Hi Bruno, Bruno Haible <br...@clisp.org> writes:
> With tcc 0.9.25 on i386-linux-gnu (I can't even build it for x86_64) I also > get other errors (with a testdir of all posix-modules): Actually, it’s 0.9.25 plus a couple of patches adding ‘alloca’ support (!) and a bit of sed to point it to the right libc: https://svn.nixos.org/repos/nix/nixpkgs/trunk/pkgs/development/compilers/tinycc/default.nix > 1) In the gltests directory I get this: > > /arch/x86-linux/gnu-inst-tcc/0.9.25/bin/tcc -DHAVE_CONFIG_H -I. > -DGNULIB_STRICT_CHECKING=1 -I. -I. -I.. -I./.. -I../gllib -I./../gllib -c > -o test-_Exit.o test-_Exit.c > In file included from test-_Exit.c:21: [...] > In file included from ./../gllib/stdlib.h:35: > ./../gllib/stdlib.h:35: #include recursion too deep > > It's apparently a bug in the #include_next handling, triggered by the > use of multiple equivalent -I options (like -I../gllib -I./../gllib). I can’t reproduce it with, e.g.: --8<---------------cut here---------------start------------->8--- echo '#include <chop/chop.h>' | \ tcc -I ~/soft/include/ -I ~/soft/include/../include/ \ -I ~/soft/include/./. -c - --8<---------------cut here---------------end--------------->8--- > 2) nextafter not supported > > /arch/x86-linux/gnu-inst-tcc/0.9.25/bin/tcc -o test-nextafter > test-nextafter.o ../gllib/libgnu.a > tcc: undefined symbol 'nextafter' > make[4]: *** [test-nextafter] Error 1 I can’t reproduce it with this stripped down case: --8<---------------cut here---------------start------------->8--- #include <math.h> #include <assert.h> #define ASSERT assert volatile double x; double y; int main () { /* A particular value. */ x = 1.628947572; /* Towards 0. */ y = nextafter (x, 0); ASSERT (y < x); ASSERT (y > 1.628947571); y = nextafter (y, x + x); ASSERT (y == x); /* Towards infinity. */ y = nextafter (x, x + x); ASSERT (y > x); ASSERT (y < 1.628947573); y = nextafter (y, 0); ASSERT (y == x); /* Towards itself. */ y = nextafter (x, x); ASSERT (y == x); return 0; } --8<---------------cut here---------------end--------------->8--- Then: --8<---------------cut here---------------start------------->8--- tcc nextafter.c -lm -run ; echo $? --8<---------------cut here---------------end--------------->8--- > 3) bug in the preprocessor > > /arch/x86-linux/gnu-inst-tcc/0.9.25/bin/tcc -DHAVE_CONFIG_H -I. > -DGNULIB_STRICT_CHECKING=1 -I. -I.. -I../gllib -c -o test-sigaction.o > test-sigaction.c > test-sigaction.c:68: field not found: __sigaction_handler > make[4]: *** [test-sigaction.o] Error 1 > > After #define sa_handler __sigaction_handler.sa_handler > (from /usr/include/bits/sigaction.h) the token sa_handler expands to > __sigaction_handler.__sigaction_handler.sa_handler > instead of > __sigaction_handler.sa_handler Indeed, reported at <https://savannah.nongnu.org/bugs/index.php?31349>. [...] > 5) 22 test failures: Ouch, I haven’t investigated these. Thanks, Ludo’.
