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Avoid a recursive make to speed things up a bit.
A rx-elf build shows installed objects & libs produce same code.
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Depending on the processing order of rules when installing in parallel,
these install rules might be processed before some other rule happens
to create the respective dirs. Make sure each one creates the needed
dirs before installing into them.
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For about half the ports, we don't need a subdir configure script.
They're using the config/default.m[ht] rules, and they aren't doing
any unique configure tests, so they exist just to pass top-level
settings down to create the arch Makefile. We can just as easily
do that from the top-level Mkaefile directly and skip configure.
Most of the remaining configure scripts could be migrated up to
the top-level too, but that would require care in each subdir.
So let's be lazy and put that off to another day.
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Use standard AC_MSG_WARN macro in the top-level configure, and delete
the message from all the subdirs. There's no need to issue this more
than once per libgloss build.
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The newlib & libgloss dirs are already generated using autoconf-2.69.
To avoid merging new code and/or accidental regeneration using diff
versions, leverage config/override.m4 to pin to 2.69 exactly. This
matches what gcc/binutils/gdb are already doing.
The README file already says to use autoconf-2.69.
To accomplish this, it's just as simple as adding -I flags to the
top-level config/ dir when running aclocal. This is because the
override.m4 file overrides AC_INIT to first require the specific
autoconf version before calling the real AC_INIT.
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In order to transition to automake, we have to use hardcoded paths in
the AC_CONFIG_AUX_DIR macro call (since automake evaluates the path
itself, and doesn't expand vars), so simplify all the calls here.
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Regenerate the files using automake-1.15 & autoconf-2.69 to match the
binutils/gdb/gcc projects. Ran:
libgloss $ find -name configure.ac -printf '%h\n' | while read d; do
(cd $d; export WANT_AUTOCONF=2.69 WANT_AUTOMAKE=1.15;
aclocal-1.15 -I.. && autoconf-2.69); done
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These subdirs were missing aclocal.m4 files pulling in macros from
../acinclude.m4 which caused some macros to not be expanded. For
example, autoconf complains:
configure.ac:25: error: possibly undefined macro: LIB_AC_PROG_CC
If this token and others are legitimate, please use m4_pattern_allow.
See the Autoconf documentation.
These were generated with aclocal-1.9 as that seems to be what was
used in these dirs previously, and with whatever version of autoconf
the specific subdir was using. This should minimize diffs.
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The .in name has been deprecated for a long time in favor of .ac.
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* msp430/msp430-sim.ld (.stack): Add an assertion to make sure
that the data area does not overrun the stack. PROVIDE a new
symbol __stack_size to allow the user to set the limit.
* msp430/msp430xl-sim.ld (.stack): Likewise.
* rl78/rl78-sim.ld (.stack): Likewise.
* rl78/rl78.ld (.stack): Likewise.
* rx/rx-sim.ld (.stack): Likewise.
* rx/rx.ld (.stack): Likewise.
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__RX_DISALLOW_STRING_INSNS__ is defined.
* rx/crt0.S (_start): If string instructions are not allowed,
avoid using SMOVF.
* libc/machine/rx/memchr.S: Add non-string insn using version.
* libc/machine/rx/memcpy.S: Likewise.
* libc/machine/rx/memmove.S: Likewise.
* libc/machine/rx/mempcpy.S: Likewise.
* libc/machine/rx/strcat.S: Likewise.
* libc/machine/rx/strcmp.S: Likewise.
* libc/machine/rx/strcpy.S: Likewise.
* libc/machine/rx/strlen.S: Likewise.
* libc/machine/rx/strncat.S: Likewise.
* libc/machine/rx/strncmp.S: Likewise.
* libc/machine/rx/strncpy.S: Likewise.
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* rx/rx.ld: Add .note and DWARF3 sections.
* rx/rx-sim.ld: Likewise.
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* rx/rx-sim.ld: Likewise.
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(__pid_base): Define weakly.
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* rx/rx-sim.ld: Likewise.
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* configure.host: Add support for RX architecture.
* libc/include/machine/ieeefp.h: Likewise.
* libc/include/machine/setjmp.h: Likewise.
* libc/include/machine/configure.in: Likewise.
* libc/include/machine/configure: Regenerate.
* libc/machine/rx: New directory.
* libc/machine/rx/*: New files to support RX architecture.
libgloss:
* configure.in: Add support for RX sub-directory.
* configure: Regenerate.
* rx: New directory.
* rx/*: New files to support RX architecture.
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