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https://github.com/ivabus/pantry
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llvm & gcc symlinks for eg cc (#3530)
Co-authored-by: Jacob Heider <jacob@pkgx.dev>
This commit is contained in:
Max Howell
GitHub
parent
1dec22e791
commit
93ca9ac5a4
5 changed files with 46 additions and 182 deletions
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@ -59,11 +59,21 @@ build:
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# On Linux, we need to move the libraries to the lib directory.
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- run: |
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if test {{hw.platform}} = "linux"; then
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mv lib64/* lib/
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rmdir lib64
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fi
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if: linux
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working-directory: ${{prefix}}
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# other tools simply expect these symlinks and often fail without them
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# NOTE forcing symlinks because we build with ourselves and sometimes that
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# means we're building with the exact same version FIXME
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- run: |
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ln -sf gcc cc
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ln -sf gcc-ar ar
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ln -sf gcc-nm nm
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ln -sf gcc-ranlib ranlib
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working-directory: ${{prefix}}/bin
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env:
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# Branch from the Darwin maintainer of GCC, with a few generic fixes and
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# Apple Silicon support, located at https://github.com/iains/gcc-12-branch
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@ -115,6 +125,8 @@ test:
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- test "$(./test3)" = "Hello, world!"
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provides:
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- bin/ar
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- bin/cc
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- bin/c++
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- bin/gc++
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- bin/cpp
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@ -128,3 +140,5 @@ provides:
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- bin/gcov-tool
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- bin/gfortran
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- bin/lto-dump
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- bin/nm
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- bin/ranlib
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@ -10,6 +10,17 @@ provides:
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- bin/lld
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- bin/clang
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- bin/clang++
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- bin/cc
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- bin/c++
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- bin/cpp
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- bin/ar
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- bin/as
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- bin/nm
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- bin/objcopy
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- bin/ranlib
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- bin/readelf
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- bin/strings
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- bin/strip
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dependencies:
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zlib.net: 1
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@ -27,12 +38,26 @@ build:
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- run: |
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if test "{{hw.platform}}" = "linux" || \
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test "{{hw.arch}}" = "x86-64" || \
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semverator satisies '>=14'; then
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semverator satisfies '>=14' {{version}}; then
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ARGS="$ARGS -DLLVM_ENABLE_RUNTIMES='compiler-rt'"
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fi
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# if: linux || x86-64 || >=14 ## Brewkit can't do this. Yet.
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- cmake ../llvm -G Ninja $ARGS
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- ninja
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- ninja install
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# other tools simply expect these symlinks and often fail without them
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# NOTE forcing symlinks because we build with ourselves and sometimes that
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# means we're building with the exact same version FIXME
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- run: |
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ln -sf clang cc
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ln -sf clang++ c++
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ln -sf clang-cpp cpp
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for x in ar as nm objcopy ranlib readelf strings strip; do
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ln -sf llvm-$x $x
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done
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working-directory: ${{prefix}}/bin
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receipt:
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- LLVMConfig.cmake
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env:
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@ -90,9 +115,10 @@ test:
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- run: |
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if test "{{hw.platform}}" = "linux" || \
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test "{{hw.arch}}" = "x86-64" || \
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semverator satisies '>=14'; then
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semverator satisfies '>=14' {{version}}; then
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ARGS="$ARGS -fsanitize=address,undefined"
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fi
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# if: linux || x86-64 || >=14 ## Brewkit can't do this. Yet.
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- mv $FIXTURE $FIXTURE.c
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- clang $ARGS $FIXTURE.c
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- ./a.out
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@ -1,59 +0,0 @@
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#!/usr/bin/ruby
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# - we inject our rpath to ensure our libs our found
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# - for bottles we replace that in fix-machos.rb with a relocatable prefix
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# - in general usage we don’t, so if the user needs to distribute their artifacts,
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# they will need to fix them first, but that's typical anyway.
