Rebuild musl 1.2.3 with support for dynamic linking

Now that GCC and binutils support musl's toolchain natively, musl can
have its dynamic linking support enabled without ill-effects.

sysc/SHA256SUMS.sources

@@ -37,6 +37,7 @@ eb8fb2c3e4b6e2d336608377050892b54c3c983b646c561836550863003c05d7  libunistring-0
 e40b8f018c1da64edd1cc9a6fce5fa63b2e707e404e20cad91fbae337c98a5b7  make-4.2.1.tar.gz
 17503d2c395dfcf106b622dc142683c1199431d095367c6aacba6eec30340459  mpc-1.2.1.tar.gz
 0c98a3f1732ff6ca4ea690552079da9c597872d30e96ec28414ee23c95558a7f  mpfr-4.1.0.tar.xz
+7d5b0b6062521e4627e099e4c9dc8248d32a30285e959b7eecaa780cf8cfd4a4  musl-1.2.3.tar.gz
 f455f341e787c1167328e80a84f77b9a557d595066dda6486a1874d72da68800  nss-3.78.tar.gz
 0b7a3e5e59c34827fe0c3a74b7ec8baef302b98fa80088d7f9153aa16fa76bd1  openssl-1.1.1l.tar.gz
 ac610bda97abe0d9f6b7c963255a11dcb196c25e337c61f94e4778d632f1d8fd  patch-2.7.6.tar.xz

sysc/musl-1.2.3/ld-musl-i386.path

@@ -0,0 +1 @@
+/usr/lib/musl

sysc/musl-1.2.3/musl-1.2.3.sh

@@ -0,0 +1,32 @@
+# SPDX-FileCopyrightText: 2022 Dor Askayo <dor.askayo@gmail.com>
+# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+urls="https://musl.libc.org/releases/musl-1.2.3.tar.gz"
+
+src_configure() {
+    ./configure \
+        --host=i386-unknown-linux-musl \
+        --prefix="${PREFIX}" \
+        --libdir="${PREFIX}/lib/musl" \
+        --includedir="${PREFIX}/include/"
+}
+
+src_compile() {
+    make CROSS_COMPILE=
+}
+
+src_install() {
+    default
+
+    # Make dynamic linker symlink relative in ${PREFIX}/lib
+    rm "${DESTDIR}/lib/ld-musl-i386.so.1"
+    rmdir "${DESTDIR}/lib"
+    mkdir -p "${DESTDIR}${PREFIX}/lib"
+    ln -sr "${DESTDIR}${PREFIX}/lib/musl/libc.so" "${DESTDIR}${PREFIX}/lib/ld-musl-i386.so.1"
+
+    # Add library search path configurtion
+    mkdir -p "${DESTDIR}/etc"
+    cp ../../ld-musl-i386.path "${DESTDIR}/etc"
+}

sysc/run2.sh

@@ -84,6 +84,8 @@ build gcc-4.7.4
 
 build binutils-2.38
 
+build musl-1.2.3
+
 build gperf-3.1
 
 build libunistring-0.9.10