development/ldc: Added (llvm-based D compiler).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

development/ldc/README

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+The LDC project aims to provide a portable D programming language
+compiler with modern optimization and code generation capabilities.
+The compiler uses the official DMD frontend to support the latest D2
+version and relies on the LLVM Core libraries for code generation.
+LDC is fully Open Source; the parts of the code not taken/adapted from
+other projects are BSD-licensed.

development/ldc/ldc.SlackBuild

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+#!/bin/bash
+
+# Slackware build script for ldc
+
+# Copyright 2022 Damian Perticone, Berisso, Argentina
+# All rights reserved.
+
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+cd $(dirname $0) ; CWD=$(pwd)
+
+PRGNAM=ldc
+SRCNAM=ldc-1.30.0-src
+VERSION=${VERSION:-1.30.0}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+PKGTYPE=${PKGTYPE:-tgz}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
+  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
+  exit 0
+fi
+
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $SRCNAM
+tar xvf $CWD/$SRCNAM.tar.gz
+cd $SRCNAM
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+mkdir -p build
+cd build
+  cmake -GNinja \
+    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
+    -DMAN_INSTALL_DIR=/usr/man \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_SKIP_RPATH=ON \
+    -DINCLUDE_INSTALL_DIR=/usr/include/dlang/ldc \
+    -DBUILD_SHARED_LIBS=BOTH \
+    -DBUILD_LTO_LIBS=ON \
+    -DLDC_WITH_LLD=ON \
+    -DADDITIONAL_DEFAULT_LDC_SWITCHES="\"-link-defaultlib-shared\"" \
+    ..
+   "${NINJA:=ninja}"
+   DESTDIR=$PKG $NINJA install
+cd ..
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a CHANGELOG.md LICENSE README.md  $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE

development/ldc/ldc.info

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+PRGNAM="ldc"
+VERSION="1.30.0"
+HOMEPAGE="https://wiki.dlang.org/LDC"
+DOWNLOAD="https://github.com/ldc-developers/ldc/releases/download/v1.30.0/ldc-1.30.0-src.tar.gz"
+MD5SUM="871cec3741a884ff29f564175b919e4d"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="dmd"
+MAINTAINER="Damian Perticone"
+EMAIL="mjolnirdam@gmail.com"

development/ldc/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+   |-----handy-ruler------------------------------------------------------|
+ldc: ldc (llvm-based D compiler)
+ldc:
+ldc: Ldc is a portable D programming language compiler with modern 
+ldc: optimization and code generation capabilities.
+ldc:
+ldc:
+ldc:
+ldc:
+ldc:
+ldc: Home: https://wiki.dlang.org/LDC
+ldc: