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2022-03-16newlib: libc: merge build up a directoryMike Frysinger1-641/+0
Convert all the libc/ subdir makes into the top-level Makefile. This allows us to build all of libc from the top Makefile without using any recursive make calls. This is faster and avoids the funky lib.a logic where we unpack subdir archives to repack into a single libc.a. The machine override logic is maintained though by way of Makefile include ordering, and source file accumulation in libc_a_SOURCES. There's a few dummy.c files that are no longer necessary since we aren't doing the lib.a accumulating, so punt them. The winsup code has been pulling the internal newlib ssp library out, but that doesn't exist anymore, so change that to pull the objects.
2022-02-25newlib: libc: move configure into top-levelMike Frysinger1-13/+30
This kills off the last configure script under libc/ and folds it into the top newlib configure script. The a lot of the logic was already in the top configure script, so move what's left into a libc/acinclude.m4 file.
2022-02-18newlib: libc: delete crt0.o duplicationMike Frysinger1-1/+0
The crt0.o was handled in a subdir-by-subdir basis: it would be compiled in one (e.g. libc/sys/$arch/), then copied up one level (libc/sys/), then copied up another (libc/) before finally being copied & installed in the top newlib dir. The libc/sys/ copy was cleaned up, and then the top dir was changed to copy it directly out of the libc/sys/$arch/ dir. But the libc/sys/ copy to libc/ was left behind. Clean that up now too.
2022-02-15newlib/libgloss: drop unused $(CROSS_CFLAGS)Mike Frysinger1-1/+1
This is used in a bunch of places, but nowhere is it ever set, and nowhere can I find any documentation, nor can I find any other project using it. So delete the flags to simplify.
2022-02-15newlib: phoenix: merge configure up to top-levelMike Frysinger1-1/+2
Merge sys/phoenix/ configure logic into libc/ itself. This kills off the last lingering script in this tree (other than libc itself).
2022-02-09newlib: drop support for $oextMike Frysinger1-1/+0
This was needed only to support libtool in case objects ended in .lo instead of .o, but we dropped libtool, so drop this too.
2022-02-09newlib: drop support for $aextMike Frysinger1-1/+0
This was needed only to support libtool in case the library ended in .la instead of .a, but we dropped libtool, so drop this too.
2022-02-09newlib: drop libtool supportMike Frysinger1-66/+18
This was only ever used for i?86-pc-linux-gnu targets, but that's been broken for years, and has since been dropped. So clean this up too. This also deletes the funky objectlist logic since it only existed for the libtool libraries. Since it was the only thing left in the small Makefile.shared file, we can punt that too.
2022-02-08newlib: switch to AM_PROG_ARMike Frysinger1-0/+1
Now that we require automake-1.15, we can use this macro rather than do the tool search ourselves.
2022-02-08newlib: switch to standard AC_PROG_CCMike Frysinger1-6/+1
Now that we use AC_NO_EXECUTABLES, and we require a recent version of autoconf, we don't need to define our own copies of these macros. So switch to the standard AC_PROG_CC.
2022-02-04newlib: libc: include all chapters all the time in the manualMike Frysinger1-5/+0
THe stdio subdir is actually required by the documentation. The stdio/def is handled dynamically, but libc.texi always expects it to be included, and fails if it isn't. So making it required when building docs is safe. The xdr subdir is handled dynamically, but it doesn't include any docs, so the dynamic logic isn't (currently) adding any value. So making it required when building docs is safe. That leaves: iconv, stdio64, posix, and signal subdirs. The chapters have a little disclaimer saying they are system-dependent, but even then, imo having stable manuals regardless of the target is preferable, and we can add more disclaimer language to these chapters if we want. This doesn't touch the man page codepaths, just the info/pdf.
2022-01-29newlib: export abs_newlib_basedir for all subdirsMike Frysinger1-0/+1
When using the top-level configure script but subdir Makefiles, the newlib_basedir value gets a bit out of sync: it's relative to where configure lives, not where the Makefile lives. Move the abs setting from the top-level configure script into acinclude.m4 so we can rely on it being available everywhere. Although this commit doesn't use it anywhere, just lays the groundwork.
2022-01-26newlib: libc: merge machine/ configure scripts up a levelMike Frysinger1-52/+107
The machine configure scripts are all effectively stub scripts that pass the higher level options to its own makefile. There were only three doing custom tests. The rest were all effectively the same as the libc/ configure script. So instead of recursively running configure in all of these subdirs, generate their makefiles from the top-level configure. For the few unique ones, deploy a pattern of including subdir logic via m4: m4_include([machine/nds32/acinclude.m4]) Some of the generated machine makefiles have a bunch of extra stuff added to them, but that's because they were inconsistent in their configure libtool calls. The top-level has it, so it exports some new vars to the ones that weren't already.
2022-01-21newlib: stop clobbering LDFLAGS with non-standard $ldflagsMike Frysinger1-1/+0
It's unclear why this was added originally, but assuming it was needed 20 years ago, it shouldn't be explicitly required nowadays. Current versions of autotools already take care of exporting LDFLAGS to the Makefile as needed (things are actually getting linked). That's why the configure diffs show LDFLAGS still here, but shifted to a diff place in the output list. A few dirs stop exporting LDFLAGS, but that's because they don't do any linking, only compiling, so it's correct. As for the use of $ldflags instead of the standard $LDFLAGS, I can't really explain that at all. Just use the right name so users don't have to dig into why their setting isn't respected, and then use a non-standard name instead. Adjust the testsuite to match.
