mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-07-12 22:19:10 +00:00
Make fatcosmocc good enough to build ncurses 6.4
This commit is contained in:
Justine Tunney
parent
399d14aadf
commit
3f2f0e3a74
20 changed files with 295 additions and 139 deletions
207
bin/fatcosmocc
207
bin/fatcosmocc
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@ -26,8 +26,8 @@
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#
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# sudo chmod 1777 /opt # sticky bit isn't required
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# git clone https://github.com/jart/cosmopolitan /opt/cosmo
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# export PATH="$PATH:/opt/cosmo/bin:/opt/cosmos/bin"
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# echo 'export PATH="$PATH:/opt/cosmo/bin:/opt/cosmos/bin"' >>~/.profile
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# export PATH="/opt/cosmo/bin:/opt/cosmos/bin:$PATH"
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# echo 'export PATH="/opt/cosmo/bin:/opt/cosmos/bin:$PATH"' >>~/.profile
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# ape-install # optionally install a faster systemwide ape loader
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# fatcosmocc --update # pull and rebuild toolchain artifacts
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#
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@ -35,7 +35,9 @@
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#
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# fatcosmocc -o hello.com hello.c
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# ./foo.com
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# ./foo.com.dbg
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# unzip -vl ./foo.com
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# ./foo.com --strace
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# ./foo.com --ftrace
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#
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# building in tiny mode
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#
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@ -49,14 +51,27 @@
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# fatcosmocc --update
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# fatcosmocc -g -o foo.com foo.c
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#
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# building a project like lua 5.4.6
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# how to build a project like lua 5.4.6
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#
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# make all test CC=fatcosmocc AR='fatcosmoar rcu'
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# make install INSTALL_TOP=/opt/cosmos INSTALL=fatcosmoinstall
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#
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# how to build a project like ncurses 6.4
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#
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# ./configure CC=fatcosmocc \
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# CXX=fatcosmoc++ \
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# AR=fatcosmoar \
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# INSTALL="$(command -v fatcosmoinstall)" \
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# --prefix=/opt/cosmos \
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# --disable-shared
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# make -j8
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# make install
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#
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# detecting this environment
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#
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# - `__FATCOSMOCC__` is defined when this compiler is in play
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# - `__COSMOPOLITAN__` is always defined by Cosmopolitan Libc
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# - `__FATCOSMOCC__` is defined by fatcosmocc
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# - `__COSMOCC__` is defined by cosmocc and fatcosmocc
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# - `__COSMOPOLITAN__` is always defined by cosmopolitan
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#
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# some notes on this compiler
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#
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@ -70,6 +85,7 @@
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# compiler flags that work differently
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#
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# - `-v` will log fatcosmocc subcommands to stderr
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# you can also use `export BUILDLOG=/tmp/build.log`
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# - `-s` will ask apelink to not embed symbol tables in zip
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# - `-E` can't be fat and runs once with x86_64 macros undefined
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# - `-save-temps` will prevent deleting your arch-specific executables
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@ -90,7 +106,6 @@ export COSMO=${COSMO:-/opt/cosmo}
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export COSMOS=${COSMOS:-/opt/cosmos}
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export ORIGINAL="$0 $*"
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export TMPDIR=${TMPDIR:-/tmp}
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export BUILDLOG=
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GCC_VERSION=11.2.0
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if [ "$1" = "--version" ]; then
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@ -150,8 +165,8 @@ if [ ! -d "$COSMO" ]; then
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fi
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if [ ! -d "$COSMOS" ] ||
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[ ! -x "$COSMO/o/$MODE/cosmopolitan.a" ] ||
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[ ! -x "$COSMO/o/$MODE_AARCH64/cosmopolitan.a" ]; then
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[ ! -f "$COSMO/o/$MODE/cosmopolitan.a" ] ||
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[ ! -f "$COSMO/o/$MODE_AARCH64/cosmopolitan.a" ]; then
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echo "$PROG: you need to run: $PROG --update" >&2
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exit 1
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fi
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@ -160,11 +175,10 @@ export FIXUPOBJ="$COSMO/o/$MODE/tool/build/fixupobj.com"
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TEMP_FILES=
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SAVE_TEMPS=0
