build-sys: add check for gperf lookup function signature (#5055)
gperf-3.1 generates lookup functions that take a size_t length parameter instead of unsigned int. Test for this at configure time. Fixes: https://github.com/systemd/systemd/issues/5039
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Martin Pitt
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64083a6078
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c9f7b4d356
@@ -175,7 +175,7 @@ NetDevKind netdev_kind_from_string(const char *d) _pure_;
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int config_parse_netdev_kind(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
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/* gperf */
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const struct ConfigPerfItem* network_netdev_gperf_lookup(const char *key, unsigned length);
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const struct ConfigPerfItem* network_netdev_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
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/* Macros which append INTERFACE= to the message */
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