mirror of
git://git.musl-libc.org/musl
synced 2025-03-04 02:37:30 +00:00
b768c7bc63
it was previously attempting to link start files as part of shared objects. this is definitely wrong and depending on the platform and linker could range from just adding extraneous junk to introducing textrels to making linking fail entirely.
61 lines
1.3 KiB
Bash
61 lines
1.3 KiB
Bash
#!/bin/sh
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printf '#!/bin/sh\n\nlibc_prefix="%s"\nldso_pathname="%s"\n' "$1" "$2"
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cat <<"EOF"
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gcc=gcc
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libc_lib=$libc_prefix/lib
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libc_inc=$libc_prefix/include
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libc_crt="$libc_lib/crt1.o"
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libc_start="$libc_lib/crti.o"
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libc_end="$libc_lib/crtn.o"
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gcc_inc=$libc_inc
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libgcc="$("$gcc" -print-file-name=libgcc.a)"
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libgcc=${libgcc%/libgcc.a}
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gccver=${libgcc##*/}
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gcctarget=${libgcc%/*}
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gcctarget=${gcctarget##*/}
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case "$gccver" in
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[0123].*|4.[01]*) ;;
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*) nosp=-fno-stack-protector ;;
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esac
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[ "x$1" = "x-V" ] && { printf "%s: -V not supported\n" "$0" ; exit 1 ; }
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for i ; do
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case "$skip$i" in
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-I|-L) skip=--- ; continue ;;
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-[cSE]|-M*) nolink=1 ;;
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-shared) nocrt=1 ;;
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-*) ;;
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*) havefile=1 ;;
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esac
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skip=
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done
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[ "$havefile" ] || nolink=1
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[ "$nolink" ] && nocrt=1
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[ "$nocrt" ] || set -- "$libc_start" "$libc_crt" "$@" "$libc_end" \
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[ "$nolink" ] || {
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tmp_specs=$HOME/.specs.tmp.$$
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printf '*link_libgcc:\n\n\n' > "$tmp_specs" || exit 1
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exec 3<"$tmp_specs"
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rm -f "$tmp_specs"
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set -- -specs=/proc/self/fd/3 "$@" \
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-Wl,--as-needed -Wl,--start-group -lc -lgcc -lgcc_eh -Wl,--end-group \
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-Wl,-dynamic-linker,"$ldso_pathname" -Wl,-nostdlib
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}
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set -- -std=gnu99 -nostdinc -nostdlib $nosp \
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-isystem "$libc_inc" -isystem "$gcc_inc" "$@" \
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-L"$libc_lib" -L"$libgcc"
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exec "$gcc" "$@"
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EOF
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