assets/README.txt

 SONIC ROBO BLAST 2
 
-Sonic Robo Blast 2 (SRB2) is a 3D Sonic the Hedgehog fangame based on a
-modified version of Doom Legacy.
+Sonic Robo Blast 2 (SRB2) is a 3D Sonic the Hedgehog fangame, based on a modified version of Doom Legacy.
+
+https://www.srb2.org
 
 LICENSE
 
-The source code for SRB2 is licensed under the GNU General Public
-License, Version 2. See LICENSE.txt for the full text of this license.
+The source code for SRB2 is licensed under the GNU General Public License, Version 2. See LICENSE.txt for the full text of this license.
 
-SRB2 uses various third-party libraries, including SDL, SDL Mixer, and
-their dependencies. See LICENSE-3RD-PARTY.txt for the licenses of these
-libraries.
+SRB2 uses various third-party libraries, including SDL, SDL Mixer, and their dependencies. See LICENSE-3RD-PARTY.txt for the licenses of these libraries.
 
 SOURCE CODE
 
-You may obtain the source code for SRB2, including the source code for
-specific version releases, at the following web sites:
+You may obtain the source code for SRB2, including the source code for specific version releases, at the following web sites:
 
 STJr GitLab:
-https://git.magicalgirl.moe/STJr/SRB2
+https://git.do.srb2.org/STJr/SRB2
 
 GitHub:
 https://github.com/STJr/SRB2
@@ -27,25 +24,24 @@ CONTACT
 
 You may contact Sonic Team Junior via the following web sites:
 
-SRB2.ORG:
-https://www.srb2.org
-
 SRB2 Message Board:
 https://mb.srb2.org
 
 SRB2 Official Discord:
-https://discord.gg/pYDXzpX (13+)
+https://discord.gg/b3BGb8A
+
+Twitter:
+https://twitter.com/SonicTeamJr
+
 
 COPYRIGHT AND DISCLAIMER
 
-Design and content on SRB2 is copyright 1998-2019 by Sonic Team Junior.
-All non-original material on SRB2.ORG is copyrighted by their
-respective owners, and no copyright infringement is intended. The owner
-of the SRB2.ORG domain is only acting as an ISP, and is therefore not
-responsible for any content on SRB2.ORG under the 1998 DMCA. This
-site, its webmaster, and its staff make no profit whatsoever (in fact,
-we lose money). Sonic Team Junior assumes no responsibility for the
-content on any Sonic Team Junior fan sites.
-
-Sonic Team Junior is in no way affiliated with SEGA or Sonic Team. We do
-not claim ownership of any of SEGA's intellectual property used in SRB2.
+Design and content in Sonic Robo Blast 2 is copyright 1998-2025 by Sonic Team Jr.
+
+All original material in this game is copyrighted by their respective owners, and no copyright infringement is intended. Sonic Team Jr. is in no way affiliated with SEGA or Sonic Team, and we do not claim ownership of any of SEGA's intellectual property used in SRB2.
+
+Sonic Robo Blast 2 is not commercial software. If you purchased this game, you have been scammed! Sonic Team Jr.'s staff makes no profit whatsoever (in fact, we lose money).
+
+The owner of the srb2.org domain is only acting as an ISP, and is therefore not responsible for any content on srb2.org under the 1998 DMCA. Sonic Team Jr. assumes no responsibility for the content on any Sonic Team Jr. fan sites.
+
+This software is provided as-is with no warranty whatsoever.

assets/debian-template/copyright

@@ -12,7 +12,7 @@ Upstream Author(s):
 
 Copyright:
 
-    Copyright (C) 1998-2018 by Sonic Team Junior
+    Copyright (C) 1998-2025 by Sonic Team Junior
 
 License:
 
@@ -21,7 +21,7 @@ License:
 The Debian packaging is:
 
     Copyright (C) 2010 Callum Dickinson <gcfreak_ag20@hotmail.com>
-    Copyright (C) 2010-2018 by Sonic Team Junior <stjr@srb2.org>
+    Copyright (C) 2010-2025 by Sonic Team Junior <stjr@srb2.org>
 
 and is licensed under the GPL version 2,
 see "/usr/share/common-licenses/GPL-2".