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SAVE_TMPS=0
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Exit() {
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rc=${1:-$?}
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if [ $SAVE_TEMPS -eq 0 ] && [ $SAVE_TMPS -eq 0 ]; then
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if [ $SAVE_TEMPS -eq 0 ]; then
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rm -f $TEMP_FILES
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fi
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exit $rc
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@ -188,36 +202,39 @@ log_command() {
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if [ x"$TMPDIR" != x"${TMPDIR#* }" ]; then
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fatal_error '$TMPDIR containing spaces not supported'
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fi
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if [ ! -d "$TMPDIR" ]; then
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elif [ ! -d "$TMPDIR" ]; then
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if ! mkdir -p "$TMPDIR" 2>/dev/null; then
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fatal_error "$TMPDIR: not a directory"
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fi
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fi
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OPT=
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FILES=
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FIRST=1
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ARGS=
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FLAGS=
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OUTPUT=
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INTENT=ld
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NEED_JOIN=
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NEED_EQUAL=
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NEED_OUTPUT=
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APELINKFLAGS=
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FRAME=""
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INPUT_FILE_COUNT=0
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for x; do
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if [ $FIRST -eq 1 ]; then
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set --
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FIRST=0
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if [ x"$x" != x"${x#* }" ]; then
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fatal_error "arguments containing spaces unsupported: $x"
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fi
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if [ -n "$NEED_OUTPUT" ]; then
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NEED_OUTPUT=
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OUTPUT=$x
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continue
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fi
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if [ x"$x" = x"-" ] || # is an argument
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[ x"$x" = x"${x#-*}" ]; then # !startswith(x, "-")
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if [ x"$x" != x"${x#* }" ]; then
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fatal_error "input arguments containing spaces unsupported"
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elif [ x"$x" != x"${x%.s}" ] ||
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elif [ -n "$NEED_JOIN" ]; then
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x="${NEED_JOIN}${x}"
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NEED_JOIN=
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elif [ -n "$NEED_EQUAL" ]; then
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x="${NEED_EQUAL}=${x}"
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NEED_EQUAL=
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elif [ x"$x" = x"-" ] || # is alias for stdin
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[ x"$x" = x"${x#-*}" ]; then # !startswith(x, "-")
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if [ x"$x" != x"${x%.s}" ] ||
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[ x"$x" != x"${x%.S}" ]; then
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fatal_error "$x: assembler input files not supported"
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elif [ x"$x" != x"${x%.so}" ] ||
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@ -227,11 +244,8 @@ for x; do
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elif [ x"$x" != x"-" ] && [ ! -f "$x" ]; then
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fatal_error "$x: no such file"
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fi
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if [ -z "$FILES" ]; then
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FILES=$x
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else
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FILES="$FILES $x"
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fi
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INPUT_FILE_COUNT=$((INPUT_FILE_COUNT + 1))
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ARGS="$ARGS $x" # don't add to $FLAGS array
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continue
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elif [ x"$x" = x"-o" ]; then
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NEED_OUTPUT=1
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@ -252,19 +266,15 @@ for x; do
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exec 3<&2 # dup2(2, 3) b/c stderr will be redirected later
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export BUILDLOG=/dev/fd/3
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continue
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elif [ x"$x" = x"-x-save-tmps" ]; then
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SAVE_TMPS=1
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continue
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elif [ x"$x" = x"-save-temps" ]; then
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SAVE_TEMPS=1
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elif [ x"$x" = x"-fomit-frame-pointer" ]; then
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# Quoth Apple "The frame pointer register must always address a
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# Quoth Apple: "The frame pointer register must always address a
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# valid frame record. Some functions — such as leaf functions or
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# tail calls — may opt not to create an entry in this list. As a
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# result, stack traces are always meaningful, even without debug
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# information."
