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Now that we have multiple firmware backends it no longer makes sense
to write object files to the same directory as their source. A better
solution is to write the object files to a per-firmware directory
under a top-level object directory.
The top-level object directory can be specified on the command-line
with the O= variable, e.g. make O=/tmp/obj. If no top-level object
directory is specified an 'obj' directory is created in the top-level
of the Syslinux source repository.
All the existing make targets continue to work as before, however now
they apply to all firmware backends, e.g. 'make installer' will build
the BIOS, 32-bit EFI and 64-bit EFI installers and place them under
$(OBJ)/bios, $(OBJ)/efi32 and $(OBJ)/efi64 respectively.
Note unlike every other bit of Syslinux, the gpxe objects are still
kept in the src directory, e.g. gpxe/src, since gpxe is only required
by the BIOS backend.
It is possible to specify a make target for a specific firmware or
list of firmware with the following syntax,
make [firmware[,firmware]] [target[,target]]
To clean the object directory for just the BIOS firmware type,
'make bios clean'
To build both the 32-bit and 64-bit EFI installers type,
'make efi32 efi64 installer'
Since the Syslinux make infrastructure is now more complex a new file
doc/building.txt has been created to explain how to build Syslinux.
The top-level Makefile now exports some make variables for use in
module Makefiles,
- topdir - the top-level source directory of the Syslinux
repository, e.g. /usr/src/syslinux
- objdir - the top-level object directory for the firmware
backend currently being built, e.g. /obj/syslinux/bios
- SRC - the source directory in the Syslinux repository for the
module currently being built,
e.g. /usr/src/syslinux/com32/libupload
- OBJ - the object directory for the module currently being
built, e.g. /obj/syslinux/bios/com32/libupload
Since we're rewriting the Makefile infrastructure anyway it seemed
like a good idea to add parallel support. By writing subdirectories as
prequisites for make targets the objects in those subdirectories can
be built in parallel.
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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Move the MCONFIG files into a mk/ directory and give them more
descriptive names.
This is purely a cosmetic change to make the 'include' directives a
bit more coherent by making it obvious exactly which MCONFIG file
we're including. For example, in com32/lua/src/Makefile we exchange
the line,
include ../../MCONFIG
for the much more comprehensible,
include $(MAKEDIR)/com32.mk
Signed-off-by: Matt Fleming <matt.fleming@linux.intel.com>
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Without the include, .ppm.gz to .lss messes up as $(GZIPPROG) is
not expanded properly
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We really don't want people to write code without using the library,
so just remove these obsolete and no longer functional samples.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Fix missing -M from NASM dependency generation calls; adopt the
uniform stanza "-M -DDEPEND" even for sites that were already correct.
Also, use ">" not ">>" for obvious reasons...
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Unify dependency generation and move common rules into
MCONFIG.embedded.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Unify common pieces to "embedded" targets (those that produce code
that runs neither in the host nor in a com32 environment); this fixes
the broken sample/ directory Makefile.
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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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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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-fstack-protector flag enabled by default.
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If the variable GZIP exists in the environment, overriding it in the
Makefile exports it into the environment, causing failures:
gzip -cd syslogo.ppm.gz | \
../ppmtolss16 \#000000=0 \#d0d0d0=7 \#f6f6f6=15 \
> syslogo.lss
gzip.gz: No such file or directory
204480 pixels, 25715 bytes, (74.85% compression)
Use $GZIPPROG instead.
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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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Ship syslogo.ppm.gz instead of syslogo.png, thereby eliminating a
dependency on pngtopnm which apparently isn't installed by default on
some distros.
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Create NASMOPT variable, defaulting to -O9999. Mostly there to test
beta versions of NASM.
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Small Perl script to postprocess the listfile and show absolute addresses
instead of section-relative. This only applies to the main address, not
to addresses in bracketed fields.
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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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Add test programs.
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linear .com files.
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