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meson.build: Define _DEFAULT_SOURCE for realpath() - #120
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Since commit 4560980 ("src: main: Allow passing symlinks as device paths"), partup uses realpath(). This POSIX function is not declared by glibc when building with strict -std=c99, which results in an implicit declaration. Define _DEFAULT_SOURCE project-wide to expose it, while keeping the strict C99 standard. Signed-off-by: Martin Schwan <m.schwan@phytec.de>
landerweit-phytec
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Oct 12, 2026
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Since commit 4560980 ("src: main: Allow passing symlinks as device paths"), partup uses realpath(). This POSIX function is not declared by glibc when building with strict -std=c99, which results in an implicit declaration.
Define _DEFAULT_SOURCE project-wide to expose it, while keeping the strict C99 standard.