("")
message("Supported platforms: ")
if(waffle_has_glx)
message(" glx")
endif(waffle_has_glx)
if(waffle_has_wayland)
message(" wayland")
endif(waffle_has_wayland)
if(waffle_has_x11_egl)
message(" x11_egl")
endif(waffle_has_x11_egl)
message("")
message("Libraries:")
if(DEFINED waffle_EGL_library)
message(" EGL: ${waffle_EGL_library}")
endif(DEFINED waffle_EGL_library)
if(DEFINED waffle_GL_library)
message(" GL: ${waffle_GL_library}")
endif(DEFINED waffle_GL_library)
if(waffle_has_wayland)
message(" wayland-client: ${waffle_wayland-client_library}")
message(" wayland-egl: ${waffle_wayland-egl_library}")
endif(waffle_has_wayland)
if(DEFINED waffle_X11-xcb_library)
message(" X11-xcb: ${waffle_X11-xcb_library}")
endif(DEFINED waffle_X11-xcb_library)
message("")
message("Build type:")
message(" ${CMAKE_BUILD_TYPE}")
message("")
message("Tools:")
message(" cc: ${CMAKE_C_COMPILER}")
message(" CFLAGS_base: ${CMAKE_C_FLAGS}")
message(" CFLAGS_debug: ${CMAKE_C_FLAGS_DEBUG}")
message(" CFLAGS_release: ${CMAKE_C_FLAGS_RELEASE}")
message("")
message("Install paths:")
message(" includedir: ${waffle_install_libdir}")
message(" libdir: ${waffle_install_libdir}")
message(" docdir: ${waffle_install_docdir}")
message("-----------------------------------------------")
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