yajl_tree_parse is declared in yajl/yajl_tree.h autoconf is more forgiving, the error did not trigger because yajl_tree_parse is not actually used. Fixes commit 44b8df4cb4b3f0c143e0330f543812e6bcd5c9f0 Fixes commit 88ab32a4e555f67dae3204fbc3bcf63d3da8ad2b Signed-off-by: Olaf Hering <olaf(a)aepfle.de&gt; --- meson.build | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/meson.build b/meson.build index 9ee8dffa60..2b2ce6dfb1 100644 --- a/meson.build +++ b/meson.build @@ -1471,7 +1471,7 @@ if not get_option('yajl').disabled() if not yajl_dep.found() yajl_dep = cc.find_library('yajl', required: get_option('yajl')) if yajl_dep.found() - has_func = cc.has_function('yajl_tree_parse', dependencies: yajl_dep, prefix: '#include <yajl/yajl_common.h>') + has_func = cc.has_function('yajl_tree_parse', dependencies: yajl_dep, prefix: '#include <yajl/yajl_tree.h>') if not has_func and get_option('yajl').enabled() error('yajl >= @0@ was not found'.format(yajl_version)) elif not has_func