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https://github.com/ryanwoodsmall/musl-misc
musl C library miscellaneous
https://github.com/ryanwoodsmall/musl-misc
crosware musl musl-cross musl-libc rpm rpm-packages rpm-spec
Last synced: about 2 months ago
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musl C library miscellaneous
- Host: GitHub
- URL: https://github.com/ryanwoodsmall/musl-misc
- Owner: ryanwoodsmall
- Created: 2017-01-31T20:48:28.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2024-04-10T05:06:03.000Z (9 months ago)
- Last Synced: 2024-04-10T06:24:25.959Z (9 months ago)
- Topics: crosware, musl, musl-cross, musl-libc, rpm, rpm-packages, rpm-spec
- Size: 103 KB
- Stars: 7
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# musl-misc
musl C library miscellaneous
## bits
- **rpm/SPECS/musl-static.spec** : centos/rhel 6 & 7 musl-libc static libs, headers and toolchain wrappers
- **musl-cross-make-confs/Makefile.arch_indep** : musl-cross-make Makefile driver for building a fully-static toolchain
## links
- **musl-libc** : http://www.musl-libc.org/
- **musl-cross-make** : https://github.com/richfelker/musl-cross-make
- **crosware**, where this is used : https://github.com/ryanwoodsmall/crosware
## docker dockerfiles/scripts/resources
- musl static lib rpm: https://github.com/ryanwoodsmall/dockerfiles/tree/master/centos-rpm-builds
- crosware static toolchain builder: https://github.com/ryanwoodsmall/dockerfiles/tree/master/crosware/statictoolchain
- docker container: https://hub.docker.com/r/ryanwoodsmall/crosware
## todo
- XXX - move to either a .gz (everywhere) or an .xz (maybe not everywhere) archive
- XXX - 9cc 9.5.0 + musl 1.2.3 is the end of line for 9, need to figure out 10/11/12
- XXX - gcc 9.4 + musl 1.2.2 seems to break openssh+libressl
- related to mallocng?
- 1.2.0 and 1.2.1 w/`--with-malloc=oldmalloc` in `MUSL_CONFIG` seems to work
- 1.2.2 doesn't want to build with `--with-malloc=oldmalloc`
- XXX - gcc 10 enables `-fno-common` by default, needs multiple workarounds
- XXX - gcc 10 conflicts with crosware binutils, libiberty or similar, need to figure out
- crank up default stack size? from habitat core/musl (default 80KB -> 2MB?):
- `sed -i 's/#define DEFAULT_STACK_SIZE .*/#define DEFAULT_STACK_SIZE 2097152/' src/internal/pthread_impl.h`
- `--enable-new-dtags` - RUNPATH instead of RPATH
- need gnu patch, should test for it
- **riscv64** kernel headers not included... need to fix (make general for non intel/arm)
- integrate off64\_t/loff\_t fixes for gccgo, etc.:
- https://www.mail-archive.com/[email protected]/msg476845.html
- http://gcc-patches.gcc.gnu.narkive.com/xkNPk6Vm/libgo-patch-committed-fill-out-syscall-package-for-gnu-linux
- http://gcc.1065356.n8.nabble.com/libgo-patch-committed-Fill-out-syscall-package-for-GNU-Linux-td491220.html
- ```-D_LARGEFILE_SOURCE``` and/or ```-D_LARGEFILE64_SOURCE```? ```${OSCFLAGS}```
- split out ld.so patches into multiple arches?
- a fake sysroot is needed (perl and the like can use it)
- utmp/wtmp, i.e:
```
/usr/local/crosware/software/statictoolchain/current/x86_64-linux-musl/include/utmp.h:#define _PATH_UTMP "/dev/null/utmp"
/usr/local/crosware/software/statictoolchain/current/x86_64-linux-musl/include/utmp.h:#define _PATH_WTMP "/dev/null/wtmp"
/usr/local/crosware/software/statictoolchain/current/x86_64-linux-musl/include/paths.h:#define _PATH_UTMP "/dev/null/utmp"
/usr/local/crosware/software/statictoolchain/current/x86_64-linux-musl/include/paths.h:#define _PATH_WTMP "/dev/null/wtmp"
```
### bootstrapping
- alpine works fine
- see apk and bash/curl commands in comments
- crosware
- need to be able to self-host
- need a ```${cwsw}/wget/current/bin/wget --no-check-certificate "${@}"``` wrapper
- or try busybox wget and relax gnu check?
- environment...
- **wget wrapper**
- ```crosware install statictoolchain git ; crosware update ; crosware install binutils slibtool ; . ${cwtop}/etc/profile```
### alpine options
```
--enable-checking=release
--disable-fixed-point
--disable-libstdcxx-pch
--disable-multilib
--disable-nls
--disable-werror
--disable-symvers
--enable-__cxa_atexit
--enable-default-pie
--enable-default-ssp
--enable-cloog-backend
--enable-languages=c,c++,d,objc,go,fortran,ada
--disable-libssp
--disable-libmpx
--disable-libmudflap
--disable-libsanitizer
--enable-shared
--enable-threads
--enable-tls
--with-system-zlib
--with-linker-hash-style=gnu
```
#### this doesn't work:::
**OLD**
- libtool? use slibtool
- errors ad infinitum
- gmp (fixed)
- mpfr (fixed)
- mpc (fixed)
- binutils (fixed)
- libtool -> slibtool symlink
- currently dies on compiling shared objects and/in C++ ABI issues
- this gets through a shared build:
- ```LIBTOOL=slibtool CFLAGS=-fPIC CXXFLAGS=-fPIC LIBS="-L${cwsw}/binutils/current/lib/ -liberty" LDFLAGS="${LDFLAGS} -s --static" make -f ~/Makefile.arch_indep```
- but flakes out with c++/abi diffs again'
- shared vs static vs host-shared?
- tinkering with ```COMMON_CONFIG="--build=$(gcc -dumpmachine) --target=$(gcc -dumpmachine) --host=$(gcc -dumpmachine)"```
- musl-cross-make sets target, may override or ignore build/host
- nope ```env LIBTOOL=slibtool CFLAGS=-fPIC CXXFLAGS=-fPIC LDFLAGS="${LDFLAGS//-static/}" LIBS='-liberty' make -f ~/Makefile.arch_indep```
- huh uh? ```env LIBTOOL=slibtool CFLAGS=-fPIC CXXFLAGS=-fPIC LIBS="-L${cwsw}/binutils/current/lib/ -liberty" LDFLAGS="${LDFLAGS} -s --static" make -f ~/Makefile.arch_indep ) ) >/tmp/musl-cross-make.out 2>&1```
- leads to c++ abi issues previously observed (https://github.com/ryanwoodsmall/musl-misc/blob/776f8211b8019e8197ae0e9dcf0b524d29b43d81/README.md)
```
env \
LD_LIBRARY_PATH="$(echo ${cwsw}/{binutils,gmp,mpc,mpfr}/current/lib | tr ' ' ':')" \
LIBTOOL=slibtool \
CFLAGS=-fPIC \
CXXFLAGS=-fPIC \
LIBS=-liberty \
LDFLAGS="${LDFLAGS//-static/}" \
make -f ~/Makefile.arch_indep >/tmp/musl-cross-make.out 2>&1
```