mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-03-04 16:06:23 +00:00
d53c335a45
This new script is an alternative to the `cosmocc` command. It's still a work in progress. It abstracts all the gory details of building separate copies of your executable and then running the apelink.com program.
51 lines
1.5 KiB
Bash
Executable file
51 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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# arm64 backend compiler for fatcosmocc
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CC="$COSMO/o/third_party/gcc/bin/aarch64-linux-musl-gcc"
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CCFLAGS="-ffixed-x18 -ffixed-x28 -mno-outline-atomics"
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LDFLAGS="-static -nostdlib -no-pie -Wl,-z,norelro"
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APEFLAGS="-L$COSMOS/lib/.aarch64 -Wl,--gc-sections -Wl,-T,$COSMO/o/$MODE/ape/aarch64.lds $COSMO/o/$MODE/libc/crt/crt.o"
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LDLIBS="$COSMO/o/$MODE/cosmopolitan.a"
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if [ x"$PROG" != x"${PROG%++}" ]; then
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CC="$COSMO/o/third_party/gcc/bin/aarch64-linux-musl-g++"
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CCFLAGS="$CCFLAGS -fno-rtti -fno-exceptions -fuse-cxa-atexit -fno-threadsafe-statics"
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LDLIBS="$COSMO/o/$MODE/third_party/libcxx/libcxx.a $LDLIBS"
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fi
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OPT=
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FIRST=1
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OUTPUT=
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INTENT=ld
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for x; do
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if [ $FIRST -eq 1 ]; then
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set --
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FIRST=0
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fi
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if [ x"$x" != x"${x#-O}" ]; then
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OPT=$x
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elif [ x"$x" = x"-c" ]; then
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INTENT=cc
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elif [ x"$x" != x"${x#-o}" ]; then
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OUTPUT=${x#-o}
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elif [ x"$x" = x"-march=native" ]; then
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continue # doesn't make sense for a cross compiler
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fi
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set -- "$@" "$x"
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done
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if [ x"$OPT" != x"-Os" ] && [ x"${MODE#aarch64-tiny}" != x"${MODE}" ]; then
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# support --ftrace unless optimizing for size
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CCFLAGS="$CCFLAGS -fpatchable-function-entry=7,6"
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fi
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if [ $INTENT = cc ]; then
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set -- "$CC" $CCFLAGS "$@"
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else
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set -- "$CC" $CCFLAGS $LDFLAGS $APEFLAGS $CPPFLAGS "$@" \
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$LDLIBS -Wl,-z,common-page-size=16384 -Wl,-z,max-page-size=16384
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fi
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printf '# %s\n(cd %s; %s)\n' "$ORIGINAL" "$PWD" "$*" >>"${TMPDIR:-/tmp}/build.log"
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"$@" || exit
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"$FIXUPOBJ" "$OUTPUT" || exit
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