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Install an empty ADV in the Windows installer to keep it from being
broken. In order to do that, separate the Unix-specific ADV I/O
functions from the generic data structure manipulation.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Merge the SYSLINUX and EXTLINUX patching code and core code, removing
EXTLINUX as a separate derivative. All the disk-based systems now use
the same code.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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-O0 is good for debugging, but sucks for production.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Switch to consistent use of 64-bit sector pointers; this should enable
booting even for individual *partitions* larger than 2 TB. In order
to not slow down the boot too much, switch the initial load from an
enumeration to an extent map. This means the table gets larger (since
we have to assume the worst case), but it simplifies the Sector 1 code
(since we can push all the hard stuff into the installer), and will
speed up booting in the general case.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Thus we can share same command line options and reduce a lot of dup
code...
Seems like a big patch, but the changes are quite safe, no much logical
change.
Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Replace -W -Wall hardcoded into a bunch of Makefiles with $(GCCWARN),
a centralized variable defined in the root MCONFIG. Add
-Wstrict-prototypes to the list of global warnings: we should never
have non-prototyped declarations.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Make the dependency generation more common; have a general pattern in
MCONFIG, and use it in rules (not in CFLAGS).
For NASM source, in order to stay compatible with old versions of
NASM, run NASM twice; newer versions of NASM is capable of generating
dependencies simultaneously like gcc can, but that would break
compatibility with older distros.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Cleanup and centralize the Makefile system even more.
Fix a gcc 4.3 incompatibility in memdisk (definition of strlen).
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Clean up the BSUBDIR/ISUBDIR separation further. Build _bin.c files,
which are an intermediate stage toward building the installers, in the
libinstaller directory, since that directory is used by all the
installers anyway. That also lets us get bin2c.pl out of the root.
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Move source files out of the root directory; the root is a mess and
has become virtually unmaintainable. The Syslinux core now lives in
core/; the Linux and generic utilities has moved into utils/, and
copybs.com has moved into dos/; it had to go somewhere, and it seemed
as good a place as any.
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Assemble all files to ELF instead of using the NASM built-in linker.
This can enable us to do actual linking in the future.
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-fstack-protector flag enabled by default.
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Use $(CC) in gcc_ok macro, not plain gcc. This seems to work, iff the
gcc_ok macro is declared with =, not :=
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--once now supported for extlinux; some infrastructure for syslinux
there as well, need implementation in all the various installers,
however.
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Compiling as root is highly discouraged, but some people do it anyway.
gcc_ok, however, can clobber /dev/null due to "-o /dev/null"; this is
bad. Instead, write a temporary file and delete it.
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