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On 2018-03-13 13:10, Ken Brown wrote: > $ cat test.c > #include <wchar.h> > > $ gcc -std=c99 -O2 -Wp,-D_FORTIFY_SOURCE=2 -c test.c > In file included from /usr/include/ssp/wchar.h:5:0, > from /usr/include/wchar.h:336, > from test.c:1: > /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ > __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int __wlen, > FILE *__restrict __fp)) > ^ > /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ > __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int __wlen, > FILE *__restrict __fp)) > ^ > > If I drop '-std=c99', the problem goes away because FILE is defined in > /usr/include/wchar.h prior to the inclusion of /usr/include/ssp/wchar.h. > > If I drop '-Wp,-D_FORTIFY_SOURCE=2', the problem goes away because > /usr/include/wchar.h doesn't use FILE; it only uses __FILE. > > Should /usr/include/ssp/wchar.h be changed to similarly avoid FILE? Yes, I checked in a patch. -- Yaakov
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