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6ed2e09f3a
- This idea originates from very early in the project and was, at the
time, a very easy way to categorise things.
- Now, it doesn't really make much sense - it is fairly arbitary, often
occuring when there is a change in kernel, but not from builder-hex0
to fiwix, and sysb is in reality completely unnecessary.
- In short, the sys* stuff is a bit of a mess that makes the project
more difficult to understand.
- This puts everything down into one folder and has a manifest file that
is used to generate the build scripts on the fly rather than using
coded scripts.
- This is created in the "seed" stage.
stage0-posix -- (calls) --> seed -- (generates) --> main steps
Alongside this change there are a variety of other smaller fixups to the
general structure of the live-bootstrap rootfs.
- Creating a rootfs has become much simpler and is defined as code in
go.sh. The new structure, for an about-to-be booted system, is
/
-- /steps (direct copy of steps/)
-- /distfiles (direct copy of distfiles/)
-- all files from seed/*
-- all files from seed/stage0-posix/*
- There is no longer such a thing as /usr/include/musl, this didn't
really make any sense, as musl is the final libc used. Rather, to
separate musl and mes, we have /usr/include/mes, which is much easier
to work with.
- This also makes mes easier to blow away later.
- A few things that weren't properly in packages have been changed;
checksum-transcriber, simple-patch, kexec-fiwix have all been given
fully qualified package names.
- Highly breaking change, scripts now exist in their package directory
but NOT WITH THE packagename.sh. Rather, they use pass1.sh, pass2.sh,
etc. This avoids manual definition of passes.
- Ditto with patches; default directory is patches, but then any patch
series specific to a pass are named patches-passX.
69 lines
3 KiB
Diff
69 lines
3 KiB
Diff
SPDX-FileCopyrightText: 2022 Dor Askayo <dor.askayo@gmail.com>
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SPDX-FileCopyrightText: 2015 Szabolcs Nagy <szabolcs.nagy@arm.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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Backported from upstream commit 07ad804bfdbe0fa3406c5f2ff51d7c4c29a783c8
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Add musl support to GCC
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2015-05-08 Szabolcs Nagy <szabolcs.nagy@arm.com>
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* config/glibc-stdint.h (OPTION_MUSL): Define.
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(INT_FAST16_TYPE, INT_FAST32_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE):
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Change the definition based on OPTION_MUSL for 64 bit targets.
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* config/linux.h (OPTION_MUSL): Redefine.
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* config/alpha/linux.h (OPTION_MUSL): Redefine.
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* config/rs6000/linux.h (OPTION_MUSL): Redefine.
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* config/rs6000/linux64.h (OPTION_MUSL): Redefine.
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From-SVN: r222905
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--- gcc/config/glibc-stdint.h
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+++ gcc/config/glibc-stdint.h
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@@ -22,6 +22,12 @@ a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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+/* Systems using musl libc should use this header and make sure
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+ OPTION_MUSL is defined correctly before using the TYPE macros. */
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+#ifndef OPTION_MUSL
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+#define OPTION_MUSL 0
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+#endif
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+
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#define SIG_ATOMIC_TYPE "int"
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#define INT8_TYPE "signed char"
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@@ -43,12 +49,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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#define UINT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
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#define INT_FAST8_TYPE "signed char"
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-#define INT_FAST16_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
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-#define INT_FAST32_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
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+#define INT_FAST16_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long int" : "int")
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+#define INT_FAST32_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long int" : "int")
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#define INT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int")
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#define UINT_FAST8_TYPE "unsigned char"
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-#define UINT_FAST16_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int")
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-#define UINT_FAST32_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int")
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+#define UINT_FAST16_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long unsigned int" : "unsigned int")
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+#define UINT_FAST32_TYPE (LONG_TYPE_SIZE == 64 && !OPTION_MUSL ? "long unsigned int" : "unsigned int")
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#define UINT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int")
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#define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int")
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--- gcc/config/linux.h
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+++ gcc/config/linux.h
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@@ -33,11 +33,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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#define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC)
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#define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
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#define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
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+#undef OPTION_MUSL
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#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL)
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#else
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#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
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#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
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#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
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+#undef OPTION_MUSL
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#define OPTION_MUSL (linux_libc == LIBC_MUSL)
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#endif
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