cmake/Comptime.cmake

+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+
+set(CMAKE_BINARY_DIR "${BINARY_DIR}")
+set(CMAKE_CURRENT_BINARY_DIR "${BINARY_DIR}")
+
+# Set up CMAKE path
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")
+
+include(GitUtilities)
+
+git_current_branch(SRB2_COMP_BRANCH)
+git_working_tree_dirty(SRB2_COMP_UNCOMMITTED)
+
+git_latest_commit(SRB2_COMP_REVISION)
+git_subject(subject)
+string(REGEX REPLACE "([\"\\])" "\\\\\\1" SRB2_COMP_NOTE "${subject}")
+
+if("${CMAKE_BUILD_TYPE}" STREQUAL "")
+	set(CMAKE_BUILD_TYPE None)
+endif()
+
+# These build types enable optimizations of some kind by default.
+set(optimized_build_types "MINSIZEREL;RELEASE;RELWITHDEBINFO")
+
+string(TOUPPER "${CMAKE_BUILD_TYPE}" build_type)
+if("${build_type}" IN_LIST optimized_build_types)
+	set(SRB2_COMP_OPTIMIZED TRUE)
+else()
+	set(SRB2_COMP_OPTIMIZED FALSE)
+endif()
+
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/config.h.in" "${CMAKE_CURRENT_BINARY_DIR}/src/config.h")

cmake/Modules/CMakeASM_YASMInformation.cmake

-
-#=============================================================================
-# Copyright 2010 Kitware, Inc.
-#
-# 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.)
-
-# support for the yasm assembler
-
-set(CMAKE_ASM_YASM_SOURCE_FILE_EXTENSIONS nasm yasm asm)
-
-if(NOT CMAKE_ASM_YASM_OBJECT_FORMAT)
-  if(WIN32)
-    if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
-      set(CMAKE_ASM_YASM_OBJECT_FORMAT win64)
-    else()
-      set(CMAKE_ASM_YASM_OBJECT_FORMAT win32)
-    endif()
-  elseif(APPLE)
-    if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
-      set(CMAKE_ASM_YASM_OBJECT_FORMAT macho64)
-    else()
-      set(CMAKE_ASM_YASM_OBJECT_FORMAT macho)
-    endif()
-  else()
-    if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
-      set(CMAKE_ASM_YASM_OBJECT_FORMAT elf64)
-    else()
-      set(CMAKE_ASM_YASM_OBJECT_FORMAT elf)
-    endif()
-  endif()
-endif()
-
-set(CMAKE_ASM_YASM_COMPILE_OBJECT "<CMAKE_ASM_YASM_COMPILER> <FLAGS> -f ${CMAKE_ASM_YASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
-
-# Load the generic ASMInformation file:
-set(ASM_DIALECT "_YASM")
-include(CMakeASMInformation)
-set(ASM_DIALECT)

cmake/Modules/CMakeDetermineASM_YASMCompiler.cmake

-
-#=============================================================================
-# Copyright 2010 Kitware, Inc.
-#
-# 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.)
-
-# Find the nasm assembler. yasm (http://www.tortall.net/projects/yasm/) is nasm compatible
-
-set(CMAKE_ASM_YASM_COMPILER_LIST nasm yasm)
-
-if(NOT CMAKE_ASM_YASM_COMPILER)
-  find_program(CMAKE_ASM_YASM_COMPILER yasm
-    "$ENV{ProgramFiles}/YASM")
-endif()
-
-# Load the generic DetermineASM compiler file with the DIALECT set properly:
-set(ASM_DIALECT "_YASM")
-include(CMakeDetermineASMCompiler)
-set(ASM_DIALECT)

cmake/Modules/CMakeTestASM_YASMCompiler.cmake

-
-#=============================================================================
-# Copyright 2010 Kitware, Inc.
-#
-# 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.)
-
-# This file is used by EnableLanguage in cmGlobalGenerator to
-# determine that the selected ASM_NASM "compiler" works.
-# For assembler this can only check whether the compiler has been found,
-# because otherwise there would have to be a separate assembler source file
-# for each assembler on every architecture.
-
-set(ASM_DIALECT "_YASM")
-include(CMakeTestASMCompiler)
-set(ASM_DIALECT)

cmake/Modules/FindGME.cmake

-include(LibFindMacros)
-
-libfind_pkg_check_modules(GME_PKGCONF GME)
-
-find_path(GME_INCLUDE_DIR
-	NAMES gme.h
-	PATHS
-		${GME_PKGCONF_INCLUDE_DIRS}
-		"/usr/include/gme"
-		"/usr/local/include/gme"
-)
-
-find_library(GME_LIBRARY
-	NAMES gme
-	PATHS
-		${GME_PKGCONF_LIBRARY_DIRS}
-		"/usr/lib"
-		"/usr/local/lib"
-)
-
-set(GME_PROCESS_INCLUDES GME_INCLUDE_DIR)
-set(GME_PROCESS_LIBS GME_LIBRARY)
-libfind_process(GME)
\ No newline at end of file

