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# Resolve tools before project() performs its compiler and generator checks.
if(CMAKE_GENERATOR MATCHES "Makefiles|Ninja")
foreach(language C CXX)
if(language STREQUAL "C")
set(names clang-23 clang)
set(compiler_environment CC)
else()
set(names clang++-23 clang++)
set(compiler_environment CXX)
endif()
if(CMAKE_${language}_COMPILER)
if(NOT IS_ABSOLUTE "${CMAKE_${language}_COMPILER}")
cpsc_find_dependency(PROGRAM CMAKE_${language}_COMPILER
NAMES "${CMAKE_${language}_COMPILER}" REQUIRED)
endif()
elseif("$ENV{${compiler_environment}}" STREQUAL "")
cpsc_find_dependency(PROGRAM CMAKE_${language}_COMPILER NAMES ${names} REQUIRED)
endif()
# project() would otherwise restore the previous path from this file.
set(compiler_info "${CMAKE_BINARY_DIR}/CMakeFiles/${CMAKE_VERSION}/CMake${language}Compiler.cmake")
if(EXISTS "${compiler_info}")
file(STRINGS "${compiler_info}" previous
REGEX "^set\\(CMAKE_${language}_COMPILER \"")
string(REGEX REPLACE "^set\\(CMAKE_${language}_COMPILER \"([^\"]*)\"\\)$"
"\\1" previous "${previous}")
if(NOT previous STREQUAL CMAKE_${language}_COMPILER)
file(REMOVE "${compiler_info}")
endif()
endif()
endforeach()
endif()
if(CMAKE_GENERATOR MATCHES "Ninja")
set(names ninja ninja-build)
elseif(CMAKE_GENERATOR STREQUAL "MinGW Makefiles")
set(names mingw32-make)
elseif(CMAKE_GENERATOR MATCHES "NMake")
set(names nmake)
elseif(CMAKE_GENERATOR STREQUAL "MSYS Makefiles")
set(names make)
elseif(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
set(names gmake make)
else()
set(names)
endif()
if(names)
cpsc_find_dependency(PROGRAM CMAKE_MAKE_PROGRAM NAMES ${names} REQUIRED)
endif()
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