initial commit

third_party/libhv/cmake/utils.cmake

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+include(CheckIncludeFiles)
+macro(check_header header)
+    string(TOUPPER ${header} str1)
+    string(REGEX REPLACE "[/.]" "_" str2 ${str1})
+    set(str3 HAVE_${str2})
+    check_include_files(${header} ${str3})
+    if (${str3})
+        set(${str3} 1)
+    else()
+        set(${str3} 0)
+    endif()
+endmacro()
+
+include(CheckSymbolExists)
+macro(check_function function header)
+    string(TOUPPER ${function} str1)
+    set(str2 HAVE_${str1})
+    check_symbol_exists(${function} ${header} ${str2})
+    if (${str2})
+        set(${str2} 1)
+    else()
+        set(${str2} 0)
+    endif()
+endmacro()
+
+macro(list_source_directories srcs)
+    unset(tmp)
+    foreach(dir ${ARGN})
+        aux_source_directory(${dir} tmp)
+    endforeach()
+    set(${srcs} ${tmp})
+    list(FILTER ${srcs} EXCLUDE REGEX ".*_test\\.c")
+endmacro()
+
+macro(glob_headers_and_sources files)
+    unset(tmp)
+    foreach(dir ${ARGN})
+        file(GLOB tmp ${dir}/*.h ${dir}/*.c ${dir}/*.hpp ${dir}/*.cpp)
+        list(APPEND ${files} ${tmp})
+    endforeach()
+    list(FILTER ${files} EXCLUDE REGEX ".*_test\\.c")
+endmacro()