63 lines
1.8 KiB
Bash
Executable File
63 lines
1.8 KiB
Bash
Executable File
#! /bin/sh
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set -ex
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rm -f i686-unknown-linux-gnu-tcc
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# crt1=$(i686-unknown-linux-gnu-gcc --print-file-name=crt1.o)
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# crtdir=$(dirname $crt1)
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unset C_INCLUDE_PATH LIBRARY_PATH
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PREFIX=${PREFIX-usr}
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GUIX=${GUIX-$(command -v guix||:)}
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MES_PREFIX=${MES_PREFIX-../mes}
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MES_PREFIX=${MES_PREFIX-${MESCC%/*}/../share/mes}
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TINYCC_SEED=${TINYCC_SEED-../tinycc-seed}
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cp $TINYCC_SEED/x86-mes-gcc/crt1.o crt1.o
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cp $TINYCC_SEED/x86-mes-gcc/crti.o crti.o
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cp $TINYCC_SEED/x86-mes-gcc/crtn.o crtn.o
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CC=${CC-i686-unknown-linux-gnu-gcc}
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CFLAGS="
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-nostdinc
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-nostdlib
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-fno-builtin
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--include=$MES_PREFIX/lib/linux/x86-mes-gcc/crt1.c
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--include=$MES_PREFIX/lib/libc+tcc.c
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--include=$MES_PREFIX/lib/libtcc1.c
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-Wl,-Ttext-segment=0x1000000
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"
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if [ -z "$interpreter" -a -n "$GUIX" ]; then
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interpreter=$($GUIX environment --ad-hoc patchelf -- patchelf --print-interpreter $(guix build --system=i686-linux hello)/bin/hello)
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elif [ -x /lib/ld-linux.so.2 ]; then
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# legacy non-GuixSD support
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interpreter=/lib/ld-linux.so.2
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fi
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interpreter=${interpreter-interpreter}
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export interpreter
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mkdir -p $PREFIX/lib
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ABSPREFIX=$(cd $PREFIX && pwd)
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cp $TINYCC_SEED/x86-mes-gcc/libc+tcc.o $ABSPREFIX/lib
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cp $TINYCC_SEED/x86-mes-gcc/libtcc1.o $ABSPREFIX/lib
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$CC -g -o i686-unknown-linux-gnu-tcc\
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$CFLAGS\
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-I.\
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-I $MES_PREFIX/lib\
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-I $MES_PREFIX/include\
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-D 'CONFIG_TCCDIR="'$PREFIX'/lib/tcc"'\
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-D 'CONFIG_TCC_CRTPREFIX="'$PREFIX'/lib:{B}/lib:."'\
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-D 'CONFIG_TCC_ELFINTERP="'$interpreter'"'\
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-D 'CONFIG_TCC_LIBPATHS="'$ABSPREFIX'/lib:{B}/lib:."'\
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-D 'CONFIG_TCC_SYSINCLUDEPATHS="'$MES_PREFIX'/include:'$PREFIX'/include:{B}/include"'\
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-D CONFIG_USE_LIBGCC=1\
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-D 'TCC_LIBGCC="'$ABSPREFIX'/lib/libc.a"'\
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-D BOOTSTRAP=1\
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-D CONFIG_TCCBOOT=1\
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-D CONFIG_TCC_STATIC=1\
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-D CONFIG_USE_LIBGCC=1\
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-D ONE_SOURCE=1\
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-D TCC_MES_LIBC=1\
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-D TCC_TARGET_I386=1\
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tcc.c
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