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file(GLOB sub-dir /usr/include/c++/[0-9].[0-9]*.[0-9]*)
foreach(dir ${sub-dir})
if(IS_DIRECTORY ${dir})
set(GCC_PATH_SUFFIXES ${GCC_PATH_SUFFIXES};${dir})
endif()
endforeach()
FIND_PATH(GCC_STD_INCLUDE_DIR
NAMES unordered_map
PATH_SUFFIXES / ${GCC_PATH_SUFFIXES}
PATHS "${PROJECT_SOURCE_DIR}/../stdlib/"
${GCC_STD_ROOT}
$ENV{GCC_STD_ROOT}
/
)
message("Found gcc stdandard library at: ${GCC_STD_INCLUDE_DIR}.")
IF(GCC_STD_INCLUDE_DIR)
SET(GCC_STD_FOUND TRUE)
ELSE(GCC_STD_INCLUDE_DIR)
SET(GCC_STD_FOUND FALSE)
ENDIF(GCC_STD_INCLUDE_DIR)
IF(GCC_STD_FOUND)
MESSAGE(STATUS "Found gcc standard library in ${GCC_STD_INCLUDE_DIR}")
ELSE(GCC_STD_FOUND)
IF(GCC_STD_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find the gcc standard library")
ENDIF(GCC_STD_FIND_REQUIRED)
ENDIF(GCC_STD_FOUND)
MARK_AS_ADVANCED(
GCC_STD_INCLUDE_DIR
)