Initial import of libdpf.

Co-authored-by: Cursor <cursoragent@cursor.com>

thirdparty/simde/test/cmake/ExtraWarningFlags.cmake

@@ -0,0 +1,68 @@
+# This is basically supposed to be the CMake equivalent of
+# https://git.gnome.org/browse/gnome-common/tree/macros2/gnome-compiler-flags.m4
+
+include (AddCompilerFlags)
+
+if (MSVC)
+  set (EXTRA_WARNING_FLAGS
+    /W4
+    /analyze)
+else ()
+  set (EXTRA_WARNING_FLAGS
+    -Wall
+    -Wcast-align
+    -Wclobbered
+    -Wempty-body
+    -Werror=format=2
+    -Werror=format-security
+    -Werror=implicit-function-declaration
+    -Werror=init-self
+    -Werror=missing-include-dirs
+    -Werror=missing-prototypes
+    -Werror=pointer-arith
+    -Wextra
+    -Wformat-nonliteral
+    -Wformat-security
+    -Wignored-qualifiers
+    -Winit-self
+    -Winvalid-pch
+    -Wlogical-op
+    -Wmissing-declarations
+    -Wmissing-format-attribute
+    -Wmissing-include-dirs
+    -Wmissing-noreturn
+    -Wmissing-parameter-type
+    -Wmissing-prototypes
+    -Wnested-externs
+    -Wno-missing-field-initializers
+    -Wno-strict-aliasing
+    -Wno-uninitialized
+    -Wno-unused-parameter
+    -Wold-style-definition
+    -Woverride-init
+    -Wpacked
+    -Wpointer-arith
+    -Wredundant-decls
+    -Wreturn-type
+    -Wshadow
+    -Wsign-compare
+    -Wstrict-prototypes
+    -Wswitch-enum
+    -Wsync-nand
+    -Wtype-limits
+    -Wundef
+    -Wuninitialized
+    -WUnsafe-loop-optimizations
+    -Wwrite-strings
+    -Wsuggest-attribute=format)
+endif ()
+
+mark_as_advanced (EXTRA_WARNING_FLAGS)
+
+function (target_add_extra_warning_flags target)
+  target_add_compiler_flags (${target} ${EXTRA_WARNING_FLAGS})
+endfunction (target_add_extra_warning_flags)
+
+function (source_file_add_extra_warning_flags file)
+  source_file_add_compiler_flags (${file} ${EXTRA_WARNING_FLAGS})
+endfunction (source_file_add_extra_warning_flags)