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https://github.com/ilyakooo0/nixpkgs.git
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96092dc936
Right now we add glibc to search path also -nostdinc was provided, which breaks projects providing their own gcc.
70 lines
2.5 KiB
Bash
70 lines
2.5 KiB
Bash
# N.B. It may be a surprise that the derivation-specific variables are exported,
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# since this is just sourced by the wrapped binaries---the end consumers. This
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# is because one wrapper binary may invoke another (e.g. cc invoking ld). In
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# that case, it is cheaper/better to not repeat this step and let the forked
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# wrapped binary just inherit the work of the forker's wrapper script.
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var_templates_list=(
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NIX_CFLAGS_COMPILE
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NIX_CFLAGS_COMPILE_BEFORE
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NIX_CFLAGS_LINK
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NIX_CXXSTDLIB_COMPILE
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NIX_CXXSTDLIB_LINK
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NIX_GNATFLAGS_COMPILE
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)
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var_templates_bool=(
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NIX_ENFORCE_NO_NATIVE
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)
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accumulateRoles
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# We need to mangle names for hygiene, but also take parameters/overrides
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# from the environment.
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for var in "${var_templates_list[@]}"; do
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mangleVarList "$var" ${role_suffixes[@]+"${role_suffixes[@]}"}
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done
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for var in "${var_templates_bool[@]}"; do
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mangleVarBool "$var" ${role_suffixes[@]+"${role_suffixes[@]}"}
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done
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# `-B@out@/bin' forces cc to use ld-wrapper.sh when calling ld.
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NIX_CFLAGS_COMPILE_@suffixSalt@="-B@out@/bin/ $NIX_CFLAGS_COMPILE_@suffixSalt@"
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# Export and assign separately in order that a failing $(..) will fail
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# the script.
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if [[ "$cInclude" = 1 ]] && [ -e @out@/nix-support/libc-cflags ]; then
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NIX_CFLAGS_COMPILE_@suffixSalt@="$(< @out@/nix-support/libc-cflags) $NIX_CFLAGS_COMPILE_@suffixSalt@"
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fi
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if [ -e @out@/nix-support/libc-crt1-cflags ]; then
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NIX_CFLAGS_COMPILE_@suffixSalt@="$(< @out@/nix-support/libc-crt1-cflags) $NIX_CFLAGS_COMPILE_@suffixSalt@"
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fi
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if [ -e @out@/nix-support/libcxx-cxxflags ]; then
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NIX_CXXSTDLIB_COMPILE_@suffixSalt@+=" $(< @out@/nix-support/libcxx-cxxflags)"
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fi
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if [ -e @out@/nix-support/libcxx-ldflags ]; then
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NIX_CXXSTDLIB_LINK_@suffixSalt@+=" $(< @out@/nix-support/libcxx-ldflags)"
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fi
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if [ -e @out@/nix-support/cc-cflags ]; then
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NIX_CFLAGS_COMPILE_@suffixSalt@="$(< @out@/nix-support/cc-cflags) $NIX_CFLAGS_COMPILE_@suffixSalt@"
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fi
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if [ -e @out@/nix-support/gnat-cflags ]; then
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NIX_GNATFLAGS_COMPILE_@suffixSalt@="$(< @out@/nix-support/gnat-cflags) $NIX_GNATFLAGS_COMPILE_@suffixSalt@"
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fi
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if [ -e @out@/nix-support/cc-ldflags ]; then
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NIX_LDFLAGS_@suffixSalt@+=" $(< @out@/nix-support/cc-ldflags)"
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fi
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if [ -e @out@/nix-support/cc-cflags-before ]; then
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NIX_CFLAGS_COMPILE_BEFORE_@suffixSalt@="$(< @out@/nix-support/cc-cflags-before) $NIX_CFLAGS_COMPILE_BEFORE_@suffixSalt@"
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fi
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# That way forked processes will not extend these environment variables again.
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export NIX_CC_WRAPPER_FLAGS_SET_@suffixSalt@=1
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