cmake/Modules/FindOPENMPT.cmake

-include(LibFindMacros)
-
-libfind_pkg_check_modules(OPENMPT_PKGCONF OPENMPT)
-
-find_path(OPENMPT_INCLUDE_DIR
-	NAMES libopenmpt.h
-	PATHS
-		${OPENMPT_PKGCONF_INCLUDE_DIRS}
-		"/usr/include/libopenmpt"
-		"/usr/local/include/libopenmpt"
-)
-
-find_library(OPENMPT_LIBRARY
-	NAMES openmpt
-	PATHS
-		${OPENMPT_PKGCONF_LIBRARY_DIRS}
-		"/usr/lib"
-		"/usr/local/lib"
-)
-
-set(OPENMPT_PROCESS_INCLUDES OPENMPT_INCLUDE_DIR)
-set(OPENMPT_PROCESS_LIBS OPENMPT_LIBRARY)
-libfind_process(OPENMPT)
\ No newline at end of file

cmake/Modules/FindSDL2.cmake

@@ -31,3 +31,13 @@ find_library(SDL2_LIBRARY
 set(SDL2_PROCESS_INCLUDES SDL2_INCLUDE_DIR)
 set(SDL2_PROCESS_LIBS SDL2_LIBRARY)
 libfind_process(SDL2)
+
+if(SDL2_FOUND AND NOT TARGET SDL2::SDL2)
+	add_library(SDL2::SDL2 UNKNOWN IMPORTED)
+	set_target_properties(
+		SDL2::SDL2
+		PROPERTIES
+		IMPORTED_LOCATION "${SDL2_LIBRARY}"
+		INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
+	)
+endif()

cmake/Modules/FindSDL2_mixer.cmake

@@ -32,3 +32,13 @@ find_library(SDL2_MIXER_LIBRARY
 set(SDL2_MIXER_PROCESS_INCLUDES SDL2_MIXER_INCLUDE_DIR)
 set(SDL2_MIXER_PROCESS_LIBS SDL2_MIXER_LIBRARY)
 libfind_process(SDL2_MIXER)
+
+if(SDL2_MIXER_FOUND AND NOT TARGET SDL2_mixer::SDL2_mixer)
+	add_library(SDL2_mixer::SDL2_mixer UNKNOWN IMPORTED)
+	set_target_properties(
+		SDL2_mixer::SDL2_mixer
+		PROPERTIES
+		IMPORTED_LOCATION "${SDL2_MIXER_LIBRARY}"
+		INTERFACE_INCLUDE_DIRECTORIES "${SDL2_MIXER_INCLUDE_DIR}"
+	)
+endif()

cmake/Modules/Findlibgme.cmake

+include(LibFindMacros)
+
+libfind_pkg_check_modules(libgme_PKGCONF gme libgme)
+
+find_path(libgme_INCLUDE_DIR
+	NAMES gme.h
+	PATHS
+		${libgme_PKGCONF_INCLUDE_DIRS}
+		"/usr/include"
+		"/usr/local/include"
+	PATH_SUFFIXES
+		gme
+)
+
+find_library(libgme_LIBRARY
+	NAMES gme
+	PATHS
+		${libgme_PKGCONF_LIBRARY_DIRS}
+		"/usr/lib"
+		"/usr/local/lib"
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(libgme
+    REQUIRED_VARS libgme_LIBRARY libgme_INCLUDE_DIR)
+
+if(libgme_FOUND AND NOT TARGET gme)
+	add_library(gme UNKNOWN IMPORTED)
+	set_target_properties(
+		gme
+		PROPERTIES
+		IMPORTED_LOCATION "${libgme_LIBRARY}"
+		INTERFACE_INCLUDE_DIRECTORIES "${libgme_INCLUDE_DIR}"
+	)
+	add_library(gme::gme ALIAS gme)
+endif()
+
+mark_as_advanced(libgme_LIBRARY libgme_INCLUDE_DIR)