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set -- "$@" -momit-leaf-frame-pointer -foptimize-sibling-calls
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continue
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x="-momit-leaf-frame-pointer -foptimize-sibling-calls"
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elif [ x"$x" = x"-r" ] ||
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[ x"$x" = x"-S" ] ||
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[ x"$x" = x"-pie" ] ||
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@ -300,17 +310,35 @@ for x; do
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elif [ x"$x" = x"-dumpversion" ]; then
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echo $GCC_VERSION
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Exit 0
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elif [ x"$x" = x"-e" ] ||
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[ x"$x" = x"-z" ] ||
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[ x"$x" = x"-T" ] ||
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[ x"$x" = x"-L" ] ||
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[ x"$x" = x"-I" ] ||
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[ x"$x" = x"-D" ] ||
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[ x"$x" = x"-U" ] ||
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[ x"$x" = x"-iquote" ] ||
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[ x"$x" = x"-isystem" ] ||
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[ x"$x" = x"-include" ]; then
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NEED_JOIN=$x
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continue
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elif [ x"$x" = x"--param" ]; then
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NEED_EQUAL=$x
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continue
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fi
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set -- "$@" "$x"
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FLAGS="$FLAGS $x"
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ARGS="$ARGS $x"
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done
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if [ -z "$FILES" ]; then
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fatal_error "$x: no input files"
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elif [ $INTENT != ld ] && [ x"$FILES" != x"${FILES#* }" ]; then
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if [ $INPUT_FILE_COUNT -eq 0 ]; then
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fatal_error "no input files"
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elif [ -z "$INPUT" ] &&
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[ $INTENT != ld ] &&
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[ $INPUT_FILE_COUNT -gt 1 ]; then
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fatal_error "cannot specify '-o' with '-c', or '-E' with multiple files"
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fi
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PLATFORM="-D__COSMOPOLITAN__ -D__FATCOSMOCC__"
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PLATFORM="-D__COSMOPOLITAN__ -D__COSMOCC__ -D__FATCOSMOCC__"
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PREDEF="-include libc/integral/normalize.inc"
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CPPFLAGS="-nostdinc -iquote $COSMO -isystem $COSMOS/include -isystem $COSMO/libc/isystem -fno-pie -fno-math-errno"
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CCFLAGS_START="-fportcosmo -fno-dwarf2-cfi-asm -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-semantic-interposition"
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@ -325,7 +353,7 @@ fi
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if [ $INTENT = cpp ]; then
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if [ -n "$OUTPUT" ]; then
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set -- "$@" -o"$OUTPUT"
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ARGS="$ARGS -o$OUTPUT"
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fi
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CC="$COSMO/o/third_party/gcc/bin/x86_64-linux-musl-gcc"
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if [ x"$PROG" != x"${PROG%++}" ]; then
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@ -345,8 +373,7 @@ if [ $INTENT = cpp ]; then
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-mno-red-zone \
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$PLATFORM \
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$CPPFLAGS \
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"$@" \
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$FILES
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$ARGS
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log_command "$@"
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MODE="$MODE" exec "$@"
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fi
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@ -377,7 +404,7 @@ build_object() {
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TEMP_FILES="${TEMP_FILES} $out2"
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MODE="$MODE" \
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"$COSMO/tool/scripts/fat-x86_64" \
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-c -o"$OUTPUT_X86_64" \
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-o"$OUTPUT_X86_64" \
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$PLATFORM \
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$PREDEF \
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$CPPFLAGS \
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@ -387,7 +414,7 @@ build_object() {
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pid1=$!
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MODE="$MODE_AARCH64" \
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"$COSMO/tool/scripts/fat-aarch64" \
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-c -o"$OUTPUT_AARCH64" \
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-o"$OUTPUT_AARCH64" \
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$PLATFORM \
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$PREDEF \
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$CPPFLAGS \
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@ -409,43 +436,55 @@ build_object() {
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}
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# turn source files into objects
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OBJECTS_X86_64=
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OBJECTS_AARCH64=
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for x in $FILES; do
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if [ x"$x" != x"${x%.o}" ] ||
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[ x"$x" != x"${x%.a}" ]; then
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if [ $INTENT = cc ]; then
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show_warning "$x: linker input file unused because linking not done"
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else
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mangle_object_path "$x" aarch64
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if [ ! -f "$mangled_path" ]; then
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fatal_error "$x: linker input missing concomitant $mangled_path file"
