Implement a simple hierarchial cmake setup that completely separates the

frontend from libwashdc.

regression_tests/sh4div_test.pl

@@ -52,7 +52,7 @@
 $FLASH_PATH="./dc_flash.bin";
 $SYSCALL_PATH="./syscalls.bin";
 $SH4DIV_TEST_PATH="./sh4div_test.bin";
-$WASH_PATH="./washingtondc";
+$WASH_PATH="./src/washingtondc/washingtondc";
 $WASH_ARGS="-b $FIRMWARE_PATH -f $FLASH_PATH -s $SYSCALL_PATH -u $SH4DIV_TEST_PATH -tc";
 
 # path to where the serial port output from WashingtonDC gets logged

regression_tests/sh4tmu_test.pl

@@ -52,7 +52,7 @@
 $FLASH_PATH="./dc_flash.bin";
 $SYSCALL_PATH="./syscalls.bin";
 $SH4TMU_TEST_PATH="./sh4tmu_test.bin";
-$WASH_PATH="./washingtondc";
+$WASH_PATH="./src/washingtondc/washingtondc";
 $WASH_ARGS="-b $FIRMWARE_PATH -f $FLASH_PATH -s $SYSCALL_PATH -u $SH4TMU_TEST_PATH -tc";
 
 # path to where the serial port output from WashingtonDC gets logged

src/CMakeLists.txt

@@ -0,0 +1,77 @@
+################################################################################
+#
+#
+#    WashingtonDC Dreamcast Emulator
+#    Copyright (C) 2016-2019 snickerbockers
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program 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 General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#
+################################################################################
+
+set(CMAKE_LEGACY_CYGWIN_WIN32 0) # Remove when CMake >= 2.8.4 is required
+cmake_minimum_required(VERSION 2.6)
+include(ExternalProject)
+
+set (LIBEVENT_LIB_PATH ${CMAKE_CURRENT_BINARY_DIR})
+
+if(NOT CMAKE_BUILD_TYPE)
+       set(CMAKE_BUILD_TYPE Release)
+       message("Setting CMAKE_BUILD_TYPE to Release by default")
+endif()
+
+set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
+set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+
+# i need this for strdup and clock_gettime on Debian for some unknown reason
+add_definitions(-D_POSIX_C_SOURCE=200809L)
+
+# While I prefer to avoid using GNU-specific stuff when possible, in general
+# I don't give a damn about portability to Windows
+add_definitions(-D_GNU_SOURCE)
+
+find_package(OpenGL REQUIRED)
+
+# turn on strict warnings - i have no idea how to do this in windows
+if(UNIX)
+    # the -Wno-format-trunction is there to prevent gcc from raising frivolous
+    # warnings whenever there's a chance that snprintf might do the one thing
+    # it exists to do.
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -Wno-format-truncation")
+endif()
+
+if (USE_LIBEVENT)
+    add_definitions(-DUSE_LIBEVENT)
+    ExternalProject_Add(libevent
+                        PREFIX washingtondc-libevent
+                        GIT_REPOSITORY https://github.com/libevent/libevent
+                        GIT_TAG release-2.1.8-stable
+                        INSTALL_DIR ${LIBEVENT_LIB_PATH}
+                        CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBEVENT_LIB_PATH} -DEVENT__DISABLE_TESTS=On -DEVENT__DISABLE_REGRESS=On -DEVENT__DISABLE_BENCHMARK=On -DEVENT__DISABLE_OPENSSL=On -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+                        BUILD_IN_SOURCE 1)
+endif()
+
+if (USE_LIBEVENT)
+    set(include_dirs "${include_dirs}"
+                     "${CMAKE_BINARY_DIR}/washingtondc-libevent/src/libevent/include")
+endif()
+
+add_subdirectory(washdc)
+add_subdirectory(washingtondc)
+
+if (USE_LIBEVENT)
+    add_dependencies(washingtondc libevent washdc)
+    add_dependencies(washdc libevent)
+endif()