cmake/Modules/Findlibopenmpt.cmake

+include(LibFindMacros)
+
+libfind_pkg_check_modules(libopenmpt_PKGCONF openmpt libopenmpt)
+
+find_path(libopenmpt_INCLUDE_DIR
+	NAMES libopenmpt.h
+	PATHS
+		${libopenmpt_PKGCONF_INCLUDE_DIRS}
+		"${VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/include"
+		"/usr/include"
+		"/usr/local/include"
+	PATH_SUFFIXES
++		libopenmpt
+)
+
+find_library(libopenmpt_LIBRARY
+	NAMES openmpt
+	PATHS
+		${libopenmpt_PKGCONF_LIBRARY_DIRS}
+		"/usr/lib"
+		"/usr/local/lib"
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(libopenmpt
+    REQUIRED_VARS libopenmpt_LIBRARY libopenmpt_INCLUDE_DIR)
+
+if(libopenmpt_FOUND AND NOT TARGET openmpt)
+	add_library(openmpt UNKNOWN IMPORTED)
+	set_target_properties(
+		openmpt
+		PROPERTIES
+		IMPORTED_LOCATION "${libopenmpt_LIBRARY}"
+		INTERFACE_INCLUDE_DIRECTORIES "${libopenmpt_INCLUDE_DIR}"
+	)
+	add_library(libopenmpt::libopenmpt ALIAS openmpt)
+endif()
+
+mark_as_advanced(libopenmpt_LIBRARY libopenmpt_INCLUDE_DIR)

cmake/Modules/Findminiupnpc.cmake

+include(LibFindMacros)
+
+libfind_pkg_check_modules(libminiupnpc_PKGCONF miniupnpc libminiupnpc)
+
+find_path(libminiupnpc_INCLUDE_DIR
+	NAMES miniupnpc.h
+	PATHS
+		${libminiupnpc_PKGCONF_INCLUDE_DIRS}
+		"${VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/include"
+		"/usr/include"
+		"/usr/local/include"
+	PATH_SUFFIXES
+		miniupnpc
+)
+
+find_library(libminiupnpc_LIBRARY
+	NAMES miniupnpc
+	PATHS
+		${libminiupnpc_PKGCONF_LIBRARY_DIRS}
+		"/usr/lib"
+		"/usr/local/lib"
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(miniupnpc
+    REQUIRED_VARS libminiupnpc_LIBRARY libminiupnpc_INCLUDE_DIR)
+
+if(miniupnpc_FOUND AND NOT TARGET miniupnpc)
+	add_library(miniupnpc UNKNOWN IMPORTED)
+	set_target_properties(
+		miniupnpc
+		PROPERTIES
+		IMPORTED_LOCATION "${libminiupnpc_LIBRARY}"
+		INTERFACE_INCLUDE_DIRECTORIES "${libminiupnpc_INCLUDE_DIR}"
+	)
+	add_library(miniupnpc::miniupnpc ALIAS miniupnpc)
+endif()
+
+mark_as_advanced(libminiupnpc_LIBRARY libminiupnpc_INCLUDE_DIR)

cmake/Modules/GitUtilities.cmake

@@ -6,38 +6,54 @@ endif()
 
 set(__GitUtilities ON)
 
-function(git_describe variable path)
-	execute_process(COMMAND "${GIT_EXECUTABLE}" "describe"
-		WORKING_DIRECTORY "${path}"
-		RESULT_VARIABLE result
+macro(_git_command)
+	execute_process(
+		COMMAND "${GIT_EXECUTABLE}" ${ARGN}
+		WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
 		OUTPUT_VARIABLE output
 		ERROR_QUIET
 		OUTPUT_STRIP_TRAILING_WHITESPACE
 	)
+endmacro()
 
+macro(_git_easy_command)
+	_git_command(${ARGN})
 	set(${variable} "${output}" PARENT_SCOPE)
-endfunction()
+endmacro()
 
-function(git_current_branch variable path)
-	execute_process(COMMAND ${GIT_EXECUTABLE} "symbolic-ref" "--short" "HEAD"
-		WORKING_DIRECTORY "${path}"
-		RESULT_VARIABLE result
-		OUTPUT_VARIABLE output
-		ERROR_QUIET
-		OUTPUT_STRIP_TRAILING_WHITESPACE
-	)
+function(git_current_branch variable)
+	_git_command(symbolic-ref -q --short HEAD)
+
+	# If a detached head, a ref could still be resolved.
+	if("${output}" STREQUAL "")
+		_git_command(describe --all --exact-match)
+
+		# Get the ref, in the form heads/master or
+		# remotes/origin/master so isolate the final part.
+		string(REGEX REPLACE ".*/" "" output "${output}")
+	endif()
 
 	set(${variable} "${output}" PARENT_SCOPE)
 endfunction()
 