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fi
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OBJECTS_X86_64="${OBJECTS_X86_64} $x"
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OBJECTS_AARCH64="${OBJECTS_AARCH64} $mangled_path"
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fi
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elif [ $INTENT = cc ]; then
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if [ -n "$OUTPUT" ]; then
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# e.g. `cc -c -o bar.o foo.c` is specified by user
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OUTPUT_X86_64=$OUTPUT
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mangle_object_path "$OUTPUT" aarch64
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OUTPUT_AARCH64="$mangled_path"
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build_object "$@" "$x"
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else
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# e.g. `cc -c foo.c` builds foo.o
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OUTPUT_X86_64="${x%.*}.o"
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mangle_object_path "${x%.*}.o" aarch64
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OUTPUT_AARCH64="$mangled_path"
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build_object "$@" "$x"
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fi
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LDARGS_X86_64=
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LDARGS_AARCH64=
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for x in $ARGS; do
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if [ x"$x" != x"-" ] && # is alias for stdin
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[ x"$x" != x"${x#-*}" ]; then # startswith(x, "-")
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# this argument is a flag
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LDARGS_X86_64="${LDARGS_X86_64} $x"
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LDARGS_AARCH64="${LDARGS_AARCH64} $x"
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else
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# e.g. `cc -o foo foo.c` should *not* build foo.o
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OUTPUT_X86_64=$(mktemper .o) || Exit
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OUTPUT_AARCH64=$(mktemper .o) || Exit
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TEMP_FILES="${TEMP_FILES} ${OUTPUT_X86_64} ${OUTPUT_AARCH64}"
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build_object "$@" "$x"
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OBJECTS_X86_64="${OBJECTS_X86_64} ${OUTPUT_X86_64}"
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OBJECTS_AARCH64="${OBJECTS_AARCH64} ${OUTPUT_AARCH64}"
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# this argument is an input file
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if [ x"$x" != x"${x%.o}" ] ||
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[ x"$x" != x"${x%.a}" ]; then
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if [ $INTENT = cc ]; then
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show_warning "$x: linker input file unused because linking not done"
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else
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mangle_object_path "$x" aarch64
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if [ ! -f "$mangled_path" ]; then
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fatal_error "$x: linker input missing concomitant $mangled_path file"
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fi
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LDARGS_X86_64="${LDARGS_X86_64} $x"
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LDARGS_AARCH64="${LDARGS_AARCH64} $mangled_path"
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fi
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elif [ $INTENT = cc ]; then
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if [ -n "$OUTPUT" ]; then
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# e.g. `cc -c -o bar.o foo.c` is specified by user
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OUTPUT_X86_64=$OUTPUT
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mangle_object_path "$OUTPUT" aarch64
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OUTPUT_AARCH64="$mangled_path"
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build_object $FLAGS -c "$x"
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else
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# e.g. `cc -c foo.c` builds foo.o
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OUTPUT_X86_64="${x%.*}.o"
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mangle_object_path "${x%.*}.o" aarch64
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OUTPUT_AARCH64="$mangled_path"
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build_object $FLAGS -c "$x"
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fi
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else
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# e.g. `cc foo.c` should build a.out
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if [ -z "$OUTPUT" ]; then
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OUTPUT=a.out
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fi
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# e.g. `cc -o foo foo.c` should *not* build foo.o
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OUTPUT_X86_64=$(mktemper .o) || Exit
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OUTPUT_AARCH64=$(mktemper .o) || Exit
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TEMP_FILES="${TEMP_FILES} ${OUTPUT_X86_64} ${OUTPUT_AARCH64}"
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build_object $FLAGS -c "$x"
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LDARGS_X86_64="${LDARGS_X86_64} ${OUTPUT_X86_64}"
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LDARGS_AARCH64="${LDARGS_AARCH64} ${OUTPUT_AARCH64}"
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fi
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fi
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done
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@ -459,10 +498,10 @@ OUTPUT_AARCH64="$OUTPUT.aarch64"
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out2=$(mktemper .txt) || Exit
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TEMP_FILES="${TEMP_FILES} $out2"
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MODE="$MODE" \
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"$COSMO/tool/scripts/fat-x86_64" -o"$OUTPUT_X86_64" "$@" $OBJECTS_X86_64 &
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"$COSMO/tool/scripts/fat-x86_64" -o"$OUTPUT_X86_64" $LDARGS_X86_64 &
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pid1=$!
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MODE="$MODE_AARCH64" \
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"$COSMO/tool/scripts/fat-aarch64" -o"$OUTPUT_AARCH64" "$@" $OBJECTS_AARCH64 2>"$out2" &
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"$COSMO/tool/scripts/fat-aarch64" -o"$OUTPUT_AARCH64" $LDARGS_AARCH64 2>"$out2" &
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pid2=$!
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if ! wait $pid1; then
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kill $pid2 2>/dev/null
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