2022-01-18newlib: delete (most) redundant lib_a_CCASFLAGS=$(AM_CCASFLAGS)Mike Frysinger1-153/+18
Since automake already sets per-library CCASFLAGS to $(AM_CCASFLAGS) by default, there's no need to explicitly set it here. Many of these dirs don't have .S files in the first place, so the rule doesn't even do anything. That can easily be seen when Makefile.in has no changes as a result. For the dirs with .S files, the custom rules are the same as the pattern .S.o rules, so this is a nice cleanup. The only dir that was adding extra flags (newlib/libc/machine/mn10300/) to the per-library setting can have it moved to the global AM_CCASFLAGS since the subdir only has one target. Although the setting just adds extra debugging flags, so maybe it should be deleted in general. There are a few dirs that we leave the redundant setting in place. This is to workaround an automake limitation in subdirs that support building with & w/out libtool: https://www.gnu.org/software/automake/manual/html_node/Objects-created-both-with-libtool-and-without.html
2022-01-14newlib: update to automake-1.15Mike Frysinger1-73/+148
This matches what the other GNU toolchain projects have done already. The generated diff in practice isn't terribly large. This will allow more use of subdir local.mk includes due to fixes & improvements that came after the 1.11 release series.
2022-01-14require autoconf-2.69 exactlyMike Frysinger1-3/+5
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.
2022-01-05newlib: migrate from INCLUDES to AM_CPPFLAGSMike Frysinger1-1/+1
Since automake deprecated the INCLUDES name in favor of AM_CPPFLAGS, change all existing users over. The generated code is the same since the two variables have been used in the same exact places by design. There are other cleanups to be done, but lets focus on just renaming here so we can upgrade to a newer automake version w/out triggering new warnings.
2021-12-29newlib: Regenerate autotools filesJon Turney1-6/+5
2021-12-29newlib: Regenerate autotools filesJon Turney1-4/+4
2021-12-09newlib: Regenerate all autotools filesJon Turney1-67/+90
Regenerate all aclocal.m4, configure and Makefile.in files.
2021-11-06libgloss/newlib: update configure.ac in Makefile.in filesMike Frysinger1-1/+1
The maintainer rules refer to configure.in directly, so update that after renaming all the configure.ac files.
2015-12-21Regenerate files for newlib 2.3.0.newlib-2_3_0Jeff Johnston1-9/+36
2015-11-12Add support for ARC to newlibAnton Kolesov1-0/+637
newlib/ChangeLog: 2015-11-12 Anton Kolesov <Anton.Kolesov@synopsys.com> * configure.host: Add ARC support. * libc/include/machine/setjmp.h: Likewise. * libc/machine/configure: Likewise. * libc/machine/configure.in: Likewise. * libc/machine/arc/Makefile.am: Likewise. * libc/machine/arc/Makefile.in: Likewise. * libc/machine/arc/aclocal.m4: Likewise. * libc/machine/arc/asm.h: Likewise. * libc/machine/arc/configure: Likewise. * libc/machine/arc/configure.in: Likewise. * libc/machine/arc/memcmp-bs-norm.S: Likewise. * libc/machine/arc/memcmp-stub.c: Likewise. * libc/machine/arc/memcmp.S: Likewise. * libc/machine/arc/memcpy-archs.S: Likewise. * libc/machine/arc/memcpy-bs.S: Likewise. * libc/machine/arc/memcpy-stub.c: Likewise. * libc/machine/arc/memcpy.S: Likewise. * libc/machine/arc/memset-archs.S: Likewise. * libc/machine/arc/memset-bs.S: Likewise. * libc/machine/arc/memset-stub.c: Likewise. * libc/machine/arc/memset.S: Likewise. * libc/machine/arc/setjmp.S: Likewise. * libc/machine/arc/strchr-bs-norm.S: Likewise. * libc/machine/arc/strchr-bs.S: Likewise. * libc/machine/arc/strchr-stub.c: Likewise. * libc/machine/arc/strchr.S: Likewise. * libc/machine/arc/strcmp-archs.S: Likewise. * libc/machine/arc/strcmp-stub.c: Likewise. * libc/machine/arc/strcmp.S: Likewise. * libc/machine/arc/strcpy-bs-arc600.S: Likewise. * libc/machine/arc/strcpy-bs.S: Likewise. * libc/machine/arc/strcpy-stub.c: Likewise. * libc/machine/arc/strcpy.S: Likewise. * libc/machine/arc/strlen-bs-norm.S: Likewise. * libc/machine/arc/strlen-bs.S: Likewise. * libc/machine/arc/strlen-stub.c: Likewise. * libc/machine/arc/strlen.S: Likewise. * libc/machine/arc/strncpy-bs.S: Likewise. * libc/machine/arc/strncpy-stub.c: Likewise. * libc/machine/arc/strncpy.S: Likewise.
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