-function(git_latest_commit variable path)
-	execute_process(COMMAND ${GIT_EXECUTABLE} "rev-parse" "--short" "HEAD"
-		WORKING_DIRECTORY "${path}"
-		RESULT_VARIABLE result
-		OUTPUT_VARIABLE output
-		ERROR_QUIET
-		OUTPUT_STRIP_TRAILING_WHITESPACE
-	)
+function(git_latest_commit variable)
+	_git_easy_command(rev-parse --short HEAD)
+endfunction()
 
-	set(${variable} "${output}" PARENT_SCOPE)
-endfunction()
\ No newline at end of file
+function(git_working_tree_dirty variable)
+	_git_command(status --porcelain -uno)
+
+	if(output STREQUAL "")
+		set(${variable} FALSE PARENT_SCOPE)
+	else()
+		set(${variable} TRUE PARENT_SCOPE)
+	endif()
+endfunction()
+
+function(git_subject variable)
+	_git_easy_command(log -1 --format=%s)
+endfunction()
+
+function(get_git_dir variable)
+	_git_easy_command(rev-parse --git-dir)
+endfunction()

cmake/Modules/clang-tidy-default.cmake

+find_program(CLANG_TIDY clang-tidy)
+
+# Note: Apple Clang does not ship with clang tools. If you want clang-tidy on
+# macOS, it's best to install the Homebrew llvm bottle and set CLANG_TIDY
+# in your build directory. The llvm package is keg-only, so it will not
+# collide with Apple Clang.
+
+function(target_set_default_clang_tidy target lang checks)
+    if("${CLANG_TIDY}" STREQUAL "CLANG_TIDY-NOTFOUND")
+        return()
+    endif()
+
+    get_target_property(c_clang_tidy_prop SRB2SDL2 C_CLANG_TIDY)
+    if(NOT ("${c_clang_tidy_prop}" STREQUAL "c_clang_tidy_prop-NOTFOUND"))
+        return()
+    endif()
+
+    set_target_properties("${target}" PROPERTIES
+	    ${lang}_CLANG_TIDY "${CLANG_TIDY};-checks=${checks}"
+    )
+endfunction()

cmake/PatchFile.cmake

+# use GNU Patch from any platform
+
+if(WIN32)
+  # prioritize Git Patch on Windows as other Patches may be very old and incompatible.
+  find_package(Git)
+  if(Git_FOUND)
+    get_filename_component(GIT_DIR ${GIT_EXECUTABLE} DIRECTORY)
+    get_filename_component(GIT_DIR ${GIT_DIR} DIRECTORY)
+  endif()
+endif()
+
+find_program(PATCH
+NAMES patch
+HINTS ${GIT_DIR}
+PATH_SUFFIXES usr/bin
+)
+
+if(NOT PATCH)
+  message(FATAL_ERROR "Did not find GNU Patch")
+endif()
+
+execute_process(COMMAND ${PATCH} ${in_file} --input=${patch_file} --output=${out_file} --ignore-whitespace
+TIMEOUT 15
+COMMAND_ECHO STDOUT
+RESULT_VARIABLE ret
+)
+
+if(NOT ret EQUAL 0)
+  message(FATAL_ERROR "Failed to apply patch ${patch_file} to ${in_file} with ${PATCH}")
+endif()
\ No newline at end of file

cmake/Toolchains/mingw-w64-i686.cmake

+set(CMAKE_SYSTEM_NAME Windows)
+set(TOOLCHAIN_PREFIX i686-w64-mingw32)
+
+# cross compilers to use for C, C++ and Fortran
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+set(CMAKE_Fortran_COMPILER ${TOOLCHAIN_PREFIX}-gfortran)
+set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
+
+# target environment on the build host system
+set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})
+
+# modify default behavior of FIND_XXX() commands
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

cmake/Toolchains/mingw-w64-x86_64.cmake

+set(CMAKE_SYSTEM_NAME Windows)
+set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
+
+# cross compilers to use for C, C++ and Fortran
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+set(CMAKE_Fortran_COMPILER ${TOOLCHAIN_PREFIX}-gfortran)
+set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
+
+# target environment on the build host system
+set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})
+
+# modify default behavior of FIND_XXX() commands
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

cmake/launch-c.in

-#!/bin/sh
-export CCACHE_CPP2=true
-exec "${RULE_LAUNCH_COMPILE}" "${CMAKE_C_COMPILER}" "$@"

cmake/launch-cxx.in

-#!/bin/sh
-export CCACHE_CPP2=true
-exec "${RULE_LAUNCH_COMPILE}" "${CMAKE_C_COMPILER}" "$@"