mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-12 09:17:53 +00:00
f554dd800e
It's now possible to compile Emacs using cosmocc. However we need to troubleshoot why it's event loop isn't working correctly at runtime.
98 lines
2.8 KiB
Bash
Executable file
98 lines
2.8 KiB
Bash
Executable file
#!/bin/sh
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# replacement for c++ command
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#
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# we assume you run the following beforehand
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#
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# sudo chmod 1777 /opt
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# cd /opt
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# git clone https://github.com/jart/cosmopolitan cosmo
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# cd cosmo
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# make -j
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#
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# you can then use it to build open source projects, e.g.
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#
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# export CC=cosmocc
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# export CXX=cosmoc++
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# export LD=cosmoc++
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# ./configure --prefix=/opt/cosmos
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# make -j
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# make install
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#
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if [ "$1" = "--version" ]; then
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cat <<'EOF'
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x86_64-unknown-cosmo-g++ (GCC) 11.2.0
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Copyright (C) 2019 Free Software Foundation, Inc.
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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EOF
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exit 0
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fi
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CXX="/opt/cosmo/o/third_party/gcc/bin/x86_64-linux-musl-g++"
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CCFLAGS="-g -fdata-sections -ffunction-sections -fno-pie -pg -mnop-mcount -mno-tls-direct-seg-refs -fportcosmo -include /opt/cosmo/build/portcosmo.h"
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CXXFLAGS="-fno-exceptions -fuse-cxa-atexit -fno-threadsafe-statics"
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CPPFLAGS="-DNDEBUG -nostdinc -iquote /opt/cosmo -isystem /opt/cosmos/include -isystem /opt/cosmo/libc/isystem -include libc/integral/normalize.inc"
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LDFLAGS="-static -no-pie -nostdlib -fuse-ld=bfd -Wl,-melf_x86_64 -Wl,--gc-sections -L/opt/cosmos/lib -Wl,-T,/opt/cosmo/o/ape/public/ape.lds /opt/cosmo/o/ape/ape-no-modify-self.o /opt/cosmo/o/libc/crt/crt.o"
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LDLIBS="/opt/cosmo/o/third_party/libcxx/libcxx.a /opt/cosmo/o/cosmopolitan.a"
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if [ ! -d $COSMO ]; then
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echo you need to checkout cosmopolitan to your $COSMO directory >&2
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exit 1
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fi
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if [ ! -d $COSMOS ]; then
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echo you need to create your $COSMOS directory >&2
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exit 1
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fi
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# auto-install some shell libraries
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if [ ! -d $COSMOS/lib ]; then
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mkdir $COSMOS/lib
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for lib in c dl gcc_s m pthread resolv rt z stdc++; do
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printf '\041\074\141\162\143\150\076\012' >$COSMOS/lib/lib$lib.a
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done
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fi
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HAS_C=0
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HAS_O=0
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HAS_E=0
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FIRST=1
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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" = "-Werror" ]; then
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# this toolchain is intended for building other people's code
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# elevating warnings into errors, should only be done by devs
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continue
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fi
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if [ "$x" = "-pedantic" ]; then
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# this toolchain is intended for building other people's code
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# we don't need the compiler's assistance to be more portable
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continue
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fi
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if [ "$x" = "-c" ]; then
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HAS_C=1
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fi
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if [ "$x" = "-E" ]; then
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HAS_E=1
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fi
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if [ "$x" = "-o" ] || [ "${x#-o}" != "$x" ]; then
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HAS_O=1
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fi
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set -- "$@" "$x"
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done
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if [ "$HAS_E" = "1" ]; then
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set -- $CCFLAGS $CPPFLAGS "$@"
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elif [ "$HAS_C" = "1" ]; then
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set -- $CCFLAGS $CXXFLAGS $CPPFLAGS "$@" -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
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else
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set -- $LDFLAGS $CXXFLAGS $CPPFLAGS "$@" $LDLIBS -Wl,-z,common-page-size=65536 -Wl,-z,max-page-size=65536
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fi
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set -- "$CXX" "$@"
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printf '(cd %s; %s)\n' "$PWD" "$*" >>/tmp/build.log
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exec "$@"
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