[OE-core] [PATCH] musl: Add aliases for glibc provided libraries

[Andre McCurdy]

On Sun, Sep 16, 2018 at 8:53 AM, Khem Raj <raj.khem at gmail.com> wrote:
> This is a step towards running pebuilt applications for glibc  on musl
> There are many realworld applications which are not always built from
> source, especially provided by third party

Should these symlinks go in a separate package (musl-glibc-compat ?)
so that only people trying to run closed source glibc binaries on musl
need to see them?

> Signee-off-by: Khem Raj <raj.khem at gmail.com>
> ---
>  meta/recipes-core/musl/musl_git.bb | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/meta/recipes-core/musl/musl_git.bb b/meta/recipes-core/musl/musl_git.bb
> index be31718e3a..a830c36eeb 100644
> --- a/meta/recipes-core/musl/musl_git.bb
> +++ b/meta/recipes-core/musl/musl_git.bb
> @@ -26,6 +26,14 @@ DEPENDS = "virtual/${TARGET_PREFIX}binutils \
>             bsd-headers \
>             libssp-nonshared \
>            "
> +GLIBC_LDSO ?= "ld.so.1"
> +GLIBC_LDSO_arm = "${@ bb.utils.contains('TUNE_FEATURES', 'callconvention-hard', 'ld-linux-armhf.so.3', 'ld-linux.so.3', d)}"
> +GLIBC_LDSO_aarch64 = "ld-linux-aarch64.so.1"
> +GLIBC_LDSO_x86 = "ld-linux.so.2"
> +GLIBC_LDSO_x86_64 = "ld-linux-x86-64.so.2"
> +GLIBC_LDSO_x32 = "ld-linux-x32.so.2"
> +GLIBC_LDSO_powerpc64 = "ld64.so.1"
> +GLIBC_LDSO_mips64 = "ld64.so.1"
>
>  export CROSS_COMPILE="${TARGET_PREFIX}"
>
> @@ -62,10 +70,14 @@ do_install() {
>         install -d ${D}${bindir}
>         rm -f ${D}${bindir}/ldd
>         lnr ${D}${libdir}/libc.so ${D}${bindir}/ldd
> +       lnr ${D}${libdir}/libc.so ${D}${base_libdir}/${GLIBC_LDSO}
>         for l in crypt dl m pthread resolv rt util xnet
>         do
>                 ln -sf libc.so ${D}${libdir}/lib$l.so
>         done
> +       for i in libc.so.6 libcrypt.so.1 libdl.so.2 libm.so.6 libpthread.so.0 libresolv.so.2 librt.so.1 libutil.so.1; do
> +               ln -sf libc.so ${D}${libdir}/$i
> +       done
>  }
>
>  RDEPENDS_${PN}-dev += "linux-libc-headers-dev bsd-headers-dev libssp-nonshared-staticdev"
> --
> 2.19.0
>
> --
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