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Date: Sun, 11 Nov 2018 19:39:23 +0000
From: argante <argante@...me>
To: "musl@...ts.openwall.com" <musl@...ts.openwall.com>
Subject: Re: using musl-cross-make to build host gcc

The compilation starts with lto-plugin and here the size of the types are determined correctly.

checking whether time.h and sys/time.h may both be included... yes
checking whether errno must be declared... no
checking size of int... 4
checking size of long... 8
checking size of size_t... 8
checking for long long... yes
checking size of long long... 8
checking for a 64-bit type... uint64_t
checking for intptr_t... yes
checking for uintptr_t... yes
(...)
make[4]: Leaving directory `/tmp/ports/gcc/work/gcc-7.3.0/host-x86_64-linux-musl/lto-plugin'
make[3]: Leaving directory `/tmp/ports/gcc/work/gcc-7.3.0/host-x86_64-linux-musl/lto-plugin'


Then is the gcc and the size of the types is incorrectly determined.

checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking size of void *... 0
checking size of short... 0
checking size of int... 0
checking size of long... 0
checking for long long... yes
checking size of long long... configure: error: in `/tmp/ports/gcc/work/gcc-7.3.0/host-x86_64-linux-musl/gcc':
configure: error: cannot compute sizeof (long long)
See `config.log' for more details.
make[2]: *** [configure-stage1-gcc] Error 77
make[2]: Leaving directory `/tmp/ports/gcc/work/gcc-7.3.0'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/tmp/ports/gcc/work/gcc-7.3.0'
make: *** [all] Error 2

I can't understand why cross-gcc works correctly and the version built on the host is working incorrectly.

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