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# - for tea-envs the user probably won’t use tea.xyz/gx/cc even though they *should*
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# and thus we set LDFLAGS in the hope that they will be picked up and the rpath set
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$pkgx_prefix = ENV['PKGX_DIR'] || ENV['HOME'].chomp
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exe = File.basename($0)
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# remove duplicates since this in fact embeds the rpath multiple times
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# and omit -nodefaultrpaths since it is not a valid flag for clang
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args = ARGV.map do |arg|
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arg unless arg == "-Wl,-rpath,#$pkgx_prefix" or arg == "-nodefaultrpaths"
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end.compact
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def is_tea? path
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path = File.realpath path while File.symlink? path
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return File.basename(path) == "tea"
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end
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# find next example of ourselves
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# this will either pick the Apple provided clang or the tea one
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exe_path = ENV['PATH'].split(":").filter { |path|
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if path == File.dirname(__FILE__)
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false
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elsif path == File.join($pkgx_prefix, ".local/bin")
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false
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elsif is_tea?(path)
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false
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else
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true
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end
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}.map { |path|
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"#{path}/#{exe}"
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}.reject { |path|
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# if the user created a symlink of `cc` to `tea` don’t use it
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File.symlink? path and File.basename(File.readlink(path)) == "tea"
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}.find { |path|
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File.exist?(path)
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}
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abort "couldn’t find #{exe} in `PATH`" unless exe_path
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for arg in args do
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# figuring out what “mode” we are operating in is hard
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# we don’t want to add this linker command always because it causes a warning to be
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# output if we are not outputing executables/dylibs and this warning can break
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# configure scripts, however the below is not fully encompassing
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# we aren't sure what the rules are TBH, possibly it is as simple as if the output (`-o`)
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# is a .o then we don’t add the rpath
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if arg.start_with? '-l' or arg.end_with? '.dylib'
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exec exe_path, *args, "-Wl,-rpath,#$pkgx_prefix"
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end
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end
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exec exe_path, *args
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@ -1,56 +0,0 @@
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#!/bin/bash
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set -e
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if test -z "$PKGX_DIR"
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then
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echo 'PKGX_DIR mysteriously unset' >&2
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exit 1
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fi
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DIR=$(dirname "$0")
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IFS=: read -r -a PATHS <<< "$PATH"
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__which() {
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for dir in "${PATHS[@]}"; do
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if test "$dir" == "$DIR"; then
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: # no fork bombs thanks
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elif [ -L "$dir/$1" ]; then
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# no fork bombs thanks
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foo="$(realpath "$dir/$1")"
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foo="$(basename "$foo")"
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if [ "$foo" != "tea" ]; then
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exe="$dir/$1"
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return 0
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fi
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elif [ -x "$dir/$1" ]; then
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exe="$dir/$1"
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return 0
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fi
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done
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return 1
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}
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# If we can find our specific name, e.g. `lld`,
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# passthrough to that
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# Otherwise, fallback to `ld`
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# NB: this might not have the right invocations, sometimes;
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# (invoking `ld` as `lld64.ld`) watch for those potential cases
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if __which "$(basename "$0")" || __which ld; then
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:
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else
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echo 'ld not found in PATH' >&2
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exit 127
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fi
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# At a minimum, `ld` will complain if you mix the `-r` and `-rpath` flags,
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# so if any argument to this script is `-r`, we just pass through without
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# additions.
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for word in "$@"; do
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if test "$word" = "-r"; then
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exec "$exe" "$@"
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fi
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done
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exec "$exe" "$@" -rpath "$PKGX_DIR"
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@ -1,61 +0,0 @@
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distributable: ~
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# FIXME we want the c version eg. c99
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# or should that be some kind of option? so you specify you want a cc that support c99
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versions:
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- 0.1.7
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dependencies:
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linux:
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llvm.org: '*'
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runtime:
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env:
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linux/x86-64:
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LDFLAGS: $LDFLAGS -pie
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CFLAGS: $CFLAGS -fPIC
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CXXFLAGS: $CXXFLAGS -fPIC
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build:
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working-directory:
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${{prefix}}/bin
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script: |
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if test {{ hw.platform }} = darwin; then
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cp "$SRCROOT"/props/ld .
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cp "$SRCROOT"/props/cc.rb cc
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else
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ln -s "$LLVM"/clang cc
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ln -s "$LLVM"/lld ld
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ln -s "$LLVM"/clang-cpp cpp
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for x in ar as strip objcopy nm objdump ranlib readelf strings; do
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ln -sf "$LLVM"/llvm-$x $x
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done
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fi
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for x in clang gcc clang++ c++ g++; do
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ln -s cc $x
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done
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for x in lld-link lld ld64.lld; do
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ln -s ld $x
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done
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# dunno why we gotta do this, but we do
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chmod 777 *
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env:
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LLVM: ../../../../../llvm.org/v*/bin
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test: |
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cc --version
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ld --help
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provides:
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- bin/c++
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- bin/cc
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- bin/clang
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- bin/clang++
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- bin/g++
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- bin/gcc
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- bin/ld
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- bin/ld64.lld
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- bin/lld
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- bin/lld-link
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